You should read the following management's discussion and analysis of financial condition and results of operations in conjunction with our consolidated financial statements and notes thereto included in Part II, Item 8 of this Annual Report on Form 10-K. This discussion and analysis and other parts of this report contain forward-looking statements based upon current beliefs, plans and expectations related to future events and our future financial performance that involve risks, uncertainties and assumptions, such as statements regarding our intentions, plans, objectives, expectations, forecasts and projections. Our actual results and the timing of selected events could differ materially from those anticipated in these forward-looking statements as a result of several factors, including those set forth under the section of this Annual Report on Form 10-K titled "Risk Factors" and elsewhere in this report. You should carefully read the "Risk Factors" to gain an understanding of the important factors that could cause actual results to differ materially from our forward-looking statements. Please also see the section of this report titled "Special Note Regarding Forward-Looking Statements."

Overview

We are a commercial-stage biopharmaceutical company with a mission to develop transformative therapies for people suffering from diseases with high unmet medical needs, with an initial focus on diseases of the central nervous system, or CNS. Our company was founded on the premise that the upper nasal space can be an optimal treatment entry point for CNS and other diseases where rapid vascular absorption can result in superior clinical outcomes. Our strategy is to pair our proprietary Precision Olfactory Delivery, or POD, upper nasal delivery technology with well-established therapeutics or other therapeutics where rapid vascular absorption is preferred to drive therapeutic benefit, improve patient outcomes, reduce drug development risk and expand the commercial opportunity within our target diseases. On September 2, 2021 Trudhesa was approved by the U.S. Food and Drug Administration, or FDA, for the acute treatment of migraine headaches with or without aura in adult patients.

We have retained all development and commercial rights to Trudhesa. Given the concentrated prescriber base of our target market for Trudhesa, we independently launched in October 2021. Trudhesa was launched with an initial sales force of 60 representatives and expanded to approximately 90 representatives in Q3 2022 to support our targeted launch strategy. The sales team is supported by an established market access, medical affairs, marketing, and operations infrastructure. Our commercial efforts are focused on approximately 11,000 high value HCP targets that prescribe approximately 40% of all migraine TRx and 73% of all acute branded total prescriptions. Importantly, we have secured managed care contracts providing access to Trudhesa for greater than 80% of commercial lives in the United States. We have deployed a robust sample program to ensure trial with Trudhesa for patients seeking better treatments and outcomes. Through both our commercial and medical affairs infrastructure we have engaged healthcare practitioners and patients, partnered with national associations and actively supported advocacy groups in the migraine market. These efforts have been, and will continue to be, supplemented with non-personal promotion to all targeted and non-targeted medium value physicians. To capture the maximum commercial opportunity of Trudhesa, we may also selectively seek partners to commercialize the product outside of our target markets, including additional penetration within the broader primary care setting, as well as in geographies outside of the United States. Through December 31, 2022, there have been approximately 62,600 prescriptions of Trudhesa generated since launch and, based on third-party data, we believe Trudhesa accounts for approximately 4.3% of total branded acute migraine prescriptions among over 2,400 unique Trudhesa prescribers since launch. Additionally, based on internal data, approximately 63% of new Trudhesa patients eligible for a refill have received a second prescription.

On February 22, 2023, we announced plans to reduce our workforce by approximately 16% and expect to incur a charge of approximately $1.5 million primarily consisting of severance costs, employee-related benefits, supplemental one-time termination payments, and asset write-downs in the first quarter of 2023. We plan to reprioritize spend to capitalize on the continued positive momentum in payor and prescriber uptake of Trudhesa and will halt research and development efforts on our prior product candidate INP105 to address acute agitation and aggression in autism spectrum disorder.



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Prior to February 2023, we had built out an internal research and development team and also used third-party contract research organizations, or CROs, to carry out preclinical and clinical development. We rely on third-party contract manufacturing organizations, or CMOs, to manufacture and supply our clinical materials to be used during the development of any future product candidates. These CMOs are currently manufacturing commercial stage POD devices for Trudhesa, which we also used for our Phase 1 clinical trial, our registration lots and our STOP301 trial.

Through December 31, 2022, we have funded our operations primarily through proceeds from the sale of equity securities, including proceeds from the sale and issuance of common stock, proceeds pursuant to the Revenue Interest Financing Agreement, or our deferred royalty obligation, redeemable convertible preferred stock, warrants, debt and convertible notes. We have incurred significant operating losses to date. Our net losses were $106.3 million and $76.7 million for the years ended December 31, 2022 and 2021, respectively. As of December 31, 2022, we had an accumulated deficit of $321.1 million and a cash balance of $60.7 million.

Recent Developments

Recovery of Drug Application Fee

In November 2020, we paid the FDA an application fee of $2.9 million for a new drug application related to Trudhesa. We had previously requested a small business waiver for the application fee, which was denied by the FDA. We requested that the FDA reconsider the waiver request and in October 2022, upon further review the FDA granted us the waiver request. As a result we received a refund of the full $2.9 million fee from the FDA in the fourth quarter of 2022.

Open Market Sales Agreement

In May 2022, we entered into a sales agreement with Cowen and Company, LLC, as a sales agent, pursuant to which we may offer and sell shares of our common stock, from time to time, up to an aggregate amount of gross sales proceeds of $ 50.0 million through an at-the-market ("ATM") Program ("2022 ATM Program"), under the 2022 Shelf Registration Statement. As of December 31, 2022, we sold 542,500 shares of common stock at a weighted-average price per share of $9.25 pursuant to the 2022 ATM Program and received proceeds of approximately $4.3 million, net of commissions and fees.

Oaktree Financing and Revenue Interest Financing

On March 17, 2022, we entered into a senior secured loan agreement and related security agreements or the Senior Credit Agreement with Oaktree Fund Administration, LLC as administrative agent, and the lenders party thereto, or collectively Oaktree, under which we borrowed $50.0 million less transactions costs (see Liquidity and Capital Resources - Recent Debt Financings).

Concurrently on March 17, 2022, we entered into a Revenue Interest Financing Agreement or RIF with certain purchasers party thereto, collectively the Purchasers, and Oaktree Fund Administration, LLC as administrative agent, pursuant to which we sold to the Purchasers the right to receive payments from us at a tiered percentage, or the Applicable Tiered Percentage, of future net revenues of Trudhesa, including worldwide net product sales and upfront payments, and milestones, together the Revenue Interests (see Liquidity and Capital Resources - Recent Debt Financings).

The inclusion of a going concern explanatory paragraph in the report of our independent registered public accounting firm on our accompanying financial statements for the fiscal year ended December 31, 2022 has resulted in a violation of certain covenants under Senior Credit Agreement with Oaktree. On March 22, 2023, we entered into a letter agreement (the "Oaktree Letter Agreement") in connection with our Senior Credit Agreement, to obtain a waiver from Oaktree of any default or event of default arising from such going concern explanatory paragraph included in the report of its Independent Registered Public Accounting Firm on its audited consolidated financial statements for the year ended December 31, 2022.



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Financial Operations Overview

Product Revenues, Net

We began to recognize revenue from product sales, net of discounts and other adjustments, in September of 2021 in conjunction with the launch of Trudhesa. We will continue to evaluate trends related to revenue momentum for Trudhesa. At launch we implemented our "bridge and co-pay savings" program which we believe provides an affordability solution for patients that enables higher physician prescribing. The program only provides assistance to commercially insured patients. Our data suggests these programs are playing an important role in supporting demand for Trudhesa.

Cost of Goods Sold

Cost of goods sold includes direct and indirect costs related to the manufacturing and distribution of Trudhesa, including third-party manufacturing costs, packaging services, and freight-in.

Operating Expenses

Research and Development

Research and development costs are expensed as incurred. Research and development expenses consist primarily of salaries, benefits and other staff-related costs, including associated stock-based compensation, laboratory supplies, nonclinical and clinical studies and trials, manufacturing, costs for any future product candidates and POD devices to support our studies and trials, to design new versions of PODs, vendor validation and quality control preparation and fees paid to other entities that conduct certain research and development activities on our behalf. We consider regulatory approval of any future product candidates to be uncertain, and product manufactured prior to regulatory approval may not be sold unless regulatory approval is obtained. We expense manufacturing costs as incurred to research and development expense for any future product candidates prior to regulatory approval. If, and when, regulatory approval of a product is obtained, we begin to capitalize manufacturing costs related to the approved product into inventory.

We accrue for costs incurred as the services are being provided by monitoring the status of the trial or project and the invoices received from our external service providers. Nonrefundable advance payments for goods or services to be received in future periods for use in research and development activities are deferred and capitalized. The capitalized amounts are then expensed as the related goods are delivered and the services are performed. In addition, we account for fully refundable research and development tax credits, based on 43.5% of qualified research and development expenditures of our Australian subsidiary, as an offset to research and development expenses.

Prior to our strategic reprioritization in February 2023, we tracked our direct costs by product candidate, but we do not allocate overhead costs or certain external costs because they support multiple future product candidates. In particular, with respect to internal costs, several of our departments support multiple future product candidate research and development programs, and we do not allocate those costs by product candidate.

Selling, General and Administrative

Our selling, general and administrative expenses consist primarily of employee-related expenses, including salaries, benefits, travel and stock-based compensation for our personnel in executive, finance and accounting, human resources, and other administrative functions, as well as fees paid for accounting, legal and tax services, consulting fees and facilities costs not otherwise included in research and development expenses. With the approval of Trudhesa in September 2021, we expect our selling and marketing costs will continue to remain significant as we continue to support our commercial activities associated Trudhesa. We incur additional expenses associated with operating as a public company, including increased expenses related to audit, legal, regulatory, and tax-related services associated with maintaining compliance with the rules and regulations of the SEC and standards applicable to companies listed on a national securities exchange, additional insurance expenses, investor relations activities and other administrative and professional services.


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Other (Expense) Income, Net

Other (expense) income, net, consists of interest earned on our cash, interest expense on our borrowings, and changes in the fair value of our stock warrant liabilities, derivatives, redeemable convertible preferred stock warrant liabilities and convertible notes, and loss on extinguishment of debt.

Consolidated Results of Operations

Comparison of the Years Ended December 31, 2022 and 2021



The following tables summarize our results of operations for the periods
presented.

                                                   Year Ended December 31,
                                                    2022              2021          Change
                                                       (in thousands)
Product revenue, net                            $      12,652      $      668     $   11,984
Cost of goods sold                                      6,495             691          5,804
Gross profit (loss)                                     6,157             (23 )        6,180
Operating expenses:
Research and development                               11,456          20,563         (9,107 )
Selling, general and administrative                    77,885          50,900         26,985
Total operating expenses                               89,341          71,463         17,878
Loss from operations                                  (83,184 )       (71,486 )      (11,698 )
Other (expense) income, net                           (23,128 )        (5,048 )      (18,080 )
Loss before income taxes                             (106,312 )       (76,534 )      (29,778 )
Provision for income taxes                                  -               2             (2 )
Net loss and comprehensive loss                      (106,312 )       (76,536 )      (29,776 )
Accretion on redeemable convertible preferred
stock                                                       -            (129 )          129

Net loss attributable to common stockholders $ (106,312 ) $ (76,665 ) $ (29,647 )

Product revenue, net

We recorded net product revenue in 2021 following FDA approval of Trudhesa in September 2021. We commenced shipments of Trudhesa during September 2021 and fully launched with a deployed sales force in October 2021. Net product revenue was $12.7 million for the year ended December 31, 2022, compared to $0.7 million for the year ended December 31, 2021. The increase of $12.0 million in net product revenues was due to both increased Trudhesa sales volumes as a result of full year of Trudhesa sales in 2022 and improvements in net price realization. Sales allowances and accruals recorded as an offset to product revenue mostly consisted of the bridge and co-pay savings program discounts, managed care rebates and distribution fees.

Cost of goods sold

Cost of goods sold of $6.5 million for the year ended December 31, 2022 compared to $0.7 million for the year ended December 31, 2021. The increase of $5.8 million was due to the increased product sales of Trudhesa in 2022 and reflects costs related to manufacturing, conversion and packing costs, in addition to certain overhead costs related to the cost of Trudhesa products sold. Inventory amounts written down to net realizable value as a result of obsolescence, scrap or other reasons charged to cost of goods sold totaled $0.1 million and $0.2 million for the year ended December 31, 2022 and 2021, respectively.

Prior to receiving FDA approval for Trudhesa in September 2021, we recorded all costs incurred in the manufacture of Trudhesa to be sold upon commercialization as research and development expense. As a result, a portion of the manufacturing costs related to the Trudhesa build-up incurred before FDA approval were already expensed in a prior period, referred to as zero cost inventories, and are therefore excluded from the cost of goods sold in the year ended December 31, 2022 and 2021. We sold all remaining zero cost inventories in 2022.


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Research and Development

Research and development expenses were $11.5 million for the year ended December 31, 2022, compared to $20.6 million for the year ended December 31, 2021. The decrease of $9.1 million was primarily due to Trudhesa related costs, including personnel costs which were expensed as research and development rather than commercial costs prior to FDA approval in September 2021, and a refund under the small business waiver provision from the FDA in the amount of $2.9 million related to PDUFA fees paid in 2020 associated with the Trudhesa application. These costs were partially offset by an increase related to the clinical trial of our prior product candidate, INP105 in the year ended December 31, 2022 compared to the same period in 2021. As noted above, we halted research and development efforts on INP105 in February 2023.

The following table summarizes the period-over-period change in research and development expenses by historical product candidate for the periods indicated:



                                            Year Ended December 31,
                                              2022             2021         Change
                                                 (in thousands)
Program-specific costs:
Trudhesa                                  $       (454 )     $   7,785     $ (8,239 )
INP105                                           3,202           2,728          474
Other programs                                       8              28          (20 )
Total program-specific costs                     2,756          10,541       (7,785 )
Non program-specific costs:
Personnel-related                         $      8,033       $   9,686     $ (1,653 )
Internal, overhead and other expenses              667             336          331
Total non program-specific costs                 8,700          10,022       (1,322 )

Total research and development expenses $ 11,456 $ 20,563 $ (9,107 )

Selling, General and Administrative

Selling, general and administrative expenses were $77.9 million in 2022, compared to $50.9 million in 2021. The increase of $27.0 million was primarily due to increases in spending to support commercial sales of Trudhesa. Commercial operations and sales related expenses increased $23.0 million to $40.0 million in 2022 compared to 2021 due to the timing and expansion of the sales force, partially offset by decreased marketing costs. Administrative expenses increased $3.3 million to $17.1 million in 2022 compared to 2021 primarily due to increased insurance, personnel, facilities and professional fees. Non-cash share-based compensation expense was $4.4 million for 2022, an increase of $1.9 million compared to the same period in 2021.

Other (Expense) Income, Net

Other (expense) income, net was an expense of $22.4 million for the year ended December 31, 2022, compared to expense of $5.0 million for the year ended December 31, 2021. The increase in expense of $17.3 million was primarily due to (i) an increase in the fair value of our RIF and Term Loan derivatives of $8.9 million related to changes in (a) the amount and timing of future royalty payments and (b) expectations of timing and probability of occurrence of a change in control and event of default, (ii) an increase in net interest expense of $8.3 million related to our borrowings under the RIF, Oaktree term loan and the Oxford and Silicon Valley Bank (SVB) Term Loan, and (iii) an increase of $1.3 million for the loss on early extinguishment. These increases were partially offset by a decrease in fair value adjustments of $1.2 million related to the 2021 convertible promissory notes and the common stock warrants.

Liquidity and Capital Resources

Sources of Liquidity



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Since our inception, we have incurred significant operating losses and negative cash flows from our operations. Through December 31, 2022, we have funded our operations primarily through the issuance of common stock, proceeds pursuant to the RIF, convertible promissory notes, redeemable convertible preferred stock, debt, and warrants with aggregate proceeds of $397.8 million. As of December 31, 2022, we had available cash and cash equivalents of $60.7 million and an accumulated deficit of $321.1 million.

We have an effective shelf registration statement on Form S-3 filed with the SEC in May 2022, or the 2022 Shelf Registration, pursuant to which we registered for sale up to $200 million of any combination of our common stock, preferred stock, debt securities, warrants, subscription rights and/or units from time to time and at prices and on terms that we may determine. In May 2022, we entered into a sales agreement with Cowen and Company, LLC, as a sales agent, pursuant to which we may offer and sell shares of our common stock, from time to time, up to an aggregate amount of gross sales proceeds of $50.0 million through an at-the-market program, or the 2022 ATM program under the 2022 Shelf Registration. In July 2022, we sold 542,500 shares of common stock at a weighted-average price per share of $9.25 pursuant to the 2022 ATM Program and received proceeds of approximately $4.5 million, net of commissions and fees.

Based upon our current operating plan, we estimate that our cash and cash equivalents as of December 31, 2022, are insufficient for us to fund operating, investing, and financing cash flow needs for twelve months subsequent to the issuance date of the financial statements included in this Annual Report on Form 10-K and accordingly, we have determined that there is substantial doubt about our ability to continue as a going concern.

Our loan agreement with Oaktree includes covenants requiring us to provide an audit opinion on our annual financial statements that is not subject to any "going concern" or like qualification or exception. On March 22, 2023, we entered into the Oaktree Letter Agreement in connection with our Senior Credit Agreement, to obtain a waiver from Oaktree of any default or event of default arising from the going concern explanatory paragraph included in the report of its Independent Registered Public Accounting Firm on its audited consolidated financial statements for the year ended December 31, 2022. The Senior Credit Agreement also requires us to maintain a minimum $12.5 million unrestricted cash balance at all times. We plan to address this condition through raising additional equity financings, or through other capital sources, including collaborations with other companies or other strategic transactions. To the extent that we may need to raise additional funds by issuing equity securities, our stockholders may experience significant dilution. If sufficient funds on acceptable terms are not available when needed, we could be required to reduce operating expenses and reduce the scope of our commercialization plans for Trudhesa. Failure to manage discretionary spending or raise additional financing, may adversely impact our ability to achieve our intended business objectives. Our consolidated financial statements as of and for the year ended December 31, 2022 do not include any adjustments that might result from the unfavorable outcome of this uncertainty.

Recent Debt Financings

Oaktree Facility

On March 17, 2022, or the Closing Date, we entered into a senior secured loan agreement and related security agreements or the Senior Credit Agreement with Oaktree Fund Administration, LLC as administrative agent, and the lenders party thereto, or collectively Oaktree, under which we borrowed $50.0 million. The term loan has a maturity date of March 17, 2027, initially bearing interest at the Secured Overnight Financing Rate, or SOFR, + 8.75% (with a SOFR floor of 1.00%). Once Trudhesa achieves at least $125.0 million in net sales, interest will step down to SOFR + 8.00% (with a SOFR floor of 1.00%).

We are required to make quarterly interest-only payments until the fourth anniversary of the Closing Date, after which we are required to make quarterly amortizing payments, with the remaining balance of the principal plus accrued and unpaid interest due at maturity. Prepayments of the loan, in whole or in part, will subject to early prepayment fee which declines each year until the fourth anniversary date of the Closing Date, after which no prepayment fee is required. We are


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also required to pay an exit fee upon any payment or prepayment equal to 2.0% of the aggregate principal amount of the loans funded under the Senior Credit Agreement. The Senior Credit Agreement contains customary representations, warranties and events of default. If we default under our Senior Credit Agreement, the lenders may accelerate all of our repayment obligations and take control of our pledged assets. The lenders could declare us in default under its debt obligation upon the occurrence of any event that the lenders interpret as having a material adverse effect as defined under the Senior Credit Agreement and the Revenue Interest Financing Agreement, thereby requiring us to repay the loans immediately or to attempt to reverse the lenders' declaration through negotiation or litigation. Among other loan covenant requirements, the Senior Credit Agreement also requires us to provide an audit opinion of our annual financial statements not subject to any "going concern" or like qualification or exception or explanatory paragraph of going concern footnote, however, any such audit report shall not be considered qualified due to the inclusion of an explanatory paragraph paragraph in the audit opinion based on the impending maturity date of any indebtedness within twelve months from the date of issuance of these financial statements, the prospective breach of any financial covenant hereunder or liquidity issues due to ordinary course liabilities. On March 22, 2023, we entered into the Oaktree Letter Agreement in connection with our Senior Credit Agreement, to obtain a waiver from Oaktree of any default or event of default arising from the going concern explanatory paragraph included in the report of its Independent Registered Public Accounting Firm on its audited consolidated financial statements for the year ended December 31, 2022. We are subject to a minimum liquidity requirement of $12.5 million unrestricted cash balance at all times.

A portion of the loan proceeds were used to repay in full the $32.9 million aggregate principal amount (including the prepayment fee and final payment fee) of loans outstanding owed to Oxford Finance LLC, or Oxford and Silicon Valley Bank, or SVB by the Company and as a result we recorded a $3.3 million loss on early extinguishment debt charge in 2022.

Revenue Interest Financing Agreement

On March 17, 2022 or the Effective Date, we entered into a Revenue Interest Financing Agreement, or RIF, with certain purchasers party thereto, collectively the Purchasers, and Oaktree Fund Administration, LLC as administrative agent, in such capacity, the RIF Agent, pursuant to which we sold to the Purchasers the right to receive payments from us at a tiered percentage, or the Applicable Tiered Percentage, of future net revenues of Trudhesa, including worldwide net product sales and upfront payments, and milestones, collectively, the Revenue Interests. Under the terms of the agreement, we received $50.0 million, the Investment Amount, less certain transaction expenses in exchange for tiered royalty payments on worldwide net sales from Trudhesa, as follows: 7.75% on annual United States net sales up to $150.0 million; 4.75% on annual United States net sales between $150 million and $300 million; 0.75% on annual United States net sales greater than $300.0 million; and 10% of any upfront payments, milestone payments and royalties received by us from licensing or partnerships relating to Trudhesa outside the United States.

The Purchaser's rights to receive the Revenue Interests shall terminate on the date on which the Purchasers have received payments equal to 175% of the funded portion of the Investment Amount including the aggregate of all payments made to the Purchasers as of such date, unless the RIF is earlier terminated. If the Purchasers have not received payments equal to the 175% of the funded portion of the Investment Amount by the nine-year anniversary of the initial closing date, among other things, we shall pay the Purchasers an amount equal to the funded portion of the Investment Amount plus a specific annual rate of return less payments previously received.

Under the RIF, we have an option, or the Call Option, to repurchase future Revenue Interests at any time until the third anniversary of the Closing Date upon advance written notice. Additionally, the Purchasers have an option, or the Put Option, to terminate the RIF and to require us to repurchase future Revenue Interests upon enumerated events such as a bankruptcy event, a material adverse effect including an event of default under the Senior Credit Agreement (such as a breach of the minimum liquidity covenant) or a change of control. If the Put Option or the Call Option are exercised, the required repurchase price is an amount equal to (i) as of any date before the one-year anniversary of the Effective Date, an amount equal to (a) 1.25 multiplied by (b) the Investment Amount, (ii) as of any date on or after the one-year anniversary of the Closing Date and before the two-year anniversary of the Closing Date, an amount equal to (a) 1.40 multiplied by (b) the


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Investment Amount, (iii) as of any date on or after the two-year anniversary of the Closing Date and before the three-year anniversary of the Closing Date, an amount equal to (a) 1.55 multiplied by (b) the Investment Amount, and (iv) as of any date on or after the three-year anniversary of the Closing Date, an amount equal to (a) 1.75 multiplied by (b) the Investment Amount, in each case net of the sum of any payments received by the Purchasers prior to such Put Option Closing Date or Call Option Closing Date, as applicable.

If the Purchasers have not received 100% of the Investment Amount by February 15, 2027, the first tier royalty rate will be subject to an increase from 7.75% to 10.75%. The Company's obligations under the RIF are secured, subject to customary permitted liens and other agreed upon exceptions and subject to an intercreditor agreement with Oaktree Fund Administration, LLC, as administrative agent for the lenders under the Senior Credit Agreement, by a perfected security interest in (i) accounts receivable arising from net sales of Trudhesa and (ii) intellectual property that is claiming or covering Trudhesa, or any method of using, making or manufacturing Trudhesa, including regulatory approvals, clinical data and all other Trudhesa assets.



Cash Flows

                                            Year Ended December 31,
                                              2022             2021
                                                 (in thousands)

Net cash provided by (used in): Cash used in operating activities $ (93,642 ) $ (66,364 ) Cash used in investing activities

               (1,377 )          (408 )
Cash provided by financing activities           67,461         147,889
Net increase (decrease) in cash           $    (27,558 )     $  81,117

Cash Flows From Operating Activities

For 2022, cash used in operating activities was $93.6 million, which consisted of a net loss of $106.3 million and an increase of $13.0 million in net current assets partially offset by $25.7 million in non-cash charges. The $13.0 million net cash outflow related to changes in our net current assets and was attributed to an increase in accounts receivables, inventories, operating leases and prepaid expenses and other current assets of $14.9 million offset by an increase in accrued liabilities of $1.9 million due primarily to an increase in the level of selling, general and administrative expenses. The non-cash charges primarily consisted of a change in the fair value of our derivative liabilities, stock-based compensation, depreciation and amortization, loss on early extinguishment of debt, amortization of debt discount, inventory write-downs to net realizable value, and a change in the fair value of our warrant liabilities.

For 2021, cash used in operating activities was $66.4 million, which consisted of a net loss of $76.5 million partially offset by a decrease of $2.2 million in net current assets and by $8.1 million in non-cash charges. The $2.2 million net cash inflow related to changes in our net current assets and was attributed to an increase in inventories, accounts receivables and prepaid expenses and other current assets of $5.5 million offset by an increase in accounts payable and accrued liabilities of $7.7 million due primarily to an increase in the level of selling, general and administrative expenses. The non-cash charges primarily consisted of stock-based compensation, depreciation and amortization, loss on early extinguishment of debt, amortization of debt discount, inventory write-downs to net realizable value, a change in the fair value of convertible notes, and a change in the fair value of our warrant liabilities.

Cash Flows From Investing Activities

For 2022 and 2021, cash used in investing activities of $1.4 million and $0.4 million, respectively, was related to purchases of property and equipment.

Cash Flows From Financing Activities



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For 2022, cash provided by financing activities was $67.5 million, consisting primarily of net proceeds received from the Oaktree Financing and Revenue Interest Financing resulting in proceeds of $95.9 million, net of debt issuance costs and discount and proceeds of $4.3 million from the issuance of common stock under the 2022 ATM Program partially offset by the repayment of the Oxford and Silicon Valley Bank loan of $32.9 million including the final payment and prepayment fee.

For 2021, cash provided by financing activities was $147.9 million, consisting primarily of net proceeds received from our IPO of $72.0 million and follow-on offering of $48.3 million net of issuance costs, net proceeds of $19.1 million under the Loan Agreement, proceeds of $7.5 million from the issuance of convertible notes and to a lesser extent from exercises of stock options and exercise of redeemable convertible preferred stock warrants.

Funding Requirements

We use our cash to fund operating expenses, including research and development expenditures and commercialization expenses for Trudhesa. We incur significant commercialization expenses for product sales, marketing and outsourced manufacturing with respect to Trudhesa. On February 22, 2023, we announced plans to reduce our workforce by approximately 16%. These actions reflect our determination to reprioritize spend to capitalize on the continued positive momentum in payor and prescriber uptake of Trudhesa and as a result we will halt research and development efforts on INP105 to address acute agitation and aggression in autism spectrum disorder. We expect to record restructuring charges of approximately $1.5 million in the aggregate primarily consisting of severance costs, employee-related benefits, supplemental one-time termination payments, and asset write-downs in the first quarter of 2023.

Even in light of the reduction in workforce, we expect to continue to incur significant expenses and operating losses for the foreseeable future. As a result, until such time, if ever, as we can generate substantial product revenue, we expect to finance our cash needs primarily through equity financings.

The timing and amount of our operating expenditures will depend largely on:

the costs and timing of commercialization activities, including product manufacturing, marketing, sales and distribution for Trudhesa, or any future product candidates for which we receive marketing approval;

the number and development requirements of any future product candidates that we may pursue;

the costs associated with building out our operations;

the revenue, if any, received from commercial sales of any future product candidates for which we receive marketing approval;

our ability to establish strategic collaborations;

the costs and timing of preparing, filing and prosecuting patent applications, maintaining and enforcing our intellectual property rights and defending any intellectual property-related claims;

the risk/benefit profile, cost and reimbursement policies with respect to any future product candidates, if approved, and existing and potential future therapies that compete with any future product candidates; and

the costs associated with being a public company.

If we do raise additional capital through public or private equity offerings, the ownership interest of our existing stockholders will be diluted, and the terms of these securities may include liquidation or other preferences that adversely affect our stockholders' rights.

Critical Accounting Policies, Significant Judgments and Use of Estimates

Our management's discussion and analysis of our financial condition and consolidated results of operations is based on our consolidated financial statements, which have been prepared in accordance with U.S. generally accepted


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accounting principles, or GAAP. The preparation of these consolidated financial statements requires us to make estimates and assumptions that affect the reported amounts of assets and liabilities and the disclosure of contingent assets and liabilities at the date of the consolidated financial statements, as well as the reported revenue generated, and reported expenses incurred during the reporting periods. Our estimates are based on our historical experience and on various other factors that we believe are reasonable under the circumstances, the results of which form the basis for making judgments about the carrying value of assets and liabilities that are not readily apparent from other sources. Our actual results may differ from these estimates under different assumptions or conditions. While our significant accounting policies are described in more detail in Note 2 "Summary of Significant Accounting Policies" in the notes to our financial statements, we believe that the following accounting policies are those most critical to the judgments and estimates used in the preparation of our financial statements

Revenue Recognition

We recognize revenue in accordance with ASC Topic 606, Revenue from Contracts with Customers ("ASC 606"). Under ASC 606, an entity recognizes revenue when its customer obtains control of promised goods or services in an amount that reflects the consideration which the entity expects to receive in exchange for those goods or services.

Product Revenue, Net

Subsequent to its regulatory approval in the U.S. in September 2021, the Company began to sell Trudhesa in the U.S. The product is distributed through an exclusive third-party logistics, or 3PL, distribution agent that does not take title to the product. The 3PL distributes Trudhesa to the customers, specialty pharmacies and specialty distributors (collectively referred to as "customers"), who then distribute the product to health care providers and patients. In our exclusive distribution agreement with the 3PL company, we act as principal because we retain control of the product.

Revenue from product sales is recognized when the customer obtains control of our product, which occurs upon transfer of title to the customer. We classify payments to customers or other parties in the distribution channel for services that are distinct and priced at fair value as selling, general and administrative expenses in our consolidated statements of operations. Payments to customers or other parties in the distribution channel that do not meet those criteria are classified as a reduction of revenue, as discussed further below. Taxes collected from the customer relating to product sales and remitted to governmental authorities are excluded from revenue. Because our payment terms are generally forty-five days, we conclude there is not a significant financing component because the period between the transfer of a promised good or service to the customer and when the customer pays for that good or service will be one year or less. We expense incremental costs of obtaining a contract as and when incurred since the expected amortization period of the asset that we would have recognized is one year or less.

Reserves for Variable Consideration

Revenues from product sales are recorded at the net sales price, or the transaction price, which includes estimates of variable consideration for which reserves are established and which result from discounts, returns, co-pay assistance, chargebacks, rebates and other allowances that are offered within contracts between us and our customer, health care providers and other indirect customers relating to the sale of Trudhesa. These reserves are based on the amounts earned or to be claimed on the related sales and are classified as reductions of accounts receivable or a current liability. Where appropriate, these estimates take into consideration a range of possible outcomes that are probability-weighted for relevant factors such as our historical experience, current contractual and statutory requirements, specific known market events and trends, industry data and forecasted customer buying and payment patterns. Overall, these reserves reflect our best estimates of the amount of consideration to which we are entitled based on the terms of the contract. The amount of variable consideration that is included in the transaction price may be constrained and is included in the net sales price only to the extent that it is considered probable that a significant reversal in the amount of the cumulative revenue recognized will not occur in a future period. Actual amounts of consideration ultimately received may differ from our estimates. If actual results


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in the future vary from our estimates, we will adjust these estimates, which would affect net product revenue and earnings in the period such variances become known.

The following are the components of variable consideration related to product revenue:

Product Returns: Customers have limited return rights related to the product's damage or defect. We estimate the amount of product sales that may be returned and record the estimate as a reduction of revenue and a refund liability in the period the related product revenue is recognized. Based on the distribution model for Trudhesa and the price of Trudhesa, we believe there will be minimal returns.

Other incentives: Other incentives include co-payment assistance we provide to patients with commercial insurance that have coverage and reside in states that allow co-payment assistance, as well as assistance in the form of a "bridge" program to help start a patient on a new therapy, especially in cases where payers may have barriers (e.g. prior authorizations and appeals) in place before agreeing to pay for a new drug. Under the bridge program the customer distributes the product free of cost to eligible individuals for a period of time. The volume of program utilization under the bridge and co-pay assistance programs is estimated by the Company at the time of sale to the customer. The calculation of the accrual for these programs is based on an estimate of claims and the cost per claim that we expect to receive associated with product that has been recognized as revenue. The estimate is recorded as a reduction of revenue in the same period the related revenue is recognized.

Managed care rebates: We are subject to rebates with certain commercial payers. We record these rebates as an accrual on our consolidated balance sheet in the same period we recognize the related revenue. We estimate our managed care rebates based on our estimated payer mix and the applicable contractual rebate rate.

Chargebacks: We estimate obligations resulting from contractual commitments with the government and other entities to sell products to qualified healthcare providers and patients at prices lower than the list prices charged to our customers. The government and other entities charge us for the difference between what they pay for the product and the selling price to our customers. We record reserves for these chargebacks related to product sold to our customers during the reporting period, as well as our estimate of product that remains in the distribution channel at the end of the reporting period that we expect will be sold to qualified healthcare providers and patients in future periods. As of December 31, 2022, we did not enter into any contracts with entities that are eligible for chargebacks.

Government rebates: We are subject to discount obligations under government programs, including Medicaid programs, Medicare and Tricare in the U.S. We estimate Medicaid, Medicare and Tricare rebates based upon a range of possible outcomes that are probability-weighted for the estimated payer mix. These reserves are recorded in the same period the related revenue is recognized, resulting in a reduction of product revenue and the establishment of a liability that is included in accrued expenses on our consolidated balance sheet. For Medicare, we also estimate the number of patients in the prescription drug coverage gap for whom we will owe an additional liability under the Medicare Part D program. On a quarterly basis, we update our estimates and record any adjustments in the period that we identify the adjustments.

Accounts Receivable, net

Our trade accounts receivable consists of amounts due from customers in the U.S. net of distribution service fees, prompt pay discounts and other adjustments. Our contracts with customers have standard payment terms that generally require payment within 45 days. We analyze accounts that are past due for collectability, and periodically evaluate the creditworthiness of our customers. As of December 31, 2022, we determined an allowance for doubtful accounts was not required based upon our review of contractual payment terms and individual customer circumstances.

Inventory

Prior to receiving approval from the FDA in September 2021 to sell Trudhesa in the U.S., we expensed all costs incurred related to the manufacture of Trudhesa as research and development expense because of the inherent risks associated with the development of a drug candidate, the uncertainty about the regulatory approval process and the lack of history for our regulatory approval of drug candidates. Subsequent to receiving FDA approval in September 2021, we began


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to capitalize inventory related costs that were incurred subsequent to FDA approval. we value our inventories at the lower-of-cost or net realizable value and determine the cost of our inventories, which includes costs related to products held for sale in the ordinary course of business, products in process of production for such sale and items to be currently consumed in the production of goods to be available for sale, on a first-in, first-out (FIFO) basis. Due to the nature of our supply chain process, inventory that is owned by us, is physically stored at third-party warehouses, logistics providers and contract manufacturers. Determining net realizable value of inventories involves significant judgments, including projecting future average selling prices and future sales volumes. To project average selling prices and sales volumes, we review recent sales volumes, prescription volumes, existing customer orders, general economic trends, and other information. When these analyses reflect estimated net realizable values below our manufacturing costs, we record a charge to cost of goods sold in advance of when inventories are actually sold. Differences in forecasted average selling prices used in calculating lower of cost or net realizable value adjustments can result in significant changes in the estimated net realizable value of product inventories and accordingly the amount of write-down recorded.

Stock-Based Compensation

We account for stock-based compensation expense related to stock options, restricted stock units, or RSUs, performance-based restricted stock units, or PSUs by estimating the fair value on the date of grant. The Company estimates the fair value of stock options granted to employees and non-employees using the Black-Scholes option pricing model. The fair value of RSUs and PSUs granted to employees is estimated based on the closing price of the Company's common stock on the date of grant.

Each PSU award reflects a target number of shares ("Target Shares") that may be issued to the award recipient and the units earned at the end of the performance period will be determined based on the achievement of certain revenue targets over the performance period. The PSUs also include a performance objective relating to total shareholder return ("TSR"). TSR reflects the change in the value of the Company's common stock over each performance period. Depending on the revenue achieved and the TSR during the two-year performance periods, the actual number of shares that a grant recipient receives at the end of the performance period may range from 0% to 125% of the Target Shares granted for the 2022 performance period and 0% to 150% of the Target Shares granted for the 2023 performance period.

Management assesses the probability of achieving the specified revenue targets at each reporting period based on current and expected performance of Trudhesa, In the period it becomes probable that the minimum threshold specified in the award will be achieved, we recognize expense for the proportionate share of the total fair value of the PSUs related to the vesting period that has already lapsed for the shares expected to vest and be released. The remaining fair value of the shares expected to vest and be released is expensed on a straight-line basis over the balance of the vesting period. In the event the Company determines it is no longer probable that we will achieve the minimum threshold specified in the award, we reverse all of the previously recognized compensation expense in the period such a determination is made.

The fair value of the portion of the Target Shares that relate to a relative TSR performance objective was determined using a Monte Carlo simulation analysis to estimate the total shareholder return ranking of the Company among a peer group over the remaining performance periods. See Note 9-Stock Incentive Plans to our audited consolidated financial statements included elsewhere in this Annual Report on Form 10-K for further information.

Deferred Royalty Obligation

We account for the RIF, as discussed further in Note 6-Debt to our audited consolidated financial statements, as a deferred royalty obligation, amortized under the effective interest rate method over the estimated life of the revenue streams. We recognize interest expense thereon using the effective rate, which is based on our current estimates of future revenues over the life of the arrangement. In connection therewith, we periodically assess our expected revenues using internal projections, impute interest on the carrying value of the deferred royalty obligation, and record interest expense using the imputed effective interest rate. To the extent our estimates of future revenues are greater or less than previous


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estimates or the estimated timing of such payments is materially different than previous estimates, we will account for any such changes by adjusting the effective interest rate on a prospective basis, with a corresponding impact to the reclassification of our deferred royalty obligation. The assumptions used in determining the expected repayment term of the deferred royalty obligation and amortization period of the issuance costs requires that we make estimates that could impact the short-term and long-term classification of such costs, as well as the period over which such costs will be amortized.

Derivative Liabilities

In connection with the borrowings under the RIF and the Senior Credit Agreement with Oaktree, we identified certain embedded derivatives, which are recorded as liabilities on the Company's consolidated balance sheet and are remeasured to fair value at each reporting date until the derivatives are settled. Changes in the fair value of the derivative liabilities are recognized as other income (expense) in the consolidated statement of operations and comprehensive loss. The fair value of the embedded derivative liabilities associated with the term loans was estimated using a probability weighted discounted cash flow model to measure the fair value. This involves significant Level 3 inputs and assumptions including an (i) estimated probability and timing of a change in control and events of default and ii) our risk-adjusted discount rate.

The embedded derivative liability associated with our deferred royalty obligation is measured at fair value using an option pricing Monte Carlo simulation model and is netted with the deferred royalty obligation in the consolidated financial statements. The assumptions used in the option pricing Monte Carlo simulation model include:(i) the probability-weighted net sales of Trudhesa; (ii) our risk-adjusted discount rate; (iii) our cost of debt; and (iv) the probability of a change in control and event of default occurring during the term of the instrument.

Recent Accounting Pronouncements

See Note 2-Basis of Presentation and Significant Accounting Policies to our audited consolidated financial statements included elsewhere in this Annual Report on Form 10-K for information about recent accounting pronouncements, the timing of their adoption, and our assessment, to the extent we have made one yet, of their potential impact on our financial condition of results of operations.

JOBS Act Accounting Election

We are an "emerging growth company," as defined in the JOBS Act. Under the JOBS Act, emerging growth companies can delay adopting new or revised accounting standards issued subsequent to the enactment of the JOBS Act until such time as those standards apply to private companies.

We have elected to use this extended transition period to enable us to get comply with new or revised accounting standards that have different effective dates for public and private companies until the earlier of the date we (i) are no longer an emerging growth company or (ii) affirmatively and irrevocably opt out of the extended transition period provided in the JOBS Act. As a result, our financial statements may not be comparable to companies that comply with new or revised accounting pronouncements as of public company effective dates.

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