Rapid Micro Biosystems, Inc. announced that on March 23, 2026, Mr. John Wilson, Chief Operating Officer of Rapid Micro Biosystems, Inc., notified the Company of his intention to depart from the Company, effective April 10, 2026, in order to spend more time with his family. Mr. Wilson's departure is not the result of any disagreement with the Company on any matter relating to the Company's operations, policies or practices. In connection with Mr. Wilson's anticipated departure, Mr. Robert Spignesi, the Company's President and Chief Executive Officer, in addition to his current positions, will assume the role of the Company's principal operating officer, effective April 10, 2026.
The information required by Items 401(b), (d), (e) and Item 404(a) of Regulation S-K related to Mr. Spignesi was previously disclosed in the Company's definitive proxy statement filed on April 8, 2025.
Rapid Micro Biosystems, Inc. is a life sciences technology company providing mission-critical automation solutions to facilitate the manufacturing and release of healthcare products such as biologics, vaccines, cell and gene therapies, and sterile injectables. Its flagship Growth Direct system automates and modernizes the antiquated, manual microbial quality control (MQC) testing workflows used in pharmaceutical manufacturing operations. It offers four specific applications for testing of microbial contamination: Environmental Monitoring, which tests the manufacturing environment, including circulating air, exposed surfaces, and personnel; Water, which tests any purified water used at any stage of the drug production process, including water for injection; In-Process Bioburden, which tests raw materials, drug substance and in-process product, and Sterility Release offering final testing of finished product to ensure sterility before the product is released for commercial sale.
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