root9B Holdings, Inc. (NasdaqCM:RTNB) announced a private placement of an unsecured non-convertible promissory note for gross proceeds of $245,000 on February 8, 2017. The transaction included participation from Joseph J. Grano, Jr, Chief Executive Officer. The note carries a coupon of 4% per annum, and will be payable on or before February 9, 2018.