X0306 4 2015-12-28 0 0001419554 Bone Biologics Corp NONE 0001657007 Treat William Jay C/O BONE BIOLOGICS CORPORATION 321 COLUMBUS AVENUE BOSTON MA 02116 0 1 0 0 Chief Technology Officer Employee Stock Option (Right to Buy) 1.59 2015-12-28 4 A 0 799414 0.00 A 2025-12-27 Common Stock 799414 799414 D 532,942 shares subject to the option are immediately exercisable and the remaining shares subject to the option shall vest and become exercisable on September 19, 2016, subject to the Reporting Person's Continuous Service (as defined in the Issuer's 2015 Equity Incentive Plan) on such vesting date. /s/William Jay Treat 2015-12-30