X0306 4 2022-02-11 0 0001665988 Bioventus Inc. BVS 0001835184 D'Adamio Anthony 4721 EMPEROR BOULEVARD, SUITE 100 DURHAM NC 27703 0 1 0 0 SVP & General Counsel Class A Common Stock 2022-02-11 4 M 0 4400 A 19966 D Class A Common Stock 2022-02-14 4 S 0 1294 11.9883 D 18672 D Restricted Stock Units 2022-02-11 4 M 0 4400 0.00 D Class A Common Stock 4400 0 D Each restricted stock unit represents a contingent right to receive one share of Class A common stock. Reflects shares sold to cover taxes upon the vesting of restricted stock units on February 11, 2022 pursuant to a standing 10b5-1 instruction. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $11.9077 to $11.99, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote. The restricted stock units vested on February 11, 2022. /s/ Anthony D'Adamio 2022-02-15