X0306 4 2022-04-01 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 2022-04-01 4 M 0 37476 A 56148 D Class A Common Stock 2022-04-04 4 S 0 16016 11.1912 D 40132 D Restricted Stock Units 2022-04-01 4 M 0 37476 0.00 D Class A Common Stock 37476 0 D Each restricted stock unit ("RSU") represents a contingent right to receive one share of Class A common stock. Reflects shares sold to cover taxes upon the vesting of RSUs on April 1, 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 $11.0438 to $11.54, inclusive. 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 RSUs vested on April 1, 2022. /s/ Anthony D'Adamio 2022-04-05