As of April 22, 2026, Bioventus's top three insider holders are John A. Bartholdson (Director, 6.94Mn shares), Investment Company, Llc Juniper (TenPercentOwner, 6.83Mn shares), Stavros G. Vizirgianakis (Director, 2.78Mn shares).
| Holder | Position | Shares (Direct) | Shares (Indirect) | Report Date |
|---|---|---|---|---|
| John A. Bartholdson | - | 0 | 6,939,357 | 20 Aug, 2024 |
| Investment Company, Llc Juniper | - | 0 | 6,833,857 | 15 Aug, 2023 |
| Stavros G. Vizirgianakis | - | 2,781,888 | 0 | 22 Jun, 2022 |
| Mark Leonard Singleton | Svp Cfo | 177,333 | 0 | 14 Apr, 2026 |
| Mark Leonard Singleton | Svp Cfo | 169,981 | 0 | 24 Mar, 2026 |
| Anthony P Iii Bihl | Interim Ceo | 138,290 | 26,595 | 22 Aug, 2023 |
| Anthony D'Adamio | Svp General Counsel | 153,655 | 0 | 14 Apr, 2026 |
| Alessandra Pavesio | Svp Chief Science Officer | 148,309 | 0 | 05 Apr, 2022 |
| Alessandra Pavesio | Svp Chief Science Officer | 148,309 | 0 | 05 Apr, 2022 |
| Anthony D'Adamio | Svp General Counsel | 138,069 | 0 | 18 Feb, 2026 |
| Robert E Claypoole | President And Ceo | 116,997 | 0 | 13 Jan, 2026 |
| Robert E Claypoole | President And Ceo | 116,997 | 0 | 13 Jan, 2026 |
| Guy P Nohra | - | 116,610 | 0 | 08 Dec, 2025 |
| Susan M Stalnecker | - | 105,957 | 0 | 04 Jun, 2025 |
| Susan M Stalnecker | - | 105,957 | 0 | 04 Jun, 2025 |
| Martin P Sutter | - | 85,241 | 0 | 04 Jun, 2025 |
| Guido J Neels | - | 85,241 | 0 | 04 Jun, 2025 |
| Guido J Neels | - | 85,241 | 0 | 04 Jun, 2025 |
| John Nosenzo | Chief Commercial Officer | 83,932 | 0 | 05 Apr, 2022 |
| John Nosenzo | Chief Commercial Officer | 83,932 | 0 | 05 Apr, 2022 |
| John A. Bartholdson | - | 79,620 | 0 | 10 Jun, 2025 |
| Mary Kay Ladone | - | 78,981 | 0 | 04 Jun, 2025 |
| Pat Beyer | - | 76,436 | 0 | 04 Jun, 2025 |
| Katrina J Church | Svp Chief Compliance Officer | 64,164 | 0 | 14 Apr, 2026 |
| Gregory O. Anglum | Svp Cfo | 55,013 | 0 | 15 Feb, 2022 |
| Michelle Mcmurry-Heath | - | 44,997 | 0 | 13 Mar, 2026 |
| Michelle Mcmurry-Heath | - | 44,997 | 0 | 13 Mar, 2026 |
| Philip G. Cowdy | - | 11,700 | 0 | 05 Apr, 2022 |
| Kenneth Michael Reali | Chief Executive Officer | 11,175 | 0 | 10 Sep, 2021 |
| Mary Kay Ladone | - | 1,813 | 0 | 22 Jun, 2022 |
| Pat Beyer | - | 965 | 0 | 22 Jun, 2022 |
| Michelle Mcmurry-Heath | - | 385 | 0 | 22 Jun, 2022 |
| Michelle Mcmurry-Heath | - | 385 | 0 | 22 Jun, 2022 |
* Please note that the shares above only reflect shares from the fund portfolio and the institutional portfolio. Shares from the personal portfolio are excluded from this Institutional Ownership Page. See these insiders' latest transactions here on Insider Page.
| Transaction Date | Insider Name | Security Class | Transaction Type | Shares Traded | Price | Shares Remaining | Ownership | Code |
|---|---|---|---|---|---|---|---|---|
| 10 Apr, 2026 | Mark Leonard Singleton | Class A Common Stock | A | 13,000 | $0.00 | 182,981 | D | M |
| 10 Apr, 2026 | Katrina J Church | Class A Common Stock | A | 4,300 | $0.00 | 66,032 | D | M |
| 10 Apr, 2026 | Anthony D'Adamio | Class A Common Stock | A | 9,925 | $0.00 | 157,967 | D | M |
| 10 Apr, 2026 | Anthony D'Adamio | Class A Common Stock | D | 4,312 | $9.06 | 153,655 | D | F |
| 10 Apr, 2026 | Mark Leonard Singleton | Class A Common Stock | D | 5,648 | $9.06 | 177,333 | D | F |
| 10 Apr, 2026 | Katrina J Church | Class A Common Stock | D | 1,868 | $9.06 | 64,164 | D | F |
| 10 Apr, 2026 | Anthony D'Adamio | Restricted Stock Units | D | 9,925 | $0.00 | 9,925 | D | M |
| 10 Apr, 2026 | Katrina J Church | Restricted Stock Units | D | 4,300 | $0.00 | 4,300 | D | M |
| 10 Apr, 2026 | Mark Leonard Singleton | Restricted Stock Units | D | 13,000 | $0.00 | 13,000 | D | M |
| 20 Mar, 2026 | Mark Leonard Singleton | Class A Common Stock | A | 18,625 | $0.00 | 178,072 | D | M |
| 20 Mar, 2026 | Mark Leonard Singleton | Class A Common Stock | D | 8,091 | $8.64 | 169,981 | D | F |
| 20 Mar, 2026 | Mark Leonard Singleton | Restricted Stock Units | D | 18,625 | $0.00 | 0 | D | M |
| 11 Mar, 2026 | Michelle Mcmurry-Heath | Class A Common Stock | D | 12,000 | $8.79 | 44,997 | D | S |
| 15 Feb, 2026 | Anthony D'Adamio | Class A Common Stock | A | 12,980 | $0.00 | 144,396 | D | M |
| 15 Feb, 2026 | Mark Leonard Singleton | Class A Common Stock | A | 20,153 | $0.00 | 161,241 | D | M |
| 15 Feb, 2026 | Mark Leonard Singleton | Class A Common Stock | D | 9,429 | $8.27 | 151,812 | D | F |
| 15 Feb, 2026 | Anthony D'Adamio | Class A Common Stock | D | 6,327 | $8.27 | 138,069 | D | F |
| 15 Feb, 2026 | Mark Leonard Singleton | Restricted Stock Units | D | 20,153 | $0.00 | 40,304 | D | M |
| 15 Feb, 2026 | Anthony D'Adamio | Restricted Stock Units | D | 12,980 | $0.00 | 25,960 | D | M |
| 09 Jan, 2026 | Robert E Claypoole | Class A Common Stock | A | 93,750 | $0.00 | 158,714 | D | M |