Based on data from the past 90 days ending February 06, 2026, Bioventus's three largest insider shareholders are Director John A. Bartholdson (7.02Mn shares), TenPercentOwner Investment Company, Llc Juniper (6.83Mn shares), Director Stavros G. Vizirgianakis (2.78Mn shares).
| Holder | Position | Shares | Report Date |
|---|---|---|---|
| John A. Bartholdson | 7,018,977 | 10 Jun, 2025 | |
| Investment Company, Llc Juniper | 6,833,857 | 15 Aug, 2023 | |
| Stavros G. Vizirgianakis | 2,781,888 | 22 Jun, 2022 | |
| William A Hawkins | 257,851 | 04 Jun, 2025 | |
| Anthony P Iii Bihl | Interim Ceo | 164,885 | 22 Aug, 2023 |
| Alessandra Pavesio | Svp & Chief Science Officer | 148,309 | 05 Apr, 2022 |
| Mark Leonard Singleton | Svp & Cfo | 141,088 | 15 Apr, 2025 |
| Anthony D'Adamio | Svp & General Counsel | 131,416 | 15 Apr, 2025 |
| Robert E Claypoole | President And Ceo | 116,997 | 13 Jan, 2026 |
| Guy P Nohra | 116,610 | 08 Dec, 2025 | |
| Susan M Stalnecker | 105,957 | 04 Jun, 2025 | |
| Martin P Sutter | 85,241 | 04 Jun, 2025 | |
| Guido J Neels | 85,241 | 04 Jun, 2025 | |
| John Nosenzo | Chief Commercial Officer | 83,932 | 05 Apr, 2022 |
| Mary Kay Ladone | 78,981 | 04 Jun, 2025 | |
| Pat Beyer | 76,436 | 04 Jun, 2025 | |
| Michelle Mcmurry-Heath | 56,997 | 10 Nov, 2025 | |
| Katrina J Church | Svp & Chief Compliance Officer | 55,557 | 15 Apr, 2025 |
| Gregory O. Anglum | Svp & Cfo | 55,013 | 15 Feb, 2022 |
| Philip G. Cowdy | 11,700 | 05 Apr, 2022 | |
| Kenneth Michael Reali | Chief Executive Officer | 11,175 | 10 Sep, 2021 |
* 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 |
|---|---|---|---|---|---|---|---|---|
| 09 Jan, 2026 | Robert E Claypoole | Class A Common Stock | A | 93,750 | $0.00 | 158,714 | D | M |
| 09 Jan, 2026 | Robert E Claypoole | Class A Common Stock | D | 41,717 | $8.03 | 116,997 | D | F |
| 04 Dec, 2025 | Guy P Nohra | - | - | 116,610 | D | |||
| 04 Dec, 2025 | Guy P Nohra | Class A Common Stock | D | 10,000 | $7.57 | 116,610 | D | S |
| 07 Nov, 2025 | Michelle Mcmurry-Heath | - | - | 56,997 | D | |||
| 07 Nov, 2025 | Michelle Mcmurry-Heath | Class A Common Stock | D | 17,701 | $7.42 | 56,997 | D | S |
| 06 Jun, 2025 | John A. Bartholdson | Class A Common Stock | A | 7,575 | $0.00 | 79,620 | D | M |
| 02 Jun, 2025 | Martin P Sutter | Class A Common Stock | A | 26,493 | $0.00 | 85,241 | D | M |
| 02 Jun, 2025 | Martin P Sutter | - | - | 85,241 | D | |||
| 02 Jun, 2025 | William A Hawkins | Class A Common Stock | A | 26,493 | $0.00 | 257,851 | D | M |
| 02 Jun, 2025 | Guy P Nohra | Class A Common Stock | A | 26,493 | $0.00 | 126,610 | D | M |
| 02 Jun, 2025 | Susan M Stalnecker | Class A Common Stock | A | 26,493 | $0.00 | 105,957 | D | M |
| 02 Jun, 2025 | Guido J Neels | Class A Common Stock | A | 26,493 | $0.00 | 85,241 | D | M |
| 02 Jun, 2025 | John A. Bartholdson | Class A Common Stock | A | 26,493 | $0.00 | 72,045 | D | M |
| 02 Jun, 2025 | Pat Beyer | Class A Common Stock | A | 26,493 | $0.00 | 76,436 | D | M |
| 02 Jun, 2025 | Mary Kay Ladone | Class A Common Stock | A | 26,493 | $0.00 | 78,981 | D | M |
| 02 Jun, 2025 | Michelle Mcmurry-Heath | Class A Common Stock | A | 26,493 | $0.00 | 74,698 | D | M |
| 11 Apr, 2025 | Katrina J Church | Class A Common Stock | D | 1,283 | $7.57 | 55,557 | D | S |
| 11 Apr, 2025 | Anthony D'Adamio | Class A Common Stock | D | 2,958 | $7.57 | 131,416 | D | S |
| 11 Apr, 2025 | Mark Leonard Singleton | Class A Common Stock | D | 3,875 | $7.57 | 141,088 | D | S |