Through the 90-day period concluding December 12, 2025, SAB Biotherapeutics's top three insider stakeholders include Director Capital (Master), L.P. Sessa (2.20Mn shares), Director Andrew Moin (2.20Mn shares), Chief Medical Officer Alexandra Kropotova (45.27K shares).
| Holder | Position | Shares | Report Date |
|---|---|---|---|
| Christine E Hamilton | 810,442 | 14 Sep, 2022 | |
| Eddie Joe Sullivan | Chief Executive Officer | 523,230 | 08 Dec, 2023 |
| Edward D. Hamilton | 505,444 | 26 Oct, 2021 | |
| Ilan Katz | 304,933 | 15 Oct, 2021 | |
| Cypress Holdings Llc Big | CEO And Cfo | 304,783 | 14 Jan, 2021 |
| Helen K. Ellias | 285,714 | 28 Nov, 2023 | |
| Capital (Master), L.P. Sessa | 2,198,457 | 01 Oct, 2025 | |
| Andrew Moin | 2,198,457 | 01 Oct, 2025 | |
| Samuel J Reich | Executive Chairman | 76,670 | 30 Nov, 2023 |
| Jeffrey G Spragens | 39,499 | 09 Dec, 2022 | |
| David Charles Link | 6,941 | 09 Dec, 2022 | |
| Alexandra Kropotova | Chief Medical Officer | 44,284 | 12 Dec, 2025 |
| Frederick Finnegan | Chief Business Officer | 3,860 | 26 Oct, 2021 |
| Thomas Charles Luke | Chief Medical Officer | 543 | 26 Oct, 2021 |
| Michael King | Chief Financial Officer | 500 | 30 Nov, 2023 |
| Russell P Beyer | Chief Financial Officer | 249 | 16 Nov, 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 |
|---|---|---|---|---|---|---|---|---|
| 11 Dec, 2025 | Alexandra Kropotova | Common Stock | D | 988 | - | 44,284 | D | F |
| 29 Sep, 2025 | Andrew Moin | Common Stock | A | 1,740,000 | $1.75 | 2,198,457 | I | M |
| 29 Sep, 2025 | Andrew Moin | - | - | 2,198,457 | I | |||
| 29 Sep, 2025 | Capital (Master), L.P. Sessa | Common Stock | A | 1,740,000 | $1.75 | 2,198,457 | D | M |
| 19 Sep, 2025 | Alexandra Kropotova | Common Stock | D | 1,977 | - | 45,272 | D | F |
| 27 Mar, 2025 | Alexandra Kropotova | Common Stock | D | 1,179 | - | 47,249 | D | F |
| 18 Dec, 2024 | Alexandra Kropotova | Common Stock | D | 9,072 | - | 48,428 | D | F |
| 07 Dec, 2023 | Eddie Joe Sullivan | - | - | 523,230 | D | |||
| 07 Dec, 2023 | Eddie Joe Sullivan | Common Stock | A | 1,740 | $0.88 | 523,230 | D | P |
| 30 Nov, 2023 | Michael King | Common Stock | A | 5,000 | $0.90 | 500 | D | P |
| 30 Nov, 2023 | Michael King | - | - | 500 | D | |||
| 29 Nov, 2023 | Samuel J Reich | - | - | 21,900 | D | |||
| 29 Nov, 2023 | Samuel J Reich | Common Stock | A | 11,000 | $0.89 | 21,900 | D | P |
| 24 Nov, 2023 | Andrew Moin | Common Stock | A | 4,584,571 | - | 458,457 | I | M |
| 24 Nov, 2023 | Helen K. Ellias | - | - | 285,714 | I | |||
| 24 Nov, 2023 | Capital (Master), L.P. Sessa | Common Stock | A | 4,584,571 | - | 458,457 | D | M |
| 24 Nov, 2023 | Helen K. Ellias | Common Stock | A | 2,857,142 | - | 285,714 | I | M |
| 14 Mar, 2023 | Alexandra Kropotova | Common Stock | A | 275,000 | - | 27,500 | D | A |
| 14 Mar, 2023 | Alexandra Kropotova | - | - | 27,500 | D | |||
| 07 Dec, 2022 | Christine E Hamilton | Common Stock | A | 82,987 | $1.20 | 311,133 | I | A |