Data spanning the past 90 days through February 07, 2026 reveals that SAB Biotherapeutics's three principal insider shareholders consist of Director Capital (Master), L.P. Sessa (2.20Mn shares), Director Andrew Moin (2.20Mn shares), Director Christine E Hamilton (810.44K 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 | |
| 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 |
| Ilan Katz | 150 | 15 Oct, 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 | Capital (Master), L.P. Sessa | - | - | 2,198,457 | D | |||
| 29 Sep, 2025 | Capital (Master), L.P. Sessa | Common Stock | A | 1,740,000 | $1.75 | 2,198,457 | D | M |
| 29 Sep, 2025 | Andrew Moin | Common Stock | A | 1,740,000 | $1.75 | 2,198,457 | I | 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 | Common Stock | A | 1,740 | $0.88 | 523,230 | D | P |
| 07 Dec, 2023 | Eddie Joe Sullivan | - | - | 523,230 | D | |||
| 30 Nov, 2023 | Michael King | - | - | 500 | D | |||
| 30 Nov, 2023 | Michael King | Common Stock | A | 5,000 | $0.90 | 500 | D | P |
| 29 Nov, 2023 | Samuel J Reich | Common Stock | A | 11,000 | $0.89 | 21,900 | D | P |
| 29 Nov, 2023 | Samuel J Reich | - | - | 21,900 | D | |||
| 24 Nov, 2023 | Capital (Master), L.P. Sessa | Common Stock | A | 4,584,571 | - | 458,457 | D | M |
| 24 Nov, 2023 | Andrew Moin | - | - | 458,457 | I | |||
| 24 Nov, 2023 | Andrew Moin | Common Stock | A | 4,584,571 | - | 458,457 | I | 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 |