SAB Biotherapeutics, Inc. (SABS) has 20 known insider and institutional holders on record. The largest holder is Reich Samuel J with 4,800,000 shares. Other notable holders include Big Cypress Holdings LLC and Sullivan Eddie Joe.
Over the last 12 months, insiders have made 27 transactions in SABS stock — 20 buys (valued at $145.49M) and 0 sells (valued at RSU Award). Insider buying has outpaced selling during this period, which may signal confidence in the company's prospects.
SABS Insider Ownership
Top Holder
Reich Samuel J
4,800,000 shares
Buys (12 mo)
20
$145.49M value
Sells (12 mo)
0
$0.00 value
12-Month Transaction Activity
Top Insider Holders
| # |
Name |
Role |
Shares Owned |
Last Filed |
Relative Size |
| 1 |
Reich Samuel J |
CEO |
4,800,000 |
2026-02-05 |
|
| 2 |
Big Cypress Holdings Llc |
10 Percent Owner, Officer: CEO and CFO |
3,047,825 |
2021-01-14 |
|
| 3 |
Sullivan Eddie Joe |
President |
3,000,000 |
2026-02-05 |
|
| 4 |
To Lucy |
See Remarks |
2,400,000 |
2026-02-05 |
|
| 5 |
Bausch Christoph Lawrence |
Chief Operating Officer |
1,800,000 |
2026-02-05 |
|
| 6 |
Beyer Russell P |
Chief Financial Officer |
275,000 |
2023-03-16 |
|
| 7 |
Jain Rita |
Director |
240,000 |
2026-01-07 |
|
| 8 |
Zaccardelli David |
Director |
240,000 |
2026-01-07 |
|
| 9 |
Moin Andrew |
Director |
211,100 |
2025-10-01 |
|
| 10 |
Sessa Capital (master), L.p. |
Director |
211,100 |
2025-10-01 |
|
| 11 |
Giberson Scott |
Director |
150,000 |
2025-12-18 |
|
| 12 |
Ellias Helen K. |
Director |
150,000 |
2025-12-18 |
|
| 13 |
Link David |
Director |
150,000 |
2025-12-18 |
|
| 14 |
Polvino William James |
Director |
150,000 |
2025-12-18 |
|
| 15 |
Lucera Erick |
Director |
150,000 |
2025-12-18 |
|
| 16 |
Skyler Jay S |
Director |
150,000 |
2025-12-18 |
|
| 17 |
King Michael |
Chief Financial Officer |
115,000 |
2024-02-23 |
|
| 18 |
Kropotova Alexandra |
Chief Medical Officer |
43,296 |
2026-03-25 |
|
| 19 |
Finnegan Frederick |
Chief Business Officer |
23,453 |
2022-03-18 |
|
| 20 |
Luke Thomas Charles |
Chief Medical Officer |
20,519 |
2022-03-18 |
|
Recent Transactions (last 12 months)
| Date |
Name |
Role |
Type |
Shares |
Price |
Value |
| 2026-03-24 |
Kropotova Alexandra |
Chief Medical Officer |
Tax Withholding of RSU |
988 |
- |
- |
| 2026-02-03 |
To Lucy |
See Remarks |
RSU Award |
2,400,000 |
$4.45 |
$10.68M |
| 2026-02-03 |
Bausch Christoph Lawrence |
Chief Operating Officer |
RSU Award |
1,800,000 |
$4.45 |
$8.01M |
| 2026-02-03 |
Sullivan Eddie Joe |
President |
RSU Award |
3,000,000 |
$4.45 |
$13.35M |
| 2026-02-03 |
Kropotova Alexandra |
Chief Medical Officer |
RSU Award |
2,400,000 |
$4.45 |
$10.68M |
| 2026-02-03 |
Reich Samuel J |
CEO |
RSU Award |
4,800,000 |
$4.45 |
$21.36M |
| 2026-01-05 |
Jain Rita |
Director |
RSU Award |
240,000 |
$3.74 |
$897.6K |
| 2026-01-05 |
Jain Rita |
Officer |
Unknown |
- |
- |
- |
| 2026-01-05 |
Zaccardelli David |
Director |
RSU Award |
240,000 |
$3.74 |
$897.6K |
| 2026-01-05 |
Zaccardelli David |
Officer |
Unknown |
- |
- |
- |
| 2025-12-16 |
Link David |
Director |
RSU Award |
150,000 |
$3.99 |
$598.5K |
| 2025-12-16 |
Ellias Helen K. |
Director |
RSU Award |
150,000 |
$3.99 |
$598.5K |
| 2025-12-16 |
Giberson Scott |
Director |
RSU Award |
150,000 |
$3.99 |
$598.5K |
| 2025-12-16 |
Polvino William James |
Director |
RSU Award |
150,000 |
$3.99 |
$598.5K |
| 2025-12-16 |
Lucera Erick |
Director |
RSU Award |
150,000 |
$3.99 |
$598.5K |
| 2025-12-16 |
Skyler Jay S |
Director |
RSU Award |
150,000 |
$3.99 |
$598.5K |
| 2025-12-11 |
Kropotova Alexandra |
Chief Medical Officer |
Tax Withholding of RSU |
988 |
- |
- |
| 2025-09-29 |
Moin Andrew |
Director |
Option Exercise (Sell) |
17,400 |
$1.75 |
$30.45K |
| 2025-09-29 |
Sessa Capital (master), L.p. |
Director |
Option Exercise (Sell) |
17,400 |
$1.75 |
$30.45K |
| 2025-09-19 |
Kropotova Alexandra |
Chief Medical Officer |
Tax Withholding of RSU |
1,977 |
- |
- |
| 2025-08-26 |
To Lucy |
See Remarks |
RSU Award |
1,200,000 |
$2.17 |
$2.6M |
| 2025-08-26 |
Bausch Christoph Lawrence |
Chief Operating Officer |
RSU Award |
600,000 |
$2.17 |
$1.3M |
| 2025-08-26 |
Sullivan Eddie Joe |
President |
RSU Award |
3,000,000 |
$2.17 |
$6.51M |
| 2025-08-26 |
Kropotova Alexandra |
Chief Medical Officer |
RSU Award |
2,400,000 |
$2.17 |
$5.21M |
| 2025-08-26 |
Reich Samuel J |
CEO & Executive Chairman |
RSU Award |
4,800,000 |
$2.17 |
$10.42M |
