SABSSAB Biotherapeutics, Inc.
- Market cap
- $258.40M
- as of 2026-10-23
- Latest close
- $2.84
- as of 2026-10-23
- Sector
- Healthcare
- as of 2026-10-24
- Industry
- Biotechnology
- as of 2026-10-24
Cluster
No cluster in the last 90 days under the default rule (14d · ≥2 insiders · all roles).
Form 4 historysince 2023-10-24
Dashed line = amended filing (Form 4/A)
| Insider | Traded | Filed | Type | Shares | Price | Value | Owned after | 10b5-1 plan | Filing |
|---|---|---|---|---|---|---|---|---|---|
| Kropotova AlexandraCHIEF MEDICAL OFFICER | Sep 17 | Sep 18 | F | 473 | not reported | not reported | 41,853 | No | Form 4 |
| Kropotova AlexandraCHIEF MEDICAL OFFICER | Jun 25 | Jun 26 | F | 988 | not reported | not reported | 42,308 | No | Form 4 |
| Kropotova AlexandraCHIEF MEDICAL OFFICER | Mar 24 | Mar 25 | F | 988 | not reported | not reported | 43,296 | No | Form 4 |
| To LucySee Remarks | Feb 3 | Feb 5 | A · derivative | 2,400,000 | $4.45 | $10,680,000 | 2,400,000 | No | Form 4 |
| Kropotova AlexandraCHIEF MEDICAL OFFICER | Feb 3 | Feb 5 | A · derivative | 2,400,000 | $4.45 | $10,680,000 | 2,400,000 | No | Form 4 |
| Bausch Christoph LawrenceCHIEF OPERATING OFFICER | Feb 3 | Feb 5 | A · derivative | 1,800,000 | $4.45 | $8,010,000 | 1,800,000 | No | Form 4 |
| Reich Samuel JCEO | Feb 3 | Feb 5 | A · derivative | 4,800,000 | $4.45 | $21,360,000 | 4,800,000 | No | Form 4 |
| Sullivan Eddie JoePRESIDENT | Feb 3 | Feb 5 | A · derivative | 3,000,000 | $4.45 | $13,350,000 | 3,000,000 | No | Form 4 |
| Zaccardelli David | Jan 5 | Jan 7 | A · derivative | 240,000 | $3.74 | $897,600 | 240,000 | No | Form 4 |
| Jain Rita | Jan 5 | Jan 7 | A · derivative | 240,000 | $3.74 | $897,600 | 240,000 | No | Form 4 |
| Link David | Dec 16, 2025 | Dec 18, 2025 | A · derivative | 150,000 | $3.99 | $598,500 | 150,000 | No | Form 4 |
| Giberson Scott | Dec 16, 2025 | Dec 18, 2025 | A · derivative | 150,000 | $3.99 | $598,500 | 150,000 | No | Form 4 |
| Ellias Helen K. | Dec 16, 2025 | Dec 18, 2025 | A · derivative | 150,000 | $3.99 | $598,500 | 150,000 | No | Form 4 |
| Lucera Erick | Dec 16, 2025 | Dec 18, 2025 | A · derivative | 150,000 | $3.99 | $598,500 | 150,000 | No | Form 4 |
| Polvino William James | Dec 16, 2025 | Dec 18, 2025 | A · derivative | 150,000 | $3.99 | $598,500 | 150,000 | No | Form 4 |
| Skyler Jay S | Dec 16, 2025 | Dec 18, 2025 | A · derivative | 150,000 | $3.99 | $598,500 | 150,000 | No | Form 4 |
| Kropotova AlexandraCHIEF MEDICAL OFFICER | Dec 11, 2025 | Dec 12, 2025 | F | 988 | not reported | not reported | 44,284 | No | Form 4 |
| Sessa Capital GP, LLC | Sep 29, 2025 | Oct 1, 2025 | M | 1,740,000 | $1.75 | $3,045,000 | 2,198,457 | No | Form 4 |
| Sessa Capital GP, LLC | Sep 29, 2025 | Oct 1, 2025 | M · derivative | 17,400 | $1.75 | $30,450 | 211,100 | No | Form 4 |
| Moin Andrew | Sep 29, 2025 | Oct 1, 2025 | M | 1,740,000 | $1.75 | $3,045,000 | 2,198,457 | No | Form 4 |
| Moin Andrew | Sep 29, 2025 | Oct 1, 2025 | M · derivative | 17,400 | $1.75 | $30,450 | 211,100 | No | Form 4 |
| Kropotova AlexandraCHIEF MEDICAL OFFICER | Sep 19, 2025 | Sep 22, 2025 | F | 1,977 | not reported | not reported | 45,272 | No | Form 4 |
| Sullivan Eddie JoePRESIDENT | Aug 26, 2025 | Aug 28, 2025 | A · derivative | 3,000,000 | $2.17 | $6,510,000 | 3,000,000 | No | Form 4 |
| Bausch Christoph LawrenceCHIEF OPERATING OFFICER | Aug 26, 2025 | Aug 28, 2025 | A · derivative | 600,000 | $2.17 | $1,302,000 | 600,000 | No | Form 4 |
| Kropotova AlexandraCHIEF MEDICAL OFFICER | Aug 26, 2025 | Aug 28, 2025 | A · derivative | 2,400,000 | $2.17 | $5,208,000 | 2,400,000 | No | Form 4 |
| To LucySee Remarks | Aug 26, 2025 | Aug 28, 2025 | A · derivative | 1,200,000 | $2.17 | $2,604,000 | 1,200,000 | No | Form 4 |
| Reich Samuel JCEO & EXECUTIVE CHAIRMAN | Aug 26, 2025 | Aug 28, 2025 | A · derivative | 4,800,000 | $2.17 | $10,416,000 | 4,800,000 | No | Form 4 |
| Moin Andrew | Jul 22, 2025 | Jul 24, 2025 | A · derivative | 228,500 | $1.75 | $399,875 | 228,500 | No | Form 4 |
| Moin Andrew | Jul 22, 2025 | Jul 24, 2025 | A · derivative | 228,500 | $175.00 | $39,987,500 | 228,500 | No | Form 4 |
| Moin Andrew | Jul 22, 2025 | Jul 24, 2025 | A · derivative | 114,250 | $218.75 | $24,992,188 | 114,250 | No | Form 4 |
| Sessa Capital IM GP, LLC | Jul 22, 2025 | Jul 24, 2025 | A · derivative | 228,500 | $1.75 | $399,875 | 228,500 | No | Form 4 |
| Sessa Capital IM GP, LLC | Jul 22, 2025 | Jul 24, 2025 | A · derivative | 228,500 | $175.00 | $39,987,500 | 228,500 | No | Form 4 |
| Sessa Capital IM GP, LLC | Jul 22, 2025 | Jul 24, 2025 | A · derivative | 114,250 | $218.75 | $24,992,188 | 114,250 | No | Form 4 |
| Kropotova AlexandraCHIEF MEDICAL OFFICER | Mar 27, 2025 | Apr 1, 2025 | F | 1,179 | not reported | not reported | 47,249 | No | Form 4 |
| Kropotova AlexandraCHIEF MEDICAL OFFICER | Dec 18, 2024 | Dec 31, 2024 | F | 9,072 | not reported | not reported | 48,428 | No | Form 4 |
| Ellias Helen K. | Nov 1, 2024 | Nov 5, 2024 | A · derivative | 20,000 | $3.88 | $77,600 | 20,000 | No | Form 4 |
| Ellias Helen K. | Nov 1, 2024 | Nov 5, 2024 | A · derivative | 35,000 | $3.88 | $135,800 | 35,000 | No | Form 4 |
| To LucySee Remarks | Aug 12, 2024 | Aug 13, 2024 | A · derivative | 125,000 | $2.35 | $293,750 | 125,000 | No | Form 4 |
| Giberson Scott | Jul 15, 2024 | Jul 17, 2024 | A · derivative | 20,000 | $2.90 | $58,000 | 20,000 | No | Form 4 |
| Hamilton Christine E | Jul 15, 2024 | Jul 17, 2024 | A · derivative | 20,000 | $2.90 | $58,000 | 20,000 | No | Form 4 |
| Hamilton Christine E | Jul 15, 2024 | Jul 17, 2024 | A · derivative | 5,815 | $5.40 | $31,401 | 5,815 | No | Form 4 |
| Hamilton Christine E | Jul 15, 2024 | Jul 17, 2024 | A · derivative | 4,447 | $2.90 | $12,896 | 4,447 | No | Form 4 |
| Hamilton Christine E | Jul 15, 2024 | Jul 17, 2024 | A · derivative | 44,202 | $5.40 | $238,691 | 44,202 | No | Form 4 |
| Hamilton Christine E | Jul 15, 2024 | Jul 17, 2024 | A · derivative | 2,326 | $2.90 | $6,745 | 2,326 | No | Form 4 |
| Lucera Erick | Jul 15, 2024 | Jul 17, 2024 | A · derivative | 20,000 | $2.90 | $58,000 | 20,000 | No | Form 4 |
| Sullivan Eddie JoePRESIDENT | Jul 15, 2024 | Jul 17, 2024 | A · derivative | 46,528 | $5.40 | $251,251 | 46,528 | No | Form 4 |
| Sullivan Eddie JoePRESIDENT | Jul 15, 2024 | Jul 17, 2024 | A · derivative | 4,447 | $2.90 | $12,896 | 4,447 | No | Form 4 |
| Polvino William James | Jul 15, 2024 | Jul 17, 2024 | A · derivative | 20,000 | $2.90 | $58,000 | 20,000 | No | Form 4 |
| Polvino William James | Jul 15, 2024 | Jul 17, 2024 | A · derivative | 13,958 | $2.90 | $40,478 | 13,958 | No | Form 4 |
| Spragens Jeffrey G | Jul 15, 2024 | Jul 17, 2024 | A · derivative | 20,000 | $2.90 | $58,000 | 20,000 | No | Form 4 |
| Reich Samuel JCEO & EXECUTIVE CHAIRMAN | Jul 15, 2024 | Jul 17, 2024 | A · derivative | 35,700 | $2.90 | $103,530 | 35,700 | No | Form 4 |
| Link David Charles | Jul 15, 2024 | Jul 17, 2024 | A · derivative | 20,000 | $2.90 | $58,000 | 20,000 | No | Form 4 |
| Link David Charles | Jul 15, 2024 | Jul 17, 2024 | A · derivative | 9,305 | $2.90 | $26,985 | 9,305 | No | Form 4 |
| Skyler Jay S | Jul 15, 2024 | Jul 17, 2024 | A · derivative | 20,000 | $2.90 | $58,000 | 20,000 | No | Form 4 |
| Skyler Jay S | Jul 15, 2024 | Jul 17, 2024 | A · derivative | 35,000 | $2.90 | $101,500 | 35,000 | No | Form 4 |
| Reich Samuel JCEO & EXECUTIVE CHAIRMAN | Feb 21, 2024 | Feb 23, 2024 | A · derivative | 434,000 | $5.17 | $2,243,780 | 434,000 | No | Form 4 |
| King MichaelCHIEF FINANCIAL OFFICER | Feb 21, 2024 | Feb 23, 2024 | A · derivative | 115,000 | $5.17 | $594,550 | 115,000 | No | Form 4 |
| Bausch Christoph LawrenceCHIEF OPERATING OFFICER | Feb 21, 2024 | Feb 23, 2024 | A · derivative | 140,000 | $5.17 | $723,800 | 140,000 | No | Form 4 |
| Sullivan Eddie JoePRESIDENT | Feb 21, 2024 | Feb 23, 2024 | A · derivative | 190,000 | $5.17 | $982,300 | 190,000 | No | Form 4 |
| Kropotova AlexandraCHIEF MEDICAL OFFICER | Feb 21, 2024 | Feb 23, 2024 | A · derivative | 140,000 | $5.17 | $723,800 | 140,000 | No | Form 4 |
| Sullivan Eddie JoeChief Executive Officer | Dec 7, 2023 | Dec 8, 2023 | P | 1,740 | $0.88 | Purchase +$1,531 | 5,232,304 | No | Form 4 |
| King MichaelCHIEF FINANCIAL OFFICER | Nov 30, 2023 | Nov 30, 2023 | P | 5,000 | $0.90 | Purchase +$4,500 | 5,000 | No | Form 4 |
| Reich Samuel JExecutive Chairman | Nov 29, 2023 | Nov 30, 2023 | P | 11,000 | $0.89 | Purchase +$9,790 | 219,001 | No | Form 4 |
| Ellias Helen K. | Nov 24, 2023 | Nov 28, 2023 | M | 2,857,142 | not reported | not reported | 2,857,142 | No | Form 4 |
| Ellias Helen K. | Nov 24, 2023 | Nov 28, 2023 | M · derivative | 1,800 | $1,000.00 | $1,800,000 | not reported | No | Form 4 |
| Moin Andrew | Nov 24, 2023 | Nov 28, 2023 | M | 4,584,571 | not reported | not reported | 4,584,571 | No | Form 4 |
| Moin Andrew | Nov 24, 2023 | Nov 28, 2023 | M · derivative | 31,269 | $1,000.00 | $31,269,000 | not reported | No | Form 4 |
| Moin Andrew | Nov 24, 2023 | Nov 28, 2023 | M · derivative | 28,380 | $1,000.00 | $28,380,000 | 28,380 | No | Form 4 |
| Sessa Capital IM GP, LLC | Nov 24, 2023 | Nov 28, 2023 | M | 4,584,571 | not reported | not reported | 4,584,571 | No | Form 4 |
| Sessa Capital IM GP, LLC | Nov 24, 2023 | Nov 28, 2023 | M · derivative | 31,269 | $1,000.00 | $31,269,000 | not reported | No | Form 4 |
| Sessa Capital IM GP, LLC | Nov 24, 2023 | Nov 28, 2023 | M · derivative | 28,380 | $1,000.00 | $28,380,000 | 28,380 | No | Form 4 |
| Moin Andrew | Nov 13, 2023 | Nov 15, 20234/A | A · derivative | 13,269 | $1,000.00 | $13,269,000 | 31,269 | No | Form 4/A |
| Petry John | Nov 13, 2023 | Nov 15, 20234/A | A · derivative | 13,269 | $1,000.00 | $13,269,000 | 31,269 | No | Form 4/A |
| King MichaelCHIEF FINANCIAL OFFICER | Oct 30, 2023 | Nov 3, 2023 | A · derivative | 850,000 | $0.80 | $680,000 | 850,000 | No | Form 4 |
| Moin Andrew | Oct 23, 2023 | Oct 24, 2023 | A · derivative | 16,269 | $1,000.00 | $16,269,000 | 18,000 | No | Form 4 |
| Moin Andrew | Oct 23, 2023 | Oct 24, 2023 | M · derivative | 16,269 | $1,000.00 | $16,269,000 | not reported | No | Form 4 |
| Petry John | Oct 23, 2023 | Oct 24, 2023 | A · derivative | 16,269 | $1,000.00 | $16,269,000 | 18,000 | No | Form 4 |
| Petry John | Oct 23, 2023 | Oct 24, 2023 | M · derivative | 16,269 | $1,000.00 | $16,269,000 | not reported | No | Form 4 |