SABS — SAB Biotherapeutics, Inc.
Price · 2024-08-26 → 2026-08-21
499 daily closes shownAnonymous view is capped at two years of history. A free account extends it to five, and Pro opens the whole archive back to 2021-02-09.
Performance
Technicals
Others in Healthcare
Measured signals that fired on SABS
| date | signal | measured base rate |
|---|---|---|
| 2026-06-26 | Volume shock without a price move price | -1.33% over 21 days · t = -4.53 · n = 16,432 statistically distinguishable from its control group |
| 2026-05-15 | Institutional holders jumped in a quarter ownership | -0.52% over 21 days · t = -0.38 · n = 1,553 not distinguishable from its control group |
| 2026-05-08 | Volume shock without a price move price | -1.33% over 21 days · t = -4.53 · n = 16,432 statistically distinguishable from its control group |
| 2026-04-24 | Equal lows taken out structure | -0.64% over 21 days · t = -4.75 · n = 55,661 statistically distinguishable from its control group |
| 2026-03-12 | Volume shock without a price move price | -1.33% over 21 days · t = -4.53 · n = 16,432 statistically distinguishable from its control group |
Excess return against a matched control group, on a point-in-time universe that includes delisted companies. Most families do not survive that. How the measurement works →
Insider transactions (Form 4)
| date | insider | what | shares | price | value |
|---|---|---|---|---|---|
| 2026-06-25 | Kropotova Alexandra CHIEF MEDICAL OFFICER | Shares withheld for tax | 988 | — | — |
| 2026-03-24 | Kropotova Alexandra CHIEF MEDICAL OFFICER | Shares withheld for tax | 988 | — | — |
| 2025-12-11 | Kropotova Alexandra CHIEF MEDICAL OFFICER | Shares withheld for tax | 988 | — | — |
| 2025-09-29 | Sessa Capital (Master), L.P. Director | Option exercise | 1.7M | 1.75 | 3.0M |
| 2025-09-29 | Sessa Capital IM, L.P. Director | Option exercise | 1.7M | 1.75 | 3.0M |
| 2025-09-29 | Sessa Capital GP, LLC Director | Option exercise | 1.7M | 1.75 | 3.0M |
| 2025-09-29 | Petry John Director | Option exercise | 1.7M | 1.75 | 3.0M |
| 2025-09-29 | Sessa Capital IM GP, LLC Director | Option exercise | 1.7M | 1.75 | 3.0M |
| 2025-09-29 | Moin Andrew Director | Option exercise | 1.7M | 1.75 | 3.0M |
| 2025-09-19 | Kropotova Alexandra CHIEF MEDICAL OFFICER | Shares withheld for tax | 2.0K | — | — |
Open-market purchases (code P) are the informative ones. Grants, option exercises and tax withholding are compensation mechanics, not decisions. How to read a Form 4 →
Largest institutional holders
| manager | value | shares |
|---|---|---|
| Vivo Capital, LLC | 43.7M | 11.4M |
| Caligan Partners LP | 30.5M | 8.0M |
| PERCEPTIVE ADVISORS LLC | 24.6M | 6.4M |
| RA CAPITAL MANAGEMENT, L.P. | 16.9M | 4.4M |
| Commodore Capital LP | 16.9M | 4.4M |
| Balyasny Asset Management L.P. | 14.4M | 3.8M |
| ADAGE CAPITAL PARTNERS GP, L.L.C. | 13.0M | 3.4M |
| MILLENNIUM MANAGEMENT LLC | 11.6M | 3.0M |
| Woodline Partners LP | 10.9M | 2.9M |
| VANGUARD CAPITAL MANAGEMENT LLC | 9.6M | 2.5M |
13F positions as of 2026-03-31, filed up to 45 days after quarter end. Long-only US equity — shorts and derivatives never appear. What 13F does and does not show →
Latest SEC filings
| form | filed | period | |
|---|---|---|---|
| SCHEDULE 13G/A | 2026-08-14 | — | on EDGAR ↗ |
| SCHEDULE 13G/A | 2026-08-14 | — | on EDGAR ↗ |
| SCHEDULE 13G/A | 2026-08-14 | — | on EDGAR ↗ |
| SCHEDULE 13G/A | 2026-08-14 | — | on EDGAR ↗ |
| SCHEDULE 13G/A | 2026-08-14 | — | on EDGAR ↗ |
| SCHEDULE 13G/A | 2026-08-14 | — | on EDGAR ↗ |
| SCHEDULE 13G | 2026-08-12 | — | on EDGAR ↗ |
| SCHEDULE 13D/A | 2026-08-10 | — | on EDGAR ↗ |
Short selling
This is off-exchange short volume, not short interest: it is flow, not position, and 40–50% is normal because market makers short to fill your buy. Why that number misleads →
Ask the AI about SABS
The assistant reads every block on this page — price history, filings, insider transactions, institutional positions, short volume, macro and the measured base rates — and says what it implies, quoting the number behind each claim and declaring what it does not have.
Everything on this page is live in the terminal.
Charts, filings, insider flow and the AI — open without an account.
Free plan for good. Pro is $69.99/mo, or $4.99 for a 7-day trial. See the plans →