Hemab Therapeutics Holdings, Inc.
COAGNasdaqHealthcare · Biological Products, (No Diagnostic Substances) · DE · SEC filings ↗ · Compare ⊕
View price & chart on Yahoo Finance ↗Financials
SEC XBRL · annualNo structured XBRL financials available (common for pre-2009 filers, foreign issuers, or companies that never reported as a US public company).
Clinical trials
ClinicalTrials.gov · ongoing · next readout first- Phase 2Recruitingreadout ~2026-07A Clinical Study to Assess Sutacimig in Participants With Congenital Factor VII Deficiency
- Phase 1/2Recruitingreadout ~2027-07A Study Assessing HMB-002 in Participants With Von Willebrand Disease
- Phase 1/2Active Not Recruitingreadout ~2027-08A Phase 1/2 Study to Investigate Safety, Tolerability, Pharmacokinetics, Pharmacodynamics, and Efficacy of HMB-001 in Glanzmann Thrombasthenia
Interventional studies led by this company. “Readout” is the trial's primary-completion date — an estimate the sponsor reports, not a guarantee.
5%+ owners
SEC Schedule 13D / 13G · last 3 yrs- Ra Capital Management, L.P.Passive (13G)May 11, 2026
- Ai Den-Mab LlcActivist (13D)May 11, 2026
- Deep Track Capital, LpPassive (13G)May 8, 2026
Holders who disclosed a 5%+ stake. 13D signals intent to influence or control; 13G is a passive holding. Latest filing per holder — open it for the exact stake.
Insider transactions
SEC Form 4 · most recent| Insider | Date | Type | Shares | Price |
|---|---|---|---|---|
| Ra Capital Management, L.P.10% owner | May 19, 2026 | Buy | 3,802 | $24.97 |
| Ra Capital Management, L.P.10% owner | May 12, 2026 | Buy | 6,387 | $24.90 |
| Ra Capital Management, L.P.10% owner | May 7, 2026 | Buy | 7,921 | $24.34 |
| Ra Capital Management, L.P.Director | May 4, 2026 | Conversion | 3.6M | — |
| Novo Holdings A/S10% owner | May 4, 2026 | Conversion | 4.2M | — |
| Maraganore JohnDirector | May 4, 2026 | Conversion | 17,974 | — |
Headline trade per Form 4 (officers, directors, 10%+ owners). Buy/sell read from the filing's structured data — blank where a field isn't cleanly tagged.
Short interest
FINRA · bi-monthly| Settlement | Shares short | Days to cover | Δ vs prior |
|---|---|---|---|
| May 15, 2026 | 758,697 | 1.2 | +100.0% |
Shares sold short as reported to FINRA. Days-to-cover = short shares ÷ average daily volume — higher means more potential squeeze pressure.
Material events
SEC Form 8-K · most recent- Results of operationsMay 21, 2026
- Director / officer changeMay 11, 2026
- Amended charter or bylaws · Other material eventMay 4, 2026
Events the company reported on Form 8-K, labelled by the SEC item code it filed under — its own classification, not our interpretation.
Recent SEC filings
All filings ↗- 4May 21, 2026
- 10-QMay 21, 2026
- 8-KMay 21, 2026
- 4May 14, 2026
- 3May 14, 2026
- SCHEDULE 13GMay 11, 2026
- 4May 11, 2026
- SCHEDULE 13DMay 11, 2026
- 8-KMay 11, 2026
- SCHEDULE 13GMay 8, 2026
- 4May 6, 2026
- 4May 6, 2026
- 4May 4, 2026
- 4May 4, 2026
- 4May 4, 2026