ADAR1 Capital Management GP, LLC — SEC Form 4 filings
SEC reporting owner CIK 1940267. 4 Form 4 filings on record with FilingPulse; latest filed 2025-10-15.
Transaction summary — filings shown
Covers all 4 filings on record, filed 2025-04-11 to 2025-10-15. Counts and totals are arithmetic on values as filed — descriptive data, not a recommendation.
- Open-market purchases (code P, non-derivative): 5 legs across 1 filing — 934,258 shares, $9,464,512 total (shares × price as filed).
- Open-market sales (code S, non-derivative): 3 legs across 1 filing — 5,389,264 shares, $95,659,436 total (shares × price as filed).
- Other reported legs (grants, option exercises, tax withholding, gifts, derivative-security transactions, …): 12.
- Largest priced transaction: sale of 4,391,237 shares @ $17.75 ($77,944,457) in Keros Therapeutics, Inc., filed 2025-10-15.
By issuer — same filings
Open-market purchase/sale legs on non-derivative securities, grouped by issuer. Role is as filed on the newest filing for that issuer. Dollar totals cover priced legs only (shares × price as filed). Ordered by priced transaction value, largest first.
| Issuer | Role (as filed) | Filings | Purchases (P) | Sales (S) | Other legs |
|---|---|---|---|---|---|
| Keros Therapeutics, Inc. (KROS) | 10% owner | 4 | 5 legs · 934,258 sh · $9,464,512 | 3 legs · 5,389,264 sh · $95,659,436 | 12 |
Form 4 filings — ADAR1 Capital Management GP, LLC
| Filed | Form | Issuer | Reported transactions | Source |
|---|---|---|---|---|
| 2025-10-15 | 4 | Keros Therapeutics, Inc. (KROS) jointly with ADAR1 Capital Management, LLC, ADAR1 Partners, LP, Schneeberger Daniel | Sale (S): 4,391,237 @ $17.75 · Sale (S): 254,669 @ $17.75 · Sale (S): 743,358 @ $17.75 | EDGAR |
| 2025-06-24 | 4 | Keros Therapeutics, Inc. (KROS) jointly with ADAR1 Capital Management, LLC, ADAR1 Partners, LP, Schneeberger Daniel | Option exercise/expiry (X): 100 @ $60 · Option exercise/expiry (X): 1,400 @ $70 · Option exercise/expiry (X): 200 @ $70 · Option exercise/expiry (X): 1 (derivative) @ $0 · Option exercise/expiry (X): 14 (derivative) @ $0 · Option exercise/expiry (X): 2 (derivative) @ $0 | EDGAR |
| 2025-06-12 | 4 | Keros Therapeutics, Inc. (KROS) jointly with ADAR1 Capital Management, LLC, ADAR1 Partners, LP, Schneeberger Daniel | Code (E): 300 (derivative) @ $0 · Code (E): 836 (derivative) @ $0 · Code (E): 178 (derivative) @ $0 | EDGAR |
| 2025-04-11 | 4 | Keros Therapeutics, Inc. (KROS) jointly with ADAR1 Capital Management, LLC, ADAR1 Partners, LP, Schneeberger Daniel | Purchase (P): 18,560 @ $9.40 · Purchase (P): 16,365 @ $9.40 · Purchase (P): 325,000 @ $9.86 · Purchase (P): 500,000 @ $10.33 · Purchase (P): 74,333 @ $10.33 · Other (J): 325,000 (derivative) · +2 more | EDGAR |
FilingPulse's Form 4 archive currently extends back to 2024-01-11 and is expanding backward through EDGAR history — earlier filings by this insider may not be indexed yet. Names and roles are shown as filed.
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