Cormorant Global Healthcare Master Fund, LP — SEC Form 4 filings
SEC reporting owner CIK 1618442. 20 Form 4 filings on record with FilingPulse; latest filed 2026-08-10.
Transaction summary — filings shown
Covers all 20 filings on record, filed 2024-01-11 to 2026-08-10. Counts and totals are arithmetic on values as filed — descriptive data, not a recommendation.
- Open-market purchases (code P, non-derivative): 49 legs across 9 filings — 4,954,488 shares, $99,549,915 total (shares × price as filed).
- Open-market sales (code S, non-derivative): 23 legs across 8 filings — 9,846,168 shares, $65,260,003 total (shares × price as filed).
- Other reported legs (grants, option exercises, tax withholding, gifts, derivative-security transactions, …): 7.
- Largest priced transaction: sale of 3,390,943 shares @ $7.58 ($25,703,348) in MoonLake Immunotherapeutics, filed 2025-10-01.
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 |
|---|---|---|---|---|---|
| Corbus Pharmaceuticals Holdings, Inc. (CRBP) | 10% owner | 5 | 31 legs · 1,932,632 sh · $53,693,261 | 1 leg · 30,029 sh · $344,012 | — |
| MoonLake Immunotherapeutics (MLTX) | — | 1 | — | 5 legs · 6,499,978 sh · $46,868,184 | — |
| EyePoint, Inc. (EYPT) | — | 4 | 6 legs · 2,286,765 sh · $37,622,267 | 1 leg · 60,000 sh · $942,240 | — |
| BRIGHT MINDS BIOSCIENCES INC. (DRUG) | — | 2 | 11 legs · 422,591 sh · $3,234,387 | 1 leg · 109,331 sh · $9,785,124 | — |
| BlossomHill Therapeutics, Inc. (BLSM) | 10% owner | 1 | 1 leg · 312,500 sh · $5,000,000 | — | 5 |
| Immuneering Corp (IMRX) | 10% owner | 2 | — | 13 legs · 1,309,091 sh · $3,909,184 | — |
| OnKure Therapeutics, Inc. (OKUR) | — | 2 | — | 2 legs · 1,837,739 sh · $3,411,258 | — |
| Biomea Fusion, Inc. (BMEA) | — | 3 | — | — | 2 |
Form 4 filings — Cormorant Global Healthcare Master Fund, LP
| Filed | Form | Issuer | Reported transactions | Source |
|---|---|---|---|---|
| 2026-08-10 | 4 | BlossomHill Therapeutics, Inc. (BLSM) jointly with Chen Bihua, Cormorant Asset Management, LP, Cormorant Private Healthcare Fund III LP, Cormorant Private Healthcare Fund V LP, Cormorant Private Healthcare Fund VI, LP | Conversion (C): 1,599,993 · Conversion (C): 1,701,541 · Purchase (P): 312,500 @ $16 · Grant/award (A): 23,904 (derivative) @ $0 · Conversion (C): 1,599,993 (derivative) · Conversion (C): 1,701,541 (derivative) | EDGAR |
| 2026-04-30 | 4 | BRIGHT MINDS BIOSCIENCES INC. (DRUG) jointly with Cormorant Asset Management, LP, Chen Bihua | Sale (S): 109,331 @ $89.50 | EDGAR |
| 2025-12-15 | 4 | Corbus Pharmaceuticals Holdings, Inc. (CRBP) jointly with Cormorant Asset Management, LP, Chen Bihua | Sale (S): 30,029 @ $11.46 | EDGAR |
| 2025-12-08 | 4 | EyePoint, Inc. (EYPT) jointly with Cormorant Asset Management, LP, Chen Bihua | Sale (S): 60,000 @ $15.70 | EDGAR |
| 2025-10-01 | 4 | MoonLake Immunotherapeutics (MLTX) jointly with Chen Bihua, Cormorant Asset Management, LP, Cormorant Private Healthcare Fund II, LP, Cormorant Private Healthcare Fund III LP, Cormorant Private Healthcare Fund IV LP | Sale (S): 70,748 @ $9.38 · Sale (S): 232,460 @ $8.40 · Sale (S): 3,390,943 @ $7.58 · Sale (S): 2,800,000 @ $6.61 · Sale (S): 5,827 @ $6.96 | EDGAR |
| 2025-08-01 | 4 | Biomea Fusion, Inc. (BMEA) jointly with Chen Bihua, Cormorant Private Healthcare Fund III LP, Cormorant Asset Management, LP | Holdings only — no transactions reported | EDGAR |
| 2025-06-13 | 4 | Biomea Fusion, Inc. (BMEA) jointly with Chen Bihua, Cormorant Private Healthcare Fund III LP, Cormorant Asset Management, LP | Grant/award (A): 91,970 (derivative) @ $0 | EDGAR |
| 2025-05-19 | 4 | OnKure Therapeutics, Inc. (OKUR) jointly with Cormorant Asset Management, LP, Cormorant Private Healthcare Fund III LP, Cormorant Private Healthcare Fund IV LP, Cormorant Private Healthcare Fund V LP, Chen Bihua | Sale (S): 1,813,439 @ $1.85 | EDGAR |
| 2025-05-14 | 4 | OnKure Therapeutics, Inc. (OKUR) jointly with Cormorant Asset Management, LP, Cormorant Private Healthcare Fund III LP, Cormorant Private Healthcare Fund IV LP, Cormorant Private Healthcare Fund V LP, Chen Bihua | Sale (S): 24,300 @ $1.99 | EDGAR |
| 2024-10-17 | 4 | BRIGHT MINDS BIOSCIENCES INC. (DRUG) jointly with Cormorant Asset Management, LP, Chen Bihua | Purchase (P): 238,097 @ $4.53 · Purchase (P): 63,173 @ $5.92 · Purchase (P): 33,343 @ $6.42 · Purchase (P): 8,900 @ $7.31 · Purchase (P): 2,600 @ $8.80 · Purchase (P): 2,700 @ $9.26 · +5 more | EDGAR |
| 2024-09-24 | 4 | Corbus Pharmaceuticals Holdings, Inc. (CRBP) jointly with Cormorant Asset Management, LP, Chen Bihua | Purchase (P): 45,085 @ $17.48 · Purchase (P): 25,943 @ $18.36 · Purchase (P): 66,088 @ $19.61 · Purchase (P): 139,551 @ $20.42 · Purchase (P): 47,564 @ $21.47 · Purchase (P): 25,769 @ $22.23 | EDGAR |
| 2024-06-13 | 4 | Biomea Fusion, Inc. (BMEA) jointly with Chen Bihua, Cormorant Private Healthcare Fund III LP, Cormorant Asset Management, LP | Grant/award (A): 51,025 (derivative) @ $0 | EDGAR |
| 2024-05-08 | 4 | EyePoint Pharmaceuticals, Inc. (EYPT) jointly with Cormorant Asset Management, LP, Chen Bihua | Purchase (P): 642,847 @ $11.70 · Purchase (P): 207,153 @ $12.36 | EDGAR |
| 2024-04-22 | 4 | EyePoint Pharmaceuticals, Inc. (EYPT) jointly with Cormorant Asset Management, LP, Chen Bihua | Purchase (P): 395,244 @ $17.62 · Purchase (P): 186,521 @ $18.90 | EDGAR |
| 2024-04-03 | 4 | Immuneering Corp (IMRX) jointly with Cormorant Asset Management, LP, Chen Bihua, Cormorant Private Healthcare Fund III LP | Sale (S): 100 @ $3.07 · Sale (S): 300 @ $3.06 · Sale (S): 100 @ $3.05 · Sale (S): 600 @ $3.03 · Sale (S): 10 @ $3.01 · Sale (S): 10 @ $2.98 · +2 more | EDGAR |
| 2024-03-18 | 4 | Immuneering Corp (IMRX) jointly with Cormorant Asset Management, LP, Chen Bihua, Cormorant Private Healthcare Fund III LP | Sale (S): 345,266 @ $3.23 · Sale (S): 98,570 @ $4.25 · Sale (S): 54,215 @ $5.37 · Sale (S): 11,040 @ $5.97 · Sale (S): 400,000 @ $2.14 | EDGAR |
| 2024-03-11 | 4 | Corbus Pharmaceuticals Holdings, Inc. (CRBP) jointly with Cormorant Asset Management, LP, Chen Bihua | Purchase (P): 46,799 @ $37.82 · Purchase (P): 10,736 @ $39.13 · Purchase (P): 90,325 @ $39.99 · Purchase (P): 102,140 @ $41.23 · Purchase (P): 29,342 @ $41.23 · Purchase (P): 24,983 @ $42.25 · +4 more | EDGAR |
| 2024-02-06 | 4 | Corbus Pharmaceuticals Holdings, Inc. (CRBP) jointly with Cormorant Asset Management, LP, Chen Bihua | Purchase (P): 750,000 @ $19 | EDGAR |
| 2024-01-30 | 4 | Corbus Pharmaceuticals Holdings, Inc. (CRBP) jointly with Cormorant Asset Management, LP, Chen Bihua | Purchase (P): 14,388 @ $25.73 · Purchase (P): 15,243 @ $26.66 · Purchase (P): 36,747 @ $27.70 · Purchase (P): 31,028 @ $28.82 · Purchase (P): 29,244 @ $29.42 · Purchase (P): 2,654 @ $31 · +8 more | EDGAR |
| 2024-01-11 | 4 | EyePoint Pharmaceuticals, Inc. (EYPT) jointly with Cormorant Asset Management, LP, Chen Bihua | Purchase (P): 105,000 @ $21.32 · Purchase (P): 750,000 @ $19.75 | EDGAR |
FilingPulse's Form 4 archive currently extends back to 2024-01-10 and is expanding backward through EDGAR history — earlier filings by this insider may not be indexed yet. Names and roles are shown as filed.
Need this as JSON?
GET https://api.filingpulse.io/v1/insider-trades?owner_cik=1618442 returns every filing on this page — normalized, with footnotes and derivative legs — and webhooks push new filings to you in seconds. API docs →