Deerfield Mgmt III, L.P. — SEC Form 4 filings

SEC reporting owner CIK 1610540. 7 Form 4 filings on record with FilingPulse; latest filed 2026-06-11.

Transaction summary — filings shown

Covers all 7 filings on record, filed 2024-02-08 to 2026-06-11. Counts and totals are arithmetic on values as filed — descriptive data, not a recommendation.

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.

IssuerRole (as filed)FilingsPurchases (P)Sales (S)Other legs
Larimar Therapeutics, Inc. (LRMR)Director, 10% owner310 legs · 18,665,617 sh · $92,499,993
ARS Pharmaceuticals, Inc. (SPRY)10% owner210 legs · 1,303,419 sh · $23,806,856
Parabilis Medicines, Inc. (PBLS)10% owner116
Fractyl Health, Inc. (GUTS)10% owner14

Form 4 filings — Deerfield Mgmt III, L.P.

FiledFormIssuerReported transactionsSource
2026-06-114Parabilis Medicines, Inc. (PBLS)
jointly with Flynn James E, Deerfield Mgmt HIF, L.P., DEERFIELD MANAGEMENT COMPANY, L.P., Deerfield Healthcare Innovations Fund, L.P., Deerfield Private Design Fund III, L.P.
Conversion (C): 122,990 · Conversion (C): 122,990 · Conversion (C): 149,238 · Conversion (C): 149,238 · Conversion (C): 260,992 · Conversion (C): 260,992 · +10 moreEDGAR
2026-03-024Larimar Therapeutics, Inc. (LRMR)
jointly with Flynn James E, DEERFIELD MANAGEMENT COMPANY, L.P., Deerfield Mgmt HIF, L.P., Deerfield Mgmt IV, L.P., Deerfield Mgmt L.P., Deerfield Private Design Fund III, L.P., Deerfield Healthcare Innovations Fund, L.P., Deerfield Private Design Fund IV, L.P., DEERFIELD PARTNERS, L.P.
Purchase (P): 1,084,010 @ $5 · Purchase (P): 1,084,012 @ $5 · Purchase (P): 831,978 @ $5 · Purchase (P): 2,000,000 @ $5EDGAR
2025-08-044Larimar Therapeutics, Inc. (LRMR)
jointly with Flynn James E, DEERFIELD MANAGEMENT COMPANY, L.P., Deerfield Mgmt HIF, L.P., Deerfield Mgmt IV, L.P., Deerfield Mgmt L.P., Deerfield Private Design Fund III, L.P., Deerfield Healthcare Innovations Fund, L.P., Deerfield Private Design Fund IV, L.P., DEERFIELD PARTNERS, L.P.
Purchase (P): 3,387,529 @ $3.20 · Purchase (P): 3,387,539 @ $3.20 · Purchase (P): 2,599,932 @ $3.20EDGAR
2025-07-014ARS Pharmaceuticals, Inc. (SPRY)
jointly with Flynn James E, DEERFIELD MANAGEMENT COMPANY, L.P. (SERIES C), Deerfield Private Design Fund III, L.P., Deerfield Mgmt IV, L.P., Deerfield Private Design Fund IV, L.P.
Sale (S): 370,075 @ $18.46 · Sale (S): 370,074 @ $18.46EDGAR
2024-11-134ARS Pharmaceuticals, Inc. (SPRY)
jointly with Flynn James E, DEERFIELD MANAGEMENT COMPANY, L.P. (SERIES C), Deerfield Private Design Fund III, L.P., Deerfield Mgmt IV, L.P., Deerfield Private Design Fund IV, L.P.
Sale (S): 40,596 @ $17.45 · Sale (S): 40,596 @ $17.45 · Sale (S): 223,632 @ $18.15 · Sale (S): 223,632 @ $18.15 · Sale (S): 7,853 @ $17.16 · Sale (S): 7,854 @ $17.16 · +2 moreEDGAR
2024-02-164Larimar Therapeutics, Inc. (LRMR)
jointly with Flynn James E, DEERFIELD MANAGEMENT COMPANY, L.P. (SERIES C), Deerfield Mgmt HIF, L.P., Deerfield Mgmt IV, L.P., Deerfield Mgmt L.P., Deerfield Private Design Fund III, L.P., Deerfield Healthcare Innovations Fund, L.P., Deerfield Private Design Fund IV, L.P., DEERFIELD PARTNERS, L.P.
Purchase (P): 1,430,206 @ $8.74 · Purchase (P): 1,430,206 @ $8.74 · Purchase (P): 1,430,205 @ $8.74EDGAR
2024-02-084Fractyl Health, Inc. (GUTS)
jointly with Flynn James E, Deerfield Private Design Fund III, L.P., DEERFIELD MANAGEMENT COMPANY, L.P. (SERIES C)
Conversion (C): 757,548 · Conversion (C): 76,706 · Conversion (C): 1,625,699 (derivative) · Conversion (C): 164,612 (derivative)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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