HOWL insider transaction filings
Werewolf Therapeutics, Inc. — 50 most recent Form 4 filings from SEC EDGAR, normalized by FilingPulse. Latest filing: 2026-07-08. Screen HOWL transaction legs live →
| Filed | Form | Insider | Reported transactions | Source |
|---|---|---|---|---|
| 2026-07-08 | 4 | EVNIN LUKE — Director | Sale (S): 35,770 @ $0.32 · Sale (S): 107,429 @ $0.31 | EDGAR |
| 2026-06-29 | 4 | EVNIN LUKE — Director | Sale (S): 157,084 @ $0.30 | EDGAR |
| 2026-06-22 | 4 | RA CAPITAL MANAGEMENT, L.P. — 10% owner RA Capital Healthcare Fund LP — 10% owner Kolchinsky Peter — 10% owner Shah Rajeev M. — 10% owner | Sale (S): 389,216 @ $0.35 · Sale (S): 27,695 @ $0.35 | EDGAR |
| 2026-06-16 | 4 | RA CAPITAL MANAGEMENT, L.P. — 10% owner RA Capital Healthcare Fund LP — 10% owner Kolchinsky Peter — 10% owner Shah Rajeev M. — 10% owner | Sale (S): 159,119 @ $0.40 · Sale (S): 11,322 @ $0.40 · Sale (S): 120,216 @ $0.39 · Sale (S): 8,554 @ $0.39 · Sale (S): 139,686 @ $0.37 · Sale (S): 9,939 @ $0.37 | EDGAR |
| 2026-06-11 | 4 | RA CAPITAL MANAGEMENT, L.P. — 10% owner RA Capital Healthcare Fund LP — 10% owner Kolchinsky Peter — 10% owner Shah Rajeev M. — 10% owner | Sale (S): 345,235 @ $0.37 · Sale (S): 24,565 @ $0.37 · Sale (S): 42,872 @ $0.37 · Sale (S): 3,051 @ $0.37 · Sale (S): 245,066 @ $0.38 · Sale (S): 17,437 @ $0.38 | EDGAR |
| 2026-06-10 | 4 | EVNIN LUKE — Director | Sale (S): 76,928 @ $0.37 | EDGAR |
| 2026-06-08 | 4 | EVNIN LUKE — Director | Sale (S): 20,072 @ $0.44 · Sale (S): 24,946 @ $0.40 · Sale (S): 60,547 @ $0.40 | EDGAR |
| 2026-06-03 | 4 | EVNIN LUKE — Director | Sale (S): 80,459 @ $0.47 · Sale (S): 29,595 @ $0.45 · Sale (S): 29,749 @ $0.42 | EDGAR |
| 2026-05-29 | 4 | EVNIN LUKE — Director | Sale (S): 80,852 @ $0.48 · Sale (S): 27,698 @ $0.46 · Sale (S): 32,556 @ $0.45 | EDGAR |
| 2026-05-26 | 4 | EVNIN LUKE — Director | Sale (S): 36,387 @ $0.42 · Sale (S): 87,425 @ $0.45 · Sale (S): 67,950 @ $0.47 | EDGAR |
| 2026-05-20 | 4 | EVNIN LUKE — Director | Sale (S): 22,184 @ $0.50 · Sale (S): 62,970 @ $0.45 · Sale (S): 85,895 @ $0.43 | EDGAR |
| 2026-05-13 | 4 | EVNIN LUKE — Director | Sale (S): 44,679 @ $0.54 | EDGAR |
| 2026-05-12 | 4 | RA CAPITAL MANAGEMENT, L.P. — 10% owner RA Capital Healthcare Fund LP — 10% owner Kolchinsky Peter — 10% owner Shah Rajeev M. — 10% owner | Sale (S): 351,514 @ $0.71 · Sale (S): 25,012 @ $0.71 · Sale (S): 81,678 @ $0.67 · Sale (S): 5,812 @ $0.67 · Sale (S): 94,432 @ $0.64 · Sale (S): 6,719 @ $0.64 | EDGAR |
| 2026-05-12 | 4 | EVNIN LUKE — Director | Sale (S): 305,741 @ $0.70 · Sale (S): 33,948 @ $0.67 · Sale (S): 67,885 @ $0.64 | EDGAR |
| 2026-05-07 | 4 | EVNIN LUKE — Director | Sale (S): 6,860 @ $0.69 · Sale (S): 14,635 @ $0.66 · Sale (S): 79,086 @ $0.63 | EDGAR |
| 2026-05-04 | 4 | EVNIN LUKE — Director | Sale (S): 168,262 @ $0.72 · Sale (S): 58,394 @ $0.73 · Sale (S): 47,963 @ $0.72 | EDGAR |
| 2026-04-29 | 4 | EVNIN LUKE — Director | Sale (S): 53,940 @ $0.85 · Sale (S): 95,412 @ $0.73 · Sale (S): 56,559 @ $0.69 | EDGAR |
| 2026-01-20 | 4 | EVNIN LUKE — Director | Sale (S): 38,782 @ $0.54 | EDGAR |
| 2026-01-15 | 4 | EVNIN LUKE — Director | Sale (S): 43,198 @ $0.55 · Sale (S): 30,616 @ $0.57 · Sale (S): 37,413 @ $0.55 | EDGAR |
| 2026-01-12 | 4 | EVNIN LUKE — Director | Sale (S): 7,716 @ $0.63 · Sale (S): 24,678 @ $0.61 · Sale (S): 58,980 @ $0.57 | EDGAR |
| 2026-01-07 | 4 | EVNIN LUKE — Director | Sale (S): 18,378 @ $0.64 · Sale (S): 40,761 @ $0.65 · Sale (S): 11,915 @ $0.64 | EDGAR |
| 2026-01-02 | 4 | EVNIN LUKE — Director | Sale (S): 34,847 @ $0.61 · Sale (S): 24,962 @ $0.62 · Sale (S): 18,568 @ $0.63 | EDGAR |
| 2025-12-29 | 4 | EVNIN LUKE — Director | Sale (S): 59,307 @ $0.69 · Sale (S): 71,428 @ $0.63 · Sale (S): 16,310 @ $0.65 · Sale (S): 35,632 @ $0.63 · Sale (S): 108,606 @ $0.61 | EDGAR |
| 2025-12-17 | 4 | EVNIN LUKE — Director | Sale (S): 23,640 @ $1.07 · Sale (S): 14,548 @ $1.05 · Sale (S): 9,983 @ $1.14 | EDGAR |
| 2025-12-12 | 4 | EVNIN LUKE — Director | Sale (S): 37,104 @ $1.06 · Sale (S): 28,009 @ $1.07 · Sale (S): 17,858 @ $1.08 | EDGAR |
| 2025-12-09 | 4 | EVNIN LUKE — Director | Sale (S): 16,568 @ $0.97 · Sale (S): 34,041 @ $0.99 · Sale (S): 44,570 @ $1.01 | EDGAR |
| 2025-12-04 | 4 | MPM BioVentures 2014, L.P. MPM BioVentures 2014 (B), L.P. MPM BioVentures 2014 LLC MPM BioVentures 2014 GP LLC MPM Asset Management Investors BV2014 LLC | Sale (S): 59,277 @ $0.89 · Sale (S): 57,225 @ $0.87 · Sale (S): 83,230 @ $0.97 | EDGAR |
| 2025-12-04 | 4 | EVNIN LUKE — Director | Sale (S): 38,043 @ $0.89 · Sale (S): 36,726 @ $0.87 · Sale (S): 53,416 @ $0.97 | EDGAR |
| 2025-12-04 | 4 | GADICKE ANSBERT MPM ONCOLOGY INNOVATIONS FUND LP UBS Oncology Impact Fund L.P. Oncology Impact Fund (Cayman) Management L.P. MPM BioImpact LLC MPM Oncology Innovations Fund GP LLC MPM ASSET MANAGEMENT LLC | Sale (S): 59,277 @ $0.89 · Sale (S): 57,225 @ $0.87 · Sale (S): 83,230 @ $0.97 | EDGAR |
| 2025-12-01 | 4 | MPM BioVentures 2014, L.P. — 10% owner MPM BioVentures 2014 (B), L.P. — 10% owner MPM BioVentures 2014 LLC — 10% owner MPM BioVentures 2014 GP LLC — 10% owner MPM Asset Management Investors BV2014 LLC — 10% owner | Sale (S): 60,733 @ $0.98 · Sale (S): 20,277 @ $0.99 · Sale (S): 60,917 @ $0.94 | EDGAR |
| 2025-12-01 | 4 | EVNIN LUKE — Director | Sale (S): 38,978 @ $0.98 · Sale (S): 13,014 @ $0.99 · Sale (S): 39,096 @ $0.94 | EDGAR |
| 2025-12-01 | 4 | GADICKE ANSBERT — 10% owner MPM ONCOLOGY INNOVATIONS FUND LP — 10% owner UBS Oncology Impact Fund L.P. — 10% owner Oncology Impact Fund (Cayman) Management L.P. — 10% owner MPM BioImpact LLC — 10% owner MPM Oncology Innovations Fund GP LLC — 10% owner MPM ASSET MANAGEMENT LLC — 10% owner | Sale (S): 60,733 @ $0.98 · Sale (S): 20,277 @ $0.99 · Sale (S): 60,917 @ $0.94 | EDGAR |
| 2025-11-25 | 4 | MPM BioVentures 2014, L.P. — 10% owner MPM BioVentures 2014 (B), L.P. — 10% owner MPM BioVentures 2014 LLC — 10% owner MPM BioVentures 2014 GP LLC — 10% owner MPM Asset Management Investors BV2014 LLC — 10% owner | Sale (S): 64,331 @ $0.83 · Sale (S): 88,802 @ $0.98 · Sale (S): 42,533 @ $0.92 | EDGAR |
| 2025-11-25 | 4 | EVNIN LUKE — Director | Sale (S): 41,287 @ $0.83 · Sale (S): 56,992 @ $0.98 · Sale (S): 27,297 @ $0.92 | EDGAR |
| 2025-11-25 | 4 | GADICKE ANSBERT — 10% owner MPM ONCOLOGY INNOVATIONS FUND LP — 10% owner UBS Oncology Impact Fund L.P. — 10% owner Oncology Impact Fund (Cayman) Management L.P. — 10% owner MPM BioImpact LLC — 10% owner MPM Oncology Innovations Fund GP LLC — 10% owner MPM ASSET MANAGEMENT LLC — 10% owner | Sale (S): 64,331 @ $0.83 · Sale (S): 88,802 @ $0.98 · Sale (S): 42,533 @ $0.92 | EDGAR |
| 2025-11-20 | 4 | MPM BioVentures 2014, L.P. — 10% owner MPM BioVentures 2014 (B), L.P. — 10% owner MPM BioVentures 2014 LLC — 10% owner MPM BioVentures 2014 GP LLC — 10% owner MPM Asset Management Investors BV2014 LLC — 10% owner | Sale (S): 52,627 @ $0.93 · Sale (S): 66,324 @ $0.94 · Sale (S): 41,152 @ $0.89 | EDGAR |
| 2025-11-20 | 4 | EVNIN LUKE — Director | Sale (S): 33,776 @ $0.93 · Sale (S): 42,566 @ $0.94 · Sale (S): 26,411 @ $0.89 | EDGAR |
| 2025-11-20 | 4 | GADICKE ANSBERT — 10% owner MPM ONCOLOGY INNOVATIONS FUND LP — 10% owner UBS Oncology Impact Fund L.P. — 10% owner Oncology Impact Fund (Cayman) Management L.P. — 10% owner MPM BioImpact LLC — 10% owner MPM Oncology Innovations Fund GP LLC — 10% owner MPM ASSET MANAGEMENT LLC — 10% owner | Sale (S): 52,627 @ $0.93 · Sale (S): 66,324 @ $0.94 · Sale (S): 41,152 @ $0.89 | EDGAR |
| 2025-11-17 | 4 | MPM BioVentures 2014, L.P. — 10% owner MPM BioVentures 2014 (B), L.P. — 10% owner MPM BioVentures 2014 LLC — 10% owner MPM BioVentures 2014 GP LLC — 10% owner MPM Asset Management Investors BV2014 LLC — 10% owner | Sale (S): 90,951 @ $0.98 · Sale (S): 61,640 @ $0.93 · Sale (S): 57,061 @ $0.95 | EDGAR |
| 2025-11-17 | 4 | EVNIN LUKE — Director | Sale (S): 58,372 @ $0.98 · Sale (S): 39,560 @ $0.93 · Sale (S): 36,621 @ $0.95 | EDGAR |
| 2025-11-17 | 4 | GADICKE ANSBERT — 10% owner MPM ONCOLOGY INNOVATIONS FUND LP — 10% owner UBS Oncology Impact Fund L.P. — 10% owner Oncology Impact Fund (Cayman) Management L.P. — 10% owner MPM BioImpact LLC — 10% owner MPM Oncology Innovations Fund GP LLC — 10% owner MPM ASSET MANAGEMENT LLC — 10% owner | Sale (S): 90,951 @ $0.98 · Sale (S): 61,640 @ $0.93 · Sale (S): 57,061 @ $0.95 | EDGAR |
| 2025-11-12 | 4 | MPM BioVentures 2014, L.P. — 10% owner MPM BioVentures 2014 (B), L.P. — 10% owner MPM BioVentures 2014 LLC — 10% owner MPM BioVentures 2014 GP LLC — 10% owner MPM Asset Management Investors BV2014 LLC — 10% owner | Sale (S): 68,480 @ $1.11 · Sale (S): 48,570 @ $1.18 · Sale (S): 55,810 @ $1.14 · Sale (S): 40,669 @ $1.09 | EDGAR |
| 2025-11-12 | 4 | EVNIN LUKE — Director | Sale (S): 43,950 @ $1.11 · Sale (S): 31,172 @ $1.18 · Sale (S): 35,818 @ $1.14 · Sale (S): 26,101 @ $1.09 | EDGAR |
| 2025-11-12 | 4 | GADICKE ANSBERT — 10% owner MPM ONCOLOGY INNOVATIONS FUND LP — 10% owner UBS Oncology Impact Fund L.P. — 10% owner Oncology Impact Fund (Cayman) Management L.P. — 10% owner MPM BioImpact LLC — 10% owner MPM Oncology Innovations Fund GP LLC — 10% owner MPM ASSET MANAGEMENT LLC — 10% owner | Sale (S): 68,480 @ $1.11 · Sale (S): 48,570 @ $1.18 · Sale (S): 55,810 @ $1.14 · Sale (S): 40,669 @ $1.09 | EDGAR |
| 2025-11-06 | 4 | MPM BioVentures 2014, L.P. — 10% owner MPM BioVentures 2014 (B), L.P. — 10% owner MPM BioVentures 2014 LLC — 10% owner MPM BioVentures 2014 GP LLC — 10% owner MPM Asset Management Investors BV2014 LLC — 10% owner | Sale (S): 140,488 @ $1.22 · Sale (S): 47,950 @ $1.22 · Sale (S): 54,452 @ $1.21 | EDGAR |
| 2025-11-06 | 4 | EVNIN LUKE — Director | Sale (S): 90,164 @ $1.22 · Sale (S): 30,774 @ $1.22 · Sale (S): 34,947 @ $1.21 | EDGAR |
| 2025-11-06 | 4 | GADICKE ANSBERT — 10% owner MPM ONCOLOGY INNOVATIONS FUND LP — 10% owner UBS Oncology Impact Fund L.P. — 10% owner Oncology Impact Fund (Cayman) Management L.P. — 10% owner MPM BioImpact LLC — 10% owner MPM Oncology Innovations Fund GP LLC — 10% owner MPM ASSET MANAGEMENT LLC — 10% owner | Sale (S): 140,488 @ $1.22 · Sale (S): 47,950 @ $1.22 · Sale (S): 54,452 @ $1.21 | EDGAR |
| 2025-11-03 | 4 | MPM BioVentures 2014, L.P. — 10% owner MPM BioVentures 2014 (B), L.P. — 10% owner MPM BioVentures 2014 LLC — 10% owner MPM BioVentures 2014 GP LLC — 10% owner MPM Asset Management Investors BV2014 LLC — 10% owner | Sale (S): 86,936 @ $1.43 · Sale (S): 114,044 @ $1.28 · Sale (S): 94,063 @ $1.29 | EDGAR |
| 2025-11-03 | 4 | EVNIN LUKE — Director | Sale (S): 55,795 @ $1.43 · Sale (S): 73,192 @ $1.28 · Sale (S): 60,369 @ $1.29 | EDGAR |
| 2025-11-03 | 4 | GADICKE ANSBERT — 10% owner MPM ONCOLOGY INNOVATIONS FUND LP — 10% owner UBS Oncology Impact Fund L.P. — 10% owner Oncology Impact Fund (Cayman) Management L.P. — 10% owner MPM BioImpact LLC — 10% owner MPM Oncology Innovations Fund GP LLC — 10% owner MPM ASSET MANAGEMENT LLC — 10% owner | Sale (S): 86,936 @ $1.43 · Sale (S): 114,044 @ $1.28 · Sale (S): 94,063 @ $1.29 | EDGAR |
Recent 8-K events — Werewolf Therapeutics, Inc.
| Filed | Form | Items reported | Source |
|---|---|---|---|
| 2026-08-21 | 8-K | 1.01 — Entry into a Material Definitive Agreement 3.02 — Unregistered Sales of Equity Securities 7.01 — Regulation FD Disclosure 9.01 — Financial Statements and Exhibits | EDGAR |
| 2026-08-20 | 8-K | 1.01 — Entry into a Material Definitive Agreement | EDGAR |
| 2026-07-31 | 8-K | 2.02 — Results of Operations and Financial Condition 9.01 — Financial Statements and Exhibits | EDGAR |
| 2026-05-07 | 8-K | 2.02 — Results of Operations and Financial Condition 9.01 — Financial Statements and Exhibits | EDGAR |
| 2026-03-27 | 8-K | 2.02 — Results of Operations and Financial Condition 9.01 — Financial Statements and Exhibits | EDGAR |
| 2026-02-24 | 8-K | 8.01 — Other Events 9.01 — Financial Statements and Exhibits | EDGAR |
| 2026-02-13 | 8-K | ? 5.02 — Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers 7.01 — Regulation FD Disclosure | EDGAR |
| 2026-02-06 | 8-K | 3.01 — Notice of Delisting or Failure to Satisfy a Continued Listing Rule or Standard; Transfer of Listing | EDGAR |
| 2025-12-18 | 8-K | 8.01 — Other Events 9.01 — Financial Statements and Exhibits | EDGAR |
| 2025-11-04 | 8-K | 2.02 — Results of Operations and Financial Condition 9.01 — Financial Statements and Exhibits | EDGAR |
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