Werewolf Therapeutics, Inc. (HOWL)
Nasdaq: HOWL · Pharmaceutical Preparations · Watertown, MA · filing with the SEC since 2019
Who runs Werewolf Therapeutics, Inc.
Officers and directors as they report to the SEC on Forms 3, 4 and 5, named as filedOfficers reporting now
1
of 6 people with a filing in the last fifteen months
Directors reporting now
5
23 people on the record since 2021
Officerssales are open-market, Sep 30, 2025 to Sep 30, 2026
| Name | Title as filed | First filing | Latest filing | Sales, 12 months |
|---|---|---|---|---|
| Urban Michael J. | VP of Finance & Corp. Contr. | Mar 2026 | Mar 13, 2026 | none |
Directorssales are open-market, Sep 30, 2025 to Sep 30, 2026
| Name | Role | First filing | Latest filing | Sales, 12 months |
|---|---|---|---|---|
| Evnin Luke | director | Apr 2021 | Jul 8, 2026 | 87 · $3.3M |
| Kolchinsky Peter | director | Apr 2021 | Jun 22, 2026 | 6 · $300,000 |
| Ra Capital Healthcare Fund LP | director | Apr 2021 | Jun 22, 2026 | none |
| Ra Capital Management, L.P. | director | Apr 2021 | Jun 22, 2026 | 14 · $700,000 |
| Shah Rajeev M. | director | Apr 2021 | Jun 22, 2026 | none |
Owners of more than 10% of a classsales are open-market, Sep 30, 2025 to Sep 30, 2026
| Name | Role | First filing | Latest filing | Sales, 12 months |
|---|---|---|---|---|
| Gadicke Ansbert | 10% owner | Apr 2021 | Dec 4, 2025 | none |
| Mpm Asset Management Investors Bv2014 LLC | 10% owner | Apr 2021 | Dec 4, 2025 | 6 · $500,000 |
| Mpm Asset Management LLC | 10% owner | Mar 2025 | Dec 4, 2025 | none |
| Mpm Bioventures 2014 (B), L.P. | 10% owner | Apr 2021 | Dec 4, 2025 | 3 · $200,000 |
| Mpm Bioventures 2014 Gp LLC | 10% owner | Apr 2021 | Dec 4, 2025 | 3 · $200,000 |
| Mpm Bioventures 2014 LLC | 10% owner | Apr 2021 | Dec 4, 2025 | 12 · $1.1M |
| Mpm Bioventures 2014, L.P. | 10% owner | Apr 2021 | Dec 4, 2025 | 4 · $200,000 |
| Mpm Oncology Impact Management LP | 10% owner | Apr 2021 | Dec 4, 2025 | 6 · $500,000 |
| Mpm Oncology Innovations Fund Gp LLC | 10% owner | Apr 2021 | Dec 4, 2025 | 9 · $500,000 |
| Mpm Oncology Innovations Fund LP | 10% owner | Apr 2021 | Dec 4, 2025 | 3 · $400,000 |
| Oncology Impact Fund (Cayman) Management L.P. | 10% owner | Apr 2021 | Dec 4, 2025 | none |
| Ubs Oncology Impact Fund L.P. | 10% owner | Apr 2021 | Dec 4, 2025 | 10 · $800,000 |
Earlier names on the record25, newest filing first
Atkins Michael B. · director · last filing Jun 2025Chatterjee Meeta · director · last filing Jun 2025Lazarus Alon · director · last filing Jun 2025Morrison Briggs · director · last filing Jun 2025Sherman Michael A. · director · last filing Jun 2025Singhal Anil K. · director · last filing Jun 2025Ra Capital Nexus Fund II, L.P. · director · last filing May 2025Bloom Steven H. · officer · last filing May 2025Foley Todd · 10% owner · last filing Apr 2025Hicklin Daniel J · officer · last filing Jan 2025Trost Timothy W. · officer · last filing Jan 2025Isaacs Randi · officer · last filing Jan 2025Karunatilake Chulani · officer · last filing Jan 2025Lubman Ellen · officer · last filing Jan 2025Dirocco Derek · director · last filing May 2024Seidel-Dugan Cynthia · officer · last filing Jan 2024Leonard Reid · officer · last filing Jan 2023Mpm Oncology Impact Management Gp LLC · 10% owner · last filing May 2021Hbm Healthcare Investments (Cayman) Ltd. · 10% owner · last filing May 2021Asanuma Sakae · director · last filing May 2021Arkin Bio Ventures 2 L.P. · 10% owner · last filing May 2021Arkin Bio Ventures Gpgp Ltd. · 10% owner · last filing May 2021Arkin Moshe · 10% owner · last filing May 2021Deerfield Management Company, L.P. (Series C) · 10% owner · last filing May 2021Deerfield Mgmt L.P. · 10% owner · last filing May 2021
A person is listed as reporting now after a filing in the last fifteen months. The record shows when someone last filed; it does not say why they stopped. Each name links to the filings on sec.gov.