HOWL Insider Trading Activity and SEC Form 4 Filings
HOWL insider trading summary
Over the past 12 months, insiders at Werewolf Therapeutics, Inc. (HOWL) reported 391 sales worth $20.1M by 17 insiders and no open-market purchases on SEC Form 4. Net insider selling was $20.1M.
Latest HOWL insider buys and sells
| Date | Insider | Role | Type | Value |
|---|---|---|---|---|
| Jul 7, 2026 | Luke Evnin | Insider | Sell | $33K (107,429 @ $0.31) |
| Jul 6, 2026 | Luke Evnin | Insider | Sell | $11K (35,770 @ $0.32) |
| Jun 29, 2026 | Luke Evnin | Insider | Sell | $47K (157,084 @ $0.30) |
| Jun 17, 2026 | Peter Kolchinsky | 10% Owner | Sell | $10K (27,695 @ $0.35) |
| Jun 17, 2026 | Rajeev M. Shah | 10% Owner | Sell | $10K (27,695 @ $0.35) |
| Jun 17, 2026 | RA Capital Healthcare Fund LP | 10% Owner | Sell | $10K (27,695 @ $0.35) |
| Jun 17, 2026 | Peter Kolchinsky | 10% Owner | Sell | $136K (389,216 @ $0.35) |
| Jun 17, 2026 | Ra Capital Management, L.P. | Insider | Sell | $136K (389,216 @ $0.35) |
| Jun 17, 2026 | RA Capital Healthcare Fund LP | 10% Owner | Sell | $136K (389,216 @ $0.35) |
| Jun 17, 2026 | Ra Capital Management, L.P. | Insider | Sell | $10K (27,695 @ $0.35) |
Source: SEC Form 4 filings. Open-market purchases (code P) and sales (code S) only; option exercises, grants and gifts are excluded.