// company-profile
Werewolf Therapeutics, Inc. Insider Trading
HOWLEvery SEC Form 4 insider trading filing for Werewolf Therapeutics, Inc. (HOWL) — open-market buys and sells by directors and officers, option exercises, and cluster activity, updated as each filing is reported to the SEC.
curl "https://api.form4api.com/v1/transactions?ticker=HOWL" -H "X-Api-Key: YOUR_API_KEY"// activity-summary
No insider transactions in the last 30 days.
// 90-day insight
Over the last 90 days, Werewolf Therapeutics, Inc. insiders sold $697K across 18 transactions with no open-market purchases.
- Most active insider: EVNIN LUKE with 22 transactions totaling $546K.
- Largest single sale: $136K by RA CAPITAL MANAGEMENT, L.P. on Jun 17, 2026.
- 55% of recent sales were pre-scheduled 10b5-1 trades — typically less informative than open-market activity.
Activity skews bearish — sales outpace buys.
Institutional Ownership
Top 13F-HR holders of Werewolf Therapeutics, Inc. as of 2026-06-30
Data source: quarterly 13F-HR filings — institutional holders report positions within 45 days of quarter end. Joined with insider activity above — see who's loading up institutionally while insiders are trading. Full 13F-HR API →
Insider Transactions
Sourced from SEC EDGAR Form 4 filings. Updated hourly.
| Date | Insider | Company | Type | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Jul 7, 2026 | EVNIN LUKE | HOWL | Sale10b5 | 107,429 | $0.31 | $33K |
| Jul 6, 2026 | EVNIN LUKE | HOWL | Sale10b5 | 35,770 | $0.32 | $11K |
| Jun 29, 2026 | EVNIN LUKE | HOWL | Sale10b5 | 157,084 | $0.30 | $47K |
| Jun 17, 2026 | RA CAPITAL MANAGEMENT, L.P. | HOWL | Sale | 27,695 | $0.35 | $10K |
| Jun 17, 2026 | RA CAPITAL MANAGEMENT, L.P. | HOWL | Sale | 389,216 | $0.35 | $136K |
45 more transactions hidden
Free account · No credit card required
Building something? Get API access →