// company-profile
Werewolf Therapeutics, Inc.
HOWL// activity-summary
Recent insider activity is bearish. Over the last 30 days, insiders net sold $573K across 14 transactions.
// 90-day insight
Over the last 90 days, Werewolf Therapeutics, Inc. insiders sold $964K across 20 transactions with no open-market purchases.
- Most active insider: EVNIN LUKE with 29 transactions totaling $1.1M.
- Largest single sale: $250K by RA CAPITAL MANAGEMENT, L.P. on May 8, 2026.
- 59% 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 2026-03-31
Data source: SEC Form 13F-HR filings. 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 |
|---|---|---|---|---|---|---|
| Jun 17, 2026 | RA CAPITAL MANAGEMENT, L.P. | HOWL | Sale | 389,216 | $0.35 | $136K |
| Jun 17, 2026 | RA CAPITAL MANAGEMENT, L.P. | HOWL | Sale | 27,695 | $0.35 | $10K |
| Jun 16, 2026 | RA CAPITAL MANAGEMENT, L.P. | HOWL | Sale | 139,686 | $0.37 | $52K |
| Jun 16, 2026 | RA CAPITAL MANAGEMENT, L.P. | HOWL | Sale | 9,939 | $0.37 | $4K |
| Jun 15, 2026 | RA CAPITAL MANAGEMENT, L.P. | HOWL | Sale | 120,216 | $0.39 | $47K |
45 more transactions hidden
Free account · No credit card required
Building something? Get API access →
Popular companies on Form4API
Browse insider trading activity for other actively-filed companies.