HOWL Werewolf Therapeutics, Inc.
Nasdaq · SEC CIK 1785530 · EDGAR
- Bought, last 12 months
- $0 0 purchases by 0 insiders
- Sold, last 12 months
- $8.67M 53 sales by 11 insiders
- Filings on record
- 120 since 2021-07-02, latest 2026-07-08 17:34
BoughtSold
Most active insiders, 12 months
| Insider | Title | Bought | Sold |
|---|---|---|---|
| EVNIN LUKE | Dir | — | $3.26M |
| MPM BioVentures 2014 LLC | 10% | — | $1.09M |
| RA CAPITAL MANAGEMENT, L.P. | 10% | — | $963.9K |
| UBS Oncology Impact Fund L.P. | 10% | — | $824.5K |
| MPM Asset Management Investors BV2014 LLC | 10% | — | $528.5K |
| MPM Oncology Innovations Fund GP LLC | 10% | — | $528.1K |
| MPM BioImpact LLC | Former 10% Owner | — | $479.1K |
| MPM ONCOLOGY INNOVATIONS FUND LP | 10% | — | $391.6K |
| MPM BioVentures 2014, L.P. | 10% | — | $241.3K |
| MPM BioVentures 2014 (B), L.P. | Former 10% Owner | — | $183.3K |
Transactions 64
| X | Filed | Traded | Ticker | Insider | Title | Type | Price | Qty | Owned | ΔOwn | Value |
|---|---|---|---|---|---|---|---|---|---|---|---|
| MTI | 2026-07-08 17:34 | 2026-07-06+ | HOWL | EVNIN LUKE | Dir | S - Sale | $0.3125 | -143.2K | 0 | -100% | -$44.7K |
| TI | 2026-06-29 19:07 | 2026-06-29 | HOWL | EVNIN LUKE | Dir | S - Sale | $0.3 | -157.1K | 143.2K | -52% | -$47.1K |
| MI | 2026-06-22 18:59 | 2026-06-17 | HOWL | RA CAPITAL MANAGEMENT, L.P. | 10% | S - Sale | $0.35 | -416.9K | 303.7K | -58% | -$145.9K |
| MI | 2026-06-16 18:01 | 2026-06-12+ | HOWL | RA CAPITAL MANAGEMENT, L.P. | 10% | S - Sale | $0.3871 | -448.8K | 331.4K | -58% | -$173.8K |
| MI | 2026-06-11 20:13 | 2026-06-09+ | HOWL | RA CAPITAL MANAGEMENT, L.P. | 10% | S - Sale | $0.3739 | -678.2K | 361.2K | -65% | -$253.6K |
| TI | 2026-06-10 17:20 | 2026-06-09 | HOWL | EVNIN LUKE | Dir | S - Sale | $0.37 | -76.9K | 300.3K | -20% | -$28.5K |
| MTI | 2026-06-08 18:13 | 2026-06-04+ | HOWL | EVNIN LUKE | Dir | S - Sale | $0.4076 | -105.6K | 377.2K | -22% | -$43.0K |
| MTI | 2026-06-03 18:42 | 2026-06-01+ | HOWL | EVNIN LUKE | Dir | S - Sale | $0.4551 | -139.8K | 482.8K | -22% | -$63.6K |
| MTI | 2026-05-29 18:51 | 2026-05-27+ | HOWL | EVNIN LUKE | Dir | S - Sale | $0.4692 | -141.1K | 622.6K | -18% | -$66.2K |
| MTI | 2026-05-26 18:18 | 2026-05-21+ | HOWL | EVNIN LUKE | Dir | S - Sale | $0.4514 | -191.8K | 763.7K | -20% | -$86.6K |
| MTI | 2026-05-20 18:08 | 2026-05-18+ | HOWL | EVNIN LUKE | Dir | S - Sale | $0.4464 | -171.0K | 955.4K | -15% | -$76.4K |
| TI | 2026-05-13 16:06 | 2026-05-13 | HOWL | EVNIN LUKE | Dir | S - Sale | $0.54 | -44.7K | 1.13M | -4% | -$24.1K |
| MTI | 2026-05-12 19:47 | 2026-05-08+ | HOWL | EVNIN LUKE | Dir | S - Sale | $0.6875 | -407.6K | 1.17M | -26% | -$280.2K |
| MI | 2026-05-12 18:26 | 2026-05-08+ | HOWL | RA CAPITAL MANAGEMENT, L.P. | 10% | S - Sale | $0.6913 | -565.2K | 406.3K | -58% | -$390.7K |
| MTI | 2026-05-07 18:22 | 2026-05-05+ | HOWL | EVNIN LUKE | Dir | S - Sale | $0.6385 | -100.6K | 1.58M | -6% | -$64.2K |
| MTI | 2026-05-04 18:00 | 2026-04-30+ | HOWL | EVNIN LUKE | Dir | S - Sale | $0.7221 | -274.6K | 1.68M | -14% | -$198.3K |
| MTI | 2026-04-29 19:16 | 2026-04-27+ | HOWL | EVNIN LUKE | Dir | S - Sale | $0.7504 | -205.9K | 1.95M | -10% | -$154.5K |
| I | 2026-01-20 | 2026-01-16 | HOWL | EVNIN LUKE | Dir | S - Sale | $0.54 | -38.8K | 2.16M | -2% | -$20.9K |
| MI | 2026-01-15 | 2026-01-13+ | HOWL | EVNIN LUKE | Dir | S - Sale | $0.5555 | -111.2K | 2.24M | -5% | -$61.8K |
| MI | 2026-01-12 | 2026-01-08+ | HOWL | EVNIN LUKE | Dir | S - Sale | $0.5859 | -91.4K | 2.37M | -4% | -$53.5K |
| MI | 2026-01-07 | 2026-01-05+ | HOWL | EVNIN LUKE | Dir | S - Sale | $0.6457 | -71.1K | 2.41M | -3% | -$45.9K |
| MI | 2026-01-02 | 2025-12-30+ | HOWL | EVNIN LUKE | Dir | S - Sale | $0.6179 | -78.4K | 2.47M | -3% | -$48.4K |
| MI | 2025-12-29 | 2025-12-22+ | HOWL | EVNIN LUKE | Dir | S - Sale | $0.6359 | -291.3K | 2.78M | -9% | -$185.2K |
| MI | 2025-12-17 | 2025-12-15+ | HOWL | EVNIN LUKE | Dir | S - Sale | $1.08 | -48.2K | 2.84M | -2% | -$52.0K |
| MI | 2025-12-12 | 2025-12-10+ | HOWL | EVNIN LUKE | Dir | S - Sale | $1.07 | -83.0K | 2.89M | -3% | -$88.6K |
| MI | 2025-12-09 | 2025-12-05+ | HOWL | EVNIN LUKE | Dir | S - Sale | $0.9959 | -95.2K | 3.02M | -3% | -$94.8K |
| MI | 2025-12-04 | 2025-12-02+ | HOWL | EVNIN LUKE | Dir | S - Sale | $0.9176 | -128.2K | 3.07M | -4% | -$117.6K |
| MI | 2025-12-04 | 2025-12-02+ | HOWL | MPM BioVentures 2014 (B), L.P. | Former 10% Owner | S - Sale | $0.9176 | -199.7K | 4.92M | -4% | -$183.3K |
| MI | 2025-12-04 | 2025-12-02+ | HOWL | MPM BioImpact LLC | Former 10% Owner | S - Sale | $0.9176 | -199.7K | 4.78M | -4% | -$183.3K |
| MI | 2025-12-01 | 2025-11-26+ | HOWL | MPM Asset Management Investors BV2014 LLC | 10% | S - Sale | $0.9643 | -141.9K | 5.07M | -3% | -$136.9K |
| MI | 2025-12-01 | 2025-11-26+ | HOWL | UBS Oncology Impact Fund L.P. | 10% | S - Sale | $0.9643 | -141.9K | 5.07M | -3% | -$136.9K |
| MI | 2025-12-01 | 2025-11-26+ | HOWL | EVNIN LUKE | Dir | S - Sale | $0.9643 | -91.1K | 3.25M | -3% | -$87.8K |
| MI | 2025-11-25 | 2025-11-21+ | HOWL | MPM BioVentures 2014 GP LLC | 10% | S - Sale | $0.9176 | -195.7K | 5.17M | -4% | -$179.6K |
| MI | 2025-11-25 | 2025-11-21+ | HOWL | EVNIN LUKE | Dir | S - Sale | $0.9176 | -125.6K | 3.29M | -4% | -$115.2K |
| MI | 2025-11-25 | 2025-11-21+ | HOWL | MPM Oncology Innovations Fund GP LLC | 10% | S - Sale | $0.9176 | -195.7K | 5.26M | -4% | -$179.6K |
| MI | 2025-11-20 | 2025-11-18+ | HOWL | EVNIN LUKE | Dir | S - Sale | $0.9239 | -102.8K | 3.41M | -3% | -$94.9K |
| MI | 2025-11-20 | 2025-11-18+ | HOWL | MPM BioVentures 2014 LLC | 10% | S - Sale | $0.9239 | -160.1K | 5.43M | -3% | -$147.9K |
| MI | 2025-11-20 | 2025-11-18+ | HOWL | MPM Oncology Innovations Fund GP LLC | 10% | S - Sale | $0.9239 | -160.1K | 5.36M | -3% | -$147.9K |
| MI | 2025-11-17 | 2025-11-13+ | HOWL | MPM Oncology Innovations Fund GP LLC | 10% | S - Sale | $0.9571 | -209.7K | 5.60M | -4% | -$200.7K |
| MI | 2025-11-17 | 2025-11-13+ | HOWL | EVNIN LUKE | Dir | S - Sale | $0.9571 | -134.6K | 3.55M | -4% | -$128.8K |
| MI | 2025-11-17 | 2025-11-13+ | HOWL | MPM BioVentures 2014 LLC | 10% | S - Sale | $0.9571 | -209.7K | 5.54M | -4% | -$200.7K |
| MI | 2025-11-12 | 2025-11-07+ | HOWL | MPM BioVentures 2014, L.P. | 10% | S - Sale | $1.13 | -213.5K | 5.84M | -4% | -$241.3K |
| MI | 2025-11-12 | 2025-11-07+ | HOWL | UBS Oncology Impact Fund L.P. | 10% | S - Sale | $1.13 | -213.5K | 5.73M | -4% | -$241.3K |
| MI | 2025-11-12 | 2025-11-07+ | HOWL | EVNIN LUKE | Dir | S - Sale | $1.13 | -137.0K | 3.71M | -4% | -$154.9K |
| MI | 2025-11-06 | 2025-11-04+ | HOWL | EVNIN LUKE | Dir | S - Sale | $1.22 | -155.9K | 3.79M | -4% | -$189.8K |
| MI | 2025-11-06 | 2025-11-04+ | HOWL | MPM BioVentures 2014 LLC | 10% | S - Sale | $1.22 | -242.9K | 5.90M | -4% | -$295.8K |
| MI | 2025-11-06 | 2025-11-04+ | HOWL | MPM BioImpact LLC | 10% | S - Sale | $1.22 | -242.9K | 6.01M | -4% | -$295.8K |
| MI | 2025-11-03 | 2025-10-30+ | HOWL | MPM Asset Management Investors BV2014 LLC | 10% | S - Sale | $1.33 | -295.0K | 6.36M | -4% | -$391.6K |
| MI | 2025-11-03 | 2025-10-30+ | HOWL | MPM ONCOLOGY INNOVATIONS FUND LP | 10% | S - Sale | $1.33 | -295.0K | 6.15M | -5% | -$391.6K |
| MI | 2025-11-03 | 2025-10-30+ | HOWL | EVNIN LUKE | Dir | S - Sale | $1.33 | -189.4K | 4.08M | -4% | -$251.3K |
| MI | 2025-10-29 | 2025-10-27+ | HOWL | UBS Oncology Impact Fund L.P. | 10% | S - Sale | $1.62 | -276.0K | 6.44M | -4% | -$446.4K |
| MI | 2025-10-29 | 2025-10-27+ | HOWL | EVNIN LUKE | Dir | S - Sale | $1.62 | -177.1K | 4.22M | -4% | -$286.5K |
| MI | 2025-10-29 | 2025-10-27+ | HOWL | MPM BioVentures 2014 LLC | 10% | S - Sale | $1.62 | -276.0K | 6.65M | -4% | -$446.4K |
| MI | 2025-05-14 | 2025-05-12+ | HOWL | RA Capital Nexus Fund II, L.P. | Dir, 10% | P - Purchase | $0.9082 | +536.4K | 6.02M | +10% | +$487.2K |
| DI | 2025-04-30 | 2025-03-27 | HOWL | MPM Asset Management Investors BV2014 LLC | 10% | X - OptEx | $0.09 | +22.8K | 3.21M | +0.7% | +$2,048 |
| DI | 2025-04-30 | 2025-03-27 | HOWL | MPM Asset Management Investors BV2014 LLC | 10% | S - Sale+OE | $1.05 | -1,963 | 3.21M | -0.1% | -$2,061 |
| DI | 2025-04-30 | 2025-03-27 | HOWL | EVNIN LUKE | Dir, 10% | S - Sale+OE | $1.05 | -2,425 | 4.31M | -0.1% | -$2,546 |
| DI | 2025-04-30 | 2025-03-27 | HOWL | EVNIN LUKE | Dir, 10% | X - OptEx | $0.09 | +28.1K | 4.31M | +0.7% | +$2,530 |
| DI | 2025-04-30 | 2025-03-27 | HOWL | MPM ASSET MANAGEMENT LLC | 10% | S - Sale+OE | $1.05 | -4,386 | 6.72M | -0.1% | -$4,605 |
| DI | 2025-04-30 | 2025-03-27 | HOWL | MPM ASSET MANAGEMENT LLC | 10% | X - OptEx | $0.09 | +50.9K | 6.72M | +0.8% | +$4,579 |
| I | 2023-01-10 | 2023-01-06 | HOWL | Shah Rajeev M. | Dir, 10% | P - Purchase | $2.21 | +1.85M | 5.70M | +48% | +$4.10M |
| DM | 2022-01-14 | 2022-01-12 | HOWL | Seidel-Dugan Cynthia | CSO | M - OptEx | $2.81 | +39.7K | 149.4K | +36% | +$111.8K |
| D | 2022-01-04 | 2021-12-30 | HOWL | Leonard Reid | COO | M - OptEx | $1.56 | +14.1K | 14.1K | New | +$22.0K |
| MI | 2021-12-17 | 2021-12-15 | HOWL | Leonard Reid | COO | S - Sale | $13.42 | -3,000 | 122.3K | -2% | -$40.2K |
Purchase Sale Sale after option exercise All abbreviations