HOWL
Werewolf Therapeutics, Inc.$0.39+0.00 (+0.03%)Prev Close$0.39·MCap$35.6M·P/E—·Vol366.2K·Yield—
▲
Buys (12M)
0
$0.00
▼
Sells (12M)
40
$6.03M
◆
Net Activity
Net Seller
$6.03M
●
Active Insiders
3
last 12 mo
Over the past 12 months, insider activity at Werewolf Therapeutics, Inc. (HOWL) has been exclusively selling, with 0 insider purchases totaling $0.00 and 40 insider sales totaling $6.03M. The most recent insider transaction was by RA CAPITAL MANAGEMENT, L.P. (10 percent owner), who sold $253.6K worth of shares on Jun 11, 2026. Werewolf Therapeutics, Inc. operates in the Healthcare sector, within the Biotechnology industry, with a market cap of $35.6M.
HOWL Insider Trading Activity
| Date | Insider | Role | Type | Shares | Avg Price | Value | Shares After |
|---|---|---|---|---|---|---|---|
| Jun 11, 2026 | RA CAPITAL MANAGEMENT, L.P. | 10 percent owner | Sell | 678,226 | $0.37 | $253.6K1.4% OS | 5,364,623 |
| Jun 10, 2026 | EVNIN LUKE | director | Sell | 76,928 | $0.37 | $28.5K | 300,283 |
| Jun 8, 2026 | EVNIN LUKE | director | Sell | 105,565 | $0.41 | $43.0K | 462,704 |
| Jun 3, 2026 | EVNIN LUKE | director | Sell | 139,803 | $0.46 | $63.6K | 542,120 |
| May 29, 2026 | EVNIN LUKE | director | Sell | 141,106 | $0.47 | $66.2K | 682,833 |
| May 26, 2026 | EVNIN LUKE | director | Sell | 191,762 | $0.45 | $86.6K | 919,060 |
| May 20, 2026 | EVNIN LUKE | director | Sell | 171,049 | $0.45 | $76.4K | 1,104,312 |
| May 13, 2026 | EVNIN LUKE | director | Sell | 44,679 | $0.54 | $24.1K | 1,126,496 |
| May 12, 2026 | RA CAPITAL MANAGEMENT, L.P. | 10 percent owner | Sell | 565,167 | $0.69 | $390.7K1.2% OS | 5,885,968 |
| May 12, 2026 | EVNIN LUKE | director | Sell | 407,574 | $0.69 | $280.2K0.8% OS | 1,273,008 |
| May 7, 2026 | EVNIN LUKE | director | Sell | 100,581 | $0.64 | $64.2K | 1,672,470 |
| May 4, 2026 | EVNIN LUKE | director | Sell | 274,619 | $0.72 | $198.3K0.6% OS | 1,785,687 |
| Apr 29, 2026 | EVNIN LUKE | director | Sell | 205,911 | $0.75 | $154.5K | 2,105,920 |
| Jan 16, 2026 | EVNIN LUKE | Director | Sell | 38,782 | $0.54 | $20.9K | 0 |
| Jan 13, 2026 | EVNIN LUKE | Director | Sell | 111,227 | $0.56 | $61.8K | 0 |
| Jan 8, 2026 | EVNIN LUKE | Director | Sell | 91,374 | $0.59 | $53.5K | 0 |
| Jan 5, 2026 | EVNIN LUKE | Director | Sell | 71,054 | $0.65 | $45.9K | 0 |
| Dec 30, 2025 | EVNIN LUKE | Director | Sell | 78,377 | $0.62 | $48.4K | 0 |
| Dec 22, 2025 | EVNIN LUKE | Director | Sell | 291,283 | $0.64 | $185.2K0.6% OS | 0 |
| Dec 15, 2025 | EVNIN LUKE | Director | Sell | 48,171 | $1.08 | $52.0K | 0 |
| Dec 10, 2025 | EVNIN LUKE | Director | Sell | 82,971 | $1.07 | $88.6K | 0 |
| Dec 5, 2025 | EVNIN LUKE | Director | Sell | 95,179 | $1.00 | $94.8K | 0 |
| Dec 2, 2025 | EVNIN LUKE | Director | Sell | 128,185 | $0.92 | $117.6K | 0 |
| Dec 2, 2025 | GADICKE ANSBERT | Insider | Sell | 199,732 | $0.92 | $183.3K | 0 |
| Nov 26, 2025 | EVNIN LUKE | Director | Sell | 91,088 | $0.96 | $87.8K | 0 |
| Nov 26, 2025 | GADICKE ANSBERT | 10% Owner | Sell | 141,927 | $0.96 | $136.9K | 0 |
| Nov 21, 2025 | EVNIN LUKE | Director | Sell | 125,576 | $0.92 | $115.2K | 0 |
| Nov 21, 2025 | GADICKE ANSBERT | 10% Owner | Sell | 195,666 | $0.92 | $179.6K | 0 |
| Nov 18, 2025 | EVNIN LUKE | Director | Sell | 102,753 | $0.92 | $94.9K | 0 |
| Nov 18, 2025 | GADICKE ANSBERT | 10% Owner | Sell | 160,103 | $0.92 | $147.9K | 0 |
| Nov 13, 2025 | EVNIN LUKE | Director | Sell | 134,553 | $0.96 | $128.8K | 0 |
| Nov 13, 2025 | GADICKE ANSBERT | 10% Owner | Sell | 209,652 | $0.96 | $200.7K | 0 |
| Nov 7, 2025 | EVNIN LUKE | Director | Sell | 137,041 | $1.13 | $154.8K | 0 |
| Nov 7, 2025 | GADICKE ANSBERT | 10% Owner | Sell | 213,529 | $1.13 | $241.3K | 0 |
| Nov 4, 2025 | EVNIN LUKE | Director | Sell | 155,885 | $1.22 | $189.8K | 0 |
| Nov 4, 2025 | GADICKE ANSBERT | 10% Owner | Sell | 242,890 | $1.22 | $295.8K0.5% OS | 0 |
| Oct 30, 2025 | EVNIN LUKE | Director | Sell | 189,356 | $1.33 | $251.3K | 0 |
| Oct 30, 2025 | GADICKE ANSBERT | 10% Owner | Sell | 295,043 | $1.33 | $391.6K0.6% OS | 0 |
| Oct 27, 2025 | EVNIN LUKE | Director | Sell | 177,145 | $1.62 | $286.5K | 0 |
| Oct 27, 2025 | GADICKE ANSBERT | 10% Owner | Sell | 276,017 | $1.62 | $446.4K0.6% OS | 0 |
| Mar 27, 2025 | EVNIN LUKE | Director | Sell | 30,538 | $0.17 | $5.1K | 0 |
| Mar 27, 2025 | GADICKE ANSBERT | 10% Owner | Sell | 55,259 | $0.17 | $9.2K | 0 |
| Jan 10, 2023 | RA CAPITAL MANAGEMENT, L.P. | Director | Buy | 1,853,000 | $2.21 | $4.10M3.8% OS | 5,701,056+48% |
| Dec 17, 2021 | Leonard Reid | Chief Operating Officer | Sell | 3,000 | $13.41 | $40.2K | 122,292 |
| Jun 16, 2021 | RA CAPITAL MANAGEMENT, L.P. | Director | Buy | 323,298 | $12.77 | $4.13M0.7% OS | 4,291,881 |
| May 6, 2021 | EVNIN LUKE | Director | Buy | 150,799 | $16.00 | $2.41M | 4,284,172 |
| May 6, 2021 | GADICKE ANSBERT | 10% Owner | Buy | 245,000 | $16.00 | $3.92M0.5% OS | 6,672,183 |
| May 6, 2021 | MPM BioVentures 2014, L.P. | 10% Owner | Buy | 125,759 | $16.00 | $2.01M | 3,187,998 |
| May 6, 2021 | RA CAPITAL MANAGEMENT, L.P. | Director | Buy | 1,715,000 | $16.00 | $27.44M3.5% OS | 3,524,758+95% |
| May 4, 2021 | Arkin Bio Ventures 2 L.P. | 10% Owner | Buy | 400,000 | $16.00 | $6.40M0.8% OS | 2,046,634 |
Showing 1–50 of 54
1 / 2
HOWL Insider Buying Activity
The following table shows recent insider purchases of Werewolf Therapeutics, Inc. (HOWL) stock reported via SEC Form 4 filings.
| Date | Insider | Role | Type | Shares | Avg Price | Value | Shares After |
|---|---|---|---|---|---|---|---|
| Jan 10, 2023 | RA CAPITAL MANAGEMENT, L.P. | Director | Buy | 1,853,000 | $2.21 | $4.10M3.8% OS | 5,701,056+48% |
| Jun 16, 2021 | RA CAPITAL MANAGEMENT, L.P. | Director | Buy | 323,298 | $12.77 | $4.13M0.7% OS | 4,291,881 |
| May 6, 2021 | EVNIN LUKE | Director | Buy | 150,799 | $16.00 | $2.41M | 4,284,172 |
| May 6, 2021 | GADICKE ANSBERT | 10% Owner | Buy | 245,000 | $16.00 | $3.92M0.5% OS | 6,672,183 |
| May 6, 2021 | MPM BioVentures 2014, L.P. | 10% Owner | Buy | 125,759 | $16.00 | $2.01M | 3,187,998 |
| May 6, 2021 | RA CAPITAL MANAGEMENT, L.P. | Director | Buy | 1,715,000 | $16.00 | $27.44M3.5% OS | 3,524,758+95% |
| May 4, 2021 | Arkin Bio Ventures 2 L.P. | 10% Owner | Buy | 400,000 | $16.00 | $6.40M0.8% OS | 2,046,634 |
HOWL Insider Selling Activity
The following table shows recent insider sales of Werewolf Therapeutics, Inc. (HOWL) stock reported via SEC Form 4 filings.
| Date | Insider | Role | Type | Shares | Avg Price | Value | Shares After |
|---|---|---|---|---|---|---|---|
| Jun 11, 2026 | RA CAPITAL MANAGEMENT, L.P. | 10 percent owner | Sell | 678,226 | $0.37 | $253.6K1.4% OS | 5,364,623 |
| Jun 10, 2026 | EVNIN LUKE | director | Sell | 76,928 | $0.37 | $28.5K | 300,283 |
| Jun 8, 2026 | EVNIN LUKE | director | Sell | 105,565 | $0.41 | $43.0K | 462,704 |
| Jun 3, 2026 | EVNIN LUKE | director | Sell | 139,803 | $0.46 | $63.6K | 542,120 |
| May 29, 2026 | EVNIN LUKE | director | Sell | 141,106 | $0.47 | $66.2K | 682,833 |
| May 26, 2026 | EVNIN LUKE | director | Sell | 191,762 | $0.45 | $86.6K | 919,060 |
| May 20, 2026 | EVNIN LUKE | director | Sell | 171,049 | $0.45 | $76.4K | 1,104,312 |
| May 13, 2026 | EVNIN LUKE | director | Sell | 44,679 | $0.54 | $24.1K | 1,126,496 |
| May 12, 2026 | RA CAPITAL MANAGEMENT, L.P. | 10 percent owner | Sell | 565,167 | $0.69 | $390.7K1.2% OS | 5,885,968 |
| May 12, 2026 | EVNIN LUKE | director | Sell | 407,574 | $0.69 | $280.2K0.8% OS | 1,273,008 |
| May 7, 2026 | EVNIN LUKE | director | Sell | 100,581 | $0.64 | $64.2K | 1,672,470 |
| May 4, 2026 | EVNIN LUKE | director | Sell | 274,619 | $0.72 | $198.3K0.6% OS | 1,785,687 |
| Apr 29, 2026 | EVNIN LUKE | director | Sell | 205,911 | $0.75 | $154.5K | 2,105,920 |
| Jan 16, 2026 | EVNIN LUKE | Director | Sell | 38,782 | $0.54 | $20.9K | 0 |
| Jan 13, 2026 | EVNIN LUKE | Director | Sell | 111,227 | $0.56 | $61.8K | 0 |
| Jan 8, 2026 | EVNIN LUKE | Director | Sell | 91,374 | $0.59 | $53.5K | 0 |
| Jan 5, 2026 | EVNIN LUKE | Director | Sell | 71,054 | $0.65 | $45.9K | 0 |
| Dec 30, 2025 | EVNIN LUKE | Director | Sell | 78,377 | $0.62 | $48.4K | 0 |
| Dec 22, 2025 | EVNIN LUKE | Director | Sell | 291,283 | $0.64 | $185.2K0.6% OS | 0 |
| Dec 15, 2025 | EVNIN LUKE | Director | Sell | 48,171 | $1.08 | $52.0K | 0 |
| Dec 10, 2025 | EVNIN LUKE | Director | Sell | 82,971 | $1.07 | $88.6K | 0 |
| Dec 5, 2025 | EVNIN LUKE | Director | Sell | 95,179 | $1.00 | $94.8K | 0 |
| Dec 2, 2025 | EVNIN LUKE | Director | Sell | 128,185 | $0.92 | $117.6K | 0 |
| Dec 2, 2025 | GADICKE ANSBERT | Insider | Sell | 199,732 | $0.92 | $183.3K | 0 |
| Nov 26, 2025 | EVNIN LUKE | Director | Sell | 91,088 | $0.96 | $87.8K | 0 |
| Nov 26, 2025 | GADICKE ANSBERT | 10% Owner | Sell | 141,927 | $0.96 | $136.9K | 0 |
| Nov 21, 2025 | EVNIN LUKE | Director | Sell | 125,576 | $0.92 | $115.2K | 0 |
| Nov 21, 2025 | GADICKE ANSBERT | 10% Owner | Sell | 195,666 | $0.92 | $179.6K | 0 |
| Nov 18, 2025 | EVNIN LUKE | Director | Sell | 102,753 | $0.92 | $94.9K | 0 |
| Nov 18, 2025 | GADICKE ANSBERT | 10% Owner | Sell | 160,103 | $0.92 | $147.9K | 0 |
| Nov 13, 2025 | EVNIN LUKE | Director | Sell | 134,553 | $0.96 | $128.8K | 0 |
| Nov 13, 2025 | GADICKE ANSBERT | 10% Owner | Sell | 209,652 | $0.96 | $200.7K | 0 |
| Nov 7, 2025 | EVNIN LUKE | Director | Sell | 137,041 | $1.13 | $154.8K | 0 |
| Nov 7, 2025 | GADICKE ANSBERT | 10% Owner | Sell | 213,529 | $1.13 | $241.3K | 0 |
| Nov 4, 2025 | EVNIN LUKE | Director | Sell | 155,885 | $1.22 | $189.8K | 0 |
| Nov 4, 2025 | GADICKE ANSBERT | 10% Owner | Sell | 242,890 | $1.22 | $295.8K0.5% OS | 0 |
| Oct 30, 2025 | EVNIN LUKE | Director | Sell | 189,356 | $1.33 | $251.3K | 0 |
| Oct 30, 2025 | GADICKE ANSBERT | 10% Owner | Sell | 295,043 | $1.33 | $391.6K0.6% OS | 0 |
| Oct 27, 2025 | EVNIN LUKE | Director | Sell | 177,145 | $1.62 | $286.5K | 0 |
| Oct 27, 2025 | GADICKE ANSBERT | 10% Owner | Sell | 276,017 | $1.62 | $446.4K0.6% OS | 0 |
| Mar 27, 2025 | EVNIN LUKE | Director | Sell | 30,538 | $0.17 | $5.1K | 0 |
| Mar 27, 2025 | GADICKE ANSBERT | 10% Owner | Sell | 55,259 | $0.17 | $9.2K | 0 |
| Dec 17, 2021 | Leonard Reid | Chief Operating Officer | Sell | 3,000 | $13.41 | $40.2K | 122,292 |
HOWL Insiders
Similar Stocks to HOWL
VRTX
Vertex Pharmaceuticals Incorporated
$445.21+0.04%
$113.41B
REGN
Regeneron Pharmaceuticals, Inc.
$614.20+0.45%
$65.47B
ALNY
Alnylam Pharmaceuticals, Inc.
$283.35-2.09%
$40.46B
RVMD
Revolution Medicines, Inc.
$153.65+2.96%
$31.73B
UTHR
United Therapeutics Corporation
$542.43-0.54%
$23.12B
INSM
Insmed Incorporated
$98.28+1.64%
$20.41B
INCY
Incyte Corporation
$108.85+0.95%
$20.11B
MRNA
Moderna, Inc.
$50.18+1.06%
$18.89B