Werewolf Therapeutics (HOWL) Insider Trading & Ownership

$0.67 -0.02 (-2.94%)

Closing price 05/5/2026 04:00 PM Eastern

Extended Trading

$0.73 +0.06 (+8.56%)

As of 07:57 AM Eastern

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Current Insider Ownership Percentage: 23.60%
Number Of Insiders Buying (Last 12 Months): 2
Amount Of Insider Buying (Last 12 Months): $435.27K
Number Of Insiders Selling (Last 12 Months): 3
Amount Of Insider Selling (Last 12 Months): $6.88M

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HOWL Insider Buying and Selling by Quarter

Werewolf Therapeutics Insider and Congressional Trades History

Transaction Type

Time Frame

Start Date

End Date

Export

Transaction Date	Insider	Buy/Sell	Number of Shares	Average Share Price	Total Transaction
5/4/2026	Luke Evnin Director	Sell	47,963	$0.72	$34,533.36
5/1/2026	Luke Evnin Director	Sell	58,394	$0.73	$42,627.62
4/30/2026	Luke Evnin Director	Sell	168,262	$0.72	$121,148.64
4/29/2026	Luke Evnin Director	Sell	56,559	$0.69	$39,025.71
4/28/2026	Luke Evnin Director	Sell	95,412	$0.73	$69,650.76
4/27/2026	Luke Evnin Director	Sell	53,940	$0.85	$45,849.00
1/16/2026	Luke Evnin Director	Sell	38,782	$0.54	$20,942.28
1/15/2026	Luke Evnin Director	Sell	37,413	$0.55	$20,577.15
1/14/2026	Luke Evnin Director	Sell	30,616	$0.57	$17,451.12
1/13/2026	Luke Evnin Director	Sell	43,198	$0.55	$23,758.90

1/12/2026	Luke Evnin Director	Sell	58,980	$0.57	$33,618.60
1/9/2026	Luke Evnin Director	Sell	24,678	$0.61	$15,053.58
1/8/2026	Luke Evnin Director	Sell	7,716	$0.63	$4,861.08
1/7/2026	Luke Evnin Director	Sell	11,915	$0.64	$7,625.60
1/6/2026	Luke Evnin Director	Sell	40,761	$0.65	$26,494.65
1/5/2026	Luke Evnin Director	Sell	18,378	$0.64	$11,761.92
1/2/2026	Luke Evnin Director	Sell	18,568	$0.63	$11,697.84
12/31/2025	Luke Evnin Director	Sell	24,962	$0.62	$15,476.44
12/30/2025	Luke Evnin Director	Sell	34,847	$0.61	$21,256.67
12/29/2025	Luke Evnin Director	Sell	108,606	$0.61	$66,249.66
12/26/2025	Luke Evnin Director	Sell	35,632	$0.63	$22,448.16
12/24/2025	Luke Evnin Director	Sell	16,310	$0.65	$10,601.50
12/23/2025	Luke Evnin Director	Sell	71,428	$0.63	$44,999.64
12/22/2025	Luke Evnin Director	Sell	59,307	$0.69	$40,921.83
12/17/2025	Luke Evnin Director	Sell	9,983	$1.14	$11,380.62
12/16/2025	Luke Evnin Director	Sell	14,548	$1.05	$15,275.40
12/15/2025	Luke Evnin Director	Sell	23,640	$1.07	$25,294.80
12/12/2025	Luke Evnin Director	Sell	17,858	$1.08	$19,286.64
12/11/2025	Luke Evnin Director	Sell	28,009	$1.07	$29,969.63
12/10/2025	Luke Evnin Director	Sell	37,104	$1.06	$39,330.24
12/9/2025	Luke Evnin Director	Sell	44,570	$1.01	$45,015.70
12/8/2025	Luke Evnin Director	Sell	34,041	$0.99	$33,700.59
12/5/2025	Luke Evnin Director	Sell	16,568	$0.97	$16,070.96
12/4/2025	Ansbert Gadicke Major Shareholder	Sell	83,230	$0.97	$80,733.10
12/4/2025	Bioventures 2014 L.P. Mpm Major Shareholder	Sell	83,230	$0.97	$80,733.10
12/4/2025	Luke Evnin Director	Sell	53,416	$0.97	$51,813.52
12/3/2025	Ansbert Gadicke Major Shareholder	Sell	57,225	$0.87	$49,785.75
12/3/2025	Bioventures 2014 L.P. Mpm Major Shareholder	Sell	57,225	$0.87	$49,785.75
12/3/2025	Luke Evnin Director	Sell	36,726	$0.87	$31,951.62
12/2/2025	Ansbert Gadicke Major Shareholder	Sell	59,277	$0.89	$52,756.53

12/2/2025	Bioventures 2014 L.P. Mpm Major Shareholder	Sell	59,277	$0.89	$52,756.53
12/2/2025	Luke Evnin Director	Sell	38,043	$0.89	$33,858.27
12/1/2025	Ansbert Gadicke Major Shareholder	Sell	60,917	$0.94	$57,261.98
12/1/2025	Bioventures 2014 L.P. Mpm Major Shareholder	Sell	60,917	$0.94	$57,261.98
12/1/2025	Luke Evnin Director	Sell	39,096	$0.94	$36,750.24
11/28/2025	Ansbert Gadicke Major Shareholder	Sell	20,277	$0.99	$20,074.23
11/28/2025	Bioventures 2014 L.P. Mpm Major Shareholder	Sell	20,277	$0.99	$20,074.23
11/28/2025	Luke Evnin Director	Sell	13,014	$0.99	$12,883.86
11/26/2025	Ansbert Gadicke Major Shareholder	Sell	60,733	$0.98	$59,518.34
11/26/2025	Bioventures 2014 L.P. Mpm Major Shareholder	Sell	60,733	$0.98	$59,518.34
11/26/2025	Luke Evnin Director	Sell	38,978	$0.98	$38,198.44
11/25/2025	Ansbert Gadicke Major Shareholder	Sell	42,533	$0.92	$39,130.36
11/25/2025	Bioventures 2014 L.P. Mpm Major Shareholder	Sell	42,533	$0.92	$39,130.36
11/25/2025	Luke Evnin Director	Sell	27,297	$0.92	$25,113.24
11/24/2025	Ansbert Gadicke Major Shareholder	Sell	88,802	$0.98	$87,025.96
11/24/2025	Bioventures 2014 L.P. Mpm Major Shareholder	Sell	88,802	$0.98	$87,025.96
11/24/2025	Luke Evnin Director	Sell	56,992	$0.98	$55,852.16
11/21/2025	Ansbert Gadicke Major Shareholder	Sell	64,331	$0.83	$53,394.73
11/21/2025	Bioventures 2014 L.P. Mpm Major Shareholder	Sell	64,331	$0.83	$53,394.73
11/21/2025	Luke Evnin Director	Sell	41,287	$0.83	$34,268.21
11/20/2025	Ansbert Gadicke Major Shareholder	Sell	41,152	$0.89	$36,625.28
11/20/2025	Bioventures 2014 L.P. Mpm Major Shareholder	Sell	41,152	$0.89	$36,625.28
11/20/2025	Luke Evnin Director	Sell	26,411	$0.89	$23,505.79
11/19/2025	Ansbert Gadicke Major Shareholder	Sell	66,324	$0.94	$62,344.56
11/19/2025	Bioventures 2014 L.P. Mpm Major Shareholder	Sell	66,324	$0.94	$62,344.56
11/19/2025	Luke Evnin Director	Sell	42,566	$0.94	$40,012.04
11/18/2025	Ansbert Gadicke Major Shareholder	Sell	52,627	$0.93	$48,943.11
11/18/2025	Bioventures 2014 L.P. Mpm Major Shareholder	Sell	52,627	$0.93	$48,943.11
11/18/2025	Luke Evnin Director	Sell	33,776	$0.93	$31,411.68
11/17/2025	Ansbert Gadicke Major Shareholder	Sell	57,061	$0.95	$54,207.95
11/17/2025	Bioventures 2014 L.P. Mpm Major Shareholder	Sell	57,061	$0.95	$54,207.95
11/17/2025	Luke Evnin Director	Sell	36,621	$0.95	$34,789.95
11/14/2025	Ansbert Gadicke Major Shareholder	Sell	61,640	$0.93	$57,325.20
11/14/2025	Bioventures 2014 L.P. Mpm Major Shareholder	Sell	61,640	$0.93	$57,325.20
11/14/2025	Luke Evnin Director	Sell	39,560	$0.93	$36,790.80
11/13/2025	Ansbert Gadicke Major Shareholder	Sell	90,951	$0.98	$89,131.98
11/13/2025	Bioventures 2014 L.P. Mpm Major Shareholder	Sell	90,951	$0.98	$89,131.98
11/13/2025	Luke Evnin Director	Sell	58,372	$0.98	$57,204.56
11/12/2025	Ansbert Gadicke Major Shareholder	Sell	40,669	$1.09	$44,329.21
11/12/2025	Bioventures 2014 L.P. Mpm Major Shareholder	Sell	40,669	$1.09	$44,329.21
11/12/2025	Luke Evnin Director	Sell	26,101	$1.09	$28,450.09
11/11/2025	Ansbert Gadicke Major Shareholder	Sell	55,810	$1.14	$63,623.40
11/11/2025	Bioventures 2014 L.P. Mpm Major Shareholder	Sell	55,810	$1.14	$63,623.40
11/11/2025	Luke Evnin Director	Sell	35,818	$1.14	$40,832.52
11/10/2025	Ansbert Gadicke Major Shareholder	Sell	48,570	$1.18	$57,312.60
11/10/2025	Bioventures 2014 L.P. Mpm Major Shareholder	Sell	48,570	$1.18	$57,312.60
11/10/2025	Luke Evnin Director	Sell	31,172	$1.18	$36,782.96
11/7/2025	Ansbert Gadicke Major Shareholder	Sell	68,480	$1.11	$76,012.80
11/7/2025	Bioventures 2014 L.P. Mpm Major Shareholder	Sell	68,480	$1.11	$76,012.80
11/7/2025	Luke Evnin Director	Sell	43,950	$1.11	$48,784.50

11/6/2025	Ansbert Gadicke Major Shareholder	Sell	54,452	$1.21	$65,886.92
11/6/2025	Bioventures 2014 L.P. Mpm Major Shareholder	Sell	54,452	$1.21	$65,886.92
11/6/2025	Luke Evnin Director	Sell	34,947	$1.21	$42,285.87
11/5/2025	Ansbert Gadicke Major Shareholder	Sell	47,950	$1.22	$58,499.00
11/5/2025	Bioventures 2014 L.P. Mpm Major Shareholder	Sell	47,950	$1.22	$58,499.00
11/5/2025	Luke Evnin Director	Sell	30,774	$1.22	$37,544.28
11/4/2025	Ansbert Gadicke Major Shareholder	Sell	140,488	$1.22	$171,395.36
11/4/2025	Bioventures 2014 L.P. Mpm Major Shareholder	Sell	140,488	$1.22	$171,395.36
11/4/2025	Luke Evnin Director	Sell	90,164	$1.22	$110,000.08
11/3/2025	Ansbert Gadicke Major Shareholder	Sell	94,063	$1.29	$121,341.27
11/3/2025	Bioventures 2014 L.P. Mpm Major Shareholder	Sell	94,063	$1.29	$121,341.27
11/3/2025	Luke Evnin Director	Sell	60,369	$1.29	$77,876.01
10/31/2025	Ansbert Gadicke Major Shareholder	Sell	114,044	$1.28	$145,976.32
10/31/2025	Bioventures 2014 L.P. Mpm Major Shareholder	Sell	114,044	$1.28	$145,976.32
10/31/2025	Luke Evnin Director	Sell	73,192	$1.28	$93,685.76
10/30/2025	Ansbert Gadicke Major Shareholder	Sell	86,936	$1.43	$124,318.48
10/30/2025	Bioventures 2014 L.P. Mpm Major Shareholder	Sell	86,936	$1.43	$124,318.48
10/30/2025	Luke Evnin Director	Sell	55,795	$1.43	$79,786.85
10/29/2025	Ansbert Gadicke Major Shareholder	Sell	134,240	$1.55	$208,072.00
10/29/2025	Bioventures 2014 L.P. Mpm Major Shareholder	Sell	134,240	$1.55	$208,072.00
10/29/2025	Luke Evnin Director	Sell	86,154	$1.55	$133,538.70
10/28/2025	Ansbert Gadicke Major Shareholder	Sell	69,068	$1.64	$113,271.52
10/28/2025	Bioventures 2014 L.P. Mpm Major Shareholder	Sell	69,068	$1.64	$113,271.52
10/28/2025	Luke Evnin Director	Sell	44,327	$1.64	$72,696.28
10/27/2025	Ansbert Gadicke Major Shareholder	Sell	72,709	$1.72	$125,059.48
10/27/2025	Bioventures 2014 L.P. Mpm Major Shareholder	Sell	72,709	$1.72	$125,059.48
10/27/2025	Luke Evnin Director	Sell	46,664	$1.72	$80,262.08
5/14/2025	Ra Capital Management, L.P. Director	Buy	162,539	$0.98	$159,288.22
5/12/2025	Ra Capital Management, L.P. Director	Buy	320,913	$0.86	$275,985.18

(Data available from 1/1/2013 forward)

HOWL Insider Trading Activity - Frequently Asked Questions

: The list of insiders at Werewolf Therapeutics includes Ansbert Gadicke, Bioventures 2014 L.P. Mpm, Luke Evnin, and Ra Capital Management, L.P.. Learn more on insiders at HOWL.
: 23.60% of Werewolf Therapeutics stock is owned by insiders. Learn more on HOWL's insider holdings.
: The following insider purchased HOWL shares in the last 24 months: Ra Capital Management, L.P. ($435,273.40).
: Insiders have purchased a total of 483,452 HOWL shares in the last 24 months for a total of $435,273.40 bought.
: The following insiders have sold HOWL shares in the last 24 months: Ansbert Gadicke ($2,223,357.42), Bioventures 2014 L.P. Mpm ($2,225,418.57), and Luke Evnin ($2,433,432.90).
: Insiders have sold a total of 6,504,036 Werewolf Therapeutics shares in the last 24 months for a total of $6,882,208.89 sold.

Werewolf Therapeutics Active Insiders

Reid Leonard (Age 67)
COO

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This page (NASDAQ:HOWL) was last updated on 5/6/2026 by MarketBeat.com Staff.

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Werewolf Therapeutics (HOWL) Insider Trading & Ownership

HOWL Insider Buying and Selling by Quarter

Werewolf Therapeutics Insider and Congressional Trades History

HOWL Insider Trading Activity - Frequently Asked Questions

Werewolf Therapeutics Active Insiders

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Werewolf Therapeutics (HOWL) Insider Trading & Ownership

Werewolf Therapeutics (NASDAQ:HOWL) Insider Buying and Selling Activity

HOWL Insider Buying and Selling by Quarter

Werewolf Therapeutics Insider and Congressional Trades History

HOWL Insider Trading Activity - Frequently Asked Questions

Werewolf Therapeutics Active Insiders

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