Werewolf Therapeutics, Inc. - HOWL

Insiders (Form 4) · last 180 days · showing up to 200 transactions · Form 144 is shown in the SEC filings tab · Updating…
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Transaction codes: P = Open-market purchase · S = Open-market sale · A = Grant/award · M = Exercise/conversion of derivative · G = Gift · F = Tax withholding · J = Other · A/D: A = Acquired (buy/receive) · D = Disposed (sell/give)
Filed Owner Title Code A/D Shares Price Value Shares after SEC
Jan 20, 2026 S D 38,782.0 0.54 20,942.28 2,159,860.0 View
Jan 15, 2026 S D 37,413.0 0.55 20,577.15 2,198,642.0 View
Jan 15, 2026 S D 30,616.0 0.57 17,451.12 2,236,055.0 View
Jan 15, 2026 S D 43,198.0 0.55 23,758.9 2,266,671.0 View
Jan 12, 2026 S D 58,980.0 0.57 33,618.6 2,309,869.0 View
Jan 12, 2026 S D 24,678.0 0.61 15,053.58 2,368,849.0 View
Jan 12, 2026 S D 7,716.0 0.63 4,861.08 2,393,527.0 View
Jan 07, 2026 S D 11,915.0 0.64 7,625.6 2,401,243.0 View
Jan 07, 2026 S D 40,761.0 0.65 26,494.65 2,413,158.0 View
Jan 07, 2026 S D 18,378.0 0.64 11,761.92 2,453,919.0 View
Jan 02, 2026 S D 18,568.0 0.63 11,697.84 2,472,297.0 View
Jan 02, 2026 S D 24,962.0 0.62 15,476.44 2,490,865.0 View
Jan 02, 2026 S D 34,847.0 0.61 21,256.67 2,515,827.0 View
Dec 29, 2025 S D 108,606.0 0.61 66,249.66 2,550,674.0 View
Dec 29, 2025 S D 35,632.0 0.63 22,448.16 2,659,280.0 View
Dec 29, 2025 S D 16,310.0 0.65 10,601.5 2,694,912.0 View
Dec 29, 2025 S D 71,428.0 0.63 44,999.64 2,711,222.0 View
Dec 29, 2025 S D 59,307.0 0.69 40,921.83 2,782,650.0 View
Dec 17, 2025 S D 9,983.0 1.14 11,380.62 2,841,957.0 View
Dec 17, 2025 S D 14,548.0 1.05 15,275.4 2,851,940.0 View
Dec 17, 2025 S D 23,640.0 1.07 25,294.8 2,866,488.0 View
Dec 12, 2025 S D 17,858.0 1.08 19,286.64 2,890,128.0 View
Dec 12, 2025 S D 28,009.0 1.07 29,969.63 2,907,986.0 View
Dec 12, 2025 S D 37,104.0 1.06 39,330.24 2,935,995.0 View
Dec 09, 2025 S D 44,570.0 1.01 45,015.7 2,973,099.0 View
Dec 09, 2025 S D 34,041.0 0.99 33,700.59 3,017,669.0 View
Dec 09, 2025 S D 16,568.0 0.97 16,070.96 3,051,710.0 View
Dec 04, 2025 S D 53,416.0 0.97 51,813.52 3,068,278.0 View
Dec 04, 2025 S D 36,726.0 0.87 31,951.62 3,121,694.0 View
Dec 04, 2025 S D 38,043.0 0.89 33,858.27 3,158,420.0 View
Dec 04, 2025 S D 83,230.0 0.97 80,733.1 4,784,111.0 View
Dec 04, 2025 S D 57,225.0 0.87 49,785.75 4,867,341.0 View
Dec 04, 2025 S D 59,277.0 0.89 52,756.53 4,924,566.0 View
Dec 04, 2025 S D 83,230.0 0.97 80,733.1 4,784,111.0 View
Dec 04, 2025 S D 57,225.0 0.87 49,785.75 4,867,341.0 View
Dec 04, 2025 S D 59,277.0 0.89 52,756.53 4,924,566.0 View
Dec 01, 2025 S D 39,096.0 0.94 36,750.24 3,196,463.0 View
Dec 01, 2025 S D 13,014.0 0.99 12,883.86 3,235,559.0 View
Dec 01, 2025 S D 38,978.0 0.98 38,198.44 3,248,573.0 View
Dec 01, 2025 S D 60,917.0 0.94 57,261.98 4,983,843.0 View
Dec 01, 2025 S D 20,277.0 0.99 20,074.23 5,044,760.0 View
Dec 01, 2025 S D 60,733.0 0.98 59,518.34 5,065,037.0 View
Dec 01, 2025 S D 60,917.0 0.94 57,261.98 4,983,843.0 View
Dec 01, 2025 S D 20,277.0 0.99 20,074.23 5,044,760.0 View
Dec 01, 2025 S D 60,733.0 0.98 59,518.34 5,065,037.0 View
Nov 25, 2025 S D 27,297.0 0.92 25,113.24 3,287,551.0 View
Nov 25, 2025 S D 56,992.0 0.98 55,852.16 3,314,848.0 View
Nov 25, 2025 S D 41,287.0 0.83 34,268.21 3,371,840.0 View
Nov 25, 2025 S D 42,533.0 0.92 39,130.36 5,125,770.0 View
Nov 25, 2025 S D 88,802.0 0.98 87,025.96 5,168,303.0 View
Nov 25, 2025 S D 64,331.0 0.83 53,394.73 5,257,105.0 View
Nov 25, 2025 S D 42,533.0 0.92 39,130.36 5,125,770.0 View
Nov 25, 2025 S D 88,802.0 0.98 87,025.96 5,168,303.0 View
Nov 25, 2025 S D 64,331.0 0.83 53,394.73 5,257,105.0 View
Nov 20, 2025 S D 26,411.0 0.89 23,505.79 3,413,127.0 View
Nov 20, 2025 S D 42,566.0 0.94 40,012.04 3,439,538.0 View
Nov 20, 2025 S D 33,776.0 0.93 31,411.68 3,482,104.0 View
Nov 20, 2025 S D 41,152.0 0.89 36,625.28 5,321,436.0 View
Nov 20, 2025 S D 66,324.0 0.94 62,344.56 5,362,588.0 View
Nov 20, 2025 S D 52,627.0 0.93 48,943.11 5,428,912.0 View
Nov 20, 2025 S D 41,152.0 0.89 36,625.28 5,321,436.0 View
Nov 20, 2025 S D 66,324.0 0.94 62,344.56 5,362,588.0 View
Nov 20, 2025 S D 52,627.0 0.93 48,943.11 5,428,912.0 View
Nov 17, 2025 S D 36,621.0 0.95 34,789.95 3,515,880.0 View
Nov 17, 2025 S D 39,560.0 0.93 36,790.8 3,552,501.0 View
Nov 17, 2025 S D 58,372.0 0.98 57,204.56 3,592,061.0 View
Nov 17, 2025 S D 57,061.0 0.95 54,207.95 5,481,539.0 View
Nov 17, 2025 S D 61,640.0 0.93 57,325.2 5,538,600.0 View
Nov 17, 2025 S D 90,951.0 0.98 89,131.98 5,600,240.0 View
Nov 17, 2025 S D 57,061.0 0.95 54,207.95 5,481,539.0 View
Nov 17, 2025 S D 61,640.0 0.93 57,325.2 5,538,600.0 View
Nov 17, 2025 S D 90,951.0 0.98 89,131.98 5,600,240.0 View
Nov 12, 2025 S D 26,101.0 1.09 28,450.09 3,650,433.0 View
Nov 12, 2025 S D 35,818.0 1.14 40,832.52 3,676,534.0 View
Nov 12, 2025 S D 31,172.0 1.18 36,782.96 3,712,352.0 View
Nov 12, 2025 S D 43,950.0 1.11 48,784.5 3,743,524.0 View
Nov 12, 2025 S D 40,669.0 1.09 44,329.21 5,691,191.0 View
Nov 12, 2025 S D 55,810.0 1.14 63,623.4 5,731,860.0 View
Nov 12, 2025 S D 48,570.0 1.18 57,312.6 5,787,670.0 View
Nov 12, 2025 S D 68,480.0 1.11 76,012.8 5,836,240.0 View
Nov 12, 2025 S D 40,669.0 1.09 44,329.21 5,691,191.0 View
Nov 12, 2025 S D 55,810.0 1.14 63,623.4 5,731,860.0 View
Nov 12, 2025 S D 48,570.0 1.18 57,312.6 5,787,670.0 View
Nov 12, 2025 S D 68,480.0 1.11 76,012.8 5,836,240.0 View
Nov 06, 2025 S D 34,947.0 1.21 42,285.87 3,787,474.0 View
Nov 06, 2025 S D 30,774.0 1.22 37,544.28 3,822,421.0 View
Nov 06, 2025 S D 90,164.0 1.22 110,000.08 3,853,195.0 View
Nov 06, 2025 S D 54,452.0 1.21 65,886.92 5,904,720.0 View
Nov 06, 2025 S D 47,950.0 1.22 58,499.0 5,959,172.0 View
Nov 06, 2025 S D 140,488.0 1.22 171,395.36 6,007,122.0 View
Nov 06, 2025 S D 54,452.0 1.21 65,886.92 5,904,720.0 View
Nov 06, 2025 S D 47,950.0 1.22 58,499.0 5,959,172.0 View
Nov 06, 2025 S D 140,488.0 1.22 171,395.36 6,007,122.0 View
Nov 03, 2025 S D 60,369.0 1.29 77,876.01 3,943,359.0 View
Nov 03, 2025 S D 73,192.0 1.28 93,685.76 4,003,728.0 View
Nov 03, 2025 S D 55,795.0 1.43 79,786.85 4,076,920.0 View
Nov 03, 2025 S D 94,063.0 1.29 121,341.27 6,147,610.0 View
Nov 03, 2025 S D 114,044.0 1.28 145,976.32 6,241,673.0 View
Nov 03, 2025 S D 86,936.0 1.43 124,318.48 6,355,717.0 View
Nov 03, 2025 S D 94,063.0 1.29 121,341.27 6,147,610.0 View
Nov 03, 2025 S D 114,044.0 1.28 145,976.32 6,241,673.0 View
Nov 03, 2025 S D 86,936.0 1.43 124,318.48 6,355,717.0 View
Oct 29, 2025 S D 86,154.0 1.55 133,538.7 4,132,715.0 View
Oct 29, 2025 S D 44,327.0 1.64 72,696.28 4,218,869.0 View
Oct 29, 2025 S D 46,664.0 1.72 80,262.08 4,263,196.0 View
Oct 29, 2025 S D 134,240.0 1.55 208,072.0 6,442,653.0 View
Oct 29, 2025 S D 69,068.0 1.64 113,271.52 6,576,893.0 View
Oct 29, 2025 S D 72,709.0 1.72 125,059.48 6,645,961.0 View
Oct 29, 2025 S D 134,240.0 1.55 208,072.0 6,442,653.0 View
Oct 29, 2025 S D 69,068.0 1.64 113,271.52 6,576,893.0 View
Oct 29, 2025 S D 72,709.0 1.72 125,059.48 6,645,961.0 View