HOWL Werewolf Therapeutics, Inc.

NASDAQ
$0.98

Werewolf Therapeutics, Inc. (HOWL) Insider Activity

What the officers, directors and large holders did with their own shares. Only open-market purchases and sales count toward the totals — grants, option exercises and shares withheld for tax are compensation mechanics, not decisions, and they're listed separately below.

30D 90D 6M 1Y
Insider signal In line Selling ran in line with HOWL's own trailing one-year pace, with 89% of sale value under a prearranged plan.
Cluster activity 0 buyers in the last 30 days 0 buyers in the last 90 days 2 sellers in the last 90 days
Insiders buying
0
0 transactions
Insiders selling
2
163 transactions
Purchases
$0
0 shares
Sales
$8.7M
10,288,118 shares
Net activity
-$8.7M
purchases less sales

How much of that selling was preplanned? 89% planned / 11% discretionary

10b5-1 plan sales $7.7M 143 transactions · 8,178,978 shares
Discretionary sales $963.9K 20 transactions · 2,109,140 shares

Largest single sale: $249.6K.

Where they traded

Buy Sell Dot area is proportional to transaction value.

No open-market insider purchase on record.

Recent open-market activity

Date Insider Role Action Shares Price Value Held after
EVNIN LUKE Director Sell 10b5-1 107,429 $0.31 $33.3K None left
EVNIN LUKE Director Sell 10b5-1 35,770 $0.32 $11.4K 107,429 −25% of holding
EVNIN LUKE Director Sell 10b5-1 157,084 $0.30 $47.1K 143,199 −52.3% of holding
2 fills Sell 416,911 $0.35 $145.9K 4,268,448 −8.9% of holding
2 fills Sell 149,625 $0.37 $55.4K 4,657,664 −3.1% of holding
2 fills Sell 128,770 $0.39 $50.2K 4,797,350 −2.6% of holding
2 fills Sell 170,441 $0.40 $68.2K 4,917,566 −3.3% of holding
2 fills Sell 262,503 $0.38 $99.8K 5,076,685 −4.9% of holding
2 fills Sell 45,923 $0.37 $17.0K 5,321,751 −0.9% of holding
2 fills Sell 369,800 $0.37 $136.8K 5,364,623 −6.4% of holding
EVNIN LUKE Director Sell 10b5-1 76,928 $0.37 $28.5K 300,283 −20.4% of holding
EVNIN LUKE Director Sell 10b5-1 60,547 $0.40 $24.2K 377,211 −13.8% of holding
EVNIN LUKE Director Sell 10b5-1 24,946 $0.40 $10.0K 437,758 −5.4% of holding
EVNIN LUKE Director Sell 10b5-1 20,072 $0.44 $8.8K 462,704 −4.2% of holding
EVNIN LUKE Director Sell 10b5-1 29,749 $0.42 $12.5K 482,776 −5.8% of holding
EVNIN LUKE Director Sell 10b5-1 29,595 $0.45 $13.3K 512,525 −5.5% of holding
EVNIN LUKE Director Sell 10b5-1 80,459 $0.47 $37.8K 542,120 −12.9% of holding
EVNIN LUKE Director Sell 10b5-1 32,556 $0.45 $14.7K 622,579 −5% of holding
EVNIN LUKE Director Sell 10b5-1 27,698 $0.46 $12.7K 655,135 −4.1% of holding
EVNIN LUKE Director Sell 10b5-1 80,852 $0.48 $38.8K 682,833 −10.6% of holding
EVNIN LUKE Director Sell 10b5-1 67,950 $0.47 $31.9K 763,685 −8.2% of holding
EVNIN LUKE Director Sell 10b5-1 87,425 $0.45 $39.3K 831,635 −9.5% of holding
EVNIN LUKE Director Sell 10b5-1 36,387 $0.42 $15.3K 919,060 −3.8% of holding
EVNIN LUKE Director Sell 10b5-1 85,895 $0.43 $36.9K 955,447 −8.2% of holding
EVNIN LUKE Director Sell 10b5-1 62,970 $0.45 $28.3K 1,041,342 −5.7% of holding
EVNIN LUKE Director Sell 10b5-1 22,184 $0.50 $11.1K 1,104,312 −2% of holding
EVNIN LUKE Director Sell 10b5-1 44,679 $0.54 $24.1K 1,126,496 −3.8% of holding
2 fills Sell 101,151 $0.64 $64.7K 5,709,858 −1.7% of holding
EVNIN LUKE Director Sell 10b5-1 67,885 $0.64 $43.4K 1,171,175 −5.5% of holding
2 fills Sell 87,490 $0.67 $58.6K 5,804,290 −1.5% of holding
EVNIN LUKE Director Sell 10b5-1 33,948 $0.67 $22.7K 1,239,060 −2.7% of holding
2 fills Sell 376,526 $0.71 $267.3K 5,885,968 −6% of holding
EVNIN LUKE Director Sell 10b5-1 305,741 $0.70 $214.0K 1,273,008 −19.4% of holding
EVNIN LUKE Director Sell 10b5-1 79,086 $0.63 $49.8K 1,578,749 −4.8% of holding
EVNIN LUKE Director Sell 10b5-1 14,635 $0.66 $9.7K 1,657,835 −0.9% of holding
EVNIN LUKE Director Sell 10b5-1 6,860 $0.69 $4.7K 1,672,470 −0.4% of holding
EVNIN LUKE Director Sell 10b5-1 47,963 $0.72 $34.5K 1,679,330 −2.8% of holding
EVNIN LUKE Director Sell 10b5-1 58,394 $0.73 $42.6K 1,727,293 −3.3% of holding
EVNIN LUKE Director Sell 10b5-1 168,262 $0.72 $121.1K 1,785,687 −8.6% of holding
EVNIN LUKE Director Sell 10b5-1 56,559 $0.69 $39.0K 1,953,949 −2.8% of holding
EVNIN LUKE Director Sell 10b5-1 95,412 $0.73 $69.7K 2,010,508 −4.5% of holding
EVNIN LUKE Director Sell 10b5-1 53,940 $0.85 $45.8K 2,105,920 −2.5% of holding
EVNIN LUKE Director Sell 10b5-1 38,782 $0.54 $20.9K 2,159,860 −1.8% of holding
EVNIN LUKE Director Sell 10b5-1 37,413 $0.55 $20.6K 2,198,642 −1.7% of holding
EVNIN LUKE Director Sell 10b5-1 30,616 $0.57 $17.5K 2,236,055 −1.4% of holding
EVNIN LUKE Director Sell 10b5-1 43,198 $0.55 $23.8K 2,266,671 −1.9% of holding
EVNIN LUKE Director Sell 10b5-1 58,980 $0.57 $33.6K 2,309,869 −2.5% of holding
EVNIN LUKE Director Sell 10b5-1 24,678 $0.61 $15.1K 2,368,849 −1% of holding
EVNIN LUKE Director Sell 10b5-1 7,716 $0.63 $4.9K 2,393,527 −0.3% of holding
EVNIN LUKE Director Sell 10b5-1 11,915 $0.64 $7.6K 2,401,243 −0.5% of holding
EVNIN LUKE Director Sell 10b5-1 40,761 $0.65 $26.5K 2,413,158 −1.7% of holding
EVNIN LUKE Director Sell 10b5-1 18,378 $0.64 $11.8K 2,453,919 −0.7% of holding
EVNIN LUKE Director Sell 10b5-1 18,568 $0.63 $11.7K 2,472,297 −0.7% of holding
EVNIN LUKE Director Sell 10b5-1 24,962 $0.62 $15.5K 2,490,865 −1% of holding
EVNIN LUKE Director Sell 10b5-1 34,847 $0.61 $21.3K 2,515,827 −1.4% of holding
EVNIN LUKE Director Sell 10b5-1 108,606 $0.61 $66.2K 2,550,674 −4.1% of holding
EVNIN LUKE Director Sell 10b5-1 35,632 $0.63 $22.4K 2,659,280 −1.3% of holding
EVNIN LUKE Director Sell 10b5-1 16,310 $0.65 $10.6K 2,694,912 −0.6% of holding
EVNIN LUKE Director Sell 10b5-1 71,428 $0.63 $45.0K 2,711,222 −2.6% of holding
EVNIN LUKE Director Sell 10b5-1 59,307 $0.69 $40.9K 2,782,650 −2.1% of holding
EVNIN LUKE Director Sell 10b5-1 9,983 $1.14 $11.4K 2,841,957 −0.4% of holding
EVNIN LUKE Director Sell 10b5-1 14,548 $1.05 $15.3K 2,851,940 −0.5% of holding
EVNIN LUKE Director Sell 10b5-1 23,640 $1.07 $25.3K 2,866,488 −0.8% of holding
EVNIN LUKE Director Sell 10b5-1 17,858 $1.08 $19.3K 2,890,128 −0.6% of holding
EVNIN LUKE Director Sell 10b5-1 28,009 $1.07 $30.0K 2,907,986 −1% of holding
EVNIN LUKE Director Sell 10b5-1 37,104 $1.06 $39.3K 2,935,995 −1.2% of holding
EVNIN LUKE Director Sell 10b5-1 44,570 $1.01 $45.0K 2,973,099 −1.5% of holding
EVNIN LUKE Director Sell 10b5-1 34,041 $0.99 $33.7K 3,017,669 −1.1% of holding
EVNIN LUKE Director Sell 10b5-1 16,568 $0.97 $16.1K 3,051,710 −0.5% of holding
2 fills Sell 10b5-1 166,460 $0.97 $161.5K 4,784,111 −3.4% of holding
EVNIN LUKE Director Sell 10b5-1 53,416 $0.97 $51.8K 3,068,278 −1.7% of holding
2 fills Sell 10b5-1 114,450 $0.87 $99.6K 4,867,341 −2.3% of holding
EVNIN LUKE Director Sell 10b5-1 36,726 $0.87 $32.0K 3,121,694 −1.2% of holding
2 fills Sell 10b5-1 118,554 $0.89 $105.5K 4,924,566 −2.4% of holding
EVNIN LUKE Director Sell 10b5-1 38,043 $0.89 $33.9K 3,158,420 −1.2% of holding
2 fills Sell 10b5-1 121,834 $0.94 $114.5K 4,983,843 −2.4% of holding
EVNIN LUKE Director Sell 10b5-1 39,096 $0.94 $36.8K 3,196,463 −1.2% of holding
2 fills Sell 10b5-1 40,554 $0.99 $40.1K 5,044,760 −0.8% of holding
EVNIN LUKE Director Sell 10b5-1 13,014 $0.99 $12.9K 3,235,559 −0.4% of holding
2 fills Sell 10b5-1 121,466 $0.98 $119.0K 5,065,037 −2.3% of holding
EVNIN LUKE Director Sell 10b5-1 38,978 $0.98 $38.2K 3,248,573 −1.2% of holding
2 fills Sell 10b5-1 85,066 $0.92 $78.3K 5,125,770 −1.6% of holding
EVNIN LUKE Director Sell 10b5-1 27,297 $0.92 $25.1K 3,287,551 −0.8% of holding
2 fills Sell 10b5-1 177,604 $0.98 $174.1K 5,168,303 −3.3% of holding
EVNIN LUKE Director Sell 10b5-1 56,992 $0.98 $55.9K 3,314,848 −1.7% of holding
2 fills Sell 10b5-1 128,662 $0.83 $106.8K 5,257,105 −2.4% of holding
EVNIN LUKE Director Sell 10b5-1 41,287 $0.83 $34.3K 3,371,840 −1.2% of holding
2 fills Sell 10b5-1 82,304 $0.89 $73.3K 5,321,436 −1.5% of holding
EVNIN LUKE Director Sell 10b5-1 26,411 $0.89 $23.5K 3,413,127 −0.8% of holding
2 fills Sell 10b5-1 132,648 $0.94 $124.7K 5,362,588 −2.4% of holding
EVNIN LUKE Director Sell 10b5-1 42,566 $0.94 $40.0K 3,439,538 −1.2% of holding
2 fills Sell 10b5-1 105,254 $0.93 $97.9K 5,428,912 −1.9% of holding
EVNIN LUKE Director Sell 10b5-1 33,776 $0.93 $31.4K 3,482,104 −1% of holding
2 fills Sell 10b5-1 114,122 $0.95 $108.4K 5,481,539 −2% of holding
EVNIN LUKE Director Sell 10b5-1 36,621 $0.95 $34.8K 3,515,880 −1% of holding
2 fills Sell 10b5-1 123,280 $0.93 $114.7K 5,538,600 −2.2% of holding
EVNIN LUKE Director Sell 10b5-1 39,560 $0.93 $36.8K 3,552,501 −1.1% of holding
2 fills Sell 10b5-1 181,902 $0.98 $178.3K 5,600,240 −3.1% of holding
EVNIN LUKE Director Sell 10b5-1 58,372 $0.98 $57.2K 3,592,061 −1.6% of holding
2 fills Sell 10b5-1 81,338 $1.09 $88.7K 5,691,191 −1.4% of holding
EVNIN LUKE Director Sell 10b5-1 26,101 $1.09 $28.5K 3,650,433 −0.7% of holding
2 fills Sell 10b5-1 111,620 $1.14 $127.2K 5,731,860 −1.9% of holding
EVNIN LUKE Director Sell 10b5-1 35,818 $1.14 $40.8K 3,676,534 −1% of holding
2 fills Sell 10b5-1 97,140 $1.18 $114.6K 5,787,670 −1.7% of holding
EVNIN LUKE Director Sell 10b5-1 31,172 $1.18 $36.8K 3,712,352 −0.8% of holding
2 fills Sell 10b5-1 136,960 $1.11 $152.0K 5,836,240 −2.3% of holding
EVNIN LUKE Director Sell 10b5-1 43,950 $1.11 $48.8K 3,743,524 −1.2% of holding
2 fills Sell 10b5-1 108,904 $1.21 $131.8K 5,904,720 −1.8% of holding
EVNIN LUKE Director Sell 10b5-1 34,947 $1.21 $42.3K 3,787,474 −0.9% of holding
2 fills Sell 10b5-1 95,900 $1.22 $117.0K 5,959,172 −1.6% of holding
EVNIN LUKE Director Sell 10b5-1 30,774 $1.22 $37.5K 3,822,421 −0.8% of holding
2 fills Sell 10b5-1 280,976 $1.22 $342.8K 6,007,122 −4.5% of holding
EVNIN LUKE Director Sell 10b5-1 90,164 $1.22 $110.0K 3,853,195 −2.3% of holding
2 fills Sell 10b5-1 188,126 $1.29 $242.7K 6,147,610 −3% of holding
EVNIN LUKE Director Sell 10b5-1 60,369 $1.29 $77.9K 3,943,359 −1.5% of holding
2 fills Sell 10b5-1 228,088 $1.28 $292.0K 6,241,673 −3.5% of holding
EVNIN LUKE Director Sell 10b5-1 73,192 $1.28 $93.7K 4,003,728 −1.8% of holding
2 fills Sell 10b5-1 173,872 $1.43 $248.6K 6,355,717 −2.7% of holding
EVNIN LUKE Director Sell 10b5-1 55,795 $1.43 $79.8K 4,076,920 −1.4% of holding
2 fills Sell 10b5-1 268,480 $1.55 $416.1K 6,442,653 −4% of holding
EVNIN LUKE Director Sell 10b5-1 86,154 $1.55 $133.5K 4,132,715 −2% of holding
2 fills Sell 10b5-1 138,136 $1.64 $226.5K 6,576,893 −2.1% of holding
EVNIN LUKE Director Sell 10b5-1 44,327 $1.64 $72.7K 4,218,869 −1% of holding
2 fills Sell 10b5-1 145,418 $1.72 $250.1K 6,645,961 −2.1% of holding
EVNIN LUKE Director Sell 10b5-1 46,664 $1.72 $80.3K 4,263,196 −1.1% of holding

Form 4s are due within two business days of a transaction, so this is close to real time — unlike the quarterly 13F data on the Institutional tab. A single large sale often reflects a prearranged 10b5-1 plan rather than a fresh view, so read a pattern of sales rather than any one of them.