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sellWeak cluster of 310b5-1 plan

Luke Evnin sold $155k of HOWL

director at Werewolf Therapeutics, Inc.. 137,041 shares at an average of $1.13, traded Nov 7, 2025, filed Nov 12, 2025.

Warning score
21
Value
$155k
137,041 shares
Holdings after
3,650,433
-4% from before
From 52-week low
-
no price yet
From 52-week high
-
no price yet

Score components

  • Role
    Director
    +15
  • Trade size
    $155k at market
    +11
  • Share of holdings sold
    Sold 3.6% of holdings
    0
  • Cluster
    3 insiders selling within 14 days
    +15
  • 10b5-1 plan
    Pre-scheduled under a 10b5-1 plan
    -20

What happened after comparable sells

Same side and tier, against the S&P 500, at 1, 3 and 6 months. Shown to Pro users; the whole table is on the backtest page.

This signal so far: 1m +0.9%, 3m -38.4%, 6m -46.4%.

Price around the trade, and since

From a quarter before the trade to today. The arrow is the trade, the circle the day the filing reached EDGAR, which is the first day anyone outside could act; the dotted line is the S&P 500 rebased to that day's close.

HOWLOct 12, 2026 · close 0.98
Since filing Nov 12, 2025: -9.9%SPY +15.1% · excess -25.0%

Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value; the dashed line is the close on the filing day, the dotted line SPY rebased to it.Charts by TradingView Lightweight Charts™

Rows in this filing

Every transaction in Form 4 0001134657-25-000008, as filed. Open on EDGAR

DateTransactionSharesPriceValueHoldings afterFiled
Nov 7, 2025SOpen-market sale
Common Stockindirect: See Footnotes10b5-1
-43,950$1.11$49k3,743,524Nov 12, 2025
Nov 10, 2025SOpen-market sale
Common Stockindirect: See Footnotes10b5-1
-31,172$1.18$37k3,712,352Nov 12, 2025
Nov 11, 2025SOpen-market sale
Common Stockindirect: See Footnotes10b5-1
-35,818$1.14$41k3,676,534Nov 12, 2025
Nov 12, 2025SOpen-market sale
Common Stockindirect: See Footnotes10b5-1
-26,101$1.09$28k3,650,433Nov 12, 2025

Related signals

Other insiders at Werewolf Therapeutics, Inc. and this insider’s other filings.

ScoreCompanyInsiderValueHoldingsFiled
21Weak
HOWLsell10b5-1
Werewolf Therapeutics, Inc.
Luke Evnin
director
$45k
143,199 shares
-100%
29Weak
HOWLsell 210b5-1
Werewolf Therapeutics, Inc.
Luke Evnin
director
$47k
157,084 shares
-52%
31Weak
HOWLsell 2
Werewolf Therapeutics, Inc.
Ra Capital Management, L.p.
owner
$146k
416,911 shares
-9%
31Weak
HOWLsell 2
Werewolf Therapeutics, Inc.
Ra Capital Management, L.p.
owner
$174k
448,836 shares
-9%
38Weak
HOWLsell 2
Werewolf Therapeutics, Inc.
Ra Capital Management, L.p.
owner
$254k
678,226 shares
-12%
13Weak
HOWLsell 210b5-1
Werewolf Therapeutics, Inc.
Luke Evnin
director
$28k
76,928 shares
-20%
14Weak
HOWLsell 210b5-1
Werewolf Therapeutics, Inc.
Luke Evnin
director
$43k
105,565 shares
-22%
16Weak
HOWLsell 210b5-1
Werewolf Therapeutics, Inc.
Luke Evnin
director
$64k
139,803 shares
-22%
16Weak
HOWLsell 210b5-1
Werewolf Therapeutics, Inc.
Luke Evnin
director
$66k
141,106 shares
-18%
17Weak
HOWLsell 210b5-1
Werewolf Therapeutics, Inc.
Luke Evnin
director
$87k
191,762 shares
-20%

Not investment advice. Scores and forward returns are decision support built from public SEC filings and past prices; they describe what happened after comparable filings, not what will happen after this one. Do your own research and size your risk.

Luke Evnin sold $155k of HOWL | InsiderTell