Transaction · 0001134657-26-000015

Evnin Luke

EVNIN LUKE, DIR, reported an open-market or private sale at Werewolf Therapeutics, Inc. involving 32556.000000 shares for an estimated $14650.20. Reported holdings after the transaction were 622579.000000 shares. The stored filing text includes a detected 10b5-1 reference.

Open-market sellSEC transaction code SDIR
HOWLWerewolf Therapeutics, Inc.
Trade date
May 29, 2026
Filing date
May 29, 2026
View on SEC Insider profile
Estimated value-$14.6kShares × reported price
Shares traded32.5k$0.45 per share
Holdings after622kIndirect · See Footnotes
% of reported position traded4.97%This security and ownership context
How reported position traded is calculated

Shares sold ÷ (holdings after + shares sold). Estimated position before: 655,135 shares.

Row-level estimate for this security and ownership context, not the insider’s complete portfolio. Joint ownership, other transactions in the filing, amendments and footnotes can affect interpretation.

HOWL price since this filing

Daily closing prices, with the filing date and available return windows
HOWL · Daily closing priceLoading daily prices…
Filing dateReturn windows appear as prices become available.
Pre-filing1mo ago +51.1%1w ago -2.2%1d ago +0.0%
Returns since7d -13.3%30d -28.9%90d180d1y

Transaction facts

Stored Form 4 columns with their raw values

Non-derivative
Type
Sell
Code S
Identifier
0001134657-26-000015
Common Stock
Transaction date
May 29, 2026
Filed May 29, 2026, 10:51 PM · 0d delay
Shares
32,556 sh
$0.45 per share
Estimated value
-$14.6k
Computed from shares × price
Holdings after
622,579 sh
Indirect · See Footnotes

Filing signal explanations

Badges describe filing facts only — not predictions.

Cluster 14dRepeat 30dPattern $100kLarge $1.00M
10b5-1 Detected
Filing-only score

-6 points

Compact filing score computed from stored Form 4 facts. Version v1.

Mixed or weak signal

This filing has a negative filing-only score. It may be less informative as an insider-activity signal and needs extra context.

How this score is calculated
  • timely_filing+4 points

    reporting_delay_days = 0

    Filing reported within two business days of the transaction.
  • tenb5_1_detected-10 points

    is_10b5_1 = true

    Stored filing content includes detected 10b5-1 language.
Read the scoring methodology

Signed filing-only points, not a probability or expected return. Version v1.

Reported relationships & other filings

Form 4 relationship flags and nearby filing context

Reported roles

No officer title

Officer NoDirector Yes10% NoOther No
Footnotes & amended
  1. F1

    Transaction effected pursuant to a plan established pursuant to Rule 10b5-1 dated March 26, 2026.

  2. F2

    The shares were sold as follows: 8,663 by MPM Asset Management LLC ("AM LLC"), 54,692 by MPM BioVentures 2014, L.P. ("BV 2014"), 3,648 by MPM BIoVentures 2014(B), L.P. ("BV 2014(B)"), 1,883 by MPM Ass…

  3. F3

    The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $0.46 to $0.49705 inclusive. The Reporting Person undertakes to provi…

  4. F4

    MPM BioVentures 2014 GP LLC and MPM BioVentures 2014 LLC ("BV LLC") are the direct and indirect general partners of BV 2014 and BV 2014(B). BV LLC is the manager of AM BV2014. MPM Oncology Innovations…

  5. F5

    The shares are held as follows: 73,157 by AM LLC, 461,914 by BV 2014, 30,807 by BV 2014(B), 15,896 by AM BV2014 and 101,059 by MPM OIF.

  6. F6

    The shares were sold as follows: 2,968 by AM LLC, 18,736 by BV 2014, 1,250 by BV 2014(B), 645 by AM BV2014 and 4,099 by MPM OIF.

  7. F7

    The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $0.455 to $0.4858 inclusive. The Reporting Person undertakes to provi…

  8. F8

    The shares are held as follows: 70,189 by AM LLC, 443,178 by BV 2014, 29,557 by BV 2014(B), 15,251 by AM BV2014 and 96,960 by MPM OIF.

  9. F9

    The shares were sold as follows: 3,488 by AM LLC, 22,023 by BV 2014, 1,469 by BV 2014(B), 758 by AM BV2014 and 4,818 by MPM OIF.

  10. F10

    The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $0.44 to $0.4557 inclusive. The Reporting Person undertakes to provid…

  11. F11

    The shares are held as follows: 66,701 by AM LLC, 421,155 by BV 2014, 28,088 by BV 2014(B), 14,493 by AM BV2014 and 92,142 by MPM OIF.

Original filing · 0001134657-26-000015
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