Werewolf Therapeutics Inc.

Last updated September 27, 2026
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Organization details

Legal name
Werewolf Therapeutics Inc.
Ownership
Public
Status
Active
Sector (GICS)
Health Care
SIC code
2834 — Pharmaceutical Preparations
Jurisdiction of incorporation
Delaware
Headquarters city
Waltham
Headquarters state / province
Massachusetts
Headquarters country
United States
Fiscal year end
December
Ticker symbol
HOWL
Primary stock exchange
Nasdaq

Identifiers

SEC CIK
0001785530
EIN
82-3523180

Board of directors

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Director election results

Annual meeting of June 12, 2025. Support is votes for as a share of votes for and against (or withheld). Below 80% is a clear protest.

Board connections

7 of this board's directors also sit on 31 other boards. 31 are in the same sector.

Network of Werewolf Therapeutics Inc.'s board connections Acrivon Therapeutics Inc. Acrivon Therapeutics I... Evommune Inc. Evommune Inc. Mineralys Therapeutics Inc. Mineralys Therapeutics... ARS Pharmaceuticals Inc. ARS Pharmaceuticals In... Acumen Pharmaceuticals Inc. Acumen Pharmaceuticals... Artiva Biotherapeutics Inc. Artiva Biotherapeutics... Bambusa Therapeutics Inc. Bambusa Therapeutics I... Bicara Therapeutics Inc. Bicara Therapeutics In... Black Diamond Therapeutics Inc. Black Diamond Therapeu... Climb Bio Inc. Climb Bio Inc. Freenome Inc. Freenome Inc. Hemab Therapeutics Holdings Inc. Hemab Therapeutics Hol... Jade Biosciences Inc. Jade Biosciences Inc. Janux Therapeutics Inc. Janux Therapeutics Inc... LENZ Therapeutics Inc. LENZ Therapeutics Inc. Nkarta Inc. Nkarta Inc. Derek DiRocco Derek DiRocco Peter Kolchinsky Peter Kolchinsky Rajeev M. Shah Rajeev M. Shah Werewolf Therapeutics Inc.
Shared director Other board Same sector +15 more in the list below

Insider trades

All notable trades →

From SEC Forms 4 and 5. Open-market purchases and sales are highlighted; grants, option exercises and shares withheld for tax are routine.

Bought, last 12 months
$0
0 purchases by 0 insiders
Sold, last 12 months
$5,150,594
127 sales by 11 insiders
Date Insider Transaction Shares Price Value
Jul 7, 2026 Luke Evnin Director Open-market sale −107,429 $0.31 $33,303
Jul 6, 2026 Luke Evnin Director Open-market sale −35,770 $0.32 $11,446
Jun 29, 2026 Luke Evnin Director Open-market sale −157,084 $0.30 $47,125
Jun 17, 2026 RA CAPITAL MANAGEMENT, L.P. 10% owner Open-market sale −389,216 $0.35 $136,226
Jun 17, 2026 RA CAPITAL MANAGEMENT, L.P. 10% owner Open-market sale −27,695 $0.35 $9,693
Jun 16, 2026 RA CAPITAL MANAGEMENT, L.P. 10% owner Open-market sale −139,686 $0.37 $51,684
Jun 16, 2026 RA CAPITAL MANAGEMENT, L.P. 10% owner Open-market sale −9,939 $0.37 $3,677
Jun 15, 2026 RA CAPITAL MANAGEMENT, L.P. 10% owner Open-market sale −120,216 $0.39 $46,884
Jun 15, 2026 RA CAPITAL MANAGEMENT, L.P. 10% owner Open-market sale −8,554 $0.39 $3,336
Jun 12, 2026 RA CAPITAL MANAGEMENT, L.P. 10% owner Open-market sale −159,119 $0.40 $63,648
Jun 12, 2026 RA CAPITAL MANAGEMENT, L.P. 10% owner Open-market sale −11,322 $0.40 $4,529
Jun 11, 2026 Peter Kolchinsky 10% owner Open-market sale −245,066 $0.38 $93,125
Jun 11, 2026 Peter Kolchinsky 10% owner Open-market sale −17,437 $0.38 $6,626
Jun 10, 2026 Peter Kolchinsky 10% owner Open-market sale −42,872 $0.37 $15,863
Jun 10, 2026 Peter Kolchinsky 10% owner Open-market sale −3,051 $0.37 $1,129

Peers

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Questions about Werewolf Therapeutics Inc.

How many directors are on Werewolf Therapeutics Inc.'s board?

Werewolf Therapeutics Inc.'s board has 11 directors: Alon Lazarus, Anil K. Singhal, Briggs Morrison, Daniel J. Hicklin, Derek DiRocco, Luke Evnin, Meeta Chatterjee, Michael A. Sherman, Michael B. Atkins, Peter Kolchinsky and 1 other.

Are Werewolf Therapeutics Inc. insiders buying or selling shares?

Over the last 12 months, Werewolf Therapeutics Inc. insiders made no open-market purchases and sold $5.2 million of shares in 127 sales on the open market, as reported to the SEC on Forms 4 and 5.

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