Werewolf Therapeutics Inc.

Last updated September 27, 2026
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Organization details

Legal name
Werewolf Therapeutics Inc.
Ownership
Public
Status
Active
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

Follow this board

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 30 other boards.

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... 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. Parabilis Medicines Inc. Parabilis Medicines In... Derek DiRocco Derek DiRocco Peter Kolchinsky Peter Kolchinsky Rajeev M. Shah Rajeev M. Shah Werewolf Therapeutics Inc.
Shared director Other board Same sector +14 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
$8,666,208
163 sales by 12 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

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