---
schema_version: "secwatch.filing_event.v1"
accession: "0001193125-25-140727"
form_type: "8-K"
ticker: "HOWL"
cik: "0001785530"
company_name: "Werewolf Therapeutics, Inc."
filed_at: "2025-06-13T23:59:59+00:00"
generated_at: "2026-05-19T08:48:33.483468+00:00"
event_type: "other"
sentiment: "neutral"
materiality_score: 0.2
calibrated_materiality_score: 0.2
confidence: "high"
source: SEC EDGAR
---

# Werewolf Therapeutics adopts amended bylaws, elects directors at annual meeting

## Summary
- Board adopted Third Amended and Restated Bylaws effective June 12, 2025, updating stockholder nomination and proposal procedures.
- Stockholders elected Briggs Morrison, Michael Sherman, and Anil Singhal as Class I directors for three-year terms ending 2028.
- Director vote results: Morrison 19.16M for / 6.33M withheld; Sherman 20.66M for / 4.82M withheld; Singhal 24.58M for / 0.91M withheld.
- Ratified Ernst & Young LLP as independent auditor for fiscal year ending December 31, 2025 (33.50M for, 31K against, 84K abstain).

## SEC filing metadata
- accession: 0001193125-25-140727
- form_type: 8-K
- ticker: HOWL
- cik: 0001785530
- company_name: Werewolf Therapeutics, Inc.
- filed_at: 2025-06-13T23:59:59+00:00
- event_type: other
- sentiment: neutral
- materiality_score: 0.2
- calibrated_materiality_score: 0.2
- confidence: high
- sec_items: 5.03, 5.07, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1785530/000119312525140727/0001193125-25-140727-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1785530/000119312525140727/d49208d8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001193125-25-140727
- JSON: https://secwatch.observer/filing/0001193125-25-140727.json
- Plain text: https://secwatch.observer/filing/0001193125-25-140727.txt

## Key facts
- Governance Changes
  Werewolf Therapeutics, Inc.: Adopted Third Amended and Restated Bylaws to revise stockholder nomination procedures, clarify meeting presiding officers, and make administrative changes (effective 2025-06-12).
  - Change: bylaw amendment
  - Effective: 2025-06-12
  source text: On June 12, 2025, the board of directors of Werewolf Therapeutics, Inc. (the “Company”) adopted amended and restated bylaws of the Company (as amended and restated, the “Third Amended and Restated Bylaws” ), effective immediately, in order to, among other things: (a) revise and clarify certain procedural mechanics and informational requirements in connection with stockholder nominations of directors and submissions of stockholder proposals pursuant to the advance notice provisions of the Third Amended and Restated Bylaws, including by defining certain terms and requiring such stockholder to update such notice, if necessary, so that it remains true and correct closer to the meeting date; (b) specify individuals who may preside over meetings of the Company’s stockholders; and (c) make other administrative, modernizing, clarifying and conforming changes.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1785530/000119312525140727/0001193125-25-140727-index.htm

This AI-assisted summary is a reading aid. Review the linked SEC EDGAR filing before relying on any specific claim.