---
schema_version: "secwatch.filing_event.v1"
accession: "0001628280-22-032209"
form_type: "8-K"
ticker: "SGMO"
cik: "0001001233"
company_name: "SANGAMO THERAPEUTICS, INC"
filed_at: "2022-12-19T23:59:59+00:00"
generated_at: "2026-06-21T02:18:31.783079+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.3
calibrated_materiality_score: 0.3
confidence: "high"
source: SEC EDGAR
---

# Sangamo appoints Courtney Beers and Margaret Horn to board; grants equity awards

## Summary
- Courtney Beers (Ph.D.) and Margaret A. Horn appointed to board effective Dec 15, 2022; Dr. Beers joins Compensation Committee, Ms. Horn joins Nominating Committee.
- Each received automatic grant: option to purchase 37,500 shares at $3.30 (Dec 15 closing price) vesting over 36 months, and RSU of 18,750 shares vesting in 3 annual installments.
- Board approved Fifth Amended and Restated Bylaws; includes updates for universal proxy rules (Rule 14a-19), Delaware exclusive forum, and stockholder proposal procedures.
- Standard indemnification agreements entered with each new director.

## SEC filing metadata
- accession: 0001628280-22-032209
- form_type: 8-K
- ticker: SGMO
- cik: 0001001233
- company_name: SANGAMO THERAPEUTICS, INC
- filed_at: 2022-12-19T23:59:59+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.3
- calibrated_materiality_score: 0.3
- confidence: high
- sec_items: 5.02, 5.03, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1001233/000162828022032209/0001628280-22-032209-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1001233/000162828022032209/sgmo-20221215.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001628280-22-032209
- JSON: https://secwatch.observer/filing/0001628280-22-032209.json
- Plain text: https://secwatch.observer/filing/0001628280-22-032209.txt

## Key facts
- Executive change
  Margaret A. Horn was appointed as Director at SANGAMO THERAPEUTICS, INC.
  - Action: appointed
  - Role: Director
  source text: On December 15, 2022, the Board of Directors (the “Board”) of Sangamo Therapeutics, Inc. (the “Company”), upon the recommendation of the Nominating and Corporate Governance Committee of the Board (the “Nominating Committee”), appointed Courtney Beers, Ph.D., and Margaret A. Horn to serve as directors of the Board until the Company’s next annual meeting of stockholders and until their successors have been duly elected and qualified, or until their earlier deaths, resignations or removals.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1001233/000162828022032209/0001628280-22-032209-index.htm
- Executive change
  Courtney Beers was appointed as Director at SANGAMO THERAPEUTICS, INC.
  - Action: appointed
  - Role: Director
  source text: On December 15, 2022, the Board of Directors (the “Board”) of Sangamo Therapeutics, Inc. (the “Company”), upon the recommendation of the Nominating and Corporate Governance Committee of the Board (the “Nominating Committee”), appointed Courtney Beers, Ph.D., and Margaret A. Horn to serve as directors of the Board until the Company’s next annual meeting of stockholders and until their successors have been duly elected and qualified, or until their earlier deaths, resignations or removals.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1001233/000162828022032209/0001628280-22-032209-index.htm
- Governance Changes
  SANGAMO THERAPEUTICS, INC: The Board approved and adopted the Fifth Amended and Restated Bylaws, effective immediately, making updates to stockholder meeting procedures, forum selection, indemnification, universal proxy rules, and other administrative revisions (effective 2022-12-15).
  - Change: bylaw amendment
  - Effective: 2022-12-15
  source text: On December 15, 2022, the Board, acting upon the recommendation of the Nominating Committee, approved and adopted an amendment and restatement of the Fourth Amended and Restated Bylaws of the Company (as so amended and restated, the “Fifth Amended and Restated Bylaws”), effective immediately.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1001233/000162828022032209/0001628280-22-032209-index.htm

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