---
schema_version: "secwatch.filing_event.v1"
accession: "0000950170-24-112962"
form_type: "8-K"
ticker: null
cik: "0001850838"
company_name: "Omega Therapeutics, Inc."
filed_at: "2024-10-04T23:59:59+00:00"
generated_at: "2026-05-30T20:42:38.138716+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.2
calibrated_materiality_score: 0.2
confidence: "high"
source: SEC EDGAR
---

# Omega Therapeutics elects Robert L. Rosiello to board as Class I director

## Summary
- Rosiello appointed effective October 2, 2024; receives standard director compensation.
- Annual retainer of $35,000 for board service under Non-Employee Director Compensation Program.
- Initial option grant of 50,000 shares at $1.09 strike, vesting monthly over 3 years.
- No arrangement or family relationship with other directors or officers; standard indemnification agreement.

## SEC filing metadata
- accession: 0000950170-24-112962
- form_type: 8-K
- cik: 0001850838
- company_name: Omega Therapeutics, Inc.
- filed_at: 2024-10-04T23:59:59+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.2
- calibrated_materiality_score: 0.2
- confidence: high
- sec_items: 5.02
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1850838/000095017024112962/0000950170-24-112962-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1850838/000095017024112962/omga-20241002.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0000950170-24-112962
- JSON: https://secwatch.observer/filing/0000950170-24-112962.json
- Plain text: https://secwatch.observer/filing/0000950170-24-112962.txt

## Key facts
- Executive change
  Robert L. Rosiello was elected as Class I director at Omega Therapeutics, Inc..
  - Action: elected
  - Role: Class I director
  source text: On October 2, 2024 (the “Effective Date”), the Board of Directors (the “Board”) of Omega Therapeutics, Inc. (the “Company”) elected Robert L. Rosiello as a Class I director of the Company, effective immediately.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1850838/000095017024112962/0000950170-24-112962-index.htm

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