---
schema_version: "secwatch.filing_event.v1"
accession: "0001104659-25-004918"
form_type: "8-K"
ticker: "VSTM"
cik: "0001526119"
company_name: "Verastem, Inc."
filed_at: "2025-01-21T23:59:59+00:00"
generated_at: "2026-05-27T22:05:29.258531+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.5
calibrated_materiality_score: 0.5
confidence: "high"
source: SEC EDGAR
---

# Verastem appoints Matthew E. Ros as COO effective Jan 14, 2025

## Summary
- Matthew E. Ros appointed Chief Operating Officer; reports to CEO Daniel W. Paterson.
- Initial annual base salary of $485,000 and target bonus of 45% of base salary.
- Receives 50,000 time-based RSUs vesting over 4 years and 33,333 milestone-based RSUs.
- Severance: 9 months salary and COBRA if terminated without cause or for good reason.
- Change-of-control triggers accelerated vesting of time-based awards and 12 months salary.

## SEC filing metadata
- accession: 0001104659-25-004918
- form_type: 8-K
- ticker: VSTM
- cik: 0001526119
- company_name: Verastem, Inc.
- filed_at: 2025-01-21T23:59:59+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.5
- calibrated_materiality_score: 0.5
- confidence: high
- sec_items: 5.02, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1526119/000110465925004918/0001104659-25-004918-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1526119/000110465925004918/tm253996d1_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001104659-25-004918
- JSON: https://secwatch.observer/filing/0001104659-25-004918.json
- Plain text: https://secwatch.observer/filing/0001104659-25-004918.txt

## Key facts
- Executive change
  Matthew E. Ros was appointed as Chief Operating Officer at Verastem, Inc..
  - Action: appointed
  - Role: Chief Operating Officer
  source text: Effective January 14, 2025, Verastem, Inc. (the “Company”) appointed Matthew E. Ros as Chief Operating Officer of the Company.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1526119/000110465925004918/0001104659-25-004918-index.htm

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