---
schema_version: "secwatch.filing_event.v1"
accession: "0001104659-22-104372"
form_type: "8-K"
ticker: "VSTM"
cik: "0001526119"
company_name: "Verastem, Inc."
filed_at: "2022-09-30T23:59:59+00:00"
generated_at: "2026-06-23T06:19:42.098273+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.65
calibrated_materiality_score: 0.65
confidence: "high"
source: SEC EDGAR
---

# Verastem CFO Robert Gagnon resigns effective Oct 31; VP Finance Daniel Calkins named interim principal financial officer

## Summary
- Robert Gagnon to step down as Chief Business and Financial Officer, effective October 31, 2022, to pursue other opportunities.
- Daniel Calkins, VP of Finance, appointed interim principal financial and accounting officer effective October 31, 2022.
- Calkins joined Verastem in December 2018, served as Controller from March 2020 and VP of Finance from September 2022.
- Company engaged Danforth Advisors for consulting support during the CFO search.

## SEC filing metadata
- accession: 0001104659-22-104372
- form_type: 8-K
- ticker: VSTM
- cik: 0001526119
- company_name: Verastem, Inc.
- filed_at: 2022-09-30T23:59:59+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.65
- calibrated_materiality_score: 0.65
- confidence: high
- sec_items: 5.02, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1526119/000110465922104372/0001104659-22-104372-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1526119/000110465922104372/tm2227038d1_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001104659-22-104372
- JSON: https://secwatch.observer/filing/0001104659-22-104372.json
- Plain text: https://secwatch.observer/filing/0001104659-22-104372.txt

## Key facts
- Executive change
  Robert Gagnon resigned as Chief Business and Financial Officer at Verastem, Inc..
  - Action: resigned
  - Role: Chief Business and Financial Officer
  source text: On September 27, 2022, Robert Gagnon notified Verastem, Inc. (the “Company)” of his decision to resign as Chief Business and Financial Officer of the Company, effective October 31, 2022, to pursue other career opportunities.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1526119/000110465922104372/0001104659-22-104372-index.htm
- Executive change
  Daniel Calkins was appointed as principal financial officer and principal accounting officer at Verastem, Inc..
  - Action: appointed
  - Role: principal financial officer and principal accounting officer
  source text: Effective October 31, 2022, Daniel Calkins, 35, the Company’s VP of Finance, will serve as the Company’s principal financial officer and principal accounting officer on an interim basis.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1526119/000110465922104372/0001104659-22-104372-index.htm

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