---
schema_version: "secwatch.filing_event.v1"
accession: "0001104659-23-066363"
form_type: "8-K"
ticker: "VSTM"
cik: "0001526119"
company_name: "Verastem, Inc."
filed_at: "2023-05-31T23:59:59+00:00"
generated_at: "2026-06-14T10:24:32.206311+00:00"
event_type: "other_material"
sentiment: "neutral"
materiality_score: 0.6
calibrated_materiality_score: 0.6
confidence: "high"
source: SEC EDGAR
---

# Verastem effects 1-for-12 reverse stock split to meet Nasdaq price requirement

## Summary
- Reverse stock split effective 5:00 p.m. ET May 31, 2023; trading on split-adjusted basis June 1 under VSTM.
- Outstanding shares reduced from ~200,872,633 to ~16,739,386; CUSIP changed to 92337C203.
- No fractional shares issued; cash paid at closing price of May 30 adjusted for 1-for-12 ratio.
- Authorized shares remain 300,000,000; par value unchanged at $0.0001 per share.
- Split designed to boost per-share price for continued Nasdaq listing and broader investor appeal.

## SEC filing metadata
- accession: 0001104659-23-066363
- form_type: 8-K
- ticker: VSTM
- cik: 0001526119
- company_name: Verastem, Inc.
- filed_at: 2023-05-31T23:59:59+00:00
- event_type: other_material
- sentiment: neutral
- materiality_score: 0.6
- calibrated_materiality_score: 0.6
- confidence: high
- sec_items: 3.03, 5.03, 8.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1526119/000110465923066363/0001104659-23-066363-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1526119/000110465923066363/tm2317400d1_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001104659-23-066363
- JSON: https://secwatch.observer/filing/0001104659-23-066363.json
- Plain text: https://secwatch.observer/filing/0001104659-23-066363.txt

## Key facts
- Governance Changes
  Verastem, Inc.: Amended restated certificate of incorporation to effect a one-for-twelve reverse stock split of common stock (effective 2023-05-30).
  - Change: charter amendment
  - Effective: 2023-05-30
  source text: On May 30, 2023, Verastem, Inc. (the “Company”) filed a Certificate of Amendment to the Company’s Restated Certificate of Incorporation, as amended to date, (the “Certificate of Amendment”) with the Secretary of State of the State of Delaware to effect a reverse stock split of the Company’s issued and outstanding common stock, par value $0.0001 (the “Common Stock”) at a ratio of one-for-twelve (the “Reverse Stock Split”).
  evidence_url: https://www.sec.gov/Archives/edgar/data/1526119/000110465923066363/0001104659-23-066363-index.htm

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