Form 4: Verastem CFO Sells Shares for Tax Withholding

Verastem, Inc. CFO Daniel Calkins sold company stock to cover tax obligations related to vested restricted stock units.

Summary

• Daniel Calkins, Chief Financial Officer of Verastem, Inc., reported a transaction involving the sale of common stock.
• The sale occurred on June 22, 2026, and involved 4,032 shares at a price of $4.18 per share, and an additional 57 shares at $4.13 per share.
• These sales were made to satisfy statutory withholding requirements due to the vesting of restricted stock units.

Sentiment

Score: 5

Explanation: StockSavvy.ai views this as a neutral event, as the sale is for tax withholding purposes and not an indication of a change in the executive's confidence in the company.

Negatives

• The CFO sold company stock, which could be perceived negatively by the market, although the reason was for tax withholding.

Future Outlook

No specific future outlook or guidance was provided in this filing.

Management Comments

• The sale reported on this Form 4 represents shares sold by the Reporting Person to satisfy statutory withholding requirements in connection with the vesting of restricted stock units.

Industry Context

StockSavvy.ai notes that insider sales for tax withholding are common events and not necessarily indicative of a negative outlook on the company's future prospects, though they do reduce insider equity.

Stakeholder Impact

• Shareholders: The sale reduces the number of shares held by the CFO, but the reason for the sale is standard practice for equity compensation, so it may not significantly impact investor sentiment.

Key Dates

Keywords

Form 4, SEC Filing, Verastem, VSTM, Insider Transaction, Stock Sale, Tax Withholding, Restricted Stock Units, CFO