Form 4: Verastem CFO Sells Shares for Tax Withholding

Verastem's Chief Financial Officer, Daniel Calkins, sold 57 shares of common stock to cover tax obligations related to restricted stock unit vesting.

Summary

• Daniel Calkins, Chief Financial Officer of Verastem, Inc. (VSTM), reported a transaction on March 20, 2026.
• The transaction involved the disposition of 57 shares of Verastem Common Stock at a price of $5.74 per share.
• This sale was made to satisfy statutory withholding requirements in connection with the vesting of restricted stock units.
• Following this transaction, Daniel Calkins beneficially owns 121,327 shares of Common Stock directly.
• The transaction was made pursuant to a Rule 10b5-1(c) contract, instruction, or written plan.

Sentiment

Score: 5

Explanation: StockSavvy.ai views this as a neutral event. The transaction is a routine, non-discretionary sale for tax purposes related to RSU vesting and does not reflect a change in the CFO's investment sentiment or the company's operational performance.

Future Outlook

This filing does not contain any forward-looking statements or guidance regarding the company's future performance or strategic direction.

Industry Context

StockSavvy.ai notes that sales of shares to cover statutory withholding taxes upon the vesting of restricted stock units are a common and routine practice for corporate executives. This type of transaction is typically non-discretionary and does not usually signal a change in management's outlook on the company's prospects.

Comparison to Industry Standards

• This type of transaction, where shares are sold to cover tax obligations arising from equity compensation vesting, is standard practice across publicly traded companies globally.
• It is a common mechanism for executives to manage their tax liabilities associated with Restricted Stock Units (RSUs) or other forms of equity awards, aligning with practices seen at companies like Pfizer, Merck, or other biotech firms where equity compensation is prevalent.

Stakeholder Impact

• Shareholders: Minimal direct impact as this is a small, routine transaction for tax purposes and does not indicate a change in the company's fundamentals or management's confidence.

Key Dates

Recommendation

This Form 4 filing details a routine, non-discretionary sale of a small number of shares by the CFO to cover tax obligations related to RSU vesting. Such transactions are common and do not typically reflect a change in the executive's view of the company's prospects or its underlying value. Therefore, it provides no new information that would warrant a change in an investment thesis, leading to a 'hold' recommendation based solely on this filing.

Keywords

Verastem, VSTM, Form 4, Insider Transaction, Daniel Calkins, CFO, Stock Sale, RSU, Tax Withholding