Form 4: Allegro MicroSystems CFO Executes Tax-Related Share Sale

Allegro MicroSystems EVP and CFO Derek D'Antilio disposed of 37,840 shares to satisfy tax obligations related to equity vesting.

Summary

• Derek D'Antilio, EVP, CFO & Treasurer of Allegro MicroSystems, Inc. (ALGM), reported the disposition of 37,840 shares of common stock.
• The transaction occurred on May 16, 2026, at a price of $43.10 per share.
• The shares were withheld by the company to cover tax liabilities associated with the vesting of restricted stock units (RSUs) and performance-vesting restricted stock units.
• Following this transaction, the reporting person maintains a direct beneficial ownership of 238,813 shares.

Sentiment

Score: 5

Explanation: StockSavvy.ai views this as a neutral event, as it represents a routine administrative tax settlement rather than a strategic shift or discretionary insider trading.

Positives

• The transaction was a mandatory tax withholding event rather than a discretionary open-market sale, indicating no change in the executive's long-term confidence in the company.

Negatives

• Reduction in the total number of shares held directly by the CFO.

Risks

• None identified; this is a routine administrative transaction related to compensation tax obligations.

Future Outlook

No forward-looking guidance or strategic outlook provided in this filing.

Management Comments

• The filing notes that the shares were withheld to cover taxes due upon the vesting of restricted stock units and performance-vesting restricted stock units previously granted by the issuer.

Industry Context

StockSavvy.ai notes that tax-related share withholdings are standard corporate governance practices for executives at publicly traded technology firms, reflecting the vesting of equity-based compensation packages.

Comparison to Industry Standards

• The transaction aligns with standard executive compensation practices in the semiconductor industry, where equity vesting triggers automatic tax withholding events.

Stakeholder Impact

• Minimal impact on shareholders as the transaction is a standard tax-related equity settlement.

Next Steps

• None indicated.

Key Dates

Keywords

ALGM, Allegro MicroSystems, Insider Trading, Form 4, CFO, Equity Vesting, Tax Withholding