Form 4: Astera Labs CFO Sells Shares for Tax Obligations

Astera Labs' Chief Financial Officer, Michael Truett Tate, sold 11,430 shares of common stock to cover tax withholding obligations related to restricted stock unit vesting.

Summary

• Michael Truett Tate, Chief Financial Officer of Astera Labs, Inc. (ALAB), disposed of a total of 11,430 shares of common stock on November 17, 2025.
• The sales were executed in four separate transactions at weighted average prices ranging from $143.5155 to $146.4152 per share.
• These sales were not discretionary trades but were required to satisfy tax withholding obligations in connection with the vesting and settlement of previously granted restricted stock units (RSUs).
• The sales were automatic and mandated by an election of Astera Labs made in advance of the vesting event to require a 'sell to cover' for tax obligations.
• Following these transactions, Michael Truett Tate directly beneficially owns 192,297 shares of common stock.
• Additionally, 450,281 shares are indirectly owned by the Tate 1997 Living Trust, of which the reporting person is a trustee, though beneficial ownership is disclaimed except for pecuniary interest.

Sentiment

Score: 5

Explanation: Neutral, as the transaction is a routine 'sell to cover' for tax obligations, not a discretionary sale indicating a change in sentiment towards the company.

Future Outlook

NA

Industry Context

NA

Stakeholder Impact

• Minimal direct impact on shareholders as this is a routine, non-discretionary 'sell to cover' transaction for tax purposes, not indicative of management's view on the company's future performance.
• No direct impact on employees, customers, suppliers, or creditors mentioned.

Key Dates

Recommendation

The filing details a routine 'sell to cover' transaction by the CFO to satisfy tax obligations upon RSU vesting. This is a non-discretionary sale and does not reflect a change in the insider's investment sentiment or the company's fundamentals. Therefore, it provides no new information to warrant a change from a 'hold' position based solely on this filing.

Keywords

Astera Labs, ALAB, Form 4, Insider Transaction, CFO, Stock Sale, Restricted Stock Units, Tax Withholding