Form 4: Astera Labs General Counsel Philip Mazzara Sells Shares to Cover Tax Obligations and Under 10b5-1 Plan

Philip Mazzara, General Counsel and Secretary of Astera Labs, Inc. (ALAB), sold shares of common stock on February 18 and 20, 2025, to cover tax obligations and under a pre-arranged Rule 10b5-1 trading plan.

Summary

• Philip Mazzara, General Counsel and Secretary of Astera Labs, Inc., filed a Form 4 detailing changes in beneficial ownership.
• On February 18, 2025, Mazzara sold 7,536 shares of common stock at a weighted average price of $92.0706 to satisfy tax withholding obligations related to vesting restricted stock units.
• On February 20, 2025, Mazzara sold shares under a pre-arranged Rule 10b5-1 trading plan adopted on November 21, 2024.
• The sales on February 20 were executed in multiple transactions at varying prices: 6,928 shares at $85.7988, 14,170 shares at $86.7266, 12,949 shares at $87.5353, 14,760 shares at $88.7296, and 1,193 shares at $89.2414.
• Following these transactions, Mazzara directly owns 191,209 shares of Astera Labs common stock.

Sentiment

Score: 5

Explanation: The document is a routine filing related to stock sales by an insider. The sales are partly to cover tax obligations and partly under a pre-arranged trading plan, suggesting no particular positive or negative sentiment.

Industry Context

Sales by company insiders are a common occurrence and are often related to personal financial planning or diversification strategies. The use of a 10b5-1 trading plan suggests that these sales were pre-planned and not based on any inside information.

Stakeholder Impact

• The stock sales could have a minor negative impact on shareholder sentiment, but the pre-planned nature of the sales mitigates this concern.

Key Dates

Keywords

Form 4, Astera Labs, ALAB, Philip Mazzara, Beneficial Ownership, Stock Sale, Rule 10b5-1, Tax Withholding