Form 4: Astera Labs Director Manuel Alba Sells Over 20,000 Shares Under Pre-Arranged Trading Plan

Astera Labs, Inc. Director and 10% Owner Manuel Alba reported the sale of 20,150 shares of common stock on June 20, 2025, executed automatically under a Rule 10b5-1 trading plan.

Summary

• Manuel Alba, a Director and 10% Owner of Astera Labs, Inc. (ALAB), reported the sale of 20,150 shares of the company's common stock.
• The sales occurred on June 20, 2025, and were executed automatically pursuant to a Rule 10b5-1 trading plan adopted by Mr. Alba on May 31, 2024.
• A total of 2,467 shares were sold directly at a weighted average price of $100.6269, with prices ranging from $100.0000 to $100.9900.
• An additional 1,242 shares were sold directly at a weighted average price of $101.2519, with prices ranging from $101.0000 to $101.7300.
• Furthermore, 10,934 shares held indirectly by the Alba Trust were sold at a weighted average price of $100.6271, within the $100.0000 to $100.9900 range.
• Another 5,507 shares held indirectly by the Alba Trust were sold at a weighted average price of $101.252, within the $101.0000 to $101.7300 range.
• Following these transactions, Mr. Alba's beneficial ownership includes 434,096 shares indirectly owned by Casa Alameda 2007, LLC, 432,854 shares indirectly owned by Casa Alameda 2007, LLC, 1,973,264 shares indirectly owned by Alba Trust, 1,967,757 shares indirectly owned by Alba Trust, 5,000 shares indirectly owned by his spouse, and 2,351 shares directly owned.
• Mr. Alba disclaims beneficial ownership of shares held by Casa Alameda 2007, LLC and Alba Trust, except to the extent of his pecuniary interest.

Sentiment

Score: 5

Explanation: The sentiment is neutral as the reported sales were conducted under a pre-arranged Rule 10b5-1 trading plan, indicating a planned liquidity event rather than a reaction to new company performance or outlook.

Industry Context

This filing is a routine disclosure of an insider stock transaction, specifically a sale executed under a pre-arranged Rule 10b5-1 trading plan. Such plans are common for corporate insiders to manage personal finances and avoid accusations of trading on material non-public information, as the trades are scheduled in advance.

Related Party Transactions

• Sales of common stock by Manuel Alba, a Director and 10% Owner of Astera Labs, Inc.
• Shares sold indirectly were held by Casa Alameda 2007, LLC and Alba Trust, entities for which the Reporting Person disclaims beneficial ownership except for pecuniary interest.

Stakeholder Impact

• Shareholders: The sale of shares by a director and 10% owner, while pre-planned, represents a reduction in insider ownership. However, given it's a 10b5-1 plan, it typically has minimal impact on investor sentiment compared to unplanned sales.

Key Dates

Keywords

Astera Labs, ALAB, Form 4, Insider Sale, Manuel Alba, 10b5-1 Plan, Director, 10% Owner, Stock Transaction