Astera Labs Director Files Form 144 to Sell $44.5M in Common Stock

Insider Filing Overview

Manuel Alba, a Director of Astera Labs, Inc., filed a Form 144 on September 1, 2026, through the Alba 2003 Living Trust, proposing the sale of 150,000 shares of common stock with an estimated market value of $44,547,000 ($296.98 per share).

Key Details

• Securities to be Sold: 150,000 Common Shares
• Aggregate Market Value: $44,547,000.00
• Trading Plan: The proposed sale is executed pursuant to a Rule 10b5-1 trading plan adopted on May 22, 2026.
• Origin of Shares: Originally acquired directly from the issuer for cash on March 21, 2018.
• Recent Past Sales (Past 3 Months): Related entities sold a cumulative 353,000 shares on July 1, 2026, generating approximately $156.7M in gross proceeds across three accounts:
  • MAR 2011 Childrens Trust: 170,000 shares ($75.46M)
  • Casa Alameda 2007, LLC: 33,000 shares ($14.65M)
  • Alba 2003 Living Trust: 150,000 shares ($66.58M)

Market Impact & Significance

This proposed transaction represents a significant dollar-value sale ($44.5M), continuing an established pre-scheduled liquidation pattern following the May 2026 Rule 10b5-1 plan adoption.