Astera Labs (ALAB) Director Manuel Alba Sells 183,000 Shares

What Happened
Manuel Alba (Director) executed a series of open‑market sales on 2026-09-01, disposing of a total of 183,000 Astera Labs (ALAB) shares for aggregate proceeds of approximately $51,263,695. Individual lots traded at prices roughly in the $276.72–$288.99 range (various weighted‑average prices reported per lot). The sales were made pursuant to a Rule 10b5‑1 trading plan.

Key Details

• Transaction date: 2026-09-01 (Form 4 filed 2026-09-03). Filing appears timely.
• Total sold: 183,000 shares for ~$51.26 million.
• Price details: multiple lots with weighted average prices; overall ranges reported in footnotes span about $276.72 to $288.99. Specific lot prices are shown on the filing.
• Plan/footnotes: Footnote F1 confirms these sales occurred under a 10b5‑1 plan adopted May 22, 2026. Several footnotes (F10–F14, F2–F9) note weighted‑average pricing ranges and offer to provide per‑trade breakdowns on request.
• Ownership notes: Some shares are held by Casa Alameda 2007, LLC (F15) and an Alba 2003 Living Trust (F3); the reporting person disclaims beneficial ownership of those holdings except to the extent of any pecuniary interest.
• Shares owned after transaction: not specified in the provided filing excerpt.

Context
These were sales (not purchases or option exercises). Sales executed under a pre‑planned 10b5‑1 program are typically pre‑scheduled and do not, by themselves, indicate management sentiment about near‑term company prospects. For retail investors, purchases by insiders are often considered more informative than routine sales; note the filing’s footnotes if you need a per‑trade price breakdown.