Dyckerhoff Stefan A 4

What Happened

• Stefan A. Dyckerhoff, a director of Astera Labs, sold a total of 12,499 shares on July 1, 2026 in three transactions at $450.00 per share, for aggregate proceeds of $5,624,550. The transactions are reported as open-market or private sales (code S).

Key Details

• Transaction dates and amounts:
  • 3,505 shares sold @ $450.00 = $1,577,250
  • 8,333 shares sold @ $450.00 = $3,749,850
  • 661 shares sold @ $450.00 = $297,450
• Total shares sold: 12,499; total proceeds: $5,624,550.
• Filing: Report filed July 2, 2026 for trades on July 1, 2026 (timely filing).
• Footnotes of note:
  • F1: Sales were made pursuant to a Rule 10b5-1 trading plan adopted December 1, 2025.
  • F2–F5: Various holdings are held via trusts or partnerships; the reporting person disclaims beneficial ownership of those shares except for pecuniary interest as noted.
• Shares owned after the transaction: not specified in this Form 4 filing.

Context

• These were sales (often routine) executed under a pre-established 10b5-1 plan, which typically schedules trades in advance and can reduce the inference of trading on nonpublic information. As with most insider sales, this is not an explicit signal of company outlook; purchases typically carry more weight for indicating insider confidence.