Dyckerhoff Stefan A 4

4 · Astera Labs, Inc. · Filed Jul 2, 2026

AI-generated summary of this filing

Updated Jul 2, 2026

Astera Labs Director Stefan Dyckerhoff Sells 12,499 Shares

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.

Form 4

Period: 2026-07-01

Director

Transactions

Sale
Common Stock
[F1][F2]
2026-07-01$450.00/sh−3,505$1,577,250→ 57,466 total
Sale
Common Stock
[F1][F3]
2026-07-01$450.00/sh−8,333$3,749,850→ 311,399 total(indirect: By Trust)
Sale
Common Stock
[F1][F4]
2026-07-01$450.00/sh−661$297,450→ 4,631 total(indirect: By Partnership)

Holdings

Footnotes (5)

[F1]Shares were sold pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on December 1, 2025.
[F2]Includes shares to be issued in connection with the vesting of one or more restricted stock units. The Reporting Person shares pecuniary interest in these shares with other parties pursuant to contractual relationships. The Reporting Person disclaims beneficial ownership in these shares except as to the Reporting Person's pecuniary interest in these shares.
[F3]Shares held by a trust of which the Reporting Person is a Trustee. The Reporting Person disclaims beneficial ownership in these shares except as to the Reporting Person's pecuniary interest therein.
[F4]Shares held by a limited partnership of which the Reporting Person is a trustee of a trust which is the general partner. The Reporting Person disclaims beneficial ownership in these shares except as to the Reporting Person's pecuniary interest therein.
[F5]Shares held by an irrevocable trust of which the Reporting Person is a Trustee. The Reporting Person disclaims beneficial ownership in these shares except as to the Reporting Person's pecuniary interest therein.

Signature

/s/ Kanwalpreet S. Kalra, Attorney-in-Fact|2026-07-02

1 file