Astera Labs, Inc. — Director's Dealing 2025

Aug 12, 2025

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: Astera Labs, Inc. (ALAB)
CIK: 0001736297
Period of Report: 2025-08-07

Reporting Person: Dyckerhoff Stefan A (N/A)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2025-08-07	Common Stock	S	10940	$172.8563	Disposed	113214	Direct
2025-08-07	Common Stock	S	438	$172.8563	Disposed	9498	Indirect
2025-08-07	Common Stock	S	13963	$173.8568	Disposed	99251	Direct
2025-08-07	Common Stock	S	559	$173.8568	Disposed	8939	Indirect
2025-08-07	Common Stock	S	97	$174.52	Disposed	99154	Direct
2025-08-07	Common Stock	S	3	$174.52	Disposed	8936	Indirect
2025-08-08	Common Stock	S	25000	$175.2591	Disposed	74154	Direct
2025-08-08	Common Stock	S	1000	$175.2591	Disposed	7936	Indirect

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock	3767	Indirect
Common Stock	3765	Indirect
Common Stock	3765	Indirect
Common Stock	3765	Indirect
Common Stock	3765	Indirect
Common Stock	364064	Indirect

Footnotes

F1: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $172.50 to $173.50 inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F2: Includes 2,351 shares to be issued in connection with the vesting of restricted stock units. The Reporting Person shares pecuniary interest in such 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 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.

F4: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $173.515 to $174.405 inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F5: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $175.07 to $175.86 inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F6: 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.

F7: 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.