Germaine Cota - 02 Feb 2026 Form 4 Insider Report for Astera Labs, Inc. (ALAB)

Role: Chief Accting. Off. & VP, Fin.
Signature: /s/ Philip Mazzara, Attorney-in-Fact
Issuer symbol: ALAB
Transactions as of: 02 Feb 2026
Net transactions value: $0
Form type: 4
Filing time: 04 Feb 2026, 19:45:25 UTC
Previous filing: 26 Jan 2026
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
Cota Germaine	Chief Accting. Off. & VP, Fin.	C/O ASTERA LABS, INC., 2345 NORTH FIRST STREET, SAN JOSE	/s/ Philip Mazzara, Attorney-in-Fact	04 Feb 2026	0001830532

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	ALAB	Common Stock	Award	$0	+21,817	+38959%	$0.000000	21,873	02 Feb 2026	Direct	F1
transaction	ALAB	Common Stock	Award	$0	+3,116	+14%	$0.000000	24,989	02 Feb 2026	Direct	F2

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	These shares represent an award of restricted stock units ("RSUs") granted on February 2, 2026 under the Astera Labs, Inc. 2024 Stock Option and Incentive Plan (the "Plan"). Such award provides that the RSUs shall vest as to 25% on February 15, 2027 and the remaining RSUs shall vest in 12 equal quarterly installments thereafter, subject to the Reporting Person's continuous service relationship with the Issuer through each applicable vesting date. Each RSU represents a contingent right to receive one share of the Issuer's Common Stock.
F2	These shares represent an award of RSUs granted on February 2, 2026 under the Plan. Such award provides that the RSUs shall vest as to 100% on February 15, 2027, subject to the Reporting Person's continuous service relationship with the Issuer through each applicable vesting date. Each RSU represents a contingent right to receive one share of the Issuer's Common Stock.

Content

These shares represent an award of restricted stock units ("RSUs") granted on February 2, 2026 under the Astera Labs, Inc. 2024 Stock Option and Incentive Plan (the "Plan"). Such award provides that the RSUs shall vest as to 25% on February 15, 2027 and the remaining RSUs shall vest in 12 equal quarterly installments thereafter, subject to the Reporting Person's continuous service relationship with the Issuer through each applicable vesting date. Each RSU represents a contingent right to receive one share of the Issuer's Common Stock.

These shares represent an award of RSUs granted on February 2, 2026 under the Plan. Such award provides that the RSUs shall vest as to 100% on February 15, 2027, subject to the Reporting Person's continuous service relationship with the Issuer through each applicable vesting date. Each RSU represents a contingent right to receive one share of the Issuer's Common Stock.