Astera Labs GC granted 5,893 RSUs at $0

Astera Labs, Inc. reported that its General Counsel and Secretary, Philip Mazzara, received an equity award in the form of restricted stock units.

Rhea-AI Filing Summary

Astera Labs, Inc. reported that its General Counsel and Secretary, Philip Mazzara, received an equity award in the form of restricted stock units. On February 6, 2026, he was granted 5,893 RSUs at a price of $0 per share under the 2024 Stock Option and Incentive Plan.

These RSUs vest 25% on February 15, 2027, with the remaining units vesting in 12 equal quarterly installments, as long as he continues his service with the company. Each RSU converts into one share of common stock upon vesting, bringing his directly owned common shares to 142,933 after this grant.

Insider Trade Summary

Grant/Award: 5,893 shares

Grant/Award 1 txn

Insider Mazzara Philip

Role General Counsel and Secretary

Type	Security	Shares	Price	Value
Grant/Award	Common Stock	5,893	$0.00	$0.00

Holdings After Transaction: Common Stock — 142,933 shares (Direct)

Footnotes (1)

1. F1. These shares represent an award of restricted stock units ("RSUs") granted on February 6, 2026 under the Astera Labs, Inc. 2024 Stock Option and Incentive 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.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What insider transaction did Astera Labs (ALAB) report for Philip Mazzara?

Astera Labs reported that General Counsel and Secretary Philip Mazzara received 5,893 restricted stock units on February 6, 2026. The award was granted at $0 per share under the 2024 Stock Option and Incentive Plan as part of his equity compensation.

How many Astera Labs (ALAB) shares does Philip Mazzara own after this Form 4 filing?

Following the reported grant, Philip Mazzara beneficially owns 142,933 shares of Astera Labs common stock directly. This total includes the newly awarded 5,893 restricted stock units that convert into common shares as they vest over time.

What are the vesting terms of the 5,893 RSUs granted by Astera Labs (ALAB)?

The 5,893 RSUs vest 25% on February 15, 2027, with the remaining units vesting in 12 equal quarterly installments. Vesting is contingent on Philip Mazzara maintaining a continuous service relationship with Astera Labs through each vesting date.

What does each RSU granted to Philip Mazzara by Astera Labs (ALAB) represent?

Each restricted stock unit granted to Philip Mazzara represents a contingent right to receive one share of Astera Labs common stock. Shares are only delivered as the RSUs vest according to the schedule tied to his continued service with the company.

Under which plan were Philip Mazzara’s RSUs from Astera Labs (ALAB) granted?

The 5,893 RSUs granted to Philip Mazzara were issued under the Astera Labs, Inc. 2024 Stock Option and Incentive Plan. This plan governs equity awards such as restricted stock units for eligible employees and officers of the company.

What is the transaction code used in Philip Mazzara’s Astera Labs (ALAB) Form 4?

The Form 4 uses transaction code “A” for Philip Mazzara’s award, indicating an acquisition of securities. The 5,893 restricted stock units were acquired at a price of $0 per share as part of his equity compensation package.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Accepted by SEC EDGAR 02/10/2026 - 06:51 PM Learn about SEC filing dates

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

Mazzara Philip

(Last) (First) (Middle)

C/O ASTERA LABS, INC.

2345 NORTH FIRST STREET

(Street)

SAN JOSE CA 95131

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
Astera Labs, Inc. [ ALAB ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	General Counsel and Secretary

3. Date of Earliest Transaction (Month/Day/Year)
02/06/2026

4. If Amendment, Date of Original Filed (Month/Day/Year)

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Common Stock	02/06/2026		A		5,893(1)	A	$0	142,933	D

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

1. These shares represent an award of restricted stock units ("RSUs") granted on February 6, 2026 under the Astera Labs, Inc. 2024 Stock Option and Incentive 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.

Remarks:

	/s/ Philip Mazzara	02/10/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.