Astera Labs (ALAB) director awarded 837 RSUs in stock grant

Rhea-AI Filing Summary

BARRATT CRAIG H reported acquisition or exercise transactions in this Form 4 filing.

Astera Labs, Inc. director Craig H. Barratt received an award of 837 restricted stock units on June 4, 2026 under the Astera Labs, Inc. 2024 Stock Option and Incentive Plan. Each RSU represents a contingent right to receive one share of common stock.

The RSUs vest in full on the earlier of the first anniversary of the grant date or the next annual stockholder meeting, subject to his continuous service with the company through the vesting date. Following this grant, Barratt directly holds 6,825 shares of common stock.

Insights

Equity compensation analyst

Director received a routine RSU grant with time-based vesting.

Director Craig H. Barratt was granted 837 restricted stock units under the company’s 2024 Stock Option and Incentive Plan. The grant has no cash exercise price and represents standard equity compensation rather than an open-market purchase.

The RSUs vest in full on the earlier of the first anniversary of the June 4, 2026 grant date or the next annual stockholder meeting, conditioned on continuous service. After this award, Barratt owns 6,825 common shares directly, suggesting this is a modest-sized, routine board compensation grant.

Insider Trade Summary

1 transaction reported

Mixed 1 txn

Insider BARRATT CRAIG H

Role null

Type	Security	Shares	Price	Value
Grant/Award	Common Stock	837	$0.00	--

Holdings After Transaction: Common Stock — 6,825 shares (Direct, null)

Footnotes (1)

1. [object Object]

Key Figures

RSU grant size: 837 RSUs Transaction price per share: $0.00 per share Shares owned after grant: 6,825 shares +2 more

5 metrics

RSU grant size 837 RSUs Award of restricted stock units granted June 4, 2026

Transaction price per share $0.00 per share Reported price for the RSU grant

Shares owned after grant 6,825 shares Total common shares directly held following the transaction

Transaction code Code A Grant, award, or other acquisition of non-derivative common stock

Grant date June 4, 2026 Date RSU award was granted under 2024 plan

Key Terms

restricted stock units ("RSUs"), continuous service relationship, Astera Labs, Inc. 2024 Stock Option and Incentive Plan

3 terms

restricted stock units ("RSUs") financial

"These shares represent an award of restricted stock units ("RSUs") granted on June 4, 2026"

Restricted stock units (RSUs) are a company promise to give an employee shares of stock (or cash equivalent) in the future, but only after certain conditions—usually staying with the company for a set time or hitting performance goals—are met. Investors watch RSUs because when they vest they increase the number of shares outstanding and can lead insiders to sell shares, affecting share price, company dilution and the true cost of employee pay.

continuous service relationship financial

"subject to the Reporting Person's continuous service relationship with the Issuer through each applicable vesting date"

Astera Labs, Inc. 2024 Stock Option and Incentive Plan financial

"granted on June 4, 2026 under the Astera Labs, Inc. 2024 Stock Option and Incentive Plan"

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Form 4 Insider Transactions: What Each Field Means →

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^*

BARRATT CRAIG H

(Last) (First) (Middle)

C/O ASTERA LABS, INC.

2345 NORTH FIRST STREET

(Street)

SAN JOSE CALIFORNIA 95131

(City) (State) (Zip)

UNITED STATES

(Country)

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

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

X	Director		10% Owner
	Officer (give title below)		Other (specify below)

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
06/04/2026

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

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

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

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	06/04/2026		A		837(1)	A	$0	6,825	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 June 4, 2026 (the "Grant Date") under the Astera Labs, Inc. 2024 Stock Option and Incentive Plan. Such award vests in full upon the earlier of (i) the first anniversary of the Grant Date or (ii) the date of the next annual stockholder meeting of the Company following the Grant Date, 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, Attorney-in-Fact	06/08/2026
	** 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.
* Form 4: SEC 1474 (03-26)