Astera Labs director Hurlston receives 72 stock units

RSUs were granted in lieu of cash quarterly retainer fees and vest subject to continued service through the applicable vesting date.

Rhea-AI Filing Summary

Astera Labs, Inc. director Michael E. Hurlston was granted 72 restricted stock units on October 1, 2026, in lieu of cash compensation for quarterly non-employee director retainer fees, pursuant to his election. The RSUs provide for 100% vesting on the three-month anniversary of August 15, 2026, subject to continuous service through that date. Each RSU represents a contingent right to one common share. His reported post-transaction holdings were 92,554 shares, including deferred stock units and dividend equivalent units.

Insider Trade Summary

Grant/Award: 72 shares

Grant/Award 1 txn

Insider HURLSTON MICHAEL E.

Role Director

Type	Security	Shares	Price	Value
Grant/Award	Common Stock F1, F2	72	$311.57	$22K

Holdings After Transaction: Common Stock — 92,554 shares (Direct)

Footnotes (2)

1. F1. These shares represent an award of restricted stock units ("RSUs") granted on October 1, 2026, under the Astera Labs, Inc. 2024 Stock Option and Incentive Plan in lieu of cash compensation for quarterly non-employee director retainer fees pursuant to the Reporting Person's election. The award provides that 100% of the RSUs will vest on the three-month anniversary of the Vesting Commencement Date of August 15, 2026, subject to the Reporting Person's continuous service relationship with the Issuer through the applicable vesting date. Each RSU represents a contingent right to receive one share of the Issuer's common stock.
2. F2. Includes deferred stock units and dividend equivalent units.

Key Figures

Restricted stock units awarded: 72 RSUs Reported per-share price: $311.57 per share Post-transaction holdings: 92,554 shares +1 more

4 metrics

Restricted stock units awarded 72 RSUs Granted October 1, 2026

Reported per-share price $311.57 per share Reported for the October 1, 2026 award

Post-transaction holdings 92,554 shares Includes deferred stock units and dividend equivalent units

Vesting 100% On the three-month anniversary of August 15, 2026, subject to continuous service

Key Terms

restricted stock units, Vesting Commencement Date, deferred stock units, dividend equivalent units

4 terms

restricted stock units financial

"award of restricted stock units"

Restricted stock units are a type of company reward where employees are promised shares of stock, but they only fully own these shares after meeting certain conditions, like staying with the company for a set time. They matter because they can become valuable assets and are often used to motivate employees to help the company succeed.

Vesting Commencement Date financial

"three-month anniversary of the Vesting Commencement Date"

The vesting commencement date is the starting point when an employee begins earning ownership rights to their promised benefits, such as stock options or retirement contributions. Think of it like the day a savings account is opened—only after this date do the benefits start to grow and become fully available over time. It matters to investors because it marks when the clock begins ticking toward full ownership, affecting the timing and value of these benefits.

deferred stock units financial

"Includes deferred stock units"

Deferred stock units are promises from a company to give an employee shares of stock at a future date, often after certain conditions are met or after leaving the company. They function like a form of delayed compensation, allowing employees to earn shares over time. For investors, they represent potential future ownership in the company, but do not provide immediate voting rights or dividends until the shares are actually received.

dividend equivalent units financial

"Includes ... dividend equivalent units"

Dividend equivalent units are bookkeeping credits that mirror cash dividends paid on actual shares, granted to holders of stock-based awards such as restricted stock units or deferred compensation. They matter to investors because they increase a company’s reported employee compensation cost and can lead to issuance of more shares or cash payouts over time, similar to extra pay linked to ownership that affects shareholder dilution and corporate cash flow.

FAQ

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

How many RSUs did ALAB director Michael E. Hurlston receive?

Michael E. Hurlston, a director of Astera Labs, received 72 restricted stock units on October 1, 2026. They were granted in lieu of cash compensation for quarterly non-employee director retainer fees, at his election, and 100% are scheduled to vest on the three-month anniversary of August 15, 2026, subject to continuous service.

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

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Available on EDGAR 10/09/2026 - 07:20 PM Accepted by SEC EDGAR 10/09/2026 - 07:20 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^*

HURLSTON MICHAEL E.

(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)
10/01/2026

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	10/01/2026		A		72(1)	A	$311.57	92,554(2)	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 October 1, 2026, under the Astera Labs, Inc. 2024 Stock Option and Incentive Plan in lieu of cash compensation for quarterly non-employee director retainer fees pursuant to the Reporting Person's election. The award provides that 100% of the RSUs will vest on the three-month anniversary of the Vesting Commencement Date of August 15, 2026, subject to the Reporting Person's continuous service relationship with the Issuer through the applicable vesting date. Each RSU represents a contingent right to receive one share of the Issuer's common stock.

2. Includes deferred stock units and dividend equivalent units.

Remarks:

	/s/ Philip Mazzara, Attorney-in-Fact	10/09/2026
	** 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)