[Form 4] Astera Labs, Inc. Insider Trading Activity

Rhea-AI Filing Summary

Astera Labs director Stefan A. Dyckerhoff reported multiple sales of company common stock on 08/07/2025 and 08/08/2025 totaling 52,000 shares. The filings show weighted-average sale prices in ranges reported between $172.50 and $175.86. Following the reported transactions one line reports direct beneficial ownership of 74,154 shares and the filing discloses substantial indirect holdings, including 364,064 shares held by a trust and several ~3,765-share holdings by named entities. The form notes 2,351 shares to be issued upon vesting of restricted stock units and includes standard disclaimers that certain partnership and trust holdings are disclaimed except for pecuniary interest. The Form 4 is signed and dated 08/11/2025.

Positive

• Timely, detailed disclosure of multiple transactions with weighted-average price footnotes and a signed Form 4 dated 08/11/2025
• Substantial retained interest via indirect holdings, including a trust holding of 364,064 shares, indicating the reporting person remains economically invested

Negative

• Insider sales totaling 52,000 shares executed on 08/07/2025 and 08/08/2025, a material volume that may attract investor attention
• Direct beneficial ownership reduced in the filing to reported post-transaction figures such as 74,154 shares on 08/08/2025

Insights

Securities Analyst

TL;DR: Director conducted sizable open-market sales but continues to report significant indirect stake; disclosure is complete and timely.

The report documents 52,000 shares sold over two days at weighted-average prices within the $172.50–$175.86 range. From a market-sentiment perspective, concurrent sales of this magnitude can attract attention, yet the filer retains material indirect holdings—most notably 364,064 shares held by a trust—and the filing discloses 2,351 RSU-related shares to be issued. The disclosure is explicit about the nature of indirect ownership and includes requisite footnotes on weighted-average pricing, supporting transparency for investors evaluating insider activity.

Corporate Governance Expert

TL;DR: Significant director sales occurred and reduce direct holdings; governance watchers may view the transactions as notable but the filer maintains large indirect positions.

The Form 4 shows multiple sales on 08/07/2025 and 08/08/2025 that together amount to 52,000 shares, with explicit weighted-average price ranges provided in footnotes. One reported post-transaction direct holding is 74,154 shares while several trust and partnership entries indicate retained indirect ownership. The filing also contains standard disclaimers about beneficial ownership and provides commitment to furnish breakdowns of sales by price when requested, which aids regulatory and governance review.

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
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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^*

Dyckerhoff Stefan A

(Last) (First) (Middle)

755 PAGE MILL ROAD, SUITE A-200

(Street)

PALO ALTO CA 94304-1005

(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)

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

3. Date of Earliest Transaction (Month/Day/Year)
08/07/2025

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	08/07/2025		S		10,940	D	$172.8563(1)	113,214(2)	D
Common Stock	08/07/2025		S		438	D	$172.8563(1)	9,498	I	By Limited Partnership (TF)(3)
Common Stock	08/07/2025		S		13,963	D	$173.8568(4)	99,251(2)	D
Common Stock	08/07/2025		S		559	D	$173.8568(4)	8,939	I	By Limited Partnership (TF)(3)
Common Stock	08/07/2025		S		97	D	$174.52	99,154(2)	D
Common Stock	08/07/2025		S		3	D	$174.52	8,936	I	By Limited Partnership (TF)(3)
Common Stock	08/08/2025		S		25,000	D	$175.2591(5)	74,154(2)	D
Common Stock	08/08/2025		S		1,000	D	$175.2591(5)	7,936	I	By Limited Partnership (TF)(3)
Common Stock								3,767	I	By DIFT-2(6)
Common Stock								3,765	I	By DIFT-AMD(6)
Common Stock								3,765	I	By DIFT-BAD(6)
Common Stock								3,765	I	By DIFT-SHD(6)
Common Stock								3,765	I	By DIFT-IND(6)
Common Stock								364,064	I	By Trust(7)

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. 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.

2. 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.

3. 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.

4. 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.

5. 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.

6. 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.

7. 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.

	/s/ Kanwalpreet S. Kalra, Attorney-in-Fact	08/11/2025
	** 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).
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FAQ

What did the Astera Labs (ALAB) Form 4 filed by Stefan A. Dyckerhoff report?

The Form 4 reports that director Stefan A. Dyckerhoff sold shares on 08/07/2025 and 08/08/2025, with total reported sales of 52,000 shares and weighted-average prices noted in footnotes.

How many ALAB shares were sold and at what price range?

The filing shows 52,000 shares sold across the two dates with weighted-average sale prices and footnote ranges between $172.50 and $175.86.

How many ALAB shares does the filing show Dyckerhoff still beneficially owns?

The Form 4 shows post-transaction direct beneficial ownership figures such as 74,154 shares and discloses indirect holdings including 364,064 shares held by a trust.

Are any additional shares to be issued to the reporting person?

Yes. The filing explicitly states that 2,351 shares are to be issued in connection with the vesting of restricted stock units.

When was the Form 4 signed and filed?

The signature block on the form is dated 08/11/2025 and is signed by an Attorney-in-Fact on behalf of the reporting person.