Astera Labs director proposes $2.64M share sale

The notice allocates the proposed shares among a trust, an individual retirement account and a limited partnership.

Available on EDGAR 11/09/2026 - 03:21 PM EST Accepted by SEC EDGAR 11/09/2026 - 03:20 PM EST Learn about SEC filing dates

Rhea-AI Filing Summary

Astera Labs, Inc. (ALAB) director Stefan A. Dyckerhoff filed notice of a proposed sale of 12,499 common shares, with an aggregate market value of $2,642,413.50 and an approximate sale date of November 5, 2026. The notice lists December 1, 2025, as the date of adoption or instruction for a Rule 10b5-1 plan. It attributes the shares among a trust of which Dyckerhoff is trustee (8,333 shares), his individual retirement account (3,505 shares), and a limited partnership of which his trust is general partner (661 shares). The notice also lists two prior sales of 12,499 shares each: on October 7, 2026, for gross proceeds of $4,700,373.00, and on September 2, 2026, for gross proceeds of $3,436,755.00.

Key Figures

Proposed common shares: 12,499 shares Aggregate market value: $2,642,413.50 Shares sold: 12,499 shares +3 more

6 metrics

Proposed common shares 12,499 shares Approximate sale date November 5, 2026

Aggregate market value $2,642,413.50 Proposed sale

Shares sold 12,499 shares October 7, 2026

Gross proceeds $4,700,373.00 Sale on October 7, 2026

Shares sold 12,499 shares September 2, 2026

Gross proceeds $3,436,755.00 Sale on September 2, 2026

Key Terms

Rule 10b5-1, Pro-rata distribution from a Venture Fund, Private Placement

3 terms

Rule 10b5-1 regulatory

"Date of Plan Adoption or Giving of Instruction, If Relying on Rule 10b5-1"

Rule 10b5-1 is a regulation that allows company insiders to buy or sell their shares at predetermined times, even if they have access to non-public information. It acts like setting a schedule in advance for transactions, helping prevent accusations of unfair trading. This rule provides a way for insiders to plan trades transparently, giving investors confidence that these transactions are not based on hidden information.

Pro-rata distribution from a Venture Fund financial

"Pro-rata distribution from a Venture Fund"

Private Placement financial

"Nature of Acquisition Transaction: Private Placement"

A private placement is a sale of securities directly to a selected group of investors, typically institutions or accredited investors, instead of through a public offering. It lets a company raise money faster and with fewer regulatory steps; for existing shareholders it matters because the newly issued shares, often sold at a discount, increase the share count and can dilute their ownership.

FAQ

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

How many ALAB shares does Stefan A. Dyckerhoff propose to sell?

Stefan A. Dyckerhoff, a director of Astera Labs, reported a proposed sale of 12,499 common shares, with an aggregate market value of $2,642,413.50 and an approximate sale date of November 5, 2026.

What recent ALAB share sales are listed for Stefan A. Dyckerhoff?

The notice lists a sale of 12,499 shares on October 7, 2026, for gross proceeds of $4,700,373.00, and a sale of 12,499 shares on September 2, 2026, for gross proceeds of $3,436,755.00.

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

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Form 144 Filer Information	UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 144 NOTICE OF PROPOSED SALE OF SECURITIES PURSUANT TO RULE 144 UNDER THE SECURITIES ACT OF 1933
FORM 144/A

144/A: Filer Information

Filer CIK	0001484394
Filer CCC	XXXXXXXX
Previous Accession Number Of The Filing	0001973251-26-000041
Is this a LIVE or TEST Filing?	LIVE TEST
Submission Contact Information
Name
Phone
E-Mail Address

144/A: Issuer Information

Name of Issuer	Astera Labs, Inc.
SEC File Number	001-41979
Address of Issuer	2345 NORTH FIRST STREET SAN JOSE CALIFORNIA 95131
Phone	408-766-3806
Name of Person for Whose Account the Securities are To Be Sold	Dyckerhoff Stefan A
See the definition of "person" in paragraph (a) of Rule 144. Information is to be given not only as to the person for whose account the securities are to be sold but also as to all other persons included in that definition. In addition, information shall be given as to sales by all persons whose sales are required by paragraph (e) of Rule 144 to be aggregated with sales for the account of the person filing this notice.
Relationship to Issuer	Director

144/A: Securities Information

Title of the Class of Securities To Be Sold	Name and Address of the Broker	Number of Shares or Other Units To Be Sold	Aggregate Market Value	Number of Shares or Other Units Outstanding	Approximate Date of Sale	Name the Securities Exchange
Common	Stifel Nicolaus & Company Inc 501 N Broadway St Louis CA 63102	12499	2642413.50	173490000	11/05/2026	NASDAQ

Furnish the following information with respect to the acquisition of the securities to be sold and with respect to the payment of all or any part of the purchase price or other consideration therefor:

144/A: Securities To Be Sold

Title of the Class	Date you Acquired	Nature of Acquisition Transaction	Name of Person from Whom Acquired	Is this a Gift?	Date Donor Acquired	Amount of Securities Acquired	Date of Payment	Nature of Payment *
Common	08/29/2024	Pro-rata distribution from a Venture Fund	Sutter Hill Ventures A CA LP via the Issuer via a private placement			4024	11/08/2019	Cash
Common	08/29/2024	Pro-rata distribution from a Venture Fund	Sutter Hill Ventures A CA LP via the Issuer via a private placement			4309	02/07/2020	Cash
Common	11/08/2019	Private Placement	Issuer			3505	11/08/2019	Cash
Common	05/17/2022	Private Placement	Issuer			661	05/17/2022	Cash

* If the securities were purchased and full payment therefor was not made in cash at the time of purchase, explain in the table or in a note thereto the nature of the consideration given. If the consideration consisted of any note or other obligation, or if payment was made in installments describe the arrangement and state when the note or other obligation was discharged in full or the last installment paid.

Furnish the following information as to all securities of the issuer sold during the past 3 months by the person for whose account the securities are to be sold.

144/A: Securities Sold During The Past 3 Months

Name and Address of Seller	Title of Securities Sold	Date of Sale	Amount of Securities Sold	Gross Proceeds
Stefan A Dyckerhoff 755 Page Mill Rd Ste A200 Palo Alto CA 94304	Common	10/07/2026	12499	4700373.00
Stefan A Dyckerhoff 755 Page Mill Rd Ste A200 Palo Alto CA 94304	Common	09/02/2026	12499	3436755.00

144/A: Remarks and Signature

Remarks	Of the shares covered by this Form 144: an aggregate of 8,333 shares were sold by a trust of which Mr. Dyckerhoff is a trustee; 3,505 shares were sold by an individual retirement account for Mr. Dyckerhoff; and 661 shares were sold by a limited partnership of which Mr. Dyckerhoff's trust is the trustee of a trust which is the general partner.
Date of Notice	11/09/2026
Date of Plan Adoption or Giving of Instruction, If Relying on Rule 10b5-1	12/01/2025
ATTENTION:
The person for whose account the securities to which this notice relates are to be sold hereby represents by signing this notice that he does not know any material adverse information in regard to the current and prospective operations of the Issuer of the securities to be sold which has not been publicly disclosed. If such person has adopted a written trading plan or given trading instructions to satisfy Rule 10b5-1 under the Exchange Act, by signing the form and indicating the date that the plan was adopted or the instruction given, that person makes such representation as of the plan adoption or instruction date.
Signature	Kanwalpreet S Kalra under POA
ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)