Astera Labs director proposes sale of 12,499 shares

The remarks allocate the covered shares among a trust, an individual retirement account and a limited partnership.

Available on EDGAR 11/05/2026 - 02:59 PM EST Accepted by SEC EDGAR 11/05/2026 - 02:58 PM EST Learn about SEC filing dates

Rhea-AI Filing Summary

Astera Labs, Inc. (ALAB) director Stefan A. Dyckerhoff reported 12,499 common shares for sale, with an approximate sale date of November 5, 2026, through Stifel Nicolaus. The reported three-month history includes sales of 12,499 shares on October 7, 2026, for gross proceeds of $4,700,373 and 12,499 shares on September 2, 2026, for gross proceeds of $3,436,755.

Key Figures

Shares reported for sale: 12,499 shares Shares sold: 12,499 shares Gross proceeds: $4,700,373 +5 more

8 metrics

Shares reported for sale 12,499 shares Approximate sale date November 5, 2026

Shares sold 12,499 shares October 7, 2026

Gross proceeds $4,700,373 Sale on October 7, 2026

Shares sold 12,499 shares September 2, 2026

Gross proceeds $3,436,755 Sale on September 2, 2026

Shares sold by trust 8,333 shares Trust of which Stefan A. Dyckerhoff is a trustee

Shares sold by individual retirement account 3,505 shares Individual retirement account for Stefan A. Dyckerhoff

Shares sold by limited partnership 661 shares Allocation stated in the remarks

Key Terms

Rule 144, Distribution from a venture fund, limited partnership

3 terms

Rule 144 regulatory

"paragraph (a) of Rule 144"

Rule 144 is a U.S. securities regulation that sets conditions under which restricted or insider-held shares can be legally resold to the public, such as required holding periods, availability of public information, limits on how much can be sold at once, and certain filing requirements. For investors it matters because it determines when previously locked-up shares can enter the market — like a release valve that can increase supply, affect share price, and signal insider intent.

Distribution from a venture fund financial

"Distribution from a venture fund"

limited partnership financial

"sold by a limited partnership"

A limited partnership is a legal business structure with two types of partners: at least one general partner who runs the business and bears full legal responsibility, and one or more limited partners who contribute money, share profits, and have liability capped at their investment. For investors, it matters because it separates control from financial exposure — like putting money into a store without managing it — and affects how returns, risks, taxes and transferability of ownership are handled.

FAQ

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

How many ALAB shares did director Stefan A. Dyckerhoff report for sale?

He reported 12,499 common shares for sale, with an approximate sale date of November 5, 2026, through Stifel Nicolaus.

Which entities are associated with the shares in Stefan A. Dyckerhoff's ALAB sale notice?

The remarks state that 8,333 shares were sold by a trust of which he is trustee, 3,505 shares by an individual retirement account for him, and 661 shares by a limited partnership.

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

144: Filer Information

Filer CIK	0001484394
Filer CCC	XXXXXXXX
Is this a LIVE or TEST Filing?	LIVE TEST
Submission Contact Information
Name
Phone
E-Mail Address

144: 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: 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 501 N Broadway St Louis MO 63102	12499	37414702.00	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: 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	11/08/2019	Distribution from a venture fund	Sutter Hill Ventures			12499	11/08/2019	distribution

* 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: 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: 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	11/05/2026
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 Kaira under POA
ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)