Astera Labs (ALAB) files Form 144 for 33,000-share sale via Morgan Stanley

Rhea-AI Filing Summary

Astera Labs, Inc. (ALAB) filing a Form 144 notifies a proposed sale of 33,000 common shares through Morgan Stanley Smith Barney LLC on NASDAQ with an aggregate market value of $6,012,600.00. The shares were acquired 11/30/2018 in a private acquisition from the issuer and paid in cash. The filing lists multiple prior 10b5-1 sales by related trusts and entities between 06/20/2025 and 07/21/2025, including individual sales of 51,000, 58,000, 29,000 and others. The signer represents no undisclosed material adverse information and cites a Rule 10b5-1 trading plan context where applicable.

Insights

Securities Analyst

TL;DR: Notice of a planned 33,000-share sale by an insider-account holder; prior 10b5-1 executions show active disposals in June–July 2025.

The filing is a routine disclosure under Rule 144 showing a proposed sale of 33,000 shares valued at $6.01M, executed through Morgan Stanley Smith Barney LLC on NASDAQ. The securities were originally acquired in 2018 from the issuer in a private transaction and paid in cash, which supports their non-restricted provenance. Multiple 10b5-1 sales listed for related trusts and entities between 06/20/2025 and 07/21/2025 indicate ongoing liquidation activity by affiliated holders. For investors, this is informational rather than a company operational disclosure; materiality is limited to potential share supply into the market.

Corporate Governance Expert

TL;DR: Proper Rule 144 notice filed; acquisition history and 10b5-1 disclosures are documented, with no disclosure of undisclosed material information.

The form provides the required representations under Rule 144, including the signer’s attestation they possess no undisclosed material adverse information. The record shows the securities were a private acquisition from the issuer on 11/30/2018, paid in cash, which typically satisfies the holding period and provenance tests for resale. The schedule of recent 10b5-1 sales for multiple related accounts is clearly reported, demonstrating compliance with prearranged trading plans. From a governance and disclosure perspective, the filing appears procedurally complete for the transaction described, with no statements beyond the required representations.

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

144: Issuer Information

Name of Issuer

SEC File Number

Address of Issuer

Phone

Name of Person for Whose Account the Securities are To Be Sold

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

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	Morgan Stanley Smith Barney LLC Executive Financial Services 1 New York Plaza 8th Floor New York NY 10004	33000	6012600.00	166219140	09/02/2025	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	11/30/2018	Private Acquisition from Issuer or an Affiliate	Issuer			33000	11/30/2018	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: 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
10b5-1 Sales for ALBA 2003 LIVING TRUST U/A DTD 07/29/2003 2345 North First Street San Jose CA 95131	Common	07/21/2025	13259	1471749.00
10b5-1 Sales for CASA ALAMEDA 2007, LLC 2345 North First Street San Jose CA 95131	Common	07/03/2025	1991	181432.07
10b5-1 Sales for ALBA 2003 LIVING TRUST U/A DTD 07/29/2003 2345 North First Street San Jose CA 95131	Common	07/03/2025	29000	2642656.90
10b5-1 Sales for MAR 2011 CHILDRENS TRUST U/A DTD 06/01/2011 2345 North First Street San Jose CA 95131	Common	07/03/2025	29722	2708449.94
10b5-1 Sales for CASA ALAMEDA 2007, LLC 2345 North First Street San Jose CA 95131	Common	07/02/2025	12000	1079386.80
10b5-1 Sales for ALBA 2003 LIVING TRUST U/A DTD 07/29/2003 2345 North First Street San Jose CA 95131	Common	07/02/2025	51000	4587393.90
10b5-1 Sales for MAR 2011 CHILDRENS TRUST U/A DTD 06/01/2011 2345 North First Street San Jose CA 95131	Common	07/02/2025	58000	5217036.20
10b5-1 Sales for CASA ALAMEDA 2007, LLC 2345 North First Street San Jose CA 95131	Common	06/20/2025	3709	374002.21
10b5-1 Sales for ALBA 2003 LIVING TRUST U/A DTD 07/29/2003 2345 North First Street San Jose CA 95131	Common	06/20/2025	16441	1657851.25
10b5-1 Sales for MAR 2011 CHILDRENS TRUST U/A DTD 06/01/2011 2345 North First Street San Jose CA 95131	Common	06/20/2025	21978	2216182.40

144: Remarks and Signature

Remarks

Date of Notice

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

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

ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)

FAQ

What shares is ALAB planning to sell under this Form 144?

The notice states a proposed sale of 33,000 common shares through Morgan Stanley Smith Barney LLC on NASDAQ with aggregate market value of $6,012,600.00.

When were the shares being sold originally acquired?

The shares were acquired on 11/30/2018 in a private acquisition from the issuer and payment was made in cash.

Are there recent related sales reported in the filing for ALAB?

Yes. The filing lists multiple 10b5-1 sales by related trusts and entities between 06/20/2025 and 07/21/2025, with individual sales such as 51,000, 58,000, and 29,000 shares.

Who is the broker handling the proposed sale?

The broker of record is Morgan Stanley Smith Barney LLC, located at Executive Financial Services, 1 New York Plaza, 8th Floor, New York, NY 10004.

Does the filer state they possess any undisclosed material information?

The filer signs a representation that they do not know any material adverse information about the issuer that has not been publicly disclosed.