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

Rhea-AI Filing Summary

Astera Labs (ALAB) Form 4 reports two consecutive insider sales by CEO & Director Jitendra Mohan on 17-18 Jul 2025 pursuant to a Rule 10b5-1 plan adopted 2 Dec 2024.

• 17 Jul 2025: 80,503 common shares sold through six estate-planning trusts at a weighted-average price of $94.37.
• 18 Jul 2025: 45,755 common shares sold through the same trusts at a weighted-average price of $100.25.

Total disposition: 126,258 shares (~1 % of reported holdings). Post-sale beneficial ownership remains substantial at roughly 9.8 million shares, including 2.26 million held directly and 7.54 million held indirectly across multiple trusts.

No derivative activity was disclosed. Because the sales were automatic and represent a small fraction of total ownership, they appear to be routine liquidity events; however, investors may monitor future filings for additional insider trends.

Positive

• Sales executed under a pre-established Rule 10b5-1 plan, lowering the risk of opportunistic timing.
• CEO retains approximately 9.8 million shares, demonstrating continued significant alignment with shareholders.

Negative

• 126,258-share disposition by the CEO introduces a modestly bearish insider signal.
• Weighted-average sale range of $94-$100 may create perceived overhead supply for the stock.

Insights

Securities Analyst

TL;DR: Small, pre-planned CEO sale; neutral signal.

The 126k-share sale is modest against Mr. Mohan’s 9.8 m-share stake and was executed under a 10b5-1 plan, reducing concerns over timing. No derivatives exercised and ownership remains above 10 % of shares outstanding (exact float not disclosed). The weighted-average prices near $95-$100 indicate the CEO took advantage of recent strength but did not meaningfully reduce exposure. I view the filing as neutral for valuation—insider confidence is largely intact, yet ongoing selling could weigh on sentiment if volumes persist.

Portfolio Manager

TL;DR: Insider selling slightly negative for momentum.

Even though the trade is rule-based, any CEO disposal can trigger momentum algorithms. Combined volume (126k) equals roughly one day’s average trading volume for many mid-caps, potentially adding short-term supply at the $95-$100 range. Longer term, retention of nearly 10 m shares limits downside interpretation, but I assign a mild negative bias until further insider activity clarifies direction.

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).

1. Name and Address of Reporting Person^*

Mohan Jitendra

(Last) (First) (Middle)

C/O ASTERA LABS, INC.

2345 NORTH FIRST STREET

(Street)

SAN JOSE CA 95131

(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
X	Officer (give title below)		Other (specify below)
	Chief Executive Officer

3. Date of Earliest Transaction (Month/Day/Year)
07/17/2025

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	07/17/2025		S(1)		13,418	D	$94.3653(2)	4,325,758	I	By Living Trust(3)
Common Stock	07/17/2025		S(1)		13,417	D	$94.3653(2)	745,749	I	By Trust(4)
Common Stock	07/17/2025		S(1)		13,417	D	$94.3653(2)	745,756	I	By 2021 Trust 1(5)
Common Stock	07/17/2025		S(1)		13,417	D	$94.3653(2)	745,756	I	By 2021 Trust 2(6)
Common Stock	07/17/2025		S(1)		13,417	D	$94.3653(2)	495,757	I	By 2022 Trust 1(7)
Common Stock	07/17/2025		S(1)		13,417	D	$94.3653(2)	495,757	I	By 2022 Trust 2(8)
Common Stock	07/18/2025		S(1)		7,625	D	$100.2542(9)	4,318,133	I	By Living Trust(3)
Common Stock	07/18/2025		S(1)		7,626	D	$100.2542(9)	738,123	I	By Trust(4)
Common Stock	07/18/2025		S(1)		7,626	D	$100.2542(9)	738,130	I	By 2021 Trust 1(5)
Common Stock	07/18/2025		S(1)		7,626	D	$100.2542(9)	738,130	I	By 2021 Trust 2(6)
Common Stock	07/18/2025		S(1)		7,626	D	$100.2542(9)	488,131	I	By 2022 Trust 1(7)
Common Stock	07/18/2025		S(1)		7,626	D	$100.2542(9)	488,131	I	By 2022 Trust 2(8)
Common Stock								2,262,318	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. The sales reported in this Form 4 occurred automatically pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on December 2, 2024.

2. The price reported in Column 4 is a weighted average price of the aggregate number of shares sold. These shares were sold in multiple transactions in bulk with 13,554 shares sold at prices ranging from $90.9000 to $91.8900, 23,349 shares sold at prices ranging from $91.900 to $92.8700, 6,301 shares sold at prices ranging from $92.9900 to $93.9800, 1,299 shares sold at prices ranging from $93.9900 to $94.7500, 5,000 shares sold at prices ranging from $95.0800 to $96.0700, 18,247 shares sold at prices ranging from $96.0900 to $97.0800, 9,453 shares sold at prices ranging from $97.0900 to $98.0800, and 3,300 shares sold at prices ranging from $98.0900 to $98.9800, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the U.S. Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote.

3. These shares are owned directly by a living trust (the "Living Trust"), of which the Reporting Person is a trustee. The Reporting Person disclaims beneficial ownership of these securities, except to the extent, if any, of his pecuniary interest therein, and the filing of this Form 4 is not an admission that the Reporting Person is the beneficial owner of these securities for purposes of Section 16 or for any other purpose.

4. These shares are owned directly by an estate planning trust (the "Trust"). The Reporting Person disclaims beneficial ownership of these securities, except to the extent, if any, of his pecuniary interest therein, and the filing of this Form 4 is not an admission that the Reporting Person is the beneficial owner of these securities for purposes of Section 16 or for any other purpose.

5. These shares are owned directly by an estate planning trust (the "2021 Trust 1"), of which the Reporting Person is a trustee. The Reporting Person disclaims beneficial ownership of these securities, except to the extent, if any, of his pecuniary interest therein, and the filing of this Form 4 is not an admission that the Reporting Person is the beneficial owner of these securities for purposes of Section 16 or for any other purpose.

6. These shares are owned directly by an estate planning trust (the "2021 Trust 2"), of which the Reporting Person is a trustee. The Reporting Person disclaims beneficial ownership of these securities, except to the extent, if any, of his pecuniary interest therein, and the filing of this Form 4 is not an admission that the Reporting Person is the beneficial owner of these securities for purposes of Section 16 or for any other purpose.

7. These shares are owned directly by an estate planning trust (the "2022 Trust 1"). The Reporting Person disclaims beneficial ownership of these securities, except to the extent, if any, of his pecuniary interest therein, and the filing of this Form 4 is not an admission that the Reporting Person is the beneficial owner of these securities for purposes of Section 16 or for any other purpose.

8. These shares are owned directly by an estate planning trust (the "2022 Trust 2"). The Reporting Person disclaims beneficial ownership of these securities, except to the extent, if any, of his pecuniary interest therein, and the filing of this Form 4 is not an admission that the Reporting Person is the beneficial owner of these securities for purposes of Section 16 or for any other purpose.

9. The price reported in Column 4 is a weighted average price of the aggregate number of shares sold. These shares were sold in multiple transactions in bulk with 45,755 shares sold at prices ranging from $100.0000 to $100.4800, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the U.S. Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote.

Remarks:

	/s/ Philip Mazzara, Attorney-in-Fact	07/21/2025
	** 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).
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.

FAQ

How many Astera Labs (ALAB) shares did CEO Jitendra Mohan sell in July 2025?

The Form 4 shows 126,258 common shares sold on 17-18 July 2025.

What were the average selling prices for the ALAB shares?

Weighted-average prices were $94.37 on 17 July and $100.25 on 18 July 2025.

How many ALAB shares does the CEO still own after the sale?

Beneficial ownership remains about 9.8 million shares (2.26 m direct, 7.54 m indirect).

Were the insider sales part of a Rule 10b5-1 trading plan?

Yes. The filing states the transactions were executed automatically under a Rule 10b5-1 plan adopted on 2 Dec 2024.

Did the Form 4 report any derivative security activity?

No derivative securities were acquired, disposed of, or reported as outstanding in this filing.

Does the CEO remain a significant shareholder in Astera Labs?

Yes. Even after the sale, Mr. Mohan retains roughly 9.8 million ALAB shares across direct and trust holdings.