Sec Form 3 Filing - Mohan Jitendra @ Astera Labs, Inc. - 2024-03-19

FORM 3 Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

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, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940

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1. Name and Address of Reporting Person Mohan Jitendra 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 (Last) (First) (Middle) C/O ASTERA LABS, INC., 2901 TASMAN DRIVE, SUITE 205 3. Date of Earliest Transaction (MM/DD/YY) 03/19/2024 (Street) SANTA CLARA, CA95054 4. If Amendment, Date Original Filed (MM/DD/YY) 6. Individual or Joint/Group Filing (Check Applicable Line) __ X __ Form filed by One Reporting Person _____ Form filed by More than One Reporting Person (City) (State) (Zip)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned 1.Title of Security (Instr. 3) 2. Transaction Date (MM/DD/YY) 2A. Deemed Execution Date, if any (MM/DD/YY) 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 2,704,335 ( 1 ) D Common Stock 4,526,315 I By Living Trust ( 2 ) Common Stock 1,000,000 I By Trust ( 3 ) Common Stock 1,000,000 I By 2021 Trust 1 ( 4 ) Common Stock 1,000,000 I By 2021 Trust 2 ( 5 ) Common Stock 750,000 I By 2022 Trust 1 ( 6 ) Common Stock 750,000 I By 2022 Trust 2 ( 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 (MM/DD/YY) 3A. Deemed Execution Date, if any (MM/DD/YY) 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 (MM/DD/YY) 7. Title and Amount of Underlying Securities (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 of Derivative Security: 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 Series A Preferred Stock $ 0 ( 8 ) ( 8 ) Common Stock 66,288 I By Living Trust ( 2 )

Reporting Owners Reporting Owner Name / Address Relationships Director 10% Owner Officer Other Mohan Jitendra C/O ASTERA LABS, INC. 2901 TASMAN DRIVE, SUITE 205 SANTA CLARA, CA95054 X Chief Executive Officer Signatures /s/ Philip Mazzara, Attorney-in-Fact 03/19/2024 Signature of Reporting Person Date

Explanation of Responses:

( 1 )These shares represent an award of restricted stock units ("RSUs") granted on January 24, 2024 under the Astera Labs, Inc. Amended and Restated 2018 Equity Incentive Plan, all of which RSUs are currently unvested. Such award vests upon satisfaction of both (i) a time-based condition, which provides that the RSUs shall vest as to 25% on February 15, 2025 and the remaining RSUs shall vest in 12 equal quarterly installments thereafter, and (ii) a performance-based condition, which is satisfied upon the occurrence of a change in control of the Issuer or the consummation of an initial public offering of the Issuer's equity securities, subject to the Reporting Person's continuous service relationship with the Issuer through each applicable vesting date. Each RSU represents a contingent right to receive one share of the Issuer's Common Stock. ( 2 )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 3 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. ( 3 )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 3 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 "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 3 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 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 3 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 "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 3 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 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 3 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 )Each share of Series A Preferred Stock shall automatically convert into one share of Common Stock on a one-for-one basis, immediately upon the closing of the Issuer's initial public offering. The shares of Series A Preferred Stock have no expiration date.

Remarks: Exhibit 24 - Power of Attorney

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).

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