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Astera Labs (ALAB) awards 837 RSUs to director Bethany Mayer

Filing Impact
(Neutral)
Filing Sentiment
(Neutral)
Form Type
4

Rhea-AI Filing Summary

Mayer Bethany reported acquisition or exercise transactions in this Form 4 filing.

Astera Labs director Bethany Mayer received an equity award and reported trust holdings. She was granted 837 restricted stock units (RSUs) of Astera Labs, Inc. common stock on June 4, 2026 under the company’s 2024 Stock Option and Incentive Plan.

The RSU award vests in full on the earlier of the first anniversary of the grant date or the next annual stockholder meeting, subject to her continuous service. After this grant, she holds 6,236 shares directly. A separate 839 Astera Labs shares are held indirectly by The Jantzen/Mayer Family 2002 Trust, where she is a trustee and disclaims beneficial ownership except for any pecuniary interest.

Positive

  • None.

Negative

  • None.
Insider Mayer Bethany
Role null
Type Security Shares Price Value
Grant/Award Common Stock 837 $0.00 --
holding Common Stock -- -- --
Holdings After Transaction: Common Stock — 6,236 shares (Direct, null); Common Stock — 839 shares (Indirect, By Trust)
Footnotes (1)
  1. These shares represent an award of restricted stock units ("RSUs") granted on June 4, 2026 (the "Grant Date") under the Astera Labs, Inc. 2024 Stock Option and Incentive Plan. Such award vests in full upon the earlier of (i) the first anniversary of the Grant Date or (ii) the date of the next annual stockholder meeting of the Company following the Grant Date, 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. These shares are owned directly by The Jantzen/Mayer Family 2002 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 her 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.
RSU grant size 837 RSUs Award of restricted stock units on June 4, 2026
Direct holdings after grant 6,236 shares Astera Labs common stock held directly after transaction
Indirect trust holdings 839 shares Shares held by The Jantzen/Mayer Family 2002 Trust
Grant date June 4, 2026 RSUs granted under 2024 Stock Option and Incentive Plan
restricted stock units ("RSUs") financial
"These shares represent an award of restricted stock units ("RSUs") granted on June 4, 2026"
Restricted stock units (RSUs) are a company promise to give an employee shares of stock (or cash equivalent) in the future, but only after certain conditions—usually staying with the company for a set time or hitting performance goals—are met. Investors watch RSUs because when they vest they increase the number of shares outstanding and can lead insiders to sell shares, affecting share price, company dilution and the true cost of employee pay.
Astera Labs, Inc. 2024 Stock Option and Incentive Plan financial
"granted on June 4, 2026 (the "Grant Date") under the Astera Labs, Inc. 2024 Stock Option and Incentive Plan"
pecuniary interest financial
"disclaims beneficial ownership of these securities, except to the extent, if any, of her pecuniary interest therein"
Section 16 regulatory
"not an admission that the Reporting Person is the beneficial owner of these securities for purposes of Section 16 or for any other purpose"
Section 16 is a U.S. securities law rule that governs the trading and disclosure obligations of company insiders — typically officers, directors and large shareholders — to promote transparency and deter unfair profit-taking. It requires insiders to publicly report their stock trades and allows companies or the issuer to reclaim quick, short-term profits from certain insider trades, like a scoreboard and a refund policy that help investors see and limit possible insider advantage.
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Form 4 Insider Transactions: What Each Field Means →
SEC Form 4
FORM 4UNITED 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).
Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.
1. Name and Address of Reporting Person*
Mayer Bethany
(Last)(First)(Middle)
C/O ASTERA LABS, INC.
2345 NORTH FIRST STREET
(Street)
SAN JOSE CALIFORNIA 95131
(City)(State)(Zip)
UNITED STATES
(Country)		2. Issuer Name and Ticker or Trading Symbol
Astera Labs, Inc. [ ALAB ] 		5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
XDirector10% Owner
Officer (give title below)Other (specify below)
2a. Foreign Trading Symbol
3. Date of Earliest Transaction (Month/Day/Year)
06/04/2026		6. Individual or Joint/Group Filing (Check Applicable Line)
XForm filed by One Reporting Person
Form filed by More than One Reporting Person
4. If Amendment, Date of Original Filed (Month/Day/Year)

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)
CodeVAmount(A) or (D)Price
Common Stock06/04/2026A837(1)A$06,236D
Common Stock839IBy Trust(2)
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)
CodeV(A)(D)Date ExercisableExpiration DateTitleAmount or Number of Shares
Explanation of Responses:
1. These shares represent an award of restricted stock units ("RSUs") granted on June 4, 2026 (the "Grant Date") under the Astera Labs, Inc. 2024 Stock Option and Incentive Plan. Such award vests in full upon the earlier of (i) the first anniversary of the Grant Date or (ii) the date of the next annual stockholder meeting of the Company following the Grant Date, 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 The Jantzen/Mayer Family 2002 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 her 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.
Remarks:
/s/ Philip Mazzara, Attorney-in-Fact06/08/2026
** Signature of Reporting PersonDate
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.
* Form 4: SEC 1474 (03-26)

Source: View Original Filing on SEC EDGAR

FAQ

What insider transaction did Bethany Mayer report for Astera Labs (ALAB)?

Bethany Mayer reported receiving 837 restricted stock units of Astera Labs common stock as an equity award. She also reported 839 shares held indirectly through a family trust, where she serves as trustee and disclaims beneficial ownership except for any pecuniary interest.

How many Astera Labs (ALAB) RSUs did Bethany Mayer receive and when?

She received 837 restricted stock units of Astera Labs common stock on June 4, 2026. The grant was made under the Astera Labs, Inc. 2024 Stock Option and Incentive Plan as part of her compensation for service as a director.

What are the vesting terms of Bethany Mayer’s Astera Labs (ALAB) RSU grant?

The 837 RSUs vest in full on the earlier of the first anniversary of the June 4, 2026 grant date or the next annual stockholder meeting. Vesting is conditioned on her maintaining a continuous service relationship with Astera Labs through the applicable vesting date.

How many Astera Labs (ALAB) shares does Bethany Mayer hold after this filing?

After the RSU grant, Bethany Mayer holds 6,236 Astera Labs common shares directly. In addition, 839 shares are held indirectly by The Jantzen/Mayer Family 2002 Trust, where she is a trustee and disclaims beneficial ownership except for any pecuniary interest.

What is the role of The Jantzen/Mayer Family 2002 Trust in Astera Labs (ALAB) holdings?

The Jantzen/Mayer Family 2002 Trust directly owns 839 Astera Labs common shares, reported as indirect holdings for Bethany Mayer. She is a trustee and disclaims beneficial ownership of those securities except to the extent of any pecuniary interest she may have in the trust.