Philip Mazzara - 18 Aug 2025 Form 4 Insider Report for Astera Labs, Inc. (ALAB)

Role
General Counsel and Secretary
Signature
/s/ Philip Mazzara
Issuer symbol
ALAB
Transactions as of
18 Aug 2025
Transactions value $
$-1,328,065
Form type
4
Filing time
20 Aug 2025, 20:29:07 UTC
Previous filing
29 Jul 2025
Next filing
02 Sep 2025
SEC
View on sec.gov

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Mazzara Philip General Counsel and Secretary C/O ASTERA LABS, INC., 2345 NORTH FIRST STREET, SAN JOSE /s/ Philip Mazzara 20 Aug 2025 0001998163

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction ALAB Common Stock Sale $-682,026 -3,710 -2.07% $183.83 175,100 18 Aug 2025 Direct F1, F2
transaction ALAB Common Stock Sale $-646,039 -3,527 -2.01% $183.17 171,573 18 Aug 2025 Direct F1, F3
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 Represents shares of the Issuer's Common Stock required to be sold by the Reporting Person to satisfy tax withholding obligations in connection with the vesting and settlement of restricted stock units previously granted to the Reporting Person. Such sales were automatic and mandated by an election of the Issuer made in advance of the vesting event to require the satisfaction of tax withholding obligations to be funded by a "sell to cover", and does not represent a discretionary trade by the Reporting Person.
F2 The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $184.4400 to $183.4500, 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 range set forth in this footnote.
F3 The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $183.4400 to $182.8700, 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 range set forth in this footnote.