Michael Truett Tate - 17 Feb 2026 Form 4 Insider Report for Astera Labs, Inc. (ALAB)

Reporting relationship: Chief Financial Officer
Issuer ticker: ALAB
Reported as of: 17 Feb 2026
Net transaction value: -$1,485,784
SEC form: 4
Accepted by SEC: 19 Feb 2026, 20:52:16 UTC
Prior SEC filing: 10 Feb 2026
Source filing: View source filing
Reporting owner signature: /s/ Philip Mazzara, Attorney-in-Fact

Key filing fact

Michael Truett Tate filed Form 4 for Astera Labs, Inc. (ALAB) on 19 Feb 2026.

Key facts

This page summarizes Michael Truett Tate's Form 4 filing for Astera Labs, Inc. (ALAB).
5 reported transactions and 0 derivative rows are listed below.
Accepted by SEC: 19 Feb 2026, 20:52.

Change

Previous filing in this sequence was filed on 10 Feb 2026.
Current net transaction value: -$1,485,784.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0001399546 Primary reporting owner

Tate Michael Truett

Relationship: Chief Financial Officer
Address: C/O ASTERA LABS, INC., 2345 NORTH FIRST STREET, SAN JOSE
Signature: /s/ Philip Mazzara, Attorney-in-Fact
Signature date: 19 Feb 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

ALAB transaction

Common Stock

Sale

Transaction value: $91,984
Shares: -753
Change %: -0.37%
Price: $122.16
Shares after: 203,331
Date: 17 Feb 2026
Ownership: Direct
Footnotes: F1, F2

ALAB transaction

Common Stock

Sale

Transaction value: $522,086
Shares: -4,250
Change %: -2.1%
Price: $122.84
Shares after: 199,081
Date: 17 Feb 2026
Ownership: Direct
Footnotes: F1, F3

ALAB transaction

Common Stock

Sale

Transaction value: $440,690
Shares: -3,556
Change %: -1.8%
Price: $123.93
Shares after: 195,525
Date: 17 Feb 2026
Ownership: Direct
Footnotes: F1, F4

ALAB transaction

Common Stock

Sale

Transaction value: $284,343
Shares: -2,281
Change %: -1.2%
Price: $124.66
Shares after: 193,244
Date: 17 Feb 2026
Ownership: Direct
Footnotes: F1, F5

ALAB transaction

Common Stock

Sale

Transaction value: $146,681
Shares: -1,161
Change %: -0.6%
Price: $126.34
Shares after: 192,083
Date: 17 Feb 2026
Ownership: Direct
Footnotes: F1

ALAB holding

Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 450,281
Date: 17 Feb 2026
Ownership: By Tate Trust
Footnotes: F6

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 6 footnotes

Footnote 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.

Footnote F2

The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $122.1000 to $122.2800, 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.

Footnote F3

The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $122.3200 to $123.3000, 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.

Footnote F4

The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $123.3300 to $124.3200, 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.

Footnote F5

The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $124.3500 to $125.3200, 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.

Footnote F6

These shares are owned directly by the Tate 1997 Living Trust Dated April 24, 1997 (the "Tate 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.