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$ALAB All transactions

Astera Labs, Inc.

▼ SELL 10b5-1 Plan

$ Value

$18K

Shares

100

Price

$183

Filed

Sep 2

Insider

Name

Mazzara Philip

Title

General Counsel and Secretary

CIK

0001998163

Roles

Officer

Transaction Details

Transaction Date

2025-08-28

Code

S

Table

Non-Derivative

Ownership

Direct

Equity Swap

No

Shares After

171,473

Footnotes

The sales reported in this Form 4 occurred automatically pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on May 29, 2025. | The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $184.9400 to $185.9200, 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. | The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $186.0500 to $187.0000, 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. | The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $187.0900 to $188.0700, 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. | The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $188.1900 to $189.1800, 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. | The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $189.2000 to $190.0600, 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. | The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $190.2100 to $190.9100, 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.

Filing Info

Accession No.

0001736297-25-000124

Form Type

4

Issuer CIK

0001736297

Mazzara Philip's History

Date Ticker Type Value
2026-04-01 ALAB $330K
2026-04-01 ALAB $213K
2026-04-01 ALAB $370K
2026-04-01 ALAB $109K
2026-04-01 ALAB $55K
2025-10-01 ALAB $131K
2025-10-01 ALAB $151K
2025-10-01 ALAB $97K
2025-10-01 ALAB $266K
2025-10-01 ALAB $192K

Other Insiders at ALAB (90d)

Insider Bought Sold Last
ALBA MANUEL $19.7M 2026-04-01
Dyckerhoff Stefan A $4.4M 2026-04-20
Mohan Jitendra
Chief Executive Officer
$76.9M 2026-04-20
Mazzara Philip
General Counsel and Secretary
$1.1M 2026-04-01