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$ALAB All transactions

Astera Labs, Inc.

▼ SELL 10b5-1 Plan

$ Value

$161K

Shares

1,779

Price

$91

Filed

May 20

Insider

Name

Mazzara Philip

Title

General Counsel and Secretary

CIK

0001998163

Roles

Officer

Transaction Details

Transaction Date

2025-05-16

Code

S

Table

Non-Derivative

Ownership

Direct

Equity Swap

No

Shares After

189,257

Footnotes

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. | The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $91.7300 to $92.5550, 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 $90.4250 to $91.4200, 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 $90.2400 to $90.4200, 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 sales reported in this Form 4 occurred automatically pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on November 21, 2024. | The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $90.0000 to $90.4500, 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.

Filing Info

Accession No.

0001736297-25-000041

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