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Mazzara Philip's Form 4 filing

Astera Labs, Inc. (ALAB) · filed Mar 4, 2026

Accession no.
0001998163-26-000007
Filed
Mar 4, 2026
Trade date
Mar 2, 2026
Filing delay
2 days
Rule 10b5-1 plan
Checked

This filing lists 8 non-derivative transactions. Open-market sales total $1.17M. It was filed 2 days after the trade.

Reporting owners

A Form 4 can have several reporting owners, such as a person and a fund they control. Trade tables show the first one.

Reporting owners on this filing
OwnerRelationship to the company
Mazzara PhilipCIK 0001998163Officer (General Counsel and Secretary)

Non-derivative securities (Table I)

Acquisitions and disposals of common stock and similar shares, one row per line on the filing.

Non-derivative transactions
Trade dateSecurityTransactionSharesPriceValueShares afterOwnershipFlags
Mar 2, 2026Common StockSSaleDisposed−1,200$113.85F2−$136,620136,884Direct
Mar 2, 2026Common StockSSaleDisposed−677$114.81F3−$77,726.37136,207Direct
Mar 2, 2026Common StockSSaleDisposed−750$115.84F4−$86,880135,457Direct
Mar 2, 2026Common StockSSaleDisposed−1,205$116.85F5−$140,804.25134,252Direct
Mar 2, 2026Common StockSSaleDisposed−3,200$117.92F6−$377,344131,052Direct
Mar 2, 2026Common StockSSaleDisposed−1,202$118.89F7−$142,905.78129,850Direct
Mar 2, 2026Common StockSSaleDisposed−1,566$120.23F8−$188,280.18128,284Direct
Mar 2, 2026Common StockSSaleDisposed−200$120.98F9−$24,196128,084Direct

Footnotes and remarks

Livermore keeps the footnotes that transaction prices refer to, all footnotes of amendments (Form 4/A) and the filing's remarks. Other footnotes, such as how indirect holdings are held or the details of a trading plan, are only in the original on SEC EDGAR.

F2

The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $113.3700 to $114.1600, 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.

Referenced by the price of 1 transaction in Table I.

F3

The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $114.4400 to $115.1800, 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.

Referenced by the price of 1 transaction in Table I.

F4

The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $115.4500 to $116.3700, 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.

Referenced by the price of 1 transaction in Table I.

F5

The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $116.4500 to $117.2100, 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.

Referenced by the price of 1 transaction in Table I.

F6

The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $117.4700 to $118.2600, 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.

Referenced by the price of 1 transaction in Table I.

F7

The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $118.4900 to $119.4700, 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.

Referenced by the price of 1 transaction in Table I.

F8

The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $119.7300 to $120.5700, 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.

Referenced by the price of 1 transaction in Table I.

F9

The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $120.9700 to $120.9900, 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.

Referenced by the price of 1 transaction in Table I.

Read the full filing on SEC EDGAR (opens in a new tab)