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Mazzara Philip's Form 4 filing

Astera Labs, Inc. (ALAB) · filed Jan 6, 2026

Accession no.
0001998163-26-000001
Filed
Jan 6, 2026
Trade date
Jan 2, 2026
Filing delay
4 days
Rule 10b5-1 plan
Checked

This filing lists 9 non-derivative transactions. Open-market sales total $1.78M. It was filed 4 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
Jan 2, 2026Common StockSSaleDisposed−100$172.65−$17,265146,940Direct
Jan 2, 2026Common StockSSaleDisposed−600$174.13F2−$104,478146,340Direct
Jan 2, 2026Common StockSSaleDisposed−1,100$174.98F3−$192,478145,240Direct
Jan 2, 2026Common StockSSaleDisposed−500$176.92F4−$88,460144,740Direct
Jan 2, 2026Common StockSSaleDisposed−2,304$178.31F5−$410,826.24142,436Direct
Jan 2, 2026Common StockSSaleDisposed−2,577$179.11F6−$461,566.47139,859Direct
Jan 2, 2026Common StockSSaleDisposed−1,319$179.90F7−$237,288.1138,540Direct
Jan 2, 2026Common StockSSaleDisposed−1,300$180.98F8−$235,274137,240Direct
Jan 2, 2026Common StockSSaleDisposed−200$182.12F9−$36,424137,040Direct

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 $173.6900 to $174.6700, 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 $174.7000 to $175.4500, 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.

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 $176.5100 to $177.4900, 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 $177.5900 to $178.5700, 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.

F6

The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $178.6600 to $179.5900, 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 $179.6600 to $180.2600, 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.

F8

The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $180.6600 to $181.4900, 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 $181.7500 to $182.4900, 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)