LAZAR JACK R 4
4 · Astera Labs, Inc. · Filed Mar 9, 2026
Research Summary
AI-generated summary of this filing
Astera Labs (ALAB) Director Jack R. Lazar Sells Shares
What Happened
Jack R. Lazar, a director of Astera Labs, sold a total of 7,500 shares in open-market transactions on March 5, 2026, generating aggregate proceeds of approximately $898,472. The reported blocks were: 1,601 shares at $118.15 ($189,154); 3,167 shares at $119.49 ($378,436); 1,200 shares at $120.22 ($144,266); 1,035 shares at $121.30 ($125,550); 212 shares at $122.02 ($25,868); and 285 shares at $123.50 ($35,198). The filing notes that these sales were made automatically under a Rule 10b5-1 trading plan.
Key Details
- Transaction date: March 5, 2026 (reported on Form 4 filed March 9, 2026).
- Aggregate shares sold: 7,500; aggregate proceeds: approximately $898,472.
- Reported weighted-average prices and ranges (per filing footnotes):
- 1,601 shares — $118.15 (prices ranged $117.6400–$118.6200).
- 3,167 shares — $119.49 (prices ranged $118.7700–$119.6700).
- 1,200 shares — $120.22 (prices ranged $119.8100–$120.7600).
- 1,035 shares — $121.30 (prices ranged $120.8800–$121.8000).
- 212 shares — $122.02 (prices ranged $121.9100–$122.0800).
- 285 shares — $123.50 (single reported weighted price).
- Sales executed pursuant to a Rule 10b5-1 trading plan adopted December 2, 2025 (automatic, pre-scheduled trades).
- Shares owned after transaction: not disclosed in this Form 4.
- Timeliness: Form 4 filed on March 9, 2026; filing appears to meet the standard Form 4 reporting deadline.
Context
These were sales (not purchases or option exercises). Transactions under a 10b5-1 plan are pre-arranged and commonly used to avoid real-time trading decisions; the filing is informational and does not by itself indicate the director’s current views on the company.
Insider Transaction Report
Form 4
LAZAR JACK R
Director
Transactions
- Sale
Common Stock
[F1][F2]2026-03-05$118.15/sh−1,601$189,154→ 93,250 total - Sale
Common Stock
[F1][F3]2026-03-05$119.49/sh−3,167$378,436→ 90,083 total - Sale
Common Stock
[F1][F4]2026-03-05$120.22/sh−1,200$144,266→ 88,883 total - Sale
Common Stock
[F1][F5]2026-03-05$121.30/sh−1,035$125,550→ 87,848 total - Sale
Common Stock
[F1][F6]2026-03-05$122.02/sh−212$25,868→ 87,636 total - Sale
Common Stock
[F1]2026-03-05$123.50/sh−285$35,198→ 87,351 total
Footnotes (6)
- [F1]The sales reported in this Form 4 occurred automatically pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on December 2, 2025.
- [F2]The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $117.6400 to $118.6200, 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.
- [F3]The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $118.7700 to $119.6700, 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.
- [F4]The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $119.8100 to $120.7600, 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.
- [F5]The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $120.8800 to $121.8000, 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.
- [F6]The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $121.9100 to $122.0800, 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.
Signature
/s/ Philip Mazzara, Attorney-in-Fact|2026-03-09