ALBA MANUEL 4
4 · Astera Labs, Inc. · Filed Jul 6, 2026
Research Summary
AI-generated summary of this filing
Astera Labs (ALAB) Director Manuel Alba Sells Shares
What Happened
- Manuel Alba, a director of Astera Labs, sold a total of 136,974 shares in multiple open-market transactions on July 1, 2026. The sales generated approximately $60.5 million in gross proceeds. Individual blocks were reported at weighted-average prices between about $429.58 and $459.02 per share.
- These were dispositions (sales), typically viewed as routine insider selling rather than a purchase signal.
Key Details
- Transaction date: 2026-07-01 (all reported trades)
- Total shares sold: 136,974; Approximate proceeds: $60,543,453; Price range (reported per-block WAP): ~$429.6 to ~$459.0
- Notable footnotes: Sales occurred automatically under a Rule 10b5-1 trading plan adopted May 29, 2025 (Footnote F1). Some price entries are weighted averages over multiple trades; the filer offers to provide per-trade price breakdowns on request (multiple F# notes). The shares are held in trust (Alba 2003 Living Trust) and the reporting person disclaims beneficial ownership except as to any pecuniary interest (F3).
- Shares owned after the transactions: Not specified in this Part 1 of 3 filing.
- Filing details: This Form 4 was filed in three parts due to EDGAR limitations (Part 1 of 3). No late-filing indication shown in this portion.
Context
- Sales pursuant to pre-established 10b5-1 plans are automatic trades that directors use to reduce timing risk; they do not, by themselves, indicate changed views on company prospects.
- For investors, purchases by insiders are often more informative than routine sales. This filing documents a large, planned sale by a director rather than an opportunistic or special transaction (e.g., exercise + immediate sale).
Insider Transaction Report
Form 4
ALBA MANUEL
Director
Transactions
- Sale
Common Stock
[F1][F2][F3]2026-07-01$429.58/sh−5,837$2,507,447→ 1,418,661 total(indirect: By Trust) - Sale
Common Stock
[F1][F4][F3]2026-07-01$430.79/sh−30,141$12,984,462→ 1,388,520 total(indirect: By Trust) - Sale
Common Stock
[F1][F5][F3]2026-07-01$432.79/sh−3,485$1,508,279→ 1,385,035 total(indirect: By Trust) - Sale
Common Stock
[F1][F6][F3]2026-07-01$433.43/sh−1,574$682,216→ 1,383,461 total(indirect: By Trust) - Sale
Common Stock
[F1][F7][F3]2026-07-01$434.78/sh−2,279$990,870→ 1,381,182 total(indirect: By Trust) - Sale
Common Stock
[F1][F8][F3]2026-07-01$435.76/sh−2,122$924,675→ 1,379,060 total(indirect: By Trust) - Sale
Common Stock
[F1][F9][F3]2026-07-01$436.82/sh−3,655$1,596,579→ 1,375,405 total(indirect: By Trust) - Sale
Common Stock
[F1][F10][F3]2026-07-01$437.93/sh−2,129$932,358→ 1,373,276 total(indirect: By Trust) - Sale
Common Stock
[F1][F11][F3]2026-07-01$438.79/sh−2,955$1,296,615→ 1,370,321 total(indirect: By Trust) - Sale
Common Stock
[F1][F12][F3]2026-07-01$440.05/sh−4,332$1,906,309→ 1,365,989 total(indirect: By Trust) - Sale
Common Stock
[F1][F13][F3]2026-07-01$440.86/sh−6,904$3,043,679→ 1,359,085 total(indirect: By Trust) - Sale
Common Stock
[F1][F14][F3]2026-07-01$441.79/sh−4,468$1,973,938→ 1,354,617 total(indirect: By Trust) - Sale
Common Stock
[F1][F15][F3]2026-07-01$442.87/sh−4,980$2,205,498→ 1,349,637 total(indirect: By Trust) - Sale
Common Stock
[F1][F16][F3]2026-07-01$443.82/sh−5,437$2,413,074→ 1,344,200 total(indirect: By Trust) - Sale
Common Stock
[F1][F17][F3]2026-07-01$444.91/sh−6,048$2,690,802→ 1,338,152 total(indirect: By Trust) - Sale
Common Stock
[F1][F18][F3]2026-07-01$445.85/sh−4,310$1,921,620→ 1,333,842 total(indirect: By Trust) - Sale
Common Stock
[F1][F19][F3]2026-07-01$446.91/sh−4,082$1,824,302→ 1,329,760 total(indirect: By Trust) - Sale
Common Stock
[F1][F20][F3]2026-07-01$447.86/sh−4,013$1,797,267→ 1,325,747 total(indirect: By Trust) - Sale
Common Stock
[F1][F21][F3]2026-07-01$448.85/sh−6,723$3,017,601→ 1,319,024 total(indirect: By Trust) - Sale
Common Stock
[F1][F22][F3]2026-07-01$449.89/sh−2,586$1,163,411→ 1,316,438 total(indirect: By Trust) - Sale
Common Stock
[F1][F23][F3]2026-07-01$450.94/sh−3,338$1,505,249→ 1,313,100 total(indirect: By Trust) - Sale
Common Stock
[F1][F24][F3]2026-07-01$451.96/sh−4,418$1,996,749→ 1,308,682 total(indirect: By Trust) - Sale
Common Stock
[F1][F25][F3]2026-07-01$453.12/sh−1,204$545,558→ 1,307,478 total(indirect: By Trust) - Sale
Common Stock
[F1][F26][F3]2026-07-01$453.83/sh−1,980$898,578→ 1,305,498 total(indirect: By Trust) - Sale
Common Stock
[F1][F27][F3]2026-07-01$454.92/sh−3,269$1,487,136→ 1,302,229 total(indirect: By Trust) - Sale
Common Stock
[F1][F28][F3]2026-07-01$455.89/sh−2,898$1,321,163→ 1,299,331 total(indirect: By Trust) - Sale
Common Stock
[F1][F29][F3]2026-07-01$456.97/sh−3,396$1,551,880→ 1,295,935 total(indirect: By Trust) - Sale
Common Stock
[F1][F30][F3]2026-07-01$458.00/sh−4,574$2,094,887→ 1,291,361 total(indirect: By Trust) - Sale
Common Stock
[F1][F31][F3]2026-07-01$459.02/sh−3,837$1,761,251→ 1,287,524 total(indirect: By Trust)
Footnotes (31)
- [F1]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.
- [F10]The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $437.3300 to $438.3200, 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.
- [F11]The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $438.3300 to $439.3200, 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.
- [F12]The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $439.3600 to $440.3500, 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.
- [F13]The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $440.3600 to $441.3500, 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.
- [F14]The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $441.3600 to $442.3500, 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.
- [F15]The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $442.3600 to $443.3500, 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.
- [F16]The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $443.3600 to $444.3500, 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.
- [F17]The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $444.3600 to $445.3500, 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.
- [F18]The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $445.3600 to $446.3500, 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.
- [F19]The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $446.3600 to $447.3500, 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.
- [F2]The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $429.1100 to $430.0700, 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.
- [F20]The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $447.3600 to $448.3500, 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.
- [F21]The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $448.3600 to $449.3300, 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.
- [F22]The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $449.4200 to $450.4000, 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.
- [F23]The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $450.4600 to $451.4500, 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.
- [F24]The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $451.4600 to $452.4500, 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.
- [F25]The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $452.4600 to $453.4400, 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.
- [F26]The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $453.4900 to $454.4700, 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.
- [F27]The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $454.5000 to $455.4700, 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.
- [F28]The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $455.5000 to $456.4700, 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.
- [F29]The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $456.5000 to $457.4600, 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]These shares are owned directly by Manuel Alba-Marquez in trust for Alba 2003 Living Trust (the "Alba Trust"), of which the Reporting Person and his spouse are co-trustees. The Reporting Person disclaims beneficial ownership of these securities, except to the extent, if any, of his pecuniary interest therein, and the filing of this Form 4 is not an admission that the Reporting Person is the beneficial owner of these securities for purposes of Section 16 or for any other purpose.
- [F30]The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $457.5100 to $458.5000, 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.
- [F31]The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $458.5100 to $459.4400, 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 $430.1100 to $430.9300, 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 $432.1800 to $433.1400, 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 $433.2300 to $433.5600, 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.
- [F7]The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $434.2800 to $435.2500, 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.
- [F8]The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $435.3200 to $436.3100, 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.
- [F9]The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $436.3300 to $437.3100, 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|2026-07-06