Form 4 for ALAB Astera Labs, Inc.
Accepted 2025-08-11 00:00:00 ET · period of report 2025-08-07 · accession 0001415889-25-021461 · SEC index · Original document
Summary rows
Aggregated the way they appear in lists: one row per insider, transaction code and security table.
| X | Filed | Traded | Ticker | Insider | Title | Type | Price | Qty | Owned | ΔOwn | Value |
|---|---|---|---|---|---|---|---|---|---|---|---|
| M | 2025-08-11 | 2025-08-07+ | ALAB | Dyckerhoff Stefan A | Dir | S - Sale | $174.34 | -50.0K | 113.2K | -31% | -$8.72M |
| MI | 2025-08-11 | 2025-08-07+ | ALAB | Dyckerhoff Stefan A | Dir | S - Sale | $174.34 | -2,000 | 9,498 | -17% | -$348.7K |
Purchase Sale Sale after option exercise All abbreviations
Every reported transaction
| # | Table | Security | Date | Code | A/D | Shares | Price | Owned after | Own | Exercise / expiry | Underlying | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Common | Common Stock | 2025-08-07 | S | D | 97 | $174.52 | 99,154 | D | — | — | (F2) Includes 2,351 shares to be issued in connection with the vesting of restricted stock units. The Reporting Person shares pecuniary interest in such shares with other parties pursuant to contractual relationships. The Reporting Person disclaims beneficial ownership in these shares except as to the Reporting Person's pecuniary interest in these shares. |
| 2 | Common | Common Stock | 2025-08-07 | S | D | 3 | $174.52 | 8,936 | I By Limited Partnership (TF) | — | — | (F3) Shares held by a limited partnership of which the Reporting Person is a trustee of a trust which is the general partner. The Reporting Person disclaims beneficial ownership in these shares except as to the Reporting Person's pecuniary interest therein. |
| 3 | Common | Common Stock | 2025-08-08 | S | D | 1,000 | $175.26 | 7,936 | I By Limited Partnership (TF) | — | — | (F5) The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $175.07 to $175.86 inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the 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) Shares held by a limited partnership of which the Reporting Person is a trustee of a trust which is the general partner. The Reporting Person disclaims beneficial ownership in these shares except as to the Reporting Person's pecuniary interest therein. |
| 4 | Common | Common Stock | 2025-08-08 | S | D | 25,000 | $175.26 | 74,154 | D | — | — | (F5) The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $175.07 to $175.86 inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the 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) Includes 2,351 shares to be issued in connection with the vesting of restricted stock units. The Reporting Person shares pecuniary interest in such shares with other parties pursuant to contractual relationships. The Reporting Person disclaims beneficial ownership in these shares except as to the Reporting Person's pecuniary interest in these shares. |
| 5 | Common | Common Stock | 2025-08-07 | S | D | 559 | $173.86 | 8,939 | I By Limited Partnership (TF) | — | — | (F4) The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $173.515 to $174.405 inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the 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) Shares held by a limited partnership of which the Reporting Person is a trustee of a trust which is the general partner. The Reporting Person disclaims beneficial ownership in these shares except as to the Reporting Person's pecuniary interest therein. |
| 6 | Common | Common Stock | 2025-08-07 | S | D | 13,963 | $173.86 | 99,251 | D | — | — | (F4) The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $173.515 to $174.405 inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the 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) Includes 2,351 shares to be issued in connection with the vesting of restricted stock units. The Reporting Person shares pecuniary interest in such shares with other parties pursuant to contractual relationships. The Reporting Person disclaims beneficial ownership in these shares except as to the Reporting Person's pecuniary interest in these shares. |
| 7 | Common | Common Stock | 2025-08-07 | S | D | 438 | $172.86 | 9,498 | I By Limited Partnership (TF) | — | — | (F1) The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $172.50 to $173.50 inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the 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) Shares held by a limited partnership of which the Reporting Person is a trustee of a trust which is the general partner. The Reporting Person disclaims beneficial ownership in these shares except as to the Reporting Person's pecuniary interest therein. |
| 8 | Common | Common Stock | 2025-08-07 | S | D | 10,940 | $172.86 | 113,214 | D | — | — | (F1) The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $172.50 to $173.50 inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the 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) Includes 2,351 shares to be issued in connection with the vesting of restricted stock units. The Reporting Person shares pecuniary interest in such shares with other parties pursuant to contractual relationships. The Reporting Person disclaims beneficial ownership in these shares except as to the Reporting Person's pecuniary interest in these shares. |