Astera Labs, Inc. director Stefan A. Dyckerhoff filed an amended Form 144 notice on November 9, 2026, disclosing a proposed sale of 12,499 shares of Astera Labs common stock with an approximate sale date of November 5, 2026, through broker Stifel Nicolaus & Company Inc.

Key Highlights

  • Proposed Sale: Stefan A. Dyckerhoff, a director of Astera Labs, Inc. (NASDAQ:ALAB), proposed to sell 12,499 shares of common stock.
  • Aggregate Market Value: The 12,499 shares carried an aggregate market value of $2,642,413.50, according to the filing.
  • Approximate Sale Date: The filing lists an approximate date of sale of November 5, 2026, executed through Stifel Nicolaus & Company Inc.
  • 10b5-1 Plan: The notice indicates a Rule 10b5-1 plan adoption date of December 1, 2025.
  • Prior Sales: Dyckerhoff sold 12,499 shares on October 7, 2026, for gross proceeds of $4,700,373.00, and 12,499 shares on September 2, 2026, for gross proceeds of $3,436,755.00, according to the filing.
  • Shares Outstanding: The filing reports 173,490,000 shares of common stock outstanding.
  • Account Breakdown: According to the filing's remarks, 8,333 shares were held by a trust of which Dyckerhoff is a trustee, 3,505 shares by an individual retirement account, and 661 shares by a limited partnership.

Acquisition History and Sale Structure for Dyckerhoff's Astera Labs Shares

According to the amended Form 144 filing, the securities proposed for sale were acquired through multiple transactions. Two tranches were received on August 29, 2024, as pro-rata distributions from a venture fund via Sutter Hill Ventures A CA LP: one consisting of 4,024 shares with a payment date of November 8, 2019, and another of 4,309 shares with a payment date of February 7, 2020. Additionally, 3,505 shares were acquired through a private placement from the issuer on November 8, 2019, and 661 shares through a private placement from the issuer on May 17, 2022, the filing states.

The filing notes that Dyckerhoff is relying on a Rule 10b5-1 trading plan adopted on December 1, 2025. The form was signed by Kanwalpreet S. Kalra under a power of attorney. Astera Labs, Inc. is headquartered at 2345 North First Street, San Jose, California 95131, according to the filing's issuer information section.

In the three months prior to this notice, the filing discloses two prior sales by Stefan A. Dyckerhoff: 12,499 shares sold on October 7, 2026, generating gross proceeds of $4,700,373.00, and 12,499 shares sold on September 2, 2026, generating gross proceeds of $3,436,755.00. The proposed sale in this notice follows the same share quantity pattern as those prior transactions.

What Was Disclosed

Astera Labs director Stefan A. Dyckerhoff filed an amended Form 144 notice proposing the sale of 12,499 common shares valued at $2,642,413.50 in aggregate, acquired through venture fund distributions and private placements, with an approximate sale date of November 5, 2026.