Astera Labs, Inc.·4

Jun 5, 5:09 PM ET

Dyckerhoff Stefan A 4

Research Summary

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Astera Labs (ALAB) Director Stefan Dyckerhoff Sells Shares

What Happened
Stefan A. Dyckerhoff, a director of Astera Labs, sold 12,499 shares in multiple open‑market transactions on June 3, 2026, generating roughly $4,553,996 in proceeds, and was granted 837 restricted stock units (RSUs) on June 4, 2026. Transaction breakdown (sales = S; award = A):

  • 3,077 shares @ $364.25 = $1,120,785
  • 7,314 shares @ $364.25 = $2,664,095
  • 580 shares @ $364.25 = $211,263
  • 428 shares @ $365.09 = $156,257
  • 1,019 shares @ $365.09 = $372,024
  • 81 shares @ $365.09 = $29,572
  • 837 RSUs @ $0.00 (award) — granted 6/4/2026

Key Details

  • Dates: sales on 2026-06-03; RSU grant on 2026-06-04; Form 4 filed 2026-06-05. Filing appears timely based on provided dates.
  • Price details: weighted average prices reported; sales at ~$364.25 (range reported 363.395–364.35) and ~$365.09 (range reported 365.00–365.49). Reporting person can provide per‑share breakdown on request (footnotes).
  • Total sold: 12,499 shares for approximately $4.55M in total proceeds.
  • Shares after transaction: not disclosed in the excerpt provided.
  • Notable footnotes: sales were made pursuant to a Rule 10b5‑1 trading plan adopted Dec 1, 2025 (F1). The 837 RSUs were granted under the 2024 Stock Option and Incentive Plan and vest in full upon the earlier of one year after the grant or the next annual meeting, subject to continued service (F7). Several footnotes note holdings in trusts/partnerships and that the Reporting Person disclaims beneficial ownership except as to pecuniary interest (F3–F5, F8).
  • Codes: S = sale (open market); A = award/grant (RSUs).

Context
A 10b5‑1 selling plan indicates these sales were pre‑arranged trades (often used to avoid questions about timing), not necessarily a real‑time signal about the director’s view. The RSU award represents a contingent right to receive shares in the future if vesting conditions are met; it is not an immediate cash purchase. Sales are informational but less indicative of positive sentiment than purchases; no options were exercised and no gifts were reported in this filing.