Transaction · 0001484394-26-000011

Dyckerhoff Stefan A

Dyckerhoff Stefan A, DIR, reported an open-market or private sale at Astera Labs, Inc. involving 32.000000 shares for an estimated $8856.06. Reported holdings after the transaction were 3309.000000 shares. The stored filing text includes a detected 10b5-1 reference.

Open-market sellSEC transaction code SDIR
ALABAstera Labs, Inc.
Trade date
Sep 02, 2026
Filing date
Sep 03, 2026
View on SEC Insider profile
Estimated value-$8.85kShares × reported price
Shares traded32$276.75 per share
Holdings after3.30kIndirect · By Limited Partnership (TF)
% of reported position traded0.96%This security and ownership context
How reported position traded is calculated

Shares sold ÷ (holdings after + shares sold). Estimated position before: 3,341 shares.

Row-level estimate for this security and ownership context, not the insider’s complete portfolio. Joint ownership, other transactions in the filing, amendments and footnotes can affect interpretation.

ALAB price since this filing

Daily closing prices, with the filing date and available return windows
ALAB · Daily closing priceLoading daily prices…
Filing dateReturn windows appear as prices become available.
Pre-filing1mo ago +13.5%1w ago +2.6%1d ago -1.0%
Returns since7d +0.6%30d +23.9%90d180d1y

Transaction facts

Stored Form 4 columns with their raw values

Non-derivative
Type
Sell
Code S
Identifier
0001484394-26-000011
Common Stock
Transaction date
Sep 02, 2026
Filed Sep 03, 2026, 11:07 PM · 1d delay
Shares
32 sh
$276.75 per share
Estimated value
-$8.85k
Computed from shares × price
Holdings after
3,309 sh
Indirect · By Limited Partnership (TF)

Filing signal explanations

Badges describe filing facts only — not predictions.

Cluster 14dRepeat 30dPattern $100kLarge $1.00M
Repeat Seller 10b5-1 Detected
Filing-only score

-6 points

Compact filing score computed from stored Form 4 facts. Version v1.

Mixed or weak signal

This filing has a negative filing-only score. It may be less informative as an insider-activity signal and needs extra context.

How this score is calculated
  • timely_filing+4 points

    reporting_delay_days = 1

    Filing reported within two business days of the transaction.
  • tenb5_1_detected-10 points

    is_10b5_1 = true

    Stored filing content includes detected 10b5-1 language.
Read the scoring methodology

Signed filing-only points, not a probability or expected return. Version v1.

Reported relationships & other filings

Form 4 relationship flags and nearby filing context

Reported roles

No officer title

Officer NoDirector Yes10% NoOther No
Footnotes & amended
  1. F1

    Shares were sold pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on December 1, 2025.

  2. F2

    The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $273.27 to $274.04 inclusive. The Reporting Person undertakes to prov…

  3. F3

    Includes shares to be issued in connection with the vesting of one or more restricted stock units. The Reporting Person shares pecuniary interest in these shares with other parties pursuant to contrac…

  4. F4

    Shares held by a trust of which the Reporting Person is a Trustee. The Reporting Person disclaims beneficial ownership in these shares except as to the Reporting Person's pecuniary interest therein.

  5. F5

    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 t…

  6. F6

    The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $274.07 to $275.05 inclusive. The Reporting Person undertakes to prov…

  7. F7

    The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $275.15 to $276.05 inclusive. The Reporting Person undertakes to prov…

  8. F8

    The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $276.29 to $277.12 inclusive. The Reporting Person undertakes to prov…

  9. F9

    Shares held by an irrevocable trust of which the Reporting Person is a Trustee. The Reporting Person disclaims beneficial ownership in these shares except as to the Reporting Person's pecuniary intere…

Original filing · 0001484394-26-000011
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