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sellModerate cluster of 310b5-1 plan

Stefan A Dyckerhoff sold $5.6M of ALAB

director at Astera Labs, Inc.. 12,499 shares at an average of $450.00, traded Jul 1, 2026, filed Jul 2, 2026.

Warning score
40
Value
$5.6M
12,499 shares
Holdings after
4,631
-20% from before
From 52-week low
+386%
low $88.57, close $430.86
From 52-week high
-11%
high $483.02, as of Jul 1, 2026

Score components

  • Role
    Director
    +15
  • Trade size
    $5.6M at market
    +25
  • Share of holdings sold
    Sold 20% of holdings
    +5
  • Cluster
    3 insiders selling within 14 days
    +15
  • 10b5-1 plan
    Pre-scheduled under a 10b5-1 plan
    -20

What happened after comparable sells

Same side and tier, against the S&P 500, at 1, 3 and 6 months. Shown to Pro users; the whole table is on the backtest page.

Price around the trade, and since

From a quarter before the trade to today. The arrow is the trade, the circle the day the filing reached EDGAR, which is the first day anyone outside could act; the dotted line is the S&P 500 rebased to that day's close.

ALABOct 9, 2026 · close 342.21
Since filing Jul 2, 2026: -15.8%SPY +4.7% · excess -20.5%

Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value; the dashed line is the close on the filing day, the dotted line SPY rebased to it.Charts by TradingView Lightweight Charts™

Rows in this filing

Every transaction in Form 4 0001484394-26-000006, as filed. Open on EDGAR

DateTransactionSharesPriceValueHoldings afterFiled
Jul 1, 2026SOpen-market sale
Common Stock10b5-1
-3,505$450.00$1.6M57,466Jul 2, 2026
Jul 1, 2026SOpen-market sale
Common Stockindirect: By Trust10b5-1
-8,333$450.00$3.7M311,399Jul 2, 2026
Jul 1, 2026SOpen-market sale
Common Stockindirect: By Limited Partnership (TF)10b5-1
-661$450.00$297k4,631Jul 2, 2026

Related signals

Other insiders at Astera Labs, Inc. and this insider’s other filings.

ScoreCompanyInsiderValueHoldingsFiled
Pro nowfree Oct 16, 2026
ALABsell10b5-1
Astera Labs, Inc.
Stefan A Dyckerhoff
director
$4.7M
12,499 shares
-25%
33Weak
ALABsell 210b5-1
Astera Labs, Inc.
Manuel Alba
director
$51M
183,000 shares
-14%
33Weak
ALABsell 210b5-1
Astera Labs, Inc.
Stefan A Dyckerhoff
director
$3.4M
12,499 shares
-23%
65Notable
ALABsell 4
Astera Labs, Inc.
Jitendra Mohan
Chief Executive Officer
$31M
90,630 shares
-7%
55Moderate
ALABsell 4
Astera Labs, Inc.
Philip Mazzara
General Counsel and Secretary
$2.3M
6,801 shares
-7%
60Notable
ALABsell 4
Astera Labs, Inc.
Sanjay Gajendra
President and COO
$31M
90,630 shares
-7%
40Moderate
ALABsell 410b5-1
Astera Labs, Inc.
Stefan A Dyckerhoff
director
$3.9M
12,499 shares
-22%
35Weak
ALABsell 310b5-1
Astera Labs, Inc.
Manuel Alba
director
$61M
136,974 shares
-10%
35Weak
ALABsell 310b5-1
Astera Labs, Inc.
Manuel Alba
director
$17M
37,535 shares
-3%
35Weak
ALABsell 310b5-1
Astera Labs, Inc.
Manuel Alba
director
$3.9M
8,491 shares
-3%

Not investment advice. Scores and forward returns are decision support built from public SEC filings and past prices; they describe what happened after comparable filings, not what will happen after this one. Do your own research and size your risk.