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sellWeak cluster of 310b5-1 plan

Manuel Alba sold $3.9M of ALAB

director at Astera Labs, Inc.. 8,491 shares at an average of $458.38, traded Jul 1, 2026, filed Jul 6, 2026.

Warning score
35
Value
$3.9M
8,491 shares
Holdings after
286,863
-3% 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
    $3.9M at market
    +25
  • Share of holdings sold
    Sold 2.9% of holdings
    0
  • 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 6, 2026: -20.9%SPY +3.8% · excess -24.7%

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 0001134727-26-000010, as filed. Open on EDGAR

DateTransactionSharesPriceValueHoldings afterFiled
Jul 1, 2026SOpen-market sale
Common Stockindirect: By Casa Alameda 2007, LLC10b5-1
-971$451.96$439k294,383Jul 6, 2026
Jul 1, 2026SOpen-market sale
Common Stockindirect: By Casa Alameda 2007, LLC10b5-1
-265$453.12$120k294,118Jul 6, 2026
Jul 1, 2026SOpen-market sale
Common Stockindirect: By Casa Alameda 2007, LLC10b5-1
-436$453.83$198k293,682Jul 6, 2026
Jul 1, 2026SOpen-market sale
Common Stockindirect: By Casa Alameda 2007, LLC10b5-1
-720$454.92$328k292,962Jul 6, 2026
Jul 1, 2026SOpen-market sale
Common Stockindirect: By Casa Alameda 2007, LLC10b5-1
-637$455.89$290k292,325Jul 6, 2026
Jul 1, 2026SOpen-market sale
Common Stockindirect: By Casa Alameda 2007, LLC10b5-1
-747$456.97$341k291,578Jul 6, 2026
Jul 1, 2026SOpen-market sale
Common Stockindirect: By Casa Alameda 2007, LLC10b5-1
-1,006$458.00$461k290,572Jul 6, 2026
Jul 1, 2026SOpen-market sale
Common Stockindirect: By Casa Alameda 2007, LLC10b5-1
-845$459.02$388k289,727Jul 6, 2026
Jul 1, 2026SOpen-market sale
Common Stockindirect: By Casa Alameda 2007, LLC10b5-1
-334$460.07$154k289,393Jul 6, 2026
Jul 1, 2026SOpen-market sale
Common Stockindirect: By Casa Alameda 2007, LLC10b5-1
-468$461.47$216k288,925Jul 6, 2026
Jul 1, 2026SOpen-market sale
Common Stockindirect: By Casa Alameda 2007, LLC10b5-1
-629$462.44$291k288,296Jul 6, 2026
Jul 1, 2026SOpen-market sale
Common Stockindirect: By Casa Alameda 2007, LLC10b5-1
-496$463.35$230k287,800Jul 6, 2026
Jul 1, 2026SOpen-market sale
Common Stockindirect: By Casa Alameda 2007, LLC10b5-1
-307$464.45$143k287,493Jul 6, 2026
Jul 1, 2026SOpen-market sale
Common Stockindirect: By Casa Alameda 2007, LLC10b5-1
-75$466.13$35k287,418Jul 6, 2026
Jul 1, 2026SOpen-market sale
Common Stockindirect: By Casa Alameda 2007, LLC10b5-1
-219$466.90$102k287,199Jul 6, 2026
Jul 1, 2026SOpen-market sale
Common Stockindirect: By Casa Alameda 2007, LLC10b5-1
-336$467.99$157k286,863Jul 6, 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%
40Moderate
ALABsell 310b5-1
Astera Labs, Inc.
Stefan A Dyckerhoff
director
$5.6M
12,499 shares
-20%

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.