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sellWeak cluster of 310b5-1 plan

Manuel Alba sold $1.5M of ALAB

director at Astera Labs, Inc.. 13,259 shares at an average of $111.00, traded Jul 21, 2025, filed Jul 23, 2025.

Warning score
35
Value
$1.5M
13,259 shares
Holdings after
1,874,498
-1% from before
From 52-week low
+195%
low $41.36, close $121.89
From 52-week high
-16%
high $145.81, as of Jul 21, 2025

Score components

  • Role
    Director
    +15
  • Trade size
    $1.5M at market
    +25
  • Share of holdings sold
    Sold 0.7% 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 23, 2025: +186.4%SPY +24.4% · excess +162.0%

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 0001736297-25-000089, as filed. Open on EDGAR

DateTransactionSharesPriceValueHoldings afterFiled
Jul 21, 2025SOpen-market sale
Common Stockindirect: By Alba Trust10b5-1
-13,259$111.00$1.5M1,874,498Jul 23, 2025

Related signals

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

ScoreCompanyInsiderValueHoldingsFiled
25Weak
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%
35Weak
ALABsell 310b5-1
Astera Labs, Inc.
Manuel Alba
director
$32M
183,000 shares
-10%
35Weak
ALABsell 610b5-1
Astera Labs, Inc.
Philip Mazzara
General Counsel and Secretary
$1.9M
10,000 shares
-6%
40Moderate
ALABsell 610b5-1
Astera Labs, Inc.
Jack R Lazar
director
$4.0M
22,500 shares
-19%
62Notable
ALABsell 6
Astera Labs, Inc.
Michael Truett Tate
Chief Financial Officer
$3.5M
18,861 shares
-7%
65Notable
ALABsell 6
Astera Labs, Inc.
Jitendra Mohan
Chief Executive Officer
$17M
91,441 shares
-4%
55Moderate
ALABsell 6
Astera Labs, Inc.
Philip Mazzara
General Counsel and Secretary
$1.3M
7,237 shares
-4%
60Notable
ALABsell 6
Astera Labs, Inc.
Sanjay Gajendra
President and COO
$17M
91,441 shares
-4%

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.

Manuel Alba sold $1.5M of ALAB | InsiderTell