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sellWeak cluster of 310b5-1 plan

Grace Wong-Sarad sold $25k of ALEC

Principal Accounting Officer at Alector, Inc.. 9,446 shares at an average of $2.61, traded Sep 2, 2026, filed Sep 4, 2026.

Warning score
10
Value
$25k
9,446 shares
Holdings after
106,015
-8% from before
From 52-week low
+139%
low $1.14, close $2.72
From 52-week high
-18%
high $3.32, as of Sep 2, 2026

Score components

  • Role
    Officer
    +15
  • Trade size
    $25k at market
    0
  • Share of holdings sold
    Sold 8.2% 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.

ALECOct 9, 2026 · close 2.08
Since filing Sep 4, 2026: -15.4%SPY +1.3% · excess -16.8%

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 0001193125-26-383858, as filed. Open on EDGAR

DateTransactionSharesPriceValueHoldings afterFiled
Sep 2, 2026SOpen-market sale
Common Stock10b5-1
-656$2.75$1,804114,80539 d ago
Sep 3, 2026SOpen-market sale
Common Stock
-5,165$2.67$14k109,64039 d ago
Sep 4, 2026SOpen-market sale
Common Stock10b5-1
-3,625$2.51$9,094106,01539 d ago

Related signals

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

ScoreCompanyInsiderValueHoldingsFiled
46Moderate
ALECsell 3
Alector, Inc.
Neil Lindsay Berkley
CFO & Chief Business Officer
$78k
29,251 shares
-8%
52Moderate
ALECsell 3
Alector, Inc.
Arnon Rosenthal
Chief Executive Officer
$193k
72,606 shares
-3%
43Moderate
ALECsell 3
Alector, Inc.
Neil Lindsay Berkley
CFO & Chief Business Officer
$38k
19,360 shares
-5%
10Weak
ALECsell 310b5-1
Alector, Inc.
Grace Wong-Sarad
Principal Accounting Officer
$18k
9,184 shares
-9%
51Moderate
ALECsell 3
Alector, Inc.
Arnon Rosenthal
Chief Executive Officer
$172k
87,216 shares
-4%
0Weak
ALECsell10b5-1
Alector, Inc.
Grace Wong-Sarad
Principal Accounting Officer
$4,823
1,820 shares
-2%
10Weak
ALECsell 310b5-1
Alector, Inc.
Grace Wong-Sarad
Principal Accounting Officer
$2,650
1,000 shares
-1%
51Moderate
ALECsell 3
Alector, Inc.
Arnon Rosenthal
Chief Executive Officer
$174k
81,864 shares
-3%
30Weak
ALECsell 3
Alector, Inc.
Grace Wong-Sarad
Principal Accounting Officer
$17k
8,071 shares
-7%
10Weak
ALECsell 310b5-1
Alector, Inc.
Grace Wong-Sarad
Principal Accounting Officer
$7,012
3,367 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.