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sellWeak cluster of 310b5-1 plan

Ali Dasdan sold $387k of DBX

Chief Technology Officer at DROPBOX, INC.. 11,332 shares at an average of $34.13, traded Aug 18, 2026, filed Aug 19, 2026.

Warning score
26
Value
$387k
11,332 shares
Holdings after
471,052
-2% from before
From 52-week low
+54%
low $22.06, close $33.87
From 52-week high
-6%
high $35.93, as of Aug 18, 2026

Score components

  • Role
    Officer
    +15
  • Trade size
    $387k at market
    +16
  • Share of holdings sold
    Sold 2.3% 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.

DBXOct 9, 2026 · close 34.36
Since filing Aug 19, 2026: +1.1%SPY +1.4% · excess -0.3%

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 0001963980-26-000012, as filed. Open on EDGAR

DateTransactionSharesPriceValueHoldings afterFiled
Aug 17, 2026FTax withholding
Class A Common Stock10b5-1
-19,255$34.42$663k482,384Aug 19, 2026
Aug 18, 2026SOpen-market sale
Class A Common Stock10b5-1
-11,332$34.13$387k471,052Aug 19, 2026

Related signals

Other insiders at DROPBOX, INC. and this insider’s other filings.

ScoreCompanyInsiderValueHoldingsFiled
58Moderate
DBXsell 210b5-1
DROPBOX, INC.
Andrew Houston
Co-CEO
$12M
354,300 shares
-100%
11Weak
DBXsell 210b5-1
DROPBOX, INC.
Sarah Elizabeth Schubach
Chief Accounting Officer
$66k
2,025 shares
-2%
18Weak
DBXsell 610b5-1
DROPBOX, INC.
Sarah Elizabeth Schubach
Chief Accounting Officer
$74k
2,025 shares
-1%
45Moderate
DBXsell 610b5-1
DROPBOX, INC.
Ashraf Alkarmi
Co-CEO
$1.0M
28,800 shares
-3%
65Notable
DBXsell 610b5-1
DROPBOX, INC.
Andrew Houston
Co-CEO
$13M
383,800 shares
-100%
47Moderate
DBXsell 610b5-1
DROPBOX, INC.
Ross Tennenbaum
Chief Financial Officer
$3.4M
97,558 shares
-12%
26Weak
DBXsell 610b5-1
DROPBOX, INC.
Lisa M Campbell
director
$160k
4,598 shares
-19%
27Weak
DBXsell 610b5-1
DROPBOX, INC.
William T Yoon
Chief Legal Officer
$431k
12,382 shares
-3%
17Weak
DBXsell 810b5-1
DROPBOX, INC.
Sarah Elizabeth Schubach
Chief Accounting Officer
$58k
1,631 shares
-1%
17Weak
DBXsell 310b5-1
DROPBOX, INC.
Sarah Elizabeth Schubach
Chief Accounting Officer
$55k
1,631 shares
-1%

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.

Ali Dasdan sold $387k of DBX | InsiderTell