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sellWeak cluster of 6

Dennis Cho sold $58k of TWST

See Remarks at Twist Bioscience Corp. 348 shares at an average of $165.49, traded Sep 21, 2026, filed Sep 23, 2026.

Warning score
37
Value
$58k
348 shares
Holdings after
73,303
-0% from before
From 52-week low
+552%
low $25.45, close $165.83
From 52-week high
-1%
high $166.99, as of Sep 21, 2026

Score components

  • Role
    Officer
    +15
  • Trade size
    $58k at market
    +7
  • Share of holdings sold
    Sold 0.5% of holdings
    0
  • Cluster
    6 insiders selling within 14 days
    +15

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.

TWSTOct 9, 2026 · close 159.78
Since filing Sep 23, 2026: +0.8%SPY +1.4% · excess -0.6%

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 0001214659-26-011917, as filed. Open on EDGAR

DateTransactionSharesPriceValueHoldings afterFiled
Sep 21, 2026SOpen-market sale
Common Stock
-348$165.49$58k73,30318 d ago

Related signals

Other insiders at Twist Bioscience Corp and this insider’s other filings.

ScoreCompanyInsiderValueHoldingsFiled
44Moderate
TWSTsell 510b5-1
Twist Bioscience Corp
Emily M. Leproust
Chief Executive Officer
$919k
4,548 shares
-1%
60Notable
TWSTsell 5
Twist Bioscience Corp
Dennis Cho
See Remarks
$1.8M
9,514 shares
-13%
65Notable
TWSTsell 5
Twist Bioscience Corp
Patrick John Finn
President and COO
$4.9M
25,714 shares
-12%
55Moderate
TWSTsell 5
Twist Bioscience Corp
Paula Green
SVP of Human Resources
$1.9M
10,088 shares
-9%
62Notable
TWSTsell 5
Twist Bioscience Corp
Adam Laponis
Chief Financial Officer
$1.5M
8,057 shares
-7%
45Moderate
TWSTsell 510b5-1
Twist Bioscience Corp
Emily M. Leproust
Chief Executive Officer
$8.8M
46,391 shares
-8%
44Moderate
TWSTsell 510b5-1
Twist Bioscience Corp
Emily M. Leproust
Chief Executive Officer
$923k
5,203 shares
-1%
37Weak
TWSTsell 6
Twist Bioscience Corp
Paula Green
SVP of Human Resources
$49k
294 shares
-0%
54Moderate
TWSTsell 6
Twist Bioscience Corp
Emily M. Leproust
Chief Executive Officer
$279k
1,687 shares
-0%
40Moderate
TWSTsell 410b5-1
Twist Bioscience Corp
Emily M. Leproust
Chief Executive Officer
$56M
356,546 shares
-36%

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.

Dennis Cho sold $58k of TWST | InsiderTell