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sellModerate cluster of 510b5-1 plan

Matthew Skaruppa sold $1.0M of DUOL

Chief Financial Officer at Duolingo, Inc.. 5,858 shares at an average of $176.81, traded Nov 17, 2025, filed Nov 19, 2025.

Warning score
47
Value
$1.0M
5,858 shares
Holdings after
37,487
-14% from before
From 52-week low
0%
low $178.27, close $178.27
From 52-week high
-67%
high $540.68, as of Nov 17, 2025

Score components

  • Role
    CFO
    +22
  • Trade size
    $1.0M at market
    +25
  • Share of holdings sold
    Sold 14% of holdings
    +5
  • Cluster
    5 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.

DUOLOct 9, 2026 · close 149.92
Since filing Nov 19, 2025: -14.1%SPY +18.8% · excess -32.8%

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 0001628280-25-053183, as filed. Open on EDGAR

DateTransactionSharesPriceValueHoldings afterFiled
Nov 17, 2025SOpen-market sale
Class A Common Stock10b5-1
-2,799$177.95$498k40,546Nov 19, 2025
Nov 18, 2025SOpen-market sale
Class A Common Stock10b5-1
-390$174.04$68k40,156Nov 19, 2025
Nov 18, 2025SOpen-market sale
Class A Common Stock10b5-1
-793$175.00$139k39,363Nov 19, 2025
Nov 18, 2025SOpen-market sale
Class A Common Stock10b5-1
-880$175.73$155k38,483Nov 19, 2025
Nov 18, 2025SOpen-market sale
Class A Common Stock10b5-1
-796$176.91$141k37,687Nov 19, 2025
Nov 18, 2025SOpen-market sale
Class A Common Stock10b5-1
-200$177.65$36k37,487Nov 19, 2025

Related signals

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

ScoreCompanyInsiderValueHoldingsFiled
35Weak
DUOLsell10b5-1
Duolingo, Inc.
Luis von Ahn
President & CEO, Co-Founder
$17M
110,046 shares
-100%
43Moderate
DUOLsell 210b5-1
Duolingo, Inc.
Luis von Ahn
President & CEO, Co-Founder
$7.0M
46,682 shares
-100%
50Moderate
DUOLsell 310b5-1
Duolingo, Inc.
Luis von Ahn
President & CEO, Co-Founder
$6.2M
40,980 shares
-110%
50Moderate
DUOLsell 310b5-1
Duolingo, Inc.
Luis von Ahn
President & CEO, Co-Founder
$4.3M
28,292 shares
-100%
40Moderate
DUOLsell 310b5-1
Duolingo, Inc.
Stephen C. Chen
General Counsel
$1.2M
8,072 shares
-16%
40Moderate
DUOLsell 310b5-1
Duolingo, Inc.
William B Gordon
director
$1.5M
10,000 shares
-13%
61Notable
DUOLbuy
Duolingo, Inc.
James H Shelton
director
$499k
5,000 shares
+108%
24Weak
DUOLsell 410b5-1
Duolingo, Inc.
Stephen C. Chen
General Counsel
$314k
2,797 shares
-8%
29Weak
DUOLsell 410b5-1
Duolingo, Inc.
Natalie Glance
Chief Engineering Officer
$594k
5,286 shares
-4%
42Moderate
DUOLsell 410b5-1
Duolingo, Inc.
Matthew Skaruppa
Chief Financial Officer
$658k
5,856 shares
-16%

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.

Matthew Skaruppa sold $1.0M of DUOL | InsiderTell