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sellNotable cluster of 5

Matthew Skaruppa sold $1.8M of DUOL

Chief Financial Officer at Duolingo, Inc.. 3,304 shares at an average of $531.71, traded May 15, 2025, filed May 16, 2025.

Warning score
62
Value
$1.8M
3,304 shares
Holdings after
61,796
-5% from before
From 52-week low
+138%
low $223.18, close $530.52
From 52-week high
-2%
high $540.68, as of May 15, 2025

Score components

  • Role
    CFO
    +22
  • Trade size
    $1.8M at market
    +25
  • Share of holdings sold
    Sold 5.1% of holdings
    0
  • Cluster
    5 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.

DUOLOct 9, 2026 · close 149.92
Since filing May 16, 2025: -71.7%SPY +33.2% · excess -104.9%

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 0001562088-25-000107, as filed. Open on EDGAR

DateTransactionSharesPriceValueHoldings afterFiled
May 15, 2025AGrant or award
Class A Common Stock
+8,709$0.00$065,100May 16, 2025
May 15, 2025SOpen-market sale
Class A Common Stock
-3,304$531.71$1.8M61,796May 16, 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%
33Weak
DUOLsell 210b5-1
Duolingo, Inc.
Severin Hacker
Chief Tech Officer, Co-Founder
$4.7M
10,000 shares
-99%
25Weak
DUOLsell 210b5-1
Duolingo, Inc.
James H Shelton
director
$427k
895 shares
-17%
33Weak
DUOLsell 210b5-1
Duolingo, Inc.
Severin Hacker
Chief Tech Officer, Co-Founder
$5.3M
10,000 shares
-99%
40Moderate
DUOLsell 510b5-1
Duolingo, Inc.
Severin Hacker
Chief Tech Officer, Co-Founder
$5.2M
10,000 shares
-99%

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 $1.8M of DUOL | InsiderTell