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sellModerate cluster of 510b5-1 plan

Matthew Skaruppa sold $1.9M of DUOL

Chief Financial Officer at Duolingo, Inc.. 3,573 shares at an average of $528.35, traded May 16, 2025, filed May 19, 2025.

Warning score
42
Value
$1.9M
3,573 shares
Holdings after
58,223
-6% from before
From 52-week low
+137%
low $223.18, close $529.05
From 52-week high
-2%
high $540.68, as of May 16, 2025

Score components

  • Role
    CFO
    +22
  • Trade size
    $1.9M at market
    +25
  • Share of holdings sold
    Sold 5.8% of holdings
    0
  • 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 May 19, 2025: -71.2%SPY +33.1% · excess -104.2%

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 0001562088-25-000116, as filed. Open on EDGAR

DateTransactionSharesPriceValueHoldings afterFiled
May 16, 2025SOpen-market sale
Class A Common Stock10b5-1
-900$526.16$474k60,896May 19, 2025
May 16, 2025SOpen-market sale
Class A Common Stock10b5-1
-700$527.27$369k60,196May 19, 2025
May 16, 2025SOpen-market sale
Class A Common Stock10b5-1
-524$528.63$277k59,672May 19, 2025
May 16, 2025SOpen-market sale
Class A Common Stock10b5-1
-849$529.45$450k58,823May 19, 2025
May 16, 2025SOpen-market sale
Class A Common Stock10b5-1
-200$530.50$106k58,623May 19, 2025
May 16, 2025SOpen-market sale
Class A Common Stock10b5-1
-400$531.43$213k58,223May 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%
13Weak
DUOLsell10b5-1
Duolingo, Inc.
Stephen C. Chen
General Counsel
$494k
2,796 shares
-8%
25Weak
DUOLsell10b5-1
Duolingo, Inc.
Severin Hacker
Chief Tech Officer, Co-Founder
$2.9M
10,000 shares
-99%
40Moderate
DUOLsell 310b5-1
Duolingo, Inc.
Severin Hacker
Chief Tech Officer, Co-Founder
$2.7M
10,000 shares
-99%
28Weak
DUOLsell 510b5-1
Duolingo, Inc.
Stephen C. Chen
General Counsel
$487k
1,515 shares
-4%

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 $1.9M of DUOL | InsiderTell