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sellModerate cluster of 210b5-1 plan

Luis von Ahn sold $7.0M of DUOL

President & CEO, Co-Founder at Duolingo, Inc.. 46,682 shares at an average of $150.63, traded Sep 24, 2026, filed Sep 28, 2026.

Warning score
43
Value
$7.0M
46,682 shares
Holdings after
0
-100% from before
From 52-week low
+64%
low $90.03, close $147.75
From 52-week high
-57%
high $347.27, as of Sep 24, 2026

Score components

  • Role
    CEO
    +25
  • Trade size
    $7.0M at market
    +25
  • Share of holdings sold
    Sold 100% of holdings
    +20
  • Cluster
    2 insiders selling within 14 days
    +8
  • Exercise and sell
    Shares came from an option exercise in the same filing
    -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 Sep 28, 2026: +11.6%SPY +1.7% · excess +9.9%

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 0001628280-26-063709, as filed. Open on EDGAR

DateTransactionSharesPriceValueHoldings afterFiled
Sep 24, 2026CConversion
Class A Common Stock10b5-1
+46,682$38.08$1.8M46,68213 d ago
Sep 24, 2026SOpen-market sale
Class A Common Stock10b5-1
-38,758$150.45$5.8M7,92413 d ago
Sep 24, 2026SOpen-market sale
Class A Common Stock10b5-1
-7,024$151.42$1.1M90013 d ago
Sep 24, 2026SOpen-market sale
Class A Common Stock10b5-1
-900$152.29$137k013 d ago
Sep 24, 2026MOption exercise
Stock Option (Right to Buy)derivative10b5-1
-46,682$0.00$0110,04613 d ago
Sep 24, 2026CConversion
Class B Common Stockderivative10b5-1
+46,682$0.00$03,414,80213 d ago
Sep 24, 2026CConversion
Class B Common Stockderivative10b5-1
-46,682$0.00$03,368,12013 d ago

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%
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%
35Weak
DUOLsell 510b5-1
Duolingo, Inc.
Robert Meese
Chief Business Officer
$1.7M
5,351 shares
-4%
40Moderate
DUOLsell 610b5-1
Duolingo, Inc.
Severin Hacker
Chief Tech Officer, Co-Founder
$3.0M
10,000 shares
-99%
40Moderate
DUOLsell 510b5-1
Duolingo, Inc.
Gillian Munson
director
$1.6M
5,000 shares
-59%
50Moderate
DUOLsell 610b5-1
Duolingo, Inc.
Luis von Ahn
President & CEO, Co-Founder
$2.4M
8,000 shares
-100%
40Moderate
DUOLsell 610b5-1
Duolingo, Inc.
James H Shelton
director
$6.0M
20,000 shares
-80%

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.

Luis von Ahn sold $7.0M of DUOL | InsiderTell