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sellModerate cluster of 410b5-1 plan

Severin Hacker sold $15M of DUOL

Chief Tech Officer, Co-Founder at Duolingo, Inc.. 43,826 shares at an average of $338.75, traded Dec 13, 2024, filed Dec 16, 2024.

Warning score
40
Value
$15M
43,826 shares
Holdings after
72
-100% from before
From 52-week low
-
no price yet
From 52-week high
-
no price yet

Score components

  • Role
    Officer
    +15
  • Trade size
    $14.8M at market
    +25
  • Share of holdings sold
    Sold 100% of holdings
    +20
  • Cluster
    4 insiders selling within 14 days
    +15
  • 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 Dec 16, 2024: -57.0%SPY +31.3% · excess -88.3%

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 0001562088-24-000291, as filed. Open on EDGAR

DateTransactionSharesPriceValueHoldings afterFiled
Dec 13, 2024CConversion
Class A Common Stock10b5-1
+43,826$0.00$043,898Dec 16, 2024
Dec 13, 2024SOpen-market sale
Class A Common Stock10b5-1
-704$335.14$236k43,194Dec 16, 2024
Dec 13, 2024SOpen-market sale
Class A Common Stock10b5-1
-1,934$336.26$650k41,260Dec 16, 2024
Dec 13, 2024SOpen-market sale
Class A Common Stock10b5-1
-8,235$337.33$2.8M33,025Dec 16, 2024
Dec 13, 2024SOpen-market sale
Class A Common Stock10b5-1
-13,457$338.13$4.6M19,568Dec 16, 2024
Dec 13, 2024SOpen-market sale
Class A Common Stock10b5-1
-10,414$339.15$3.5M9,154Dec 16, 2024
Dec 13, 2024SOpen-market sale
Class A Common Stock10b5-1
-4,385$340.10$1.5M4,769Dec 16, 2024
Dec 13, 2024SOpen-market sale
Class A Common Stock10b5-1
-1,597$341.18$545k3,172Dec 16, 2024
Dec 13, 2024SOpen-market sale
Class A Common Stock10b5-1
-2,000$342.63$685k1,172Dec 16, 2024
Dec 13, 2024SOpen-market sale
Class A Common Stock10b5-1
-800$343.50$275k372Dec 16, 2024
Dec 13, 2024SOpen-market sale
Class A Common Stock10b5-1
-300$344.54$103k72Dec 16, 2024
Dec 13, 2024MOption exercise
Stock Option (Right to Buy)derivative10b5-1
-43,826$0.00$060,252Dec 16, 2024
Dec 13, 2024CConversion
Class B Common Stockderivative10b5-1
+43,826$0.00$0101,671Dec 16, 2024
Dec 13, 2024CConversion
Class B Common Stockderivative10b5-1
-43,826$0.00$057,845Dec 16, 2024

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.

Severin Hacker sold $15M of DUOL | InsiderTell