Stephen C. Chen

General Counsel

Stephen C. Chen (General Counsel) filed 4 Form 4 reports in the trailing twelve months (0 purchases, 4 sales), most often in Duolingo, Inc. (DUOL). The largest single filing was $1.2M of DUOL (8,072 sh across 2 lots, as filed), executed Sep 14.

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Return, ttmiAverage return per filing, trailing twelve months

–

no purchases on file

Delay-adjustediThe same average, entered at disclosure dates

–

returns measure stock purchases only

Filings, ttm

0 buys · 4 sells

Median delay

–

execution → disclosure

Volume, ttmiDollar value disclosed in the trailing twelve months

$1.8M

shares × price, as filed

Last traded

Sep 14

Filed Sep 15

Median ADV $195.9M across their filed names

Open performance→

Volume by month

Buys $0 Sells $6.7M

Shares × price, as filed · by filing month · past 24 months

Sectors filed on

Technology 4 filings

Sector per market data · by filing · past 12 months

Most traded names

DUOL Duolingo, Inc. DUOL · 0 buys · 11 sells 11 filings

Recent filings

DUOLSALE Duolingo, Inc. View filing → $1.2M
8,072 sh across 2 lots
Exec Sep 14
Filed Sep 15 · 6:51 PM ET DUOLSALE Duolingo, Inc. View filing → $132K
1,024 sh × $129.13
Exec Aug 17
Filed Aug 19 · 5:16 PM ET DUOLSALE Duolingo, Inc. View filing → $145K
1,277 sh × $113.27
Exec May 18
Filed May 19 · 5:30 PM ET DUOLSALE Duolingo, Inc. View filing → $332K
1,876 sh across 2 lots
Exec Nov 17 2025
Filed Nov 19 2025 · 5:30 PM ET DUOLSALE Duolingo, Inc. View filing → $487K
1,515 sh × $321.36
Exec Aug 26 2025
Filed Aug 28 2025 · 5:30 PM ET DUOLSALE Duolingo, Inc. View filing → $422K
1,282 sh × $329.03
Exec Aug 15 2025
Filed Aug 18 2025 · 5:30 PM ET DUOLSALE Duolingo, Inc. View filing → $1.3M
2,535 sh across 5 lots
Exec May 16 2025
Filed May 19 2025 · 5:30 PM ET DUOLSALE Duolingo, Inc. View filing → $668K
1,257 sh × $531.71
Exec May 15 2025
Filed May 16 2025 · 5:30 PM ET More filings →