Chen Stephen C.

Insider

General Counsel

Trades at: DUOL

30D 90D 1Y

Net shares · 365d

-11.2K

0 buy · 11.2K sell

Net value · 365d

-$2.0M

$0 in · $2.0M out

Sentiment · 365d

Net selling

0% buying · 100% selling

Open-market trades · 365d

0 buy · 11.2K sell

Net buy / sell volume (all companies)

Tap or hover the chart for daily net volume. Green = net buying, red = net selling.

All transactions · open-market

Include grants & non-market

DUOL Sell·S
May 18, 26

General Counsel · 10b5-1

$80.0K

700 sh · $114.22

Own -1%
DUOL Sell·S
May 18, 26

General Counsel · 10b5-1

$144.6K

1.3K sh · $113.27

Own -2%
DUOL Sell·S
May 15, 26

General Counsel · 10b5-1

$92.0K

820 sh · $112.16

Own -1%
DUOL Sell·S
Feb 18, 26

General Counsel · 10b5-1

$9.2K

80 sh · $115.47

Own -0%
DUOL Sell·S
Feb 18, 26

General Counsel · 10b5-1

$59.6K

520 sh · $114.55

Own -2%
DUOL Sell·S
Feb 18, 26

General Counsel · 10b5-1

$54.7K

480 sh · $113.95

Own -2%
DUOL Sell·S
Feb 18, 26

General Counsel · 10b5-1

$91.8K

821 sh · $111.83

Own -3%
DUOL Sell·S
Feb 17, 26

General Counsel · 10b5-1

$98.6K

896 sh · $110.06

Own -3%
DUOL Sell·S
Nov 18, 25

General Counsel · 10b5-1

$20.9K

120 sh · $173.97

Own -0%
DUOL Sell·S
Nov 18, 25

General Counsel · 10b5-1

$104.0K

594 sh · $175.15

Own -2%
DUOL Sell·S
Nov 18, 25

General Counsel · 10b5-1

$56.3K

320 sh · $175.94

Own -1%
DUOL Sell·S
Nov 18, 25

General Counsel · 10b5-1

$85.1K

480 sh · $177.19

Own -1%
DUOL Sell·S
Nov 17, 25

General Counsel · 10b5-1

$228.1K

1.3K sh · $177.95

Own -4%
DUOL Sell·S
Aug 26, 25

General Counsel · 10b5-1

$486.9K

1.5K sh · $321.36

Own -4%
DUOL Sell·S
Aug 15, 25

General Counsel

$421.8K

1.3K sh · $329.03

Own -4%

Date▾	Ticker	Role	Type	Shares	Own Δ	Price	Value
May 18, 2026	DUOL	General Counsel	Sell S	700	-1%	$114.22	$80.0K
May 18, 2026	DUOL	General Counsel	Sell S	1.3K	-2%	$113.27	$144.6K
May 15, 2026	DUOL	General Counsel	Sell S	820	-1%	$112.16	$92.0K
Feb 18, 2026	DUOL	General Counsel	Sell S	80	-0%	$115.47	$9.2K
Feb 18, 2026	DUOL	General Counsel	Sell S	520	-2%	$114.55	$59.6K
Feb 18, 2026	DUOL	General Counsel	Sell S	480	-2%	$113.95	$54.7K
Feb 18, 2026	DUOL	General Counsel	Sell S	821	-3%	$111.83	$91.8K
Feb 17, 2026	DUOL	General Counsel	Sell S	896	-3%	$110.06	$98.6K
Nov 18, 2025	DUOL	General Counsel	Sell S	120	-0%	$173.97	$20.9K
Nov 18, 2025	DUOL	General Counsel	Sell S	594	-2%	$175.15	$104.0K
Nov 18, 2025	DUOL	General Counsel	Sell S	320	-1%	$175.94	$56.3K
Nov 18, 2025	DUOL	General Counsel	Sell S	480	-1%	$177.19	$85.1K
Nov 17, 2025	DUOL	General Counsel	Sell S	1.3K	-4%	$177.95	$228.1K
Aug 26, 2025	DUOL	General Counsel	Sell S	1.5K	-4%	$321.36	$486.9K
Aug 15, 2025	DUOL	General Counsel	Sell S	1.3K	-4%	$329.03	$421.8K

About Chen Stephen C.

This profile aggregates every SEC Form 4 insider transaction reported by Chen Stephen C. across all companies they trade. Open-market purchases (code P) and sales (code S) are the highest-signal, discretionary trades; grants (A), option exercises (M) and gifts (G) reflect compensation rather than conviction and carry no market price. Figures cover the selected period and update as new filings are ingested.