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

Trading track record · all companies

Running net of open-market buys − sells across every company. Tap the line or a marker for details. ▲ buy · ▼ sell.

Transactions · 365d

Open-market Buys Sells All types

DUOL Exercise·M
Jun 17, 26

General Counsel

$0

58 sh

Own New
DUOL Exercise·M
Jun 17, 26

General Counsel

$836

58 sh · $14.42

Own +0%
DUOL Sell·S
May 18, 26

General Counsel · 10b5-1

$316.6K

2.8K sh · $113.18 avg · 3 lots

Own -5%
DUOL Grant·A
May 15, 26

General Counsel · 10b5-1

$2.7M

24.4K sh · $112.06

Own +78%
DUOL Exercise·M
May 12, 26

General Counsel

$0

648 sh

Own New
DUOL Exercise·M
May 12, 26

General Counsel

$9.3K

648 sh · $14.42

Own +2%
DUOL Sell·S
Feb 18, 26

General Counsel · 10b5-1

$313.9K

2.8K sh · $112.24 avg · 5 lots

Own -8%
DUOL Exercise·M
Dec 29, 25

General Counsel

$0

1.8K sh

Own New
DUOL Exercise·M
Dec 29, 25

General Counsel

$26.0K

1.8K sh · $14.42

Own +6%
DUOL Sell·S
Nov 18, 25

General Counsel · 10b5-1

$494.4K

2.8K sh · $176.82 avg · 5 lots

Own -8%
DUOL Exercise·M
Sep 18, 25

General Counsel

$0

1.7K sh

Own +211%
DUOL Exercise·M
Sep 18, 25

General Counsel

$24.5K

1.7K sh · $14.42

Own +5%
DUOL Sell·S
Aug 26, 25

General Counsel · 10b5-1

$486.9K

1.5K sh · $321.36

Own -4%
DUOL Other·G
Aug 15, 25

General Counsel

$0

750 sh

Own -2%
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
Jun 17, 2026	DUOL	General Counsel	Exercise M	58	New	—	$0
Jun 17, 2026	DUOL	General Counsel	Exercise M	58	+0%	$14.42	$836
May 18, 2026	DUOL	General Counsel	Sell S	2.8K3 lots	-5%	$113.18 avg	$316.6K
May 15, 2026	DUOL	General Counsel	Grant A	24.4K	+78%	$112.06	$2.7M
May 12, 2026	DUOL	General Counsel	Exercise M	648	New	—	$0
May 12, 2026	DUOL	General Counsel	Exercise M	648	+2%	$14.42	$9.3K
Feb 18, 2026	DUOL	General Counsel	Sell S	2.8K5 lots	-8%	$112.24 avg	$313.9K
Dec 29, 2025	DUOL	General Counsel	Exercise M	1.8K	New	—	$0
Dec 29, 2025	DUOL	General Counsel	Exercise M	1.8K	+6%	$14.42	$26.0K
Nov 18, 2025	DUOL	General Counsel	Sell S	2.8K5 lots	-8%	$176.82 avg	$494.4K
Sep 18, 2025	DUOL	General Counsel	Exercise M	1.7K	+211%	—	$0
Sep 18, 2025	DUOL	General Counsel	Exercise M	1.7K	+5%	$14.42	$24.5K
Aug 26, 2025	DUOL	General Counsel	Sell S	1.5K	-4%	$321.36	$486.9K
Aug 15, 2025	DUOL	General Counsel	Other G	750	-2%	—	$0
Aug 15, 2025	DUOL	General Counsel	Sell S	1.3K	-4%	$329.03	$421.8K

Buy Sell Non-market (grant · exercise · gift)

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.