Chen Stephen C.
28 Form 4 · free tier: 48h delay
Recent Form 4 slice from EDGAR — up to 30 filings (not a full archive).
For informational purposes only. Not investment advice. Data is aggregated from public SEC and congressional disclosures. Nothing on this site is a recommendation to buy or sell any security. Public disclosure of a trade is not evidence of wrongdoing or insider trading.
Recent Form 4 trades
Open-market purchases and sales
1 trade in the last 48h is Pro-only
••••••••••••
DUOL · Trade · Nov 4, 2026 · Filed · Nov 5, 2026
$•••••
Duolingo, Inc.
DUOL · Trade · Sep 14, 2026 · Filed · Sep 15, 2026
$1,205,385
8,072 sh · 2 tx
Duolingo, Inc.
DUOL · Trade · Aug 17, 2026 · Filed · Aug 19, 2026 · filed 2 days after trade
$132,229
1,024 sh
Duolingo, Inc.
DUOL · Trade · May 18, 2026 · Filed · May 19, 2026
$224,603
1,977 sh · 2 tx
Duolingo, Inc.
DUOL · Trade · May 15, 2026 · Filed · May 19, 2026 · filed 4 days after trade
$91,971
820 sh
Duolingo, Inc.
DUOL · Trade · Feb 18, 2026 · Filed · Feb 20, 2026 · filed 2 days after trade
$215,313
1,901 sh · 4 tx
Duolingo, Inc.
DUOL · Trade · Feb 17, 2026 · Filed · Feb 20, 2026 · filed 3 days after trade
$98,614
896 sh
Duolingo, Inc.
DUOL · Trade · Nov 18, 2025 · Filed · Nov 19, 2025
$266,265
1,514 sh · 4 tx
Duolingo, Inc.
DUOL · Trade · Nov 17, 2025 · Filed · Nov 19, 2025 · filed 2 days after trade
$228,132
1,282 sh
Duolingo, Inc.
DUOL · Trade · Aug 26, 2025 · Filed · Aug 28, 2025 · filed 2 days after trade
$486,860
1,515 sh
Duolingo, Inc.
DUOL · Trade · Aug 15, 2025 · Filed · Aug 18, 2025 · filed 3 days after trade
$421,816
1,282 sh
Duolingo, Inc.
DUOL · Trade · May 16, 2025 · Filed · May 19, 2025 · filed 3 days after trade
$1,388,480
2,635 sh · 6 tx
Duolingo, Inc.
DUOL · Trade · Feb 18, 2025 · Filed · Feb 19, 2025
$898,091
2,064 sh · 2 tx
Duolingo, Inc.
DUOL · Trade · Nov 15, 2024 · Filed · Nov 18, 2024 · filed 3 days after trade
$386,316
1,249 sh