CHEN STEPHEN C.

PrivateCIK: 1869758
Location

PITTSBURGH, PA

CHEN STEPHEN C. (General Counsel) sold 5.0% of their position (2.80K shares) of DUOLINGO, INC. on the open market

Open‑market sale worth $316.6K — a moderate reduction. Review remaining holdings and any 10b5‑1 plan disclosures.

S · 3 sales
InsiderCHEN STEPHEN C.CIK 1869758
IssuerDUOLINGO, INC.CIK 1562088
Officer· General Counsel
Since Jul 2021
+21.61K
Net shares
Net buyer
$316.6K
Total sold
3
Open market trades
0B · 3S
4
Total transactions
24.41K acquired · 2.80K disposed
Non-Derivative Transactions4

Class A Common Stock

Direct
A · Award

Shares

+24.41K

Price / share

$112.06

Trade value

$2.74M

% of position

78.3%
5/15/2026
31.19K55.60K

Class A Common Stock

Direct
S · Sale

Shares

820.00

Price / share

$112.16

Trade value

$91.97K

% of position

1.5%
5/15/2026
55.60K54.78K

Class A Common Stock

Direct
S · Sale

Shares

1.28K

Price / share

$113.27

Trade value

$144.65K

% of position

2.3%
5/18/2026
54.78K53.51K

Class A Common Stock

Direct
S · Sale

Shares

700.00

Price / share

$114.22

Trade value

$79.96K

% of position

1.3%
5/18/2026
53.51K52.81K
Total

Net shares

+21.61K

Net value

$2.42M

Derivative Transactions0
No derivative transactions reported
CHEN STEPHEN C. — Insider Transaction (Form 4) Filed May 19, 2026 | Finecho