Stephen C. Chen - 18 Sep 2025 Form 4 Insider Report for Duolingo, Inc. (DUOL)

Role
General Counsel
Signature
/s/ Stephen C. Chen
Issuer symbol
DUOL
Transactions as of
18 Sep 2025
Net transactions value
+$24,514
Form type
4
Filing time
19 Sep 2025, 21:36:10 UTC
Previous filing
28 Aug 2025
Next filing
19 Nov 2025
SEC
View on sec.gov

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Chen Stephen C. General Counsel C/O DUOLINGO, INC., 5900 PENN AVENUE, PITTSBURGH /s/ Stephen C. Chen 19 Sep 2025 0001869758

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction DUOL Class A Common Stock Options Exercise $24,514 +1,700 +5.2% $14.42 34,338 18 Sep 2025 Direct

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Underlying Class Amount Exercise Price Ownership Footnotes
transaction DUOL Stock Option (Right to Buy) Options Exercise $0 -1,700 -40% $0.000000 2,506 18 Sep 2025 Class A Common Stock 1,700 $14.42 Direct F1
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 The shares subject to the option are fully vested and exercisable.