Natalie Glance - 27 Feb 2026 Form 4 Insider Report for Duolingo, Inc. (DUOL)

Role
Chief Engineering Officer
Signature
/s/ Stephen Chen, as Attorney-in-Fact for Natalie Glance
Issuer symbol
DUOL
Transactions as of
27 Feb 2026
Net transactions value
+$147,462
Form type
4
Filing time
03 Mar 2026, 16:11:59 UTC
Previous filing
20 Feb 2026
SEC
View on sec.gov

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Glance Natalie Chief Engineering Officer C/O DUOLINGO, INC., 5900 PENN AVENUE, PITTSBURGH /s/ Stephen Chen, as Attorney-in-Fact for Natalie Glance 03 Mar 2026 0001870350

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction DUOL Class A Common Stock Options Exercise $59,170 +11,834 +10% $5.00 127,214 27 Feb 2026 Direct
transaction DUOL Class A Common Stock Options Exercise $88,292 +12,418 +9.8% $7.11 139,632 27 Feb 2026 Direct
holding DUOL Class A Common Stock 130 27 Feb 2026 By son

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 -11,834 -100% $0.000000 0 27 Feb 2026 Class A Common Stock 11,834 $5.00 Direct F1
transaction DUOL Stock Option (Right to Buy) Options Exercise $0 -12,418 -71% $0.000000 5,000 27 Feb 2026 Class A Common Stock 12,418 $7.11 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.