Severin Hacker - Jun 6, 2025 Form 4 Insider Report for Duolingo, Inc. (DUOL)

Signature
/s/ Stephen Chen, as Attorney-in-Fact for Severin Hacker
Stock symbol
DUOL
Transactions as of
Jun 6, 2025
Transactions value $
$0
Form type
4
Date filed
6/10/2025, 05:37 PM
Previous filing
Jun 9, 2025
Next filing
Jun 23, 2025

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Hacker Severin Chief Tech Officer, Co-Founder, Director, 10%+ Owner C/O DUOLINGO, INC., 5900 PENN AVENUE, PITTSBURGH /s/ Stephen Chen, as Attorney-in-Fact for Severin Hacker 2025-06-10 0001870272

Transactions Table

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 Class B Common Stock Conversion of derivative security $0 -60K -2.03% $0.00 2.9M Jun 6, 2025 Class A Common Stock 60K See footnote F1, F2
holding DUOL Class B Common Stock 86.1K Jun 6, 2025 Class A Common Stock 86.1K Direct F2
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 Shares held by SBH Trust dated March 10, 2020, of which Reporting Person is Trustee.
F2 Each share of Class B Common Stock is convertible at any time at the option of the Reporting Person into one share of Class A Common Stock and has no expiration date. Each share of Class B Common Stock will convert automatically into one share of Class A Common Stock in connection with: (i) any transfer, whether or not for value, except for certain permitted transfers further described in the Issuer's amended and restated certificate of incorporation, (ii) such time as the aggregate number of shares of Class B Common Stock outstanding ceases to represent 5% of the aggregate number of shares of Common Stock outstanding, and (iii) the death of the Reporting Person.