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Document

Securities and Exchange Commission
Washington, D.C. 20549
Schedule 13G
(Rule 13d-102)
Information to be Included in Statements Filed Pursuant
to § 240.13d-1(b), (c) and (d) and Amendments Thereto Filed
Pursuant to § 240.13d-2

UNDER THE SECURITIES EXCHANGE ACT OF 1934

(Amendment No. 2)*

Duolingo, Inc.
(Name of Issuer)

Class A Common Stock
(Title of Class of Securities)
26603R106
(CUSIP Number)
December 31, 2023
(Date of Event Which Requires Filing of this Statement)
Check the appropriate box to designate the rule pursuant to which this Schedule is filed:
[        ]    Rule 13d-1(b)
[        ]    Rule 13d-1(c)
[    X    ]    Rule 13d-1(d)
* The remainder of this cover page shall be filled out for a reporting person’s initial filing on this form with respect to the subject class of securities, and for any subsequent amendment containing information which would alter the disclosures provided in a prior cover page.
The information required in the remainder of this cover page shall not be deemed to be “filed” for the purpose of Section 18 of the Securities Exchange Act of 1934 (“Act”) or otherwise subject to the liabilities of that section of the Act but shall be subject to all other provisions of the Act (however, see the Notes).



CUSIP No. 26603R106Schedule 13G
Page 1 of 5


1
Names of Reporting Persons

Luis von Ahn
2Check the Appropriate Box if a Member of a Group (a) [ ] (b) [ ]
3SEC Use Only
4
Citizenship or Place of Organization

United States
Number of Shares Beneficially Owned by Each Reporting Person With5
Sole Voting Power
    3,637,231
6
Shared Voting Power
    0
7
Sole Dispositive Power
    3,637,231
8
Shared Dispositive Power

    0
9
Aggregate Amount Beneficially Owned by Each Reporting Person

    3,637,231
10
Check if the Aggregate Amount in Row (9) Excludes Certain Shares

    
Not Applicable
11
Percent of Class Represented by Amount in Row 9

    9.2%
12
Type of Reporting Person

    
IN




CUSIP No. 26603R106Schedule 13G
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ITEM 1. (a)    Name of Issuer:
Duolingo, Inc. (the “Issuer”).
(a)Address of Issuer’s Principal Executive Offices:

5900 Penn Avenue, Pittsburgh, Pennsylvania 15206
ITEM 2. (a)    Name of Person Filing:
This statement is filed on behalf of Luis von Ahn (the “Reporting Person”).
(a)Address or Principal Business Office:
The business address of the Reporting Person is c/o Duolingo, Inc., 5900 Penn Avenue, Pittsburgh, PA 15206.
(b)Citizenship of each Reporting Person is:
The Reporting Person is a citizen of the United States.
(c)Title of Class of Securities:
Class A Common Stock, par value $0.0001 per share (“Class A Common Stock”).
(d)CUSIP Number:

26603R106
ITEM 3.
    Not applicable.


CUSIP No. 26603R106Schedule 13G
Page 3 of 5

ITEM 4.Ownership.

(a-c)

The ownership information presented below represents beneficial ownership of Class A Common Stock of the Issuer as of December 31, 2023, based upon 35,797,739 shares of Class A Common Stock outstanding as of November 7, 2023, based on the Issuer’s Quarterly Report on Form 10-Q filed with the Securities and Exchange Commission on November 8, 2023.

Reporting Person
Amount
beneficially
owned
Percent
of class:
Sole power to vote or to direct the vote:Shared power to vote or to direct the vote:
Sole power to dispose or to direct the disposition
of:
Shared
power to
dispose or
to direct
the
disposition
of:
Luis von Ahn
3,637,231
9%
3,637,231
0
3,637,231
0

The Reporting Person is the beneficial owner of 3,637,231 shares of Class A Common Stock, which includes (i) 3,089,231 shares of Class A Common Stock underlying shares of Class B Common Stock held of record by the Reporting Person that are convertible at any time at the option of the holder into Class A Common Stock on a one-for-one basis, (ii) 525,000 shares of Class A Common Stock underlying stock options held of record by the Reporting Person that are exercisable prior to February 29, 2024, and (iii) 23,000 shares of Class A Common Stock underlying shares of Class B Common Stock that are held of record by Luis von Ahn Foundation and which are convertible at any time at the option of the holder into Class A Common Stock on a one-for-one basis.
ITEM 5.Ownership of Five Percent or Less of a Class.
    Not applicable.
ITEM 6.Ownership of More than Five Percent on Behalf of Another Person.
    Not applicable.
ITEM 7.Identification and Classification of the Subsidiary Which Acquired the Security Being Reported on By the Parent Holding Company.
    Not applicable.
ITEM 8.Identification and Classification of Members of the Group.
    Not applicable.
ITEM 9.Notice of Dissolution of Group.
    Not applicable.
ITEM 10. Certification.
Not applicable.


CUSIP No. 26603R106Schedule 13G
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CUSIP No. 26603R106Schedule 13G
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SIGNATURE

After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct.

Date:    February 5, 2024

Luis von Ahn

/s/ Luis von Ahn