SEC Form 3

FORM 3

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934 or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL OMB Number: 3235-0104 Estimated average burden hours per response: 0.5

1. Name and Address of Reporting Person* Durable Capital Partners LP (Last) (First) (Middle) 5425 WISCONSIN AVENUE, SUITE #802 (Street) CHEVY CHASE MD 20815 (City) (State) (Zip)	2. Date of Event Requiring Statement (Month/Day/Year) 12/29/2021	3. Issuer Name and Ticker or Trading Symbol Duolingo, Inc. [ DUOL ]
		4. Relationship of Reporting Person(s) to Issuer (Check all applicable) Director X 10% Owner Officer (give title below) Other (specify below)	5. If Amendment, Date of Original Filed (Month/Day/Year)
			6. Individual or Joint/Group Filing (Check Applicable Line) X Form filed by One Reporting Person Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Beneficially Owned
1. Title of Security (Instr. 4)	2. Amount of Securities Beneficially Owned (Instr. 4)	3. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	4. Nature of Indirect Beneficial Ownership (Instr. 5)
Class A Common Stock, $0.0001 par value per share	1,583,059	I	See Footnote(1)

Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 4)	2. Date Exercisable and Expiration Date (Month/Day/Year)		3. Title and Amount of Securities Underlying Derivative Security (Instr. 4)		4. Conversion or Exercise Price of Derivative Security	5. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	6. Nature of Indirect Beneficial Ownership (Instr. 5)
	Date Exercisable	Expiration Date	Title	Amount or Number of Shares
Class B Common Stock, $0.0001 par value per share	(2)	(2)	Class A Common Stock, $0.0001 par value per share	414,981	(2)	I	See Footnote(1)

Explanation of Responses:

1. Held directly by Durable Capital Master Fund LP ("Durable Capital Master Fund"). Durable Capital Partners LP ("Durable Capital") acts as the investment adviser to Durable Capital Master Fund and has sole voting power and sole investment power over the securities reported on this Form 3. Durable Capital Partners GP LLC ("Durable GP") is the general partner of Durable Capital, and Henry Ellenbogen is the chief investment officer of Durable Capital and the managing member of Durable GP. Each of Durable Capital Master Fund, Durable Capital, Durable GP and Mr. Ellenbogen disclaim beneficial ownership of the reported securities, except to the extent of any pecuniary interest therein.

2. The shares of the Issuer's Class B Common Stock, $0.0001 par value per share ("Class B Common Stock"), are convertible into shares of the Issuer's Class A Common Stock, $0.0001 par value per share ("Class A Common Stock"), on a one-for-one basis at the option of the holder, and each share of Class B Common Stock will convert automatically into one share of Class A Common Stock in connection with any transfer that does not fall within an exception for transfers to affiliates, or on a date set by the board of directors following the date that the Class B Common Stock then outstanding ceases to represent at least 5% of the aggregate number of all shares of Common Stock then outstanding.

	Durable Capital Partners LP By: Julie Jack, its Authorized Person: /s/ Julie Jack	01/03/2022
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 5 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.