Stephen C. Chen - Jul 27, 2021 Form 3 Insider Report for Duolingo, Inc. (DUOL)

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
holding	DUOL	Stock Option (Right to Buy)							Jul 27, 2021	Class A Common Stock	140K	$14.42	Direct	F1

Showing 1 to 1 of 1 entries

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Id	Content
F1	25% of the shares subject to the option vest on the first anniversary measured from March 2, 2020 (the "Vesting Commencement Date"), and 1/48th of the total number of shares vest monthly thereafter, such that 100% of the shares subject to the option will be fully vested and exercisable on the fourth anniversary of the Vesting Commencement Date.

Exhibit 24.1 Power of Attorney