DUOLINGO INC

Ticker: DUOL CUSIP: 26603R106 Class: EQTY

BOKF, NA's Holding History (CIK: 0000009634)

Note: Option positions (PUT/CALL) are excluded.

Q2 2025

Shares 2 Value ($000) $1 Avg Close $438.78 Range $274.97 - $544.93

Q1 2025

Shares 2 Value ($000) $1 Avg Close $342.01 Range $263.68 - $441.76

Q4 2024

Shares 2 Value ($000) $1 Avg Close $318.27 Range $273.06 - $378.48

Period	Shares	Value ($000)	Average Close	Price Range
Q2 2025	2	$1	$438.78	$274.97 - $544.93
Q1 2025	2	$1	$342.01	$263.68 - $441.76
Q4 2024	2	$1	$318.27	$273.06 - $378.48