DUOLINGO INC

Ticker: DUOL CUSIP: 26603R106 Class: EQTY

WHITTIER TRUST CO's Holding History (CIK: 0001137881)

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

Q4 2025

Shares 17 Value ($000) $3 Avg Close $235.64 Range $166.27 - $353.00

Q3 2025

Shares 124 Value ($000) $40 Avg Close $334.45 Range $256.63 - $468.00

Q2 2025

Shares 107 Value ($000) $44 Avg Close $438.78 Range $274.97 - $544.93

Q1 2025

Shares 107 Value ($000) $33 Avg Close $342.01 Range $263.68 - $441.76

Q3 2023

Shares 946 Value ($000) $157 Avg Close $147.08 Range $121.89 - $174.70

Q4 2022

Shares 30 Value ($000) $2 Avg Close $78.08 Range $64.73 - $105.73

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	17	$3	$235.64	$166.27 - $353.00
Q3 2025	124	$40	$334.45	$256.63 - $468.00
Q2 2025	107	$44	$438.78	$274.97 - $544.93
Q1 2025	107	$33	$342.01	$263.68 - $441.76
Q3 2023	946	$157	$147.08	$121.89 - $174.70
Q4 2022	30	$2	$78.08	$64.73 - $105.73