DUOLINGO INC

Ticker: DUOL CUSIP: 26603R106 Class: EQTY

FOX RUN MANAGEMENT, L.L.C.'s Holding History (CIK: 0001533457)

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

Q4 2025

Shares 3,391 Value ($000) $595 Avg Close $235.64 Range $166.27 - $353.00

Q3 2025

Shares 1,652 Value ($000) $532 Avg Close $334.45 Range $256.63 - $468.00

Q2 2025

Shares 3,647 Value ($000) $1,495 Avg Close $438.78 Range $274.97 - $544.93

Q2 2024

Shares 1,427 Value ($000) $298 Avg Close $204.75 Range $171.93 - $251.30

Q1 2024

Shares 2,866 Value ($000) $632 Avg Close $203.74 Range $171.64 - $245.59

Q2 2023

Shares 5,889 Value ($000) $842 Avg Close $143.30 Range $116.82 - $168.40

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	3,391	$595	$235.64	$166.27 - $353.00
Q3 2025	1,652	$532	$334.45	$256.63 - $468.00
Q2 2025	3,647	$1,495	$438.78	$274.97 - $544.93
Q2 2024	1,427	$298	$204.75	$171.93 - $251.30
Q1 2024	2,866	$632	$203.74	$171.64 - $245.59
Q2 2023	5,889	$842	$143.30	$116.82 - $168.40