DUOLINGO INC

Ticker: DUOL CUSIP: 26603R106 Class: EQTY

OSSIAM's Holding History (CIK: 0001767471)

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

Q4 2025

Shares 16,500 Value ($000) $2,896 Avg Close $235.64 Range $166.27 - $353.00

Q3 2025

Shares 16,720 Value ($000) $5,381 Avg Close $334.45 Range $256.63 - $468.00

Q2 2025

Shares 16,500 Value ($000) $6,765 Avg Close $438.78 Range $274.97 - $544.93

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	16,500	$2,896	$235.64	$166.27 - $353.00
Q3 2025	16,720	$5,381	$334.45	$256.63 - $468.00
Q2 2025	16,500	$6,765	$438.78	$274.97 - $544.93