DUOLINGO INC

Ticker: DUOL CUSIP: 26603R106 Class: EQTY

NATIONAL BANK OF CANADA /FI/'s Holding History (CIK: 0000926171)

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

Q4 2025

Shares 25 Value ($000) $4 Avg Close $235.64 Range $166.27 - $353.00

Q3 2025

Shares 4,099 Value ($000) $1,320 Avg Close $334.45 Range $256.63 - $468.00

Q2 2025

Shares 10,612 Value ($000) $4,349 Avg Close $438.78 Range $274.97 - $544.93

Q1 2025

Shares 4,300 Value ($000) $1,336 Avg Close $342.01 Range $263.68 - $441.76

Q4 2024

Shares 25 Value ($000) $8 Avg Close $318.27 Range $273.06 - $378.48

Q2 2024

Shares 25 Value ($000) $4 Avg Close $204.75 Range $171.93 - $251.30

Q4 2023

Shares 11,700 Value ($000) $2,508 Avg Close $194.44 Range $140.16 - $245.87

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	25	$4	$235.64	$166.27 - $353.00
Q3 2025	4,099	$1,320	$334.45	$256.63 - $468.00
Q2 2025	10,612	$4,349	$438.78	$274.97 - $544.93
Q1 2025	4,300	$1,336	$342.01	$263.68 - $441.76
Q4 2024	25	$8	$318.27	$273.06 - $378.48
Q2 2024	25	$4	$204.75	$171.93 - $251.30
Q4 2023	11,700	$2,508	$194.44	$140.16 - $245.87