DUOLINGO INC

Ticker: DUOL CUSIP: 26603R106 Class: EQTY

Cerity Partners LLC's Holding History (CIK: 0001566475)

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

Q4 2025

Shares 54,336 Value ($000) $9,536 Avg Close $235.64 Range $166.27 - $353.00

Q3 2025

Shares 73,018 Value ($000) $23,500 Avg Close $334.45 Range $256.63 - $468.00

Q2 2025

Shares 57,134 Value ($000) $23,426 Avg Close $438.78 Range $274.97 - $544.93

Q1 2025

Shares 55,642 Value ($000) $17,279 Avg Close $342.01 Range $263.68 - $441.76

Q4 2024

Shares 51,580 Value ($000) $16,679 Avg Close $318.27 Range $273.06 - $378.48

Q3 2024

Shares 51,374 Value ($000) $14,488 Avg Close $205.07 Range $145.05 - $297.56

Q2 2024

Shares 47,480 Value ($000) $9,908 Avg Close $204.75 Range $171.93 - $251.30

Q1 2024

Shares 47,396 Value ($000) $10,455 Avg Close $203.74 Range $171.64 - $245.59

Q4 2023

Shares 46,789 Value ($000) $10,614 Avg Close $194.44 Range $140.16 - $245.87

Q3 2023

Shares 1,632 Value ($000) $271 Avg Close $147.08 Range $121.89 - $174.70

Q2 2023

Shares 45,184 Value ($000) $6,459 Avg Close $143.30 Range $116.82 - $168.40

Q1 2023

Shares 45,158 Value ($000) $6,439 Avg Close $102.70 Range $68.93 - $146.40

Q4 2022

Shares 45,000 Value ($000) $3,201 Avg Close $78.08 Range $64.73 - $105.73

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	54,336	$9,536	$235.64	$166.27 - $353.00
Q3 2025	73,018	$23,500	$334.45	$256.63 - $468.00
Q2 2025	57,134	$23,426	$438.78	$274.97 - $544.93
Q1 2025	55,642	$17,279	$342.01	$263.68 - $441.76
Q4 2024	51,580	$16,679	$318.27	$273.06 - $378.48
Q3 2024	51,374	$14,488	$205.07	$145.05 - $297.56
Q2 2024	47,480	$9,908	$204.75	$171.93 - $251.30
Q1 2024	47,396	$10,455	$203.74	$171.64 - $245.59
Q4 2023	46,789	$10,614	$194.44	$140.16 - $245.87
Q3 2023	1,632	$271	$147.08	$121.89 - $174.70
Q2 2023	45,184	$6,459	$143.30	$116.82 - $168.40
Q1 2023	45,158	$6,439	$102.70	$68.93 - $146.40
Q4 2022	45,000	$3,201	$78.08	$64.73 - $105.73