DUOLINGO INC

Ticker: DUOL CUSIP: 26603R106 Class: EQTY

Joel Isaacson & Co., LLC's Holding History (CIK: 0001599330)

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

Q4 2025
Shares 2,144 Value ($000) $376 Avg Close $235.64 Range $166.27 - $353.00
Q3 2025
Shares 2,144 Value ($000) $690 Avg Close $334.45 Range $256.63 - $468.00
Q2 2025
Shares 2,144 Value ($000) $879 Avg Close $438.78 Range $274.97 - $544.93
Q1 2025
Shares 2,319 Value ($000) $720 Avg Close $342.01 Range $263.68 - $441.76
Q4 2024
Shares 1,734 Value ($000) $562 Avg Close $318.27 Range $273.06 - $378.48
Q3 2024
Shares 1,734 Value ($000) $489 Avg Close $205.07 Range $145.05 - $297.56
Q2 2024
Shares 1,534 Value ($000) $320 Avg Close $204.75 Range $171.93 - $251.30
Q1 2024
Shares 1,384 Value ($000) $305 Avg Close $203.74 Range $171.64 - $245.59
Q4 2023
Shares 884 Value ($000) $201 Avg Close $194.44 Range $140.16 - $245.87