UNIVERSAL DISPLAY CORP

Ticker: OLED CUSIP: 91347P105 Class: Common Stock

Chesley Taft & Associates LLC's Holding History (CIK: 0001164632)

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

Q4 2025
Shares 1,750 Value ($000) $204 Avg Close $129.25 Range $106.82 - $152.79
Q3 2025
Shares 1,750 Value ($000) $251 Avg Close $144.44 Range $132.48 - $161.20
Q2 2025
Shares 1,750 Value ($000) $270 Avg Close $138.68 Range $102.66 - $161.57
Q1 2025
Shares 2,000 Value ($000) $279 Avg Close $147.55 Range $135.32 - $162.15
Q4 2024
Shares 2,950 Value ($000) $431 Avg Close $175.37 Range $143.37 - $211.24
Q3 2024
Shares 3,000 Value ($000) $630 Avg Close $199.13 Range $153.86 - $232.88
Q2 2024
Shares 3,000 Value ($000) $631 Avg Close $172.49 Range $145.88 - $208.77
Q1 2024
Shares 3,000 Value ($000) $505 Avg Close $170.29 Range $152.89 - $185.43
Q4 2023
Shares 3,000 Value ($000) $574 Avg Close $161.47 Range $130.51 - $190.61