Historical shareholding details of Oberweis Asset Management Inc holdings in Universal Display Corp. (OLED)

Monthly changes of Oberweis Asset Management Inc shareholding in Universal Display Corp. over the previous months

Month	Name	Total no. shares held	Percent Holding
Month	Name	Total no. shares held	Percent Holding
Mar 31, 2025	Oberweis Asset Management Inc	183,800	0.39%

Feb 28, 2025	Oberweis Asset Management Inc	183,800	0.39%

Jan 31, 2025	Oberweis Asset Management Inc	183,800	0.39%

Dec 31, 2024	Oberweis Asset Management Inc	97,993	0.21%
Dec 31, 2024	Oberweis Asset Management Inc	183,800	0.39%

Nov 30, 2024	Oberweis Asset Management Inc	183,800	0.39%

Oct 31, 2024	Oberweis Asset Management Inc	186,400	0.39%

Sep 30, 2024	Oberweis Asset Management Inc	98,172	0.21%
Sep 30, 2024	Oberweis Asset Management Inc	186,400	0.39%

Aug 31, 2024	Oberweis Asset Management Inc	186,400	0.39%

Jul 31, 2024	Oberweis Asset Management Inc	163,400	0.34%

Jun 30, 2024	Oberweis Asset Management Inc	100,048	0.21%
Jun 30, 2024	Oberweis Asset Management Inc	140,400	0.30%

May 31, 2024	Oberweis Asset Management Inc	140,400	0.30%

Apr 30, 2024	Oberweis Asset Management Inc	118,600	0.25%

Mar 31, 2024	Oberweis Asset Management Inc	77,442	0.16%
Mar 31, 2024	Oberweis Asset Management Inc	118,600	0.25%

Feb 29, 2024	Oberweis Asset Management Inc	118,600	0.25%

Jan 31, 2024	Oberweis Asset Management Inc	112,000	0.24%

Dec 31, 2023	Oberweis Asset Management Inc	112,000	0.24%

Nov 30, 2023	Oberweis Asset Management Inc	52,900	0.11%

Oct 31, 2023	Oberweis Asset Management Inc	52,900	0.11%

Sep 30, 2023	Oberweis Asset Management Inc	62,015	0.13%