UNIVERSAL DISPLAY CORP

Ticker: OLED CUSIP: 91347P105 Class: Common Stock

GREAT WEST LIFE ASSURANCE CO /CAN/'s Holding History (CIK: 0001046192)

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

Q4 2025

Shares 28,213 Value ($000) $3 Avg Close $129.25 Range $106.82 - $152.79

Q3 2025

Shares 27,306 Value ($000) $4 Avg Close $144.44 Range $132.48 - $161.20

Q2 2025

Shares 27,300 Value ($000) $4 Avg Close $138.68 Range $102.66 - $161.57

Q1 2025

Shares 28,006 Value ($000) $4 Avg Close $147.55 Range $135.32 - $162.15

Q4 2024

Shares 31,282 Value ($000) $5 Avg Close $175.37 Range $143.37 - $211.24

Q3 2024

Shares 31,312 Value ($000) $7 Avg Close $199.13 Range $153.86 - $232.88

Q2 2024

Shares 28,819 Value ($000) $6 Avg Close $172.49 Range $145.88 - $208.77

Q1 2024

Shares 26,468 Value ($000) $4 Avg Close $170.29 Range $152.89 - $185.43

Q4 2023

Shares 37,415 Value ($000) $7 Avg Close $161.47 Range $130.51 - $190.61

Q3 2023

Shares 37,767 Value ($000) $6 Avg Close $148.04 Range $132.08 - $162.28

Q2 2023

Shares 34,948 Value ($000) $5 Avg Close $139.33 Range $122.44 - $153.08

Q1 2023

Shares 37,957 Value ($000) $6 Avg Close $130.36 Range $102.50 - $151.53

Q4 2022

Shares 38,593 Value ($000) $4 Avg Close $101.46 Range $86.46 - $118.30

Q3 2022

Shares 31,518 Value ($000) $2,973 Avg Close $106.77 Range $91.01 - $123.40

Q2 2022

Shares 27,248 Value ($000) $2,756 Avg Close $123.72 Range $95.17 - $164.79

Q1 2022

Shares 24,038 Value ($000) $4,121 Avg Close $149.02 Range $123.04 - $171.54

Q4 2021

Shares 22,178 Value ($000) $3,655 Avg Close $158.09 Range $134.02 - $180.74

Q3 2021

Shares 22,229 Value ($000) $3,828 Avg Close $198.32 Range $163.63 - $226.92

Q2 2021

Shares 21,349 Value ($000) $4,747 Avg Close $209.57 Range $177.37 - $235.73

Q1 2021

Shares 16,632 Value ($000) $3,931 Avg Close $220.81 Range $172.23 - $251.14

Q4 2020

Shares 18,012 Value ($000) $4,136 Avg Close $204.14 Range $168.68 - $236.05

Q3 2020

Shares 20,332 Value ($000) $3,674 Avg Close $163.00 Range $139.85 - $191.81

Q2 2020

Shares 21,144 Value ($000) $3,156 Avg Close $139.94 Range $112.38 - $160.88

Q1 2020

Shares 22,101 Value ($000) $2,911 Avg Close $163.84 Range $100.21 - $211.62

Q4 2019

Shares 20,498 Value ($000) $4,192 Avg Close $179.87 Range $150.40 - $208.09

Q2 2019

Shares 25,019 Value ($000) $4,706 Avg Close $158.15 Range $136.49 - $183.14

Q1 2019

Shares 25,400 Value ($000) $3,876 Avg Close $117.58 Range $74.86 - $154.31

Q4 2018

Shares 25,753 Value ($000) $2,236 Avg Close $95.84 Range $77.57 - $123.46

Q3 2018

Shares 4,433 Value ($000) $523 Avg Close $104.34 Range $78.45 - $123.96

Q2 2018

Shares 4,433 Value ($000) $381 Avg Close $90.46 Range $74.75 - $111.31

Q1 2018

Shares 12,392 Value ($000) $1,252 Avg Close $142.53 Range $93.92 - $198.16

Q4 2017

Shares 13,012 Value ($000) $2,242 Avg Close $151.14 Range $118.83 - $182.72

Q3 2017

Shares 15,248 Value ($000) $1,955 Avg Close $114.67 Range $101.50 - $137.74

Q2 2017

Shares 4,848 Value ($000) $528 Avg Close $99.76 Range $76.56 - $123.79

Q1 2017

Shares 4,848 Value ($000) $416 Avg Close $68.17 Range $53.18 - $85.23

Q4 2016

Shares 3,848 Value ($000) $218 Avg Close $52.08 Range $45.35 - $60.85

Q3 2016

Shares 5,248 Value ($000) $291 Avg Close $60.03 Range $47.95 - $70.46

Q2 2016

Shares 3,990 Value ($000) $270 Avg Close $58.21 Range $49.14 - $67.68

Q1 2016

Shares 3,990 Value ($000) $216 Avg Close $46.29 Range $38.30 - $52.96

Q4 2015

Shares 3,990 Value ($000) $217 Avg Close $41.75 Range $30.75 - $54.87

Q3 2015

Shares 3,990 Value ($000) $136 Avg Close $39.55 Range $31.36 - $50.38

Q2 2015

Shares 5,090 Value ($000) $266 Avg Close $47.77 Range $41.41 - $52.88

Q1 2015

Shares 4,490 Value ($000) $205 Avg Close $33.59 Range $24.26 - $45.35

Q4 2014

Shares 2,739 Value ($000) $75 Avg Close $26.98 Range $23.47 - $31.93

Q3 2014

Shares 3,022 Value ($000) $97 Avg Close $31.26 Range $27.23 - $37.62

Q2 2014

Shares 3,022 Value ($000) $92 Avg Close $26.43 Range $21.49 - $31.22

Q1 2014

Shares 16,022 Value ($000) $512 Avg Close $31.44 Range $28.52 - $34.01

Q4 2013

Shares 15,407 Value ($000) $531 Avg Close $31.56 Range $27.20 - $37.64

Q3 2013

Shares 15,407 Value ($000) $494 Avg Close $30.27 Range $25.40 - $36.09

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	28,213	$3	$129.25	$106.82 - $152.79
Q3 2025	27,306	$4	$144.44	$132.48 - $161.20
Q2 2025	27,300	$4	$138.68	$102.66 - $161.57
Q1 2025	28,006	$4	$147.55	$135.32 - $162.15
Q4 2024	31,282	$5	$175.37	$143.37 - $211.24
Q3 2024	31,312	$7	$199.13	$153.86 - $232.88
Q2 2024	28,819	$6	$172.49	$145.88 - $208.77
Q1 2024	26,468	$4	$170.29	$152.89 - $185.43
Q4 2023	37,415	$7	$161.47	$130.51 - $190.61
Q3 2023	37,767	$6	$148.04	$132.08 - $162.28
Q2 2023	34,948	$5	$139.33	$122.44 - $153.08
Q1 2023	37,957	$6	$130.36	$102.50 - $151.53
Q4 2022	38,593	$4	$101.46	$86.46 - $118.30
Q3 2022	31,518	$2,973	$106.77	$91.01 - $123.40
Q2 2022	27,248	$2,756	$123.72	$95.17 - $164.79
Q1 2022	24,038	$4,121	$149.02	$123.04 - $171.54
Q4 2021	22,178	$3,655	$158.09	$134.02 - $180.74
Q3 2021	22,229	$3,828	$198.32	$163.63 - $226.92
Q2 2021	21,349	$4,747	$209.57	$177.37 - $235.73
Q1 2021	16,632	$3,931	$220.81	$172.23 - $251.14
Q4 2020	18,012	$4,136	$204.14	$168.68 - $236.05
Q3 2020	20,332	$3,674	$163.00	$139.85 - $191.81
Q2 2020	21,144	$3,156	$139.94	$112.38 - $160.88
Q1 2020	22,101	$2,911	$163.84	$100.21 - $211.62
Q4 2019	20,498	$4,192	$179.87	$150.40 - $208.09
Q2 2019	25,019	$4,706	$158.15	$136.49 - $183.14
Q1 2019	25,400	$3,876	$117.58	$74.86 - $154.31
Q4 2018	25,753	$2,236	$95.84	$77.57 - $123.46
Q3 2018	4,433	$523	$104.34	$78.45 - $123.96
Q2 2018	4,433	$381	$90.46	$74.75 - $111.31
Q1 2018	12,392	$1,252	$142.53	$93.92 - $198.16
Q4 2017	13,012	$2,242	$151.14	$118.83 - $182.72
Q3 2017	15,248	$1,955	$114.67	$101.50 - $137.74
Q2 2017	4,848	$528	$99.76	$76.56 - $123.79
Q1 2017	4,848	$416	$68.17	$53.18 - $85.23
Q4 2016	3,848	$218	$52.08	$45.35 - $60.85
Q3 2016	5,248	$291	$60.03	$47.95 - $70.46
Q2 2016	3,990	$270	$58.21	$49.14 - $67.68
Q1 2016	3,990	$216	$46.29	$38.30 - $52.96
Q4 2015	3,990	$217	$41.75	$30.75 - $54.87
Q3 2015	3,990	$136	$39.55	$31.36 - $50.38
Q2 2015	5,090	$266	$47.77	$41.41 - $52.88
Q1 2015	4,490	$205	$33.59	$24.26 - $45.35
Q4 2014	2,739	$75	$26.98	$23.47 - $31.93
Q3 2014	3,022	$97	$31.26	$27.23 - $37.62
Q2 2014	3,022	$92	$26.43	$21.49 - $31.22
Q1 2014	16,022	$512	$31.44	$28.52 - $34.01
Q4 2013	15,407	$531	$31.56	$27.20 - $37.64
Q3 2013	15,407	$494	$30.27	$25.40 - $36.09