MERCK & CO INC

Ticker: MRK CUSIP: 58933Y105 Class: COM

OAK ASSOCIATES LTD /OH/'s Holding History (CIK: 0000836372)

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

Q4 2025

Shares 16,835 Value ($000) $1,772 Avg Close $93.24 Range $81.31 - $107.59

Q3 2025

Shares 17,168 Value ($000) $1 Avg Close $81.01 Range $75.27 - $86.24

Q2 2025

Shares 17,168 Value ($000) $1,359 Avg Close $77.39 Range $71.26 - $87.25

Q1 2025

Shares 17,168 Value ($000) $1,541 Avg Close $90.12 Range $78.10 - $99.24

Q4 2024

Shares 17,168 Value ($000) $1,708 Avg Close $98.70 Range $90.33 - $109.75

Q3 2024

Shares 17,168 Value ($000) $1,950 Avg Close $112.96 Range $105.16 - $123.40

Q2 2024

Shares 17,168 Value ($000) $2,125 Avg Close $121.72 Range $114.80 - $127.87

Q1 2024

Shares 17,168 Value ($000) $2,265 Avg Close $115.77 Range $102.41 - $125.66

Q4 2023

Shares 19,599 Value ($000) $2,137 Avg Close $96.81 Range $92.34 - $102.48

Q3 2023

Shares 15,058 Value ($000) $1,550 Avg Close $99.84 Range $95.67 - $106.04

Q2 2023

Shares 23,150 Value ($000) $2,671 Avg Close $104.47 Range $97.02 - $109.95

Q1 2023

Shares 23,165 Value ($000) $2,465 Avg Close $98.68 Range $92.86 - $105.40

Q4 2022

Shares 23,750 Value ($000) $2,635 Avg Close $92.80 Range $77.99 - $103.03

Q3 2022

Shares 23,750 Value ($000) $2,045 Avg Close $80.41 Range $76.51 - $85.75

Q2 2022

Shares 23,750 Value ($000) $2,165 Avg Close $79.21 Range $72.83 - $86.09

Q1 2022

Shares 23,765 Value ($000) $1,950 Avg Close $69.85 Range $64.44 - $74.38

Q4 2021

Shares 23,765 Value ($000) $1,821 Avg Close $69.89 Range $62.63 - $80.06

Q3 2021

Shares 23,765 Value ($000) $1,785 Avg Close $66.14 Range $62.09 - $68.78

Q2 2021

Shares 23,765 Value ($000) $1,848 Avg Close $64.14 Range $59.83 - $67.79

Q1 2021

Shares 23,765 Value ($000) $1,832 Avg Close $63.06 Range $58.39 - $69.69

Q4 2020

Shares 23,740 Value ($000) $1,942 Avg Close $64.85 Range $59.73 - $68.80

Q3 2020

Shares 23,740 Value ($000) $1,969 Avg Close $65.93 Range $60.98 - $70.41

Q2 2020

Shares 23,740 Value ($000) $1,836 Avg Close $62.87 Range $58.07 - $67.36

Q1 2020

Shares 25,270 Value ($000) $1,944 Avg Close $65.09 Range $51.91 - $72.71

Q4 2019

Shares 25,820 Value ($000) $2,348 Avg Close $67.55 Range $62.89 - $73.10

Q3 2019

Shares 25,820 Value ($000) $2,174 Avg Close $65.47 Range $61.22 - $68.01

Q2 2019

Shares 25,820 Value ($000) $2,165 Avg Close $62.14 Range $55.86 - $67.34

Q1 2019

Shares 24,245 Value ($000) $2,016 Avg Close $60.29 Range $55.35 - $64.55

Q3 2017

Shares 38,000 Value ($000) $2,433 Avg Close $46.68 Range $44.87 - $49.08

Q2 2017

Shares 40,400 Value ($000) $2,589 Avg Close $46.54 Range $45.06 - $48.72

Q1 2017

Shares 49,000 Value ($000) $3,113 Avg Close $46.06 Range $42.70 - $48.31

Q4 2016

Shares 51,300 Value ($000) $3,020 Avg Close $44.08 Range $41.83 - $46.98

Q3 2016

Shares 55,800 Value ($000) $3,277 Avg Close $43.73 Range $40.74 - $45.59

Q2 2016

Shares 55,800 Value ($000) $3,215 Avg Close $39.48 Range $37.06 - $41.09

Q1 2016

Shares 55,800 Value ($000) $2,952 Avg Close $36.03 Range $33.60 - $37.88

Q4 2015

Shares 55,100 Value ($000) $2,910 Avg Close $36.77 Range $33.58 - $38.73

Q3 2015

Shares 52,200 Value ($000) $2,578 Avg Close $38.40 Range $31.46 - $41.36

Q2 2015

Shares 52,200 Value ($000) $2,972 Avg Close $40.23 Range $38.42 - $42.17

Q1 2015

Shares 51,700 Value ($000) $2,972 Avg Close $40.30 Range $37.94 - $43.13

Q4 2014

Shares 51,700 Value ($000) $2,936 Avg Close $39.35 Range $35.32 - $41.85

Q3 2014

Shares 48,200 Value ($000) $2,857 Avg Close $39.37 Range $37.12 - $41.03

Q2 2014

Shares 48,200 Value ($000) $2,788 Avg Close $37.96 Range $36.06 - $39.67

Q1 2014

Shares 45,100 Value ($000) $2,560 Avg Close $35.76 Range $32.43 - $37.92

Q4 2013

Shares 43,000 Value ($000) $2,152 Avg Close $31.29 Range $29.09 - $32.94

Q2 2013

Shares 43,000 Value ($000) $1,997 Avg Close $30.02 Range $28.02 - $32.11

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	16,835	$1,772	$93.24	$81.31 - $107.59
Q3 2025	17,168	$1	$81.01	$75.27 - $86.24
Q2 2025	17,168	$1,359	$77.39	$71.26 - $87.25
Q1 2025	17,168	$1,541	$90.12	$78.10 - $99.24
Q4 2024	17,168	$1,708	$98.70	$90.33 - $109.75
Q3 2024	17,168	$1,950	$112.96	$105.16 - $123.40
Q2 2024	17,168	$2,125	$121.72	$114.80 - $127.87
Q1 2024	17,168	$2,265	$115.77	$102.41 - $125.66
Q4 2023	19,599	$2,137	$96.81	$92.34 - $102.48
Q3 2023	15,058	$1,550	$99.84	$95.67 - $106.04
Q2 2023	23,150	$2,671	$104.47	$97.02 - $109.95
Q1 2023	23,165	$2,465	$98.68	$92.86 - $105.40
Q4 2022	23,750	$2,635	$92.80	$77.99 - $103.03
Q3 2022	23,750	$2,045	$80.41	$76.51 - $85.75
Q2 2022	23,750	$2,165	$79.21	$72.83 - $86.09
Q1 2022	23,765	$1,950	$69.85	$64.44 - $74.38
Q4 2021	23,765	$1,821	$69.89	$62.63 - $80.06
Q3 2021	23,765	$1,785	$66.14	$62.09 - $68.78
Q2 2021	23,765	$1,848	$64.14	$59.83 - $67.79
Q1 2021	23,765	$1,832	$63.06	$58.39 - $69.69
Q4 2020	23,740	$1,942	$64.85	$59.73 - $68.80
Q3 2020	23,740	$1,969	$65.93	$60.98 - $70.41
Q2 2020	23,740	$1,836	$62.87	$58.07 - $67.36
Q1 2020	25,270	$1,944	$65.09	$51.91 - $72.71
Q4 2019	25,820	$2,348	$67.55	$62.89 - $73.10
Q3 2019	25,820	$2,174	$65.47	$61.22 - $68.01
Q2 2019	25,820	$2,165	$62.14	$55.86 - $67.34
Q1 2019	24,245	$2,016	$60.29	$55.35 - $64.55
Q3 2017	38,000	$2,433	$46.68	$44.87 - $49.08
Q2 2017	40,400	$2,589	$46.54	$45.06 - $48.72
Q1 2017	49,000	$3,113	$46.06	$42.70 - $48.31
Q4 2016	51,300	$3,020	$44.08	$41.83 - $46.98
Q3 2016	55,800	$3,277	$43.73	$40.74 - $45.59
Q2 2016	55,800	$3,215	$39.48	$37.06 - $41.09
Q1 2016	55,800	$2,952	$36.03	$33.60 - $37.88
Q4 2015	55,100	$2,910	$36.77	$33.58 - $38.73
Q3 2015	52,200	$2,578	$38.40	$31.46 - $41.36
Q2 2015	52,200	$2,972	$40.23	$38.42 - $42.17
Q1 2015	51,700	$2,972	$40.30	$37.94 - $43.13
Q4 2014	51,700	$2,936	$39.35	$35.32 - $41.85
Q3 2014	48,200	$2,857	$39.37	$37.12 - $41.03
Q2 2014	48,200	$2,788	$37.96	$36.06 - $39.67
Q1 2014	45,100	$2,560	$35.76	$32.43 - $37.92
Q4 2013	43,000	$2,152	$31.29	$29.09 - $32.94
Q2 2013	43,000	$1,997	$30.02	$28.02 - $32.11