MERCK & CO INC

Ticker: MRK CUSIP: 58933Y105 Class: COM

CHELSEA COUNSEL CO's Holding History (CIK: 0001276755)

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

Q4 2025

Shares 3,260 Value ($000) $346 Avg Close $93.24 Range $81.31 - $107.59

Q3 2025

Shares 3,510 Value ($000) $297 Avg Close $81.01 Range $75.27 - $86.24

Q2 2025

Shares 3,850 Value ($000) $308 Avg Close $77.39 Range $71.26 - $87.25

Q1 2025

Shares 19,420 Value ($000) $1,759 Avg Close $90.12 Range $78.10 - $99.24

Q4 2024

Shares 19,420 Value ($000) $1,950 Avg Close $98.70 Range $90.33 - $109.75

Q3 2024

Shares 22,675 Value ($000) $2,592 Avg Close $112.96 Range $105.16 - $123.40

Q2 2024

Shares 22,765 Value ($000) $2,836 Avg Close $121.72 Range $114.80 - $127.87

Q1 2024

Shares 22,821 Value ($000) $3,029 Avg Close $115.77 Range $102.41 - $125.66

Q4 2023

Shares 25,221 Value ($000) $2,769 Avg Close $96.81 Range $92.34 - $102.48

Q3 2023

Shares 29,221 Value ($000) $3,030 Avg Close $99.84 Range $95.67 - $106.04

Q2 2023

Shares 29,221 Value ($000) $3,393 Avg Close $104.47 Range $97.02 - $109.95

Q1 2023

Shares 29,221 Value ($000) $3,130 Avg Close $98.68 Range $92.86 - $105.40

Q4 2022

Shares 29,121 Value ($000) $3,252 Avg Close $92.80 Range $77.99 - $103.03

Q3 2022

Shares 28,621 Value ($000) $2,465 Avg Close $80.41 Range $76.51 - $85.75

Q2 2022

Shares 34,190 Value ($000) $3,118 Avg Close $79.21 Range $72.83 - $86.09

Q1 2022

Shares 34,230 Value ($000) $2,808 Avg Close $69.85 Range $64.44 - $74.38

Q4 2021

Shares 34,357 Value ($000) $2,633 Avg Close $69.89 Range $62.63 - $80.06

Q3 2021

Shares 34,357 Value ($000) $2,581 Avg Close $66.14 Range $62.09 - $68.78

Q2 2021

Shares 34,597 Value ($000) $2,691 Avg Close $64.14 Range $59.83 - $67.79

Q1 2021

Shares 34,597 Value ($000) $2,667 Avg Close $63.06 Range $58.39 - $69.69

Q4 2020

Shares 34,697 Value ($000) $2,838 Avg Close $64.85 Range $59.73 - $68.80

Q3 2020

Shares 35,410 Value ($000) $2,938 Avg Close $65.93 Range $60.98 - $70.41

Q2 2020

Shares 35,411 Value ($000) $2,739 Avg Close $62.87 Range $58.07 - $67.36

Q1 2020

Shares 33,672 Value ($000) $2,590 Avg Close $65.09 Range $51.91 - $72.71

Q4 2019

Shares 30,438 Value ($000) $2,768 Avg Close $67.55 Range $62.89 - $73.10

Q3 2019

Shares 29,123 Value ($000) $2,452 Avg Close $65.47 Range $61.22 - $68.01

Q2 2019

Shares 37,198 Value ($000) $3,119 Avg Close $62.14 Range $55.86 - $67.34

Q1 2019

Shares 36,370 Value ($000) $3,025 Avg Close $60.29 Range $55.35 - $64.55

Q4 2018

Shares 36,370 Value ($000) $2,779 Avg Close $56.50 Range $50.42 - $61.17

Q3 2018

Shares 36,370 Value ($000) $2,580 Avg Close $50.65 Range $45.40 - $54.60

Q2 2018

Shares 37,173 Value ($000) $2,256 Avg Close $44.52 Range $39.72 - $47.34

Q1 2018

Shares 12,873 Value ($000) $701 Avg Close $42.25 Range $39.59 - $47.54

Q4 2017

Shares 12,873 Value ($000) $724 Avg Close $43.00 Range $39.63 - $47.96

Q3 2017

Shares 12,873 Value ($000) $824 Avg Close $46.68 Range $44.87 - $49.08

Q2 2017

Shares 12,870 Value ($000) $825 Avg Close $46.54 Range $45.06 - $48.72

Q1 2017

Shares 12,862 Value ($000) $817 Avg Close $46.06 Range $42.70 - $48.31

Q4 2016

Shares 12,859 Value ($000) $757 Avg Close $44.08 Range $41.83 - $46.98

Q3 2016

Shares 12,733 Value ($000) $795 Avg Close $43.73 Range $40.74 - $45.59

Q2 2016

Shares 12,485 Value ($000) $719 Avg Close $39.48 Range $37.06 - $41.09

Q1 2016

Shares 12,485 Value ($000) $661 Avg Close $36.03 Range $33.60 - $37.88

Q4 2015

Shares 12,485 Value ($000) $659 Avg Close $36.77 Range $33.58 - $38.73

Q3 2015

Shares 111,017 Value ($000) $5,483 Avg Close $38.40 Range $31.46 - $41.36

Q2 2015

Shares 90,132 Value ($000) $5,131 Avg Close $40.23 Range $38.42 - $42.17

Q1 2015

Shares 91,322 Value ($000) $5,249 Avg Close $40.30 Range $37.94 - $43.13

Q4 2014

Shares 91,472 Value ($000) $5,195 Avg Close $39.35 Range $35.32 - $41.85

Q3 2014

Shares 91,472 Value ($000) $5,422 Avg Close $39.37 Range $37.12 - $41.03

Q2 2014

Shares 89,544 Value ($000) $5,180 Avg Close $37.96 Range $36.06 - $39.67

Q1 2014

Shares 88,744 Value ($000) $5,038 Avg Close $35.76 Range $32.43 - $37.92

Q4 2013

Shares 99,044 Value ($000) $4,957 Avg Close $31.29 Range $29.09 - $32.94

Q3 2013

Shares 99,044 Value ($000) $4,715 Avg Close $30.97 Range $29.74 - $31.75

Q2 2013

Shares 99,044 Value ($000) $4,601 Avg Close $30.02 Range $28.02 - $32.11

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	3,260	$346	$93.24	$81.31 - $107.59
Q3 2025	3,510	$297	$81.01	$75.27 - $86.24
Q2 2025	3,850	$308	$77.39	$71.26 - $87.25
Q1 2025	19,420	$1,759	$90.12	$78.10 - $99.24
Q4 2024	19,420	$1,950	$98.70	$90.33 - $109.75
Q3 2024	22,675	$2,592	$112.96	$105.16 - $123.40
Q2 2024	22,765	$2,836	$121.72	$114.80 - $127.87
Q1 2024	22,821	$3,029	$115.77	$102.41 - $125.66
Q4 2023	25,221	$2,769	$96.81	$92.34 - $102.48
Q3 2023	29,221	$3,030	$99.84	$95.67 - $106.04
Q2 2023	29,221	$3,393	$104.47	$97.02 - $109.95
Q1 2023	29,221	$3,130	$98.68	$92.86 - $105.40
Q4 2022	29,121	$3,252	$92.80	$77.99 - $103.03
Q3 2022	28,621	$2,465	$80.41	$76.51 - $85.75
Q2 2022	34,190	$3,118	$79.21	$72.83 - $86.09
Q1 2022	34,230	$2,808	$69.85	$64.44 - $74.38
Q4 2021	34,357	$2,633	$69.89	$62.63 - $80.06
Q3 2021	34,357	$2,581	$66.14	$62.09 - $68.78
Q2 2021	34,597	$2,691	$64.14	$59.83 - $67.79
Q1 2021	34,597	$2,667	$63.06	$58.39 - $69.69
Q4 2020	34,697	$2,838	$64.85	$59.73 - $68.80
Q3 2020	35,410	$2,938	$65.93	$60.98 - $70.41
Q2 2020	35,411	$2,739	$62.87	$58.07 - $67.36
Q1 2020	33,672	$2,590	$65.09	$51.91 - $72.71
Q4 2019	30,438	$2,768	$67.55	$62.89 - $73.10
Q3 2019	29,123	$2,452	$65.47	$61.22 - $68.01
Q2 2019	37,198	$3,119	$62.14	$55.86 - $67.34
Q1 2019	36,370	$3,025	$60.29	$55.35 - $64.55
Q4 2018	36,370	$2,779	$56.50	$50.42 - $61.17
Q3 2018	36,370	$2,580	$50.65	$45.40 - $54.60
Q2 2018	37,173	$2,256	$44.52	$39.72 - $47.34
Q1 2018	12,873	$701	$42.25	$39.59 - $47.54
Q4 2017	12,873	$724	$43.00	$39.63 - $47.96
Q3 2017	12,873	$824	$46.68	$44.87 - $49.08
Q2 2017	12,870	$825	$46.54	$45.06 - $48.72
Q1 2017	12,862	$817	$46.06	$42.70 - $48.31
Q4 2016	12,859	$757	$44.08	$41.83 - $46.98
Q3 2016	12,733	$795	$43.73	$40.74 - $45.59
Q2 2016	12,485	$719	$39.48	$37.06 - $41.09
Q1 2016	12,485	$661	$36.03	$33.60 - $37.88
Q4 2015	12,485	$659	$36.77	$33.58 - $38.73
Q3 2015	111,017	$5,483	$38.40	$31.46 - $41.36
Q2 2015	90,132	$5,131	$40.23	$38.42 - $42.17
Q1 2015	91,322	$5,249	$40.30	$37.94 - $43.13
Q4 2014	91,472	$5,195	$39.35	$35.32 - $41.85
Q3 2014	91,472	$5,422	$39.37	$37.12 - $41.03
Q2 2014	89,544	$5,180	$37.96	$36.06 - $39.67
Q1 2014	88,744	$5,038	$35.76	$32.43 - $37.92
Q4 2013	99,044	$4,957	$31.29	$29.09 - $32.94
Q3 2013	99,044	$4,715	$30.97	$29.74 - $31.75
Q2 2013	99,044	$4,601	$30.02	$28.02 - $32.11