MERCK & CO INC

Ticker: MRK CUSIP: 58933Y105 Class: COM

ROCKLAND TRUST CO's Holding History (CIK: 0000084616)

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

Q4 2025

Shares 577,430 Value ($000) $60,780 Avg Close $93.24 Range $81.31 - $107.59

Q3 2025

Shares 580,339 Value ($000) $48,708 Avg Close $81.01 Range $75.27 - $86.24

Q2 2025

Shares 550,278 Value ($000) $43,560 Avg Close $77.39 Range $71.26 - $87.25

Q1 2025

Shares 493,234 Value ($000) $44,273 Avg Close $90.12 Range $78.10 - $99.24

Q4 2024

Shares 417,011 Value ($000) $41,484 Avg Close $98.70 Range $90.33 - $109.75

Q3 2024

Shares 386,449 Value ($000) $43,885 Avg Close $112.96 Range $105.16 - $123.40

Q2 2024

Shares 401,366 Value ($000) $49,689 Avg Close $121.72 Range $114.80 - $127.87

Q1 2024

Shares 407,665 Value ($000) $53,791 Avg Close $115.77 Range $102.41 - $125.66

Q4 2023

Shares 408,479 Value ($000) $44,532 Avg Close $96.81 Range $92.34 - $102.48

Q3 2023

Shares 396,611 Value ($000) $40,831 Avg Close $99.84 Range $95.67 - $106.04

Q2 2023

Shares 372,803 Value ($000) $43,018 Avg Close $104.47 Range $97.02 - $109.95

Q1 2023

Shares 408,821 Value ($000) $43,494 Avg Close $98.68 Range $92.86 - $105.40

Q4 2022

Shares 410,449 Value ($000) $46 Avg Close $92.80 Range $77.99 - $103.03

Q3 2022

Shares 420,016 Value ($000) $36,171 Avg Close $80.41 Range $76.51 - $85.75

Q2 2022

Shares 415,802 Value ($000) $37,909 Avg Close $79.21 Range $72.83 - $86.09

Q1 2022

Shares 411,344 Value ($000) $33,750 Avg Close $69.85 Range $64.44 - $74.38

Q4 2021

Shares 377,306 Value ($000) $28,916 Avg Close $69.89 Range $62.63 - $80.06

Q3 2021

Shares 361,470 Value ($000) $27,150 Avg Close $66.14 Range $62.09 - $68.78

Q2 2021

Shares 285,097 Value ($000) $22,172 Avg Close $64.14 Range $59.83 - $67.79

Q1 2021

Shares 132,115 Value ($000) $10,185 Avg Close $63.06 Range $58.39 - $69.69

Q4 2020

Shares 118,630 Value ($000) $9,704 Avg Close $64.85 Range $59.73 - $68.80

Q3 2020

Shares 105,743 Value ($000) $8,772 Avg Close $65.93 Range $60.98 - $70.41

Q2 2020

Shares 107,098 Value ($000) $8,282 Avg Close $62.87 Range $58.07 - $67.36

Q1 2020

Shares 108,128 Value ($000) $8,320 Avg Close $65.09 Range $51.91 - $72.71

Q4 2019

Shares 104,244 Value ($000) $9,481 Avg Close $67.55 Range $62.89 - $73.10

Q3 2019

Shares 107,510 Value ($000) $8,896 Avg Close $65.47 Range $61.22 - $68.01

Q2 2019

Shares 73,535 Value ($000) $6,166 Avg Close $62.14 Range $55.86 - $67.34

Q1 2019

Shares 72,198 Value ($000) $6,004 Avg Close $60.29 Range $55.35 - $64.55

Q4 2018

Shares 62,625 Value ($000) $4,785 Avg Close $56.50 Range $50.42 - $61.17

Q3 2018

Shares 64,672 Value ($000) $4,588 Avg Close $50.65 Range $45.40 - $54.60

Q2 2018

Shares 65,057 Value ($000) $3,949 Avg Close $44.52 Range $39.72 - $47.34

Q1 2018

Shares 65,615 Value ($000) $3,574 Avg Close $42.25 Range $39.59 - $47.54

Q4 2017

Shares 63,275 Value ($000) $3,560 Avg Close $43.00 Range $39.63 - $47.96

Q3 2017

Shares 61,260 Value ($000) $3,922 Avg Close $46.68 Range $44.87 - $49.08

Q2 2017

Shares 58,815 Value ($000) $3,769 Avg Close $46.54 Range $45.06 - $48.72

Q1 2017

Shares 56,000 Value ($000) $3,558 Avg Close $46.06 Range $42.70 - $48.31

Q4 2016

Shares 55,824 Value ($000) $3,286 Avg Close $44.08 Range $41.83 - $46.98

Q3 2016

Shares 55,960 Value ($000) $3,492 Avg Close $43.73 Range $40.74 - $45.59

Q2 2016

Shares 56,221 Value ($000) $3,239 Avg Close $39.48 Range $37.06 - $41.09

Q1 2016

Shares 54,151 Value ($000) $2,865 Avg Close $36.03 Range $33.60 - $37.88

Q4 2015

Shares 49,771 Value ($000) $2,629 Avg Close $36.77 Range $33.58 - $38.73

Q3 2015

Shares 44,032 Value ($000) $2,175 Avg Close $38.40 Range $31.46 - $41.36

Q2 2015

Shares 42,524 Value ($000) $2,421 Avg Close $40.23 Range $38.42 - $42.17

Q1 2015

Shares 41,561 Value ($000) $2,389 Avg Close $40.30 Range $37.94 - $43.13

Q4 2014

Shares 39,967 Value ($000) $2,270 Avg Close $39.35 Range $35.32 - $41.85

Q3 2014

Shares 39,401 Value ($000) $2,336 Avg Close $39.37 Range $37.12 - $41.03

Q2 2014

Shares 34,092 Value ($000) $1,972 Avg Close $37.96 Range $36.06 - $39.67

Q1 2014

Shares 17,426 Value ($000) $989 Avg Close $35.76 Range $32.43 - $37.92

Q4 2013

Shares 17,442 Value ($000) $873 Avg Close $31.29 Range $29.09 - $32.94

Q3 2013

Shares 18,821 Value ($000) $896 Avg Close $30.97 Range $29.74 - $31.75

Q2 2013

Shares 18,599 Value ($000) $864 Avg Close $30.02 Range $28.02 - $32.11

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	577,430	$60,780	$93.24	$81.31 - $107.59
Q3 2025	580,339	$48,708	$81.01	$75.27 - $86.24
Q2 2025	550,278	$43,560	$77.39	$71.26 - $87.25
Q1 2025	493,234	$44,273	$90.12	$78.10 - $99.24
Q4 2024	417,011	$41,484	$98.70	$90.33 - $109.75
Q3 2024	386,449	$43,885	$112.96	$105.16 - $123.40
Q2 2024	401,366	$49,689	$121.72	$114.80 - $127.87
Q1 2024	407,665	$53,791	$115.77	$102.41 - $125.66
Q4 2023	408,479	$44,532	$96.81	$92.34 - $102.48
Q3 2023	396,611	$40,831	$99.84	$95.67 - $106.04
Q2 2023	372,803	$43,018	$104.47	$97.02 - $109.95
Q1 2023	408,821	$43,494	$98.68	$92.86 - $105.40
Q4 2022	410,449	$46	$92.80	$77.99 - $103.03
Q3 2022	420,016	$36,171	$80.41	$76.51 - $85.75
Q2 2022	415,802	$37,909	$79.21	$72.83 - $86.09
Q1 2022	411,344	$33,750	$69.85	$64.44 - $74.38
Q4 2021	377,306	$28,916	$69.89	$62.63 - $80.06
Q3 2021	361,470	$27,150	$66.14	$62.09 - $68.78
Q2 2021	285,097	$22,172	$64.14	$59.83 - $67.79
Q1 2021	132,115	$10,185	$63.06	$58.39 - $69.69
Q4 2020	118,630	$9,704	$64.85	$59.73 - $68.80
Q3 2020	105,743	$8,772	$65.93	$60.98 - $70.41
Q2 2020	107,098	$8,282	$62.87	$58.07 - $67.36
Q1 2020	108,128	$8,320	$65.09	$51.91 - $72.71
Q4 2019	104,244	$9,481	$67.55	$62.89 - $73.10
Q3 2019	107,510	$8,896	$65.47	$61.22 - $68.01
Q2 2019	73,535	$6,166	$62.14	$55.86 - $67.34
Q1 2019	72,198	$6,004	$60.29	$55.35 - $64.55
Q4 2018	62,625	$4,785	$56.50	$50.42 - $61.17
Q3 2018	64,672	$4,588	$50.65	$45.40 - $54.60
Q2 2018	65,057	$3,949	$44.52	$39.72 - $47.34
Q1 2018	65,615	$3,574	$42.25	$39.59 - $47.54
Q4 2017	63,275	$3,560	$43.00	$39.63 - $47.96
Q3 2017	61,260	$3,922	$46.68	$44.87 - $49.08
Q2 2017	58,815	$3,769	$46.54	$45.06 - $48.72
Q1 2017	56,000	$3,558	$46.06	$42.70 - $48.31
Q4 2016	55,824	$3,286	$44.08	$41.83 - $46.98
Q3 2016	55,960	$3,492	$43.73	$40.74 - $45.59
Q2 2016	56,221	$3,239	$39.48	$37.06 - $41.09
Q1 2016	54,151	$2,865	$36.03	$33.60 - $37.88
Q4 2015	49,771	$2,629	$36.77	$33.58 - $38.73
Q3 2015	44,032	$2,175	$38.40	$31.46 - $41.36
Q2 2015	42,524	$2,421	$40.23	$38.42 - $42.17
Q1 2015	41,561	$2,389	$40.30	$37.94 - $43.13
Q4 2014	39,967	$2,270	$39.35	$35.32 - $41.85
Q3 2014	39,401	$2,336	$39.37	$37.12 - $41.03
Q2 2014	34,092	$1,972	$37.96	$36.06 - $39.67
Q1 2014	17,426	$989	$35.76	$32.43 - $37.92
Q4 2013	17,442	$873	$31.29	$29.09 - $32.94
Q3 2013	18,821	$896	$30.97	$29.74 - $31.75
Q2 2013	18,599	$864	$30.02	$28.02 - $32.11