MERCK & CO INC

Ticker: MRK CUSIP: 58933Y105 Class: COM

APPLETON PARTNERS INC/MA's Holding History (CIK: 0001055290)

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

Q4 2025

Shares 7,296 Value ($000) $1 Avg Close $93.24 Range $81.31 - $107.59

Q3 2025

Shares 7,512 Value ($000) $1 Avg Close $81.01 Range $75.27 - $86.24

Q2 2025

Shares 7,869 Value ($000) $1 Avg Close $77.39 Range $71.26 - $87.25

Q1 2025

Shares 8,394 Value ($000) $1 Avg Close $90.12 Range $78.10 - $99.24

Q4 2024

Shares 106,825 Value ($000) $11 Avg Close $98.70 Range $90.33 - $109.75

Q3 2024

Shares 112,112 Value ($000) $13 Avg Close $112.96 Range $105.16 - $123.40

Q2 2024

Shares 104,864 Value ($000) $13 Avg Close $121.72 Range $114.80 - $127.87

Q1 2024

Shares 104,162 Value ($000) $14 Avg Close $115.77 Range $102.41 - $125.66

Q4 2023

Shares 104,714 Value ($000) $11 Avg Close $96.81 Range $92.34 - $102.48

Q3 2023

Shares 98,078 Value ($000) $10 Avg Close $99.84 Range $95.67 - $106.04

Q2 2023

Shares 86,925 Value ($000) $10 Avg Close $104.47 Range $97.02 - $109.95

Q1 2023

Shares 64,446 Value ($000) $7 Avg Close $98.68 Range $92.86 - $105.40

Q4 2022

Shares 55,656 Value ($000) $6 Avg Close $92.80 Range $77.99 - $103.03

Q3 2022

Shares 45,838 Value ($000) $3,948 Avg Close $80.41 Range $76.51 - $85.75

Q2 2022

Shares 37,716 Value ($000) $3,439 Avg Close $79.21 Range $72.83 - $86.09

Q1 2022

Shares 36,151 Value ($000) $2,966 Avg Close $69.85 Range $64.44 - $74.38

Q4 2021

Shares 41,351 Value ($000) $3,169 Avg Close $69.89 Range $62.63 - $80.06

Q3 2021

Shares 39,322 Value ($000) $2,953 Avg Close $66.14 Range $62.09 - $68.78

Q2 2021

Shares 40,030 Value ($000) $3,113 Avg Close $64.14 Range $59.83 - $67.79

Q1 2021

Shares 40,221 Value ($000) $3,101 Avg Close $63.06 Range $58.39 - $69.69

Q4 2020

Shares 41,476 Value ($000) $3,393 Avg Close $64.85 Range $59.73 - $68.80

Q3 2020

Shares 41,922 Value ($000) $3,477 Avg Close $65.93 Range $60.98 - $70.41

Q2 2020

Shares 42,470 Value ($000) $3,284 Avg Close $62.87 Range $58.07 - $67.36

Q1 2020

Shares 42,721 Value ($000) $3,287 Avg Close $65.09 Range $51.91 - $72.71

Q4 2019

Shares 43,069 Value ($000) $3,917 Avg Close $67.55 Range $62.89 - $73.10

Q3 2019

Shares 44,562 Value ($000) $3,751 Avg Close $65.47 Range $61.22 - $68.01

Q2 2019

Shares 44,442 Value ($000) $3,726 Avg Close $62.14 Range $55.86 - $67.34

Q1 2019

Shares 44,975 Value ($000) $3,741 Avg Close $60.29 Range $55.35 - $64.55

Q4 2018

Shares 43,084 Value ($000) $3,292 Avg Close $56.50 Range $50.42 - $61.17

Q3 2018

Shares 43,537 Value ($000) $3,089 Avg Close $50.65 Range $45.40 - $54.60

Q2 2018

Shares 41,482 Value ($000) $2,518 Avg Close $44.52 Range $39.72 - $47.34

Q1 2018

Shares 36,581 Value ($000) $1,993 Avg Close $42.25 Range $39.59 - $47.54

Q4 2017

Shares 31,458 Value ($000) $1,770 Avg Close $43.00 Range $39.63 - $47.96

Q3 2017

Shares 28,572 Value ($000) $1,829 Avg Close $46.68 Range $44.87 - $49.08

Q2 2017

Shares 26,811 Value ($000) $1,718 Avg Close $46.54 Range $45.06 - $48.72

Q1 2017

Shares 26,821 Value ($000) $1,704 Avg Close $46.06 Range $42.70 - $48.31

Q4 2016

Shares 28,955 Value ($000) $1,705 Avg Close $44.08 Range $41.83 - $46.98

Q3 2016

Shares 29,163 Value ($000) $1,820 Avg Close $43.73 Range $40.74 - $45.59

Q2 2016

Shares 31,414 Value ($000) $1,810 Avg Close $39.48 Range $37.06 - $41.09

Q1 2016

Shares 31,644 Value ($000) $1,674 Avg Close $36.03 Range $33.60 - $37.88

Q4 2015

Shares 31,654 Value ($000) $1,672 Avg Close $36.77 Range $33.58 - $38.73

Q3 2015

Shares 28,897 Value ($000) $1,427 Avg Close $38.40 Range $31.46 - $41.36

Q2 2015

Shares 21,581 Value ($000) $1,229 Avg Close $40.23 Range $38.42 - $42.17

Q1 2015

Shares 21,271 Value ($000) $1,223 Avg Close $40.30 Range $37.94 - $43.13

Q4 2014

Shares 22,551 Value ($000) $1,281 Avg Close $39.35 Range $35.32 - $41.85

Q3 2014

Shares 22,551 Value ($000) $1,337 Avg Close $39.37 Range $37.12 - $41.03

Q2 2014

Shares 20,350 Value ($000) $1,177 Avg Close $37.96 Range $36.06 - $39.67

Q1 2014

Shares 20,450 Value ($000) $1,161 Avg Close $35.76 Range $32.43 - $37.92

Q4 2013

Shares 18,125 Value ($000) $907 Avg Close $31.29 Range $29.09 - $32.94

Q3 2013

Shares 16,492 Value ($000) $785 Avg Close $30.97 Range $29.74 - $31.75

Q2 2013

Shares 15,693 Value ($000) $728,940 Avg Close $30.02 Range $28.02 - $32.11

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	7,296	$1	$93.24	$81.31 - $107.59
Q3 2025	7,512	$1	$81.01	$75.27 - $86.24
Q2 2025	7,869	$1	$77.39	$71.26 - $87.25
Q1 2025	8,394	$1	$90.12	$78.10 - $99.24
Q4 2024	106,825	$11	$98.70	$90.33 - $109.75
Q3 2024	112,112	$13	$112.96	$105.16 - $123.40
Q2 2024	104,864	$13	$121.72	$114.80 - $127.87
Q1 2024	104,162	$14	$115.77	$102.41 - $125.66
Q4 2023	104,714	$11	$96.81	$92.34 - $102.48
Q3 2023	98,078	$10	$99.84	$95.67 - $106.04
Q2 2023	86,925	$10	$104.47	$97.02 - $109.95
Q1 2023	64,446	$7	$98.68	$92.86 - $105.40
Q4 2022	55,656	$6	$92.80	$77.99 - $103.03
Q3 2022	45,838	$3,948	$80.41	$76.51 - $85.75
Q2 2022	37,716	$3,439	$79.21	$72.83 - $86.09
Q1 2022	36,151	$2,966	$69.85	$64.44 - $74.38
Q4 2021	41,351	$3,169	$69.89	$62.63 - $80.06
Q3 2021	39,322	$2,953	$66.14	$62.09 - $68.78
Q2 2021	40,030	$3,113	$64.14	$59.83 - $67.79
Q1 2021	40,221	$3,101	$63.06	$58.39 - $69.69
Q4 2020	41,476	$3,393	$64.85	$59.73 - $68.80
Q3 2020	41,922	$3,477	$65.93	$60.98 - $70.41
Q2 2020	42,470	$3,284	$62.87	$58.07 - $67.36
Q1 2020	42,721	$3,287	$65.09	$51.91 - $72.71
Q4 2019	43,069	$3,917	$67.55	$62.89 - $73.10
Q3 2019	44,562	$3,751	$65.47	$61.22 - $68.01
Q2 2019	44,442	$3,726	$62.14	$55.86 - $67.34
Q1 2019	44,975	$3,741	$60.29	$55.35 - $64.55
Q4 2018	43,084	$3,292	$56.50	$50.42 - $61.17
Q3 2018	43,537	$3,089	$50.65	$45.40 - $54.60
Q2 2018	41,482	$2,518	$44.52	$39.72 - $47.34
Q1 2018	36,581	$1,993	$42.25	$39.59 - $47.54
Q4 2017	31,458	$1,770	$43.00	$39.63 - $47.96
Q3 2017	28,572	$1,829	$46.68	$44.87 - $49.08
Q2 2017	26,811	$1,718	$46.54	$45.06 - $48.72
Q1 2017	26,821	$1,704	$46.06	$42.70 - $48.31
Q4 2016	28,955	$1,705	$44.08	$41.83 - $46.98
Q3 2016	29,163	$1,820	$43.73	$40.74 - $45.59
Q2 2016	31,414	$1,810	$39.48	$37.06 - $41.09
Q1 2016	31,644	$1,674	$36.03	$33.60 - $37.88
Q4 2015	31,654	$1,672	$36.77	$33.58 - $38.73
Q3 2015	28,897	$1,427	$38.40	$31.46 - $41.36
Q2 2015	21,581	$1,229	$40.23	$38.42 - $42.17
Q1 2015	21,271	$1,223	$40.30	$37.94 - $43.13
Q4 2014	22,551	$1,281	$39.35	$35.32 - $41.85
Q3 2014	22,551	$1,337	$39.37	$37.12 - $41.03
Q2 2014	20,350	$1,177	$37.96	$36.06 - $39.67
Q1 2014	20,450	$1,161	$35.76	$32.43 - $37.92
Q4 2013	18,125	$907	$31.29	$29.09 - $32.94
Q3 2013	16,492	$785	$30.97	$29.74 - $31.75
Q2 2013	15,693	$728,940	$30.02	$28.02 - $32.11