MERCK & CO INC

Ticker: MRK CUSIP: 58933Y105 Class: COM

CONTRAVISORY INVESTMENT MANAGEMENT, INC.'s Holding History (CIK: 0001365707)

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

Q4 2025

Shares 70,913 Value ($000) $7,464 Avg Close $93.24 Range $81.31 - $107.59

Q3 2025

Shares 363 Value ($000) $30 Avg Close $81.01 Range $75.27 - $86.24

Q2 2025

Shares 683 Value ($000) $54 Avg Close $77.39 Range $71.26 - $87.25

Q1 2025

Shares 1,083 Value ($000) $97 Avg Close $90.12 Range $78.10 - $99.24

Q4 2023

Shares 74,277 Value ($000) $8,098 Avg Close $96.81 Range $92.34 - $102.48

Q3 2023

Shares 74,934 Value ($000) $7,714 Avg Close $99.84 Range $95.67 - $106.04

Q2 2023

Shares 78,080 Value ($000) $9,010 Avg Close $104.47 Range $97.02 - $109.95

Q1 2023

Shares 77,558 Value ($000) $8,251 Avg Close $98.68 Range $92.86 - $105.40

Q4 2022

Shares 78,632 Value ($000) $8,724 Avg Close $92.80 Range $77.99 - $103.03

Q3 2022

Shares 74,121 Value ($000) $6,383 Avg Close $80.41 Range $76.51 - $85.75

Q2 2022

Shares 74,448 Value ($000) $6,787 Avg Close $79.21 Range $72.83 - $86.09

Q1 2022

Shares 260 Value ($000) $21 Avg Close $69.85 Range $64.44 - $74.38

Q1 2020

Shares 1,129 Value ($000) $87 Avg Close $65.09 Range $51.91 - $72.71

Q4 2019

Shares 1,129 Value ($000) $103 Avg Close $67.55 Range $62.89 - $73.10

Q3 2019

Shares 1,000 Value ($000) $84 Avg Close $65.47 Range $61.22 - $68.01

Q2 2019

Shares 858 Value ($000) $72 Avg Close $62.14 Range $55.86 - $67.34

Q1 2019

Shares 717 Value ($000) $60 Avg Close $60.29 Range $55.35 - $64.55

Q4 2018

Shares 653 Value ($000) $50 Avg Close $56.50 Range $50.42 - $61.17

Q3 2018

Shares 228 Value ($000) $16 Avg Close $50.65 Range $45.40 - $54.60

Q4 2017

Shares 8 Value ($000) $0 Avg Close $43.00 Range $39.63 - $47.96

Q3 2017

Shares 249 Value ($000) $16 Avg Close $46.68 Range $44.87 - $49.08

Q1 2017

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

Q4 2016

Shares 49 Value ($000) $3 Avg Close $44.08 Range $41.83 - $46.98

Q3 2016

Shares 49 Value ($000) $3 Avg Close $43.73 Range $40.74 - $45.59

Q3 2015

Shares 180,559 Value ($000) $8,918 Avg Close $38.40 Range $31.46 - $41.36

Q2 2015

Shares 181,351 Value ($000) $10,324 Avg Close $40.23 Range $38.42 - $42.17

Q1 2015

Shares 190,958 Value ($000) $10,976 Avg Close $40.30 Range $37.94 - $43.13

Q4 2014

Shares 189,193 Value ($000) $10,744 Avg Close $39.35 Range $35.32 - $41.85

Q3 2014

Shares 191,906 Value ($000) $11,376 Avg Close $39.37 Range $37.12 - $41.03

Q1 2014

Shares 350 Value ($000) $20 Avg Close $35.76 Range $32.43 - $37.92

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	70,913	$7,464	$93.24	$81.31 - $107.59
Q3 2025	363	$30	$81.01	$75.27 - $86.24
Q2 2025	683	$54	$77.39	$71.26 - $87.25
Q1 2025	1,083	$97	$90.12	$78.10 - $99.24
Q4 2023	74,277	$8,098	$96.81	$92.34 - $102.48
Q3 2023	74,934	$7,714	$99.84	$95.67 - $106.04
Q2 2023	78,080	$9,010	$104.47	$97.02 - $109.95
Q1 2023	77,558	$8,251	$98.68	$92.86 - $105.40
Q4 2022	78,632	$8,724	$92.80	$77.99 - $103.03
Q3 2022	74,121	$6,383	$80.41	$76.51 - $85.75
Q2 2022	74,448	$6,787	$79.21	$72.83 - $86.09
Q1 2022	260	$21	$69.85	$64.44 - $74.38
Q1 2020	1,129	$87	$65.09	$51.91 - $72.71
Q4 2019	1,129	$103	$67.55	$62.89 - $73.10
Q3 2019	1,000	$84	$65.47	$61.22 - $68.01
Q2 2019	858	$72	$62.14	$55.86 - $67.34
Q1 2019	717	$60	$60.29	$55.35 - $64.55
Q4 2018	653	$50	$56.50	$50.42 - $61.17
Q3 2018	228	$16	$50.65	$45.40 - $54.60
Q4 2017	8	$0	$43.00	$39.63 - $47.96
Q3 2017	249	$16	$46.68	$44.87 - $49.08
Q1 2017	49	$3	$46.06	$42.70 - $48.31
Q4 2016	49	$3	$44.08	$41.83 - $46.98
Q3 2016	49	$3	$43.73	$40.74 - $45.59
Q3 2015	180,559	$8,918	$38.40	$31.46 - $41.36
Q2 2015	181,351	$10,324	$40.23	$38.42 - $42.17
Q1 2015	190,958	$10,976	$40.30	$37.94 - $43.13
Q4 2014	189,193	$10,744	$39.35	$35.32 - $41.85
Q3 2014	191,906	$11,376	$39.37	$37.12 - $41.03
Q1 2014	350	$20	$35.76	$32.43 - $37.92