MERCK & CO INC

Ticker: MRK CUSIP: 58933Y105 Class: COM

Hendershot Investments Inc.'s Holding History (CIK: 0001541496)

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

Q4 2025

Shares 13,870 Value ($000) $1,460 Avg Close $93.24 Range $81.31 - $107.59

Q3 2025

Shares 14,302 Value ($000) $1,200 Avg Close $81.01 Range $75.27 - $86.24

Q2 2025

Shares 14,302 Value ($000) $1,132 Avg Close $77.39 Range $71.26 - $87.25

Q1 2025

Shares 14,585 Value ($000) $1,309 Avg Close $90.12 Range $78.10 - $99.24

Q4 2024

Shares 15,471 Value ($000) $1,539 Avg Close $98.70 Range $90.33 - $109.75

Q3 2024

Shares 15,471 Value ($000) $1,757 Avg Close $112.96 Range $105.16 - $123.40

Q2 2024

Shares 14,457 Value ($000) $1,790 Avg Close $121.72 Range $114.80 - $127.87

Q1 2024

Shares 15,756 Value ($000) $2,079 Avg Close $115.77 Range $102.41 - $125.66

Q4 2023

Shares 15,675 Value ($000) $1,709 Avg Close $96.81 Range $92.34 - $102.48

Q3 2023

Shares 15,939 Value ($000) $1,641 Avg Close $99.84 Range $95.67 - $106.04

Q2 2023

Shares 16,099 Value ($000) $1,858 Avg Close $104.47 Range $97.02 - $109.95

Q1 2023

Shares 16,188 Value ($000) $1,722 Avg Close $98.68 Range $92.86 - $105.40

Q4 2022

Shares 16,984 Value ($000) $1,884 Avg Close $92.80 Range $77.99 - $103.03

Q3 2022

Shares 16,984 Value ($000) $1,463 Avg Close $80.41 Range $76.51 - $85.75

Q2 2022

Shares 16,984 Value ($000) $1,548 Avg Close $79.21 Range $72.83 - $86.09

Q1 2022

Shares 16,884 Value ($000) $1,385 Avg Close $69.85 Range $64.44 - $74.38

Q4 2021

Shares 16,884 Value ($000) $1,294 Avg Close $69.89 Range $62.63 - $80.06

Q3 2021

Shares 7,888 Value ($000) $592 Avg Close $66.14 Range $62.09 - $68.78

Q2 2021

Shares 7,888 Value ($000) $613 Avg Close $64.14 Range $59.83 - $67.79

Q1 2021

Shares 7,888 Value ($000) $608 Avg Close $63.06 Range $58.39 - $69.69

Q4 2020

Shares 7,848 Value ($000) $642 Avg Close $64.85 Range $59.73 - $68.80

Q3 2020

Shares 7,198 Value ($000) $597 Avg Close $65.93 Range $60.98 - $70.41

Q2 2020

Shares 6,717 Value ($000) $519 Avg Close $62.87 Range $58.07 - $67.36

Q1 2020

Shares 10,845 Value ($000) $834 Avg Close $65.09 Range $51.91 - $72.71

Q4 2019

Shares 10,652 Value ($000) $969 Avg Close $67.55 Range $62.89 - $73.10

Q3 2019

Shares 10,652 Value ($000) $897 Avg Close $65.47 Range $61.22 - $68.01

Q2 2019

Shares 10,733 Value ($000) $900 Avg Close $62.14 Range $55.86 - $67.34

Q1 2019

Shares 10,743 Value ($000) $893 Avg Close $60.29 Range $55.35 - $64.55

Q4 2018

Shares 10,961 Value ($000) $838 Avg Close $56.50 Range $50.42 - $61.17

Q3 2018

Shares 10,961 Value ($000) $778 Avg Close $50.65 Range $45.40 - $54.60

Q2 2018

Shares 10,478 Value ($000) $636 Avg Close $44.52 Range $39.72 - $47.34

Q1 2018

Shares 10,478 Value ($000) $571 Avg Close $42.25 Range $39.59 - $47.54

Q4 2017

Shares 10,478 Value ($000) $590 Avg Close $43.00 Range $39.63 - $47.96

Q3 2017

Shares 9,478 Value ($000) $607 Avg Close $46.68 Range $44.87 - $49.08

Q2 2017

Shares 8,578 Value ($000) $550 Avg Close $46.54 Range $45.06 - $48.72

Q1 2017

Shares 8,578 Value ($000) $545 Avg Close $46.06 Range $42.70 - $48.31

Q4 2016

Shares 8,678 Value ($000) $511 Avg Close $44.08 Range $41.83 - $46.98

Q3 2016

Shares 8,678 Value ($000) $542 Avg Close $43.73 Range $40.74 - $45.59

Q2 2016

Shares 8,678 Value ($000) $500 Avg Close $39.48 Range $37.06 - $41.09

Q1 2016

Shares 8,768 Value ($000) $464 Avg Close $36.03 Range $33.60 - $37.88

Q4 2015

Shares 8,903 Value ($000) $470 Avg Close $36.77 Range $33.58 - $38.73

Q3 2015

Shares 8,903 Value ($000) $440 Avg Close $38.40 Range $31.46 - $41.36

Q2 2015

Shares 8,903 Value ($000) $507 Avg Close $40.23 Range $38.42 - $42.17

Q1 2015

Shares 9,117 Value ($000) $524 Avg Close $40.30 Range $37.94 - $43.13

Q4 2014

Shares 9,117 Value ($000) $518 Avg Close $39.35 Range $35.32 - $41.85

Q3 2014

Shares 9,116 Value ($000) $540 Avg Close $39.37 Range $37.12 - $41.03

Q2 2014

Shares 9,250 Value ($000) $535 Avg Close $37.96 Range $36.06 - $39.67

Q1 2014

Shares 9,249 Value ($000) $525 Avg Close $35.76 Range $32.43 - $37.92

Q4 2013

Shares 9,248 Value ($000) $463 Avg Close $31.29 Range $29.09 - $32.94

Q3 2013

Shares 9,247 Value ($000) $440 Avg Close $30.97 Range $29.74 - $31.75

Q2 2013

Shares 9,246 Value ($000) $430 Avg Close $30.02 Range $28.02 - $32.11

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	13,870	$1,460	$93.24	$81.31 - $107.59
Q3 2025	14,302	$1,200	$81.01	$75.27 - $86.24
Q2 2025	14,302	$1,132	$77.39	$71.26 - $87.25
Q1 2025	14,585	$1,309	$90.12	$78.10 - $99.24
Q4 2024	15,471	$1,539	$98.70	$90.33 - $109.75
Q3 2024	15,471	$1,757	$112.96	$105.16 - $123.40
Q2 2024	14,457	$1,790	$121.72	$114.80 - $127.87
Q1 2024	15,756	$2,079	$115.77	$102.41 - $125.66
Q4 2023	15,675	$1,709	$96.81	$92.34 - $102.48
Q3 2023	15,939	$1,641	$99.84	$95.67 - $106.04
Q2 2023	16,099	$1,858	$104.47	$97.02 - $109.95
Q1 2023	16,188	$1,722	$98.68	$92.86 - $105.40
Q4 2022	16,984	$1,884	$92.80	$77.99 - $103.03
Q3 2022	16,984	$1,463	$80.41	$76.51 - $85.75
Q2 2022	16,984	$1,548	$79.21	$72.83 - $86.09
Q1 2022	16,884	$1,385	$69.85	$64.44 - $74.38
Q4 2021	16,884	$1,294	$69.89	$62.63 - $80.06
Q3 2021	7,888	$592	$66.14	$62.09 - $68.78
Q2 2021	7,888	$613	$64.14	$59.83 - $67.79
Q1 2021	7,888	$608	$63.06	$58.39 - $69.69
Q4 2020	7,848	$642	$64.85	$59.73 - $68.80
Q3 2020	7,198	$597	$65.93	$60.98 - $70.41
Q2 2020	6,717	$519	$62.87	$58.07 - $67.36
Q1 2020	10,845	$834	$65.09	$51.91 - $72.71
Q4 2019	10,652	$969	$67.55	$62.89 - $73.10
Q3 2019	10,652	$897	$65.47	$61.22 - $68.01
Q2 2019	10,733	$900	$62.14	$55.86 - $67.34
Q1 2019	10,743	$893	$60.29	$55.35 - $64.55
Q4 2018	10,961	$838	$56.50	$50.42 - $61.17
Q3 2018	10,961	$778	$50.65	$45.40 - $54.60
Q2 2018	10,478	$636	$44.52	$39.72 - $47.34
Q1 2018	10,478	$571	$42.25	$39.59 - $47.54
Q4 2017	10,478	$590	$43.00	$39.63 - $47.96
Q3 2017	9,478	$607	$46.68	$44.87 - $49.08
Q2 2017	8,578	$550	$46.54	$45.06 - $48.72
Q1 2017	8,578	$545	$46.06	$42.70 - $48.31
Q4 2016	8,678	$511	$44.08	$41.83 - $46.98
Q3 2016	8,678	$542	$43.73	$40.74 - $45.59
Q2 2016	8,678	$500	$39.48	$37.06 - $41.09
Q1 2016	8,768	$464	$36.03	$33.60 - $37.88
Q4 2015	8,903	$470	$36.77	$33.58 - $38.73
Q3 2015	8,903	$440	$38.40	$31.46 - $41.36
Q2 2015	8,903	$507	$40.23	$38.42 - $42.17
Q1 2015	9,117	$524	$40.30	$37.94 - $43.13
Q4 2014	9,117	$518	$39.35	$35.32 - $41.85
Q3 2014	9,116	$540	$39.37	$37.12 - $41.03
Q2 2014	9,250	$535	$37.96	$36.06 - $39.67
Q1 2014	9,249	$525	$35.76	$32.43 - $37.92
Q4 2013	9,248	$463	$31.29	$29.09 - $32.94
Q3 2013	9,247	$440	$30.97	$29.74 - $31.75
Q2 2013	9,246	$430	$30.02	$28.02 - $32.11