MERCK & CO INC

Ticker: MRK CUSIP: 58933Y105 Class: COM

TEACHERS RETIREMENT SYSTEM OF THE STATE OF KENTUCKY's Holding History (CIK: 0000714142)

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

Q4 2025

Shares 271,888 Value ($000) $29 Avg Close $93.24 Range $81.31 - $107.59

Q3 2025

Shares 198,274 Value ($000) $17 Avg Close $81.01 Range $75.27 - $86.24

Q2 2025

Shares 198,274 Value ($000) $16 Avg Close $77.39 Range $71.26 - $87.25

Q1 2025

Shares 302,843 Value ($000) $27 Avg Close $90.12 Range $78.10 - $99.24

Q4 2024

Shares 448,903 Value ($000) $45 Avg Close $98.70 Range $90.33 - $109.75

Q3 2024

Shares 519,084 Value ($000) $59 Avg Close $112.96 Range $105.16 - $123.40

Q2 2024

Shares 506,144 Value ($000) $63 Avg Close $121.72 Range $114.80 - $127.87

Q1 2024

Shares 499,680 Value ($000) $66 Avg Close $115.77 Range $102.41 - $125.66

Q4 2023

Shares 534,805 Value ($000) $58 Avg Close $96.81 Range $92.34 - $102.48

Q3 2023

Shares 720,348 Value ($000) $74 Avg Close $99.84 Range $95.67 - $106.04

Q2 2023

Shares 727,148 Value ($000) $84 Avg Close $104.47 Range $97.02 - $109.95

Q1 2023

Shares 240,851 Value ($000) $26 Avg Close $98.68 Range $92.86 - $105.40

Q4 2022

Shares 240,851 Value ($000) $27 Avg Close $92.80 Range $77.99 - $103.03

Q3 2022

Shares 240,851 Value ($000) $20,743 Avg Close $80.41 Range $76.51 - $85.75

Q1 2022

Shares 178,934 Value ($000) $14,682 Avg Close $69.85 Range $64.44 - $74.38

Q4 2021

Shares 357,254 Value ($000) $27,380 Avg Close $69.89 Range $62.63 - $80.06

Q3 2021

Shares 364,348 Value ($000) $27,367 Avg Close $66.14 Range $62.09 - $68.78

Q2 2021

Shares 364,348 Value ($000) $28,335 Avg Close $64.14 Range $59.83 - $67.79

Q1 2021

Shares 364,348 Value ($000) $28,087 Avg Close $63.06 Range $58.39 - $69.69

Q4 2020

Shares 395,118 Value ($000) $32,320 Avg Close $64.85 Range $59.73 - $68.80

Q3 2020

Shares 345,108 Value ($000) $28,627 Avg Close $65.93 Range $60.98 - $70.41

Q2 2020

Shares 340,077 Value ($000) $26,298 Avg Close $62.87 Range $58.07 - $67.36

Q1 2020

Shares 366,527 Value ($000) $28,201 Avg Close $65.09 Range $51.91 - $72.71

Q4 2019

Shares 549,443 Value ($000) $49,972 Avg Close $67.55 Range $62.89 - $73.10

Q3 2019

Shares 548,993 Value ($000) $46,214 Avg Close $65.47 Range $61.22 - $68.01

Q2 2019

Shares 535,393 Value ($000) $44,893 Avg Close $62.14 Range $55.86 - $67.34

Q1 2019

Shares 553,493 Value ($000) $46,034 Avg Close $60.29 Range $55.35 - $64.55

Q4 2018

Shares 406,781 Value ($000) $31,082 Avg Close $56.50 Range $50.42 - $61.17

Q3 2018

Shares 382,649 Value ($000) $27,145 Avg Close $50.65 Range $45.40 - $54.60

Q2 2018

Shares 428,690 Value ($000) $26,022 Avg Close $44.52 Range $39.72 - $47.34

Q1 2018

Shares 428,690 Value ($000) $23,351 Avg Close $42.25 Range $39.59 - $47.54

Q4 2017

Shares 442,212 Value ($000) $24,883 Avg Close $43.00 Range $39.63 - $47.96

Q3 2017

Shares 449,212 Value ($000) $28,763 Avg Close $46.68 Range $44.87 - $49.08

Q2 2017

Shares 449,212 Value ($000) $28,790 Avg Close $46.54 Range $45.06 - $48.72

Q1 2017

Shares 460,962 Value ($000) $29,290 Avg Close $46.06 Range $42.70 - $48.31

Q4 2016

Shares 485,862 Value ($000) $28,603 Avg Close $44.08 Range $41.83 - $46.98

Q3 2016

Shares 594,867 Value ($000) $37,126 Avg Close $43.73 Range $40.74 - $45.59

Q2 2016

Shares 594,867 Value ($000) $34,271 Avg Close $39.48 Range $37.06 - $41.09

Q1 2016

Shares 611,667 Value ($000) $32,363 Avg Close $36.03 Range $33.60 - $37.88

Q4 2015

Shares 899,947 Value ($000) $47,535 Avg Close $36.77 Range $33.58 - $38.73

Q3 2015

Shares 911,157 Value ($000) $45,003 Avg Close $38.40 Range $31.46 - $41.36

Q2 2015

Shares 911,157 Value ($000) $51,872 Avg Close $40.23 Range $38.42 - $42.17

Q1 2015

Shares 938,857 Value ($000) $53,965 Avg Close $40.30 Range $37.94 - $43.13

Q4 2014

Shares 978,707 Value ($000) $55,581 Avg Close $39.35 Range $35.32 - $41.85

Q3 2014

Shares 979,907 Value ($000) $58,089 Avg Close $39.37 Range $37.12 - $41.03

Q2 2014

Shares 1,100,364 Value ($000) $63,657 Avg Close $37.96 Range $36.06 - $39.67

Q1 2014

Shares 1,146,814 Value ($000) $65,105 Avg Close $35.76 Range $32.43 - $37.92

Q4 2013

Shares 1,188,214 Value ($000) $59,470 Avg Close $31.29 Range $29.09 - $32.94

Q3 2013

Shares 1,268,914 Value ($000) $60,412 Avg Close $30.97 Range $29.74 - $31.75

Q2 2013

Shares 1,324,914 Value ($000) $61,542 Avg Close $30.02 Range $28.02 - $32.11

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	271,888	$29	$93.24	$81.31 - $107.59
Q3 2025	198,274	$17	$81.01	$75.27 - $86.24
Q2 2025	198,274	$16	$77.39	$71.26 - $87.25
Q1 2025	302,843	$27	$90.12	$78.10 - $99.24
Q4 2024	448,903	$45	$98.70	$90.33 - $109.75
Q3 2024	519,084	$59	$112.96	$105.16 - $123.40
Q2 2024	506,144	$63	$121.72	$114.80 - $127.87
Q1 2024	499,680	$66	$115.77	$102.41 - $125.66
Q4 2023	534,805	$58	$96.81	$92.34 - $102.48
Q3 2023	720,348	$74	$99.84	$95.67 - $106.04
Q2 2023	727,148	$84	$104.47	$97.02 - $109.95
Q1 2023	240,851	$26	$98.68	$92.86 - $105.40
Q4 2022	240,851	$27	$92.80	$77.99 - $103.03
Q3 2022	240,851	$20,743	$80.41	$76.51 - $85.75
Q1 2022	178,934	$14,682	$69.85	$64.44 - $74.38
Q4 2021	357,254	$27,380	$69.89	$62.63 - $80.06
Q3 2021	364,348	$27,367	$66.14	$62.09 - $68.78
Q2 2021	364,348	$28,335	$64.14	$59.83 - $67.79
Q1 2021	364,348	$28,087	$63.06	$58.39 - $69.69
Q4 2020	395,118	$32,320	$64.85	$59.73 - $68.80
Q3 2020	345,108	$28,627	$65.93	$60.98 - $70.41
Q2 2020	340,077	$26,298	$62.87	$58.07 - $67.36
Q1 2020	366,527	$28,201	$65.09	$51.91 - $72.71
Q4 2019	549,443	$49,972	$67.55	$62.89 - $73.10
Q3 2019	548,993	$46,214	$65.47	$61.22 - $68.01
Q2 2019	535,393	$44,893	$62.14	$55.86 - $67.34
Q1 2019	553,493	$46,034	$60.29	$55.35 - $64.55
Q4 2018	406,781	$31,082	$56.50	$50.42 - $61.17
Q3 2018	382,649	$27,145	$50.65	$45.40 - $54.60
Q2 2018	428,690	$26,022	$44.52	$39.72 - $47.34
Q1 2018	428,690	$23,351	$42.25	$39.59 - $47.54
Q4 2017	442,212	$24,883	$43.00	$39.63 - $47.96
Q3 2017	449,212	$28,763	$46.68	$44.87 - $49.08
Q2 2017	449,212	$28,790	$46.54	$45.06 - $48.72
Q1 2017	460,962	$29,290	$46.06	$42.70 - $48.31
Q4 2016	485,862	$28,603	$44.08	$41.83 - $46.98
Q3 2016	594,867	$37,126	$43.73	$40.74 - $45.59
Q2 2016	594,867	$34,271	$39.48	$37.06 - $41.09
Q1 2016	611,667	$32,363	$36.03	$33.60 - $37.88
Q4 2015	899,947	$47,535	$36.77	$33.58 - $38.73
Q3 2015	911,157	$45,003	$38.40	$31.46 - $41.36
Q2 2015	911,157	$51,872	$40.23	$38.42 - $42.17
Q1 2015	938,857	$53,965	$40.30	$37.94 - $43.13
Q4 2014	978,707	$55,581	$39.35	$35.32 - $41.85
Q3 2014	979,907	$58,089	$39.37	$37.12 - $41.03
Q2 2014	1,100,364	$63,657	$37.96	$36.06 - $39.67
Q1 2014	1,146,814	$65,105	$35.76	$32.43 - $37.92
Q4 2013	1,188,214	$59,470	$31.29	$29.09 - $32.94
Q3 2013	1,268,914	$60,412	$30.97	$29.74 - $31.75
Q2 2013	1,324,914	$61,542	$30.02	$28.02 - $32.11