MASTERCARD INCORPORATED

Ticker: MA CUSIP: 57636Q104 Class: Common Stock

Chesley Taft & Associates LLC's Holding History (CIK: 0001164632)

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

Q4 2025

Shares 52,426 Value ($000) $29,929 Avg Close $558.95 Range $524.70 - $585.31

Q3 2025

Shares 49,305 Value ($000) $28,045 Avg Close $573.47 Range $545.13 - $600.98

Q2 2025

Shares 51,616 Value ($000) $29,005 Avg Close $551.47 Range $463.61 - $593.12

Q1 2025

Shares 52,639 Value ($000) $28,852 Avg Close $542.01 Range $497.80 - $579.76

Q4 2024

Shares 53,454 Value ($000) $28,147 Avg Close $514.68 Range $486.24 - $534.63

Q3 2024

Shares 54,134 Value ($000) $26,731 Avg Close $461.72 Range $425.84 - $498.27

Q2 2024

Shares 54,611 Value ($000) $24,092 Avg Close $451.62 Range $433.19 - $478.53

Q1 2024

Shares 55,039 Value ($000) $26,505 Avg Close $452.59 Range $412.22 - $485.16

Q4 2023

Shares 58,505 Value ($000) $24,953 Avg Close $397.11 Range $355.66 - $423.46

Q3 2023

Shares 32,424 Value ($000) $12,837 Avg Close $396.22 Range $381.45 - $413.22

Q2 2023

Shares 32,469 Value ($000) $12,770 Avg Close $369.85 Range $350.88 - $389.52

Q1 2023

Shares 32,684 Value ($000) $11,878 Avg Close $357.45 Range $334.82 - $383.83

Q4 2022

Shares 32,918 Value ($000) $11,447 Avg Close $323.40 Range $272.05 - $362.83

Q3 2022

Shares 32,807 Value ($000) $9,328 Avg Close $325.17 Range $276.34 - $355.07

Q2 2022

Shares 32,627 Value ($000) $10,293 Avg Close $337.29 Range $297.42 - $374.14

Q1 2022

Shares 32,725 Value ($000) $11,316 Avg Close $351.61 Range $298.93 - $391.17

Q4 2021

Shares 32,400 Value ($000) $11,642 Avg Close $337.80 Range $298.92 - $362.54

Q3 2021

Shares 31,730 Value ($000) $11,032 Avg Close $354.74 Range $327.44 - $385.64

Q2 2021

Shares 31,650 Value ($000) $11,555 Avg Close $362.28 Range $345.76 - $391.25

Q1 2021

Shares 32,045 Value ($000) $11,803 Avg Close $339.57 Range $304.04 - $379.11

Q4 2020

Shares 33,674 Value ($000) $12,020 Avg Close $323.35 Range $273.35 - $349.38

Q3 2020

Shares 35,122 Value ($000) $11,877 Avg Close $315.67 Range $280.27 - $356.58

Q2 2020

Shares 35,727 Value ($000) $10,564 Avg Close $273.34 Range $219.87 - $306.47

Q1 2020

Shares 35,544 Value ($000) $8,586 Avg Close $287.82 Range $193.62 - $336.19

Q4 2019

Shares 60,640 Value ($000) $18,106 Avg Close $272.58 Range $249.95 - $291.54

Q3 2019

Shares 61,905 Value ($000) $16,812 Avg Close $266.10 Range $245.19 - $283.62

Q2 2019

Shares 64,225 Value ($000) $16,989 Avg Close $241.35 Range $224.85 - $260.28

Q1 2019

Shares 65,445 Value ($000) $15,409 Avg Close $207.20 Range $174.02 - $228.35

Q4 2018

Shares 66,060 Value ($000) $12,462 Avg Close $190.92 Range $165.28 - $216.43

Q3 2018

Shares 66,260 Value ($000) $14,750 Avg Close $200.34 Range $186.80 - $215.48

Q2 2018

Shares 65,160 Value ($000) $12,805 Avg Close $180.31 Range $160.86 - $195.68

Q1 2018

Shares 65,510 Value ($000) $11,475 Avg Close $163.70 Range $144.52 - $175.98

Q4 2017

Shares 65,960 Value ($000) $9,984 Avg Close $142.19 Range $134.47 - $147.90

Q3 2017

Shares 65,635 Value ($000) $9,268 Avg Close $126.35 Range $115.06 - $137.11

Q2 2017

Shares 65,635 Value ($000) $7,971 Avg Close $113.06 Range $105.80 - $120.27

Q1 2017

Shares 65,735 Value ($000) $7,393 Avg Close $104.26 Range $98.83 - $107.97

Q4 2016

Shares 65,735 Value ($000) $6,787 Avg Close $98.27 Range $94.46 - $103.40

Q3 2016

Shares 66,535 Value ($000) $6,771 Avg Close $90.84 Range $82.10 - $96.94

Q2 2016

Shares 63,535 Value ($000) $5,595 Avg Close $90.26 Range $82.81 - $94.54

Q1 2016

Shares 63,885 Value ($000) $6,037 Avg Close $83.42 Range $74.09 - $90.24

Q4 2015

Shares 63,435 Value ($000) $6,176 Avg Close $92.19 Range $83.59 - $95.82

Q3 2015

Shares 72,745 Value ($000) $6,556 Avg Close $88.30 Range $70.14 - $93.23

Q2 2015

Shares 72,345 Value ($000) $6,763 Avg Close $86.11 Range $79.97 - $90.38

Q1 2015

Shares 70,695 Value ($000) $6,107 Avg Close $81.25 Range $74.77 - $87.12

Q4 2014

Shares 70,670 Value ($000) $6,089 Avg Close $76.31 Range $65.11 - $84.02

Q3 2014

Shares 70,320 Value ($000) $5,198 Avg Close $71.09 Range $68.75 - $73.96

Q2 2014

Shares 69,250 Value ($000) $5,088 Avg Close $69.24 Range $64.02 - $72.61

Q1 2014

Shares 67,800 Value ($000) $5,065 Avg Close $72.72 Range $66.78 - $78.88

Q4 2013

Shares 3,360 Value ($000) $2,807 Avg Close $69.03 Range $60.18 - $78.03

Q3 2013

Shares 3,360 Value ($000) $2,261 Avg Close $58.30 Range $52.66 - $64.55

Q2 2013

Shares 2,860 Value ($000) $1,643 Avg Close $51.54 Range $48.11 - $54.91

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	52,426	$29,929	$558.95	$524.70 - $585.31
Q3 2025	49,305	$28,045	$573.47	$545.13 - $600.98
Q2 2025	51,616	$29,005	$551.47	$463.61 - $593.12
Q1 2025	52,639	$28,852	$542.01	$497.80 - $579.76
Q4 2024	53,454	$28,147	$514.68	$486.24 - $534.63
Q3 2024	54,134	$26,731	$461.72	$425.84 - $498.27
Q2 2024	54,611	$24,092	$451.62	$433.19 - $478.53
Q1 2024	55,039	$26,505	$452.59	$412.22 - $485.16
Q4 2023	58,505	$24,953	$397.11	$355.66 - $423.46
Q3 2023	32,424	$12,837	$396.22	$381.45 - $413.22
Q2 2023	32,469	$12,770	$369.85	$350.88 - $389.52
Q1 2023	32,684	$11,878	$357.45	$334.82 - $383.83
Q4 2022	32,918	$11,447	$323.40	$272.05 - $362.83
Q3 2022	32,807	$9,328	$325.17	$276.34 - $355.07
Q2 2022	32,627	$10,293	$337.29	$297.42 - $374.14
Q1 2022	32,725	$11,316	$351.61	$298.93 - $391.17
Q4 2021	32,400	$11,642	$337.80	$298.92 - $362.54
Q3 2021	31,730	$11,032	$354.74	$327.44 - $385.64
Q2 2021	31,650	$11,555	$362.28	$345.76 - $391.25
Q1 2021	32,045	$11,803	$339.57	$304.04 - $379.11
Q4 2020	33,674	$12,020	$323.35	$273.35 - $349.38
Q3 2020	35,122	$11,877	$315.67	$280.27 - $356.58
Q2 2020	35,727	$10,564	$273.34	$219.87 - $306.47
Q1 2020	35,544	$8,586	$287.82	$193.62 - $336.19
Q4 2019	60,640	$18,106	$272.58	$249.95 - $291.54
Q3 2019	61,905	$16,812	$266.10	$245.19 - $283.62
Q2 2019	64,225	$16,989	$241.35	$224.85 - $260.28
Q1 2019	65,445	$15,409	$207.20	$174.02 - $228.35
Q4 2018	66,060	$12,462	$190.92	$165.28 - $216.43
Q3 2018	66,260	$14,750	$200.34	$186.80 - $215.48
Q2 2018	65,160	$12,805	$180.31	$160.86 - $195.68
Q1 2018	65,510	$11,475	$163.70	$144.52 - $175.98
Q4 2017	65,960	$9,984	$142.19	$134.47 - $147.90
Q3 2017	65,635	$9,268	$126.35	$115.06 - $137.11
Q2 2017	65,635	$7,971	$113.06	$105.80 - $120.27
Q1 2017	65,735	$7,393	$104.26	$98.83 - $107.97
Q4 2016	65,735	$6,787	$98.27	$94.46 - $103.40
Q3 2016	66,535	$6,771	$90.84	$82.10 - $96.94
Q2 2016	63,535	$5,595	$90.26	$82.81 - $94.54
Q1 2016	63,885	$6,037	$83.42	$74.09 - $90.24
Q4 2015	63,435	$6,176	$92.19	$83.59 - $95.82
Q3 2015	72,745	$6,556	$88.30	$70.14 - $93.23
Q2 2015	72,345	$6,763	$86.11	$79.97 - $90.38
Q1 2015	70,695	$6,107	$81.25	$74.77 - $87.12
Q4 2014	70,670	$6,089	$76.31	$65.11 - $84.02
Q3 2014	70,320	$5,198	$71.09	$68.75 - $73.96
Q2 2014	69,250	$5,088	$69.24	$64.02 - $72.61
Q1 2014	67,800	$5,065	$72.72	$66.78 - $78.88
Q4 2013	3,360	$2,807	$69.03	$60.18 - $78.03
Q3 2013	3,360	$2,261	$58.30	$52.66 - $64.55
Q2 2013	2,860	$1,643	$51.54	$48.11 - $54.91