MASTERCARD INCORPORATED

Ticker: MA CUSIP: 57636Q104 Class: Common Stock

SeaBridge Investment Advisors LLC's Holding History (CIK: 0001304229)

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

Q4 2025

Shares 6,747 Value ($000) $3,852 Avg Close $558.95 Range $524.70 - $585.31

Q3 2025

Shares 6,854 Value ($000) $3,899 Avg Close $573.47 Range $545.13 - $600.98

Q2 2025

Shares 6,463 Value ($000) $3,632 Avg Close $551.47 Range $463.61 - $593.12

Q1 2025

Shares 6,199 Value ($000) $3,398 Avg Close $542.01 Range $497.80 - $579.76

Q4 2024

Shares 5,938 Value ($000) $3,127 Avg Close $514.68 Range $486.24 - $534.63

Q3 2024

Shares 5,635 Value ($000) $2,783 Avg Close $461.72 Range $425.84 - $498.27

Q2 2024

Shares 5,590 Value ($000) $2,466 Avg Close $451.62 Range $433.19 - $478.53

Q1 2024

Shares 5,603 Value ($000) $2,698 Avg Close $452.59 Range $412.22 - $485.16

Q4 2023

Shares 4,883 Value ($000) $2,083 Avg Close $397.11 Range $355.66 - $423.46

Q3 2023

Shares 4,882 Value ($000) $1,933 Avg Close $396.22 Range $381.45 - $413.22

Q2 2023

Shares 4,553 Value ($000) $1,791 Avg Close $369.85 Range $350.88 - $389.52

Q1 2023

Shares 4,261 Value ($000) $1,548 Avg Close $357.45 Range $334.82 - $383.83

Q4 2022

Shares 4,170 Value ($000) $1,450 Avg Close $323.40 Range $272.05 - $362.83

Q3 2022

Shares 4,414 Value ($000) $1,255 Avg Close $325.17 Range $276.34 - $355.07

Q2 2022

Shares 4,481 Value ($000) $1,414 Avg Close $337.29 Range $297.42 - $374.14

Q1 2022

Shares 3,993 Value ($000) $1,427 Avg Close $351.61 Range $298.93 - $391.17

Q4 2021

Shares 3,450 Value ($000) $1,240 Avg Close $337.80 Range $298.92 - $362.54

Q3 2021

Shares 3,519 Value ($000) $1,223 Avg Close $354.74 Range $327.44 - $385.64

Q2 2021

Shares 3,405 Value ($000) $1,243 Avg Close $362.28 Range $345.76 - $391.25

Q1 2021

Shares 3,195 Value ($000) $1,138 Avg Close $339.57 Range $304.04 - $379.11

Q4 2020

Shares 3,072 Value ($000) $1,097 Avg Close $323.35 Range $273.35 - $349.38

Q3 2020

Shares 3,069 Value ($000) $1,038 Avg Close $315.67 Range $280.27 - $356.58

Q2 2020

Shares 3,067 Value ($000) $907 Avg Close $273.34 Range $219.87 - $306.47

Q1 2020

Shares 3,222 Value ($000) $778 Avg Close $287.82 Range $193.62 - $336.19

Q4 2019

Shares 3,092 Value ($000) $923 Avg Close $272.58 Range $249.95 - $291.54

Q3 2019

Shares 3,237 Value ($000) $879 Avg Close $266.10 Range $245.19 - $283.62

Q2 2019

Shares 5,091 Value ($000) $1,347 Avg Close $241.35 Range $224.85 - $260.28

Q1 2019

Shares 5,098 Value ($000) $1,200 Avg Close $207.20 Range $174.02 - $228.35

Q4 2018

Shares 4,872 Value ($000) $919 Avg Close $190.92 Range $165.28 - $216.43

Q3 2018

Shares 6,894 Value ($000) $1,535 Avg Close $200.34 Range $186.80 - $215.48

Q2 2018

Shares 8,724 Value ($000) $1,714 Avg Close $180.31 Range $160.86 - $195.68

Q1 2018

Shares 11,700 Value ($000) $2,049 Avg Close $163.70 Range $144.52 - $175.98

Q4 2017

Shares 12,393 Value ($000) $1,876 Avg Close $142.19 Range $134.47 - $147.90

Q3 2017

Shares 12,393 Value ($000) $1,750 Avg Close $126.35 Range $115.06 - $137.11

Q2 2017

Shares 12,235 Value ($000) $1,486 Avg Close $113.06 Range $105.80 - $120.27

Q1 2017

Shares 14,570 Value ($000) $1,639 Avg Close $104.26 Range $98.83 - $107.97

Q4 2016

Shares 16,994 Value ($000) $1,755 Avg Close $98.27 Range $94.46 - $103.40

Q3 2016

Shares 17,354 Value ($000) $1,766 Avg Close $90.84 Range $82.10 - $96.94

Q2 2016

Shares 17,954 Value ($000) $1,581 Avg Close $90.26 Range $82.81 - $94.54

Q1 2016

Shares 17,954 Value ($000) $1,697 Avg Close $83.42 Range $74.09 - $90.24

Q4 2015

Shares 19,574 Value ($000) $1,906 Avg Close $92.19 Range $83.59 - $95.82

Q3 2015

Shares 18,604 Value ($000) $1,677 Avg Close $88.30 Range $70.14 - $93.23

Q2 2015

Shares 19,284 Value ($000) $1,803 Avg Close $86.11 Range $79.97 - $90.38

Q1 2015

Shares 18,844 Value ($000) $1,628 Avg Close $81.25 Range $74.77 - $87.12

Q4 2014

Shares 18,644 Value ($000) $1,606 Avg Close $76.31 Range $65.11 - $84.02

Q3 2014

Shares 16,510 Value ($000) $1,220 Avg Close $71.09 Range $68.75 - $73.96

Q2 2014

Shares 22,220 Value ($000) $1,633 Avg Close $69.24 Range $64.02 - $72.61

Q1 2014

Shares 22,740 Value ($000) $1,699 Avg Close $72.72 Range $66.78 - $78.88

Q4 2013

Shares 2,274 Value ($000) $1,900 Avg Close $69.03 Range $60.18 - $78.03

Q3 2013

Shares 2,344 Value ($000) $1,577 Avg Close $58.30 Range $52.66 - $64.55

Q2 2013

Shares 2,326 Value ($000) $1,336 Avg Close $51.54 Range $48.11 - $54.91

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	6,747	$3,852	$558.95	$524.70 - $585.31
Q3 2025	6,854	$3,899	$573.47	$545.13 - $600.98
Q2 2025	6,463	$3,632	$551.47	$463.61 - $593.12
Q1 2025	6,199	$3,398	$542.01	$497.80 - $579.76
Q4 2024	5,938	$3,127	$514.68	$486.24 - $534.63
Q3 2024	5,635	$2,783	$461.72	$425.84 - $498.27
Q2 2024	5,590	$2,466	$451.62	$433.19 - $478.53
Q1 2024	5,603	$2,698	$452.59	$412.22 - $485.16
Q4 2023	4,883	$2,083	$397.11	$355.66 - $423.46
Q3 2023	4,882	$1,933	$396.22	$381.45 - $413.22
Q2 2023	4,553	$1,791	$369.85	$350.88 - $389.52
Q1 2023	4,261	$1,548	$357.45	$334.82 - $383.83
Q4 2022	4,170	$1,450	$323.40	$272.05 - $362.83
Q3 2022	4,414	$1,255	$325.17	$276.34 - $355.07
Q2 2022	4,481	$1,414	$337.29	$297.42 - $374.14
Q1 2022	3,993	$1,427	$351.61	$298.93 - $391.17
Q4 2021	3,450	$1,240	$337.80	$298.92 - $362.54
Q3 2021	3,519	$1,223	$354.74	$327.44 - $385.64
Q2 2021	3,405	$1,243	$362.28	$345.76 - $391.25
Q1 2021	3,195	$1,138	$339.57	$304.04 - $379.11
Q4 2020	3,072	$1,097	$323.35	$273.35 - $349.38
Q3 2020	3,069	$1,038	$315.67	$280.27 - $356.58
Q2 2020	3,067	$907	$273.34	$219.87 - $306.47
Q1 2020	3,222	$778	$287.82	$193.62 - $336.19
Q4 2019	3,092	$923	$272.58	$249.95 - $291.54
Q3 2019	3,237	$879	$266.10	$245.19 - $283.62
Q2 2019	5,091	$1,347	$241.35	$224.85 - $260.28
Q1 2019	5,098	$1,200	$207.20	$174.02 - $228.35
Q4 2018	4,872	$919	$190.92	$165.28 - $216.43
Q3 2018	6,894	$1,535	$200.34	$186.80 - $215.48
Q2 2018	8,724	$1,714	$180.31	$160.86 - $195.68
Q1 2018	11,700	$2,049	$163.70	$144.52 - $175.98
Q4 2017	12,393	$1,876	$142.19	$134.47 - $147.90
Q3 2017	12,393	$1,750	$126.35	$115.06 - $137.11
Q2 2017	12,235	$1,486	$113.06	$105.80 - $120.27
Q1 2017	14,570	$1,639	$104.26	$98.83 - $107.97
Q4 2016	16,994	$1,755	$98.27	$94.46 - $103.40
Q3 2016	17,354	$1,766	$90.84	$82.10 - $96.94
Q2 2016	17,954	$1,581	$90.26	$82.81 - $94.54
Q1 2016	17,954	$1,697	$83.42	$74.09 - $90.24
Q4 2015	19,574	$1,906	$92.19	$83.59 - $95.82
Q3 2015	18,604	$1,677	$88.30	$70.14 - $93.23
Q2 2015	19,284	$1,803	$86.11	$79.97 - $90.38
Q1 2015	18,844	$1,628	$81.25	$74.77 - $87.12
Q4 2014	18,644	$1,606	$76.31	$65.11 - $84.02
Q3 2014	16,510	$1,220	$71.09	$68.75 - $73.96
Q2 2014	22,220	$1,633	$69.24	$64.02 - $72.61
Q1 2014	22,740	$1,699	$72.72	$66.78 - $78.88
Q4 2013	2,274	$1,900	$69.03	$60.18 - $78.03
Q3 2013	2,344	$1,577	$58.30	$52.66 - $64.55
Q2 2013	2,326	$1,336	$51.54	$48.11 - $54.91