INTERNATIONAL BUSINESS MACHS

Ticker: IBM CUSIP: 459200101 Class: COM

MOUNT VERNON ASSOCIATES INC /MD/'s Holding History (CIK: 0000799003)

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

Q4 2025

Shares 5,655 Value ($000) $2 Avg Close $298.78 Range $262.11 - $324.90

Q3 2025

Shares 5,555 Value ($000) $2 Avg Close $259.55 Range $232.08 - $292.01

Q2 2025

Shares 5,555 Value ($000) $2 Avg Close $253.82 Range $210.49 - $292.56

Q1 2025

Shares 5,555 Value ($000) $1 Avg Close $239.40 Range $209.20 - $261.47

Q4 2024

Shares 5,505 Value ($000) $1 Avg Close $216.31 Range $196.83 - $233.32

Q3 2024

Shares 5,505 Value ($000) $1 Avg Close $188.97 Range $166.24 - $216.80

Q2 2024

Shares 5,505 Value ($000) $1 Avg Close $165.85 Range $154.39 - $183.50

Q1 2024

Shares 5,505 Value ($000) $1 Avg Close $172.56 Range $148.54 - $189.10

Q4 2023

Shares 5,505 Value ($000) $1 Avg Close $141.50 Range $126.39 - $156.49

Q3 2023

Shares 5,505 Value ($000) $1 Avg Close $131.75 Range $120.98 - $141.33

Q2 2023

Shares 5,430 Value ($000) $1 Avg Close $118.05 Range $110.47 - $128.27

Q1 2023

Shares 5,480 Value ($000) $1 Avg Close $120.73 Range $110.43 - $131.92

Q4 2022

Shares 5,655 Value ($000) $1 Avg Close $123.05 Range $102.35 - $137.32

Q3 2022

Shares 5,655 Value ($000) $672 Avg Close $115.64 Range $105.06 - $124.09

Q2 2022

Shares 5,655 Value ($000) $798 Avg Close $117.50 Range $107.95 - $126.60

Q1 2022

Shares 5,655 Value ($000) $735 Avg Close $112.10 Range $102.68 - $121.43

Q4 2021

Shares 5,805 Value ($000) $776 Avg Close $106.49 Range $97.83 - $117.62

Q3 2021

Shares 5,805 Value ($000) $806 Avg Close $112.12 Range $106.97 - $117.48

Q2 2021

Shares 5,805 Value ($000) $851 Avg Close $113.44 Range $102.70 - $121.73

Q1 2021

Shares 5,805 Value ($000) $774 Avg Close $98.07 Range $91.22 - $107.97

Q4 2020

Shares 5,805 Value ($000) $731 Avg Close $93.41 Range $81.15 - $103.82

Q3 2020

Shares 6,105 Value ($000) $743 Avg Close $93.86 Range $87.12 - $99.96

Q2 2020

Shares 6,505 Value ($000) $786 Avg Close $91.40 Range $78.00 - $102.76

Q1 2020

Shares 6,505 Value ($000) $722 Avg Close $98.28 Range $67.58 - $117.24

Q4 2019

Shares 6,205 Value ($000) $832 Avg Close $99.90 Range $95.55 - $107.55

Q3 2019

Shares 6,205 Value ($000) $902 Avg Close $102.47 Range $94.04 - $110.34

Q2 2019

Shares 6,405 Value ($000) $883 Avg Close $98.62 Range $91.51 - $103.66

Q1 2019

Shares 6,705 Value ($000) $946 Avg Close $94.64 Range $78.71 - $101.33

Q4 2018

Shares 6,605 Value ($000) $751 Avg Close $87.95 Range $74.66 - $107.42

Q3 2018

Shares 6,605 Value ($000) $999 Avg Close $101.25 Range $95.14 - $106.71

Q2 2018

Shares 6,855 Value ($000) $958 Avg Close $99.95 Range $94.63 - $110.30

Q1 2018

Shares 7,628 Value ($000) $1,170 Avg Close $107.30 Range $98.32 - $115.38

Q4 2017

Shares 7,628 Value ($000) $1,170 Avg Close $102.11 Range $96.94 - $108.49

Q3 2017

Shares 7,703 Value ($000) $1,118 Avg Close $96.87 Range $92.88 - $103.07

Q2 2017

Shares 7,928 Value ($000) $1,220 Avg Close $103.77 Range $98.95 - $115.36

Q1 2017

Shares 8,128 Value ($000) $1,415 Avg Close $114.39 Range $107.32 - $119.58

Q4 2016

Shares 8,228 Value ($000) $1,366 Avg Close $103.05 Range $95.06 - $110.31

Q3 2016

Shares 8,078 Value ($000) $1,283 Avg Close $101.76 Range $95.61 - $106.13

Q2 2016

Shares 8,078 Value ($000) $1,226 Avg Close $95.13 Range $90.08 - $99.15

Q1 2016

Shares 7,978 Value ($000) $1,208 Avg Close $84.07 Range $73.78 - $96.70

Q4 2015

Shares 7,928 Value ($000) $1,091 Avg Close $87.52 Range $82.31 - $94.87

Q3 2015

Shares 7,828 Value ($000) $1,135 Avg Close $95.35 Range $87.10 - $106.76

Q2 2015

Shares 7,778 Value ($000) $1,265 Avg Close $102.99 Range $96.57 - $107.49

Q1 2015

Shares 7,778 Value ($000) $1,248 Avg Close $96.47 Range $90.53 - $100.82

Q4 2014

Shares 7,278 Value ($000) $1,168 Avg Close $100.47 Range $91.12 - $114.79

Q3 2014

Shares 6,288 Value ($000) $1,194 Avg Close $114.33 Range $108.62 - $117.41

Q2 2014

Shares 6,338 Value ($000) $1,149 Avg Close $112.28 Range $107.17 - $118.40

Q1 2014

Shares 5,963 Value ($000) $1,148 Avg Close $109.22 Range $101.79 - $116.27

Q4 2013

Shares 6,093 Value ($000) $1,143 Avg Close $106.40 Range $101.46 - $111.01

Q3 2013

Shares 5,768 Value ($000) $1,068 Avg Close $111.55 Range $106.48 - $117.56

Q2 2013

Shares 17,508 Value ($000) $3,346 Avg Close $118.94 Range $109.29 - $125.13

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	5,655	$2	$298.78	$262.11 - $324.90
Q3 2025	5,555	$2	$259.55	$232.08 - $292.01
Q2 2025	5,555	$2	$253.82	$210.49 - $292.56
Q1 2025	5,555	$1	$239.40	$209.20 - $261.47
Q4 2024	5,505	$1	$216.31	$196.83 - $233.32
Q3 2024	5,505	$1	$188.97	$166.24 - $216.80
Q2 2024	5,505	$1	$165.85	$154.39 - $183.50
Q1 2024	5,505	$1	$172.56	$148.54 - $189.10
Q4 2023	5,505	$1	$141.50	$126.39 - $156.49
Q3 2023	5,505	$1	$131.75	$120.98 - $141.33
Q2 2023	5,430	$1	$118.05	$110.47 - $128.27
Q1 2023	5,480	$1	$120.73	$110.43 - $131.92
Q4 2022	5,655	$1	$123.05	$102.35 - $137.32
Q3 2022	5,655	$672	$115.64	$105.06 - $124.09
Q2 2022	5,655	$798	$117.50	$107.95 - $126.60
Q1 2022	5,655	$735	$112.10	$102.68 - $121.43
Q4 2021	5,805	$776	$106.49	$97.83 - $117.62
Q3 2021	5,805	$806	$112.12	$106.97 - $117.48
Q2 2021	5,805	$851	$113.44	$102.70 - $121.73
Q1 2021	5,805	$774	$98.07	$91.22 - $107.97
Q4 2020	5,805	$731	$93.41	$81.15 - $103.82
Q3 2020	6,105	$743	$93.86	$87.12 - $99.96
Q2 2020	6,505	$786	$91.40	$78.00 - $102.76
Q1 2020	6,505	$722	$98.28	$67.58 - $117.24
Q4 2019	6,205	$832	$99.90	$95.55 - $107.55
Q3 2019	6,205	$902	$102.47	$94.04 - $110.34
Q2 2019	6,405	$883	$98.62	$91.51 - $103.66
Q1 2019	6,705	$946	$94.64	$78.71 - $101.33
Q4 2018	6,605	$751	$87.95	$74.66 - $107.42
Q3 2018	6,605	$999	$101.25	$95.14 - $106.71
Q2 2018	6,855	$958	$99.95	$94.63 - $110.30
Q1 2018	7,628	$1,170	$107.30	$98.32 - $115.38
Q4 2017	7,628	$1,170	$102.11	$96.94 - $108.49
Q3 2017	7,703	$1,118	$96.87	$92.88 - $103.07
Q2 2017	7,928	$1,220	$103.77	$98.95 - $115.36
Q1 2017	8,128	$1,415	$114.39	$107.32 - $119.58
Q4 2016	8,228	$1,366	$103.05	$95.06 - $110.31
Q3 2016	8,078	$1,283	$101.76	$95.61 - $106.13
Q2 2016	8,078	$1,226	$95.13	$90.08 - $99.15
Q1 2016	7,978	$1,208	$84.07	$73.78 - $96.70
Q4 2015	7,928	$1,091	$87.52	$82.31 - $94.87
Q3 2015	7,828	$1,135	$95.35	$87.10 - $106.76
Q2 2015	7,778	$1,265	$102.99	$96.57 - $107.49
Q1 2015	7,778	$1,248	$96.47	$90.53 - $100.82
Q4 2014	7,278	$1,168	$100.47	$91.12 - $114.79
Q3 2014	6,288	$1,194	$114.33	$108.62 - $117.41
Q2 2014	6,338	$1,149	$112.28	$107.17 - $118.40
Q1 2014	5,963	$1,148	$109.22	$101.79 - $116.27
Q4 2013	6,093	$1,143	$106.40	$101.46 - $111.01
Q3 2013	5,768	$1,068	$111.55	$106.48 - $117.56
Q2 2013	17,508	$3,346	$118.94	$109.29 - $125.13