AT&T INC

Ticker: T CUSIP: 00206R102 Class: COM

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

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

Q4 2025

Shares 31,655 Value ($000) $1 Avg Close $25.29 Range $24.01 - $27.86

Q3 2025

Shares 31,655 Value ($000) $1 Avg Close $28.07 Range $25.57 - $29.47

Q2 2025

Shares 32,111 Value ($000) $1 Avg Close $26.96 Range $24.33 - $28.43

Q1 2025

Shares 32,111 Value ($000) $1 Avg Close $24.35 Range $20.72 - $27.68

Q4 2024

Shares 33,359 Value ($000) $1 Avg Close $21.51 Range $20.15 - $23.00

Q3 2024

Shares 33,359 Value ($000) $1 Avg Close $18.78 Range $17.14 - $21.11

Q2 2024

Shares 32,248 Value ($000) $1 Avg Close $16.16 Range $14.84 - $17.81

Q1 2024

Shares 32,519 Value ($000) $1 Avg Close $15.62 Range $14.79 - $16.63

Q4 2023

Shares 32,519 Value ($000) $1 Avg Close $14.21 Range $12.73 - $15.63

Q3 2023

Shares 33,019 Value ($000) $0 Avg Close $12.95 Range $11.88 - $14.10

Q2 2023

Shares 32,854 Value ($000) $1 Avg Close $14.79 Range $12.90 - $17.37

Q1 2023

Shares 32,854 Value ($000) $1 Avg Close $16.36 Range $15.45 - $18.45

Q4 2022

Shares 33,304 Value ($000) $1 Avg Close $15.11 Range $12.21 - $16.49

Q3 2022

Shares 33,704 Value ($000) $517 Avg Close $15.08 Range $12.73 - $17.52

Q2 2022

Shares 33,404 Value ($000) $700 Avg Close $16.30 Range $14.26 - $17.63

Q1 2022

Shares 31,704 Value ($000) $749 Avg Close $14.91 Range $13.81 - $16.76

Q4 2021

Shares 31,454 Value ($000) $774 Avg Close $14.67 Range $13.07 - $16.17

Q3 2021

Shares 31,454 Value ($000) $850 Avg Close $16.07 Range $15.56 - $16.58

Q2 2021

Shares 31,454 Value ($000) $905 Avg Close $16.99 Range $16.05 - $19.14

Q1 2021

Shares 29,454 Value ($000) $892 Avg Close $16.14 Range $15.40 - $17.05

Q4 2020

Shares 29,454 Value ($000) $847 Avg Close $15.38 Range $14.22 - $17.21

Q3 2020

Shares 28,114 Value ($000) $802 Avg Close $15.56 Range $14.62 - $16.21

Q2 2020

Shares 27,991 Value ($000) $846 Avg Close $15.50 Range $13.71 - $17.11

Q1 2020

Shares 27,991 Value ($000) $816 Avg Close $18.17 Range $13.12 - $19.69

Q4 2019

Shares 26,841 Value ($000) $1,049 Avg Close $18.86 Range $17.79 - $19.62

Q3 2019

Shares 26,841 Value ($000) $1,016 Avg Close $17.00 Range $15.30 - $18.81

Q2 2019

Shares 26,441 Value ($000) $886 Avg Close $15.08 Range $14.30 - $15.96

Q1 2019

Shares 26,441 Value ($000) $829 Avg Close $14.16 Range $12.90 - $14.74

Q4 2018

Shares 25,941 Value ($000) $740 Avg Close $14.02 Range $12.22 - $15.49

Q3 2018

Shares 25,741 Value ($000) $864 Avg Close $14.48 Range $13.47 - $15.32

Q2 2018

Shares 26,241 Value ($000) $843 Avg Close $14.53 Range $13.65 - $15.94

Q1 2018

Shares 25,991 Value ($000) $927 Avg Close $15.81 Range $14.80 - $16.89

Q4 2017

Shares 25,891 Value ($000) $1,007 Avg Close $15.25 Range $13.75 - $16.61

Q3 2017

Shares 26,191 Value ($000) $1,026 Avg Close $15.60 Range $14.58 - $16.48

Q2 2017

Shares 24,198 Value ($000) $913 Avg Close $15.92 Range $15.29 - $16.79

Q1 2017

Shares 24,598 Value ($000) $1,022 Avg Close $16.73 Range $16.17 - $17.16

Q4 2016

Shares 24,598 Value ($000) $1,046 Avg Close $15.46 Range $14.29 - $16.96

Q3 2016

Shares 22,748 Value ($000) $924 Avg Close $16.29 Range $15.41 - $16.94

Q2 2016

Shares 22,698 Value ($000) $981 Avg Close $15.11 Range $14.48 - $16.66

Q1 2016

Shares 22,621 Value ($000) $886 Avg Close $13.84 Range $12.60 - $15.00

Q4 2015

Shares 20,721 Value ($000) $713 Avg Close $12.43 Range $11.70 - $12.97

Q3 2015

Shares 20,721 Value ($000) $675 Avg Close $12.27 Range $11.26 - $12.85

Q2 2015

Shares 19,421 Value ($000) $690 Avg Close $12.21 Range $11.41 - $13.03

Q1 2015

Shares 17,946 Value ($000) $586 Avg Close $11.79 Range $11.37 - $12.30

Q4 2014

Shares 17,696 Value ($000) $594 Avg Close $11.81 Range $11.04 - $12.44

Q3 2014

Shares 16,871 Value ($000) $595 Avg Close $11.90 Range $11.56 - $12.68

Q2 2014

Shares 11,771 Value ($000) $416 Avg Close $11.78 Range $11.32 - $12.26

Q1 2014

Shares 11,471 Value ($000) $402 Avg Close $10.85 Range $10.37 - $11.60

Q4 2013

Shares 11,371 Value ($000) $400 Avg Close $11.17 Range $10.60 - $11.82

Q3 2013

Shares 11,021 Value ($000) $373 Avg Close $10.96 Range $10.47 - $11.46

Q2 2013

Shares 11,621 Value ($000) $411 Avg Close $11.40 Range $10.58 - $12.10

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	31,655	$1	$25.29	$24.01 - $27.86
Q3 2025	31,655	$1	$28.07	$25.57 - $29.47
Q2 2025	32,111	$1	$26.96	$24.33 - $28.43
Q1 2025	32,111	$1	$24.35	$20.72 - $27.68
Q4 2024	33,359	$1	$21.51	$20.15 - $23.00
Q3 2024	33,359	$1	$18.78	$17.14 - $21.11
Q2 2024	32,248	$1	$16.16	$14.84 - $17.81
Q1 2024	32,519	$1	$15.62	$14.79 - $16.63
Q4 2023	32,519	$1	$14.21	$12.73 - $15.63
Q3 2023	33,019	$0	$12.95	$11.88 - $14.10
Q2 2023	32,854	$1	$14.79	$12.90 - $17.37
Q1 2023	32,854	$1	$16.36	$15.45 - $18.45
Q4 2022	33,304	$1	$15.11	$12.21 - $16.49
Q3 2022	33,704	$517	$15.08	$12.73 - $17.52
Q2 2022	33,404	$700	$16.30	$14.26 - $17.63
Q1 2022	31,704	$749	$14.91	$13.81 - $16.76
Q4 2021	31,454	$774	$14.67	$13.07 - $16.17
Q3 2021	31,454	$850	$16.07	$15.56 - $16.58
Q2 2021	31,454	$905	$16.99	$16.05 - $19.14
Q1 2021	29,454	$892	$16.14	$15.40 - $17.05
Q4 2020	29,454	$847	$15.38	$14.22 - $17.21
Q3 2020	28,114	$802	$15.56	$14.62 - $16.21
Q2 2020	27,991	$846	$15.50	$13.71 - $17.11
Q1 2020	27,991	$816	$18.17	$13.12 - $19.69
Q4 2019	26,841	$1,049	$18.86	$17.79 - $19.62
Q3 2019	26,841	$1,016	$17.00	$15.30 - $18.81
Q2 2019	26,441	$886	$15.08	$14.30 - $15.96
Q1 2019	26,441	$829	$14.16	$12.90 - $14.74
Q4 2018	25,941	$740	$14.02	$12.22 - $15.49
Q3 2018	25,741	$864	$14.48	$13.47 - $15.32
Q2 2018	26,241	$843	$14.53	$13.65 - $15.94
Q1 2018	25,991	$927	$15.81	$14.80 - $16.89
Q4 2017	25,891	$1,007	$15.25	$13.75 - $16.61
Q3 2017	26,191	$1,026	$15.60	$14.58 - $16.48
Q2 2017	24,198	$913	$15.92	$15.29 - $16.79
Q1 2017	24,598	$1,022	$16.73	$16.17 - $17.16
Q4 2016	24,598	$1,046	$15.46	$14.29 - $16.96
Q3 2016	22,748	$924	$16.29	$15.41 - $16.94
Q2 2016	22,698	$981	$15.11	$14.48 - $16.66
Q1 2016	22,621	$886	$13.84	$12.60 - $15.00
Q4 2015	20,721	$713	$12.43	$11.70 - $12.97
Q3 2015	20,721	$675	$12.27	$11.26 - $12.85
Q2 2015	19,421	$690	$12.21	$11.41 - $13.03
Q1 2015	17,946	$586	$11.79	$11.37 - $12.30
Q4 2014	17,696	$594	$11.81	$11.04 - $12.44
Q3 2014	16,871	$595	$11.90	$11.56 - $12.68
Q2 2014	11,771	$416	$11.78	$11.32 - $12.26
Q1 2014	11,471	$402	$10.85	$10.37 - $11.60
Q4 2013	11,371	$400	$11.17	$10.60 - $11.82
Q3 2013	11,021	$373	$10.96	$10.47 - $11.46
Q2 2013	11,621	$411	$11.40	$10.58 - $12.10