TEXAS INSTRS INC

Ticker: TXN CUSIP: 882508104 Class: COM

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

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

Q4 2025

Shares 10,190 Value ($000) $2 Avg Close $170.73 Range $152.73 - $184.76

Q3 2025

Shares 10,190 Value ($000) $2 Avg Close $193.30 Range $172.47 - $218.15

Q2 2025

Shares 10,450 Value ($000) $2 Avg Close $174.27 Range $136.55 - $205.05

Q1 2025

Shares 10,325 Value ($000) $2 Avg Close $182.23 Range $167.91 - $200.75

Q4 2024

Shares 10,325 Value ($000) $2 Avg Close $193.15 Range $177.58 - $213.46

Q3 2024

Shares 10,325 Value ($000) $2 Avg Close $192.96 Range $173.27 - $206.55

Q2 2024

Shares 10,270 Value ($000) $2 Avg Close $176.15 Range $151.02 - $196.94

Q1 2024

Shares 10,770 Value ($000) $2 Avg Close $157.89 Range $147.56 - $168.71

Q4 2023

Shares 10,770 Value ($000) $2 Avg Close $145.50 Range $130.77 - $162.27

Q3 2023

Shares 10,920 Value ($000) $2 Avg Close $158.88 Range $145.47 - $174.32

Q2 2023

Shares 10,820 Value ($000) $2 Avg Close $159.07 Range $148.14 - $171.21

Q1 2023

Shares 10,840 Value ($000) $2 Avg Close $161.35 Range $148.46 - $171.32

Q4 2022

Shares 11,240 Value ($000) $2 Avg Close $151.91 Range $132.23 - $167.17

Q3 2022

Shares 11,340 Value ($000) $1,755 Avg Close $151.63 Range $130.00 - $168.48

Q2 2022

Shares 11,290 Value ($000) $1,735 Avg Close $150.98 Range $134.18 - $165.25

Q1 2022

Shares 11,290 Value ($000) $2,071 Avg Close $157.28 Range $143.94 - $171.03

Q4 2021

Shares 11,710 Value ($000) $2,207 Avg Close $170.14 Range $161.99 - $178.50

Q3 2021

Shares 11,710 Value ($000) $2,251 Avg Close $167.96 Range $160.58 - $177.32

Q2 2021

Shares 11,810 Value ($000) $2,271 Avg Close $164.21 Range $153.59 - $172.45

Q1 2021

Shares 12,110 Value ($000) $2,289 Avg Close $151.36 Range $139.47 - $166.23

Q4 2020

Shares 12,110 Value ($000) $1,988 Avg Close $134.60 Range $121.31 - $145.09

Q3 2020

Shares 12,110 Value ($000) $1,729 Avg Close $116.84 Range $106.65 - $127.80

Q2 2020

Shares 12,310 Value ($000) $1,563 Avg Close $99.52 Range $81.55 - $116.07

Q1 2020

Shares 13,410 Value ($000) $1,340 Avg Close $101.63 Range $79.02 - $114.36

Q4 2019

Shares 13,510 Value ($000) $1,733 Avg Close $103.75 Range $96.57 - $110.58

Q3 2019

Shares 13,610 Value ($000) $1,759 Avg Close $102.86 Range $95.10 - $109.51

Q2 2019

Shares 13,660 Value ($000) $1,568 Avg Close $92.76 Range $84.46 - $98.56

Q1 2019

Shares 13,760 Value ($000) $1,460 Avg Close $85.38 Range $72.70 - $93.33

Q4 2018

Shares 13,860 Value ($000) $1,310 Avg Close $79.11 Range $71.44 - $89.28

Q3 2018

Shares 12,960 Value ($000) $1,390 Avg Close $90.24 Range $83.11 - $94.78

Q2 2018

Shares 12,850 Value ($000) $1,417 Avg Close $87.28 Range $78.25 - $95.77

Q1 2018

Shares 13,400 Value ($000) $1,392 Avg Close $86.84 Range $77.93 - $96.48

Q4 2017

Shares 13,400 Value ($000) $1,399 Avg Close $77.65 Range $70.91 - $84.16

Q3 2017

Shares 13,600 Value ($000) $1,219 Avg Close $65.19 Range $60.12 - $71.37

Q2 2017

Shares 13,600 Value ($000) $1,046 Avg Close $63.16 Range $59.91 - $66.80

Q1 2017

Shares 13,600 Value ($000) $1,096 Avg Close $60.64 Range $56.48 - $64.66

Q4 2016

Shares 13,950 Value ($000) $1,018 Avg Close $55.48 Range $51.88 - $58.64

Q3 2016

Shares 13,950 Value ($000) $979 Avg Close $52.67 Range $46.53 - $55.85

Q2 2016

Shares 14,950 Value ($000) $937 Avg Close $45.66 Range $43.24 - $48.72

Q1 2016

Shares 15,100 Value ($000) $867 Avg Close $40.51 Range $35.46 - $44.95

Q4 2015

Shares 17,450 Value ($000) $956 Avg Close $42.28 Range $35.53 - $44.99

Q3 2015

Shares 17,450 Value ($000) $864 Avg Close $36.73 Range $32.79 - $39.55

Q2 2015

Shares 17,350 Value ($000) $894 Avg Close $41.25 Range $38.42 - $43.82

Q1 2015

Shares 14,450 Value ($000) $826 Avg Close $41.73 Range $38.26 - $44.65

Q4 2014

Shares 14,550 Value ($000) $778 Avg Close $37.35 Range $30.46 - $41.42

Q3 2014

Shares 14,550 Value ($000) $694 Avg Close $35.14 Range $33.49 - $36.26

Q2 2014

Shares 14,750 Value ($000) $705 Avg Close $34.00 Range $32.30 - $36.09

Q1 2014

Shares 15,050 Value ($000) $710 Avg Close $31.94 Range $29.24 - $34.55

Q4 2013

Shares 15,050 Value ($000) $661 Avg Close $30.07 Range $27.82 - $31.75

Q3 2013

Shares 14,950 Value ($000) $602 Avg Close $27.71 Range $24.70 - $29.26

Q2 2013

Shares 66,050 Value ($000) $2,302 Avg Close $25.31 Range $23.63 - $26.51

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	10,190	$2	$170.73	$152.73 - $184.76
Q3 2025	10,190	$2	$193.30	$172.47 - $218.15
Q2 2025	10,450	$2	$174.27	$136.55 - $205.05
Q1 2025	10,325	$2	$182.23	$167.91 - $200.75
Q4 2024	10,325	$2	$193.15	$177.58 - $213.46
Q3 2024	10,325	$2	$192.96	$173.27 - $206.55
Q2 2024	10,270	$2	$176.15	$151.02 - $196.94
Q1 2024	10,770	$2	$157.89	$147.56 - $168.71
Q4 2023	10,770	$2	$145.50	$130.77 - $162.27
Q3 2023	10,920	$2	$158.88	$145.47 - $174.32
Q2 2023	10,820	$2	$159.07	$148.14 - $171.21
Q1 2023	10,840	$2	$161.35	$148.46 - $171.32
Q4 2022	11,240	$2	$151.91	$132.23 - $167.17
Q3 2022	11,340	$1,755	$151.63	$130.00 - $168.48
Q2 2022	11,290	$1,735	$150.98	$134.18 - $165.25
Q1 2022	11,290	$2,071	$157.28	$143.94 - $171.03
Q4 2021	11,710	$2,207	$170.14	$161.99 - $178.50
Q3 2021	11,710	$2,251	$167.96	$160.58 - $177.32
Q2 2021	11,810	$2,271	$164.21	$153.59 - $172.45
Q1 2021	12,110	$2,289	$151.36	$139.47 - $166.23
Q4 2020	12,110	$1,988	$134.60	$121.31 - $145.09
Q3 2020	12,110	$1,729	$116.84	$106.65 - $127.80
Q2 2020	12,310	$1,563	$99.52	$81.55 - $116.07
Q1 2020	13,410	$1,340	$101.63	$79.02 - $114.36
Q4 2019	13,510	$1,733	$103.75	$96.57 - $110.58
Q3 2019	13,610	$1,759	$102.86	$95.10 - $109.51
Q2 2019	13,660	$1,568	$92.76	$84.46 - $98.56
Q1 2019	13,760	$1,460	$85.38	$72.70 - $93.33
Q4 2018	13,860	$1,310	$79.11	$71.44 - $89.28
Q3 2018	12,960	$1,390	$90.24	$83.11 - $94.78
Q2 2018	12,850	$1,417	$87.28	$78.25 - $95.77
Q1 2018	13,400	$1,392	$86.84	$77.93 - $96.48
Q4 2017	13,400	$1,399	$77.65	$70.91 - $84.16
Q3 2017	13,600	$1,219	$65.19	$60.12 - $71.37
Q2 2017	13,600	$1,046	$63.16	$59.91 - $66.80
Q1 2017	13,600	$1,096	$60.64	$56.48 - $64.66
Q4 2016	13,950	$1,018	$55.48	$51.88 - $58.64
Q3 2016	13,950	$979	$52.67	$46.53 - $55.85
Q2 2016	14,950	$937	$45.66	$43.24 - $48.72
Q1 2016	15,100	$867	$40.51	$35.46 - $44.95
Q4 2015	17,450	$956	$42.28	$35.53 - $44.99
Q3 2015	17,450	$864	$36.73	$32.79 - $39.55
Q2 2015	17,350	$894	$41.25	$38.42 - $43.82
Q1 2015	14,450	$826	$41.73	$38.26 - $44.65
Q4 2014	14,550	$778	$37.35	$30.46 - $41.42
Q3 2014	14,550	$694	$35.14	$33.49 - $36.26
Q2 2014	14,750	$705	$34.00	$32.30 - $36.09
Q1 2014	15,050	$710	$31.94	$29.24 - $34.55
Q4 2013	15,050	$661	$30.07	$27.82 - $31.75
Q3 2013	14,950	$602	$27.71	$24.70 - $29.26
Q2 2013	66,050	$2,302	$25.31	$23.63 - $26.51