Telkonet, Inc.

Ticker: TKOI CUSIP: 879604106 Class: com

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

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

Q4 2025

Shares 1,055,500 Value ($000) $0 Avg Close $0.01 Range $0.00 - $0.02

Q3 2025

Shares 1,190,500 Value ($000) $0 Avg Close $0.00 Range $0.00 - $0.01

Q2 2025

Shares 1,190,500 Value ($000) $0 Avg Close $0.01 Range $0.00 - $0.01

Q1 2025

Shares 1,190,500 Value ($000) $0 Avg Close $0.00 Range $0.00 - $0.00

Q4 2024

Shares 1,190,500 Value ($000) $0 Avg Close $0.00 Range $0.00 - $0.01

Q3 2024

Shares 1,384,900 Value ($000) $0 Avg Close $0.01 Range $0.01 - $0.01

Q2 2024

Shares 1,384,900 Value ($000) $0 Avg Close $0.01 Range $0.00 - $0.01

Q1 2024

Shares 1,405,800 Value ($000) $0 Avg Close $0.01 Range $0.00 - $0.02

Q4 2023

Shares 1,405,800 Value ($000) $0 Avg Close $0.01 Range $0.00 - $0.01

Q3 2023

Shares 1,564,800 Value ($000) $0 Avg Close $0.02 Range $0.00 - $0.03

Q2 2023

Shares 1,564,800 Value ($000) $0 Avg Close $0.02 Range $0.01 - $0.02

Q1 2023

Shares 1,564,800 Value ($000) $0 Avg Close $0.03 Range $0.02 - $0.04

Q4 2022

Shares 1,564,800 Value ($000) $0 Avg Close $0.03 Range $0.03 - $0.07

Q3 2022

Shares 1,826,900 Value ($000) $47 Avg Close $0.03 Range $0.02 - $0.04

Q2 2022

Shares 1,826,900 Value ($000) $64 Avg Close $0.04 Range $0.03 - $0.05

Q1 2022

Shares 1,840,100 Value ($000) $73 Avg Close $0.03 Range $0.01 - $0.05

Q4 2021

Shares 1,860,100 Value ($000) $35 Avg Close $0.03 Range $0.01 - $0.03

Q3 2021

Shares 1,940,100 Value ($000) $61 Avg Close $0.04 Range $0.03 - $0.06

Q2 2021

Shares 1,940,100 Value ($000) $93 Avg Close $0.04 Range $0.03 - $0.07

Q1 2021

Shares 1,940,100 Value ($000) $87 Avg Close $0.05 Range $0.03 - $0.08

Q4 2020

Shares 1,940,000 Value ($000) $53 Avg Close $0.03 Range $0.02 - $0.05

Q3 2020

Shares 2,451,500 Value ($000) $52 Avg Close $0.03 Range $0.02 - $0.04

Q2 2020

Shares 2,478,500 Value ($000) $89 Avg Close $0.04 Range $0.02 - $0.06

Q1 2020

Shares 2,478,500 Value ($000) $142 Avg Close $0.06 Range $0.03 - $0.07

Q4 2019

Shares 2,478,500 Value ($000) $161 Avg Close $0.07 Range $0.05 - $0.10

Q3 2019

Shares 2,503,500 Value ($000) $241 Avg Close $0.12 Range $0.05 - $0.16

Q2 2019

Shares 2,553,500 Value ($000) $315 Avg Close $0.14 Range $0.10 - $0.16

Q1 2019

Shares 2,553,500 Value ($000) $289 Avg Close $0.12 Range $0.10 - $0.13

Q4 2018

Shares 2,553,500 Value ($000) $287 Avg Close $0.14 Range $0.08 - $0.17

Q3 2018

Shares 2,539,100 Value ($000) $432 Avg Close $0.16 Range $0.12 - $0.18

Q2 2018

Shares 2,230,618 Value ($000) $284 Avg Close $0.11 Range $0.09 - $0.14

Q1 2018

Shares 2,230,618 Value ($000) $243 Avg Close $0.12 Range $0.09 - $0.14

Q4 2017

Shares 2,230,618 Value ($000) $278 Avg Close $0.14 Range $0.10 - $0.16

Q3 2017

Shares 2,230,618 Value ($000) $334 Avg Close $0.17 Range $0.13 - $0.20

Q2 2017

Shares 2,230,618 Value ($000) $400 Avg Close $0.17 Range $0.13 - $0.19

Q1 2017

Shares 2,180,590 Value ($000) $360 Avg Close $0.15 Range $0.12 - $0.17

Q4 2016

Shares 2,085,618 Value ($000) $289 Avg Close $0.17 Range $0.12 - $0.20

Q3 2016

Shares 2,095,618 Value ($000) $419 Avg Close $0.21 Range $0.18 - $0.24

Q2 2016

Shares 2,095,618 Value ($000) $398 Avg Close $0.20 Range $0.17 - $0.23

Q1 2016

Shares 2,020,618 Value ($000) $404 Avg Close $0.19 Range $0.13 - $0.24

Q4 2015

Shares 2,040,618 Value ($000) $378 Avg Close $0.23 Range $0.17 - $0.28

Q3 2015

Shares 1,940,618 Value ($000) $462 Avg Close $0.22 Range $0.18 - $0.28

Q2 2015

Shares 1,920,618 Value ($000) $442 Avg Close $0.19 Range $0.16 - $0.25

Q1 2015

Shares 1,870,600 Value ($000) $421 Avg Close $0.19 Range $0.13 - $0.23

Q4 2014

Shares 1,850,600 Value ($000) $259 Avg Close $0.16 Range $0.12 - $0.18

Q3 2014

Shares 1,817,600 Value ($000) $291 Avg Close $0.17 Range $0.13 - $0.19

Q2 2014

Shares 1,817,600 Value ($000) $336 Avg Close $0.19 Range $0.17 - $0.24

Q1 2014

Shares 1,817,600 Value ($000) $391 Avg Close $0.25 Range $0.20 - $0.30

Q4 2013

Shares 1,708,600 Value ($000) $376 Avg Close $0.23 Range $0.15 - $0.28

Q3 2013

Shares 1,688,600 Value ($000) $422 Avg Close $0.27 Range $0.22 - $0.32

Q2 2013

Shares 2,705,100 Value ($000) $866 Avg Close $0.24 Range $0.17 - $0.33

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	1,055,500	$0	$0.01	$0.00 - $0.02
Q3 2025	1,190,500	$0	$0.00	$0.00 - $0.01
Q2 2025	1,190,500	$0	$0.01	$0.00 - $0.01
Q1 2025	1,190,500	$0	$0.00	$0.00 - $0.00
Q4 2024	1,190,500	$0	$0.00	$0.00 - $0.01
Q3 2024	1,384,900	$0	$0.01	$0.01 - $0.01
Q2 2024	1,384,900	$0	$0.01	$0.00 - $0.01
Q1 2024	1,405,800	$0	$0.01	$0.00 - $0.02
Q4 2023	1,405,800	$0	$0.01	$0.00 - $0.01
Q3 2023	1,564,800	$0	$0.02	$0.00 - $0.03
Q2 2023	1,564,800	$0	$0.02	$0.01 - $0.02
Q1 2023	1,564,800	$0	$0.03	$0.02 - $0.04
Q4 2022	1,564,800	$0	$0.03	$0.03 - $0.07
Q3 2022	1,826,900	$47	$0.03	$0.02 - $0.04
Q2 2022	1,826,900	$64	$0.04	$0.03 - $0.05
Q1 2022	1,840,100	$73	$0.03	$0.01 - $0.05
Q4 2021	1,860,100	$35	$0.03	$0.01 - $0.03
Q3 2021	1,940,100	$61	$0.04	$0.03 - $0.06
Q2 2021	1,940,100	$93	$0.04	$0.03 - $0.07
Q1 2021	1,940,100	$87	$0.05	$0.03 - $0.08
Q4 2020	1,940,000	$53	$0.03	$0.02 - $0.05
Q3 2020	2,451,500	$52	$0.03	$0.02 - $0.04
Q2 2020	2,478,500	$89	$0.04	$0.02 - $0.06
Q1 2020	2,478,500	$142	$0.06	$0.03 - $0.07
Q4 2019	2,478,500	$161	$0.07	$0.05 - $0.10
Q3 2019	2,503,500	$241	$0.12	$0.05 - $0.16
Q2 2019	2,553,500	$315	$0.14	$0.10 - $0.16
Q1 2019	2,553,500	$289	$0.12	$0.10 - $0.13
Q4 2018	2,553,500	$287	$0.14	$0.08 - $0.17
Q3 2018	2,539,100	$432	$0.16	$0.12 - $0.18
Q2 2018	2,230,618	$284	$0.11	$0.09 - $0.14
Q1 2018	2,230,618	$243	$0.12	$0.09 - $0.14
Q4 2017	2,230,618	$278	$0.14	$0.10 - $0.16
Q3 2017	2,230,618	$334	$0.17	$0.13 - $0.20
Q2 2017	2,230,618	$400	$0.17	$0.13 - $0.19
Q1 2017	2,180,590	$360	$0.15	$0.12 - $0.17
Q4 2016	2,085,618	$289	$0.17	$0.12 - $0.20
Q3 2016	2,095,618	$419	$0.21	$0.18 - $0.24
Q2 2016	2,095,618	$398	$0.20	$0.17 - $0.23
Q1 2016	2,020,618	$404	$0.19	$0.13 - $0.24
Q4 2015	2,040,618	$378	$0.23	$0.17 - $0.28
Q3 2015	1,940,618	$462	$0.22	$0.18 - $0.28
Q2 2015	1,920,618	$442	$0.19	$0.16 - $0.25
Q1 2015	1,870,600	$421	$0.19	$0.13 - $0.23
Q4 2014	1,850,600	$259	$0.16	$0.12 - $0.18
Q3 2014	1,817,600	$291	$0.17	$0.13 - $0.19
Q2 2014	1,817,600	$336	$0.19	$0.17 - $0.24
Q1 2014	1,817,600	$391	$0.25	$0.20 - $0.30
Q4 2013	1,708,600	$376	$0.23	$0.15 - $0.28
Q3 2013	1,688,600	$422	$0.27	$0.22 - $0.32
Q2 2013	2,705,100	$866	$0.24	$0.17 - $0.33