KOSS CORP

Ticker: KOSS CUSIP: 500692108 Class: COM

Tower Research Capital LLC (TRC)'s Holding History (CIK: 0001533421)

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

Q4 2025

Shares 783 Value ($000) $3 Avg Close $4.80 Range $4.12 - $5.70

Q3 2025

Shares 673 Value ($000) $3 Avg Close $5.66 Range $5.01 - $8.59

Q3 2024

Shares 1,892 Value ($000) $14 Avg Close $8.15 Range $4.31 - $18.73

Q2 2024

Shares 436 Value ($000) $2 Avg Close $3.65 Range $2.27 - $6.95

Q1 2024

Shares 2,481 Value ($000) $6 Avg Close $2.78 Range $2.45 - $3.50

Q4 2023

Shares 803 Value ($000) $3 Avg Close $3.04 Range $2.62 - $3.92

Q3 2023

Shares 584 Value ($000) $2 Avg Close $3.65 Range $2.82 - $4.66

Q2 2023

Shares 2,705 Value ($000) $10 Avg Close $4.04 Range $3.45 - $4.80

Q1 2023

Shares 773 Value ($000) $0 Avg Close $5.22 Range $4.34 - $6.75

Q4 2022

Shares 249 Value ($000) $0 Avg Close $6.15 Range $4.44 - $7.20

Q3 2022

Shares 418 Value ($000) $3 Avg Close $7.81 Range $5.92 - $12.86

Q4 2021

Shares 267 Value ($000) $3 Avg Close $14.85 Range $10.66 - $22.92

Q3 2021

Shares 1,504 Value ($000) $25 Avg Close $18.44 Range $15.82 - $23.44

Q2 2021

Shares 1,214 Value ($000) $28 Avg Close $21.45 Range $15.57 - $43.92

Q1 2021

Shares 42,172 Value ($000) $949 Avg Close $17.67 Range $2.82 - $127.45

Q1 2020

Shares 43 Value ($000) $0 Avg Close $1.30 Range $0.80 - $1.68

Q2 2019

Shares 659 Value ($000) $1 Avg Close $2.07 Range $1.93 - $2.33

Q4 2018

Shares 78 Value ($000) $0 Avg Close $2.31 Range $1.83 - $3.19

Q2 2017

Shares 1,704 Value ($000) $3 Avg Close $1.95 Range $1.59 - $2.29

Q3 2016

Shares 659 Value ($000) $1 Avg Close $2.07 Range $1.96 - $2.60

Q2 2016

Shares 891 Value ($000) $2 Avg Close $2.10 Range $1.93 - $2.45

Q1 2016

Shares 650 Value ($000) $1 Avg Close $2.02 Range $1.51 - $2.35

Q4 2015

Shares 331 Value ($000) $1 Avg Close $2.13 Range $1.91 - $2.96

Q3 2015

Shares 597 Value ($000) $1 Avg Close $2.42 Range $2.14 - $2.61

Q2 2015

Shares 782 Value ($000) $2 Avg Close $2.52 Range $2.21 - $3.50

Q1 2015

Shares 635 Value ($000) $1 Avg Close $2.17 Range $1.80 - $2.90

Q4 2014

Shares 2,529 Value ($000) $4 Avg Close $1.72 Range $1.26 - $2.15

Q2 2014

Shares 108 Value ($000) $0 Avg Close $4.11 Range $2.86 - $5.15

Q1 2014

Shares 178 Value ($000) $1 Avg Close $5.17 Range $4.32 - $6.51

Q4 2013

Shares 645 Value ($000) $3 Avg Close $4.91 Range $4.63 - $5.13

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	783	$3	$4.80	$4.12 - $5.70
Q3 2025	673	$3	$5.66	$5.01 - $8.59
Q3 2024	1,892	$14	$8.15	$4.31 - $18.73
Q2 2024	436	$2	$3.65	$2.27 - $6.95
Q1 2024	2,481	$6	$2.78	$2.45 - $3.50
Q4 2023	803	$3	$3.04	$2.62 - $3.92
Q3 2023	584	$2	$3.65	$2.82 - $4.66
Q2 2023	2,705	$10	$4.04	$3.45 - $4.80
Q1 2023	773	$0	$5.22	$4.34 - $6.75
Q4 2022	249	$0	$6.15	$4.44 - $7.20
Q3 2022	418	$3	$7.81	$5.92 - $12.86
Q4 2021	267	$3	$14.85	$10.66 - $22.92
Q3 2021	1,504	$25	$18.44	$15.82 - $23.44
Q2 2021	1,214	$28	$21.45	$15.57 - $43.92
Q1 2021	42,172	$949	$17.67	$2.82 - $127.45
Q1 2020	43	$0	$1.30	$0.80 - $1.68
Q2 2019	659	$1	$2.07	$1.93 - $2.33
Q4 2018	78	$0	$2.31	$1.83 - $3.19
Q2 2017	1,704	$3	$1.95	$1.59 - $2.29
Q3 2016	659	$1	$2.07	$1.96 - $2.60
Q2 2016	891	$2	$2.10	$1.93 - $2.45
Q1 2016	650	$1	$2.02	$1.51 - $2.35
Q4 2015	331	$1	$2.13	$1.91 - $2.96
Q3 2015	597	$1	$2.42	$2.14 - $2.61
Q2 2015	782	$2	$2.52	$2.21 - $3.50
Q1 2015	635	$1	$2.17	$1.80 - $2.90
Q4 2014	2,529	$4	$1.72	$1.26 - $2.15
Q2 2014	108	$0	$4.11	$2.86 - $5.15
Q1 2014	178	$1	$5.17	$4.32 - $6.51
Q4 2013	645	$3	$4.91	$4.63 - $5.13