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BlackRock Inc.
> KOSS
| Date | Name | Ticker | Shares | Change | Value | Change | Price |
| 06/30/2023 | KOSS CORP | KOSS | 63,196 | -427 | 233,826,000 | -60,112,000 | $3,700.01 |
| 03/31/2023 | KOSS CORP | KOSS | 63,623 | 2,359 | 293,938,000 | 293,549,000 | $4,620.00 |
| 09/30/2022 | KOSS CORP | KOSS | 61,264 | -756 | 389,000 | -42,000 | $6.35 |
| 06/30/2022 | KOSS CORP | KOSS | 62,020 | -174 | 431,000 | -139,000 | $6.95 |
| 03/31/2022 | KOSS CORP | KOSS | 62,194 | 592 | 570,000 | -88,000 | $9.16 |
| 12/31/2021 | KOSS CORP | KOSS | 61,602 | 5,766 | 658,000 | -255,000 | $10.68 |
| 09/30/2021 | KOSS CORP | KOSS | 55,836 | 309 | 913,000 | -376,000 | $16.35 |
| 06/30/2021 | KOSS CORP | KOSS | 55,527 | 55,526 | 1,289,000 | 1,288,978 | $23.21 |
| 03/31/2021 | KOSS CORP | KOSS | 1 | -8,842 | 22 | -29,978 | $22.49 |
| 12/31/2020 | KOSS CORP | KOSS | 8,843 | 0 | 30,000 | 11,000 | $3.39 |
| 09/30/2020 | KOSS CORP | KOSS | 8,843 | 0 | 19,000 | 7,000 | $2.15 |
| 06/30/2020 | KOSS CORP | KOSS | 8,843 | 0 | 12,000 | 4,000 | $1.36 |
| 03/31/2020 | KOSS CORP | KOSS | 8,843 | 0 | 8,000 | -6,000 | $0.90 |
| 12/31/2019 | KOSS CORP | KOSS | 8,843 | 0 | 14,000 | -4,000 | $1.58 |
| 09/30/2019 | KOSS CORP | KOSS | 8,843 | 0 | 18,000 | 17,982 | $2.04 |
| 06/30/2019 | KOSS CORP | KOSS | 8,843 | 0 | 18 | -17,982 | $0.00 |
| 03/31/2019 | KOSS CORP | KOSS | 8,843 | 0 | 18,000 | 1,000 | $2.04 |
| 12/31/2018 | KOSS CORP | KOSS | 8,843 | 0 | 17,000 | -8,000 | $1.92 |
| 09/30/2018 | KOSS CORP | KOSS | 8,843 | 0 | 25,000 | 4,000 | $2.83 |
| 06/30/2018 | KOSS CORP | KOSS | 8,843 | 0 | 21,000 | 5,000 | $2.37 |
| 03/31/2018 | KOSS CORP | KOSS | 8,843 | 0 | 16,000 | -11,000 | $1.81 |
| 12/31/2017 | KOSS CORP | KOSS | 8,843 | 0 | 27,000 | 14,000 | $3.05 |
| 09/30/2017 | KOSS CORP | KOSS | 8,843 | 0 | 13,000 | -3,000 | $1.47 |
| 06/30/2017 | KOSS CORP | KOSS | 8,843 | -530 | 16,000 | -4,000 | $1.81 |
| 03/31/2017 | KOSS CORP | KOSS | 9,373 | 9,373 | 20,000 | 20,000 | $2.13 |
| 06/29/2006 | KOSS CORP | KOSS | 0 | -200 | 0 | -4,000 | |
| 03/30/2006 | KOSS CORP | KOSS | 200 | 200 | 4,000 | 4,000 | $20.00 |
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