SEC CIK 1217521

KOSS JOHN C JR

Reported ownership across 1 company, sourced from SEC Form 4 filings and updated daily.

Current Positions

CompanyShares OwnedAs Of
KOSSview stock →196,0282025-06-12

Position History — KOSS

Reported shares owned immediately after each Form 4 transaction, over time.

0285,983571,966857,9492005-082021-022021-022021-022021-062021-082025-06

Recent Filings — KOSS

DateActivitySharesPriceOwned After
2025-06-12Option exercise (derivative)1,500$0.000
2025-06-12Open-market sale1,500$5.02196,028
2025-06-12Option exercise1,500$1.90197,528
2025-06-11Option exercise (derivative)23,500$0.001,500
2025-06-11Open-market sale23,500$5.65196,028
2025-06-11Option exercise23,500$1.90219,528
2025-06-10Option exercise (derivative)25,000$0.0025,000
2025-06-10Open-market sale25,000$5.80196,028
2025-06-10Option exercise25,000$1.90221,028
2024-12-12Option exercise (derivative)25,000$0.0050,000
2024-12-12Open-market sale25,000$7.39196,028
2024-12-12Option exercise25,000$1.90221,028
2024-05-20Option exercise (derivative)25,000$0.0025,000
2024-05-20Open-market sale25,000$5.25196,028
2024-05-20Option exercise25,000$2.17221,028
2022-03-23Z1,000,885$0.000
2021-08-31Option exercise (derivative)10,000$0.0075,000
2021-08-31Open-market sale10,000$18.38151,028
2021-08-31Option exercise10,000$1.90161,028
2021-08-30Option exercise (derivative)5,000$0.0085,000
2021-08-30Open-market sale5,000$18.26151,028
2021-08-30Option exercise5,000$1.90156,028
2021-08-27Option exercise (derivative)10,000$0.0090,000
2021-08-27Open-market sale10,000$18.06151,028
2021-08-27Option exercise10,000$1.90161,028
2021-08-24Option exercise (derivative)25,000$0.0050,000
2021-08-24Option exercise (derivative)25,000$0.0025,000
2021-08-24Option exercise (derivative)25,000$0.000
2021-08-24Open-market sale25,000$20.06151,028
2021-08-24Open-market sale13,737$18.27176,028
2021-08-24Open-market sale36,263$17.40189,765
2021-08-24Option exercise25,000$2.17226,028
2021-08-24Option exercise25,000$2.92201,028
2021-08-24Option exercise25,000$1.95176,028
2021-06-15Open-market sale5,000$24.22151,028
2021-06-14Open-market sale3,000$25.20156,028
2021-06-09Open-market sale5,000$27.00159,028
2021-06-08Open-market sale8,133$30.00164,028
2021-06-03Open-market sale5,000$35.36172,161
2021-06-03Open-market sale5,000$32.50177,161
2021-06-03Open-market sale5,000$30.00182,161
2021-06-03Open-market sale5,000$31.35187,161
2021-06-02Open-market sale5,000$28.00192,161
2021-06-01Open-market sale5,000$25.00197,161
2021-05-28Open-market sale10,000$23.50202,161
2021-03-11Gift5,000$0.00212,161
2021-03-10Open-market sale10,000$25.22236,161
2021-03-10Open-market sale10,000$27.95226,161
2021-03-10Open-market sale5,000$30.00221,161
2021-03-10Open-market sale4,000$36.72217,161
2021-02-26Gift10,000$0.00246,161
2021-02-25Open-market sale10,000$30.13256,161
2021-02-25Open-market sale10,000$23.51747,949
2021-02-25Open-market sale40,000$27.06707,949
2021-02-04Open-market sale5,000$24.00266,161
2021-02-03Open-market sale10,000$25.44271,161
2021-02-02Open-market sale35,000$23.56286,294
2021-02-02Open-market sale5,133$18.07281,161
2021-02-02Open-market sale30,000$19.84757,949
2021-02-01Option exercise (derivative)25,000$0.0075,000
2021-02-01Option exercise (derivative)50,000$0.0050,000
2021-02-01Option exercise (derivative)75,000$0.0025,000
2021-02-01Option exercise (derivative)100,000$0.000
2021-02-01Open-market sale20,000$35.01787,949
2021-02-01Open-market sale20,000$41.81807,949
2021-02-01Open-market sale5,000$44.00827,949
2021-02-01Open-market sale25,000$48.26832,949
2021-02-01Open-market sale17,779$49.470
2021-02-01Open-market sale10,000$55.1817,779
2021-02-01Open-market sale10,000$34.04321,294
2021-02-01Open-market sale25,000$35.06331,294
2021-02-01Open-market sale43,167$36.63356,294
2021-02-01Open-market sale16,000$38.26399,461
2021-02-01Open-market sale47,033$39.13415,461
2021-02-01Open-market sale35,283$41.11462,494
2021-02-01Open-market sale96,250$42.24497,777
2021-02-01Open-market sale12,267$45.62594,027
2021-02-01Option exercise25,000$2.17606,294
2021-02-01Option exercise50,000$2.92581,294
2021-02-01Option exercise75,000$1.95531,294
2021-02-01Option exercise100,000$2.42456,294
2020-07-22Grant / award (derivative)100,000$0.00100,000
2020-01-23J8,000$0.000
2020-01-13J24,000$0.008,000
2019-07-24Grant / award (derivative)100,000$2.17100,000
2018-07-25Grant / award (derivative)100,000$2.92100,000
2017-07-26Grant / award (derivative)100,000$1.95100,000
2016-07-27Grant / award (derivative)100,000$2.42100,000
2015-07-29Grant / award (derivative)100,000$0.00100,000
2014-07-23Grant / award (derivative)100,000$0.00100,000
2013-07-24Grant / award (derivative)100,000$0.00100,000
2012-12-20Gift857,949$0.00857,949
2012-07-25Grant / award (derivative)100,000$0.00100,000
2011-07-27Grant / award (derivative)100,000$0.00100,000
2010-07-14Grant / award (derivative)100,000$0.00100,000
2009-07-15Grant / award (derivative)100,000$0.00100,000
2008-05-08Grant / award (derivative)60,000$0.0060,000
2007-12-28Gift1,000$0.00178,147
2007-12-28Gift1,000$0.0016,000
2007-05-09Grant / award (derivative)40,000$0.0040,000
2006-12-21Gift1,000$0.00179,147
2006-12-21Gift2,000$0.00180,147
2006-12-21Gift1,000$0.0015,000
2006-12-21Gift1,000$0.0014,000
2006-12-12Open-market sale7,000$24.75178,147
2006-01-17Option exercise (derivative)40,000—0
2006-01-17Option exercise40,000$18.43185,147
2006-01-17Open-market sale25,867$28.50145,147
2005-08-11Gift1,000$0.0013,000

Source: SEC EDGAR Form 4 filings. For informational purposes only — not investment advice.