Koss John C (CIK 0000901648)

Latest company ownership

Role: Director
Shares held
1,988,281
Last filed at
May 31, 2013
Confidence Score
50.0
2025Q4
Confidence Score History
2006Q4 2025Q4

Recent buy/sell transactions

Exec date Filing date Company Role Signal Confidence Shares % of shares Under plan? Amount (USD)
May 29, 2013 May 31, 2013 KOSS CORP Director Buy 61.3 +4,000 0.20% $20K
Dec 14, 2011 Dec 15, 2011 KOSS CORP Director Buy 56.3 +3,109 0.11% $16.2K
Dec 9, 2011 Dec 13, 2011 KOSS CORP Director Buy 56.3 +2,381 0.08% $12.3K
Dec 2, 2011 Dec 6, 2011 KOSS CORP Director Buy 56.3 +2,806 0.10% $14.4K
Nov 29, 2011 Dec 1, 2011 KOSS CORP Director Buy 61.3 +6,310 0.22% $32.2K
Nov 18, 2011 Nov 22, 2011 KOSS CORP Director Buy 47.5 +1,063 0.04% $5.4K
Nov 16, 2011 Nov 18, 2011 KOSS CORP Director Buy 47.5 +281 0.01% $1.4K
Nov 11, 2011 Nov 15, 2011 KOSS CORP Director Buy 47.5 +50 0.00% $255
Nov 7, 2011 Nov 9, 2011 KOSS CORP Director Buy 47.5 +1,000 0.04% $5.1K
Nov 1, 2011 Nov 3, 2011 KOSS CORP Director Buy 56.3 +2,000 0.07% $10.2K
Mar 16, 2011 Mar 16, 2011 KOSS CORP Director Buy 56.3 +4,000 0.14% $29K
Mar 1, 2011 Mar 3, 2011 KOSS CORP Director Buy 47.5 +1,100 0.04% $7.6K
Feb 22, 2011 Feb 24, 2011 KOSS CORP Director Buy 61.3 +5,900 0.21% $40.2K
Feb 17, 2011 Feb 18, 2011 KOSS CORP Director Buy 47.5 +1,000 0.04% $6.9K
Feb 16, 2011 Feb 16, 2011 KOSS CORP Director Buy 47.5 +1,000 0.04% $7K
Feb 9, 2011 Feb 11, 2011 KOSS CORP Director Buy 56.3 +5,000 0.18% $31.4K
Oct 26, 2006 Oct 27, 2006 KOSS CORP Chair Sell 20.0 -14,900 -1.05% $358.2K