Theodore Nixon

Insider

First SEC filing: May 10, 2018 · Latest: May 10, 2018

On this page

Insider at Companies where this person is a reporting insider.
Insider transactions Every share this person bought or sold, from Form 4 filings.
Derivatives Options and other derivative holdings reported by this person.
Initial holdings The stakes this person held when they first started reporting.

Insider at

KOSS selling May 28, 2021

Insider transactions

0 buys (P) 0 sells (S) Net: $0 + 4 non-open-market transactions below last 12 months, based on the transactions shown below

Price change vs current quote, split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted

4 other filings hidden

Date	Ticker	Code	Shares	Price	Value	Owned after	Δ own	A/D	vs now
May 28, 2021	KOSS	M	10,000	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-21)
May 28, 2021	KOSS	S	10,000	$23.58	$235,800	0 Direct	-100.00%	Disposed	-85.4% (price as of 2026-08-21)
May 28, 2021	KOSS	M	10,000	$1.92	$19,200	10,000 Direct	—	Acquired	79.2% (price as of 2026-08-21)
Feb. 1, 2021	KOSS	S	30,000	$43.78	$1,313,400	0 Direct	-100.00%	Disposed	-92.1% (price as of 2026-08-21)
May 9, 2018	KOSS	A	10,000	$1.92	$19,200	10,000 Direct	—	Acquired	79.2% (price as of 2026-08-21)
Nov. 17, 2015	KOSS	P	700	$2.53	$1,771	30,000 Direct	+2.39%	Acquired	36.0% (price as of 2026-08-21)
Nov. 17, 2015	KOSS	P	2,405	$2.50	$6,012	29,300 Direct	+8.94%	Acquired	37.6% (price as of 2026-08-21)
Nov. 17, 2015	KOSS	P	200	$2.49	$498	26,895 Direct	+0.75%	Acquired	38.2% (price as of 2026-08-21)
Nov. 17, 2015	KOSS	P	300	$2.48	$744	26,695 Direct	+1.14%	Acquired	38.7% (price as of 2026-08-21)
Nov. 17, 2015	KOSS	P	999	$2.47	$2,468	26,395 Direct	+3.93%	Acquired	39.3% (price as of 2026-08-21)
Nov. 17, 2015	KOSS	P	195	$2.30	$448	25,396 Direct	+0.77%	Acquired	49.6% (price as of 2026-08-21)
Nov. 16, 2015	KOSS	P	201	$2.12	$426	25,201 Direct	+0.80%	Acquired	62.3% (price as of 2026-08-21)
Feb. 11, 2015	KOSS	P	5,000	$2.19	$10,950	25,000 Direct	+25.00%	Acquired	57.1% (price as of 2026-08-21)
Feb. 11, 2015	KOSS	P	5,000	$2.17	$10,850	25,000 Direct	+25.00%	Acquired	58.5% (price as of 2026-08-21)
Nov. 5, 2014	KOSS	P	8,000	$1.35	$10,800	20,000 Direct	+66.67%	Acquired	154.8% (price as of 2026-08-21)
Nov. 25, 2013	KOSS	P	1,000	$4.90	$4,900	12,000 Direct	+9.09%	Acquired	-29.8% (price as of 2026-08-21)
Nov. 22, 2013	KOSS	P	1,000	$4.90	$4,900	11,000 Direct	+10.00%	Acquired	-29.8% (price as of 2026-08-21)
Feb. 1, 2012	KOSS	A	10,000	—	—	10,000 Direct	—	Acquired	(price as of 2026-08-21)
Feb. 7, 2011	KOSS	P	2,000	$6.03	$12,060	10,000 Direct	+25.00%	Acquired	-43.0% (price as of 2026-08-21)
Nov. 5, 2009	KOSS	P	100	$11.75	$1,175	1,843 Direct	+5.74%	Acquired	-41.4% (price as of 2026-08-21)
Nov. 4, 2009	KOSS	P	800	$11.55	$9,240	1,743 Direct	+84.84%	Acquired	-40.4% (price as of 2026-08-21)
Oct. 20, 2009	KOSS	P	620	$12.00	$7,440	3,100 Direct	+25.00%	Acquired	-42.7% (price as of 2026-08-21)
Oct. 20, 2009	KOSS	P	620	$12.00	$7,440	943 Direct	+191.95%	Acquired	-42.7% (price as of 2026-08-21)
March 25, 2009	KOSS	P	323	$11.25	$3,634	2,480 Direct	+14.97%	Acquired	-38.8% (price as of 2026-08-21)
March 18, 2009	KOSS	P	157	$11.25	$1,766	2,157 Direct	+7.85%	Acquired	-38.8% (price as of 2026-08-21)
May 14, 2008	KOSS	P	300	$16.03	$4,809	2,000 Direct	+17.65%	Acquired	-57.1% (price as of 2026-08-21)
March 6, 2008	KOSS	P	300	$18.10	$5,430	1,700 Direct	+21.43%	Acquired	-62.0% (price as of 2026-08-21)
Feb. 13, 2008	KOSS	P	100	$17.50	$1,750	1,400 Direct	+7.69%	Acquired	-60.7% (price as of 2026-08-21)
Oct. 19, 2007	KOSS	P	200	$18.10	$3,620	1,300 Direct	+18.18%	Acquired	-62.0% (price as of 2026-08-21)
Aug. 20, 2007	KOSS	P	100	$20.35	$2,035	1,100 Direct	+10.00%	Acquired	-66.2% (price as of 2026-08-21)
May 7, 2007	KOSS	P	200	$19.73	$3,946	1,000 Direct	+25.00%	Acquired	-65.1% (price as of 2026-08-21)
Feb. 12, 2007	KOSS	P	41	$21.32	$874	800 Direct	+5.40%	Acquired	-67.7% (price as of 2026-08-21)
Feb. 8, 2007	KOSS	P	7	$21.50	$150	759 Direct	+0.93%	Acquired	-68.0% (price as of 2026-08-21)
Feb. 7, 2007	KOSS	P	152	$21.50	$3,268	752 Direct	+25.33%	Acquired	-68.0% (price as of 2026-08-21)

P = Open-market purchase · S = Sale · A = Grant/award · M = Option exercise · G = Gift · F = Tax withholding

Insider transactions are not a recommendation; sales are often driven by liquidity or tax reasons.

Derivative holdings (Form 4 Table II)

Options, RSUs and convertible securities reported on Form 4 Table II.

Date	Ticker	Security	Underlying	Exercise price	Expiration	Shares	A/D
May 28, 2021	KOSS	Stock Option (Right to Buy)	Common Stock (10,000)	$1.92	May 9, 2023	10,000	Disposed
May 9, 2018	KOSS	Stock Option (right to buy)	Common Stock (10,000)	$1.92	May 9, 2023	10,000	Acquired
Feb. 1, 2012	KOSS	Stock Option (right to buy)	Common Stock (10,000)	$5.59	Feb. 1, 2017	10,000	Acquired

Exercise/conversion price is blank when not applicable (e.g. RSUs).

Initial ownership (Form 3) 1 holding

Securities held when first becoming an insider, per SEC Form 3.

Date	Ticker	Security	Shares	Ownership
Oct. 23, 2006	KOSS	Common Stock	600	Direct