John W Barter

Insider

First SEC filing: Aug. 1, 2007 · Latest: Feb. 3, 2012

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

Insider transactions

0 buys (P) 0 sells (S) Net: $0 + 38 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

38 other filings hidden

Date	Ticker	Code	Shares	Price	Value	Owned after	Δ own	A/D	vs now
April 26, 2018	DHX	A	71,000	—	—	188,800 Direct	+60.27%	Acquired	(price as of 2026-08-18)
April 28, 2017	DHX	A	28,500	—	—	117,800 Direct	+31.91%	Acquired	(price as of 2026-08-18)
July 21, 2016	DHX	A	16,000	—	—	89,300 Direct	+21.83%	Acquired	(price as of 2026-08-18)
April 23, 2015	DHX	A	11,200	—	—	73,300 Direct	+18.04%	Acquired	(price as of 2026-08-18)
June 11, 2014	DHX	A	12,000	—	—	62,100 Direct	+23.95%	Acquired	(price as of 2026-08-18)
July 15, 2013	G	M	17,485	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-18)
July 15, 2013	G	S	17,485	$20.98	$366,835	26,562 Direct	-39.70%	Disposed	64.9% (price as of 2026-08-18)
July 15, 2013	G	M	17,485	$3.04	$53,154	44,047 Direct	+65.83%	Acquired	1038.2% (price as of 2026-08-18)
June 17, 2013	G	M	20,000	—	—	17,485 Direct	-53.35%	Disposed	(price as of 2026-08-18)
June 17, 2013	G	S	20,000	$19.31	$386,200	26,562 Direct	-42.95%	Disposed	79.2% (price as of 2026-08-18)
June 17, 2013	G	M	20,000	$3.04	$60,800	46,562 Direct	+75.30%	Acquired	1038.2% (price as of 2026-08-18)
May 23, 2013	DHX	A	11,500	—	—	50,100 Direct	+29.79%	Acquired	(price as of 2026-08-18)
May 15, 2013	G	M	20,000	—	—	37,485 Direct	-34.79%	Disposed	(price as of 2026-08-18)
May 15, 2013	G	S	20,000	$19.39	$387,800	26,562 Direct	-42.95%	Disposed	78.4% (price as of 2026-08-18)
May 15, 2013	G	M	20,000	$3.04	$60,800	46,562 Direct	+75.30%	Acquired	1038.2% (price as of 2026-08-18)
May 8, 2013	G	A	6,141	—	—	26,562 Direct	+30.07%	Acquired	(price as of 2026-08-18)
April 15, 2013	G	M	20,000	—	—	57,485 Direct	-25.81%	Disposed	(price as of 2026-08-18)
April 15, 2013	G	S	20,000	$18.16	$363,200	20,421 Direct	-49.48%	Disposed	90.5% (price as of 2026-08-18)
April 15, 2013	G	M	20,000	$3.04	$60,800	40,421 Direct	+97.94%	Acquired	1038.2% (price as of 2026-08-18)
March 15, 2013	G	M	20,000	—	—	77,485 Direct	-20.52%	Disposed	(price as of 2026-08-18)
March 15, 2013	G	S	20,000	$17.88	$357,600	20,421 Direct	-49.48%	Disposed	93.5% (price as of 2026-08-18)
March 15, 2013	G	M	20,000	$3.04	$60,800	40,421 Direct	+97.94%	Acquired	1038.2% (price as of 2026-08-18)
March 15, 2013	G	M	20,000	—	—	77,485 Direct	-20.52%	Disposed	(price as of 2026-08-18)
March 15, 2013	G	S	20,000	$17.88	$357,600	20,421 Direct	-49.48%	Disposed	93.5% (price as of 2026-08-18)
March 15, 2013	G	M	20,000	$3.04	$60,800	40,421 Direct	+97.94%	Acquired	1038.2% (price as of 2026-08-18)
May 16, 2012	G	A	6,000	—	—	18,000 Direct	+50.00%	Acquired	(price as of 2026-08-18)
April 19, 2012	DHX	A	10,600	—	—	38,600 Direct	+37.86%	Acquired	(price as of 2026-08-18)
Aug. 1, 2011	DHX	S 10b5-1	5,000	$13.56	$67,800	36,000 Direct	-12.20%	Disposed	-67.6% (price as of 2026-08-18)
Aug. 1, 2011	DHX	M	5,000	—	—	42,094 Direct	-10.62%	Disposed	(price as of 2026-08-18)
Aug. 1, 2011	DHX	M	5,000	$7.11	$35,550	41,000 Direct	+13.89%	Acquired	-38.3% (price as of 2026-08-18)
July 1, 2011	DHX	M	5,000	—	—	47,094 Direct	-9.60%	Disposed	(price as of 2026-08-18)
July 1, 2011	DHX	S 10b5-1	5,000	$13.54	$67,700	36,000 Direct	-12.20%	Disposed	-67.6% (price as of 2026-08-18)
July 1, 2011	DHX	M	5,000	$7.11	$35,550	41,000 Direct	+13.89%	Acquired	-38.3% (price as of 2026-08-18)
June 1, 2011	DHX	M	5,000	—	—	52,094 Direct	-8.76%	Disposed	(price as of 2026-08-18)
June 1, 2011	DHX	S 10b5-1	5,000	$14.43	$72,150	36,000 Direct	-12.20%	Disposed	-69.6% (price as of 2026-08-18)
June 1, 2011	DHX	M	5,000	$7.11	$35,550	41,000 Direct	+13.89%	Acquired	-38.3% (price as of 2026-08-18)
May 9, 2011	G	A	6,000	—	—	12,000 Direct	+100.00%	Acquired	(price as of 2026-08-18)
May 3, 2011	DHX	M	10,000	—	—	57,094 Direct	-14.90%	Disposed	(price as of 2026-08-18)
May 3, 2011	DHX	S 10b5-1	10,000	$18.14	$181,400	36,000 Direct	-21.74%	Disposed	-75.8% (price as of 2026-08-18)
May 3, 2011	DHX	M	10,000	$7.11	$71,100	46,000 Direct	+27.78%	Acquired	-38.3% (price as of 2026-08-18)
April 14, 2011	DHX	A	5,000	—	—	36,000 Direct	+16.13%	Acquired	(price as of 2026-08-18)
Feb. 22, 2011	DHX	M	50,000	—	—	67,094 Direct	+292.50%	Acquired	(price as of 2026-08-18)
Feb. 22, 2011	DHX	D	50,000	$13.75	$687,500	31,000 Direct	-61.73%	Disposed	-68.1% (price as of 2026-08-18)
Feb. 22, 2011	DHX	M	50,000	$7.11	$355,500	81,000 Direct	+161.29%	Acquired	-38.3% (price as of 2026-08-18)
Aug. 13, 2010	G	A	6,000	—	—	6,000 Direct	—	Acquired	(price as of 2026-08-18)
April 29, 2010	DHX	A	8,000	—	—	31,000 Direct	+34.78%	Acquired	(price as of 2026-08-18)
May 21, 2009	DHX	A	15,000	—	—	23,000 Direct	+187.50%	Acquired	(price as of 2026-08-18)
April 18, 2008	DHX	A	8,000	—	—	8,000 Direct	—	Acquired	(price as of 2026-08-18)

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
July 15, 2013	G	Stock Options (Right to Buy)	Common Shares (17,485)	$3.04	Sept. 28, 2015	17,485	Disposed
June 17, 2013	G	Stock Options (Right to Buy)	Common Shares (20,000)	$3.04	Sept. 28, 2015	20,000	Disposed
May 15, 2013	G	Stock Options (Right to Buy)	Common Shares (20,000)	$3.04	Sept. 28, 2015	20,000	Disposed
April 15, 2013	G	Stock Options (Right to Buy)	Common Shares (20,000)	$3.04	Sept. 28, 2015	20,000	Disposed
March 15, 2013	G	Employee Stock Options (Right to Buy)	Common Shares (20,000)	—	Sept. 28, 2015	20,000	Disposed
March 15, 2013	G	Employee Stock Options (Right to Buy)	Common Shares (20,000)	—	Sept. 28, 2015	20,000	Disposed
Aug. 1, 2011	DHX	Employee Stock Option (Right to Buy)	Common Stock (5,000)	$7.11	May 9, 2017	5,000	Disposed
July 1, 2011	DHX	Employee Stock Option (Right to Buy)	Common Stock (5,000)	$7.11	May 9, 2017	5,000	Disposed
June 1, 2011	DHX	Employee Stock Option (Right to Buy)	Common Stock (5,000)	$7.11	May 9, 2017	5,000	Disposed
May 3, 2011	DHX	Employee Stock Option (Right to Buy)	Common Stock (10,000)	$7.11	May 9, 2017	10,000	Disposed
Feb. 22, 2011	DHX	Employee Stock Option (Right to Buy)	Common Stock (50,000)	$7.11	Aug. 31, 2015	50,000	Acquired

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

Initial ownership (Form 3) 2 holdings

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

Date	Ticker	Security	Shares	Ownership
Aug. 1, 2007	G	Stock Options (right to buy)→ Common Shares (85,928)	85,928	Direct
July 17, 2007	DHX	Stock Options (Right to Buy)→ Common Stock (117,094)	117,094	Direct