Dennis Cline

Insider

First SEC filing: March 30, 2004 · Latest: Feb. 12, 2016

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

MCHX selling Dec. 7, 2011

Insider transactions

0 buys (P) 0 sells (S) Net: $0 + 32 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

32 other filings hidden

Date	Ticker	Code	Shares	Price	Value	Owned after	Δ own	A/D	vs now
Dec. 16, 2025	MCHX	A	50,000	—	—	50,000 Direct	—	Acquired	(price as of 2026-08-20)
Nov. 6, 2024	MCHX	A	50,000	—	—	50,000 Direct	—	Acquired	(price as of 2026-08-20)
Aug. 16, 2024	MCHX	G	18,500	—	—	108,260 Direct	-14.59%	Disposed	(price as of 2026-08-20)
Sept. 28, 2023	MCHX	A	20,000	—	—	20,000 Direct	—	Acquired	(price as of 2026-08-20)
Sept. 28, 2023	MCHX	A	15,000	$0.01	$150	126,760 Direct	+13.42%	Acquired	17500.0% (price as of 2026-08-20)
Sept. 29, 2022	MCHX	A	20,000	—	—	20,000 Direct	—	Acquired	(price as of 2026-08-20)
Sept. 29, 2022	MCHX	A	15,000	$0.01	$150	111,760 Direct	+15.50%	Acquired	17500.0% (price as of 2026-08-20)
Dec. 2, 2021	MCHX	J	50,000	—	—	96,760 Direct	-34.07%	Disposed	(price as of 2026-08-20)
Oct. 1, 2021	MCHX	A	20,000	—	—	20,000 Direct	—	Acquired	(price as of 2026-08-20)
Oct. 1, 2021	MCHX	A	15,000	$0.01	$150	146,760 Direct	+11.38%	Acquired	17500.0% (price as of 2026-08-20)
Oct. 22, 2020	MCHX	A	20,000	—	—	20,000 Direct	—	Acquired	(price as of 2026-08-20)
Oct. 22, 2020	MCHX	A	15,000	$0.01	$150	131,760 Direct	+12.85%	Acquired	17500.0% (price as of 2026-08-20)
Sept. 26, 2019	MCHX	A	20,000	—	—	20,000 Direct	—	Acquired	(price as of 2026-08-20)
Sept. 26, 2019	MCHX	A	15,000	$0.01	$150	116,760 Direct	+14.74%	Acquired	17500.0% (price as of 2026-08-20)
Sept. 27, 2018	MCHX	A	15,000	—	—	15,000 Direct	—	Acquired	(price as of 2026-08-20)
Sept. 27, 2018	MCHX	A	15,000	$0.01	$150	101,760 Direct	+17.29%	Acquired	17500.0% (price as of 2026-08-20)
Aug. 21, 2018	MCHX	J	100,000	—	—	86,760 Direct	-53.54%	Disposed	(price as of 2026-08-20)
Aug. 21, 2017	MCHX	A	34,014	$0.01	$340	186,760 Direct	+22.27%	Acquired	17500.0% (price as of 2026-08-20)
May 13, 2016	MCHX	A	34,436	$0.01	$344	152,746 Direct	+29.11%	Acquired	17500.0% (price as of 2026-08-20)
May 7, 2015	MCHX	A	25,510	$0.01	$255	118,310 Direct	+27.49%	Acquired	17500.0% (price as of 2026-08-20)
May 2, 2014	MCHX	A	16,200	$0.01	$162	100,300 Direct	+19.26%	Acquired	17500.0% (price as of 2026-08-20)
April 4, 2014	MCHX	J	23,500	—	—	28,500 Indirect	-45.19%	Disposed	(price as of 2026-08-20)
April 4, 2014	MCHX	J	7,900	—	—	84,100 Direct	-8.59%	Disposed	(price as of 2026-08-20)
May 14, 2013	MCHX	M	20,000	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
May 14, 2013	MCHX	M	20,000	$3.00	$60,000	92,000 Direct	+27.78%	Acquired	-41.3% (price as of 2026-08-20)
May 3, 2013	MCHX	A	16,200	$0.01	$162	72,000 Direct	+29.03%	Acquired	17500.0% (price as of 2026-08-20)
May 8, 2012	MCHX	A	15,250	$0.01	$152	55,800 Direct	+37.61%	Acquired	17500.0% (price as of 2026-08-20)
Dec. 7, 2011	MCHX	S	25,000	$7.06	$176,500	52,000 Indirect	-32.47%	Disposed	-75.1% (price as of 2026-08-20)
May 6, 2011	MCHX	A	15,250	$0.01	$152	40,550 Direct	+60.28%	Acquired	17500.0% (price as of 2026-08-20)
May 7, 2010	MCHX	A	11,500	$0.01	$115	25,300 Direct	+83.33%	Acquired	17500.0% (price as of 2026-08-20)
June 12, 2009	MCHX	A	150	$0.01	$2	150 Direct	—	Acquired	17500.0% (price as of 2026-08-20)
May 8, 2009	MCHX	A	5,750	$0.01	$58	13,650 Direct	+72.78%	Acquired	17500.0% (price as of 2026-08-20)
Sept. 2, 2008	MCHX	S	4,125	$11.69	$48,221	77,000 Indirect	-5.08%	Disposed	-84.9% (price as of 2026-08-20)
June 2, 2008	MCHX	S	100	$13.06	$1,306	82,595 Indirect	-0.12%	Disposed	-86.5% (price as of 2026-08-20)
June 2, 2008	MCHX	S	964	$13.05	$12,580	82,695 Indirect	-1.15%	Disposed	-86.5% (price as of 2026-08-20)
June 2, 2008	MCHX	S	70	$13.28	$930	81,125 Indirect	-0.09%	Disposed	-86.7% (price as of 2026-08-20)
June 2, 2008	MCHX	S	200	$13.27	$2,654	81,195 Indirect	-0.25%	Disposed	-86.7% (price as of 2026-08-20)
June 2, 2008	MCHX	S	100	$13.26	$1,326	81,395 Indirect	-0.12%	Disposed	-86.7% (price as of 2026-08-20)
June 2, 2008	MCHX	S	100	$13.25	$1,325	81,495 Indirect	-0.12%	Disposed	-86.7% (price as of 2026-08-20)
June 2, 2008	MCHX	S	100	$13.22	$1,322	81,595 Indirect	-0.12%	Disposed	-86.7% (price as of 2026-08-20)
June 2, 2008	MCHX	S	100	$13.21	$1,321	81,695 Indirect	-0.12%	Disposed	-86.7% (price as of 2026-08-20)
June 2, 2008	MCHX	S	100	$13.17	$1,317	81,795 Indirect	-0.12%	Disposed	-86.6% (price as of 2026-08-20)
June 2, 2008	MCHX	S	100	$13.15	$1,315	81,895 Indirect	-0.12%	Disposed	-86.6% (price as of 2026-08-20)
June 2, 2008	MCHX	S	200	$13.13	$2,626	81,995 Indirect	-0.24%	Disposed	-86.6% (price as of 2026-08-20)
June 2, 2008	MCHX	S	100	$13.12	$1,312	82,195 Indirect	-0.12%	Disposed	-86.6% (price as of 2026-08-20)
June 2, 2008	MCHX	S	100	$13.09	$1,309	82,295 Indirect	-0.12%	Disposed	-86.6% (price as of 2026-08-20)
June 2, 2008	MCHX	S	200	$13.07	$2,614	82,395 Indirect	-0.24%	Disposed	-86.5% (price as of 2026-08-20)
June 2, 2008	MCHX	S	200	$13.04	$2,608	83,659 Indirect	-0.24%	Disposed	-86.5% (price as of 2026-08-20)
June 2, 2008	MCHX	S	100	$13.03	$1,303	83,859 Indirect	-0.12%	Disposed	-86.5% (price as of 2026-08-20)
June 2, 2008	MCHX	S	200	$13.02	$2,604	83,959 Indirect	-0.24%	Disposed	-86.5% (price as of 2026-08-20)
June 2, 2008	MCHX	S	600	$13.01	$7,806	84,159 Indirect	-0.71%	Disposed	-86.5% (price as of 2026-08-20)
June 2, 2008	MCHX	S	300	$13.00	$3,900	84,759 Indirect	-0.35%	Disposed	-86.5% (price as of 2026-08-20)
June 2, 2008	MCHX	S	100	$12.91	$1,291	85,059 Indirect	-0.12%	Disposed	-86.4% (price as of 2026-08-20)
June 2, 2008	MCHX	S	91	$12.90	$1,174	85,159 Indirect	-0.11%	Disposed	-86.4% (price as of 2026-08-20)
May 12, 2008	MCHX	S	300	$11.81	$3,543	7,900 Direct	-3.66%	Disposed	-85.1% (price as of 2026-08-20)
May 12, 2008	MCHX	S	260	$11.80	$3,068	8,200 Direct	-3.07%	Disposed	-85.1% (price as of 2026-08-20)
May 12, 2008	MCHX	S	100	$11.79	$1,179	8,460 Direct	-1.17%	Disposed	-85.1% (price as of 2026-08-20)
May 12, 2008	MCHX	S	100	$11.78	$1,178	8,560 Direct	-1.15%	Disposed	-85.1% (price as of 2026-08-20)
May 12, 2008	MCHX	S	42	$11.74	$493	8,660 Direct	-0.48%	Disposed	-85.0% (price as of 2026-08-20)
May 12, 2008	MCHX	S	100	$11.73	$1,173	8,702 Direct	-1.14%	Disposed	-85.0% (price as of 2026-08-20)
May 12, 2008	MCHX	S	101	$11.72	$1,184	8,802 Direct	-1.13%	Disposed	-85.0% (price as of 2026-08-20)
May 12, 2008	MCHX	S	400	$11.71	$4,684	8,903 Direct	-4.30%	Disposed	-85.0% (price as of 2026-08-20)
May 12, 2008	MCHX	S	1	$11.68	$12	9,303 Direct	-0.01%	Disposed	-84.9% (price as of 2026-08-20)
May 12, 2008	MCHX	S	396	$11.67	$4,621	9,304 Direct	-4.08%	Disposed	-84.9% (price as of 2026-08-20)
May 12, 2008	MCHX	S	200	$11.63	$2,326	9,700 Direct	-2.02%	Disposed	-84.9% (price as of 2026-08-20)
May 9, 2008	MCHX	A	5,900	—	—	9,900 Direct	+147.50%	Acquired	(price as of 2026-08-20)
March 3, 2008	MCHX	S	300	$8.88	$2,664	88,675 Indirect	-0.34%	Disposed	-80.2% (price as of 2026-08-20)
March 3, 2008	MCHX	S	2	$8.97	$18	85,250 Indirect	0.00%	Disposed	-80.4% (price as of 2026-08-20)
March 3, 2008	MCHX	S	300	$8.96	$2,688	85,252 Indirect	-0.35%	Disposed	-80.4% (price as of 2026-08-20)
March 3, 2008	MCHX	S	500	$8.95	$4,475	85,552 Indirect	-0.58%	Disposed	-80.3% (price as of 2026-08-20)
March 3, 2008	MCHX	S	700	$8.94	$6,258	86,052 Indirect	-0.81%	Disposed	-80.3% (price as of 2026-08-20)
March 3, 2008	MCHX	S	200	$8.93	$1,786	86,752 Indirect	-0.23%	Disposed	-80.3% (price as of 2026-08-20)
March 3, 2008	MCHX	S	400	$8.92	$3,568	86,952 Indirect	-0.46%	Disposed	-80.3% (price as of 2026-08-20)
March 3, 2008	MCHX	S	523	$8.91	$4,660	87,352 Indirect	-0.60%	Disposed	-80.2% (price as of 2026-08-20)
March 3, 2008	MCHX	S	500	$8.90	$4,450	87,875 Indirect	-0.57%	Disposed	-80.2% (price as of 2026-08-20)
March 3, 2008	MCHX	S	300	$8.89	$2,667	88,375 Indirect	-0.34%	Disposed	-80.2% (price as of 2026-08-20)
March 3, 2008	MCHX	S	100	$8.85	$885	88,975 Indirect	-0.11%	Disposed	-80.1% (price as of 2026-08-20)
March 3, 2008	MCHX	S	100	$8.84	$884	89,075 Indirect	-0.11%	Disposed	-80.1% (price as of 2026-08-20)
March 3, 2008	MCHX	S	200	$8.81	$1,762	89,175 Indirect	-0.22%	Disposed	-80.0% (price as of 2026-08-20)
Dec. 3, 2007	MCHX	S	100	$12.11	$1,211	90,452 Indirect	-0.11%	Disposed	-85.5% (price as of 2026-08-20)
Dec. 3, 2007	MCHX	S	477	$12.17	$5,805	89,375 Indirect	-0.53%	Disposed	-85.5% (price as of 2026-08-20)
Dec. 3, 2007	MCHX	S	600	$12.15	$7,290	89,852 Indirect	-0.66%	Disposed	-85.5% (price as of 2026-08-20)
Dec. 3, 2007	MCHX	S	600	$12.10	$7,260	90,552 Indirect	-0.66%	Disposed	-85.5% (price as of 2026-08-20)
Dec. 3, 2007	MCHX	S	223	$12.09	$2,696	91,152 Indirect	-0.24%	Disposed	-85.4% (price as of 2026-08-20)
Dec. 3, 2007	MCHX	S	400	$12.04	$4,816	91,375 Indirect	-0.44%	Disposed	-85.4% (price as of 2026-08-20)
Dec. 3, 2007	MCHX	S	300	$12.02	$3,606	91,775 Indirect	-0.33%	Disposed	-85.4% (price as of 2026-08-20)
Dec. 3, 2007	MCHX	S	100	$12.01	$1,201	92,075 Indirect	-0.11%	Disposed	-85.3% (price as of 2026-08-20)
Dec. 3, 2007	MCHX	S	1,300	$12.00	$15,600	92,175 Indirect	-1.39%	Disposed	-85.3% (price as of 2026-08-20)
Dec. 3, 2007	MCHX	S	25	$11.77	$294	93,475 Indirect	-0.03%	Disposed	-85.0% (price as of 2026-08-20)
May 29, 2007	MCHX	S	100	$16.24	$1,624	93,500 Indirect	-0.11%	Disposed	-89.2% (price as of 2026-08-20)
May 29, 2007	MCHX	S	100	$16.23	$1,623	93,600 Indirect	-0.11%	Disposed	-89.2% (price as of 2026-08-20)
May 29, 2007	MCHX	S	100	$15.98	$1,598	93,700 Indirect	-0.11%	Disposed	-89.0% (price as of 2026-08-20)
May 29, 2007	MCHX	S	100	$15.97	$1,597	93,800 Indirect	-0.11%	Disposed	-89.0% (price as of 2026-08-20)
May 29, 2007	MCHX	S	100	$15.95	$1,595	93,900 Indirect	-0.11%	Disposed	-89.0% (price as of 2026-08-20)
May 29, 2007	MCHX	S	100	$15.93	$1,593	94,000 Indirect	-0.11%	Disposed	-89.0% (price as of 2026-08-20)
May 29, 2007	MCHX	S	125	$15.92	$1,990	94,100 Indirect	-0.13%	Disposed	-88.9% (price as of 2026-08-20)
May 29, 2007	MCHX	S	100	$15.90	$1,590	94,225 Indirect	-0.11%	Disposed	-88.9% (price as of 2026-08-20)
May 29, 2007	MCHX	S	200	$15.89	$3,178	94,325 Indirect	-0.21%	Disposed	-88.9% (price as of 2026-08-20)
May 29, 2007	MCHX	S	200	$15.83	$3,166	94,525 Indirect	-0.21%	Disposed	-88.9% (price as of 2026-08-20)
May 29, 2007	MCHX	S	200	$15.82	$3,164	94,725 Indirect	-0.21%	Disposed	-88.9% (price as of 2026-08-20)

Showing latest 100 of 157 transactions

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
Dec. 16, 2025	MCHX	Employee Stock Option (right to buy)	Class B Common Stock (50,000)	$1.64	Dec. 16, 2035	50,000	Acquired
Nov. 6, 2024	MCHX	Employee Stock Option (right to buy)	Class B Common Stock (50,000)	$1.80	Nov. 6, 2034	50,000	Acquired
Sept. 28, 2023	MCHX	Non-Qualified Stock Option (right to buy)	Class B Common Stock (20,000)	$1.45	Sept. 28, 2033	20,000	Acquired
Sept. 29, 2022	MCHX	Non-Qualified Stock Option (right to buy)	Class B Common Stock (20,000)	$1.78	Sept. 29, 2032	20,000	Acquired
Oct. 1, 2021	MCHX	Non-Qualified Stock Option (right to buy)	Class B Common Stock (20,000)	$3.02	Oct. 1, 2031	20,000	Acquired
Oct. 22, 2020	MCHX	Non-Qualified Stock Option (right to buy)	Class B Common Stock (20,000)	$1.90	Oct. 22, 2030	20,000	Acquired
Sept. 26, 2019	MCHX	Non-Qualified Stock Option (right to buy)	Class B Common Stock (20,000)	$3.26	Sept. 26, 2029	20,000	Acquired
Sept. 27, 2018	MCHX	Non-Qualified Stock Option (right to buy)	Class B Common Stock (15,000)	$2.76	Sept. 27, 2028	15,000	Acquired
May 14, 2013	MCHX	Non-qualified Stock Option (right to buy)	Class B Common Stock (20,000)	$3.00	May 16, 2013	20,000	Disposed
May 12, 2006	MCHX	Non-Employee Director Grant (Right to Buy)	Class B Common Stock (7,500)	$19.60	May 12, 2011	7,500	Acquired
Oct. 11, 2005	MCHX	Non-qualified Stock Option (right to buy)	Class B Common Stock (20,000)	$3.00	May 16, 2013	20,000	Disposed
May 31, 2005	MCHX	Non-Employee Director Grant (Right to buy)	Class B Common Stock (7,500)	$15.73	May 31, 2010	7,500	Acquired
April 5, 2004	MCHX	Series A redeemable preferred stock	Class B Common Stock (100,000)	—	—	100,000	Disposed

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
March 30, 2004	MCHX	Non-qualified Stock Option (right to buy)→ Class B Common Stock (40,000)	40,000	Direct
March 30, 2004	MCHX	Series A redeemable preferred stock→ Class B Common Stock (100,000)	100,000	Indirect