Robert L Fox

CIK 1220940 · View on SEC EDGAR ↗

Insider

First SEC filing: Nov. 19, 2013 · Latest: Nov. 19, 2013

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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.

Insider at

MZTI selling Feb. 1, 2006

Insider transactions

0 buys (P) 0 sells (S) Net: $0 + 42 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

42 other filings hidden

Date	Ticker	Code	Shares	Price	Value	Owned after	Δ own	A/D	vs now
Jan. 5, 2026	MZTI	G	230	—	—	245,652 Direct	-0.09%	Disposed	(price as of 2026-08-20)
Nov. 20, 2025	MZTI	G	1,820	—	—	245,882 Direct	-0.73%	Disposed	(price as of 2026-08-20)
Nov. 20, 2025	MZTI	A	786	—	—	786 Direct	—	Acquired	(price as of 2026-08-20)
Nov. 6, 2024	MZTI	A	674	—	—	247,702 Direct	+0.27%	Acquired	(price as of 2026-08-20)
April 22, 2024	MZTI	J	39,199	—	—	0 Indirect	-100.00%	Disposed	(price as of 2026-08-20)
March 28, 2024	MZTI	G	180	—	—	247,028 Direct	-0.07%	Disposed	(price as of 2026-08-20)
Nov. 8, 2023	MZTI	A	695	—	—	247,208 Direct	+0.28%	Acquired	(price as of 2026-08-20)
June 15, 2023	MZTI	G	170	—	—	246,513 Direct	-0.07%	Disposed	(price as of 2026-08-20)
Dec. 5, 2022	MZTI	J	39,199	—	—	0 Indirect	-100.00%	Disposed	(price as of 2026-08-20)
Nov. 9, 2022	MZTI	A	565	—	—	246,683 Direct	+0.23%	Acquired	(price as of 2026-08-20)
May 14, 2022	MZTI	G	200	—	—	246,118 Direct	-0.08%	Disposed	(price as of 2026-08-20)
Nov. 10, 2021	MZTI	A	616	—	—	246,318 Direct	+0.25%	Acquired	(price as of 2026-08-20)
Dec. 16, 2020	MZTI	G	1,020	—	—	245,702 Direct	-0.41%	Disposed	(price as of 2026-08-20)
Nov. 11, 2020	MZTI	A	579	—	—	246,722 Direct	+0.24%	Acquired	(price as of 2026-08-20)
Nov. 13, 2019	MZTI	A	610	—	—	246,143 Direct	+0.25%	Acquired	(price as of 2026-08-20)
Nov. 14, 2018	MZTI	A	527	—	—	245,533 Direct	+0.22%	Acquired	(price as of 2026-08-20)
Nov. 15, 2017	MZTI	A	771	—	—	245,006 Direct	+0.32%	Acquired	(price as of 2026-08-20)
Nov. 21, 2016	MZTI	A	683	—	—	244,235 Direct	+0.28%	Acquired	(price as of 2026-08-20)
Nov. 16, 2015	MZTI	A	713	—	—	243,552 Direct	+0.29%	Acquired	(price as of 2026-08-20)
Nov. 17, 2014	MZTI	A	860	—	—	242,839 Direct	+0.36%	Acquired	(price as of 2026-08-20)
Nov. 18, 2013	MZTI	A	829	—	—	244,129 Direct	+0.34%	Acquired	(price as of 2026-08-20)
Nov. 19, 2012	MZTI	A	955	—	—	246,300 Direct	+0.39%	Acquired	(price as of 2026-08-20)
Nov. 21, 2011	MZTI	A	1,061	—	—	250,345 Direct	+0.43%	Acquired	(price as of 2026-08-20)
Nov. 15, 2010	MZTI	A	1,165	—	—	252,318 Direct	+0.46%	Acquired	(price as of 2026-08-20)
Jan. 11, 2010	MZTI	G	4,000	—	—	43,169 Indirect	+10.21%	Acquired	(price as of 2026-08-20)
Jan. 11, 2010	MZTI	G	5,000	—	—	251,153 Direct	-1.95%	Disposed	(price as of 2026-08-20)
Nov. 16, 2009	MZTI	A	1,205	—	—	256,153 Direct	+0.47%	Acquired	(price as of 2026-08-20)
Jan. 23, 2009	MZTI	G	3,725	—	—	54,873 Indirect	+7.28%	Acquired	(price as of 2026-08-20)
Jan. 23, 2009	MZTI	G	4,450	—	—	254,948 Direct	-1.72%	Disposed	(price as of 2026-08-20)
Nov. 18, 2008	MZTI	A	2,000	—	—	259,398 Direct	+0.78%	Acquired	(price as of 2026-08-20)
Nov. 13, 2008	MZTI	J	18,860	—	—	51,148 Indirect	-26.94%	Disposed	(price as of 2026-08-20)
Nov. 19, 2007	MZTI	A	500	—	—	259,013 Direct	+0.19%	Acquired	(price as of 2026-08-20)
Jan. 10, 2007	MZTI	G	5,210	—	—	68,393 Indirect	+8.25%	Acquired	(price as of 2026-08-20)
Jan. 10, 2007	MZTI	G	5,210	—	—	258,513 Direct	-1.98%	Disposed	(price as of 2026-08-20)
Dec. 6, 2006	MZTI	W	21,145	—	—	263,723 Direct	+8.72%	Acquired	(price as of 2026-08-20)
Dec. 6, 2006	MZTI	W	8,599	—	—	8,599 Indirect	—	Acquired	(price as of 2026-08-20)
Dec. 6, 2006	MZTI	W	74,193	—	—	0 Indirect	-100.00%	Disposed	(price as of 2026-08-20)
Nov. 20, 2006	MZTI	A	500	—	—	242,578 Direct	+0.21%	Acquired	(price as of 2026-08-20)
Feb. 1, 2006	MZTI	S	100,000	—	—	74,193 Indirect	-57.41%	Disposed	(price as of 2026-08-20)
Oct. 31, 2005	MZTI	W	174,193	—	—	174,193 Indirect	—	Acquired	(price as of 2026-08-20)
Oct. 5, 2005	MZTI	W	15,912	—	—	249,038 Direct	+6.83%	Acquired	(price as of 2026-08-20)
Dec. 12, 2003	MZTI	G	2,000	—	—	133,236 Indirect	+1.52%	Acquired	(price as of 2026-08-20)
Dec. 12, 2003	MZTI	G	2,000	—	—	232,000 Direct	-0.85%	Disposed	(price as of 2026-08-20)

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
Nov. 20, 2025	MZTI	Restricted Stock Units	Common Stock (786)	—	Nov. 11, 2026	786	Acquired

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