Thomas J Meek

Insider

First SEC filing: Sept. 10, 2009 · Latest: Sept. 10, 2009

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.
Compensation Executive pay disclosed in company proxy statements.

Insider at

MTX buying Sept. 4, 2012

Insider transactions

0 buys (P) 0 sells (S) Net: $0 + 61 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

61 other filings hidden

Date	Ticker	Code	Shares	Price	Value	Owned after	Δ own	A/D	vs now
Jan. 25, 2015	MTX	M	3,434	—	—	29,061 Direct	-10.57%	Disposed	(price as of 2026-08-20)
Jan. 25, 2015	MTX	F	1,270	$61.43	$78,016	26,413 Direct	-4.59%	Disposed	15.1% (price as of 2026-08-20)
Jan. 25, 2015	MTX	M	3,434	—	—	27,683 Direct	+14.16%	Acquired	(price as of 2026-08-20)
Jan. 22, 2015	MTX	M	2,197	—	—	32,495 Direct	-6.33%	Disposed	(price as of 2026-08-20)
Jan. 22, 2015	MTX	M	2,939	—	—	34,692 Direct	-7.81%	Disposed	(price as of 2026-08-20)
Jan. 22, 2015	MTX	F	813	$61.06	$49,642	24,249 Direct	-3.24%	Disposed	15.8% (price as of 2026-08-20)
Jan. 22, 2015	MTX	M	2,197	—	—	25,062 Direct	+9.61%	Acquired	(price as of 2026-08-20)
Jan. 22, 2015	MTX	F	1,150	$61.06	$70,219	22,865 Direct	-4.79%	Disposed	15.8% (price as of 2026-08-20)
Jan. 22, 2015	MTX	M	2,939	—	—	24,015 Direct	+13.94%	Acquired	(price as of 2026-08-20)
Jan. 20, 2015	MTX	A	21,730	—	—	37,631 Direct	+136.66%	Acquired	(price as of 2026-08-20)
Jan. 20, 2015	MTX	A	11,912	—	—	103,679 Direct	+12.98%	Acquired	(price as of 2026-08-20)
Jan. 27, 2014	MTX	M	3,434	—	—	20,352 Direct	+20.30%	Acquired	(price as of 2026-08-20)
Jan. 27, 2014	MTX	M	3,164	—	—	15,901 Direct	-16.60%	Disposed	(price as of 2026-08-20)
Jan. 27, 2014	MTX	M	3,434	—	—	19,065 Direct	-15.26%	Disposed	(price as of 2026-08-20)
Jan. 27, 2014	MTX	F	1,170	$56.00	$65,520	21,076 Direct	-5.26%	Disposed	26.2% (price as of 2026-08-20)
Jan. 27, 2014	MTX	M	3,164	—	—	22,246 Direct	+16.58%	Acquired	(price as of 2026-08-20)
Jan. 22, 2014	MTX	F	1,270	$56.00	$71,120	19,082 Direct	-6.24%	Disposed	26.2% (price as of 2026-08-20)
Jan. 22, 2014	MTX	A	6,590	—	—	22,499 Direct	+41.42%	Acquired	(price as of 2026-08-20)
Jan. 22, 2014	MTX	A	12,608	—	—	91,767 Direct	+15.93%	Acquired	(price as of 2026-08-20)
Jan. 22, 2014	MTX	M	2,939	—	—	15,909 Direct	+22.66%	Acquired	(price as of 2026-08-20)
Jan. 22, 2014	MTX	F	1,153	$57.97	$66,839	16,918 Direct	-6.38%	Disposed	21.9% (price as of 2026-08-20)
Jan. 22, 2014	MTX	M	2,939	—	—	18,071 Direct	+19.42%	Acquired	(price as of 2026-08-20)
Jan. 22, 2014	MTX	M	2,939	—	—	15,909 Direct	+22.66%	Acquired	(price as of 2026-08-20)
Jan. 22, 2014	MTX	F	1,153	$57.97	$66,839	16,918 Direct	-6.38%	Disposed	21.9% (price as of 2026-08-20)
Jan. 22, 2014	MTX	M	2,939	—	—	18,071 Direct	+19.42%	Acquired	(price as of 2026-08-20)
Jan. 28, 2013	MTX	M	3,332	—	—	18,848 Direct	-15.02%	Disposed	(price as of 2026-08-20)
Jan. 28, 2013	MTX	M	3,164	—	—	22,180 Direct	-12.48%	Disposed	(price as of 2026-08-20)
Jan. 28, 2013	MTX	F	1,329	$41.80	$55,552	15,132 Direct	-8.07%	Disposed	69.1% (price as of 2026-08-20)
Jan. 28, 2013	MTX	M	3,332	—	—	16,461 Direct	+25.38%	Acquired	(price as of 2026-08-20)
Jan. 28, 2013	MTX	F	1,259	$41.80	$52,626	13,129 Direct	-8.75%	Disposed	69.1% (price as of 2026-08-20)
Jan. 28, 2013	MTX	M	3,164	—	—	14,388 Direct	+28.19%	Acquired	(price as of 2026-08-20)
Jan. 25, 2013	MTX	M	3,436	—	—	25,344 Direct	-11.94%	Disposed	(price as of 2026-08-20)
Jan. 25, 2013	MTX	F	1,470	$41.62	$61,181	11,224 Direct	-11.58%	Disposed	69.8% (price as of 2026-08-20)
Jan. 25, 2013	MTX	M	3,436	—	—	12,694 Direct	+37.11%	Acquired	(price as of 2026-08-20)
Jan. 22, 2013	MTX	A	8,816	—	—	28,780 Direct	+44.16%	Acquired	(price as of 2026-08-20)
Jan. 22, 2013	MTX	A	16,795	—	—	79,159 Direct	+26.93%	Acquired	(price as of 2026-08-20)
Sept. 4, 2012	MTX	M	833	—	—	9,982 Direct	-7.70%	Disposed	(price as of 2026-08-20)
Sept. 4, 2012	MTX	P	0	—	—	535 Indirect	0.00%	Acquired	(price as of 2026-08-20)
Sept. 4, 2012	MTX	F	301	$67.73	$20,387	4,629 Direct	-6.11%	Disposed	108.7% (price as of 2026-08-20)
Sept. 4, 2012	MTX	M	833	—	—	4,930 Direct	+20.33%	Acquired	(price as of 2026-08-20)
Jan. 27, 2012	MTX	M	1,667	—	—	10,815 Direct	-13.36%	Disposed	(price as of 2026-08-20)
Jan. 27, 2012	MTX	F	602	$64.61	$38,895	4,097 Direct	-12.81%	Disposed	118.8% (price as of 2026-08-20)
Jan. 27, 2012	MTX	M	1,667	—	—	4,699 Direct	+54.98%	Acquired	(price as of 2026-08-20)
Jan. 26, 2012	MTX	P	0	—	—	402 Indirect	0.00%	Acquired	(price as of 2026-08-20)
Jan. 26, 2012	MTX	M	1,583	—	—	12,482 Direct	-11.25%	Disposed	(price as of 2026-08-20)
Jan. 26, 2012	MTX	P	0	—	—	402 Indirect	0.00%	Acquired	(price as of 2026-08-20)
Jan. 26, 2012	MTX	F	625	$64.36	$40,225	3,032 Direct	-17.09%	Disposed	119.6% (price as of 2026-08-20)
Jan. 26, 2012	MTX	M	1,583	—	—	3,657 Direct	+76.33%	Acquired	(price as of 2026-08-20)
Jan. 25, 2012	MTX	A	5,152	—	—	14,065 Direct	+57.80%	Acquired	(price as of 2026-08-20)
Jan. 25, 2012	MTX	A	8,557	—	—	31,182 Direct	+37.82%	Acquired	(price as of 2026-08-20)
Sept. 1, 2011	MTX	M	833	—	—	8,913 Direct	-8.55%	Disposed	(price as of 2026-08-20)
Sept. 1, 2011	MTX	J	0	—	—	384 Indirect	0.00%	Disposed	(price as of 2026-08-20)
Sept. 1, 2011	MTX	F	302	$57.47	$17,356	2,730 Direct	-9.96%	Disposed	146.0% (price as of 2026-08-20)
Sept. 1, 2011	MTX	M	833	—	—	3,032 Direct	+37.88%	Acquired	(price as of 2026-08-20)
Jan. 27, 2011	MTX	M	1,667	—	—	2,199 Direct	+313.35%	Acquired	(price as of 2026-08-20)
Jan. 27, 2011	MTX	F	656	$64.45	$42,279	1,543 Direct	-29.83%	Disposed	119.3% (price as of 2026-08-20)
Jan. 27, 2011	MTX	M	1,667	—	—	9,746 Direct	-14.61%	Disposed	(price as of 2026-08-20)
Jan. 26, 2011	MTX	A	4,747	—	—	11,413 Direct	+71.21%	Acquired	(price as of 2026-08-20)
Jan. 26, 2011	MTX	A	7,625	—	—	22,625 Direct	+50.83%	Acquired	(price as of 2026-08-20)
Sept. 1, 2010	MTX	M	834	—	—	6,666 Direct	-11.12%	Disposed	(price as of 2026-08-20)
Sept. 1, 2010	MTX	F	302	$55.43	$16,740	532 Direct	-36.21%	Disposed	155.0% (price as of 2026-08-20)
Sept. 1, 2010	MTX	M	834	—	—	834 Direct	—	Acquired	(price as of 2026-08-20)
Jan. 27, 2010	MTX	A	5,000	—	—	7,500 Direct	+200.00%	Acquired	(price as of 2026-08-20)
Jan. 27, 2010	MTX	A	10,000	—	—	15,000 Direct	+200.00%	Acquired	(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
Jan. 25, 2015	MTX	Deferred Restricted Stock Units (DRSUs)	Common Stock (3,434)	—	—	3,434	Disposed
Jan. 22, 2015	MTX	Deferred Restricted Stock Units (DRSUs)	Common Stock (2,197)	—	—	2,197	Disposed
Jan. 22, 2015	MTX	Deferred Restricted Stock Units (DRSUs)	Common Stock (2,939)	—	—	2,939	Disposed
Jan. 20, 2015	MTX	Deferred Restricted Stock Units (DRSUs)	Common Stock (21,730)	—	—	21,730	Acquired
Jan. 20, 2015	MTX	Employee Stock Option (Right to Buy)	Common Stock (11,912)	$60.18	Jan. 20, 2025	11,912	Acquired
Jan. 27, 2014	MTX	Deferred Restricted Stock Units (DRSUs)	Common Stock (3,164)	—	—	3,164	Disposed
Jan. 27, 2014	MTX	Deferred Restricted Stock Units (DRSUs)	Common Stock (3,434)	—	—	3,434	Disposed
Jan. 22, 2014	MTX	Deferred Restricted Stock Units ("DRSUs")	Common Stock (6,590)	—	—	6,590	Acquired
Jan. 22, 2014	MTX	Employee Stock Option (Right to Buy)	Common Stock (12,608)	$57.96	Jan. 22, 2024	12,608	Acquired
Jan. 22, 2014	MTX	Deferred Restricted Stock Units (DRSUs)	Common Stock (2,939)	—	—	2,939	Acquired
Jan. 22, 2014	MTX	Deferred Restricted Stock Units (DRSUs)	Common Stock (2,939)	—	—	2,939	Acquired
Jan. 28, 2013	MTX	DRSUs	Common Stock (3,332)	—	—	3,332	Disposed
Jan. 28, 2013	MTX	Deferred Restricted Stock Units (DRSUs)	Common Stock (3,164)	—	—	3,164	Disposed
Jan. 25, 2013	MTX	Deferred Restricted Stock Units (DRSUs)	Common Stock (3,436)	—	—	3,436	Disposed
Jan. 22, 2013	MTX	Deferred Restricted Stock Units (DRSUs)	Common Stock (8,816)	—	—	8,816	Acquired
Jan. 22, 2013	MTX	Employee Stock Option (Right to Buy)	Common Stock (16,795)	$41.29	Jan. 22, 2023	16,795	Acquired
Sept. 4, 2012	MTX	Deferred Restricted Stock Units (DRSUs)	Common Stock (833)	—	—	833	Disposed
Jan. 27, 2012	MTX	Common Stock	Common Stock (1,667)	—	—	1,667	Disposed
Jan. 26, 2012	MTX	Common Stock	Common Stock (1,583)	—	—	1,583	Disposed
Jan. 25, 2012	MTX	Deferred Restricted Stock Units (DRSU)	Common Stock (5,152)	—	—	5,152	Acquired
Jan. 25, 2012	MTX	Employee Stock Option (Right to Buy)	Common Stock (8,557)	$64.06	Jan. 25, 2022	8,557	Acquired
Sept. 1, 2011	MTX	Deferred Restricted Stock Units (DRSUs)	Common Stock (833)	—	—	833	Disposed
Jan. 27, 2011	MTX	Deferred Restricted Stock Units (DRSUs)	Common Stock (1,667)	—	—	1,667	Disposed
Jan. 26, 2011	MTX	Deferred Restricted Stock Units (DRSUs)	Common Stock (4,747)	—	—	4,747	Acquired
Jan. 26, 2011	MTX	Employee Stock Option (Right to Buy)	Common Stock (7,625)	$64.46	Jan. 26, 2021	7,625	Acquired
Sept. 1, 2010	MTX	Deferred Restricted Stock Units (DRSUs)	Common Stock (834)	—	—	834	Disposed
Jan. 27, 2010	MTX	Deferred Restricted Stock Units (DRSUs)	Common Stock (5,000)	—	—	5,000	Acquired
Jan. 27, 2010	MTX	Employee Stock Option (Right to Buy)	Common Stock (10,000)	$49.12	Jan. 27, 2020	10,000	Acquired

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

Initial ownership (Form 3) 3 holdings

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

Date	Ticker	Security	Shares	Ownership
Sept. 10, 2009	MTX	Common Stock	0	Direct
Sept. 10, 2009	MTX	Employee Stock Option (Right to Buy)→ Common Stock (5,000)	5,000	Direct
Sept. 10, 2009	MTX	Deffered Restricted Stock Units ("DRSUs")→ Common Stock (2,500)	2,500	Direct

Compensation (DEF 14A)

Matched by name from proxy statements (DEF 14A) — verify against the filing.

MTX

General Counsel

Fiscal year	Salary	Bonus	Stock awards	Option awards	Non-equity incentive	Pension change	Other	Total
2022	$587,136	—	$577,399	$344,647	$885,310	$56,638	$38,926	$2,490,055
2021	$572,021	—	$560,604	$280,298	$1,027,316	$38,766	$37,721	$2,516,726
2020	$570,099	—	$549,144	$274,569	$763,536	$72,767	$37,495	$2,267,610

Figures from the Summary Compensation Table of the company's proxy statement (DEF 14A). Compensation is not a recommendation.