Gordon Borteck

CIK 1176517 · View on SEC EDGAR ↗

Insider

First SEC filing: April 2, 2004 · Latest: March 25, 2008

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Insider at

Insider transactions

0 buys (P) 0 sells (S) Net: $0 + 53 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

53 other filings hidden
Date Ticker Code Shares Price Value Owned after Δ own A/D vs now
March 25, 2008 MTX S 2,134 $63.23 $134,933 4,656 Direct -31.43% Disposed 130.6% (price as of 2026-08-19)
March 25, 2008 MTX S 1,133 $63.23 $71,640 4,656 Direct -19.57% Disposed 130.6% (price as of 2026-08-19)
March 14, 2008 MTX S 1,500 $60.76 $91,140 4,656 Direct -24.37% Disposed 140.0% (price as of 2026-08-19)
Feb. 6, 2008 MTX S 1,127 $60.29 $67,947 0 Indirect -100.00% Disposed 141.9% (price as of 2026-08-19)
Dec. 5, 2007 MTX S 965 $66.83 $64,491 0 Indirect -100.00% Disposed 118.2% (price as of 2026-08-19)
Oct. 31, 2007 MTX S 1,500 $69.83 $104,745 2,805 Direct -34.84% Disposed 108.8% (price as of 2026-08-19)
Oct. 31, 2007 MTX S 2,267 $69.83 $158,305 2,805 Direct -44.70% Disposed 108.8% (price as of 2026-08-19)
Oct. 31, 2007 MTX S 5,400 $69.83 $377,082 2,805 Direct -65.81% Disposed 108.8% (price as of 2026-08-19)
Oct. 31, 2007 MTX S 4,000 $69.83 $279,320 2,805 Direct -58.78% Disposed 108.8% (price as of 2026-08-19)
Oct. 31, 2007 MTX S 552 $69.83 $38,546 2,805 Direct -16.44% Disposed 108.8% (price as of 2026-08-19)
Oct. 31, 2007 MTX S 6,000 $69.83 $418,980 2,805 Direct -68.14% Disposed 108.8% (price as of 2026-08-19)
May 16, 2007 MTX S 1,498 $66.76 $100,006 974 Indirect -60.60% Disposed 118.4% (price as of 2026-08-19)
March 23, 2007 MTX S 3,832 $63.84 $244,635 2,805 Direct -57.74% Disposed 128.4% (price as of 2026-08-19)
Nov. 11, 2004 MTX S 1,440 $63.01 $90,734 1,500 Direct -48.98% Disposed 131.4% (price as of 2026-08-19)
April 1, 2004 MTX S 3,100 $57.10 $177,010 1,000 Direct -75.61% Disposed 155.4% (price as of 2026-08-19)
April 1, 2004 MTX S 3,200 $57.10 $182,720 1,000 Direct -76.19% Disposed 155.4% (price as of 2026-08-19)
April 1, 2004 MTX S 900 $57.28 $51,552 4,200 Direct -17.65% Disposed 154.6% (price as of 2026-08-19)

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
March 25, 2008 MTX Employee Stock Option (Right to Buy) Common Stock (2,134) $61.56 Feb. 28, 2017 2,134 Disposed
March 25, 2008 MTX Employee Stock Option (Right to Buy) Common Stock (1,133) $61.94 Feb. 23, 2015 1,133 Disposed
March 14, 2008 MTX Employee Stock Option (Right to Buy) Common Stock (1,500) $54.23 Feb. 22, 2016 1,500 Disposed
Feb. 28, 2008 MTX Deferred Restricted Stock Units ("DRSUs") Common Stock (1,334) — — 1,334 Disposed
Feb. 22, 2008 MTX Deferred Restricted Stock Units ("DRSUs") Common Stock (967) — — 967 Disposed
Oct. 31, 2007 MTX Employee Stock Option (Right to Buy) Common Stock (1,500) $54.23 Feb. 22, 2016 1,500 Disposed
Oct. 31, 2007 MTX Employee Stock Option (Right to Buy) Common Stock (2,267) $61.94 Feb. 23, 2015 2,267 Disposed
Oct. 31, 2007 MTX Employee Stock Option (Right to Buy) Common Stock (5,400) $53.90 Feb. 25, 2014 5,400 Disposed
Oct. 31, 2007 MTX Employee Stock Option (Right to Buy) Common Stock (4,000) $49.12 July 1, 2013 4,000 Disposed
Oct. 31, 2007 MTX Employee Stock Option (Right to Buy) Common Stock (522) $46.63 Jan. 24, 2012 522 Disposed
Oct. 31, 2007 MTX Employee Stock Option (Right to Buy) Common Stock (6,000) $34.83 March 16, 2011 6,000 Disposed
March 23, 2007 MTX Employee Stock Option (Right to Buy) Common Stock (3,832) $39.53 Jan. 28, 2009 3,832 Disposed
Feb. 28, 2007 MTX Deferred Restricted Stock Units ("DRSUs") Common Stock (4,000) — — 4,000 Acquired
Feb. 28, 2007 MTX Employee Stock Option (Right to Buy) Common Stock (6,400) $61.56 Feb. 28, 2017 6,400 Acquired
Feb. 22, 2007 MTX Deferred Restricted Stock Units ("DRSUs") Common Stock (967) — — 967 Disposed
Feb. 22, 2007 MTX Deferred Restricted Stock Units ("DRSUs") Common Stock (967) — — 967 Disposed
Feb. 22, 2006 MTX Employee Stock Option (Right to Buy) Common Stock (4,500) — Feb. 22, 2016 4,500 Acquired
Feb. 22, 2006 MTX Deferred Stock Common Stock (2,900) — — 2,900 Acquired
Feb. 22, 2006 MTX Employee Stock Option (Right to Buy) Common Stock (4,500) $53.79 Feb. 22, 2016 4,500 Acquired
May 5, 2005 MTX Employee Stock Option (Right to Buy) Common Stock (1,600) $39.53 Jan. 28, 2009 1,600 Disposed
Feb. 23, 2005 MTX Deferred Stock Common Stock (2,300) — — 2,300 Acquired
Feb. 23, 2005 MTX Employee Stock Option (Right to Buy) Common Stock (3,400) $61.94 — 3,400 Acquired
Nov. 11, 2004 MTX EMPLOYEE STOCK OPTION (RIGHT TO BUY) COMMON STOCK (1,940) $39.53 — 1,940 Disposed
April 1, 2004 MTX EMPLOYEE STOCK OPTION (RIGHT TO BUY) COMMON STOCK (4,100) $39.53 — 4,100 Disposed
April 1, 2004 MTX EMPLOYEE STOCK OPTION (RIGHT TO BUY) COMMON STOCK (5,100) $39.53 — 5,100 Disposed
Feb. 25, 2004 MTX DEFERRED STOCK COMMON STOCK (1,900) — Feb. 25, 2009 1,900 Acquired
Feb. 25, 2004 MTX EMPLOYEE STOCK OPTION (RIGHT TO BUY) COMMON STOCK (5,400) $53.89 — 5,400 Acquired
Dec. 31, 2003 MTX PHANTOM STOCK UNITS COMMON STOCK (32) — — 32 Acquired
Nov. 5, 2003 MTX DEFERRED STOCK [F1] COMMON STOCK (1,600) — — 1,600 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
April 2, 2004 MTX EMPLOYEE STOCK OPTION (RIGHT TO BUY)→ COMMON STOCK — Direct