William C Stivers
Insider
First SEC filing: Sept. 26, 2003 · Latest: Dec. 18, 2009
Insider at
Insider transactions
0 buys (P)
0 sells (S)
Net: $0
Price change vs current quote, split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| June 13, 2012 | MTX | A | 7 | · | · | 8,654 Direct | +0.08% | Acquired | (price as of 2026-10-02) |
| May 16, 2012 | MTX | A | 425 | · | · | 8,658 Direct | +5.16% | Acquired | (price as of 2026-10-02) |
| March 15, 2012 | MTX | A | 6 | · | · | 8,232 Direct | +0.07% | Acquired | (price as of 2026-10-02) |
| Feb. 27, 2012 | MTX | S | 1,900 | $66.62 | $126,578 | 100 Direct | -95.00% | Disposed | 99.4% (price as of 2026-10-02) |
| Dec. 15, 2011 | MTX | A | 7 | · | · | 8,226 Direct | +0.09% | Acquired | (price as of 2026-10-02) |
| Sept. 15, 2011 | MTX | A | 8 | · | · | 8,219 Direct | +0.10% | Acquired | (price as of 2026-10-02) |
| June 15, 2011 | MTX | A | 7 | · | · | 8,211 Direct | +0.09% | Acquired | (price as of 2026-10-02) |
| May 18, 2011 | MTX | A | 905 | · | · | 8,204 Direct | +12.40% | Acquired | (price as of 2026-10-02) |
| March 16, 2011 | MTX | A | 6 | · | · | 7,300 Direct | +0.08% | Acquired | (price as of 2026-10-02) |
| Dec. 16, 2010 | MTX | A | 6 | · | · | 7,294 Direct | +0.08% | Acquired | (price as of 2026-10-02) |
| Oct. 1, 2010 | MTX | A | 51 | · | · | 7,288 Direct | +0.70% | Acquired | (price as of 2026-10-02) |
| Sept. 16, 2010 | MTX | A | 6 | · | · | 7,237 Direct | +0.08% | Acquired | (price as of 2026-10-02) |
| June 16, 2010 | MTX | A | 7 | · | · | 7,231 Direct | +0.10% | Acquired | (price as of 2026-10-02) |
| May 19, 2010 | MTX | A | 982 | · | · | 7,224 Direct | +15.73% | Acquired | (price as of 2026-10-02) |
| March 17, 2010 | MTX | A | 6 | · | · | 6,242 Direct | +0.10% | Acquired | (price as of 2026-10-02) |
| Dec. 17, 2009 | MTX | A | 6 | · | · | 6,236 Direct | +0.10% | Acquired | (price as of 2026-10-02) |
| Sept. 17, 2009 | MTX | A | 6 | · | · | 6,230 Direct | +0.10% | Acquired | (price as of 2026-10-02) |
| June 17, 2009 | MTX | A | 8 | · | · | 6,224 Direct | +0.13% | Acquired | (price as of 2026-10-02) |
| May 20, 2009 | MTX | A | 1,360 | · | · | 6,216 Direct | +28.01% | Acquired | (price as of 2026-10-02) |
| March 18, 2009 | MTX | A | 7 | · | · | 4,856 Direct | +0.14% | Acquired | (price as of 2026-10-02) |
| Dec. 12, 2008 | MTX | A | 5 | · | · | 4,848 Direct | +0.10% | Acquired | (price as of 2026-10-02) |
| Sept. 17, 2008 | MTX | A | 4 | · | · | 4,843 Direct | +0.08% | Acquired | (price as of 2026-10-02) |
| June 6, 2008 | MTX | A | 3 | · | · | 4,839 Direct | +0.06% | Acquired | (price as of 2026-10-02) |
| May 28, 2008 | MTX | A | 754 | · | · | 4,836 Direct | +18.47% | Acquired | (price as of 2026-10-02) |
| March 19, 2008 | MTX | A | 3 | · | · | 4,082 Direct | +0.07% | Acquired | (price as of 2026-10-02) |
| Jan. 2, 2008 | MTX | A | 82 | · | · | 4,079 Direct | +2.05% | Acquired | (price as of 2026-10-02) |
| Dec. 14, 2007 | MTX | A | 3 | · | · | 3,997 Direct | +0.08% | Acquired | (price as of 2026-10-02) |
| Oct. 1, 2007 | MTX | A | 77 | · | · | 3,994 Direct | +1.97% | Acquired | (price as of 2026-10-02) |
| Sept. 17, 2007 | MTX | A | 3 | · | · | 3,917 Direct | +0.08% | Acquired | (price as of 2026-10-02) |
| July 2, 2007 | MTX | A | 78 | · | · | 3,914 Direct | +2.03% | Acquired | (price as of 2026-10-02) |
| June 8, 2007 | MTX | A | 3 | · | · | 3,835 Direct | +0.08% | Acquired | (price as of 2026-10-02) |
| May 23, 2007 | MTX | A | 500 | · | · | 3,832 Direct | +15.01% | Acquired | (price as of 2026-10-02) |
| April 2, 2007 | MTX | A | 84 | · | · | 3,332 Direct | +2.59% | Acquired | (price as of 2026-10-02) |
| March 20, 2007 | MTX | A | 3 | · | · | 3,249 Direct | +0.09% | Acquired | (price as of 2026-10-02) |
| March 15, 2007 | MTX | A | 24 | $61.28 | $1,471 | 3,246 Direct | +0.74% | Acquired | 116.8% (price as of 2026-10-02) |
| Jan. 3, 2007 | MTX | A | 63 | $59.76 | $3,765 | 3,222 Direct | +1.99% | Acquired | 122.3% (price as of 2026-10-02) |
| Dec. 15, 2006 | MTX | A | 3 | $58.40 | $175 | 3,159 Direct | +0.10% | Acquired | 127.5% (price as of 2026-10-02) |
| Oct. 2, 2006 | MTX | A | 71 | $52.51 | $3,728 | 3,156 Direct | +2.30% | Acquired | 153.0% (price as of 2026-10-02) |
| Sept. 15, 2006 | MTX | A | 3 | $52.32 | $157 | 3,085 Direct | +0.10% | Acquired | 153.9% (price as of 2026-10-02) |
| Aug. 10, 2006 | MTX | P | 500 | $49.47 | $24,735 | 2,000 Direct | +33.33% | Acquired | 168.6% (price as of 2026-10-02) |
| Aug. 10, 2006 | MTX | P | 500 | $49.49 | $24,745 | 1,500 Direct | +50.00% | Acquired | 168.5% (price as of 2026-10-02) |
| Aug. 10, 2006 | MTX | P | 500 | $49.53 | $24,765 | 1,000 Direct | +100.00% | Acquired | 168.2% (price as of 2026-10-02) |
| July 3, 2006 | MTX | A | 72 | $51.78 | $3,728 | 3,082 Direct | +2.39% | Acquired | 156.6% (price as of 2026-10-02) |
| June 9, 2006 | MTX | A | 3 | $56.79 | $170 | 3,010 Direct | +0.10% | Acquired | 133.9% (price as of 2026-10-02) |
| May 24, 2006 | MTX | A | 500 | $56.76 | $28,380 | 3,007 Direct | +19.94% | Acquired | 134.1% (price as of 2026-10-02) |
| April 3, 2006 | MTX | A | 64 | $58.30 | $3,731 | 2,507 Direct | +2.62% | Acquired | 127.9% (price as of 2026-10-02) |
| April 3, 2006 | MTX | A | 172 | $58.30 | $10,028 | 2,847 Direct | +6.43% | Acquired | 127.9% (price as of 2026-10-02) |
| March 21, 2006 | MTX | A | 2 | $58.05 | $116 | 2,443 Direct | +0.08% | Acquired | 128.9% (price as of 2026-10-02) |
| March 21, 2006 | MTX | A | 2 | $58.05 | $116 | 2,675 Direct | +0.07% | Acquired | 128.9% (price as of 2026-10-02) |
| Feb. 22, 2006 | MTX | A | 37 | $53.92 | $1,995 | 2,673 Direct | +1.40% | Acquired | 146.4% (price as of 2026-10-02) |
| Feb. 21, 2006 | MTX | A | 28 | $53.92 | $1,510 | 2,636 Direct | +1.07% | Acquired | 146.4% (price as of 2026-10-02) |
| Jan. 25, 2006 | MTX | A | 35 | $57.85 | $2,025 | 2,608 Direct | +1.36% | Acquired | 129.7% (price as of 2026-10-02) |
| Jan. 24, 2006 | MTX | A | 26 | $57.41 | $1,493 | 2,573 Direct | +1.02% | Acquired | 131.4% (price as of 2026-10-02) |
| Jan. 3, 2006 | MTX | A | 64 | $58.58 | $3,749 | 2,440 Direct | +2.69% | Acquired | 126.8% (price as of 2026-10-02) |
| Jan. 3, 2006 | MTX | A | 171 | $58.58 | $10,017 | 2,547 Direct | +7.20% | Acquired | 126.8% (price as of 2026-10-02) |
| Dec. 16, 2005 | MTX | A | 2 | $55.34 | $111 | 2,376 Direct | +0.08% | Acquired | 140.1% (price as of 2026-10-02) |
| Oct. 3, 2005 | MTX | A | 66 | $61.78 | $4,077 | 2,374 Direct | +2.86% | Acquired | 115.1% (price as of 2026-10-02) |
| Sept. 15, 2005 | MTX | A | 2 | $60.03 | $120 | 2,345 Direct | +0.09% | Acquired | 121.3% (price as of 2026-10-02) |
| July 1, 2005 | MTX | A | 61 | $61.78 | $3,769 | 2,307 Direct | +2.72% | Acquired | 115.1% (price as of 2026-10-02) |
| July 1, 2005 | MTX | A | 97 | $61.78 | $5,993 | 2,343 Direct | +4.32% | Acquired | 115.1% (price as of 2026-10-02) |
| June 28, 2005 | MTX | P | 500 | $59.69 | $29,845 | 500 Direct | · | Acquired | 122.6% (price as of 2026-10-02) |
| June 10, 2005 | MTX | A | 2 | $66.94 | $134 | 2,246 Direct | +0.09% | Acquired | 98.5% (price as of 2026-10-02) |
| May 25, 2005 | MTX | A | 500 | $66.95 | $33,475 | 2,244 Direct | +28.67% | Acquired | 98.4% (price as of 2026-10-02) |
| April 1, 2005 | MTX | A | 34 | $65.30 | $2,220 | 1,744 Direct | +1.99% | Acquired | 103.5% (price as of 2026-10-02) |
| March 15, 2005 | MTX | A | 1 | $63.45 | $63 | 1,710 Direct | +0.06% | Acquired | 109.4% (price as of 2026-10-02) |
| Jan. 3, 2005 | MTX | A | 34 | $66.18 | $2,250 | 1,708 Direct | +2.03% | Acquired | 100.8% (price as of 2026-10-02) |
| Dec. 16, 2004 | MTX | A | 1 | $66.43 | $66 | 1,674 Direct | +0.06% | Acquired | 100.0% (price as of 2026-10-02) |
| Oct. 1, 2004 | MTX | A | 38 | $59.18 | $2,249 | 1,673 Direct | +2.32% | Acquired | 124.5% (price as of 2026-10-02) |
| Sept. 16, 2004 | MTX | A | 1 | $56.54 | $57 | 1,635 Direct | +0.06% | Acquired | 135.0% (price as of 2026-10-02) |
| Sept. 16, 2004 | MTX | A | 1 | $56.54 | $57 | 1,635 Direct | +0.06% | Acquired | 135.0% (price as of 2026-10-02) |
| July 1, 2004 | MTX | A | 39 | $57.77 | $2,253 | 1,634 Direct | +2.45% | Acquired | 130.0% (price as of 2026-10-02) |
| June 11, 2004 | MTX | A | 1 | $59.14 | $59 | 1,595 Direct | +0.06% | Acquired | 124.7% (price as of 2026-10-02) |
| May 26, 2004 | MTX | A | 500 | $57.08 | $28,540 | 1,593 Direct | +45.75% | Acquired | 132.8% (price as of 2026-10-02) |
| May 26, 2004 | MTX | A | 500 | $57.08 | $28,540 | 1,578 Direct | +46.38% | Acquired | 132.8% (price as of 2026-10-02) |
| April 28, 2004 | MTX | A | 15 | $60.52 | $908 | 1,077 Direct | +1.41% | Acquired | 119.5% (price as of 2026-10-02) |
| April 27, 2004 | MTX | A | 15 | $60.40 | $906 | 1,078 Direct | +1.41% | Acquired | 120.0% (price as of 2026-10-02) |
| April 1, 2004 | MTX | A | 16 | $58.05 | $929 | 1,062 Direct | +1.53% | Acquired | 128.9% (price as of 2026-10-02) |
| April 1, 2004 | MTX | A | 55 | $57.10 | $3,140 | 1,046 Direct | +5.55% | Acquired | 132.7% (price as of 2026-10-02) |
| March 15, 2004 | MTX | A | 1 | $55.81 | $56 | 992 Direct | +0.10% | Acquired | 138.1% (price as of 2026-10-02) |
| Feb. 25, 2004 | MTX | A | 46 | $54.18 | $2,492 | 991 Direct | +4.87% | Acquired | 145.2% (price as of 2026-10-02) |
| Feb. 25, 2004 | MTX | A | 15 | $53.73 | $806 | 945 Direct | +1.61% | Acquired | 147.3% (price as of 2026-10-02) |
| Jan. 2, 2004 | MTX | A | 16 | $59.37 | $950 | 871 Direct | +1.87% | Acquired | 123.8% (price as of 2026-10-02) |
| Jan. 2, 2004 | MTX | A | 53 | $59.25 | $3,140 | 855 Direct | +6.61% | Acquired | 124.2% (price as of 2026-10-02) |
| Dec. 18, 2003 | MTX | A | 0 | $58.68 | · | 803 Direct | 0.00% | Acquired | 126.4% (price as of 2026-10-02) |
| Dec. 3, 2003 | MTX | A | 37 | $54.73 | $2,025 | 802 Direct | +4.84% | Acquired | 142.8% (price as of 2026-10-02) |
| Oct. 23, 2003 | MTX | A | 15 | $51.46 | $772 | 766 Direct | +2.00% | Acquired | 158.2% (price as of 2026-10-02) |
| Oct. 23, 2003 | MTX | A | 48 | $52.24 | $2,508 | 751 Direct | +6.83% | Acquired | 154.3% (price as of 2026-10-02) |
| Oct. 1, 2003 | MTX | A | 16 | $51.50 | $824 | 703 Direct | +2.33% | Acquired | 158.0% (price as of 2026-10-02) |
| Oct. 1, 2003 | MTX | A | 54 | $50.90 | $2,749 | 687 Direct | +8.53% | Acquired | 161.0% (price as of 2026-10-02) |
| Sept. 25, 2003 | MTX | A | 101 | $51.82 | $5,234 | 101 Direct | · | Acquired | 156.4% (price as of 2026-10-02) |
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 |
|---|---|---|---|---|---|---|---|
| June 13, 2012 | MTX | Phantom Stock Units | Common Stock | · | · | 7 | Acquired |
| May 16, 2012 | MTX | Phantom Stock Units | Common Stock | · | · | 425 | Acquired |
| March 15, 2012 | MTX | Phantom Stock Units | Common Stock | · | · | 6 | Acquired |
| Dec. 15, 2011 | MTX | Phantom Stock Units | Common Stock | · | · | 7 | Acquired |
| Sept. 15, 2011 | MTX | Phantom Stock Units | Common Stock | · | · | 8 | Acquired |
| June 15, 2011 | MTX | Phantom Stock Units | Common Stock | · | · | 7 | Acquired |
| May 18, 2011 | MTX | Phantom Stock Units | Common Stock | · | · | 905 | Acquired |
| March 16, 2011 | MTX | Phantom Stock Units | Common Stock | · | · | 6 | Acquired |
| Dec. 16, 2010 | MTX | Phantom Stock Units | Common Stock | · | · | 6 | Acquired |
| Oct. 1, 2010 | MTX | Phantom Stock Units | Common Stock | · | · | 51 | Acquired |
| Sept. 16, 2010 | MTX | Phantom Stock Units | Common Stock | · | · | 6 | Acquired |
| June 16, 2010 | MTX | Phantom Stock Units | Common Stock | · | · | 7 | Acquired |
| May 19, 2010 | MTX | Phantom Stock Units | Common Stock | · | · | 982 | Acquired |
| March 17, 2010 | MTX | Phantom Stock Units | Common Stock | · | · | 6 | Acquired |
| Dec. 17, 2009 | MTX | Phantom Stock Units | Common Stock | · | · | 6 | Acquired |
| Sept. 17, 2009 | MTX | Phantom Stock Units | Common Stock | · | · | 6 | Acquired |
| June 17, 2009 | MTX | Phantom Stock Units | Common Stock | · | · | 8 | Acquired |
| May 20, 2009 | MTX | Phantom Stock Units | Common Stock | · | · | 1,360 | Acquired |
| March 18, 2009 | MTX | Phantom Stock Units | Common Stock | · | · | 7 | Acquired |
| Dec. 12, 2008 | MTX | Phantom Stock Units | Common Stock | · | · | 5 | Acquired |
| Sept. 17, 2008 | MTX | Phantom Stock Units | Common Stock | · | · | 4 | Acquired |
| June 6, 2008 | MTX | Phantom Stock Units | Common Stock | · | · | 3 | Acquired |
| May 28, 2008 | MTX | Phantom Stock Units | Common Stock | · | · | 754 | Acquired |
| March 19, 2008 | MTX | Phantom Stock Units | Common Stock | · | · | 3 | Acquired |
| Jan. 2, 2008 | MTX | Phantom Stock Units | Common Stock | · | · | 82 | Acquired |
| Dec. 14, 2007 | MTX | Phantom Stock Units | Common Stock | · | · | 3 | Acquired |
| Oct. 1, 2007 | MTX | Phantom Stock Units | Common Stock | · | · | 77 | Acquired |
| Sept. 17, 2007 | MTX | Phantom Stock Units | Common Stock | · | · | 3 | Acquired |
| July 2, 2007 | MTX | Phantom Stock Units | Common Stock | · | · | 78 | Acquired |
| June 8, 2007 | MTX | Phantom Stock Units | Common Stock | · | · | 3 | Acquired |
| May 23, 2007 | MTX | PHANTOM STOCK UNITS | COMMON STOCK | · | · | 500 | Acquired |
| April 2, 2007 | MTX | Phantom Stock Units | Common Stock | · | · | 84 | Acquired |
| March 20, 2007 | MTX | Phantom Stock Units | Common Stock | · | · | 3 | Acquired |
| March 15, 2007 | MTX | Phantom Stock Units | Common Stock | · | · | 24 | Acquired |
| Jan. 3, 2007 | MTX | PHANTOM STOCK UNITS | COMMON STOCK | · | · | 63 | Acquired |
| Dec. 15, 2006 | MTX | PHANTOM STOCK UNITS | COMMON STOCK | · | · | 3 | Acquired |
| Oct. 2, 2006 | MTX | PHANTOM STOCK UNITS | COMMON STOCK | · | · | 71 | Acquired |
| Sept. 15, 2006 | MTX | PHANTOM STOCK UNITS | COMMON STOCK | · | · | 3 | Acquired |
| July 3, 2006 | MTX | PHANTOM STOCK UNITS | COMMON STOCK | · | · | 72 | Acquired |
| June 9, 2006 | MTX | PHANTOM STOCK UNITS | COMMON STOCK | · | · | 3 | Acquired |
| May 24, 2006 | MTX | PHANTOM STOCK UNITS | COMMON STOCK | · | · | 500 | Acquired |
| April 3, 2006 | MTX | PHANTOM STOCK UNITS | COMMON STOCK | · | · | 64 | Acquired |
| April 3, 2006 | MTX | PHANTOM STOCK UNITS | COMMON STOCK | · | · | 172 | Acquired |
| March 21, 2006 | MTX | PHANTOM STOCK UNITS | COMMON STOCK | · | · | 2 | Acquired |
| March 21, 2006 | MTX | PHANTOM STOCK UNITS | COMMON STOCK | · | · | 2 | Acquired |
| Feb. 22, 2006 | MTX | PHANTOM STOCK UNITS | COMMON STOCK | · | · | 37 | Acquired |
| Feb. 21, 2006 | MTX | PHANTOM STOCK UNITS | COMMON STOCK | · | · | 28 | Acquired |
| Jan. 25, 2006 | MTX | PHANTOM STOCK UNITS | COMMON STOCK | · | · | 35 | Acquired |
| Jan. 24, 2006 | MTX | PHANTOM STOCK UNITS | COMMON STOCK | · | · | 26 | Acquired |
| Jan. 3, 2006 | MTX | PHANTOM STOCK UNITS | COMMON STOCK | · | · | 64 | Acquired |
| Jan. 3, 2006 | MTX | PHANTOM STOCK UNITS | COMMON STOCK | · | · | 171 | Acquired |
| Dec. 16, 2005 | MTX | PHANTOM STOCK UNITS | COMMON STOCK | · | · | 2 | Acquired |
| Oct. 3, 2005 | MTX | PHANTOM STOCK UNITS | COMMON STOCK | · | · | 66 | Acquired |
| Sept. 15, 2005 | MTX | PHANTOM STOCK UNITS | COMMON STOCK | · | · | 2 | Acquired |
| July 1, 2005 | MTX | PHANTOM STOCK UNITS | COMMON STOCK | · | · | 61 | Acquired |
| July 1, 2005 | MTX | PHANTOM STOCK UNITS | COMMON STOCK | · | · | 97 | Acquired |
| June 10, 2005 | MTX | PHANTOM STOCK UNITS | COMMON STOCK | · | · | 2 | Acquired |
| May 25, 2005 | MTX | PHANTOM STOCK UNITS | COMMON STOCK | · | · | 500 | Acquired |
| April 1, 2005 | MTX | PHANTOM STOCK UNITS | COMMON STOCK | · | · | 34 | Acquired |
| March 15, 2005 | MTX | PHANTOM STOCK UNITS | COMMON STOCK | · | · | 1 | Acquired |
| Jan. 3, 2005 | MTX | PHANTOM STOCK UNITS | COMMON STOCK | · | · | 34 | Acquired |
| Dec. 16, 2004 | MTX | PHANTOM STOCK UNITS | COMMON STOCK | · | · | 1 | Acquired |
| Oct. 1, 2004 | MTX | PHANTOM STOCK UNITS | COMMON STOCK | · | · | 38 | Acquired |
| Sept. 16, 2004 | MTX | PHANTOM STOCK | COMMON STOCK | · | Sept. 16, 2004 | 1 | Acquired |
| Sept. 16, 2004 | MTX | COMMON STOCK | COMMON STOCK | · | Sept. 16, 2004 | 1 | Acquired |
| July 1, 2004 | MTX | PHANTOM STOCK UNITS | COMMON STOCK | · | · | 39 | Acquired |
| June 11, 2004 | MTX | PHANTOM STOCK UNITS | COMMON STOCK | · | · | 1 | Acquired |
| May 26, 2004 | MTX | PHANTOM STOCK UNITS | COMMON STOCK | · | · | 500 | Acquired |
| May 26, 2004 | MTX | PHANTOM STOCK UNITS | COMMON STOCK | · | · | 500 | Acquired |
| April 28, 2004 | MTX | PHANTOM STOCK UNITS | COMMON STOCK | · | · | 15 | Acquired |
| April 27, 2004 | MTX | PHANTOM STOCK UNITS | COMMON STOCK | · | · | 15 | Acquired |
| April 1, 2004 | MTX | PHANTOM STOCK UNITS | COMMON STOCK | · | · | 16 | Acquired |
| April 1, 2004 | MTX | PHANTOM STOCK UNITS | COMMON STOCK | · | · | 55 | Acquired |
| March 15, 2004 | MTX | PHANTOM STOCK UNITS | COMMON STOCK | · | · | 1 | Acquired |
| Feb. 25, 2004 | MTX | PHANTOM STOCK UNITS | COMMON STOCK | · | · | 46 | Acquired |
| Feb. 25, 2004 | MTX | PHANTOM STOCK UNITS | COMMON STOCK | · | · | 15 | Acquired |
| Jan. 2, 2004 | MTX | PHANTOM STOCK UNITS | COMMON STOCK | · | · | 16 | Acquired |
| Jan. 2, 2004 | MTX | PHANTOM STOCK UNITS | COMMON STOCK | · | · | 53 | Acquired |
| Dec. 18, 2003 | MTX | PHANTOM STOCK UNITS | COMMON STOCK | · | · | 0 | Acquired |
| Dec. 3, 2003 | MTX | PHANTOM STOCK UNITS | COMMON STOCK | · | · | 37 | Acquired |
| Oct. 23, 2003 | MTX | PHANTOM STOCK UNITS | COMMON STOCK | · | · | 15 | Acquired |
| Oct. 23, 2003 | MTX | PHANTOM STOCK UNITS | COMMON STOCK | · | · | 48 | Acquired |
| Oct. 1, 2003 | MTX | PHANTOM STOCK UNITS | COMMON STOCK | · | Aug. 8, 1988 | 16 | Acquired |
| Oct. 1, 2003 | MTX | PHANTOM STOCK UNITS | COMMON STOCK | · | · | 54 | Acquired |
| Sept. 25, 2003 | MTX | PHANTOM STOCK UNITS | COMMON STOCK | · | Aug. 8, 1988 | 101 | 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 |
|---|---|---|---|---|
| Sept. 26, 2003 | MTX | COMMON STOCK | 0 | Direct |