Brett Argirakis
Insider
First SEC filing: Jan. 23, 2017 · Latest: Jan. 27, 2026
Insider at
Insider transactions
0 buys (P)
1 sells (S)
Net: $-381,479
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 |
|---|---|---|---|---|---|---|---|---|---|
| Jan. 26, 2026 | MTX | M | 2,672 | · | · | 21,572 Direct | -11.02% | Disposed | (price as of 2026-10-05) |
| Jan. 26, 2026 | MTX | F | 1,163 | $68.89 | $80,119 | 32,600 Direct | -3.44% | Disposed | -3.9% (price as of 2026-10-05) |
| Jan. 26, 2026 | MTX | M | 2,672 | · | · | 33,763 Direct | +8.59% | Acquired | (price as of 2026-10-05) |
| Jan. 23, 2026 | MTX | M | 3,247 | · | · | 24,244 Direct | -11.81% | Disposed | (price as of 2026-10-05) |
| Jan. 23, 2026 | MTX | F | 1,413 | $68.77 | $97,172 | 31,091 Direct | -4.35% | Disposed | -3.7% (price as of 2026-10-05) |
| Jan. 23, 2026 | MTX | M | 3,247 | · | · | 32,504 Direct | +11.10% | Acquired | (price as of 2026-10-05) |
| Jan. 21, 2026 | MTX | M | 3,112 | · | · | 27,491 Direct | -10.17% | Disposed | (price as of 2026-10-05) |
| Jan. 21, 2026 | MTX | F | 1,457 | $66.92 | $97,502 | 29,257 Direct | -4.74% | Disposed | -1.0% (price as of 2026-10-05) |
| Jan. 21, 2026 | MTX | M | 3,112 | · | · | 30,714 Direct | +11.27% | Acquired | (price as of 2026-10-05) |
| Jan. 20, 2026 | MTX | A | 10,393 | · | · | 10,393 Direct | · | Acquired | (price as of 2026-10-05) |
| Jan. 20, 2026 | MTX | A | 12,101 | · | · | 30,603 Direct | +65.40% | Acquired | (price as of 2026-10-05) |
| Nov. 21, 2025 | MTX | M | 6,501 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-05) |
| Nov. 21, 2025 | MTX | S | 6,501 | $58.68 | $381,479 | 27,602 Direct | -19.06% | Disposed | 12.8% (price as of 2026-10-05) |
| Nov. 21, 2025 | MTX | M | 6,501 | $38.28 | $248,858 | 34,103 Direct | +23.55% | Acquired | 73.0% (price as of 2026-10-05) |
| Jan. 27, 2025 | MTX | M | 2,169 | · | · | 28,546 Direct | +8.22% | Acquired | (price as of 2026-10-05) |
| Jan. 27, 2025 | MTX | F | 944 | $76.19 | $71,923 | 27,602 Direct | -3.31% | Disposed | -13.1% (price as of 2026-10-05) |
| Jan. 27, 2025 | MTX | M | 2,169 | · | · | 18,502 Direct | -10.49% | Disposed | (price as of 2026-10-05) |
| Jan. 24, 2025 | MTX | M | 2,672 | · | · | 27,540 Direct | +10.74% | Acquired | (price as of 2026-10-05) |
| Jan. 24, 2025 | MTX | F | 1,163 | $75.68 | $88,016 | 26,377 Direct | -4.22% | Disposed | -12.5% (price as of 2026-10-05) |
| Jan. 24, 2025 | MTX | M | 2,672 | · | · | 20,671 Direct | -11.45% | Disposed | (price as of 2026-10-05) |
| Jan. 23, 2025 | MTX | M | 3,248 | · | · | 26,350 Direct | +14.06% | Acquired | (price as of 2026-10-05) |
| Jan. 23, 2025 | MTX | F | 1,482 | $75.65 | $112,113 | 24,868 Direct | -5.62% | Disposed | -12.5% (price as of 2026-10-05) |
| Jan. 23, 2025 | MTX | M | 3,248 | · | · | 23,343 Direct | -12.21% | Disposed | (price as of 2026-10-05) |
| Jan. 21, 2025 | MTX | A | 9,336 | · | · | 26,591 Direct | +54.11% | Acquired | (price as of 2026-10-05) |
| Jan. 21, 2025 | MTX | A | 8,018 | · | · | 8,018 Direct | · | Acquired | (price as of 2026-10-05) |
| June 17, 2024 | MTX | M | 2,630 | $60.18 | $158,273 | 25,361 Direct | +11.57% | Acquired | 10.0% (price as of 2026-10-05) |
| June 17, 2024 | MTX | S | 2,259 | $83.95 | $189,643 | 23,102 Direct | -8.91% | Disposed | -21.1% (price as of 2026-10-05) |
| June 17, 2024 | MTX | M | 2,630 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-05) |
| Jan. 26, 2024 | MTX | M | 1,966 | · | · | 23,595 Direct | +9.09% | Acquired | (price as of 2026-10-05) |
| Jan. 26, 2024 | MTX | F | 864 | $66.50 | $57,456 | 22,731 Direct | -3.66% | Disposed | -0.4% (price as of 2026-10-05) |
| Jan. 26, 2024 | MTX | M | 1,966 | · | · | 17,255 Direct | -10.23% | Disposed | (price as of 2026-10-05) |
| Jan. 25, 2024 | MTX | M | 2,169 | · | · | 22,583 Direct | +10.63% | Acquired | (price as of 2026-10-05) |
| Jan. 25, 2024 | MTX | F | 954 | $66.09 | $63,050 | 21,629 Direct | -4.22% | Disposed | 0.2% (price as of 2026-10-05) |
| Jan. 25, 2024 | MTX | M | 2,169 | · | · | 19,221 Direct | -10.14% | Disposed | (price as of 2026-10-05) |
| Jan. 24, 2024 | MTX | M | 2,672 | · | · | 21,683 Direct | +14.06% | Acquired | (price as of 2026-10-05) |
| Jan. 24, 2024 | MTX | F | 1,269 | $66.10 | $83,881 | 20,414 Direct | -5.85% | Disposed | 0.2% (price as of 2026-10-05) |
| Jan. 24, 2024 | MTX | M | 2,672 | · | · | 21,390 Direct | -11.10% | Disposed | (price as of 2026-10-05) |
| Jan. 23, 2024 | MTX | A | 9,742 | · | · | 24,062 Direct | +68.03% | Acquired | (price as of 2026-10-05) |
| Jan. 23, 2024 | MTX | A | 8,367 | · | · | 8,367 Direct | · | Acquired | (price as of 2026-10-05) |
| Dec. 14, 2023 | MTX | M | 2,655 | $57.96 | $153,884 | 21,666 Direct | +13.97% | Acquired | 14.3% (price as of 2026-10-05) |
| Dec. 14, 2023 | MTX | S | 2,655 | $66.84 | $177,460 | 19,011 Direct | -12.25% | Disposed | -0.9% (price as of 2026-10-05) |
| Dec. 14, 2023 | MTX | M | 2,655 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-05) |
| Jan. 26, 2023 | MTX | M | 1,966 | · | · | 19,875 Direct | +10.98% | Acquired | (price as of 2026-10-05) |
| Jan. 26, 2023 | MTX | F | 864 | $67.56 | $58,372 | 19,011 Direct | -4.35% | Disposed | -2.0% (price as of 2026-10-05) |
| Jan. 26, 2023 | MTX | M | 1,966 | · | · | 14,320 Direct | -12.07% | Disposed | (price as of 2026-10-05) |
| Jan. 25, 2023 | MTX | M | 2,169 | · | · | 18,859 Direct | +13.00% | Acquired | (price as of 2026-10-05) |
| Jan. 25, 2023 | MTX | F | 950 | $66.42 | $63,099 | 17,909 Direct | -5.04% | Disposed | -0.3% (price as of 2026-10-05) |
| Jan. 25, 2023 | MTX | M | 2,169 | · | · | 16,286 Direct | -11.75% | Disposed | (price as of 2026-10-05) |
| Jan. 24, 2023 | MTX | A | 8,016 | · | · | 18,455 Direct | +76.79% | Acquired | (price as of 2026-10-05) |
| Jan. 24, 2023 | MTX | A | 13,768 | · | · | 13,768 Direct | · | Acquired | (price as of 2026-10-05) |
| Jan. 23, 2023 | MTX | M | 1,942 | · | · | 17,636 Direct | +12.37% | Acquired | (price as of 2026-10-05) |
| Jan. 23, 2023 | MTX | F | 946 | $66.17 | $62,597 | 16,690 Direct | -5.36% | Disposed | 0.1% (price as of 2026-10-05) |
| Jan. 23, 2023 | MTX | M | 1,942 | · | · | 10,439 Direct | -15.69% | Disposed | (price as of 2026-10-05) |
| Dec. 20, 2022 | MTX | M | 927 | $41.29 | $38,276 | 16,621 Direct | +5.91% | Acquired | 60.4% (price as of 2026-10-05) |
| Dec. 20, 2022 | MTX | S | 927 | $60.03 | $55,648 | 15,694 Direct | -5.58% | Disposed | 10.3% (price as of 2026-10-05) |
| Dec. 20, 2022 | MTX | M | 927 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-05) |
| Jan. 26, 2022 | MTX | M | 1,967 | · | · | 16,559 Direct | +13.48% | Acquired | (price as of 2026-10-05) |
| Jan. 26, 2022 | MTX | F | 865 | $70.62 | $61,086 | 15,694 Direct | -5.22% | Disposed | -6.2% (price as of 2026-10-05) |
| Jan. 26, 2022 | MTX | M | 1,967 | · | · | 12,381 Direct | -13.71% | Disposed | (price as of 2026-10-05) |
| Jan. 25, 2022 | MTX | A | 6,507 | · | · | 14,348 Direct | +82.99% | Acquired | (price as of 2026-10-05) |
| Jan. 25, 2022 | MTX | A | 11,176 | · | · | 11,176 Direct | · | Acquired | (price as of 2026-10-05) |
| Jan. 22, 2022 | MTX | M | 1,714 | · | · | 15,343 Direct | +12.58% | Acquired | (price as of 2026-10-05) |
| Jan. 22, 2022 | MTX | F | 751 | $70.26 | $52,765 | 14,592 Direct | -4.89% | Disposed | -5.8% (price as of 2026-10-05) |
| Jan. 22, 2022 | MTX | M | 1,714 | · | · | 7,841 Direct | -17.94% | Disposed | (price as of 2026-10-05) |
| Jan. 21, 2022 | MTX | M | 1,942 | · | · | 14,557 Direct | +15.39% | Acquired | (price as of 2026-10-05) |
| Jan. 21, 2022 | MTX | F | 928 | $71.48 | $66,333 | 13,629 Direct | -6.37% | Disposed | -7.4% (price as of 2026-10-05) |
| Jan. 21, 2022 | MTX | M | 1,942 | · | · | 9,555 Direct | -16.89% | Disposed | (price as of 2026-10-05) |
| Jan. 26, 2021 | MTX | A | 5,899 | · | · | 11,497 Direct | +105.38% | Acquired | (price as of 2026-10-05) |
| Jan. 26, 2021 | MTX | A | 10,132 | · | · | 10,132 Direct | · | Acquired | (price as of 2026-10-05) |
| Jan. 25, 2021 | MTX | F | 441 | $65.93 | $29,075 | 12,615 Direct | -3.38% | Disposed | 0.4% (price as of 2026-10-05) |
| Jan. 23, 2021 | MTX | M | 1,002 | · | · | 13,056 Direct | +8.31% | Acquired | (price as of 2026-10-05) |
| Jan. 23, 2021 | MTX | M | 1,002 | · | · | 5,598 Direct | -15.18% | Disposed | (price as of 2026-10-05) |
| Jan. 22, 2021 | MTX | M | 1,715 | · | · | 12,804 Direct | +15.47% | Acquired | (price as of 2026-10-05) |
| Jan. 22, 2021 | MTX | F | 750 | $65.58 | $49,185 | 12,054 Direct | -5.86% | Disposed | 1.0% (price as of 2026-10-05) |
| Jan. 22, 2021 | MTX | M | 1,715 | · | · | 6,600 Direct | -20.63% | Disposed | (price as of 2026-10-05) |
| Jan. 21, 2021 | MTX | M | 1,943 | · | · | 12,022 Direct | +19.28% | Acquired | (price as of 2026-10-05) |
| Jan. 21, 2021 | MTX | F | 933 | $66.32 | $61,877 | 11,089 Direct | -7.76% | Disposed | -0.2% (price as of 2026-10-05) |
| Jan. 21, 2021 | MTX | M | 1,943 | · | · | 8,315 Direct | -18.94% | Disposed | (price as of 2026-10-05) |
| Jan. 23, 2020 | MTX | M | 1,002 | · | · | 10,515 Direct | +10.53% | Acquired | (price as of 2026-10-05) |
| Jan. 23, 2020 | MTX | F | 436 | $56.74 | $24,739 | 10,079 Direct | -4.15% | Disposed | 16.7% (price as of 2026-10-05) |
| Jan. 23, 2020 | MTX | M | 1,002 | · | · | 10,258 Direct | -8.90% | Disposed | (price as of 2026-10-05) |
| Jan. 22, 2020 | MTX | M | 1,715 | · | · | 10,303 Direct | +19.97% | Acquired | (price as of 2026-10-05) |
| Jan. 22, 2020 | MTX | F | 790 | $57.38 | $45,330 | 9,513 Direct | -7.67% | Disposed | 15.4% (price as of 2026-10-05) |
| Jan. 22, 2020 | MTX | M | 1,715 | · | · | 11,260 Direct | -13.22% | Disposed | (price as of 2026-10-05) |
| Jan. 21, 2020 | MTX | A | 10,008 | · | · | 40,991 Direct | +32.30% | Acquired | (price as of 2026-10-05) |
| Jan. 21, 2020 | MTX | A | 5,827 | · | · | 12,975 Direct | +81.52% | Acquired | (price as of 2026-10-05) |
| Jan. 17, 2020 | MTX | M | 828 | · | · | 8,870 Direct | +10.30% | Acquired | (price as of 2026-10-05) |
| Jan. 17, 2020 | MTX | F | 282 | $58.87 | $16,601 | 8,588 Direct | -3.18% | Disposed | 12.5% (price as of 2026-10-05) |
| Jan. 17, 2020 | MTX | M | 828 | · | · | 7,148 Direct | -10.38% | Disposed | (price as of 2026-10-05) |
| Jan. 23, 2019 | MTX | M | 1,002 | · | · | 8,321 Direct | +13.69% | Acquired | (price as of 2026-10-05) |
| Jan. 23, 2019 | MTX | F | 279 | $53.82 | $15,016 | 8,042 Direct | -3.35% | Disposed | 23.0% (price as of 2026-10-05) |
| Jan. 23, 2019 | MTX | M | 1,002 | · | · | 7,976 Direct | -11.16% | Disposed | (price as of 2026-10-05) |
| Jan. 22, 2019 | MTX | F | 426 | $54.44 | $23,191 | 7,319 Direct | -5.50% | Disposed | 21.6% (price as of 2026-10-05) |
| Jan. 22, 2019 | MTX | A | 5,144 | · | · | 8,978 Direct | +134.17% | Acquired | (price as of 2026-10-05) |
| Jan. 22, 2019 | MTX | A | 8,835 | · | · | 30,983 Direct | +39.89% | Acquired | (price as of 2026-10-05) |
| Jan. 19, 2019 | MTX | M | 1,253 | · | · | 7,745 Direct | +19.30% | Acquired | (price as of 2026-10-05) |
| Jan. 19, 2019 | MTX | M | 1,253 | · | · | 3,834 Direct | -24.63% | Disposed | (price as of 2026-10-05) |
| Jan. 17, 2019 | MTX | M | 829 | · | · | 6,774 Direct | +13.94% | Acquired | (price as of 2026-10-05) |
| Jan. 17, 2019 | MTX | F | 282 | $53.64 | $15,126 | 6,492 Direct | -4.16% | Disposed | 23.5% (price as of 2026-10-05) |
| Jan. 17, 2019 | MTX | M | 829 | · | · | 5,087 Direct | -14.01% | Disposed | (price as of 2026-10-05) |
Showing latest 100 of 120 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 |
|---|---|---|---|---|---|---|---|
| Jan. 26, 2026 | MTX | Deferred Restricted Stock Units (DRSUs) | Common Stock | · | · | 2,672 | Disposed |
| Jan. 23, 2026 | MTX | Deferred Restricted Stock Units (DRSUs) | Common Stock | · | · | 3,247 | Disposed |
| Jan. 21, 2026 | MTX | Deferred Restricted Stock Units (DRSUs) | Common Stock | · | · | 3,112 | Disposed |
| Jan. 20, 2026 | MTX | Employee Stock Option (Right to Buy) | Common Stock | $66.23 | Jan. 20, 2036 | 10,393 | Acquired |
| Jan. 20, 2026 | MTX | Deferred Restricted Stock Units (DRSUs) | Common Stock | · | · | 12,101 | Acquired |
| Nov. 21, 2025 | MTX | EMPLOYEE Stock Option (Right to Buy) | Common Stock | $38.28 | Jan. 19, 2026 | 6,501 | Disposed |
| Jan. 27, 2025 | MTX | Deferred Restricted Stock Units (DRSUs) | Common Stock | · | · | 2,169 | Disposed |
| Jan. 24, 2025 | MTX | Deferred Restricted Stock Units (DRSUs) | Common Stock | · | · | 2,672 | Disposed |
| Jan. 23, 2025 | MTX | Deferred Restricted Stock Units (DRSUs) | Common Stock | · | · | 3,248 | Disposed |
| Jan. 21, 2025 | MTX | Deferred Restricted Stock Units (DRSUs) | Common Stock | · | · | 9,336 | Acquired |
| Jan. 21, 2025 | MTX | Employee Stock Option (Right to Buy) | Common Stock | $76.75 | Jan. 21, 2035 | 8,018 | Acquired |
| June 17, 2024 | MTX | Employee Stock Option (Right to Buy) | Common Stock | $60.18 | Jan. 20, 2025 | 2,630 | Disposed |
| Jan. 26, 2024 | MTX | Deferred Restricted Stock Units (DRSUs) | Common Stock | · | · | 1,966 | Disposed |
| Jan. 25, 2024 | MTX | Deferred Restricted Stock Units (DRSUs) | Common Stock | · | · | 2,169 | Disposed |
| Jan. 24, 2024 | MTX | Deferred Restricted Stock Units (DRSUs) | Common Stock | · | · | 2,672 | Disposed |
| Jan. 23, 2024 | MTX | Deferred Restricted Stock Units (DRSUs) | Common Stock | · | · | 9,742 | Acquired |
| Jan. 23, 2024 | MTX | Employee Stock Option (Right to Buy) | Common Stock | $66.72 | Jan. 23, 2034 | 8,367 | Acquired |
| Dec. 14, 2023 | MTX | Employee Stock Option (Right to Buy) | Common Stock | $57.96 | Jan. 22, 2024 | 2,655 | Disposed |
| Jan. 26, 2023 | MTX | Deferred Restricted Stock Units (DRSUs) | Common Stock | · | · | 1,966 | Disposed |
| Jan. 25, 2023 | MTX | Deferred Restricted Stock Units (DRSUs) | Common Stock | · | · | 2,169 | Disposed |
| Jan. 24, 2023 | MTX | Deferred Restricted Stock Units (DRSUs) | Common Stock | · | · | 8,016 | Acquired |
| Jan. 24, 2023 | MTX | Employee Stock Option (Right to Buy) | Common Stock | $66.08 | Jan. 24, 2033 | 13,768 | Acquired |
| Jan. 23, 2023 | MTX | Deferred Restricted Stock Units (DRSUs) | Common Stock | · | · | 1,942 | Disposed |
| Dec. 20, 2022 | MTX | Employee Stock Option (Right to Buy) | Common Stock | $41.29 | Jan. 22, 2023 | 927 | Disposed |
| Jan. 26, 2022 | MTX | Deferred Restricted Stock Units (DRSUs) | Common Stock | · | · | 1,967 | Disposed |
| Jan. 25, 2022 | MTX | Deferred Restricted Stock Units (DRSUs) | Common Stock | · | · | 6,507 | Acquired |
| Jan. 25, 2022 | MTX | Employee Stock Option (Right to Buy) | Common Stock | $69.81 | Jan. 25, 2032 | 11,176 | Acquired |
| Jan. 22, 2022 | MTX | Deferred Restricted Stock Units (DRSUs) | Common Stock | · | · | 1,714 | Disposed |
| Jan. 21, 2022 | MTX | Deferred Restricted Stock Units (DRSUs) | Common Stock | · | · | 1,942 | Disposed |
| Jan. 26, 2021 | MTX | Deferred Restricted Stock Units (DRSUs) | Common Stock | · | · | 5,899 | Acquired |
| Jan. 26, 2021 | MTX | Employee Stock Option (Right to Buy) | Common Stock | $66.00 | Jan. 26, 2031 | 10,132 | Acquired |
| Jan. 23, 2021 | MTX | Deferred Restricted Stock Units (DRSUs) | Common Stock | · | · | 1,002 | Disposed |
| Jan. 22, 2021 | MTX | Deferred Restricted Stock Units (DRSUs) | Common Stock | · | · | 1,715 | Disposed |
| Jan. 21, 2021 | MTX | Deferred Restricted Stock Units (DRSUs) | Common Stock | · | · | 1,943 | Disposed |
| Jan. 23, 2020 | MTX | Deferred Restricted Stock Units (DRSUs) | Common Stock | · | · | 1,002 | Disposed |
| Jan. 22, 2020 | MTX | Deferred Restricted Stock Units (DRSUs) | Common Stock | · | · | 1,715 | Disposed |
| Jan. 21, 2020 | MTX | Employee Stock Option (Right to Buy) | Common Stock | $57.66 | Jan. 21, 2030 | 10,008 | Acquired |
| Jan. 21, 2020 | MTX | Deferred Restricted Stock Units (DRSUs) | Common Stock | · | · | 5,827 | Acquired |
| Jan. 17, 2020 | MTX | Deferred Restricted Stock Units (DRSUs) | Common Stock | · | · | 828 | Disposed |
| Jan. 23, 2019 | MTX | Deferred Restricted Stock Units (DRSUs) | Common Stock | · | · | 1,002 | Disposed |
| Jan. 22, 2019 | MTX | Deferred Restricted Stock Units (DRSUs) | Common Stock | · | · | 5,144 | Acquired |
| Jan. 22, 2019 | MTX | Employee Stock Option (Right to Buy) | Common Stock | $54.44 | Jan. 22, 2029 | 8,835 | Acquired |
| Jan. 19, 2019 | MTX | Restricted Stock Unit | Common Stock | · | · | 1,253 | Disposed |
| Jan. 17, 2019 | MTX | Deferred Restricted Stock Units (DRSUs) | Common Stock | · | · | 829 | Disposed |
| Jan. 24, 2018 | MTX | Deferred Restricted Stock Units (DRSUs) | Common Stock | · | · | 3,006 | Acquired |
| Jan. 23, 2018 | MTX | Employee Stock Option (Right to Buy) | Common Stock | $76.38 | Jan. 23, 2028 | 5,164 | Acquired |
| Jan. 20, 2018 | MTX | Deferred Restricted Stock Units (DRSUs) | Common Stock | · | · | 498 | Disposed |
| Jan. 19, 2018 | MTX | Deferred Restricted Stock Units (DRSUs) | Common Stock | · | · | 1,254 | Disposed |
| Jan. 17, 2018 | MTX | Deferred Restricted Stock Units (DRSUs) | Common Stock | · | · | 829 | Disposed |
| Jan. 22, 2017 | MTX | Deferred Restricted Stock Units (DRSUs) | Common Stock | · | · | 460 | Disposed |
| Jan. 20, 2017 | MTX | Deferred Restricted Stock Units (DRSUs) | Common Stock | · | · | 498 | Disposed |
| Jan. 19, 2017 | MTX | Deferred Restricted Stock Units (DRSUs) | Common Stock | · | · | 1,254 | Disposed |
Exercise/conversion price is blank when not applicable (e.g. RSUs).
Initial ownership (Form 3) 11 holdings
Securities held when first becoming an insider, per SEC Form 3.
| Date | Ticker | Security | Shares | Ownership |
|---|---|---|---|---|
| Jan. 23, 2017 | MTX | Common Stock | 2,739 | Direct |
| Jan. 23, 2017 | MTX | Common Stock | 1,073 | Indirect |
| Jan. 23, 2017 | MTX | Employee Stock Option (Right to Buy) | 927 | Direct |
| Jan. 23, 2017 | MTX | Employee Stock Option (Right to Buy) | 2,655 | Direct |
| Jan. 23, 2017 | MTX | Employee Stock Option (Right to Buy) | 2,630 | Direct |
| Jan. 23, 2017 | MTX | Employee Stock Option (Right to Buy) | 6,501 | Direct |
| Jan. 23, 2017 | MTX | Employee Stock Option (Right to Buy) | 4,271 | Direct |
| Jan. 23, 2017 | MTX | Deferred Restricted Stock Units (DRSUs) | 460 | Direct |
| Jan. 23, 2017 | MTX | Deferred Restricted Stock Units (DRSUs) | 996 | Direct |
| Jan. 23, 2017 | MTX | Deferred Restricted Stock Units (DRSUs) | 2,507 | Direct |
| Jan. 23, 2017 | MTX | Deferred Restricted Stock Units (DRSUs) | 2,486 | Direct |
Compensation (DEF 14A)
Matched by name from proxy statements (DEF 14A) — verify against the filing.
| Fiscal year | Salary | Bonus | Stock awards | Option awards | Non-equity incentive | Pension change | Other | Total |
|---|---|---|---|---|---|---|---|---|
| 2023 | $597,662 | · | $529,657 | $345,754 | $850,506 | $374,086 | $40,359 | $2,738,024 |
Figures from the Summary Compensation Table of the company's proxy statement (DEF 14A). Compensation is not a recommendation.