DJ Monagle III, Group President at Minerals Technologies Inc ($MTX), sold open market shares once in the last year for a total of $1.43 million. His most recent MTX insider sale occurred on December 29, 2025. These sales rank 4,155th among 11,678 individual insiders, compared to an average of $8.6 million per person across about 6.4 transactions. Monagle made no open market purchases in the past 365 days.
| Transaction Date | Company | Ticker | Insider Name | Title | Transaction Type | Security | Shares | Price | Shares Owned Following | Total Shares Outstanding | % of Owned | % of Outstanding |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Jan. 26, 2026 | MINERALS TECHNOLOGIES INC | $MTX | MONAGLE DJ III | Group President | F | Common Stock | 1947 | $68.89 | 89,880.8540 | 32,299,999 | 2.12% | 0.01% |
| Jan. 26, 2026 | MINERALS TECHNOLOGIES INC | $MTX | MONAGLE DJ III | Group President | M | Deferred Restricted Stock Units (DRSUs) | 3519 | $0.00 | 23,282.0000 | 32,299,999 | 13.13% | 0.01% |
| Jan. 23, 2026 | MINERALS TECHNOLOGIES INC | $MTX | MONAGLE DJ III | Group President | M | Deferred Restricted Stock Units (DRSUs) | 3795 | $0.00 | 26,801.0000 | 32,299,999 | 12.40% | 0.01% |
| Jan. 26, 2026 | MINERALS TECHNOLOGIES INC | $MTX | MONAGLE DJ III | Group President | M | Common Stock | 3519 | $0.00 | 91,827.8540 | 32,299,999 | 3.98% | 0.01% |
| Jan. 23, 2026 | MINERALS TECHNOLOGIES INC | $MTX | MONAGLE DJ III | Group President | M | Common Stock | 3795 | $0.00 | 90,407.8540 | 32,299,999 | 4.38% | 0.01% |
| Jan. 23, 2026 | MINERALS TECHNOLOGIES INC | $MTX | MONAGLE DJ III | Group President | F | Common Stock | 2099 | $68.77 | 88,308.8540 | 32,299,999 | 2.32% | 0.01% |
| Jan. 21, 2026 | MINERALS TECHNOLOGIES INC | $MTX | MONAGLE DJ III | Group President | M | Common Stock | 3492 | $0.00 | 88,648.8540 | 32,299,999 | 4.10% | 0.01% |
| Jan. 21, 2026 | MINERALS TECHNOLOGIES INC | $MTX | MONAGLE DJ III | Group President | F | Common Stock | 2036 | $66.92 | 86,612.8540 | 32,299,999 | 2.30% | 0.01% |
| Jan. 21, 2026 | MINERALS TECHNOLOGIES INC | $MTX | MONAGLE DJ III | Group President | M | Deferred Restricted Stock Units (DRSUs) | 3492 | $0.00 | 30,596.0000 | 32,299,999 | 10.24% | 0.01% |
| Jan. 20, 2026 | MINERALS TECHNOLOGIES INC | $MTX | MONAGLE DJ III | Group President | A | Deferred Restricted Stock Units (DRSUs) | 12504 | $0.00 | 34,088.0000 | 32,299,999 | 57.93% | 0.04% |
| Jan. 20, 2026 | MINERALS TECHNOLOGIES INC | $MTX | MONAGLE DJ III | Group President | A | Employee Stock Option (Right to Buy) | 10739 | $0.00 | 10,739.0000 | 32,299,999 | 9999.99% | 0.03% |
| Dec. 29, 2025 | MINERALS TECHNOLOGIES INC | $MTX | MONAGLE DJ III | Group President | M | Common Stock | 23093 | $38.29 | 108,214.8650 | 32,299,999 | 27.13% | 0.07% |
| Dec. 29, 2025 | MINERALS TECHNOLOGIES INC | $MTX | MONAGLE DJ III | Group President | S | Common Stock | 23093 | $61.90 | 85,121.8650 | 32,299,999 | 21.34% | 0.07% |
| Dec. 29, 2025 | MINERALS TECHNOLOGIES INC | $MTX | MONAGLE DJ III | Group President | M | EMPLOYEE Stock Option (Right to Buy) | 23093 | $0.00 | 0.0000 | 32,299,999 | 100.00% | 0.07% |
| Jan. 27, 2025 | MINERALS TECHNOLOGIES INC | $MTX | MONAGLE DJ III | Group President | M | Deferred Restricted Stock Units (DRSUs) | 3172 | $0.00 | 21,584.0000 | 32,299,999 | 12.81% | 0.01% |
| Jan. 27, 2025 | MINERALS TECHNOLOGIES INC | $MTX | MONAGLE DJ III | Group President | F | Common Stock | 1755 | $76.19 | 84,963.1680 | 32,299,999 | 2.02% | 0.01% |
| Jan. 27, 2025 | MINERALS TECHNOLOGIES INC | $MTX | MONAGLE DJ III | Group President | M | Common Stock | 3172 | $0.00 | 86,718.1680 | 32,299,999 | 3.80% | 0.01% |
| Jan. 24, 2025 | MINERALS TECHNOLOGIES INC | $MTX | MONAGLE DJ III | Group President | M | Deferred Restricted Stock Units (DRSUs) | 3519 | $0.00 | 24,756.0000 | 32,299,999 | 12.45% | 0.01% |
| Jan. 24, 2025 | MINERALS TECHNOLOGIES INC | $MTX | MONAGLE DJ III | Group President | M | Common Stock | 3519 | $0.00 | 85,493.1680 | 32,299,999 | 4.29% | 0.01% |
| Jan. 24, 2025 | MINERALS TECHNOLOGIES INC | $MTX | MONAGLE DJ III | Group President | F | Common Stock | 1947 | $75.68 | 83,546.1680 | 32,299,999 | 2.28% | 0.01% |
| Jan. 23, 2025 | MINERALS TECHNOLOGIES INC | $MTX | MONAGLE DJ III | Group President | M | Common Stock | 3795 | $0.00 | 84,140.1680 | 32,299,999 | 4.72% | 0.01% |
| Jan. 23, 2025 | MINERALS TECHNOLOGIES INC | $MTX | MONAGLE DJ III | Group President | F | Common Stock | 2166 | $75.65 | 81,974.1680 | 32,299,999 | 2.57% | 0.01% |
| Jan. 23, 2025 | MINERALS TECHNOLOGIES INC | $MTX | MONAGLE DJ III | Group President | M | Deferred Restricted Stock Units (DRSUs) | 3795 | $0.00 | 28,275.0000 | 32,299,999 | 11.83% | 0.01% |
| Jan. 21, 2025 | MINERALS TECHNOLOGIES INC | $MTX | MONAGLE DJ III | Group President | A | Employee Stock Option (Right to Buy) | 8997 | $0.00 | 8,997.0000 | 32,299,999 | 9999.99% | 0.03% |
| Jan. 21, 2025 | MINERALS TECHNOLOGIES INC | $MTX | MONAGLE DJ III | Group President | A | Deferred Restricted Stock Units (DRSUs) | 10476 | $0.00 | 32,070.0000 | 32,299,999 | 48.51% | 0.03% |
| June 24, 2024 | MINERALS TECHNOLOGIES INC | $MTX | MONAGLE DJ III | Group President | S | Common Stock | 14229 | $83.63 | 80,315.4340 | 32,600,000 | 15.05% | 0.04% |
| June 24, 2024 | MINERALS TECHNOLOGIES INC | $MTX | MONAGLE DJ III | Group President | M | Common Stock | 14229 | $60.19 | 94,544.4340 | 32,600,000 | 17.72% | 0.04% |
| June 24, 2024 | MINERALS TECHNOLOGIES INC | $MTX | MONAGLE DJ III | Group President | M | Employee Stock Option (Right to Buy) | 14229 | $0.00 | 0.0000 | 32,600,000 | 100.00% | 0.04% |
| June 5, 2024 | MINERALS TECHNOLOGIES INC | $MTX | MONAGLE DJ III | GROUP PRESIDENT | I | PHANTOM STOCK UNITS | 4224 | $85.62 | 0.0000 | 32,600,000 | 100.00% | 0.01% |
| May 10, 2024 | MINERALS TECHNOLOGIES INC | $MTX | MONAGLE DJ III | Group President | G | Common Stock | 1300 | $0.00 | 80,311.0670 | 32,600,000 | 1.59% | 0.00% |
| March 22, 2024 | MINERALS TECHNOLOGIES INC | $MTX | MONAGLE DJ III | Group President | S | Common Stock | 1180 | $74.12 | 81,615.1910 | 32,600,000 | 1.43% | 0.00% |
| March 22, 2024 | MINERALS TECHNOLOGIES INC | $MTX | MONAGLE DJ III | Group President | M | Employee Stock Option (Right to Buy) | 1180 | $0.00 | 0.0000 | 32,600,000 | 100.00% | 0.00% |
| March 22, 2024 | MINERALS TECHNOLOGIES INC | $MTX | MONAGLE DJ III | Group President | M | Common Stock | 1180 | $65.16 | 82,795.1910 | 32,600,000 | 1.45% | 0.00% |
| Jan. 26, 2024 | MINERALS TECHNOLOGIES INC | $MTX | MONAGLE DJ III | Group President | M | Common Stock | 3166 | $0.00 | 83,192.9210 | 32,600,000 | 3.96% | 0.01% |
| Jan. 25, 2024 | MINERALS TECHNOLOGIES INC | $MTX | MONAGLE DJ III | Group President | M | Common Stock | 3172 | $0.00 | 81,781.9210 | 32,600,000 | 4.04% | 0.01% |
| Jan. 26, 2024 | MINERALS TECHNOLOGIES INC | $MTX | MONAGLE DJ III | Group President | M | Deferred Restricted Stock Units (DRSUs) | 3166 | $0.00 | 21,594.0000 | 32,600,000 | 12.79% | 0.01% |
| Jan. 25, 2024 | MINERALS TECHNOLOGIES INC | $MTX | MONAGLE DJ III | Group President | M | Deferred Restricted Stock Units (DRSUs) | 3172 | $0.00 | 24,760.0000 | 32,600,000 | 11.36% | 0.01% |
| Jan. 26, 2024 | MINERALS TECHNOLOGIES INC | $MTX | MONAGLE DJ III | Group President | F | Common Stock | 1751 | $66.51 | 81,441.9210 | 32,600,000 | 2.10% | 0.01% |
| Jan. 25, 2024 | MINERALS TECHNOLOGIES INC | $MTX | MONAGLE DJ III | Group President | F | Common Stock | 1755 | $66.09 | 80,026.9210 | 32,600,000 | 2.15% | 0.01% |
| Jan. 24, 2024 | MINERALS TECHNOLOGIES INC | $MTX | MONAGLE DJ III | Group President | M | Common Stock | 3519 | $0.00 | 80,649.9210 | 32,600,000 | 4.56% | 0.01% |
| Jan. 24, 2024 | MINERALS TECHNOLOGIES INC | $MTX | MONAGLE DJ III | Group President | M | Deferred Restricted Stock Units (DRSUs) | 3519 | $0.00 | 27,932.0000 | 32,600,000 | 11.19% | 0.01% |
| Jan. 24, 2024 | MINERALS TECHNOLOGIES INC | $MTX | MONAGLE DJ III | Group President | F | Common Stock | 2040 | $66.10 | 78,609.9210 | 32,600,000 | 2.53% | 0.01% |
| Jan. 23, 2024 | MINERALS TECHNOLOGIES INC | $MTX | MONAGLE DJ III | Group President | A | Employee Stock Option (Right to Buy) | 9777 | $0.00 | 9,777.0000 | 32,600,000 | 9999.99% | 0.03% |
| Jan. 23, 2024 | MINERALS TECHNOLOGIES INC | $MTX | MONAGLE DJ III | Group President | A | Deferred Restricted Stock Units (DRSUs) | 11384 | $0.00 | 31,451.0000 | 32,600,000 | 56.73% | 0.03% |