SEC Insider Transactions from MONAGLE DJ III.

Last updated: 2026-03-14 11:46 UTC | Total transactions: 44

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.

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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%