United States Chemicals

Minerals Technologies Inc (MTX)

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Over the past 90 days, Minerals Technologies Inc. has seen significant insider selling activity, with executives offloading approximately $2.24 million in net value. Key transactions included sales by CEO Douglas T. Dietrich and other senior officers. These divestments occurred amid a 1.5% decline in stock price and following the company's most recent earnings report.
Ticker: MTX Exchange: NYS
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• Purchase • Sale • Planned purchase • Planned sale Net purchase Net sale Buy signal Sell signal Earnings
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Insider trades have triggered activity signals for Minerals Technologies Inc. Upgrade to see score, net flow, insiders and the full signal context.

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Trades
Sale 14 May 2026
Value US$4,853,864.03 | Price 306.04 | Shares 55,756 (+13.8%)
Proposed sale 14 May 2026
Value US$2,353,757.38 | Price 264.23 | Shares 16,045
Abbreviations B: Buy, S: Sell, PP: Planned purchase, PlS: Planned sale, PrS: Proposed sale, O: Option / Other
Notification date Transaction date B/S Transaction type Insider and/or position Nb. shares
Price
Value 		Number of shares Price Value Details
2026-05-18 2026-05-14 S Sale
3.2
DIETRICH DOUGLAS T

CHAIRMAN AND CEO

Executive Director
55,756 +13.8%
306.04
US$4,853,864 		55,756 +13.8% 306.04 US$4,853,864
2026-05-14 2026-05-14 PrS Proposed sale
3.2
DIETRICH DOUGLAS T

Officer; Director

Executive Director
16,045
264.23
US$2,353,757 		16,045 264.23 US$2,353,757
2026-05-13 2026-05-11 S Sale
JORDAN TIMOTHY

Vice President

Officer
78,953 +38.1%
332.38
US$4,823,061 		78,953 +38.1% 332.38 US$4,823,061
2026-05-11 2026-05-11 PrS Proposed sale
JORDAN TIMOTHY

Officer

Officer
6,000
80.27
US$481,648 		6,000 80.27 US$481,648
2026-05-06 2026-05-06 PrS Proposed sale
3.1
Hastings Jonathan J

Officer

Officer
17,781
79.41
US$1,411,950 		17,781 79.41 US$1,411,950
2026-05-06 2026-05-06 PrS Proposed sale
3.1
Hastings Jonathan J

Officer

Officer
46,030
79.41
US$3,655,141 		46,030 79.41 US$3,655,141
2025-12-31 2025-12-29 S Sale
2.9
MONAGLE DJ III

Group President

Officer
23,093 -21.5%
61.90
US$1,429,524 		23,093 -21.5% 61.90 US$1,429,524
2025-12-29 2025-12-29 PrS Proposed sale
2.9
MONAGLE DJ III

Officer

Officer
23,093
61.90
US$1,429,524 		23,093 61.90 US$1,429,524
2025-11-25 2025-11-21 S Sale
2.3
ARGIRAKIS BRETT

Group President

Officer
6,501 -19.1%
58.68
US$381,459 		6,501 -19.1% 58.68 US$381,459
2025-11-21 2025-11-21 PrS Proposed sale
2.3
ARGIRAKIS BRETT

Officer

Officer
6,501
58.68
US$381,458 		6,501 58.68 US$381,458
2025-06-17 2025-06-16 B Purchase
2.1
Motwani Rocky
Non-Executive Director
370 +45.0%
54.31
US$20,094 		370 +45.0% 54.31 US$20,094
2025-05-05 2025-05-02 B Purchase
2.9
JOHNSON KRISTINA M
Non-Executive Director
1,000 +250.0%
53.79
US$53,785 		1,000 +250.0% 53.79 US$53,785
2025-05-01 2025-04-30 B Purchase
3.2
DIETRICH DOUGLAS T

CHAIRMAN AND CEO

Executive Director
2,000 +1.3%
51.56
US$103,120 		2,000 +1.3% 51.56 US$103,120
2025-05-01 2025-04-30 B Purchase
3.2
ALDAG ERIK

SVP FINANCE AND TREASURY, CFO

Officer
1,000 +30.8%
50.37
US$50,370 		1,000 +30.8% 50.37 US$50,370
2024-06-26 2024-06-24 S Sale
2.9
MONAGLE DJ III

Group President

Officer
14,229 -15.1%
83.63
US$1,189,910 		14,229 -15.1% 83.63 US$1,189,910
2024-06-24 2024-06-24 PrS Proposed sale
2.9
DJ MONAGLE III

Officer

Officer
14,229
83.63
US$1,189,909 		14,229 83.63 US$1,189,909
2024-06-20 2024-06-18 S Sale
3.1
Hastings Jonathan J

Senior Vice President

Officer
21,543 -28.6%
84.35
US$1,817,197 		21,543 -28.6% 84.35 US$1,817,197
2024-06-18 2024-06-18 PrS Proposed sale
3.1
JONATHAN J HASTINGS

Officer

Officer
21,543
84.35
US$1,817,196 		21,543 84.35 US$1,817,196
2024-06-18 2024-06-17 S Sale
2.3
ARGIRAKIS BRETT

Group President

Officer
2,259 -8.9%
83.95
US$189,643 		2,259 -8.9% 83.95 US$189,643
2024-06-17 2024-06-17 PrS Proposed sale
2.3
BRETT ARGIRAKIS

Officer

Officer
2,259
83.95
US$189,643 		2,259 83.95 US$189,643
2024-06-14 2024-06-12 S Sale
3.1
Hastings Jonathan J

Senior Vice President

Officer
800 -1.5%
86.17
US$68,935 		800 -1.5% 86.17 US$68,935
2024-06-14 2024-06-12 S Sale
3.1
Hastings Jonathan J

Senior Vice President

Officer
8,164 -13.0%
85.34
US$696,744 		8,164 -13.0% 85.34 US$696,744
2024-06-12 2024-06-12 PrS Proposed sale
3.1
JONATHAN J HASTINGS

Officer

Officer
8,964
85.42
US$765,679 		8,964 85.42 US$765,679
2024-06-04 2024-06-03 S Sale
2.9
CUTLER ERIN

VP, Human Resources

Officer
225 -5.6%
86.16
US$19,386 		225 -5.6% 86.16 US$19,386
2024-05-30 2024-05-29 S Sale
3.2
DIETRICH DOUGLAS T

Chairman and CEO

Executive Director
24,978 -14.6%
84.18
US$2,102,661 		24,978 -14.6% 84.18 US$2,102,661
2024-05-29 2024-05-29 PrS Proposed sale
3.2
DOUGLAS DIETRICH

Officer; Director

Executive Director
24,978
84.18
US$2,102,658 		24,978 84.18 US$2,102,658
2024-05-30 2024-05-28 S Sale
3.2
DIETRICH DOUGLAS T

Chairman and CEO

Executive Director
12,010 -7.6%
84.85
US$1,019,081 		12,010 -7.6% 84.85 US$1,019,081
2024-05-30 2024-05-28 S Sale
3.2
CIPOLLA MICHAEL

VICE PRESIDENT

Officer
11,958 -25.0%
84.36
US$1,008,741 		11,958 -25.0% 84.36 US$1,008,741
2024-05-28 2024-05-28 PrS Proposed sale
3.2
DOUGLAS DIETRICH

Officer; Director

Executive Director
12,010
84.85
US$1,019,081 		12,010 84.85 US$1,019,081
2024-05-28 2024-05-28 PrS Proposed sale
3.2
MICHAEL CIPOLLA

Officer

Officer
11,958
84.36
US$1,008,741 		11,958 84.36 US$1,008,741
2024-05-23 2024-05-21 S Sale
3.1
Hastings Jonathan J

Senior Vice President

Officer
7,814 -12.7%
83.13
US$649,601 		7,814 -12.7% 83.13 US$649,601
2024-05-21 2024-05-21 PrS Proposed sale
3.1
JONATHAN J HASTINGS

Officer

Officer
7,814
83.13
US$649,601 		7,814 83.13 US$649,601
2024-05-17 2024-05-16 B Purchase
2.9
JOHNSON KRISTINA M
Non-Executive Director
400 +inf%
80.92
US$32,368 		400 +inf% 80.92 US$32,368
2024-03-26 2024-03-22 S Sale
2.9
MONAGLE DJ III

Group President

Officer
1,180 -1.4%
74.12
US$87,459 		1,180 -1.4% 74.12 US$87,459
2024-03-22 2024-03-22 PrS Proposed sale
2.9
DJ MONAGLE III

Officer

Officer
1,180
74.12
US$87,459 		1,180 74.12 US$87,459
2024-02-21 2024-02-20 S Sale
3.1
Hastings Jonathan J

Senior Vice President

Officer
12,922 -19.3%
71.48
US$923,644 		12,922 -19.3% 71.48 US$923,644
2024-02-20 2024-02-20 PrS Proposed sale
3.1
JONATHAN J HASTINGS

Officer

Officer
12,922
71.48
US$923,644 		12,922 71.48 US$923,644
2023-12-22 2023-12-20 S Sale
2.9
MONAGLE DJ III

Group President

Officer
3,102 -3.9%
68.78
US$213,364 		3,102 -3.9% 68.78 US$213,364
2023-12-22 2023-12-20 S Sale
2.9
MONAGLE DJ III

Group President

Officer
11,496 -12.6%
67.89
US$780,439 		11,496 -12.6% 67.89 US$780,439
2023-12-20 2023-12-20 PrS Proposed sale
2.9
DJ MONAGLE III

Officer

Officer
14,598
68.08
US$993,803 		14,598 68.08 US$993,803
2023-12-18 2023-12-14 S Sale
2.3
ARGIRAKIS BRETT

Group President

Officer
2,655 -12.3%
66.84
US$177,460 		2,655 -12.3% 66.84 US$177,460
2023-12-14 2023-12-14 PrS Proposed sale
2.3
BRETT ARGIRAKIS

Officer

Officer
2,655
66.84
US$177,460 		2,655 66.84 US$177,460
2023-12-08 2023-12-07 S Sale
3.2
CIPOLLA MICHAEL

VICE PRESIDENT

Officer
4,818 -12.4%
63.36
US$305,278 		4,818 -12.4% 63.36 US$305,278
2023-12-08 2023-12-07 S Sale
3.2
DIETRICH DOUGLAS T

Chairman and CEO

Executive Director
13,662 -9.4%
63.40
US$866,167 		13,662 -9.4% 63.40 US$866,167
2023-12-07 2023-12-07 PrS Proposed sale
3.2
DOUGLAS DIETRICH

Officer; Director

Executive Director
13,662
63.40
US$866,167 		13,662 63.40 US$866,167
2023-12-07 2023-12-07 PrS Proposed sale
3.2
MICHAEL CIPOLLA

Officer

Officer
4,818
63.36
US$305,278 		4,818 63.36 US$305,278
2023-12-04 2023-11-30 S Sale
3.1
Hastings Jonathan J

Senior Vice President

Officer
8,960 -15.4%
62.44
US$559,457 		8,960 -15.4% 62.44 US$559,457
2023-11-30 2023-11-30 PrS Proposed sale
3.1
JONATHAN J HASTINGS

Officer

Officer
8,960
62.44
US$559,456 		8,960 62.44 US$559,456
2023-03-08 2023-03-06 B Purchase
2.1
Motwani Rocky
Non-Executive Director
822 +inf%
60.82
US$49,994 		822 +inf% 60.82 US$49,994
2022-12-21 2022-12-20 S Sale
2.3
ARGIRAKIS BRETT

Senior Vice President

Officer
927 -5.6%
60.03
US$55,652 		927 -5.6% 60.03 US$55,652
2022-12-05 2022-12-02 S Sale
2.7
Meek Thomas J

Senior Vice President

Officer
887 -1.0%
63.03
US$55,907 		887 -1.0% 63.03 US$55,907
2022-12-05 2022-12-02 S Sale
2.7
Meek Thomas J

Senior Vice President

Officer
15,908 -15.8%
62.49
US$994,108 		15,908 -15.8% 62.49 US$994,108
2022-09-13 2022-09-12 S Sale
2.9
MONAGLE DJ III

Group President

Officer
19,673 -21.4%
63.36
US$1,246,438 		19,673 -21.4% 63.36 US$1,246,438
2022-09-12 2022-09-08 S Sale
3.2
DIETRICH DOUGLAS T

Chairman and CEO

Executive Director
16,299 -12.1%
60.06
US$978,874 		16,299 -12.1% 60.06 US$978,874
2022-08-22 2022-08-18 S Sale
3.1
Hastings Jonathan J

Group President

Officer
11,739 -20.9%
65.67
US$770,915 		11,739 -20.9% 65.67 US$770,915
2022-08-15 2022-08-11 S Sale
3.2
CIPOLLA MICHAEL

VICE PRESIDENT

Officer
6,356 -16.4%
64.27
US$408,530 		6,356 -16.4% 64.27 US$408,530
2022-03-08 2022-03-07 B Purchase
1.7
GARTH MATTHEW E

SVP, Finance & Treasury, & CFO

Officer
100 +0.7%
63.75
US$6,375 		100 +0.7% 63.75 US$6,375
2021-12-17 2021-12-16 S Sale
2.9
MONAGLE DJ III

Group President

Officer
1,100 -1.6%
73.35
US$80,683 		1,100 -1.6% 73.35 US$80,683
2021-12-17 2021-12-16 S Sale
2.9
MONAGLE DJ III

Group President

Officer
8,240 -10.7%
72.36
US$596,278 		8,240 -10.7% 72.36 US$596,278
2021-12-16 2021-12-15 S Sale
2.7
Meek Thomas J

Senior Vice President

Officer
2,660 -3.3%
71.95
US$191,380 		2,660 -3.3% 71.95 US$191,380
2021-12-16 2021-12-15 S Sale
2.7
Meek Thomas J

Senior Vice President

Officer
7,950 -9.0%
71.32
US$567,016 		7,950 -9.0% 71.32 US$567,016
2021-12-16 2021-12-15 S Sale
2.7
Meek Thomas J

Senior Vice President

Officer
6,204 -6.6%
70.30
US$436,164 		6,204 -6.6% 70.30 US$436,164
2021-12-16 2021-12-14 S Sale
2.7
Meek Thomas J

Senior Vice President

Officer
300 -0.4%
72.06
US$21,617 		300 -0.4% 72.06 US$21,617
2021-11-19 2021-11-17 S Sale
2.9
MONAGLE DJ III

Group President

Officer
8,600 -11.3%
74.29
US$638,895 		8,600 -11.3% 74.29 US$638,895
2021-06-08 2021-06-07 S Sale
2.0
MAYGER DOUGLAS W

Senior Vice President

Officer
395 -0.9%
86.02
US$33,977 		395 -0.9% 86.02 US$33,977
2021-06-08 2021-06-04 S Sale
2.0
MAYGER DOUGLAS W

Senior Vice President

Officer
11,233 -20.8%
86.04
US$966,486 		11,233 -20.8% 86.04 US$966,486
2021-02-26 2021-02-25 S Sale
3.2
DIETRICH DOUGLAS T

Chief Executive Officer

Executive Director
3,117 -3.0%
73.69
US$229,701 		3,117 -3.0% 73.69 US$229,701
2021-02-26 2021-02-25 S Sale
3.2
DIETRICH DOUGLAS T

Chief Executive Officer

Executive Director
2,299 -2.1%
72.62
US$166,963 		2,299 -2.1% 72.62 US$166,963
2021-02-26 2021-02-25 S Sale
3.2
DIETRICH DOUGLAS T

Chief Executive Officer

Executive Director
8,199 -7.1%
71.99
US$590,207 		8,199 -7.1% 71.99 US$590,207
2021-02-26 2021-02-24 S Sale
3.2
CIPOLLA MICHAEL

VICE PRESIDENT

Officer
6,246 -17.1%
72.36
US$451,989 		6,246 -17.1% 72.36 US$451,989
2021-02-18 2021-02-16 S Sale
2.0
MAYGER DOUGLAS W

Senior Vice President

Officer
24,500 -36.5%
68.36
US$1,674,830 		24,500 -36.5% 68.36 US$1,674,830
2020-12-30 2020-12-28 S Sale
3.1
Hastings Jonathan J

Group President

Officer
14 -0.0%
63.03
US$882 		14 -0.0% 63.03 US$882
2020-12-30 2020-12-28 S Sale
3.1
Hastings Jonathan J

Group President

Officer
5,176 -12.9%
62.52
US$323,584 		5,176 -12.9% 62.52 US$323,584
2020-12-14 2020-12-10 S Sale
0.6
JONES ANDREW M

Vice President

Officer
3,009 -25.6%
61.93
US$186,357 		3,009 -25.6% 61.93 US$186,357
2020-11-13 2020-11-11 S Sale
2.9
MONAGLE DJ III

Group President

Officer
14,662 -19.4%
60.04
US$880,306 		14,662 -19.4% 60.04 US$880,306
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