MTX
Minerals Technologies Inc.$77.65+0.34 (+0.44%)Prev Close$77.31·MCap$2.36B·P/E15.02·Vol66.0K·Yield0.01%
▲
Buys (12M)
1
$20.1K
▼
Sells (12M)
20
$6.96M
◆
Net Activity
Net Seller
$6.94M
●
Active Insiders
9
last 12 mo
Over the past 12 months, insider activity at Minerals Technologies Inc. (MTX) has been dominated by selling, with 1 insider purchase totaling $20.1K and 20 insider sales totaling $6.96M. The most recent insider transaction was by DIETRICH DOUGLAS T (director, officer: CHAIRMAN AND CEO), who sold $1.76M worth of shares on May 18, 2026. Minerals Technologies Inc. operates in the Basic Materials sector, within the Chemicals - Specialty industry, with a market cap of $2.36B.
MTX Insider Trading Activity
| Date | Insider | Role | Type | Shares | Avg Price | Value | Shares After |
|---|---|---|---|---|---|---|---|
| May 18, 2026 | DIETRICH DOUGLAS T | director, officer: CHAIRMAN AND CEO | Sell | 21,568 | $81.53 | $1.76M | 175,973 |
| May 13, 2026 | JORDAN TIMOTHY | officer: Vice President | Sell | 6,000 | $80.27 | $481.6K | 1,279-82% |
| Jan 23, 2026 | ALDAG ERIK | SVP FINANCE AND TREASURY, CFO | Sell | 2,259 | $68.82 | $155.5K | 0 |
| Jan 23, 2026 | ARGIRAKIS BRETT | Group President | Sell | 2,576 | $68.82 | $177.3K | 0 |
| Jan 23, 2026 | CIPOLLA MICHAEL | VICE PRESIDENT | Sell | 1,434 | $68.83 | $98.7K | 0 |
| Jan 23, 2026 | CUTLER ERIN | VP, Human Resources | Sell | 1,128 | $68.83 | $77.6K | 0 |
| Jan 23, 2026 | DIETRICH DOUGLAS T | CHAIRMAN AND CEO | Sell | 12,244 | $68.83 | $842.8K | 0 |
| Jan 23, 2026 | Hastings Jonathan J | Senior Vice President | Sell | 2,681 | $68.83 | $184.5K | 0 |
| Jan 23, 2026 | JORDAN TIMOTHY | Vice President | Sell | 2,039 | $68.83 | $140.3K | 0 |
| Jan 23, 2026 | MONAGLE DJ III | Group President | Sell | 4,046 | $68.83 | $278.5K | 0 |
| Jan 21, 2026 | ALDAG ERIK | SVP FINANCE AND TREASURY, CFO | Sell | 1,356 | $66.92 | $90.7K | 0 |
| Jan 21, 2026 | ARGIRAKIS BRETT | Group President | Sell | 1,457 | $66.92 | $97.5K | 0 |
| Jan 21, 2026 | CIPOLLA MICHAEL | VICE PRESIDENT | Sell | 731 | $66.92 | $48.9K | 0 |
| Jan 21, 2026 | CUTLER ERIN | VP, Human Resources | Sell | 583 | $66.92 | $39.0K | 0 |
| Jan 21, 2026 | DIETRICH DOUGLAS T | CHAIRMAN AND CEO | Sell | 5,630 | $66.92 | $376.8K | 0 |
| Jan 21, 2026 | Hastings Jonathan J | Senior Vice President | Sell | 1,318 | $66.92 | $88.2K | 0 |
| Jan 21, 2026 | JORDAN TIMOTHY | Vice President | Sell | 1,071 | $66.92 | $71.7K | 0 |
| Jan 21, 2026 | MONAGLE DJ III | Group President | Sell | 2,036 | $66.92 | $136.2K | 0 |
| Dec 29, 2025 | MONAGLE DJ III | Group President | Sell | 23,093 | $61.90 | $1.43M | 0 |
| Nov 21, 2025 | ARGIRAKIS BRETT | Group President | Sell | 6,501 | $58.68 | $381.5K | 0 |
| Jun 16, 2025 | Motwani Rocky | Director | Buy | 370 | $54.31 | $20.1K | 0 |
| May 2, 2025 | JOHNSON KRISTINA M | Director | Buy | 1,000 | $53.79 | $53.8K | 0 |
| Apr 30, 2025 | ALDAG ERIK | SVP FINANCE AND TREASURY, CFO | Buy | 1,000 | $50.37 | $50.4K | 0 |
| Apr 30, 2025 | DIETRICH DOUGLAS T | CHAIRMAN AND CEO | Buy | 2,000 | $51.56 | $103.1K | 0 |
| Jun 26, 2024 | MONAGLE DJ III | Group President | Sell | 14,229 | $83.63 | $1.19M | 79,731 |
| Jun 20, 2024 | Hastings Jonathan J | Senior Vice President | Sell | 21,543 | $84.35 | $1.82M | 53,862-29% |
| Jun 18, 2024 | ARGIRAKIS BRETT | Group President | Sell | 2,259 | $83.95 | $189.6K | 23,102 |
| Jun 14, 2024 | Hastings Jonathan J | Senior Vice President | Sell | 8,964 | $85.42 | $765.7K | 54,662 |
| Jun 4, 2024 | CUTLER ERIN | VP, Human Resources | Sell | 225 | $86.16 | $19.4K | 3,769 |
| May 30, 2024 | CIPOLLA MICHAEL | VICE PRESIDENT | Sell | 11,958 | $84.36 | $1.01M | 35,864-25% |
| May 30, 2024 | DIETRICH DOUGLAS T | Chairman and CEO | Sell | 36,988 | $84.40 | $3.12M | 145,547 |
| May 23, 2024 | Hastings Jonathan J | Senior Vice President | Sell | 7,814 | $83.13 | $649.6K | 53,862 |
| May 17, 2024 | JOHNSON KRISTINA M | Buy | 400 | $80.92 | $32.4K | 400 | |
| Mar 26, 2024 | MONAGLE DJ III | Group President | Sell | 1,180 | $74.12 | $87.5K | 81,031 |
| Feb 21, 2024 | Hastings Jonathan J | Senior Vice President | Sell | 12,922 | $71.48 | $923.6K | 53,862 |
| Dec 22, 2023 | MONAGLE DJ III | Group President | Sell | 14,598 | $68.08 | $993.8K | 79,822 |
| Dec 18, 2023 | ARGIRAKIS BRETT | Group President | Sell | 2,655 | $66.84 | $177.5K | 19,011 |
| Dec 8, 2023 | CIPOLLA MICHAEL | VICE PRESIDENT | Sell | 4,818 | $63.36 | $305.3K | 34,040 |
| Dec 8, 2023 | DIETRICH DOUGLAS T | Chairman and CEO | Sell | 13,662 | $63.40 | $866.2K | 132,040 |
| Dec 4, 2023 | Hastings Jonathan J | Senior Vice President | Sell | 8,960 | $62.44 | $559.5K | 49,131 |
| Mar 8, 2023 | Motwani Rocky | Director | Buy | 822 | $60.82 | $50.0K | 822 |
| Dec 21, 2022 | ARGIRAKIS BRETT | Senior Vice President | Sell | 927 | $60.03 | $55.7K | 15,694 |
| Dec 5, 2022 | Meek Thomas J | Senior Vice President | Sell | 16,795 | $62.52 | $1.05M | 84,739 |
| Sep 13, 2022 | MONAGLE DJ III | Group President | Sell | 19,673 | $63.36 | $1.25M | 72,402 |
| Sep 12, 2022 | DIETRICH DOUGLAS T | Chairman and CEO | Sell | 16,299 | $60.06 | $978.9K | 118,265 |
| Aug 22, 2022 | Hastings Jonathan J | Group President | Sell | 11,739 | $65.67 | $770.9K | 44,468 |
| Aug 15, 2022 | CIPOLLA MICHAEL | VICE PRESIDENT | Sell | 6,356 | $64.27 | $408.5K | 32,286 |
| Mar 8, 2022 | GARTH MATTHEW E | SVP, Finance & Treasury, & CFO | Buy | 100 | $63.75 | $6.4K | 13,591 |
| Dec 17, 2021 | MONAGLE DJ III | Group President | Sell | 9,340 | $72.48 | $677.0K | 68,892 |
| Dec 16, 2021 | Meek Thomas J | Senior Vice President | Sell | 17,114 | $71.06 | $1.22M | 88,497 |
Showing 1–50 of 52
1 / 2
MTX Insider Buying Activity
The following table shows recent insider purchases of Minerals Technologies Inc. (MTX) stock reported via SEC Form 4 filings.
| Date | Insider | Role | Type | Shares | Avg Price | Value | Shares After |
|---|---|---|---|---|---|---|---|
| Jun 16, 2025 | Motwani Rocky | Director | Buy | 370 | $54.31 | $20.1K | 0 |
| May 2, 2025 | JOHNSON KRISTINA M | Director | Buy | 1,000 | $53.79 | $53.8K | 0 |
| Apr 30, 2025 | ALDAG ERIK | SVP FINANCE AND TREASURY, CFO | Buy | 1,000 | $50.37 | $50.4K | 0 |
| Apr 30, 2025 | DIETRICH DOUGLAS T | CHAIRMAN AND CEO | Buy | 2,000 | $51.56 | $103.1K | 0 |
| May 17, 2024 | JOHNSON KRISTINA M | Buy | 400 | $80.92 | $32.4K | 400 | |
| Mar 8, 2023 | Motwani Rocky | Director | Buy | 822 | $60.82 | $50.0K | 822 |
| Mar 8, 2022 | GARTH MATTHEW E | SVP, Finance & Treasury, & CFO | Buy | 100 | $63.75 | $6.4K | 13,591 |
MTX Insider Selling Activity
The following table shows recent insider sales of Minerals Technologies Inc. (MTX) stock reported via SEC Form 4 filings.
| Date | Insider | Role | Type | Shares | Avg Price | Value | Shares After |
|---|---|---|---|---|---|---|---|
| May 18, 2026 | DIETRICH DOUGLAS T | director, officer: CHAIRMAN AND CEO | Sell | 21,568 | $81.53 | $1.76M | 175,973 |
| May 13, 2026 | JORDAN TIMOTHY | officer: Vice President | Sell | 6,000 | $80.27 | $481.6K | 1,279-82% |
| Jan 23, 2026 | ALDAG ERIK | SVP FINANCE AND TREASURY, CFO | Sell | 2,259 | $68.82 | $155.5K | 0 |
| Jan 23, 2026 | ARGIRAKIS BRETT | Group President | Sell | 2,576 | $68.82 | $177.3K | 0 |
| Jan 23, 2026 | CIPOLLA MICHAEL | VICE PRESIDENT | Sell | 1,434 | $68.83 | $98.7K | 0 |
| Jan 23, 2026 | CUTLER ERIN | VP, Human Resources | Sell | 1,128 | $68.83 | $77.6K | 0 |
| Jan 23, 2026 | DIETRICH DOUGLAS T | CHAIRMAN AND CEO | Sell | 12,244 | $68.83 | $842.8K | 0 |
| Jan 23, 2026 | Hastings Jonathan J | Senior Vice President | Sell | 2,681 | $68.83 | $184.5K | 0 |
| Jan 23, 2026 | JORDAN TIMOTHY | Vice President | Sell | 2,039 | $68.83 | $140.3K | 0 |
| Jan 23, 2026 | MONAGLE DJ III | Group President | Sell | 4,046 | $68.83 | $278.5K | 0 |
| Jan 21, 2026 | ALDAG ERIK | SVP FINANCE AND TREASURY, CFO | Sell | 1,356 | $66.92 | $90.7K | 0 |
| Jan 21, 2026 | ARGIRAKIS BRETT | Group President | Sell | 1,457 | $66.92 | $97.5K | 0 |
| Jan 21, 2026 | CIPOLLA MICHAEL | VICE PRESIDENT | Sell | 731 | $66.92 | $48.9K | 0 |
| Jan 21, 2026 | CUTLER ERIN | VP, Human Resources | Sell | 583 | $66.92 | $39.0K | 0 |
| Jan 21, 2026 | DIETRICH DOUGLAS T | CHAIRMAN AND CEO | Sell | 5,630 | $66.92 | $376.8K | 0 |
| Jan 21, 2026 | Hastings Jonathan J | Senior Vice President | Sell | 1,318 | $66.92 | $88.2K | 0 |
| Jan 21, 2026 | JORDAN TIMOTHY | Vice President | Sell | 1,071 | $66.92 | $71.7K | 0 |
| Jan 21, 2026 | MONAGLE DJ III | Group President | Sell | 2,036 | $66.92 | $136.2K | 0 |
| Dec 29, 2025 | MONAGLE DJ III | Group President | Sell | 23,093 | $61.90 | $1.43M | 0 |
| Nov 21, 2025 | ARGIRAKIS BRETT | Group President | Sell | 6,501 | $58.68 | $381.5K | 0 |
| Jun 26, 2024 | MONAGLE DJ III | Group President | Sell | 14,229 | $83.63 | $1.19M | 79,731 |
| Jun 20, 2024 | Hastings Jonathan J | Senior Vice President | Sell | 21,543 | $84.35 | $1.82M | 53,862-29% |
| Jun 18, 2024 | ARGIRAKIS BRETT | Group President | Sell | 2,259 | $83.95 | $189.6K | 23,102 |
| Jun 14, 2024 | Hastings Jonathan J | Senior Vice President | Sell | 8,964 | $85.42 | $765.7K | 54,662 |
| Jun 4, 2024 | CUTLER ERIN | VP, Human Resources | Sell | 225 | $86.16 | $19.4K | 3,769 |
| May 30, 2024 | CIPOLLA MICHAEL | VICE PRESIDENT | Sell | 11,958 | $84.36 | $1.01M | 35,864-25% |
| May 30, 2024 | DIETRICH DOUGLAS T | Chairman and CEO | Sell | 36,988 | $84.40 | $3.12M | 145,547 |
| May 23, 2024 | Hastings Jonathan J | Senior Vice President | Sell | 7,814 | $83.13 | $649.6K | 53,862 |
| Mar 26, 2024 | MONAGLE DJ III | Group President | Sell | 1,180 | $74.12 | $87.5K | 81,031 |
| Feb 21, 2024 | Hastings Jonathan J | Senior Vice President | Sell | 12,922 | $71.48 | $923.6K | 53,862 |
| Dec 22, 2023 | MONAGLE DJ III | Group President | Sell | 14,598 | $68.08 | $993.8K | 79,822 |
| Dec 18, 2023 | ARGIRAKIS BRETT | Group President | Sell | 2,655 | $66.84 | $177.5K | 19,011 |
| Dec 8, 2023 | CIPOLLA MICHAEL | VICE PRESIDENT | Sell | 4,818 | $63.36 | $305.3K | 34,040 |
| Dec 8, 2023 | DIETRICH DOUGLAS T | Chairman and CEO | Sell | 13,662 | $63.40 | $866.2K | 132,040 |
| Dec 4, 2023 | Hastings Jonathan J | Senior Vice President | Sell | 8,960 | $62.44 | $559.5K | 49,131 |
| Dec 21, 2022 | ARGIRAKIS BRETT | Senior Vice President | Sell | 927 | $60.03 | $55.7K | 15,694 |
| Dec 5, 2022 | Meek Thomas J | Senior Vice President | Sell | 16,795 | $62.52 | $1.05M | 84,739 |
| Sep 13, 2022 | MONAGLE DJ III | Group President | Sell | 19,673 | $63.36 | $1.25M | 72,402 |
| Sep 12, 2022 | DIETRICH DOUGLAS T | Chairman and CEO | Sell | 16,299 | $60.06 | $978.9K | 118,265 |
| Aug 22, 2022 | Hastings Jonathan J | Group President | Sell | 11,739 | $65.67 | $770.9K | 44,468 |
| Aug 15, 2022 | CIPOLLA MICHAEL | VICE PRESIDENT | Sell | 6,356 | $64.27 | $408.5K | 32,286 |
| Dec 17, 2021 | MONAGLE DJ III | Group President | Sell | 9,340 | $72.48 | $677.0K | 68,892 |
| Dec 16, 2021 | Meek Thomas J | Senior Vice President | Sell | 17,114 | $71.06 | $1.22M | 88,497 |
MTX Insiders
DIETRICH DOUGLAS T
director, officer: CHAIRMAN AND CEO
Bought $103.1KSold $7.94M
7 tradesLast: May 18, 2026
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