Minerals Technologies Inc
MTX- Exchange
- NYSE
- Industry
- Industrial Inorganic Chemicals
- SEC CIK
- 0000891014
No open-market purchases or sales by Minerals Technologies Inc insiders were filed in the last 90 days; 294 institutions reported holding it in 13F filings for Q2 2026, worth $2.34B in total; no superinvestor holds it.
Open-market trades, last 90 days
Open-market purchases (P) and sales (S) by Minerals Technologies Inc insiders, counted by Form 4 filing. Trades with a flagged price and duplicate filings are left out.
- Open-market buys
- 0 filings
- Open-market sells
- 0 filings
- Insiders trading
- 0
- Net value
- $0
- Purchases minus sales
Insider roster
Directors, officers and 10% owners who have filed a Form 4 for Minerals Technologies Inc, current and former, most recent filer first. Last reported holding is the position after the last non-derivative trade in their latest filing.
| Name | Title | Last reported holding | Last filing | Filings, past year |
|---|---|---|---|---|
| Robinson Marc E | Director | – | Sep 9, 2026 | 5 |
| Pittman Carolyn K | Director | – | Sep 9, 2026 | 9 |
| Motwani Rocky | Director | 1,192 | Sep 9, 2026 | 5 |
| Johnson Kristina M | Director | 1,400 | Sep 9, 2026 | 5 |
| Clark Robert L | Director | – | Sep 9, 2026 | 5 |
| Carmola John J | Director | – | Sep 9, 2026 | 5 |
| Breunig Joseph C. | Director | – | Sep 9, 2026 | 5 |
| Dietrich Douglas T | CHAIRMAN AND CEO | 175,973 | May 18, 2026 | 4 |
| Jordan Timothy | Vice President | 1,279 | May 13, 2026 | 4 |
| Feder Franklin | Director | – | Apr 3, 2026 | 5 |
| Deans Alison Ann | Director | – | Mar 10, 2026 | 2 |
| Cipolla Michael | VICE PRESIDENT | 39,529 | Jan 27, 2026 | 3 |
| Monagle DJ III | Group President | 89,073 | Jan 27, 2026 | 4 |
| Hastings Jonathan J | Senior Vice President | 63,811 | Jan 27, 2026 | 2 |
| Argirakis Brett | Group President | 32,600 | Jan 27, 2026 | 4 |
| Cutler Erin | VP, Human Resources | 7,734 | Jan 27, 2026 | 3 |
| Aldag Erik | SVP FINANCE AND TREASURY, CFO | 6,959 | Jan 27, 2026 | 3 |
| Dunham Duane | Director | – | Mar 13, 2023 | 0 |
| Mayger Douglas W | Senior Vice President | 45,744 | Jan 27, 2023 | 0 |
| Meek Thomas J | Senior Vice President | 83,852 | Dec 5, 2022 | 0 |
| Winter Donald C | Director | – | Mar 14, 2022 | 0 |
| Garth Matthew E | SVP, Finance & Treasury, & CFO | 13,591 | Mar 8, 2022 | 0 |
Insider trades
Each row adds up one type of transaction in one Form 4 filing. Only open-market purchases (P) and sales (S) are shown by default; use the filters to see grants, option exercises and other codes.
| Filed (ET) | Trade date | Filing delay | Insider | Transaction | Shares | Avg price | Value | Holding change | Flags |
|---|---|---|---|---|---|---|---|---|---|
| May 18, 2026 (view filing) | May 14 | 4 days | Dietrich Douglas TCHAIRMAN AND CEO | SSale | −21.6K | $81.53 | −$1.76M | −10.9%176.0K after | |
| May 13, 2026 (view filing) | May 11 | 2 days | Jordan TimothyVice President | SSale | −6.00K | $80.27 | −$481.6K | −82.4%1.28K after | |
| Dec 31, 2025 (view filing) | Dec 29 | 2 days | Monagle DJ IIIGroup President | SSale | −23.1K | $61.90 | −$1.43M | −21.5%84.3K after | |
| Nov 25, 2025 (view filing) | Nov 21 | 4 days | Argirakis BrettGroup President | SSale | −6.50K | $58.68 | −$381.5K | −19.1%27.6K after | |
| Jun 17, 2025 (view filing) | Jun 16 | 1 day | Motwani RockyDirector | PPurchase | +370 | $54.31 | +$20.1K | +45.0%1.19K after | |
| May 5, 2025 (view filing) | May 2 | 3 days | Johnson Kristina MDirector | PPurchase | +1.00K | $53.79 | +$53.8K | +250.0%1.40K after | |
| May 1, 2025 (view filing) | Apr 30 | 1 day | Aldag ErikSVP FINANCE AND TREASURY, CFO | PPurchase | +1.00K | $50.37 | +$50.4K | +30.8%4.25K after | |
| May 1, 2025 (view filing) | Apr 30 | 1 day | Dietrich Douglas TCHAIRMAN AND CEO | PPurchase | +2.00K | $51.56 | +$103.1K | +1.3%161.7K after | |
| Jun 26, 2024 (view filing) | Jun 24 | 2 days | Monagle DJ IIIGroup President | SSale | −14.2K | $83.63 | −$1.19M | −15.1%79.7K after | |
| Jun 20, 2024 (view filing) | Jun 18 | 2 days | Hastings Jonathan JSenior Vice President | SSale | −21.5K | $84.35 | −$1.82M | −28.6%53.9K after | |
| Jun 18, 2024 (view filing) | Jun 17 | 1 day | Argirakis BrettGroup President | SSale | −2.26K | $83.95 | −$189.6K | −8.9%23.1K after | |
| Jun 14, 2024 (view filing) | Jun 12 | 2 days | Hastings Jonathan JSenior Vice President | SSale | −8.96K | $85.41 | −$765.7K | −14.3%53.9K after | 2 lots |
| Jun 4, 2024 (view filing) | Jun 3 | 1 day | Cutler ErinVP, Human Resources | SSale | −225 | $86.16 | −$19.4K | −5.6%3.77K after | |
| May 30, 2024 (view filing) | May 28 | 2 days | Cipolla MichaelVICE PRESIDENT | SSale | −12.0K | $84.36 | −$1.01M | −25.0%35.9K after | |
| May 30, 2024 (view filing) | May 28-29 | 2 days | Dietrich Douglas TChairman and CEO | SSale | −37.0K | $84.40 | −$3.12M | −20.3%145.5K after | 2 lots |
| May 23, 2024 (view filing) | May 21 | 2 days | Hastings Jonathan JSenior Vice President | SSale | −7.81K | $83.13 | −$649.6K | −12.7%53.9K after | |
| May 17, 2024 (view filing) | May 16 | 1 day | Johnson Kristina MDirector | PPurchase | +400 | $80.92 | +$32.4K | New position400 after | |
| Mar 26, 2024 (view filing) | Mar 22 | 4 days | Monagle DJ IIIGroup President | SSale | −1.18K | $74.12 | −$87.5K | −1.4%81.0K after | |
| Feb 21, 2024 (view filing) | Feb 20 | 1 day | Hastings Jonathan JSenior Vice President | SSale | −12.9K | $71.48 | −$923.7K | −19.3%53.9K after | |
| Dec 22, 2023 (view filing) | Dec 20 | 2 days | Monagle DJ IIIGroup President | SSale | −14.6K | $68.08 | −$993.8K | −16.0%76.7K after | 2 lots |
| Dec 18, 2023 (view filing) | Dec 14 | 4 days | Argirakis BrettGroup President | SSale | −2.65K | $66.84 | −$177.5K | −12.3%19.0K after | |
| Dec 8, 2023 (view filing) | Dec 7 | 1 day | Dietrich Douglas TChairman and CEO | SSale | −13.7K | $63.40 | −$866.2K | −9.4%132.0K after | |
| Dec 8, 2023 (view filing) | Dec 7 | 1 day | Cipolla MichaelVICE PRESIDENT | SSale | −4.82K | $63.36 | −$305.3K | −12.4%34.0K after | |
| Dec 4, 2023 (view filing) | Nov 30 | 4 days | Hastings Jonathan JSenior Vice President | SSale | −8.96K | $62.44 | −$559.5K | −15.4%49.1K after | |
| Mar 8, 2023 (view filing) | Mar 6 | 2 days | Motwani RockyDirector | PPurchase | +822 | $60.82 | +$50.0K | New position822 after | |
| Dec 21, 2022 (view filing) | Dec 20 | 1 day | Argirakis BrettSenior Vice President | SSale | −927 | $60.03 | −$55.6K | −5.6%15.7K after | |
| Dec 5, 2022 (view filing) | Dec 2 | 3 days | Meek Thomas JSenior Vice President | SSale | −16.8K | $62.52 | −$1.05M | −16.7%83.9K after | 2 lots |
| Sep 13, 2022 (view filing) | Sep 12 | 1 day | Monagle DJ IIIGroup President | SSale | −19.7K | $63.36 | −$1.25M | −21.4%72.4K after | |
| Sep 12, 2022 (view filing) | Sep 8 | 4 days | Dietrich Douglas TChairman and CEO | SSale | −16.3K | $60.06 | −$978.9K | −12.1%118.3K after | |
| Aug 22, 2022 (view filing) | Aug 18 | 4 days | Hastings Jonathan JGroup President | SSale | −11.7K | $65.67 | −$770.9K | −20.9%44.5K after | |
| Aug 15, 2022 (view filing) | Aug 11 | 4 days | Cipolla MichaelVICE PRESIDENT | SSale | −6.36K | $64.27 | −$408.5K | −16.4%32.3K after | |
| Mar 8, 2022 (view filing) | Mar 7 | 1 day | Garth Matthew ESVP, Finance & Treasury, & CFO | PPurchase | +100 | $63.75 | +$6.38K | +0.7%13.6K after | |
| Dec 17, 2021 (view filing) | Dec 16 | 1 day | Monagle DJ IIIGroup President | SSale | −9.34K | $72.48 | −$676.9K | −12.1%67.8K after | 2 lots |
| Dec 16, 2021 (view filing) | Dec 14-15 | 2 days | Meek Thomas JSenior Vice President | SSale | −17.1K | $71.06 | −$1.22M | −18.0%77.9K after | 4 lots |
| Nov 19, 2021 (view filing) | Nov 17 | 2 days | Monagle DJ IIIGroup President | SSale | −8.60K | $74.29 | −$638.9K | −11.3%67.8K after |