Minerals Technologies Inc.
A global specialty minerals company that digs up and transforms minerals like bentonite and calcium carbonate into everyday products — from clumping cat litter to paper coatings and construction sealants. It began in 1992 as a spin-off from the drugmaker Pfizer, which had quietly built a minerals division decades earlier. Bentonite, its signature clay formed from ancient volcanic ash, is sometimes called the "mineral of 1,000 uses."
Granted 246.2K · Bought 2.0K · Sold 88.5K
Granted 43.3K · Sold 33.9K
Granted 144.7K · Sold 90.7K
Granted 115.8K · Sold 71.9K
Granted 42.8K · Sold 23.1K
Granted 5.0K
Granted 48.3K · Sold 12.3K
Granted 8.6K · Bought 100
Granted 12.6K · Sold 225
Granted 13.6K · Bought 1.0K
Granted 13.2K · Sold 6.0K
Bought 1.4K
Bought 1.2K
| Insider | Stake change | Holds now | Granted / vested | Bought | Sold |
|---|---|---|---|---|---|
| Dietrich Douglas TCHAIRMAN AND CEO, Director · 42 transactions | +90.7% | 202.3K | 246.2K | 2.0K | 88.5K |
| Meek Thomas JSenior Vice President · 15 transactions | +28.7% | 103.6Kas of Dec 2022 | 43.3K | — | 33.9K |
| Monagle DJ IIIGroup President · 47 transactions | +37.7% | 89.9K | 144.7K | — | 90.7K |
| Hastings Jonathan JSenior Vice President · 46 transactions | +63.7% | 68.1K | 115.8K | — | 71.9K |
| Cipolla MichaelVICE PRESIDENT · 39 transactions | +9.9% | 50.0K | 42.8K | — | 23.1K |
| Mayger Douglas WSenior Vice President · 12 transactions | +6.5% | 46.8Kas of Jan 2023 | 5.0K | — | — |
| Argirakis BrettGroup President · 38 transactions | +153.1% | 36.6K | 48.3K | — | 12.3K |
| Garth Matthew ESVP, Finance & Treasury, & CFO · 7 transactions | +45.2% | 14.6Kas of Mar 2022 | 8.6K | 100 | — |
| Cutler ErinVP, Human Resources · 26 transactions | — | 10.0K | 12.6K | — | 225 |
| Aldag ErikSVP FINANCE AND TREASURY, CFO · 25 transactions | — | 7.9K | 13.6K | 1.0K | — |
| Jordan TimothyVice President · 25 transactions | — | 4.1K | 13.2K | — | 6.0K |
| Johnson Kristina MDirector · 2 transactions | +780.5% | 1.4Kas of May 2025 | — | 1.4K | — |
| Motwani RockyDirector · 2 transactions | — | 1.2Kas of Jun 2025 | — | 1.2K | — |
Select a row to see that insider’s individual transactions. Sum of the holdings confirmed in the 12 months before this insider's last filing. A Form 4 reports a holding per line — held directly, or through a named trust, partnership or foundation, and in each share class separately — never a person’s total. Lines not restated in that time are left out and shown apart: an active filer restates what they still hold, so a line they did not restate is more often an entity since renamed, whose shares a successor line reports too. An amber marker means some were left out.
Net open-market activity over the last 5 years: -321.1K shares. Grants, option exercises and tax withholding are excluded — they are compensation mechanics, not decisions to buy or sell.