Company · CIK 0000891014 · SIC 2810 — Industrial Inorganic Chemicals · NYSE

MINERALS TECHNOLOGIES INC · MTX

Insider activity reported against this company. All insider holders · On EDGAR ↗

Period1M 3M 6M 1Y 2Y All datashares as filed — not split-adjusted

Reported at this company — common stock

No reported common-stock activity in this period.

Trade	Reported (ET)	Insider	Shares	Avg price	Total	Owned after	Δ stake
Sep 4, 2026 AForm 4 →	Sep 9, 4:47 pm EDT	Marc E RobinsonDirector	45	—	—	26,960	—
Sep 4, 2026 AForm 4 →	Sep 9, 4:43 pm EDT	Carolyn K PittmanDirector	35	—	—	20,785	—
Sep 4, 2026 AForm 4 →	Sep 9, 4:42 pm EDT	Rocky MotwaniDirector	14	—	—	8,119	—
Sep 4, 2026 AForm 4 →	Sep 9, 4:38 pm EDT	Kristina M JohnsonDirector	10	—	—	6,008	—
Sep 4, 2026 AForm 4 →	Sep 9, 4:37 pm EDT	Robert L ClarkDirector	56	—	—	33,758	—
Sep 4, 2026 AForm 4 →	Sep 9, 4:35 pm EDT	John J CarmolaDirector	47	—	—	28,001	—
Sep 4, 2026 AForm 4 →	Sep 9, 4:33 pm EDT	Joseph C. BreunigDirector	36	—	—	21,600	—
Jul 1, 2026 AForm 4 →	Jul 2, 3:44 pm EDT	Carolyn K PittmanDirector	99	—	—	20,750	—
Jun 18, 2026 AForm 4 →	Jun 22, 3:12 pm EDT	Marc E RobinsonDirector	41	—	—	26,915	—
Jun 18, 2026 AForm 4 →	Jun 22, 3:10 pm EDT	Carolyn K PittmanDirector	31	—	—	20,651	—
Jun 18, 2026 AForm 4 →	Jun 22, 3:09 pm EDT	Rocky MotwaniDirector	12	—	—	8,105	—
Jun 18, 2026 AForm 4 →	Jun 22, 3:06 pm EDT	Kristina M JohnsonDirector	9	—	—	5,998	—
Jun 18, 2026 AForm 4 →	Jun 22, 3:04 pm EDT	Robert L ClarkDirector	51	—	—	33,702	—
Jun 18, 2026 AForm 4 →	Jun 22, 3:03 pm EDT	John J CarmolaDirector	43	—	—	27,954	—
Jun 18, 2026 AForm 4 →	Jun 22, 3:02 pm EDT	Joseph C. BreunigDirector	33	—	—	21,563	—