InsiderTrades

Form 4 for MTX MINERALS TECHNOLOGIES INC

Accepted 2026-01-27 00:00:00 ET · period of report 2026-01-23 · accession 0000891014-26-000045 · SEC index · Original document

Summary rows

Aggregated the way they appear in lists: one row per insider, transaction code and security table.

X Filed Traded Ticker Insider Title Type Price Qty Owned ΔOwn Value
DM 2026-01-27 2026-01-23+ MTX Hastings Jonathan J SVP M - OptEx $0.00 +6,164 65.1K +10% $0
DM 2026-01-27 2026-01-23+ MTX Hastings Jonathan J SVP F - Tax $68.83 -2,681 62.1K -4% -$184.5K
DM 2026-01-27 2026-01-23+ MTX Hastings Jonathan J SVP M - OptEx $0.00 -6,164 11.7K -34% $0

Purchase Sale Sale after option exercise All abbreviations

Every reported transaction

#TableSecurityDateCodeA/DSharesPriceOwned afterOwnExercise / expiryUnderlyingFootnotes
1 Common Common Stock 2026-01-23 M A 3,113 $0.00 63,441 D — —
2 Common Common Stock 2026-01-26 F D 1,327 $68.89 63,811 D — — (F1) These shares were withheld by Minerals Technologies Inc. to satisfy tax withholding obligations.
3 Common Common Stock 2026-01-26 M A 3,051 $0.00 65,138 D — —
4 Common Common Stock 2026-01-23 F D 1,354 $68.77 62,087 D — — (F1) These shares were withheld by Minerals Technologies Inc. to satisfy tax withholding obligations.
5 Derivative Deferred Restricted Stock Units (DRSUs) 2026-01-26 M D 3,051 $0.00 8,687 D — · — to — 3,051 Common Stock (F3) Each DRSU is the economic equivalent of one share of Minerals Technologies Inc. Common Stock. (F5) The DRSUs were granted on January 24, 2023 and vest in three equal annual installments beginning on January 24, 2024.
6 Derivative Deferred Restricted Stock Units (DRSUs) 2026-01-23 M D 3,113 $0.00 11,738 D — · — to — 3,113 Common Stock (F3) Each DRSU is the economic equivalent of one share of Minerals Technologies Inc. Common Stock. (F4) The DRSUs were granted on January 23, 2024 and vest in three equal annual installments beginning on January 23, 2025.