Form 4 for MTX MINERALS TECHNOLOGIES INC
Accepted 2026-01-23 00:00:00 ET · period of report 2026-01-21 · accession 0000891014-26-000023 · 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| D | 2026-01-23 | 2026-01-21 | MTX | MONAGLE DJ III | Group Pres | M - OptEx | $0.00 | +3,492 | 87.8K | +4% | $0 |
| D | 2026-01-23 | 2026-01-21 | MTX | MONAGLE DJ III | Group Pres | F - Tax | $66.92 | -2,036 | 85.8K | -2% | -$136.2K |
| D | 2026-01-23 | 2026-01-21 | MTX | MONAGLE DJ III | Group Pres | M - OptEx | $0.00 | -3,492 | 30.6K | -10% | $0 |
Purchase Sale Sale after option exercise All abbreviations
Every reported transaction
| # | Table | Security | Date | Code | A/D | Shares | Price | Owned after | Own | Exercise / expiry | Underlying | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Common | Common Stock | 2026-01-21 | M | A | 3,492 | $0.00 | 87,841 | D | — | — | |
| 2 | Common | Common Stock | 2026-01-21 | F | D | 2,036 | $66.92 | 85,805 | D | — | — | (F1) These shares were withheld by Minerals Technologies Inc. to satisfy tax withholding obligations. |
| 3 | Derivative | Deferred Restricted Stock Units (DRSUs) | 2026-01-21 | M | D | 3,492 | $0.00 | 30,596 | D | — · — to — | 3,492 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 21, 2025, and vest in three equal annual installments beginning on January 21, 2026. |