Form 4 for MTX MINERALS TECHNOLOGIES INC
Accepted 2025-12-31 00:00:00 ET · period of report 2025-12-29 · accession 0000891014-25-000184 · 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 | 2025-12-31 | 2025-12-29 | MTX | MONAGLE DJ III | Group Pres | S - Sale+OE | $61.90 | -23.1K | 84.3K | -21% | -$1.43M |
| D | 2025-12-31 | 2025-12-29 | MTX | MONAGLE DJ III | Group Pres | M - OptEx | $38.29 | +23.1K | 107.4K | +27% | +$884.2K |
| D | 2025-12-31 | 2025-12-29 | MTX | MONAGLE DJ III | Group Pres | M - OptEx | $0.00 | -23.1K | 0 | -100% | $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 | 2025-12-29 | S | D | 23,093 | $61.90 | 84,349 | D | — | — | (F1) Weighted average price representing high of $62.240 and low of $61.585. |
| 2 | Common | Common Stock | 2025-12-29 | M | A | 23,093 | $38.29 | 107,442 | D | — | — | |
| 3 | Derivative | EMPLOYEE Stock Option (Right to Buy) | 2025-12-29 | M | D | 23,093 | $0.00 | 0 | D | $38.29 · — to 2026-01-19 | 23,093 Common Stock | (F3) The options vested in three equal annual installments beginning on January 19, 2017. |