Form 4 for MTRN MATERION Corp
Accepted 2026-03-03 00:00:00 ET · period of report 2026-03-01 · accession 0002072270-26-000006 · 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 | 2026-03-03 | 2026-03-03 | MTRN | Fashinpaur Melissa A | CAO | S - Sale+OE | $160.00 | -309 | 310 | -50% | -$49.4K |
| D | 2026-03-03 | 2026-03-01 | MTRN | Fashinpaur Melissa A | CAO | M - OptEx | $0.00 | +659 | 921 | +252% | $0 |
| D | 2026-03-03 | 2026-03-02 | MTRN | Fashinpaur Melissa A | CAO | F - Tax | $166.59 | -302 | 619 | -33% | -$50.3K |
| D | 2026-03-03 | 2026-03-01 | MTRN | Fashinpaur Melissa A | CAO | A - Grant | $0.00 | +628 | 2,235 | +39% | $0 |
| D | 2026-03-03 | 2026-03-01 | MTRN | Fashinpaur Melissa A | CAO | M - OptEx | $0.00 | -659 | 1,607 | -29% | $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 | 2026-03-03 | S | D | 309 | $160.00 | 310 | D | — | — | |
| 2 | Common | Common Stock | 2026-03-01 | M | A | 659 | $0.00 | 921 | D | — | — | |
| 3 | Common | Common Stock | 2026-03-02 | F | D | 302 | $166.59 | 619 | D | — | — | |
| 4 | Derivative | Restricted Stock Units | 2026-03-01 | A | A | 628 | $0.00 | 2,235 | D | — · — to — | 628 Common Stock | (F1) Each restricted stock unit represents a right to receive one share of MTRN common stock. (F4) These restricted stock units vest in three equal annual installments beginning March 1, 2027. (F3) Expiration Date is the same as the Date Exercisable. |
| 5 | Derivative | Restricted Stock Units | 2026-03-01 | M | D | 659 | $0.00 | 1,607 | D | — · — to — | 659 Common Stock | (F1) Each restricted stock unit represents a right to receive one share of MTRN common stock. (F2) These restricted stock units granted on 03/01/2023, 03/01/2024, and 03/01/2025, and any related dividend equivalents, vest in three equal annual installments. (F3) Expiration Date is the same as the Date Exercisable. |