Form 4 for MTRN MATERION Corp
Accepted 2026-05-12 15:46:43 ET · period of report 2026-05-08 · accession 0001688289-26-000014 · 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 | 2026-05-12 15:46 | 2026-05-08 | MTRN | Chadwick Shelly Marie | VP, CFO, Fin | M - OptEx | $113.28 | +4,912 | 20.2K | +32% | +$556.4K |
| D | 2026-05-12 15:46 | 2026-05-08 | MTRN | Chadwick Shelly Marie | VP, CFO, Fin | F - Tax | $199.14 | -3,720 | 16.4K | -18% | -$740.8K |
| D | 2026-05-12 15:46 | 2026-05-08 | MTRN | Chadwick Shelly Marie | VP, CFO, Fin | S - Sale+OE | $198.88 | -1,192 | 15.2K | -7% | -$237.1K |
| D | 2026-05-12 15:46 | 2026-05-08 | MTRN | Chadwick Shelly Marie | VP, CFO, Fin | M - OptEx | $0.00 | -4,912 | 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 | 2026-05-08 | M | A | 4,912 | $113.28 | 20,158 | D | — | — | |
| 2 | Common | Common Stock | 2026-05-08 | F | D | 3,720 | $199.14 | 16,438 | D | — | — | |
| 3 | Common | Common Stock | 2026-05-08 | S | D | 1,192 | $198.88 | 15,246 | D | — | — | |
| 4 | Derivative | Stock Appreciation Rights | 2026-05-08 | M | D | 4,912 | $0.00 | 0 | D | $113.28 · — to 2030-03-01 | 4,912 Common Stock | (F1) The Stock Appreciation Rights vested in three equal annual installments beginning March 1, 2024. |