Form 4 for MTRN MATERION Corp
Accepted 2026-08-11 16:50:11 ET · period of report 2026-08-07 · accession 0001688289-26-000018 · 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 | 2026-08-11 16:50 | 2026-08-07 | MTRN | Chadwick Shelly Marie | VP, CFO, Fin | M - OptEx | $114.52 | +4,972 | 20.2K | +33% | +$569.4K |
| D | 2026-08-11 16:50 | 2026-08-07 | MTRN | Chadwick Shelly Marie | VP, CFO, Fin | F - Tax | $293.40 | -3,267 | 17.0K | -16% | -$958.5K |
| D | 2026-08-11 16:50 | 2026-08-07 | MTRN | Chadwick Shelly Marie | VP, CFO, Fin | S - Sale+OE | $293.00 | -1,705 | 15.2K | -10% | -$499.6K |
| DM | 2026-08-11 16:50 | 2026-08-07 | MTRN | Chadwick Shelly Marie | VP, CFO, Fin | M - OptEx | $0.00 | -4,972 | 4,345 | -53% | $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 | 2026-08-07 | M | A | 2,800 | $135.58 | 18,046 | D | — | — | |
| 2 | Common | Common Stock | 2026-08-07 | M | A | 2,172 | $87.36 | 20,218 | D | — | — | |
| 3 | Common | Common Stock | 2026-08-07 | F | D | 3,267 | $293.40 | 16,951 | D | — | — | |
| 4 | Common | Common Stock | 2026-08-07 | S | D | 1,705 | $293.00 | 15,246 | D | — | — | |
| 5 | Derivative | Stock Appreciation Rights | 2026-08-07 | M | D | 2,800 | $0.00 | 1,400 | D | $135.58 · — to 2031-03-01 | 2,800 Common Stock | (F1) The Stock Appreciation Rights vest in three substantially equal annual installments beginning March 1, 2025. |
| 6 | Derivative | Stock Appreciation Rights | 2026-08-07 | M | D | 2,172 | $0.00 | 4,345 | D | $87.36 · — to 2032-03-01 | 2,172 Common Stock | (F2) The Stock Appreciation Rights vest in three substantially equal annual installments beginning March 1, 2026. |