Corporate insider · disclosed-activity record
President and CEO
Every row below is a public disclosure this person or firm filed, dated and linked to its source. This is a factual record of what was disclosed and when — what it means, and whether any timing is coincidence or signal, is a judgment this page deliberately does not make.
Bullish filings
1
Bearish filings
22
Names touched
1
Disclosed $ (bull / bear)
$1.1M / $21.9M
Most active in: MTRN (23)
| Date | Name | What | Disclosed $ | Receipt |
|---|---|---|---|---|
| 2026-08-07 | MTRN | sold | $1.1M | SEC ↗ |
| 2026-08-07 | MTRN | sold | $1.4M | SEC ↗ |
| 2026-08-07 | MTRN | sold | $84K | SEC ↗ |
| 2026-08-07 | MTRN | sold | $78K | SEC ↗ |
| 2026-08-07 | MTRN | sold | $396K | SEC ↗ |
| 2026-08-07 | MTRN | sold | $83K | SEC ↗ |
| 2026-08-07 | MTRN | sold | $3.2M | SEC ↗ |
| 2026-08-07 | MTRN | sold | $686K | SEC ↗ |
| 2026-08-07 | MTRN | filed notice to sell | $3.4M | SEC ↗ |
| 2026-08-07 | MTRN | filed notice to sell | $3.8M | SEC ↗ |
| 2026-02-18 | MTRN | sold | $930K | SEC ↗ |
| 2026-02-18 | MTRN | sold | $637K | SEC ↗ |
| 2026-02-18 | MTRN | sold | $348K | SEC ↗ |
| 2026-02-18 | MTRN | sold | $6K | SEC ↗ |
| 2026-02-18 | MTRN | filed notice to sell | $1.9M | SEC ↗ |
| 2026-02-17 | MTRN | sold | $404K | SEC ↗ |
| 2026-02-17 | MTRN | sold | $780K | SEC ↗ |
| 2026-02-17 | MTRN | sold | $180K | SEC ↗ |
| 2026-02-17 | MTRN | sold | $199K | SEC ↗ |
| 2026-02-17 | MTRN | sold | $231K | SEC ↗ |
| 2026-02-17 | MTRN | sold | $132K | SEC ↗ |
| 2026-02-17 | MTRN | exercised options & held the shares | $1.1M | — |
| 2026-02-17 | MTRN | filed notice to sell | $1.9M | SEC ↗ |
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