Corporate insider · disclosed-activity record
Chemnitz Gregory R.
VP General Counsel & Secretary
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
0
Bearish filings
10
Names touched
1
Disclosed $ (bull / bear)
$0 / $3.5M
Most active in: MTRN (10)
Disclosures, last 12 months
10 of 10 · linked to source| Date | Name | What | Disclosed $ | Receipt |
|---|---|---|---|---|
| 2026-03-03 | MTRN | sold | $171K | SEC ↗ |
| 2026-03-03 | MTRN | sold | $540K | SEC ↗ |
| 2026-03-03 | MTRN | filed notice to sell | $711K | SEC ↗ |
| 2026-02-17 | MTRN | sold | $628K | SEC ↗ |
| 2026-02-17 | MTRN | filed notice to sell | $628K | SEC ↗ |
| 2025-11-04 | MTRN | sold | $98K | SEC ↗ |
| 2025-11-04 | MTRN | filed notice to sell | $98K | SEC ↗ |
| 2025-08-04 | MTRN | sold | $96K | SEC ↗ |
| 2025-08-04 | MTRN | sold | $219K | SEC ↗ |
| 2025-08-04 | MTRN | filed notice to sell | $316K | SEC ↗ |
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Public filings only, shown as filed; the linked filing is the authoritative record. Descriptive, not investment advice — and never an allegation: proximity of a disclosure to any event is a fact of dates, not a conclusion about intent. Methodology · Today's notable signals