Chemnitz Gregory R.

Insider

VP General Counsel & Secretary

Trades at: MTRN

30D 90D 1Y

Net shares · 365d

-12.4K

0 buy · 12.4K sell

Net value · 365d

-$1.8M

$0 in · $1.8M out

Sentiment · 365d

Net selling

0% buying · 100% selling

Open-market trades · 365d

0 buy · 12.4K sell

Trading track record · all companies

Running net of open-market buys − sells across every company. Tap the line or a marker for details. ▲ buy · ▼ sell.

All transactions · open-market

Include grants & non-market

MTRN Sell·S
Mar 3, 26

VP General Counsel & Secretary

$710.6K

4.5K sh · $157.32 avg · 2 lots

Own -43%
MTRN Sell·S
Feb 17, 26

VP General Counsel & Secretary

$628.4K

4.0K sh · $157.09

Own -32%
MTRN Sell·S
Nov 4, 25

VP General Counsel & Secretary

$97.8K

864 sh · $113.23

Own -8%
MTRN Sell·S
Aug 4, 25

VP General Counsel & Secretary

$315.5K

3.0K sh · $105.17 avg · 2 lots

Own -22%

Date▾	Ticker	Role	Type	Shares	Own Δ	Price	Value
Mar 3, 2026	MTRN	VP General Counsel & Secretary	Sell S	4.5K2 lots	-43%	$157.32 avg	$710.6K
Feb 17, 2026	MTRN	VP General Counsel & Secretary	Sell S	4.0K	-32%	$157.09	$628.4K
Nov 4, 2025	MTRN	VP General Counsel & Secretary	Sell S	864	-8%	$113.23	$97.8K
Aug 4, 2025	MTRN	VP General Counsel & Secretary	Sell S	3.0K2 lots	-22%	$105.17 avg	$315.5K

About Chemnitz Gregory R.

This profile aggregates every SEC Form 4 insider transaction reported by Chemnitz Gregory R. across all companies they trade. Open-market purchases (code P) and sales (code S) are the highest-signal, discretionary trades; grants (A), option exercises (M) and gifts (G) reflect compensation rather than conviction and carry no market price. Figures cover the selected period and update as new filings are ingested.