Gregory R. Chemnitz

MTRN

Gregory R. Chemnitz serves as VP General Counsel & Secretary at Materion Corporation (MTRN). This page tracks their complete SEC Form 4 insider trading history including stock purchases and sales.

Total Buys

0 trades

$0.00

Total Sells

14 trades

$3.92M

Net Position

Net Seller

$3.92M

Companies Traded

MTRN

Active Period

May 2022 – Feb 2026

14 total trades

Most Recent

Sell MTRN

Feb 17, 2026 · $628.4K

Gregory R. Chemnitz's Insider Trading at Materion Corporation (MTRN)

Buys

0 · $0.00

Sells

14 · $3.92M

Total Shares Bought

Total Shares Sold

35,610

MTRN Price Chart

Loading chart...

Date	Type	Shares	Avg Price	Value	Shares After
Feb 17, 2026	Sell	4,000	$157.09	$628.4K	0
Nov 6, 2025	Sell	864	$113.23	$97.8K	10,376
Aug 6, 2025	Sell	3,000	$105.17	$315.5K	12,458
May 6, 2025	Sell	2,000	$80.45	$160.9K	14,446
Nov 12, 2024	Sell	2,000	$117.57	$235.1K	13,531
Nov 6, 2024	Sell	2,000	$105.10	$210.2K	14,031
Aug 12, 2024	Sell	2,000	$112.87	$225.7K	16,031
May 15, 2024	Sell	2,000	$113.31	$226.6K	19,662
Feb 22, 2024	Sell	3,000	$133.74	$401.2K	17,238
Aug 30, 2023	Sell	1,800	$107.73	$193.9K	18,990
May 19, 2023	Sell	2,378	$102.05	$242.7K	19,310
Feb 27, 2023	Sell	3,000	$110.00	$330.0K	19,360
Aug 23, 2022	Sell	2,868	$96.35	$276.3K	17,563
May 16, 2022	Sell	4,700	$80.00	$376.0K	17,195