Gregory R. Chemnitz

Insider Reports History

Identity Names, identifiers, and filing context for this profile. 1 identity field
Reporting-owner location
Mayfield Hts., OH
SEC source record Original filing metadata and source links for verification. 1 source field
Latest reporting-owner signature
/s/Michelle R. Mekinda, as Attorney-In-Fact
Source: Latest parsed Forms 3/4/5 signature
Source evidence Original filing metadata and source links for verification. 1 source field
Transaction source note
Rows are grouped by transaction date from the original SEC filing. Open the aggregated insider activity page to review issuer-level activity across dates.

Reported holdings for Gregory R. Chemnitz

Form 4 holding VP General Counsel & Secretary

MATERION Corp

Security class
Common Stock
Shares / value
5,930
Estimated value
$859,909
Report date
09 Mar 2026
Price
$145.01
Ownership
Direct
Form 4 holding VP General Counsel & Secretary

MATERION Corp

Security class
Common Stock
Shares / value
5,348
Estimated value
$775,554
Report date
06 Mar 2026
Price
$145.01
Ownership
Held in 401(k) Plan
Form 4 holding VP General Counsel & Secretary

MATERION Corp

Security class
Restricted Stock Units
Shares / value
3,545
Estimated value
$350,553
Report date
12 Jun 2026
Price
$88.77
Ownership
Direct
Underlying class
Common Stock
Underlying amount
Form 4 holding VP General Counsel & Secretary

MATERION Corp

Security class
Stock Appreciation Rights
Shares / value
2,034
Estimated value
Report date
03 Mar 2026
Price
Ownership
Direct
Underlying class
Common Stock
Underlying amount

Insider Reports Filed by Gregory R. Chemnitz

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