CHEMNITZ GREGORY R.

PrivateCIK: 1519910
Location

MAYFIELD HTS., OH

Senior insider sale

VP General Counsel & Secretary at MATERION CORP — senior position signals high conviction

$778.6K

4.95K shares

What this filing means

CHEMNITZ GREGORY R. plans to sell 4.95K shares of MATERION CORP valued at approximately $778.6K. Form 144 is a notice of intent to sell restricted or control securities — not a mandatory transaction. This filing provides advance warning of potential selling pressure.

InsiderCHEMNITZ GREGORY R.CIK 1519910
IssuerMATERION CORPCIK 1104657
Officer· VP General Counsel & Secretary
Since Mar 2026
4.95K
Shares to sell
$778.6K
Approx. market value
4.52K
Acquired (3 months)
1
Planned
1 completed
Securities Acquired — Last 3 Months3
Sort

SAR

Compensation

3/3/2026
1.08K

Restricted Stock Vesting

Compensation

3/1/2026
2.99K

Restricted Stock Vesting

Compensation

3/1/2025
446.00
Total acquired4.52K
Planned & Completed Dispositions2
Sort

Completed

Completed

Units to sell

433.00

Market value

$68.0K

2/17/2026

Planned — Approximate Date

NYSEPlanned

Units to sell

4.52K

Market value

$710.6K

3/3/2026
Total

Units

4.95K

Value

$778.6K

CHEMNITZ GREGORY R. — Planned Insider Sale (Form 144) | Finecho