CHEMNITZ GREGORY R. (VP General Counsel & Secretary) sold 43.2% of their position (4.52K shares) of MATERION CORP on the open market
Open‑market sale worth $710.6K — a major position exit. Review remaining holdings and any 10b5‑1 plan disclosures.
Common Stock
Shares
+2K
Price / share
—
Trade value
—
% of position
Common Stock
Shares
−1.21K
Price / share
$166.59
Trade value
$201.74K
% of position
Common Stock
Shares
+3.04K
Price / share
$113.28
Trade value
$344.37K
% of position
Common Stock
Shares
+1.47K
Price / share
$135.58
Trade value
$199.44K
% of position
Common Stock
Shares
+1.02K
Price / share
$87.36
Trade value
$88.85K
% of position
Common Stock
Shares
−4.45K
Price / share
$157.26
Trade value
$699.02K
% of position
Common Stock
Shares
−1.08K
Price / share
$157.51
Trade value
$170.59K
% of position
Common Stock
Shares
−3.43K
Price / share
$157.26
Trade value
$540.03K
% of position
Net shares
−2.64K
Net value
-$978.73K
| Security | Date | Type | Shares | Price / Share | Trade Value | % of Position | Held Before | Held After |
|---|---|---|---|---|---|---|---|---|
| Common Stock Direct | 3/1/2026 | M · Option Exercise | +2K | — | — | 23.4% | 8.57K | 10.57K |
| Common Stock Direct | 3/2/2026 | F · Tax Withholding | −1.21K | $166.59 | $201.74K | 11.5% | 10.57K | 9.36K |
| Common Stock Direct | 3/3/2026 | M · Option Exercise | +3.04K | $113.28 | $344.37K | 32.5% | 9.36K | 12.40K |
| Common Stock Direct | 3/3/2026 | M · Option Exercise | +1.47K | $135.58 | $199.44K | 11.9% | 12.40K | 13.88K |
| Common Stock Direct | 3/3/2026 | M · Option Exercise | +1.02K | $87.36 | $88.85K | 7.3% | 13.88K | 14.89K |
| Common Stock Direct | 3/3/2026 | F · Tax Withholding | −4.45K | $157.26 | $699.02K | 29.8% | 14.89K | 10.45K |
| Common Stock Direct | 3/3/2026 | S · Sale | −1.08K | $157.51 | $170.59K | 10.4% | 10.45K | 9.36K |
| Common Stock Direct | 3/3/2026 | S · Sale | −3.43K | $157.26 | $540.03K | 36.7% | 9.36K | 5.93K |
| Total | −2.64K | -$978.73K | ||||||
Restricted Stock Units
Common Stock
2K shares
Shares
−2K
Strike price
Held after
2.06K
Exercisable
—
Restricted Stock Units
Common Stock
1.48K shares
Shares
+1.48K
Strike price
Held after
3.54K
Exercisable
—
Stock Appreciation Rights
Common Stock
2.27K shares
Shares
+2.27K
Strike price
166.59
Held after
2.27K
Exercisable
—
Stock Appreciation Rights
Common Stock
3.04K shares
Shares
−3.04K
Strike price
113.28
Held after
0.00
Exercisable
—
Stock Appreciation Rights
Common Stock
1.47K shares
Shares
−1.47K
Strike price
135.58
Held after
736.00
Exercisable
—
Stock Appreciation Rights
Common Stock
1.02K shares
Shares
−1.02K
Strike price
87.36
Held after
2.03K
Exercisable
—
| Security | Converts To | Date | Type | Shares | Strike Price | Exercisable | Held After |
|---|---|---|---|---|---|---|---|
| Restricted Stock Units Direct | Common Stock2K shares | 3/1/2026 | M · Option Exercise | −2K | — | 2.06K | |
| Restricted Stock Units Direct | Common Stock1.48K shares | 3/1/2026 | A · Award | +1.48K | — | 3.54K | |
| Stock Appreciation Rights Direct | Common Stock2.27K shares | 3/1/2026 | A · Award | +2.27K | 166.59 | — | 2.27K |
| Stock Appreciation Rights Direct | Common Stock3.04K shares | 3/3/2026 | M · Option Exercise | −3.04K | 113.28 | — | 0.00 |
| Stock Appreciation Rights Direct | Common Stock1.47K shares | 3/3/2026 | M · Option Exercise | −1.47K | 135.58 | — | 736.00 |
| Stock Appreciation Rights Direct | Common Stock1.02K shares | 3/3/2026 | M · Option Exercise | −1.02K | 87.36 | — | 2.03K |
Common Stock
Indirect| Security Title | Shares Owned | Ownership Type |
|---|---|---|
| Common Stock | 5.34K | Indirect |
| Total | 5.34K | 5.34K indirect |