CHADWICK SHELLY MARIE (Vice President, Finance & CFO) sold 7.3% of their position (1.19K shares) of MATERION CORP on the open market
Open‑market sale worth $237.1K — a moderate reduction. Review remaining holdings and any 10b5‑1 plan disclosures.
S · 1 sale
Filed: 5/12/2026ACC: 0001688289-26-000014
Officer· Vice President, Finance & CFO
Since Nov 2020
-4.91K
Net shares
Net seller
$977.9K
Total sold
1
Open market trades
0B · 1S
4
Total transactions
4.91K acquired · 9.82K disposed
Non-Derivative Transactions3
Common Stock
Direct
Shares
+4.91K
Price / share
$113.28
Trade value
$556.43K
% of position
32.2%
5/8/2026
15.25K→20.16K
Common Stock
Direct
Shares
−3.72K
Price / share
$199.14
Trade value
$740.80K
% of position
18.5%
5/8/2026
20.16K→16.44K
Common Stock
Direct
Shares
−1.19K
Price / share
$198.88
Trade value
$237.06K
% of position
7.3%
5/8/2026
16.44K→15.25K
Total
Net shares
+0.00
Net value
-$421.43K
| Security | Date | Type | Shares | Price / Share | Trade Value | % of Position | Held Before | Held After |
|---|---|---|---|---|---|---|---|---|
| Common Stock Direct | 5/8/2026 | M · Option Exercise | +4.91K | $113.28 | $556.43K | 32.2% | 15.25K | 20.16K |
| Common Stock Direct | 5/8/2026 | F · Tax Withholding | −3.72K | $199.14 | $740.80K | 18.5% | 20.16K | 16.44K |
| Common Stock Direct | 5/8/2026 | S · Sale | −1.19K | $198.88 | $237.06K | 7.3% | 16.44K | 15.25K |
| Total | +0.00 | -$421.43K | ||||||
Derivative Transactions1
Stock Appreciation Rights
Direct
Converts to
Common Stock
4.91K shares
Shares
−4.91K
Strike price
113.28
Held after
0.00
Exercisable
—
5/8/2026
| Security | Converts To | Date | Type | Shares | Strike Price | Exercisable | Held After |
|---|---|---|---|---|---|---|---|
| Stock Appreciation Rights Direct | Common Stock4.91K shares | 5/8/2026 | M · Option Exercise | −4.91K | 113.28 | — | 0.00 |