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Chadwick Shelly Marie's Form 4 filing

MATERION Corp (MTRN) · filed Feb 25, 2026

Accession no.
0001688289-26-000008
Filed
Feb 25, 2026
Trade date
Feb 23, 2026
Filing delay
2 days
Rule 10b5-1 plan
Not checked

This filing lists 2 non-derivative transactions. Open-market sales total $1.31M. It was filed 2 days after the trade.

Reporting owners

A Form 4 can have several reporting owners, such as a person and a fund they control. Trade tables show the first one.

Reporting owners on this filing
OwnerRelationship to the company
Chadwick Shelly MarieCIK 0001688289Officer (Vice President, Finance & CFO)

Non-derivative securities (Table I)

Acquisitions and disposals of common stock and similar shares, one row per line on the filing.

Non-derivative transactions
Trade dateSecurityTransactionSharesPriceValueShares afterOwnershipFlags
Feb 23, 2026Common StockSSaleDisposed−3,975$145.03F1−$576,494.2521,140Direct
Feb 23, 2026Common StockSSaleDisposed−5,001$147.00−$735,14716,139Direct

Footnotes and remarks

Livermore keeps the footnotes that transaction prices refer to, all footnotes of amendments (Form 4/A) and the filing's remarks. Other footnotes, such as how indirect holdings are held or the details of a trading plan, are only in the original on SEC EDGAR.

F1

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $144.960 to 145.500, inclusive. The Reporting Person undertakes to provide the Issuer, any security holder of the Issuer, or the Staff of the Security and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

Referenced by the price of 1 transaction in Table I.

Read the full filing on SEC EDGAR (opens in a new tab)