Shelly Marie Chadwick - 07 Aug 2026 Form 4 Insider Report for MATERION Corp (MTRN)

Reporting relationship: Vice President, Finance & CFO
Issuer ticker: MTRN
Reported as of: 07 Aug 2026
Net transaction value: -$499,565
SEC form: 4
Accepted by SEC: 11 Aug 2026, 16:50:11 UTC
Prior SEC filing: 16 Jun 2026
Source filing: View source filing
Reporting owner signature: /s/Michelle R. Mekinda, as Attorney-In-Fact

Key filing fact

Shelly Marie Chadwick filed Form 4 for MATERION Corp (MTRN) on 11 Aug 2026.

Key facts

This page summarizes Shelly Marie Chadwick's Form 4 filing for MATERION Corp (MTRN).
6 reported transactions and 2 derivative rows are listed below.
Accepted by SEC: 11 Aug 2026, 16:50.

Change

Previous filing in this sequence was filed on 16 Jun 2026.
Current net transaction value: -$499,565.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0001688289 Primary reporting owner

Chadwick Shelly Marie

Relationship: Vice President, Finance & CFO
Address: 6070 PARKLAND BLVD., MAYFIELD HTS.
Signature: /s/Michelle R. Mekinda, as Attorney-In-Fact
Signature date: 11 Aug 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

MTRN transaction

Common Stock

Options Exercise

Transaction value
Shares: +2,800
Change %: +18%
Price: $135.58^*
Shares after: 18,046
Date: 07 Aug 2026
Ownership: Direct

MTRN transaction

Common Stock

Options Exercise

Transaction value
Shares: +2,172
Change %: +12%
Price: $87.36^*
Shares after: 20,218
Date: 07 Aug 2026
Ownership: Direct

MTRN transaction

Common Stock

Tax liability

Transaction value
Shares: -3,267
Change %: -16%
Price: $293.40^*
Shares after: 16,951
Date: 07 Aug 2026
Ownership: Direct

MTRN transaction

Common Stock

Sale

Transaction value: $499,565
Shares: -1,705
Change %: -10%
Price: $293.00
Shares after: 15,246
Date: 07 Aug 2026
Ownership: Direct

Reported derivative securities

Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.

MTRN transaction Derivative

Stock Appreciation Rights

Options Exercise

Transaction value
Shares: -2,800
Change %: -67%
Price: $0.000000^*
Shares after: 1,400
Date: 07 Aug 2026
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 2,800
Exercise price: $135.58
Footnotes: F1

MTRN transaction Derivative

Stock Appreciation Rights

Options Exercise

Transaction value
Shares: -2,172
Change %: -33%
Price: $0.000000^*
Shares after: 4,345
Date: 07 Aug 2026
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 2,172
Exercise price: $87.36
Footnotes: F2

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 2 footnotes

Footnote F1

The Stock Appreciation Rights vest in three substantially equal annual installments beginning March 1, 2025.

Footnote F2

The Stock Appreciation Rights vest in three substantially equal annual installments beginning March 1, 2026.