STOCK TITAN

Materion (NYSE: MTRN) CFO exercises options and sells 1,192 shares

Filing Impact
(Neutral)
Filing Sentiment
(Neutral)
Form Type
4

Rhea-AI Filing Summary

MATERION Corp Vice President, Finance & CFO Shelly Marie Chadwick exercised 4,912 Stock Appreciation Rights, acquiring the same number of common shares at $113.28 per share. On the same day, 3,720 shares were disposed of to cover tax obligations and 1,192 shares were sold in an open-market transaction at $198.88 per share. After these transactions, she directly holds 15,246 common shares.

Positive

  • None.

Negative

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Insider Chadwick Shelly Marie
Role Vice President, Finance & CFO
Sold 1,192 shs ($237K)
Type Security Shares Price Value
Exercise Stock Appreciation Rights 4,912 $0.00 --
Exercise Common Stock 4,912 $113.28 $556K
Tax Withholding Common Stock 3,720 $199.14 $741K
Sale Common Stock 1,192 $198.88 $237K
Holdings After Transaction: Stock Appreciation Rights — 0 shares (Direct, null); Common Stock — 20,158 shares (Direct, null)
Footnotes (1)
  1. [object Object]
Open-market sale 1,192 shares at $198.88 Common Stock sale on 2026-05-08
Tax-withholding shares 3,720 shares at $199.14 Shares disposed to cover tax liability
Options exercised 4,912 shares at $113.28 Stock Appreciation Rights exercise on 2026-05-08
Post-transaction holdings 15,246 shares Direct common stock owned after transactions
Net buy/sell direction Net-sell of 1,192 shares Aggregate of open-market sale versus acquisitions
Stock Appreciation Rights financial
"The Stock Appreciation Rights vested in three equal annual installments"
Stock appreciation rights (SARs) are a form of employee compensation that give the holder the right to receive the increase in a company's stock price over a set baseline, paid in cash or shares, without having to buy the stock. For investors, SARs matter because they can create future cash outflows or share dilution and signal how a company rewards and motivates executives — similar to giving a bonus tied directly to how well the company’s stock performs.
open-market sale financial
"transaction_action": "open-market sale""
An open-market sale is when a shareholder sells existing shares directly on a public exchange to any willing buyer, rather than through a private deal. Think of it like putting goods on a busy market stall where price is set by supply and demand; for investors it matters because such sales increase available supply, can put short-term downward pressure on the stock price, and signal changes in liquidity or investor confidence.
tax-withholding disposition financial
"transaction_action": "tax-withholding disposition""
A tax-withholding disposition is an event or transaction—such as selling or transferring securities, exercising options, or receiving compensation—that triggers a requirement to hold back part of the payment and remit it to tax authorities. It matters to investors because it reduces the cash they receive immediately and can change the timing and amount of taxable income, like a cashier taking a portion of your sale proceeds to pay taxes before you get the rest.
derivative security financial
"transaction_code_description": "Exercise or conversion of derivative security""
A derivative security is a financial contract whose value comes from the price or performance of something else, such as a stock, bond, commodity, or market index. For investors it acts like an insurance policy or a wager: it can be used to protect against losses, lock in prices, or amplify gains and losses, so it can change a portfolio’s risk and potential return without owning the underlying asset directly.
SEC Form 4
FORM 4UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940
OMB APPROVAL
OMB Number:3235-0287
Estimated average burden
hours per response:0.5
Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).
Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.
1. Name and Address of Reporting Person*
Chadwick Shelly Marie

(Last)(First)(Middle)
6070 PARKLAND BLVD.

(Street)
MAYFIELD HTS. OHIO 44124

(City)(State)(Zip)

UNITED STATES

(Country)
2. Issuer Name and Ticker or Trading Symbol
MATERION Corp [ MTRN ]
5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
Director10% Owner
XOfficer (give title below)Other (specify below)
Vice President, Finance & CFO
2a. Foreign Trading Symbol
3. Date of Earliest Transaction (Month/Day/Year)
05/08/2026
6. Individual or Joint/Group Filing (Check Applicable Line)
XForm filed by One Reporting Person
Form filed by More than One Reporting Person
4. If Amendment, Date of Original Filed (Month/Day/Year)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3) 2. Transaction Date (Month/Day/Year)2A. Deemed Execution Date, if any (Month/Day/Year)3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4)
CodeVAmount(A) or (D)Price
Common Stock05/08/2026M4,912A$113.2820,158D
Common Stock05/08/2026F3,720D$199.1416,438D
Common Stock05/08/2026S1,192D$198.8815,246D
Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3) 2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (Month/Day/Year)3A. Deemed Execution Date, if any (Month/Day/Year)4. Transaction Code (Instr. 8) 5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 6. Date Exercisable and Expiration Date (Month/Day/Year)7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4) 8. Price of Derivative Security (Instr. 5) 9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4) 10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 11. Nature of Indirect Beneficial Ownership (Instr. 4)
CodeV(A)(D)Date ExercisableExpiration DateTitleAmount or Number of Shares
Stock Appreciation Rights$113.2805/08/2026M4,912 (1)03/01/2030Common Stock4,912$00D
Explanation of Responses:
1. The Stock Appreciation Rights vested in three equal annual installments beginning March 1, 2024.
Remarks:
/s/Michelle R. Mekinda, as Attorney-In-Fact05/12/2026
** Signature of Reporting PersonDate
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.
* Form 4: SEC 1474 (03-26)

FAQ

What did MATERION (MTRN) CFO Shelly Marie Chadwick do in this Form 4?

Shelly Marie Chadwick exercised 4,912 Stock Appreciation Rights into common stock, then had 3,720 shares withheld for taxes and sold 1,192 shares in the open market, resulting in 15,246 shares owned directly afterward.

How many MATERION (MTRN) shares did the CFO sell in the open market?

Shelly Marie Chadwick sold 1,192 shares of MATERION common stock in an open-market transaction at a price of $198.88 per share, while retaining a significantly larger remaining direct position after the transactions.

How many MATERION (MTRN) shares were used for tax withholding?

A total of 3,720 MATERION common shares were disposed of to satisfy tax obligations related to the option exercise, at a reference price of $199.14 per share, which is a non-market, tax-withholding transaction rather than a discretionary sale.

What options or rights did the MATERION (MTRN) CFO exercise?

The CFO exercised 4,912 Stock Appreciation Rights that were convertible into common stock at an exercise price of $113.28 per share, fully using this SAR grant and increasing her direct common stock holdings before tax and sale adjustments.

How many MATERION (MTRN) shares does the CFO own after these transactions?

Following the exercise of Stock Appreciation Rights, tax-withholding disposition, and the open-market sale, Shelly Marie Chadwick directly holds 15,246 shares of MATERION common stock as reflected in the post-transaction ownership figures in the Form 4 data.