Materion (MTRN) Director Reports 195-Share Buy, 5,908.972-Share Sale

Rhea-AI Filing Summary

Insider transaction by Director Craig S. Shular at Materion Corp (MTRN). On 10/06/2025 the reporting person acquired 195 shares of common stock at a price of $124.42 per share and disposed of 5,908.972 shares. After the transactions, the reporting person beneficially owned 52,328.979 shares indirectly, held in a directors' deferred compensation plan. The form was signed by an attorney-in-fact on 10/07/2025.

Positive

• Director increased direct ownership by acquiring 195 shares at $124.42, which can signal alignment with shareholder interests
• Large indirect holding of 52,328.979 shares is maintained in a directors' deferred compensation plan, indicating continued stake in the company

Negative

• Substantial disposal of 5,908.972 shares reported on the same filing, which reduces the director's liquid holdings outside the deferred plan

Insights

Corporate Governance Analyst

Small open-market purchase and sizable plan-held balance by a director.

The reported acquisition of 195 shares at $124.42 is a routine, modest purchase size relative to the director's total indirect stake of 52,328.979 shares, which is held in a directors' deferred compensation plan. The disposal of 5,908.972 shares appears alongside the purchase on the same filing, indicating separate actions affecting the director's mix of holdings.

Governance risks are limited for investors because these are standard director transactions and the ownership is held indirectly through a plan. Watch near-term Form 4 filings for further buy/sell patterns or changes to the plan-held balance over the next quarter.

Insider Trade Summary

Net Buyer: 195 shares

Net Buy 2 txns

Insider SHULAR CRAIG S

Role Director

Type	Security	Shares	Price	Value
Grant/Award	Common Stock	195	$124.42	$24K
holding	Common Stock	--	--	--

Holdings After Transaction: Common Stock — 52,328.979 shares (Indirect, Held In Directors Deferred Comp. Plan); Common Stock — 5,908.972 shares (Direct)

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Form 4 Insider Transactions: What Each Field Means →

Accepted by SEC EDGAR 10/07/2025 - 02:05 PM Learn about SEC filing dates

FAQ

What insider activity did MTRN director Craig S. Shular report on 10/06/2025?

He reported acquiring 195 shares at $124.42 and disposing of 5,908.972 shares, with an indirect beneficial ownership of 52,328.979 shares after the transactions.

How many shares does Craig S. Shular beneficially own in MTRN according to the Form 4?

The Form 4 shows an indirect beneficial ownership of 52,328.979 shares, held in a directors' deferred compensation plan.

What price was paid for the shares acquired by the reporting person?

The reported acquisition price was $124.42 per share for 195 shares.

When was the Form 4 signed and filed for this transaction?

The form bears a signature by an attorney-in-fact dated 10/07/2025 and lists the transaction date as 10/06/2025.

Was the reported ownership direct or indirect?

The Form 4 lists the 52,328.979 shares as indirect ownership, specifically held in a directors' deferred compensation plan.

SEC Form 4

FORM 4

UNITED 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^*

SHULAR CRAIG S

(Last) (First) (Middle)

6070 PARKLAND BLVD.

(Street)

MAYFIELD HTS., OH 44124

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
MATERION Corp [ MTRN ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

X	Director		10% Owner
	Officer (give title below)		Other (specify below)

3. Date of Earliest Transaction (Month/Day/Year)
10/06/2025

4. If Amendment, Date of Original Filed (Month/Day/Year)

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

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)
			Code	V	Amount	(A) or (D)	Price
Common Stock	10/06/2025		A		195	A	$124.42	52,328.979	I	Held In Directors Deferred Comp. Plan
Common Stock								5,908.972	D

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)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

Remarks:

	/s/Michelle R. Mekinda, as Attorney-In-Fact	10/07/2025
	** Signature of Reporting Person	Date
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.