Materion director granted 9.652 deferred shares

MATERION Corp director Patrick M. Prevost received a small stock award credited to a deferred compensation plan, modestly increasing his indirect holdings.

Rhea-AI Filing Summary

MATERION Corp (MTRN) director Patrick M. Prevost reported an acquisition of common stock through a compensation arrangement. On September 4, 2026, he received a grant or award of 9.652 shares of common stock credited to a Directors Deferred Compensation Plan, bringing his reported indirect holdings in that plan to 18,416.431 shares.

Insider Trade Summary

Grant/Award: 9.652 shares

Grant/Award 1 txn

Insider Prevost Patrick M.

Role Director

Type	Security	Shares	Price	Value
Grant/Award	Common Stock	9.652	$0.00	$0.00

Holdings After Transaction: Common Stock — 18,416.431 shares (Indirect, Held In Directors Deferred Comp. Plan)

Key Figures

Shares granted: 9.652 shares Holdings after transaction: 18,416.431 shares Transaction date: September 4, 2026

3 metrics

Shares granted 9.652 shares Common stock grant or award on September 4, 2026

Holdings after transaction 18,416.431 shares Indirect common stock holdings in Directors Deferred Compensation Plan after grant

Transaction date September 4, 2026 Date of grant or award acquisition reported on Form 4

Key Terms

Directors Deferred Comp. Plan, indirect, Form 4

3 terms

Directors Deferred Comp. Plan financial

"nature of ownership is described as Held In Directors Deferred Comp. Plan"

indirect financial

"ownership type for the transaction is reported as indirect"

Form 4 regulatory

"INSIDER FILING DATA (Form 4) describes this insider transaction"

Form 4 is a official document that company insiders, such as executives or major shareholders, file with regulators whenever they buy or sell company shares. It provides transparency about how those with inside knowledge are trading, helping investors see if insiders are confident in the company's prospects or may be selling for personal reasons. This information can influence investor decisions by revealing insiders' perspectives on the company's value.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What insider transaction did MTRN disclose for Patrick M. Prevost?

MATERION Corp reported that director Patrick M. Prevost acquired 9.652 shares of common stock on September 4, 2026 as a grant or award credited to a Directors Deferred Compensation Plan.

Was the MTRN Form 4 transaction a purchase or a grant?

The Form 4 shows a grant or award acquisition, not an open-market purchase. Code A indicates the 9.652 shares of common stock were awarded, typically as part of director compensation.

How many MTRN shares does Patrick M. Prevost hold after this transaction?

After the September 4, 2026 grant, Patrick M. Prevost is reported as indirectly holding 18,416.431 shares of MATERION Corp common stock in a Directors Deferred Compensation Plan.

Is Patrick M. Prevost’s MTRN ownership direct or indirect?

The reported holdings from this Form 4 are indirect, with the nature of ownership described as “Held In Directors Deferred Comp. Plan”, meaning the shares are credited within that plan rather than held directly in his name.

Was the MTRN insider transaction under a Rule 10b5-1 trading plan?

The filing indicates no Rule 10b5-1 trading plan for this transaction; the document-level checkbox for such a plan is shown as not affirmed.

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

Form 4 Insider Transactions: What Each Field Means →

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Available on EDGAR 09/09/2026 - 05:00 PM Accepted by SEC EDGAR 09/09/2026 - 04:59 PM Learn about SEC filing dates

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^*

Prevost Patrick M.

(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)

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

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
09/04/2026

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

X	Form 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)
			Code	V	Amount	(A) or (D)	Price
Common Stock	09/04/2026		A		9.652	A	$0	18,416.431	I	Held In Directors Deferred Comp. Plan

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	09/09/2026
	** 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.
* Form 4: SEC 1474 (03-26)