Materion (NYSE: MTRN) director gets 9.499-share stock award

Rhea-AI Filing Summary

Prevost Patrick M. reported acquisition or exercise transactions in this Form 4 filing.

Materion Corp director Patrick M. Prevost reported receiving a grant of 9.499 shares of Common Stock on June 12, 2026. The award was credited at no cost into a Directors Deferred Compensation Plan, which is reported as indirect ownership. Following this grant, his indirect holdings in this plan total 18,325.779 shares of Materion common stock.

Insider Trade Summary

1 transaction reported

Mixed 1 txn

Insider Prevost Patrick M.

Role null

Type	Security	Shares	Price	Value
Grant/Award	Common Stock	9.499	$0.00	--

Holdings After Transaction: Common Stock — 18,325.779 shares (Indirect, Held In Directors Deferred Comp. Plan)

Footnotes (1)

Key Figures

Shares granted: 9.499 shares Grant price: $0.0000 per share Holdings after transaction: 18,325.779 shares +1 more

4 metrics

Shares granted 9.499 shares Common Stock grant on June 12, 2026

Grant price $0.0000 per share Recorded grant price for awarded shares

Holdings after transaction 18,325.779 shares Indirect holdings in Directors Deferred Comp. Plan after grant

Transaction code A (Grant, award, or other acquisition) SEC Form 4 transaction code description

Key Terms

Directors Deferred Comp. Plan, indirect ownership, Grant, award, or other acquisition

3 terms

Directors Deferred Comp. Plan financial

"Held In Directors Deferred Comp. Plan"

indirect ownership financial

"ownership_type: "indirect", ownership_code: "I""

Grant, award, or other acquisition financial

"transaction_code_description: "Grant, award, or other acquisition""

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Form 4 Insider Transactions: What Each Field Means →

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)
06/12/2026

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	06/12/2026		A		9.499	A	$0	18,325.779	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	06/16/2026
	** 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)

FAQ

What insider transaction did MTRN director Patrick Prevost report?

Director Patrick M. Prevost reported an acquisition of 9.499 shares of Materion Corp common stock. The shares were granted at no cost and credited to a Directors Deferred Compensation Plan, increasing his reported indirect holdings in the plan.

Was the Materion (MTRN) Form 4 transaction a purchase or a grant?

The Materion Corp Form 4 shows a share grant, not an open-market purchase. Patrick M. Prevost received 9.499 shares as a grant or award, recorded at a price of $0.0000 per share in a deferred compensation plan.

How many MTRN shares does Patrick Prevost hold after this Form 4?

After the reported grant, Patrick M. Prevost’s indirect holdings in Materion Corp common stock through the Directors Deferred Compensation Plan total 18,325.779 shares. This figure reflects the position following the June 12, 2026 award.

What type of ownership is reported for Patrick Prevost’s MTRN shares?

The Form 4 reports Patrick M. Prevost’s holdings as indirect ownership. The 9.499-share grant and the total 18,325.779 shares are held in a Directors Deferred Compensation Plan, rather than as directly owned shares in a personal brokerage account.

Did the Materion (MTRN) director sell any shares in this Form 4 filing?

No sales are reported in this Form 4. The filing shows only an acquisition transaction coded as a grant or award of 9.499 Materion Corp common shares, with no dispositions or sales listed in the summarized data.