Materion CAO awarded 1 restricted stock unit

Materion’s chief accounting officer received an additional restricted stock unit via dividend reinvestment, modestly increasing her equity-based holdings.

Rhea-AI Filing Summary

MATERION Corp (MTRN) reported that Chief Accounting Officer Melissa A. Fashinpaur received a grant of 1 restricted stock unit on September 4, 2026. Each unit represents one share of common stock and was acquired through the reinvestment of dividend equivalents, vesting at the same time as the related restricted stock units.

Insider Trade Summary

Grant/Award: 1 shares

Grant/Award 1 txn

Insider Fashinpaur Melissa A

Role Chief Accounting Officer

Type	Security	Shares	Price	Value
Grant/Award	Restricted Stock Units F1, F2, F3	1	$0.00	$0.00

Holdings After Transaction: Restricted Stock Units — 2,239 contracts (Direct)

Footnotes (3)

1. F1. Each restricted stock unit represents a right to receive one share of MTRN common stock.
2. F2. These restricted stock units, which were acquired upon the reinvestment of dividend equivalents, will vest at the same time as the restricted stock units to which they relate.
3. F3. Expiration Date is the same as the Date Exercisable.

Key Figures

Restricted stock units acquired: 1 unit Underlying common stock per unit: 1 share Restricted stock units held after transaction: 2,239 units +1 more

4 metrics

Restricted stock units acquired 1 unit Grant/award acquisition on September 4, 2026

Underlying common stock per unit 1 share Each restricted stock unit represents one share of MTRN common stock

Restricted stock units held after transaction 2,239 units Direct holdings of Melissa A. Fashinpaur following the September 4, 2026 grant

Transaction price per restricted stock unit $0.00 per unit Reported price for the September 4, 2026 restricted stock unit grant

Key Terms

Restricted Stock Units, dividend equivalents, Expiration Date

3 terms

Restricted Stock Units financial

"Each restricted stock unit represents a right to receive one share"

Restricted stock units are a type of company reward where employees are promised shares of stock, but they only fully own these shares after meeting certain conditions, like staying with the company for a set time. They matter because they can become valuable assets and are often used to motivate employees to help the company succeed.

dividend equivalents financial

"acquired upon the reinvestment of dividend equivalents, will vest"

Payments tied to employee or contractor equity awards that mirror the cash dividends paid on the company’s stock; they give the holder the same economic benefit as owning the shares without transferring actual shares—often paid in cash or additional award units when the award becomes payable. Investors care because these payments affect a company’s compensation costs, cash flow and potential share dilution, and they signal how management is being rewarded and aligned with shareholders.

Expiration Date financial

"Expiration Date is the same as the Date Exercisable"

The expiration date is the deadline after which a financial contract, such as an option or a futures agreement, is no longer valid or can be exercised. It matters to investors because it determines the timeframe during which they can take action or benefit from the contract, similar to how a coupon or a food item has a limited period of usefulness. Once the expiration date passes, the contract loses its value or ability to be used.

FAQ

What did MTRN’s Chief Accounting Officer report acquiring in this Form 4?

Melissa A. Fashinpaur reported acquiring 1 restricted stock unit on September 4, 2026. Each unit represents the right to receive one share of Materion common stock and was received as a grant/award acquisition.

How were the new restricted stock units for MTRN’s officer obtained?

The new restricted stock units were acquired upon the reinvestment of dividend equivalents. These units result from dividends credited on existing restricted stock units rather than a cash dividend payment.

When will the newly acquired MTRN restricted stock unit vest?

The filing states that this restricted stock unit will vest at the same time as the restricted stock units to which it relates, tying its vesting schedule to the original award’s vesting terms.

How many restricted stock units does the MTRN officer hold after this transaction?

After this transaction, Melissa A. Fashinpaur holds 2,239 restricted stock units directly. Each restricted stock unit represents a right to receive one share of Materion common stock.

Was a Rule 10b5-1 trading plan involved in this MTRN Form 4 transaction?

No. The Form 4 indicates no Rule 10b5-1 trading plan for this transaction, meaning the grant of the restricted stock unit was not reported as made under an affirmed 10b5-1 plan.

What is the exercise or conversion price for the reported MTRN restricted stock unit?

The reported transaction shows a price per unit of $0.00, consistent with a grant or award of restricted stock units where no cash is paid by the officer to receive the unit.

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

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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^*

Fashinpaur Melissa A

(Last) (First) (Middle)

6070 PARKLAND BOULEVARD

(Street)

MAYFIELD HEIGHTS 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)

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

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

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
Restricted Stock Units	(1)	09/04/2026		A		1		(2)	(3)	Common Stock	1	$0	2,239	D

Explanation of Responses:

1. Each restricted stock unit represents a right to receive one share of MTRN common stock.

2. These restricted stock units, which were acquired upon the reinvestment of dividend equivalents, will vest at the same time as the restricted stock units to which they relate.

3. Expiration Date is the same as the Date Exercisable.

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)