Materion Corp (MTRN) CFO adds RSUs via dividend-equivalent grant

Rhea-AI Filing Summary

Materion Corp Vice President, Finance & CFO Shelly Marie Chadwick received a small compensation-related equity award. On June 12, 2026, she acquired 8 restricted stock units (RSUs), granted at no cash cost through the reinvestment of dividend equivalents.

Each RSU represents the right to receive one share of Materion common stock, and these new RSUs will vest at the same time as the original RSUs they relate to. Following this award, Chadwick directly holds 12,498 RSUs, reflecting her continuing equity-based stake aligned with shareholders.

Insider Trade Summary

1 transaction reported

Mixed 1 txn

Insider Chadwick Shelly Marie

Role Vice President, Finance & CFO

Type	Security	Shares	Price	Value
Grant/Award	Restricted Stock Units	8	$0.00	--

Holdings After Transaction: Restricted Stock Units — 12,498 shares (Direct, null)

Footnotes (1)

1. Each restricted stock unit represents a right to receive one share of MTRN common stock. 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. Expiration Date is the same as the Date Exercisable.

Key Figures

RSUs granted: 8 restricted stock units RSU holdings after grant: 12,498 restricted stock units Grant price per unit: $0.00 per RSU +2 more

5 metrics

RSUs granted 8 restricted stock units Grant date June 12, 2026

RSU holdings after grant 12,498 restricted stock units Total RSUs following the reported transaction

Grant price per unit $0.00 per RSU Compensation-related award with no cash paid by insider

Transaction type Grant, award, or other acquisition Code A derivative transaction, RSU award

Transaction direction Acquire One derivative acquisition transaction reported

Key Terms

Restricted Stock Units, dividend equivalents, Expiration Date, grant, award, or other acquisition

4 terms

Restricted Stock Units financial

"security_title: "Restricted Stock Units" and underlying_security_title: "Common Stock""

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 at the same time"

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.

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^*

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)

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	Vice President, Finance & CFO

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

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)	06/12/2026		A		8		(2)	(3)	Common Stock	8	$0	12,498	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	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 CFO Shelly Marie Chadwick report?

Shelly Marie Chadwick reported receiving 8 restricted stock units as a compensation-related equity award. The units were acquired through reinvested dividend equivalents and granted at no cash cost, increasing her total restricted stock unit holdings in Materion Corp.

How many restricted stock units does the MTRN CFO hold after this Form 4?

After this transaction, Shelly Marie Chadwick holds 12,498 restricted stock units. These RSUs represent rights to receive the same number of Materion common shares, reinforcing her equity-based alignment with shareholders through ongoing stock-based compensation awards.

What does each restricted stock unit reported by MTRN’s CFO represent?

Each restricted stock unit reported represents the right to receive one share of Materion common stock. This means the 8 new units and the total of 12,498 units correspond to potential future delivery of the same number of common shares, subject to vesting.

How were the new MTRN restricted stock units for the CFO created?

The 8 new restricted stock units were acquired upon reinvestment of dividend equivalents. Instead of paying cash dividends, dividend equivalents on existing awards were converted into additional RSUs, which will vest on the same schedule as the related original units.

When will the newly acquired MTRN restricted stock units vest?

The 8 additional restricted stock units will vest at the same time as the restricted stock units to which they relate. Their vesting is therefore tied to the original award’s schedule, keeping the incremental dividend-equivalent units on an identical timetable.