Materion CFO granted stock units, small tax withholding

Materion Corp Vice President, Finance & CFO Shelly Marie Chadwick reported routine equity compensation adjustments.

Accepted by SEC EDGAR 03/10/2026 - 02:21 PM EDT Learn about SEC filing dates

Rhea-AI Filing Summary

Materion Corp Vice President, Finance & CFO Shelly Marie Chadwick reported routine equity compensation adjustments. On March 6, 2026, she acquired 14 restricted stock units tied to dividend reinvestment and 9 shares of common stock as grants, both at no cash cost. Each restricted stock unit represents a right to receive one share of Materion common stock and will vest at the same time as the related restricted stock units. On March 9, 2026, 6 shares of common stock were disposed of at $144.19 per share to satisfy tax obligations, a non‑market tax-withholding transaction. After these transactions, she directly holds 15,246 shares of common stock and 12,490 restricted stock units.

Insider Trade Summary

3 transactions reported

Mixed 3 txns

Insider Chadwick Shelly Marie

Role Vice President, Finance & CFO

Type	Security	Shares	Price	Value
Exercise Price or Tax Liability	Common Stock	6	$144.19	$865.14
Grant/Award	Restricted Stock Units	14	$0.00	$0.00
Grant/Award	Common Stock	9	$0.00	$0.00

Holdings After Transaction: Restricted Stock Units — 12,490 contracts (Direct); Common Stock — 15,246 shares (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.

FAQ

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What did Materion (MTRN) CFO Shelly Marie Chadwick report in this Form 4?

She reported routine compensation-related equity changes: grants of 14 restricted stock units and 9 common shares on March 6, 2026, plus a small 6-share tax-withholding disposition on March 9, 2026, tied to her existing equity awards.

How many Materion (MTRN) shares does the CFO hold after these transactions?

After these transactions, Shelly Marie Chadwick directly holds 15,246 shares of Materion common stock and 12,490 restricted stock units, each unit representing the right to receive one share upon vesting under the company’s equity award arrangements.

Were the Materion (MTRN) CFO’s transactions open-market buys or sells?

No open-market buys or sells occurred. The Form 4 shows equity grants and a tax-withholding disposition, where 6 shares were delivered at $144.19 per share to cover tax liability, rather than a discretionary market sale or purchase.

What are the restricted stock units reported by Materion (MTRN) CFO?

Each restricted stock unit is a right to receive one share of Materion common stock. The 14 units reported were acquired through reinvestment of dividend equivalents and will vest at the same time as the original restricted stock units they relate to.

Did the Materion (MTRN) CFO’s Form 4 indicate any option exercises?

The summarized data show no option exercises in this filing. Activity consists of restricted stock unit awards, related dividend-equivalent reinvestment, a grant of 9 common shares, and a small 6-share tax-withholding disposition to satisfy associated tax obligations.

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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. 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)

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

3. Date of Earliest Transaction (Month/Day/Year)
03/06/2026

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	03/06/2026		A		9	A	$0	15,252	D
Common Stock	03/09/2026		F		6	D	$144.19	15,246	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
Restricted Stock Units	(1)	03/06/2026		A		14		(2)	(3)	Common Stock	14	$0	12,490	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	03/10/2026
	** 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.
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