MATERION (MTRN) director Craig Shular reports new RSUs and deferred shares

Rhea-AI Filing Summary

MATERION Corp director Craig S. Shular reported routine equity awards. On March 6, he received 2 restricted stock units through the reinvestment of dividend equivalents, each convertible into one share of common stock. These RSUs will vest on the earlier of May 8, 2026 or the next annual shareholder meeting.

He also acquired 50.259 shares of common stock credited to a directors deferred compensation plan. Following these awards, he holds 2,006 restricted stock units and 5,908.972 shares of common stock directly, plus 52,624.053 shares held indirectly through the deferred compensation plan.

Insider Trade Summary

3 transactions reported

Mixed 3 txns

Insider SHULAR CRAIG S

Role Director

Type	Security	Shares	Price	Value
Grant/Award	Restricted Stock Units	2	$0.00	--
Grant/Award	Common Stock	50.259	$0.00	--
holding	Common Stock	--	--	--

Holdings After Transaction: Restricted Stock Units — 2,006 shares (Direct); Common Stock — 52,624.053 shares (Indirect, Held In Directors Deferred Comp. Plan); Common Stock — 5,908.972 shares (Direct)

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 (earlier of May 8, 2026 and the date of the next annual meeting of MTRN's shareholders). Expiration Date is the same as the Date Exercisable.

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^*

SHULAR CRAIG S

(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)

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

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		50.259	A	$0	52,624.053	I	Held In Directors Deferred Comp. Plan
Common Stock								5,908.972	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		2		(2)	(3)	Common Stock	2	$0	2,006	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 (earlier of May 8, 2026 and the date of the next annual meeting of MTRN's shareholders).

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.
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.

FAQ

What did MATERION (MTRN) director Craig S. Shular report in this Form 4?

Craig S. Shular reported routine equity awards, not open-market trades. He received restricted stock units from dividend reinvestment and additional common shares credited to a directors deferred compensation plan, increasing both his derivative and indirect non-derivative holdings in MATERION common stock.

How many restricted stock units did Craig S. Shular receive from MATERION (MTRN)?

He received 2 restricted stock units on March 6, each representing the right to receive one share of MATERION common stock. These units were acquired through reinvested dividend equivalents and will vest together with the related restricted stock units.

When do Craig S. Shular’s new MATERION (MTRN) restricted stock units vest?

The new restricted stock units will vest at the earlier of May 8, 2026 and the date of MATERION’s next annual meeting of shareholders. This matches the vesting schedule of the underlying restricted stock unit award they are associated with.

How many MATERION (MTRN) restricted stock units does Craig S. Shular hold after this filing?

After the reported award, he holds 2,006 restricted stock units. Each unit represents a right to receive one share of MATERION common stock, giving him a deferred claim on future share delivery tied to vesting conditions.

What change occurred in Craig S. Shular’s indirect MATERION (MTRN) share holdings?

He acquired 50.259 shares of common stock credited to a directors deferred compensation plan. Following this transaction, his indirect holdings in the plan total 52,624.053 shares, reflecting the cumulative value of deferred equity compensation earned as a director.

How many MATERION (MTRN) shares does Craig S. Shular now own directly and indirectly?

He now holds 5,908.972 shares of common stock directly and 52,624.053 shares indirectly through a directors deferred compensation plan. In addition, he owns 2,006 restricted stock units that may convert into common shares upon vesting.