Materion (MTRN) director adds RSUs and deferred stock in Form 4

Rhea-AI Filing Summary

LIGGETT EMILY M reported acquisition or exercise transactions in this Form 4 filing.

Materion Corp director Emily M. Liggett reported small equity-based compensation awards rather than open-market trades. On 2026-03-06, she received 2 restricted stock units, each representing one share of common stock, through dividend equivalent reinvestment, bringing her restricted stock unit holdings to 2,006.

On the same date, 1.215 shares of common stock were credited to an account held in the Directors Deferred Compensation Plan, increasing her indirect common stock holdings there to 1,270.561 shares. A separate holding entry shows 3,776 shares of common stock held directly. The new restricted stock units will vest at the earlier of May 8, 2026 and the date of the next annual meeting of Materion shareholders.

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
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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^*

LIGGETT EMILY M

(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		1.215	A	$0	1,270.561	I	Held in Directors Deferred Comp. Plan
Common Stock								3,776	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. The restricted stock units, which were acquired upon the reinvestment of the 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 insider transactions did MTRN director Emily Liggett report?

Director Emily M. Liggett reported compensation-related acquisitions, not market trades. She received 2 restricted stock units via dividend equivalent reinvestment and 1.215 common shares credited to a Directors Deferred Compensation Plan account, modestly increasing her equity exposure to Materion Corp.

How many restricted stock units does Emily Liggett hold in Materion (MTRN)?

After the reported transaction, Emily M. Liggett holds 2,006 restricted stock units in Materion. Each unit represents a right to receive one share of MTRN common stock, aligning her compensation with shareholder value over time as the units vest.

When do Emily Liggett’s new Materion restricted stock units vest?

The newly acquired restricted stock units will vest at the earlier of May 8, 2026 and the date of Materion’s next annual shareholder meeting. This schedule links her long-term compensation to continued service through that governance milestone.

How many Materion common shares are in Emily Liggett’s deferred compensation plan?

Following the latest credit, 1,270.561 shares of Materion common stock are held for Emily M. Liggett in a Directors Deferred Compensation Plan account. These indirect holdings reflect share-based fees or awards deferred instead of being taken in cash.

What are Emily Liggett’s direct common stock holdings in Materion?

A holding entry shows Emily M. Liggett directly owns 3,776 shares of Materion common stock. This direct position is separate from her restricted stock units and the shares held indirectly through the Directors Deferred Compensation Plan structure.