Materion (NYSE: MTRN) director receives new stock-based awards

Rhea-AI Filing Summary

Materion Corp director N. Mohan Reddy reported stock-based awards rather than market trades. He received 2 Restricted Stock Units, each convertible into one share of common stock, bringing his RSU holdings to 2,006. He also acquired 43.173 shares of common stock through a directors’ deferred compensation plan, increasing those indirect holdings to 45,204.539 shares.

According to the footnotes, the new restricted stock units were acquired through the reinvestment of dividend equivalents and will vest at the earlier of May 8, 2026, or the date of the next annual meeting of Materion’s 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

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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^*

REDDY N MOHAN

(Last) (First) (Middle)

6070 PARKLAND BLVD.

(Street)

MAYFIELD HEIGHTS 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		43.173	A	$0	45,204.539	I	Held in Directors Deferred Compensation Plan.

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 insider transactions did Materion (MTRN) director N. Mohan Reddy report?

Director N. Mohan Reddy reported stock-based awards, not market trades. He received 2 restricted stock units and 43.173 shares of common stock credited under a directors’ deferred compensation plan, increasing his equity-based holdings in Materion.

How many restricted stock units did the Materion (MTRN) director receive and what do they represent?

He received 2 restricted stock units. Each unit represents a right to receive one share of Materion common stock, meaning the award corresponds to 2 future common shares, subject to the disclosed vesting conditions and timetable.

When will the newly acquired restricted stock units for Materion (MTRN) director vest?

The new restricted stock units will vest on the earlier of May 8, 2026 and the date of the next annual meeting of Materion shareholders. This aligns their timing with the original restricted stock units to which they relate.

How many restricted stock units does the Materion (MTRN) director hold after this Form 4?

After this award, N. Mohan Reddy holds 2,006 restricted stock units. These units represent rights to receive an equal number of Materion common shares in the future, subject to the applicable vesting and settlement terms described for the awards.

What indirect common stock holdings does the Materion (MTRN) director report?

Through a directors’ deferred compensation plan, he reports 45,204.539 shares of Materion common stock held indirectly after the transaction. The filing notes these shares are held in the plan, reflecting compensation that has been deferred into company stock.

Were the Materion (MTRN) Form 4 transactions open-market buys or routine awards?

The reported transactions are routine stock-based awards, not open-market purchases or sales. Both entries use code “A” for grants or other acquisitions, including dividend-equivalent reinvestment and compensation deferred into Materion common stock.