Materion (MTRN) insider sale: 1,155 shares; weighted avg $105.4531

Rhea-AI Filing Summary

Materion director Reddy N Mohan reported the sale of 1,155 shares of Materion common stock on 08/11/2025. The filing discloses a weighted-average sale price of $105.4531 with trade prices ranging from $105.31 to $105.57. After the reported disposition the reporting person holds 0 shares directly and 45,054.677 shares indirectly through the Directors Deferred Compensation Plan. The filer offers to provide detailed per-price trade information on request. The Form 4 documents a routine insider disposition while showing a substantial indirect holding remaining in the deferred compensation plan.

Positive

• Transparent pricing disclosure: filing provides a weighted-average sale price and the range of executed trade prices ($105.31 to $105.57).
• Substantial indirect holding retained: 45,054.677 shares remain held in the Directors Deferred Compensation Plan, showing continued exposure.

Negative

• Insider disposition: 1,155 shares were sold on 08/11/2025.
• Direct ownership reported as 0 following the reported transaction.

Insights

Corporate Governance Expert

TL;DR Director sale disclosed; substantial indirect holding remains in the deferred compensation plan.

The Form 4 reports an insider disposition of 1,155 shares executed on 08/11/2025, with a disclosed weighted-average price of $105.4531 and a per-trade price range of $105.31–$105.57. The filing shows 0 shares held directly following the transaction and 45,054.677 shares held indirectly in the Directors Deferred Compensation Plan. From a governance perspective the disclosure is complete on its face and includes a footnote offering to provide per-price details upon request. Impact assessment: not materially adverse to shareholder governance metrics; the filing is informational and transparent.

Securities Analyst

TL;DR Insider sold 1,155 shares at ~$105.45; indirect holding of 45,054.677 shares remains.

The reported sale was recorded as multiple transactions producing a weighted-average price of $105.4531. The Form 4 lists no remaining direct holdings and specifies an indirect position of 45,054.677 shares held in a Directors Deferred Compensation Plan. There are no derivative transactions reported. For investors, this filing documents a disclosed insider sale with continuing indirect exposure via the deferred compensation plan. Impact rating: neutral, as the filing provides clear transactional detail without indicating broader corporate changes.

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^*

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)
08/11/2025

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	08/11/2025		S		1,155	D	$105.4531(1)	0	D
Common Stock								45,054.677	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

Explanation of Responses:

1. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $105.3100 to $105.5700, inclusive. The Reporting Person undertakes to provide the Issuer, any security holder of the Issuer, or the Staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in footnote (1) of this Form 4.

Remarks:

	/s/Michelle R. Mekinda, as Attorney-In-Fact	08/13/2025
	** 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 MTRN director Reddy N Mohan report on Form 4?

The Form 4 reports that Reddy N Mohan sold 1,155 shares of Materion common stock on 08/11/2025 and now holds 0 shares directly and 45,054.677 shares indirectly.

At what price were the MTRN shares sold by the director?

The sale was reported at a weighted-average price of $105.4531 with individual trade prices ranging from $105.31 to $105.57.

How many Materion shares does the reporting person still control indirectly?

The filing shows 45,054.677 shares held indirectly in the Directors Deferred Compensation Plan.

Were any derivative securities reported in this Form 4 for MTRN?

No. Table II for derivative securities contains no entries; only non-derivative common stock transactions are reported.

Does the Form 4 provide detailed per-trade pricing of the sale?

The filing discloses a weighted-average price and a price range and states the reporting person will provide per-trade pricing details upon request.