Materion (NYSE: MTRN) director sells 4,000 shares in open trade

Rhea-AI Filing Summary

Materion Corp director Vinod M. Khilnani sold 4,000 shares of common stock in open-market transactions. The sales took place on February 17, 2026, in two trades of 2,446 shares at a weighted average price of $148.666 and 1,554 shares at a weighted average price of $149.176.

The footnotes state these were multiple trades within price ranges of $148.340 to $148.970 and $149.010 to $149.415. After these sales, Khilnani directly holds 13,665 shares and indirectly holds 19,992.731 shares through a Directors Deferred Compensation Plan.

Insider Trade Summary

Net Seller: 4,000 shares ($595,457)

Net Sell 3 txns

Insider KHILNANI VINOD M

Role Director

Sold 4,000 shs ($595K)

Type	Security	Shares	Price	Value
Sale	Common Stock	2,446	$148.666	$364K
Sale	Common Stock	1,554	$149.176	$232K
holding	Common Stock	--	--	--

Holdings After Transaction: Common Stock — 15,219 shares (Direct); Common Stock — 19,992.731 shares (Indirect, Held in Directors Deferred Compensation Plan.)

Footnotes (1)

1. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transaction at prices ranging from $148.340 to $148.970, 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 ranges set forth in footnotes (1) and (3) of this Form 4. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transaction at prices ranging from $149.010 to $149.415, inclusive.

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^*

KHILNANI VINOD M

(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)
02/17/2026

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	02/17/2026		S		2,446	D	$148.666(1)(2)	15,219	D
Common Stock	02/17/2026		S		1,554	D	$149.176(2)(3)	13,665	D
Common Stock								19,992.731	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 transaction at prices ranging from $148.340 to $148.970, inclusive.

2. 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 ranges set forth in footnotes (1) and (3) of this Form 4.

3. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transaction at prices ranging from $149.010 to $149.415, inclusive.

Remarks:

	/s/Michelle R. Mekinda, as Attorney-In-Fact	02/19/2026
	** 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 stock transactions did MTRN director Vinod Khilnani report?

Vinod M. Khilnani reported selling 4,000 Materion (MTRN) common shares in open-market transactions. These occurred in two blocks of 2,446 and 1,554 shares, both dated February 17, 2026, at weighted average prices near $149 per share.

At what prices did the MTRN director sell his Materion shares?

The director’s reported sales used weighted average prices of $148.666 and $149.176 per share. Footnotes explain actual trades ranged from $148.340 to $148.970 and from $149.010 to $149.415 across multiple executions.

How many Materion (MTRN) shares does the director hold after these sales?

After the reported transactions, Vinod M. Khilnani directly owns 13,665 Materion common shares. Separately, he has an indirect interest in 19,992.731 shares held through a Directors Deferred Compensation Plan, as disclosed in the holding information.

What is the total size of the insider sale reported for Materion (MTRN)?

The Form 4 shows an aggregate sale of 4,000 Materion shares by director Vinod M. Khilnani. This total comes from two open-market sale transactions on February 17, 2026, as summarized in the filing’s transaction data.

What do the Form 4 footnotes say about the Materion insider trade prices?

The footnotes state that reported prices are weighted averages. The 2,446-share sale involved trades from $148.340 to $148.970, while the 1,554-share sale ranged from $149.010 to $149.415, all within those stated bands.

How is the indirect ownership of Materion (MTRN) shares held for the director?

The filing shows 19,992.731 Materion shares held indirectly for Vinod M. Khilnani. These are described as being held in a Directors Deferred Compensation Plan, indicating the shares are tied to that deferred compensation arrangement rather than direct personal custody.