MATERION (MTRN) director Thomas Edman receives grant of 758 RSUs

Filing Impact

(Neutral)

Filing Sentiment

(Neutral)

Form Type

Rhea-AI Filing Summary

MATERION Corp director Thomas T. Edman received a grant of 758 restricted stock units (RSUs) on May 8, 2026 as equity compensation. Each RSU represents one share of MTRN common stock. The RSUs generally vest on the earlier of the first anniversary of the grant date or the next annual shareholder meeting.

Following this grant, Edman holds 758 RSUs directly, with no sales or option exercises reported in this filing. This is a routine compensation-related award rather than an open-market stock purchase or sale.

Insider Trade Summary

1 transaction reported

Mixed 1 txn

Insider EDMAN THOMAS T

Role null

Type	Security	Shares	Price	Value
Grant/Award	Restricted Stock Units	758	$0.00	--

Holdings After Transaction: Restricted Stock Units — 758 shares (Direct, null)

Footnotes (1)

Each restricted stock unit represents a right to receive one share of MTRN common stock. The restricted stock units generally vest on the earlier of (1) the first anniversary of the grant date and (2) the next annual meeting of MTRN's shareholders that follows the grant. Expiration Date is the same as the Date Exercisable.

Key Figures

RSUs granted: 758 units Price per RSU: $0.00 per unit Underlying shares: 758 shares +2 more

5 metrics

RSUs granted 758 units Restricted stock units granted on May 8, 2026

Price per RSU $0.00 per unit Equity compensation grant, non-cash award

Underlying shares 758 shares Each RSU represents one share of MTRN common stock

RSUs after transaction 758 units Total derivative holdings following the grant

Transaction date May 8, 2026 Grant date of restricted stock units

Key Terms

Restricted Stock Units, vest, Expiration Date, grant, award, or other acquisition

4 terms

Restricted Stock Units financial

"Each restricted stock unit represents a right to receive one share of MTRN common stock."

Restricted stock units are a type of company reward where employees are promised shares of stock, but they only fully own these shares after meeting certain conditions, like staying with the company for a set time. They matter because they can become valuable assets and are often used to motivate employees to help the company succeed.

vest financial

"The restricted stock units generally vest on the earlier of (1) the first anniversary of the grant date and (2) the next annual meeting..."

A vest is the process by which an employee earns the right to receive certain benefits or ownership interests, such as stock or retirement funds, over time. It’s similar to earning a reward gradually, ensuring that the benefit becomes fully yours only after a set period or meeting specific conditions. This makes it important for investors because it determines when they can actually claim or use those benefits.

Expiration Date financial

"Expiration Date is the same as the Date Exercisable."

The expiration date is the deadline after which a financial contract, such as an option or a futures agreement, is no longer valid or can be exercised. It matters to investors because it determines the timeframe during which they can take action or benefit from the contract, similar to how a coupon or a food item has a limited period of usefulness. Once the expiration date passes, the contract loses its value or ability to be used.

grant, award, or other acquisition financial

"transaction_code_description": "Grant, award, or other acquisition""

Form 4 Insider Transactions: What Each Field Means →

05/11/2026 - 02:01 PM

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^*

EDMAN THOMAS T

(Last)

(First)

(Middle)

6070 PARKLAND BOULEVARD

(Street)

MAYFIELD HEIGHTS

OHIO

44124

(City)

(State)

(Zip)

UNITED STATES

(Country)

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)

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
05/08/2026

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

4. If Amendment, Date of Original Filed (Month/Day/Year)

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)
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	Code	V	Amount	(A) or (D)	Price		6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)

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)
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)	Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares	8. Price of Derivative Security (Instr. 5)		10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
Restricted Stock Units	⁽¹⁾	05/08/2026		A		758		⁽²⁾	⁽³⁾	Common Stock	758	$0	758	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 generally vest on the earlier of (1) the first anniversary of the grant date and (2) the next annual meeting of MTRN's shareholders that follows the grant.

3. Expiration Date is the same as the Date Exercisable.

Remarks:

	/s/Michelle R. Mekinda, as Attorney-In-Fact	05/11/2026
	** 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.
* Form 4: SEC 1474 (03-26)

Source: View Original Filing on SEC EDGAR

FAQ

What did MTRN director Thomas T. Edman report in this Form 4?

Thomas T. Edman reported receiving a grant of 758 restricted stock units in MATERION Corp stock. This equity award is compensation-related, not an open-market trade, and increases his direct derivative holdings tied to MTRN common shares.

How many MTRN restricted stock units were granted to Thomas T. Edman?

Edman received 758 restricted stock units linked to MATERION Corp common stock. Each unit represents the right to receive one share, giving him potential ownership of 758 MTRN shares once the RSUs vest and are settled according to plan terms.

When do Thomas T. Edman’s MTRN restricted stock units vest?

The RSUs generally vest on the earlier of the first anniversary of the May 8, 2026 grant date or the next MATERION Corp annual shareholder meeting. Vesting must occur before the units convert into MTRN common shares for the director.

Is this MTRN Form 4 a stock purchase or sale by Thomas T. Edman?

This Form 4 does not show an open-market purchase or sale by Edman. It reports a grant of 758 restricted stock units as compensation, with a stated price per unit of $0.00, typical for equity awards rather than market transactions.

How many MTRN restricted stock units does Thomas T. Edman hold after this grant?

After the reported grant, Edman holds 758 restricted stock units directly. The filing lists this as his total derivative position related to this award, with no additional option or RSU positions disclosed in the derivative summary section.