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  4. [Form 4] MATERION Corp Insider Trading Activity

Materion director receives RSU grant and vesting

MATERION Corp director Patrick M. Prevost reported routine equity compensation activity.

Filing Impact
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Filing Sentiment
(Neutral)
Form Type
4

Rhea-AI Filing Summary

MATERION Corp director Patrick M. Prevost reported routine equity compensation activity. On May 7, 2026, he exercised 2,006 restricted stock units, receiving an equal number of common shares credited to a directors deferred compensation plan, bringing that indirect holding to 18,316.28 shares.

On May 8, 2026, he received a new grant of 758 restricted stock units, each representing a right to one share of Materion common stock. The footnotes explain these units generally vest on the earlier of the first anniversary of the grant date or the next annual shareholder meeting. No open‑market buys or sales were reported.

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Insider Prevost Patrick M.
Role Director
Type Security Shares Price Value
Grant/Award Restricted Stock Units 758 $0.00 $0.00
Exercise Restricted Stock Units 2,006 $0.00 $0.00
Exercise Common Stock 2,006 $0.00 $0.00
Holdings After Transaction: Restricted Stock Units — 758 contracts (Direct); Common Stock — 18,316.28 shares (Indirect, Held In Directors Deferred Comp. Plan)
Footnotes (4)
  1. F1. Each restricted stock unit represents a right to receive one share of MTRN common stock.
  2. F2. These shares were issued pursuant to the vesting of a restricted stock unit award made May 8, 2025 that vested on May 7, 2026.
  3. F3. Expiration Date is the same as the Date Exercisable.
  4. F4. 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.
RSU vesting into shares 2,006 shares Restricted stock units converted to common stock on May 7, 2026
Deferred plan holdings after vesting 18,316.28 shares Indirect common stock holding in directors deferred compensation plan
New RSU grant 758 restricted stock units Grant on May 8, 2026
RSU-to-share ratio 1:1 Each restricted stock unit represents one share of common stock
Derivative exercises in filing 1 exercise, 2,006 units Summary of derivative exercise/conversion activity
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.
derivative exercise/conversion financial
"Transaction action is classified as a derivative exercise/conversion of restricted stock units."
Deferred Comp. Plan financial
"Common stock is held indirectly in a Directors Deferred Comp. Plan."
vest financial
"These shares were issued pursuant to the vesting of a restricted stock unit award."
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.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What insider transactions did Patrick M. Prevost report for MATERION (MTRN)?
Patrick M. Prevost reported routine equity compensation activity, including vesting of 2,006 restricted stock units into common shares and a new grant of 758 restricted stock units. All events were compensation-related, with no open‑market share purchases or sales disclosed.

How many MATERION (MTRN) shares did Prevost acquire through RSU vesting?
Prevost acquired 2,006 MATERION common shares through the vesting and exercise of restricted stock units on May 7, 2026. These shares were credited to a directors deferred compensation plan, increasing his indirect holdings in that plan to 18,316.28 shares after the transaction.

What new equity award did Patrick M. Prevost receive from MATERION (MTRN)?
On May 8, 2026, Prevost received a grant of 758 restricted stock units from MATERION. Each unit represents a right to receive one share of common stock, generally vesting on the earlier of the first anniversary of the grant or the next annual shareholder meeting.

Were any MATERION (MTRN) shares sold in this Form 4 filing?
No share sales were reported. The Form 4 only shows acquisitions: vesting of 2,006 restricted stock units into common stock and a new grant of 758 restricted stock units. There were no open‑market purchases or disposals disclosed in the reported transactions.

How are Prevost’s MATERION (MTRN) shares from RSUs held after vesting?
The 2,006 shares received upon RSU vesting are held indirectly in a directors deferred compensation plan. After this transaction, the plan held 18,316.28 MATERION common shares for Prevost, reflecting his indirect ownership through that deferred compensation arrangement.

AI-generated analysis. How Rhea-AI works. Not financial advice.

Form 4 Insider Transactions: What Each Field Means →
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SEC Form 4
FORM 4UNITED 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*
Prevost Patrick M.
(Last)(First)(Middle)
6070 PARKLAND BLVD
(Street)
MAYFIELD HTS. 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)
XDirector10% Owner
Officer (give title below)Other (specify below)
2a. Foreign Trading Symbol
3. Date of Earliest Transaction (Month/Day/Year)
05/07/2026		6. Individual or Joint/Group Filing (Check Applicable Line)
XForm 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)
CodeVAmount(A) or (D)Price
Common Stock05/07/2026M2,006A(1)18,316.28IHeld In Directors Deferred Comp. 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)
CodeV(A)(D)Date ExercisableExpiration DateTitleAmount or Number of Shares
Restricted Stock Units(1)05/07/2026M2,006 (2) (3)Common Stock2,006$00D
Restricted Stock Units(1)05/08/2026A758 (4) (3)Common Stock758$0758D
Explanation of Responses:
1. Each restricted stock unit represents a right to receive one share of MTRN common stock.
2. These shares were issued pursuant to the vesting of a restricted stock unit award made May 8, 2025 that vested on May 7, 2026.
3. Expiration Date is the same as the Date Exercisable.
4. 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.
Remarks:
/s/Michelle R. Mekinda, as Attorney-In-Fact05/11/2026
** Signature of Reporting PersonDate
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

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