STOCK TITAN

Materion (NYSE: MTRN) director exercises 2,006 RSUs and gets new grant

Filing Impact
(Neutral)
Filing Sentiment
(Neutral)
Form Type
4

Rhea-AI Filing Summary

Materion director Robert B. Toth reported routine equity compensation activity. On May 8, 2026 he received a grant of 758 restricted stock units, each representing one share of Materion common stock. On May 7, 2026 he exercised 2,006 restricted stock units that had vested from a May 8, 2025 award, receiving 2,006 common shares. Following these transactions, he directly holds 28,832 shares of common stock and 758 restricted stock units, with no share sales reported.

Positive

  • None.

Negative

  • None.
Insider Toth Robert B
Role null
Type Security Shares Price Value
Grant/Award Restricted Stock Units 758 $0.00 --
Exercise Restricted Stock Units 2,006 $0.00 --
Exercise Common Stock 2,006 $0.00 --
Holdings After Transaction: Restricted Stock Units — 758 shares (Direct, null); Common Stock — 28,832 shares (Direct, null)
Footnotes (1)
  1. Each restricted stock unit represents a right to receive one share of MTRN common stock. These shares were issued pursuant to the vesting of a restricted stock unit award made May 8, 2025 that vested on May 7, 2026. Expiration Date is the same as the Date Exercisable. 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.
New RSU grant 758 restricted stock units Granted on May 8, 2026
RSUs exercised 2,006 restricted stock units Exercised into common stock on May 7, 2026
Shares after exercise 28,832 shares Common stock directly held after May 7, 2026 transaction
RSUs after grant 758 restricted stock units Outstanding RSUs following May 8, 2026 grant
Exercise price $0.00 per unit Restricted stock units convert to common stock at no cash cost
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
"These shares were issued pursuant to the vesting of a restricted stock unit award made May 8, 2025 that vested on May 7, 2026."
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.
derivative security financial
"transaction_code_description": "Exercise or conversion of derivative security""
A derivative security is a financial contract whose value comes from the price or performance of something else, such as a stock, bond, commodity, or market index. For investors it acts like an insurance policy or a wager: it can be used to protect against losses, lock in prices, or amplify gains and losses, so it can change a portfolio’s risk and potential return without owning the underlying asset directly.
grant, award, or other acquisition financial
"transaction_code_description": "Grant, award, or other acquisition""
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*
Toth Robert B

(Last)(First)(Middle)
6070 PARKLAND BLVD.

(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)
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)28,832D
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)

FAQ

What insider transactions did Materion (MTRN) director Robert B. Toth report?

Robert B. Toth received 758 restricted stock units and exercised 2,006 previously granted units into common shares. These transactions reflect routine equity compensation, with no reported share sales or dispositions in the disclosed activity.

How many Materion (MTRN) shares does Robert B. Toth hold after these transactions?

After exercising restricted stock units, Robert B. Toth directly holds 28,832 shares of Materion common stock and 758 restricted stock units. The units each represent the right to receive one additional share when they vest in the future.

What are the details of the new restricted stock unit grant at Materion (MTRN)?

On May 8, 2026, Robert B. Toth was granted 758 restricted stock units with no exercise price. Each unit represents one share of Materion common stock, subject to vesting terms described for the company’s restricted stock unit awards.

What vesting terms apply to Materion (MTRN) restricted stock units in this filing?

The filing notes that restricted stock units generally vest on the earlier of the first anniversary of the grant date or the next annual shareholder meeting following the grant, illustrating how directors typically earn shares over time through service.

Did the Materion (MTRN) director sell any shares in these reported transactions?

No share sales were reported. The disclosed activity consists of a new restricted stock unit grant and the exercise of 2,006 restricted stock units into common stock, increasing the director’s direct share ownership without any dispositions.