STOCK TITAN

Materion (MTRN) director exercises RSUs and receives new stock unit award

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

Rhea-AI Filing Summary

Materion Corp director Darlene J. S. Solomon reported routine equity compensation activity. On May 8, 2026, she received a grant of 758 restricted stock units, each representing one share of Materion common stock. On May 7, 2026, 2,006 restricted stock units from an award granted on May 8, 2025 vested and were converted into 2,006 shares of common stock. After these transactions, she directly holds 30,423 shares of common stock and 758 restricted stock units that generally vest on the earlier of the first anniversary of the grant date or the next annual shareholder meeting.

Positive

  • None.

Negative

  • None.
Insider Solomon Darlene J. S.
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 — 30,423 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 units Restricted stock units granted May 8, 2026
RSUs vested and converted 2,006 units Award granted May 8, 2025 vested May 7, 2026
Shares after transactions 30,423 shares Common stock directly held following transactions
RSUs held after grant 758 units Restricted stock units outstanding following May 8, 2026 grant
Exercise transactions 1 exercise, 2,006 shares Derivative exercise/conversion count and shares from summary
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.
vested 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."
grant date 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 of MTRN's shareholders that follows the grant."
The grant date is the day a company formally gives an employee or contractor the right to receive stock-based compensation, such as stock options or restricted shares. It matters to investors because it fixes key terms—like the price, the start of the ownership clock, and when the award will affect the company’s financial statements and share count—so it can influence dilution, reported expenses, and potential future selling pressure.
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.
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*
Solomon Darlene J. S.

(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)30,423D
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 Darlene Solomon report?

She reported routine equity compensation events: a grant of 758 restricted stock units on May 8, 2026 and the vesting and conversion of 2,006 restricted stock units into common shares on May 7, 2026, increasing her direct common stock holdings.

How many Materion (MTRN) shares does Darlene Solomon hold after these transactions?

After the reported transactions, Darlene Solomon directly holds 30,423 shares of Materion common stock. She also holds 758 restricted stock units, each representing a right to receive one additional share of Materion common stock upon vesting under the award terms.

What restricted stock unit grant did Darlene Solomon receive from Materion (MTRN)?

On May 8, 2026, she received a grant of 758 restricted stock units. Each unit represents a right to receive one share of Materion common stock, generally vesting on the earlier of the first anniversary of the grant date or the next annual shareholder meeting.

Which prior Materion (MTRN) award vested for Darlene Solomon in May 2026?

A restricted stock unit award granted on May 8, 2025 vested on May 7, 2026, resulting in 2,006 restricted stock units converting into 2,006 shares of Materion common stock. These newly issued shares increased her direct common stock ownership position.

How do Materion (MTRN) restricted stock units work for this director?

Each restricted stock unit represents a right to receive one share of Materion common stock. For the reported grant, the units generally vest on the earlier of one year from grant or the next annual shareholder meeting, aligning director compensation with shareholder interests over time.