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RSU vest gives Materion (MTRN) director 2,006 new common shares

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

Rhea-AI Filing Summary

MATERION Corp director N Mohan Reddy reported a routine equity compensation event. On May 7, 2026, restricted stock units vested and were converted into 2,006 shares of common stock, which he now holds directly. The filing shows that these shares were issued from a restricted stock unit award granted on May 8, 2025 and vesting on May 7, 2026.

After this vesting, the reported balance of these restricted stock units is zero, indicating the award has been fully settled into common shares. Separately, Reddy has an indirect interest in 45,204.539 shares of common stock held in a Directors Deferred Compensation Plan, which remains unchanged by this transaction.

Positive

  • None.

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Insider REDDY N MOHAN
Role null
Type Security Shares Price Value
Exercise Restricted Stock Units 2,006 $0.00 --
Exercise Common Stock 2,006 $0.00 --
holding Common Stock -- -- --
Holdings After Transaction: Restricted Stock Units — 0 shares (Direct, null); Common Stock — 2,006 shares (Direct, null); Common Stock — 45,204.539 shares (Indirect, Held in Directors Deferred Compensation Plan.)
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.
Shares acquired via RSU vesting 2,006 shares Common Stock received on May 7, 2026 from vested RSUs
Indirect holdings in deferred plan 45,204.539 shares Common Stock held in Directors Deferred Compensation Plan
RSUs converted 2,006 units Restricted Stock Units exercised/converted into common stock
RSUs remaining after vesting 0 units Restricted Stock Units balance following the May 7, 2026 transaction
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.
Directors Deferred Compensation Plan financial
"Held in Directors Deferred Compensation Plan."
A directors deferred compensation plan lets a board member postpone receiving part or all of their cash fees or stock-based pay until a future date, often retirement, allowing taxes to be delayed and payouts to be structured over time. Investors care because these plans change a company’s future cash obligations and reveal how the board’s pay is aligned with long-term performance—like choosing to take a paycheck later to tie personal reward to the company’s future results.
derivative security financial
"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
X
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*
REDDY N MOHAN

(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)2,006D
Common Stock45,204.539IHeld 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)
CodeV(A)(D)Date ExercisableExpiration DateTitleAmount or Number of Shares
Restricted Stock Units(1)05/07/2026M2,006 (2) (3)Common Stock2,006$00D
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.
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 transaction did MTRN director N Mohan Reddy report?

MTRN director N Mohan Reddy reported the vesting of restricted stock units that converted into 2,006 shares of Materion common stock. This is a routine equity compensation event where previously granted RSUs settle into actual shares held directly.

How many Materion (MTRN) shares did the director acquire in this Form 4?

The director received 2,006 shares of Materion common stock when restricted stock units vested on May 7, 2026. These shares came from an RSU award granted May 8, 2025, and were delivered at a stated price of $0.0000 per share.

What happens to the restricted stock units after this MTRN vesting event?

After vesting, the reported balance of these Restricted Stock Units is 0.0000 units. The RSUs have been fully settled into 2,006 shares of common stock, so no units from this specific award remain outstanding following the transaction.

What indirect Materion (MTRN) holdings does the director report?

The filing shows an indirect holding of 45,204.539 shares of Materion common stock in a Directors Deferred Compensation Plan. This position is reported as a holding entry and was not changed by the RSU vesting transaction on May 7, 2026.

Was this Materion (MTRN) insider transaction a market purchase or sale?

No, this Form 4 reflects a derivative exercise, not a market trade. Restricted stock units granted as compensation vested and automatically converted into 2,006 common shares at a recorded price of $0.0000, with no open-market buying or selling reported.