Materion director plans sale of 1,012 shares in 2026

MATERION Corp (MTRN) received a Form 144 notice from director Emily M. Liggett, indicating a proposed sale of restricted shares of the company’s common stock.

Rhea-AI Filing Summary

MATERION Corp (MTRN) received a Form 144 notice from director Emily M. Liggett, indicating a proposed sale of restricted shares of the company’s common stock. The securities are held in the David & Emily Liggett Trust, with both David C. Liggett and Emily M. Liggett as trustees.

The notice covers up to 1,012 shares of common stock, to be sold through Charles Schwab on the NYSE, with an approximate sale date of September 1, 2026. These shares were originally acquired as Restricted Stock Units granted on May 18, 2021 as equity compensation from the issuer.

Key Figures

Shares to be sold: 1,012 shares of common stock Approximate date of sale: 09/01/2026 Date of Notice: 09/01/2026 +1 more

4 metrics

Shares to be sold 1,012 shares of common stock Maximum number of MATERION Corp shares covered by the Form 144 notice

Approximate date of sale 09/01/2026 Planned sale date for the Form 144 transaction through Charles Schwab on NYSE

Date of Notice 09/01/2026 Date on which the Form 144 notice was signed by Emily M. Liggett

RSU grant date 05/18/2021 Date the Restricted Stock Units were acquired as equity compensation from the issuer

Key Terms

Rule 144, Restricted Stock Units, Equity Compensation, trust

4 terms

Rule 144 regulatory

"See the definition of "person" in paragraph (a) of Rule 144."

Rule 144 is a U.S. securities regulation that sets conditions under which restricted or insider-held shares can be legally resold to the public, such as required holding periods, availability of public information, limits on how much can be sold at once, and certain filing requirements. For investors it matters because it determines when previously locked-up shares can enter the market — like a release valve that can increase supply, affect share price, and signal insider intent.

Restricted Stock Units financial

"Common | 05/18/2021 | Restricted Stock Units | Issuer"

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.

Equity Compensation financial

"05/18/2021 | Equity Compensation"

Equity compensation is pay given to employees, executives or contractors in the form of company ownership—such as stock, stock options or restricted shares—rather than just cash. It matters to investors because it can align workers' incentives with shareholders (like paying someone in slices of the same pie they help grow), but it also increases the number of shares outstanding and company expenses, affecting ownership percentages and earnings per share.

trust financial

"Account Title: David & Emily Liggett Trust U/A DTD 03/12/2002"

A trust is a legal setup in which one party (the trustee) holds and manages assets—like cash, stocks or property—on behalf of other people (beneficiaries) according to instructions from the person who created it (the grantor). Think of it as a locked box with a keyholder who must follow written rules; for investors it matters because trusts influence who controls and benefits from assets, affect taxes and succession, and can change how quickly or transparently shares are bought, sold or voted.

FAQ

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

What does the Form 144 filing for MTRN disclose about planned share sales?

The filing discloses an intent to sell up to 1,012 shares of MATERION Corp common stock by director Emily M. Liggett, held in the David & Emily Liggett Trust, with sales expected to be executed through Charles Schwab on the NYSE around September 1, 2026.

Who is the selling security holder in the MTRN Form 144?

The selling security holder is Emily M. Liggett, a director of MATERION Corp. The remarks state the account title as the David & Emily Liggett Trust U/A DTD 03/12/2002, with David C. Liggett and Emily M. Liggett serving as trustees.

How many MTRN shares are covered by this Form 144 notice?

The notice covers up to 1,012 shares of MATERION Corp common stock. This figure appears both in the securities information section and the securities-to-be-sold section of the Form 144 filing.

What type of MTRN securities are being sold and how were they acquired?

The securities are common stock of MATERION Corp, originally acquired as Restricted Stock Units on May 18, 2021. The Form 144 identifies the acquisition as Equity Compensation from the issuer.

Which broker is named in the MTRN Form 144 filing?

The named broker is Charles Schwab Corp, located at 3000 Schwab Way, Westlake, Texas. Sales of the MATERION Corp common stock are indicated as being executed through this broker on the NYSE.

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

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Available on EDGAR 09/01/2026 - 02:13 PM EDT Accepted by SEC EDGAR 09/01/2026 - 02:12 PM EDT Learn about SEC filing dates

Form 144 Filer Information	UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 144 NOTICE OF PROPOSED SALE OF SECURITIES PURSUANT TO RULE 144 UNDER THE SECURITIES ACT OF 1933
FORM 144

144: Filer Information

Filer CIK	0001231898
Filer CCC	XXXXXXXX
Is this a LIVE or TEST Filing?	LIVE TEST
Submission Contact Information
Name
Phone
E-Mail Address

144: Issuer Information

Name of Issuer	MATERION Corp
SEC File Number	001-15885
Address of Issuer	6070 PARKLAND BLVD. MAYFIELD HTS. OHIO 44124
Phone	2164864200
Name of Person for Whose Account the Securities are To Be Sold	LIGGETT EMILY M
See the definition of "person" in paragraph (a) of Rule 144. Information is to be given not only as to the person for whose account the securities are to be sold but also as to all other persons included in that definition. In addition, information shall be given as to sales by all persons whose sales are required by paragraph (e) of Rule 144 to be aggregated with sales for the account of the person filing this notice.
Relationship to Issuer	Director

144: Securities Information

Title of the Class of Securities To Be Sold	Name and Address of the Broker	Number of Shares or Other Units To Be Sold	Aggregate Market Value	Number of Shares or Other Units Outstanding	Approximate Date of Sale	Name the Securities Exchange
Common	Charles Schwab Corp 3000 Schwab Way Westlake TX 76262	1012	234834.00	20833725	09/01/2026	NYSE

Furnish the following information with respect to the acquisition of the securities to be sold and with respect to the payment of all or any part of the purchase price or other consideration therefor:

144: Securities To Be Sold

Title of the Class	Date you Acquired	Nature of Acquisition Transaction	Name of Person from Whom Acquired	Is this a Gift?	Date Donor Acquired	Amount of Securities Acquired	Date of Payment	Nature of Payment *
Common	05/18/2021	Restricted Stock Units	Issuer			1012	05/18/2021	Equity Compensation

* If the securities were purchased and full payment therefor was not made in cash at the time of purchase, explain in the table or in a note thereto the nature of the consideration given. If the consideration consisted of any note or other obligation, or if payment was made in installments describe the arrangement and state when the note or other obligation was discharged in full or the last installment paid.

Furnish the following information as to all securities of the issuer sold during the past 3 months by the person for whose account the securities are to be sold.

144: Securities Sold During The Past 3 Months

Nothing to Report

144: Remarks and Signature

Remarks	Account Title: David & Emily Liggett Trust U/A DTD 03/12/2002 David C. Liggett as trustee Emily M. Liggett as trustee
Date of Notice	09/01/2026
ATTENTION:
The person for whose account the securities to which this notice relates are to be sold hereby represents by signing this notice that he does not know any material adverse information in regard to the current and prospective operations of the Issuer of the securities to be sold which has not been publicly disclosed. If such person has adopted a written trading plan or given trading instructions to satisfy Rule 10b5-1 under the Exchange Act, by signing the form and indicating the date that the plan was adopted or the instruction given, that person makes such representation as of the plan adoption or instruction date.
Signature	Emily M. Liggett
ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)