MTRN Form 144: Insider dispositions reported

Insider sale notices filed for MTRN.

Rhea-AI Filing Summary

Insider sale notices filed for MTRN. The excerpt lists proposed or executed dispositions by Mohan N. Reddy: 2,006 shares on 05/08/2026 with proceeds $400,253.47 and 10,000 shares on 06/02/2026 with proceeds $2,303,091.09. The form references Deferred Compensation and a brokerage entry for Fidelity Brokerage Services LLC.

Insights

Securities Compliance Analyst

Form 144 entries document proposed dispositions by an affiliated holder.

The filing shows reported sales by Mohan N. Reddy: $400,253.47 for 2,006 shares on 05/08/2026 and $2,303,091.09 for 10,000 shares on 06/02/2026. These lines reflect the standard Form 144 disclosure of intended or effected sales under Rule 144.

Cash‑flow treatment and whether sales were open‑market or pursuant to a plan are not shown in the excerpt; subsequent filings or broker confirmations would show execution details.

Key Figures

Shares sold: 2,006 shares Proceeds: $400,253.47 Shares sold: 10,000 shares +1 more

4 metrics

Shares sold 2,006 shares sale dated <date>05/08/2026</date>

Proceeds $400,253.47 associated with 2,006 shares on <date>05/08/2026</date>

Shares sold 10,000 shares sale dated <date>06/02/2026</date>

Proceeds $2,303,091.09 associated with 10,000 shares on <date>06/02/2026</date>

Key Terms

Form 144, Deferred Compensation, Issuer

3 terms

Form 144 regulatory

"144: Securities Sold During The Past 3 Months"

Form 144 is a document that investors must file with the government when they plan to sell a large number of shares of a company's stock. It helps ensure transparency so everyone knows how many shares are being sold and when, which can impact the stock's price.

Deferred Compensation financial

"Common | 06/01/2026 | Deferred Compensation"

Deferred compensation is pay that employees or executives have earned now but will receive at a later date, such as delayed bonuses, retirement benefits, or stock grants. It matters to investors because it creates future obligations and shapes incentives—like a promise to pay later that can affect a company’s reported profits, cash needs and potential stock dilution—so it helps signal how a business manages costs and retains key people.

Issuer regulatory

"Deferred Compensation | Issuer"

FAQ

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

What does the MTRN Form 144 entry report?

The filing reports proposed or effected dispositions by Mohan N. Reddy. It lists 2,006 shares sold on 05/08/2026 for $400,253.47 and 10,000 shares sold on 06/02/2026 for $2,303,091.09.

Who is listed as the selling party in the MTRN excerpt?

The excerpt names Mohan N. Reddy with an address in Mayfield Heights, OH. The selling broker shown is Fidelity Brokerage Services LLC at the address in Smithfield, RI, as recorded in the filing.

Does the excerpt state how the sales were executed for MTRN?

No. The provided excerpt lists transaction dates, share counts, and proceeds but does not specify execution method (open‑market, block trade, or plan), nor does it state whether sales were preplanned or discretionary.

Are proceeds reported in the MTRN Form 144 excerpt?

Yes. The excerpt shows proceeds: $400,253.47 associated with 2,006 shares on 05/08/2026 and $2,303,091.09 associated with 10,000 shares on 06/02/2026.

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

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Accepted by SEC EDGAR 06/03/2026 - 04:12 PM 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	0001209386
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	2163834931
Name of Person for Whose Account the Securities are To Be Sold	REDDY N MOHAN
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	Former 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	Fidelity Brokerage Services LLC 900 Salem Street Smithfield RI 02917	4303	989702.96	20801485	06/03/2026	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	06/01/2026	Deferred Compensation	Issuer			4303	06/01/2026	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

Name and Address of Seller	Title of Securities Sold	Date of Sale	Amount of Securities Sold	Gross Proceeds
Mohan N. Reddy 6070 Parkland Blvd. Mayfield Heights OH 44124	Common	05/08/2026	2006	400253.47
Mohan N. Reddy 6070 Parkland Blvd. Mayfield Heights OH 44124	Common	06/02/2026	10000	2303091.09

144: Remarks and Signature

Remarks
Date of Notice	06/03/2026
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	/s/ Daniel Tucci, as a duly authorized representative of Fidelity Brokerage Services LLC, as attorney-in-fact for Mohan Reddy
ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)