Shelly Chadwick plans sale of 1,500 MTRN shares

Shelly Chadwick reported a planned sale of 1,500 common shares following restricted stock vesting on 03/01/2026.

Accepted by SEC EDGAR 03/03/2026 - 02:40 PM EST Learn about SEC filing dates

Rhea-AI Filing Summary

Shelly Chadwick reported a planned sale of 1,500 common shares following restricted stock vesting on 03/01/2026. The filing also discloses a prior sale of 8,976 common shares on 02/23/2026 for $1,311,638.33. The sale lists Fidelity Brokerage Services LLC as the broker.

Insights

Securities Compliance Counsel

Routine Form 144 sale linked to restricted stock vesting and a recent open-market disposition.

The filing lists 1,500 common shares to be sold after restricted stock vesting on 03/01/2026, with Fidelity Brokerage Services LLC named as broker. This indicates a planned disposition that follows standard post-vesting procedures.

It also records a past sale of 8,976 shares on 02/23/2026 for $1,311,638.33. Timing and exact execution methods beyond the broker listing are not detailed in the excerpt.

FAQ

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

What did Shelly Chadwick report on Form 144 for MTRN?

The filing reports a planned sale of 1,500 common shares following restricted stock vesting on 03/01/2026. It also lists a prior sale of 8,976 shares on 02/23/2026 for $1,311,638.33.

Was a broker named in the MTRN Form 144 filing?

Yes; the filing names Fidelity Brokerage Services LLC at the listed address. The broker is associated with the securities to be sold but execution specifics are not provided in the excerpt.

How many shares were sold in the past three months per the filing?

The filing shows a past sale of 8,976 common shares on 02/23/2026. The excerpt pairs that sale with a reported cash amount of $1,311,638.33.

Does the Form 144 disclose proceeds for the planned 1,500-share sale?

The excerpt records the 1,500-share planned sale tied to restricted stock vesting on 03/01/2026, but it does not state sale proceeds or price for that specific tranche in the provided text.

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

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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	0001688289
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	Chadwick Shelly Marie
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	Officer

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	1500	243000.00	20736213	03/03/2026	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	03/01/2026	Restricted Stock Vesting	Issuer			1500	03/01/2026	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
Shelly Chadwick 6070 Parkland Blvd Mayfield Heights OH 44124	Common	02/23/2026	8976	1311638.33

144: Remarks and Signature

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