AG˹ٷ

STOCK TITAN

[Form 4] Materion Corporation Insider Trading Activity

Filing Impact
(Neutral)
Filing Sentiment
(Negative)
Form Type
4
Rhea-AI Filing Summary

Form 4 filed for MTRN (Materion Corp): Reporting person Chemnitz Gregory R., VP General Counsel & Secretary, reported sales on 08/04/2025. The Form shows two non-derivative common stock dispositions: 918 shares sold at a weighted-average price of $104.6484 and 2,082 shares sold at a weighted-average price of $105.4008. Following those transactions, reported direct beneficial ownership is shown as 12,458 shares and 10,376 shares on the respective lines. The filing also discloses 5,330.705 shares held indirectly in a 401(k) plan. Footnotes state the sales occurred across multiple prices within specified ranges and the filer offers to provide per-price sale breakdowns on request. The form is signed by an attorney-in-fact on 08/06/2025.

Modulo 4 depositato per MTRN (Materion Corp): la persona che effettua la comunicazione, Chemnitz Gregory R., Vicepresidente, General Counsel e Segretario, ha segnalato vendite in data 08/04/2025. Il modulo riporta due cessioni non-derivate di azioni ordinarie: 918 azioni vendute a prezzo medio ponderato di $104.6484 e 2,082 azioni vendute a prezzo medio ponderato di $105.4008. A seguito di tali operazioni, la proprietà diretta segnalata risulta indicata come 12,458 azioni e 10,376 azioni sulle rispettive righe. La dichiarazione segnala inoltre 5,330.705 azioni detenute indirettamente in un piano 401(k). Le note precisano che le vendite sono avvenute a più prezzi all'interno di intervalli specificati e che il dichiarante fornirà, su richiesta, la ripartizione delle vendite per prezzo. Il modulo è firmato da un procuratore (attorney-in-fact) in data 08/06/2025.

Formulario 4 presentado para MTRN (Materion Corp): la persona informante Chemnitz Gregory R., Vicepresidente, Asesor General y Secretario, reportó ventas el 08/04/2025. El formulario muestra dos disposiciones no derivadas de acciones comunes: 918 acciones vendidas a un precio promedio ponderado de $104.6484 y 2,082 acciones vendidas a un precio promedio ponderado de $105.4008. Tras esas transacciones, la propiedad directa reportada figura como 12,458 acciones y 10,376 acciones en las respectivas líneas. La presentación también revela 5,330.705 acciones mantenidas de forma indirecta en un plan 401(k). Las notas indican que las ventas se realizaron a múltiples precios dentro de rangos especificados y que el declarante facilitará, a solicitud, el desglose por precio de las ventas. El formulario está firmado por un apoderado el 08/06/2025.

MTRN(머테리온 코퍼레이�)� 대� Form 4 제출: 보고� Chemnitz Gregory R.(부사장, 법무총괄 � 서기)가 2025-08-04� 매도 내역� 신고했습니다. 해당 양식에는 파생상품� 아닌 보통� 처분 � 건이 기재되어 있습니다: 918�가 가중평균가� $104.6484� 매도되고, 2,082�가 가중평균가� $105.4008� 매도되었습니�. 해당 거래 � 신고� 직접 보유� � 항목� 대� 12,458�10,376�� 표시되어 있습니다. 또한 양식은 401(k) 플랜� 간접적으� 보유� 5,330.705�� 공시합니�. 각주에는 매도들이 특정 범위 내의 여러 가격대에서 발생했으� 요청 � 개별 가격별 매도 내역� 제공하겠다는 내용� 적혀 있습니다. 양식은 2025-08-06� 대리인(주임변호사)� 의해 서명되었습니�.

Formulaire 4 déposé pour MTRN (Materion Corp) : la personne déclarant, Chemnitz Gregory R., VP, General Counsel et Secrétaire, a signalé des ventes le 08/04/2025. Le formulaire indique deux cessions non dérivées d'actions ordinaires : 918 actions vendues à un prix moyen pondéré de $104.6484 et 2,082 actions vendues à un prix moyen pondéré de $105.4008. Après ces opérations, la détention directe déclarée est indiquée comme 12,458 actions et 10,376 actions sur les lignes correspondantes. Le dépôt révèle également 5,330.705 actions détenues indirectement dans un plan 401(k). Les notes précisent que les ventes ont eu lieu à plusieurs prix dans des fourchettes spécifiées et que le déclarant fournira, sur demande, le détail des ventes par prix. Le formulaire est signé par un mandataire le 08/06/2025.

Form 4 eingereicht für MTRN (Materion Corp): Die meldende Person Chemnitz Gregory R., Vizepräsident, General Counsel & Sekretär, meldete Verkäufe am 08/04/2025. Das Formular zeigt zwei nicht-derivative Veräußerungen von Stammaktien: 918 Aktien verkauft zu einem gewogenen Durchschnittspreis von $104.6484 und 2.082 Aktien verkauft zu einem gewogenen Durchschnittspreis von $105.4008. Nach diesen Transaktionen wird das gemeldete direkte wirtschaftliche Eigentum in den jeweiligen Zeilen mit 12.458 Aktien bzw. 10.376 Aktien ausgewiesen. Die Meldung offenbart zudem 5,330.705 Aktien, die indirekt in einem 401(k)-Plan gehalten werden. Fußnoten geben an, dass die Verkäufe zu mehreren Preisen innerhalb angegebener Spannen stattgefunden haben und der Melder auf Anfrage die Aufschlüsselung nach Einzelpreisen bereitstellt. Das Formular wurde am 08/06/2025 von einem Bevollmächtigten unterzeichnet.

Positive
  • None.
Negative
  • Officer sale disclosed: Reporting person sold a total of 3,000 common shares on 08/04/2025 (918 and 2,082 shares) at weighted-average prices of $104.6484 and $105.4008.

Insights

TL;DR: Officer reported routine open-market sales totaling 3,000 shares at weighted-average prices near $105; disclosures include 401(k) holdings.

This Form 4 documents two open-market dispositions by an officer on 08/04/2025 totaling 3,000 common shares (918 at a weighted-average of $104.6484 and 2,082 at $105.4008). The filing specifies post-transaction direct holdings on the two reported lines and discloses 5,330.705 shares held indirectly in a 401(k) account. Footnotes clarify the sales were executed in multiple transactions across stated price ranges and that further per-price details are available on request. From an analytical perspective, the filing is a standard disclosure of insider selling activity; no derivatives, grants, or purchases are reported.

Impact assessment: 0 (Neutral). This is routine insider selling disclosure without additional material context provided in the form.

TL;DR: Timely Form 4 reports officer sales and indirect 401(k) holdings; no governance red flags or new control changes disclosed.

The submission identifies the reporting person as an officer (VP General Counsel & Secretary) and includes signature by an attorney-in-fact dated 08/06/2025. The filing discloses specific weighted-average sale prices and notes that sales occurred at multiple prices within defined ranges, with an offer to provide detailed breakdowns. There are no indications of departures, control transfers, option exercises, or material corporate actions in this document. The disclosure meets Section 16 reporting requirements for changes in beneficial ownership.

Impact assessment: 0 (Neutral). The reported transactions are routine and do not, in this filing alone, suggest governance concerns.

Modulo 4 depositato per MTRN (Materion Corp): la persona che effettua la comunicazione, Chemnitz Gregory R., Vicepresidente, General Counsel e Segretario, ha segnalato vendite in data 08/04/2025. Il modulo riporta due cessioni non-derivate di azioni ordinarie: 918 azioni vendute a prezzo medio ponderato di $104.6484 e 2,082 azioni vendute a prezzo medio ponderato di $105.4008. A seguito di tali operazioni, la proprietà diretta segnalata risulta indicata come 12,458 azioni e 10,376 azioni sulle rispettive righe. La dichiarazione segnala inoltre 5,330.705 azioni detenute indirettamente in un piano 401(k). Le note precisano che le vendite sono avvenute a più prezzi all'interno di intervalli specificati e che il dichiarante fornirà, su richiesta, la ripartizione delle vendite per prezzo. Il modulo è firmato da un procuratore (attorney-in-fact) in data 08/06/2025.

Formulario 4 presentado para MTRN (Materion Corp): la persona informante Chemnitz Gregory R., Vicepresidente, Asesor General y Secretario, reportó ventas el 08/04/2025. El formulario muestra dos disposiciones no derivadas de acciones comunes: 918 acciones vendidas a un precio promedio ponderado de $104.6484 y 2,082 acciones vendidas a un precio promedio ponderado de $105.4008. Tras esas transacciones, la propiedad directa reportada figura como 12,458 acciones y 10,376 acciones en las respectivas líneas. La presentación también revela 5,330.705 acciones mantenidas de forma indirecta en un plan 401(k). Las notas indican que las ventas se realizaron a múltiples precios dentro de rangos especificados y que el declarante facilitará, a solicitud, el desglose por precio de las ventas. El formulario está firmado por un apoderado el 08/06/2025.

MTRN(머테리온 코퍼레이�)� 대� Form 4 제출: 보고� Chemnitz Gregory R.(부사장, 법무총괄 � 서기)가 2025-08-04� 매도 내역� 신고했습니다. 해당 양식에는 파생상품� 아닌 보통� 처분 � 건이 기재되어 있습니다: 918�가 가중평균가� $104.6484� 매도되고, 2,082�가 가중평균가� $105.4008� 매도되었습니�. 해당 거래 � 신고� 직접 보유� � 항목� 대� 12,458�10,376�� 표시되어 있습니다. 또한 양식은 401(k) 플랜� 간접적으� 보유� 5,330.705�� 공시합니�. 각주에는 매도들이 특정 범위 내의 여러 가격대에서 발생했으� 요청 � 개별 가격별 매도 내역� 제공하겠다는 내용� 적혀 있습니다. 양식은 2025-08-06� 대리인(주임변호사)� 의해 서명되었습니�.

Formulaire 4 déposé pour MTRN (Materion Corp) : la personne déclarant, Chemnitz Gregory R., VP, General Counsel et Secrétaire, a signalé des ventes le 08/04/2025. Le formulaire indique deux cessions non dérivées d'actions ordinaires : 918 actions vendues à un prix moyen pondéré de $104.6484 et 2,082 actions vendues à un prix moyen pondéré de $105.4008. Après ces opérations, la détention directe déclarée est indiquée comme 12,458 actions et 10,376 actions sur les lignes correspondantes. Le dépôt révèle également 5,330.705 actions détenues indirectement dans un plan 401(k). Les notes précisent que les ventes ont eu lieu à plusieurs prix dans des fourchettes spécifiées et que le déclarant fournira, sur demande, le détail des ventes par prix. Le formulaire est signé par un mandataire le 08/06/2025.

Form 4 eingereicht für MTRN (Materion Corp): Die meldende Person Chemnitz Gregory R., Vizepräsident, General Counsel & Sekretär, meldete Verkäufe am 08/04/2025. Das Formular zeigt zwei nicht-derivative Veräußerungen von Stammaktien: 918 Aktien verkauft zu einem gewogenen Durchschnittspreis von $104.6484 und 2.082 Aktien verkauft zu einem gewogenen Durchschnittspreis von $105.4008. Nach diesen Transaktionen wird das gemeldete direkte wirtschaftliche Eigentum in den jeweiligen Zeilen mit 12.458 Aktien bzw. 10.376 Aktien ausgewiesen. Die Meldung offenbart zudem 5,330.705 Aktien, die indirekt in einem 401(k)-Plan gehalten werden. Fußnoten geben an, dass die Verkäufe zu mehreren Preisen innerhalb angegebener Spannen stattgefunden haben und der Melder auf Anfrage die Aufschlüsselung nach Einzelpreisen bereitstellt. Das Formular wurde am 08/06/2025 von einem Bevollmächtigten unterzeichnet.

SEC Form 4
FORM 4 UNITED 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*
Chemnitz Gregory R.

(Last) (First) (Middle)
6070 PARKLAND BLVD.

(Street)
MAYFIELD HEIGHTS OH 44124

(City) (State) (Zip)
2. Issuer Name and Ticker or Trading Symbol
MATERION Corp [ MTRN ]
5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
Director 10% Owner
X Officer (give title below) Other (specify below)
VP General Counsel & Secretary
3. Date of Earliest Transaction (Month/Day/Year)
08/04/2025
4. If Amendment, Date of Original Filed (Month/Day/Year)
6. Individual or Joint/Group Filing (Check Applicable Line)
X Form filed by One Reporting Person
Form filed by More than One Reporting Person
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)
Code V Amount (A) or (D) Price
Common Stock 08/04/2025 S 918 D $104.6484(1)(2) 12,458 D
Common Stock 08/04/2025 S 2,082 D $105.4008(3) 10,376 D
Common Stock 5,330.705 I Held in 401(k) 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)
Code V (A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares
Explanation of Responses:
1. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $104.2300 to $105.1750, inclusive.
2. The Reporting Person undertakes to provide the Issuer, any security holder of the Issuer, or the Staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in footnotes (1) and (3) of this Form 4.
3. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $105.2300 to $105.5500, inclusive.
Remarks:
/s/Michelle R. Mekinda, as Attorney-In-Fact 08/06/2025
** Signature of Reporting Person Date
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.

FAQ

What did the Form 4 filed for MTRN on 08/06/2025 report?

The form reports that Chemnitz Gregory R. sold shares on 08/04/2025 and the filing was signed by an attorney-in-fact on 08/06/2025.

How many shares did the reporting person sell in the Form 4 for MTRN?

The filing shows two dispositions totaling 3,000 shares: 918 and 2,082 shares sold on 08/04/2025.

At what prices were the MTRN shares sold according to the Form 4?

Sales were reported at weighted-average prices of $104.6484 (range $104.2300�$105.1750) and $105.4008 (range $105.2300�$105.5500).

Does the Form 4 disclose any indirect holdings for the reporting person?

Yes. The form discloses 5,330.705 shares held indirectly in a 401(k) plan.

What is the reporting person’s role at Materion (MTRN)?

The Form 4 lists the reporting person as an Officer with the title VP General Counsel & Secretary.
Materion Corp

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