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MTRN

MATERION Corp

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1312
SEC CIK
0001104657
Parsed reports
839

Last 12 months

Inside the activity.

0 purchase rows · 42 sale rows

Disclosed non-derivative P/S rows, by transaction month. Includes amendments and private transactions.
Monthly counts
MonthPurchasesSales
Nov 202501
Dec 202500
Jan 202600
Feb 2026015
Mar 202605
Apr 202600
May 202609
Jun 202600
Jul 202600
Aug 2026011
Sep 202601
Oct 202600

Latest available

Insider transactions

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Purchases/sales include open-market and private transactions. Plan disclosure applies to the filing; individual rows may differ. “Not disclosed” is not “unplanned.”

The cutoff filters transaction history only. Company summaries and owner relationships show the latest available disclosures. Parser corrections can improve historical records.

Transaction dateOwner / reported roleActivity / securityShares / unitsReported priceReported valueDetails
September 04, 2026 Filed Sep 9, 2026 20:59 UTC
Chemnitz Gregory R.VP General Counsel & Secretary
GrantRestricted Stock Units · Derivative 2 $0.00 $0.00
Disclosure

SEC source: 0001519910-26-000014 · wk-form4_1788987597.xml · derivative · entry 1

Chemnitz Gregory R. · CIK 0001519910 · VP General Counsel & Secretary

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 3,547

Underlying: Common Stock · 2 shares

Expires not disclosed

F1 · derivative.exercise_price: Each restricted stock unit represents a right to receive one share of MTRN common stock.

F2 · derivative.exercise_date: These units, which were acquired upon the reinvestment of dividend equivalents, will vest at the same time as the restricted stock units to which they relate.

F3 · derivative.expiration_date: Expiration Date is the same as the Date Exercisable.

Read SEC document
September 04, 2026 Filed Sep 9, 2026 20:59 UTC
Chadwick Shelly MarieVice President, Finance & CFO
GrantRestricted Stock Units · Derivative 8 $0.00 $0.00
Disclosure

SEC source: 0001688289-26-000020 · wk-form4_1788987580.xml · derivative · entry 1

Chadwick Shelly Marie · CIK 0001688289 · Vice President, Finance & CFO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 12,506

Underlying: Common Stock · 8 shares

Expires not disclosed

F1 · derivative.exercise_price: Each restricted stock unit represents a right to receive one share of MTRN common stock.

F2 · derivative.exercise_date: These restricted stock units, which were acquired upon the reinvestment of dividend equivalents, will vest at the same time as the restricted stock units to which they relate.

F3 · derivative.expiration_date: Expiration Date is the same as the Date Exercisable.

Read SEC document
September 04, 2026 Filed Sep 9, 2026 20:59 UTC GrantCommon Stock 11.784 $0.00 $0.00
Disclosure

SEC source: 0001204034-26-000025 · wk-form4_1788987586.xml · nonDerivative · entry 1

KHILNANI VINOD M · CIK 0001204034 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · Held in Directors Deferred Compensation Plan.

Disclosed balance after: 20,035.282

Read SEC document
September 04, 2026 Filed Sep 9, 2026 20:59 UTC GrantCommon Stock 0.75 $0.00 $0.00
Disclosure

SEC source: 0001231898-26-000013 · wk-form4_1788987591.xml · nonDerivative · entry 1

LIGGETT EMILY M · CIK 0001231898 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · Held in Directors Deferred Comp. Plan

Disclosed balance after: 1,272.052

Read SEC document
September 04, 2026 Filed Sep 9, 2026 20:59 UTC GrantCommon Stock 9.652 $0.00 $0.00
Disclosure

SEC source: 0001422978-26-000016 · wk-form4_1788987572.xml · nonDerivative · entry 1

Prevost Patrick M. · CIK 0001422978 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · Held In Directors Deferred Comp. Plan

Disclosed balance after: 18,416.431

Read SEC document
September 04, 2026 Filed Sep 9, 2026 20:59 UTC GrantCommon Stock 7.082 $0.00 $0.00
Disclosure

SEC source: 0001213190-26-000021 · wk-form4_1788987557.xml · nonDerivative · entry 1

PHILLIPPY ROBERT J · CIK 0001213190 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · Held in Directors Deferred Compensation Plan

Disclosed balance after: 12,041.34

Read SEC document
September 04, 2026 Filed Sep 9, 2026 20:59 UTC
Vijayvargiya Jugal K.Director · President and CEO
GrantRestricted Stock Units · Derivative 11 $0.00 $0.00
Disclosure

SEC source: 0001541300-26-000023 · wk-form4_1788987563.xml · derivative · entry 1

Vijayvargiya Jugal K. · CIK 0001541300 · Director · President and CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 19,121

Underlying: Common Stock · 11 shares

Expires not disclosed

F1 · derivative.exercise_price: Each restricted stock unit (RSU) represents a right to receive one share of MTRN common stock.

F2 · derivative.exercise_date: These units, which were acquired upon the reinvestment of dividend equivalents, will vest at the same time as the Restricted Stock Units to which they relate.

F3 · derivative.expiration_date: Expiration Date is the same as the Date Exercisable.

Read SEC document
September 04, 2026 Filed Sep 9, 2026 20:59 UTC
Fashinpaur Melissa AChief Accounting Officer
GrantRestricted Stock Units · Derivative 1 $0.00 $0.00
Disclosure

SEC source: 0002072270-26-000013 · wk-form4_1788987567.xml · derivative · entry 1

Fashinpaur Melissa A · CIK 0002072270 · Chief Accounting Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 2,239

Underlying: Common Stock · 1 shares

Expires not disclosed

F1 · derivative.exercise_price: Each restricted stock unit represents a right to receive one share of MTRN common stock.

F2 · derivative.exercise_date: These restricted stock units, which were acquired upon the reinvestment of dividend equivalents, will vest at the same time as the restricted stock units to which they relate.

F3 · derivative.expiration_date: Expiration Date is the same as the Date Exercisable.

Read SEC document
September 04, 2026 Filed Sep 9, 2026 20:59 UTC GrantCommon Stock 31.14 $0.00 $0.00
Disclosure

SEC source: 0001078942-26-000016 · wk-form4_1788987576.xml · nonDerivative · entry 1

SHULAR CRAIG S · CIK 0001078942 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · Held In Directors Deferred Comp. Plan

Disclosed balance after: 54,950.937

Read SEC document
September 01, 2026 Filed Sep 3, 2026 14:17 UTC SaleCommon Stock 1,012 $232.42 $235,210.05
Disclosure

SEC source: 0001231898-26-000011 · wk-form4_1788445035.xml · nonDerivative · entry 1

LIGGETT EMILY M · CIK 0001231898 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 3,161

F1 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $232.310 to $232.590, inclusive. 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 range set forth in this footnote.

Read SEC document
August 31, 2026 Filed Aug 31, 2026 18:51 UTC GiftCommon Stock 28,832 $0.00 $0.00
Disclosure

SEC source: 0001104657-26-000045 · wk-form4_1788202274.xml · nonDerivative · entry 2

Toth Robert B · CIK 0001392923 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · By family limited partnership

Disclosed balance after: 28,832

F1 · kind: Reflects the gift by the reporting person's spouse of 28,832 shares to a family limited partnership, the general partner of which is a limited liability company of which the reporting person is the sole member and manager.

Read SEC document
August 31, 2026 Filed Aug 31, 2026 18:51 UTC GiftCommon Stock 28,832 $0.00 $0.00
Disclosure

SEC source: 0001104657-26-000045 · wk-form4_1788202274.xml · nonDerivative · entry 1

Toth Robert B · CIK 0001392923 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · By Spouse

Disclosed balance after: 0

F1 · kind: Reflects the gift by the reporting person's spouse of 28,832 shares to a family limited partnership, the general partner of which is a limited liability company of which the reporting person is the sole member and manager.

Read SEC document
August 31, 2026 Filed Sep 1, 2026 17:47 UTC SaleCommon Stock 2,000 $235.16 $470,322.00
Disclosure

SEC source: 0001204034-26-000023 · wk-form4_1788284843.xml · nonDerivative · entry 1

KHILNANI VINOD M · CIK 0001204034 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 11,171

F1 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $234.980 to $235.830, inclusive. 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 range set forth in this footnote.

Read SEC document
August 21, 2026 Filed Aug 25, 2026 20:18 UTC GiftCommon Stock 1,609 $0.00 $0.00
Disclosure

SEC source: 0001231898-26-000009 · wk-form4_1787689101.xml · nonDerivative · entry 1

LIGGETT EMILY M · CIK 0001231898 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 4,173

Read SEC document
August 10, 2026 Filed Aug 12, 2026 14:51 UTC GiftCommon Stock 28,832 $0.00 $0.00
Disclosure

SEC source: 0001392923-26-000011 · wk-form4_1786546301.xml · nonDerivative · entry 2

Toth Robert B · CIK 0001392923 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · By Spouse

Disclosed balance after: 28,832

F1 · kind: The reporting person gifted 28,832 shares to his spouse.

Read SEC document
August 10, 2026 Filed Aug 12, 2026 14:51 UTC GiftCommon Stock 28,832 $0.00 $0.00
Disclosure

SEC source: 0001392923-26-000011 · wk-form4_1786546301.xml · nonDerivative · entry 1

Toth Robert B · CIK 0001392923 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

F1 · kind: The reporting person gifted 28,832 shares to his spouse.

Read SEC document
August 07, 2026 Filed Aug 11, 2026 20:50 UTC
Vijayvargiya Jugal K.Director · President and CEO
Exercise / conversionStock Appreciation Rights · Derivative 24,594 $0.00 Strike: $68.82 $0.00
Disclosure

SEC source: 0001541300-26-000021 · wk-form4_1786481419.xml · derivative · entry 11

Vijayvargiya Jugal K. · CIK 0001541300 · Director · President and CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 24,594 shares

Expires 2028-02-17

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F10 · derivative.exercise_date: The Stock Appreciation Rights vest in three substantially equal annual installments beginning February 17, 2022.

Read SEC document
August 07, 2026 Filed Aug 11, 2026 20:50 UTC
Vijayvargiya Jugal K.Director · President and CEO
SaleCommon Stock 267 $293.24 $78,296.15
Disclosure

SEC source: 0001541300-26-000021 · wk-form4_1786481419.xml · nonDerivative · entry 10

Vijayvargiya Jugal K. · CIK 0001541300 · Director · President and CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 116,699

F1 · price: 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 (2) through (9) of this Form 4.

F9 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $296.000 to $296.560, inclusive.

Read SEC document
August 07, 2026 Filed Aug 11, 2026 20:50 UTC
Vijayvargiya Jugal K.Director · President and CEO
SaleCommon Stock 286 $295.17 $84,418.62
Disclosure

SEC source: 0001541300-26-000021 · wk-form4_1786481419.xml · nonDerivative · entry 9

Vijayvargiya Jugal K. · CIK 0001541300 · Director · President and CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 116,966

F1 · price: 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 (2) through (9) of this Form 4.

F8 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $295.000 to $295.450, inclusive.

Read SEC document
August 07, 2026 Filed Aug 11, 2026 20:50 UTC
Vijayvargiya Jugal K.Director · President and CEO
SaleCommon Stock 4,865 $294.45 $1,432,489.52
Disclosure

SEC source: 0001541300-26-000021 · wk-form4_1786481419.xml · nonDerivative · entry 8

Vijayvargiya Jugal K. · CIK 0001541300 · Director · President and CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 117,252

F1 · price: 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 (2) through (9) of this Form 4.

F7 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $294.000 to $294.910, inclusive.

Read SEC document
August 07, 2026 Filed Aug 11, 2026 20:50 UTC
Vijayvargiya Jugal K.Director · President and CEO
SaleCommon Stock 2,337 $293.65 $686,248.37
Disclosure

SEC source: 0001541300-26-000021 · wk-form4_1786481419.xml · nonDerivative · entry 7

Vijayvargiya Jugal K. · CIK 0001541300 · Director · President and CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 122,117

F1 · price: 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 (2) through (9) of this Form 4.

F6 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $293.150 to $293.980, inclusive.

Read SEC document
August 07, 2026 Filed Aug 11, 2026 20:50 UTC
Vijayvargiya Jugal K.Director · President and CEO
SaleCommon Stock 3,745 $292.46 $1,095,270.19
Disclosure

SEC source: 0001541300-26-000021 · wk-form4_1786481419.xml · nonDerivative · entry 6

Vijayvargiya Jugal K. · CIK 0001541300 · Director · President and CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 124,454

F1 · price: 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 (2) through (9) of this Form 4.

F5 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $292.460 to $292.615, inclusive.

Read SEC document
August 07, 2026 Filed Aug 11, 2026 20:50 UTC
Vijayvargiya Jugal K.Director · President and CEO
SaleCommon Stock 11,174 $290.12 $3,241,834.40
Disclosure

SEC source: 0001541300-26-000021 · wk-form4_1786481419.xml · nonDerivative · entry 5

Vijayvargiya Jugal K. · CIK 0001541300 · Director · President and CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 128,199

F1 · price: 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 (2) through (9) of this Form 4.

F4 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $290.000 to $290.700, inclusive.

Read SEC document
August 07, 2026 Filed Aug 11, 2026 20:50 UTC
Vijayvargiya Jugal K.Director · President and CEO
SaleCommon Stock 287 $288.29 $82,738.66
Disclosure

SEC source: 0001541300-26-000021 · wk-form4_1786481419.xml · nonDerivative · entry 4

Vijayvargiya Jugal K. · CIK 0001541300 · Director · President and CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 139,373

F1 · price: 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 (2) through (9) of this Form 4.

F3 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $288.030 to $288.415, inclusive.

Read SEC document
August 07, 2026 Filed Aug 11, 2026 20:50 UTC
Vijayvargiya Jugal K.Director · President and CEO
SaleCommon Stock 1,375 $287.67 $395,543.50
Disclosure

SEC source: 0001541300-26-000021 · wk-form4_1786481419.xml · nonDerivative · entry 3

Vijayvargiya Jugal K. · CIK 0001541300 · Director · President and CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 139,660

F1 · price: 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 (2) through (9) of this Form 4.

F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $287.330 to $287.970, inclusive.

Read SEC document
August 07, 2026 Filed Aug 11, 2026 20:50 UTC
Vijayvargiya Jugal K.Director · President and CEO
Tax withholdingCommon Stock 13,146 $296.00 $3,891,216.00
Disclosure

SEC source: 0001541300-26-000021 · wk-form4_1786481419.xml · nonDerivative · entry 2

Vijayvargiya Jugal K. · CIK 0001541300 · Director · President and CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 141,035

Read SEC document
August 07, 2026 Filed Aug 11, 2026 20:50 UTC
Vijayvargiya Jugal K.Director · President and CEO
Exercise / conversionCommon Stock 24,594 $68.82 $1,692,559.08
Disclosure

SEC source: 0001541300-26-000021 · wk-form4_1786481419.xml · nonDerivative · entry 1

Vijayvargiya Jugal K. · CIK 0001541300 · Director · President and CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 154,181

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

Read SEC document
August 07, 2026 Filed Aug 11, 2026 20:50 UTC SaleCommon Stock 3,705 $292.22 $1,082,689.92
Disclosure

SEC source: 0001526849-26-000007 · wk-form4_1786481414.xml · nonDerivative · entry 1

Solomon Darlene J. S. · CIK 0001526849 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 26,718

F1 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $292.190 to $292.690 inclusive. 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 range set forth in this footnote.

Read SEC document
August 07, 2026 Filed Aug 11, 2026 20:50 UTC
Chadwick Shelly MarieVice President, Finance & CFO
Exercise / conversionStock Appreciation Rights · Derivative 2,172 $0.00 Strike: $87.36 $0.00
Disclosure

SEC source: 0001688289-26-000018 · wk-form4_1786481408.xml · derivative · entry 6

Chadwick Shelly Marie · CIK 0001688289 · Vice President, Finance & CFO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 4,345

Underlying: Common Stock · 2,172 shares

Expires 2032-03-01

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F2 · derivative.exercise_date: The Stock Appreciation Rights vest in three substantially equal annual installments beginning March 1, 2026.

Read SEC document
August 07, 2026 Filed Aug 11, 2026 20:50 UTC
Chadwick Shelly MarieVice President, Finance & CFO
Exercise / conversionStock Appreciation Rights · Derivative 2,800 $0.00 Strike: $135.58 $0.00
Disclosure

SEC source: 0001688289-26-000018 · wk-form4_1786481408.xml · derivative · entry 5

Chadwick Shelly Marie · CIK 0001688289 · Vice President, Finance & CFO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,400

Underlying: Common Stock · 2,800 shares

Expires 2031-03-01

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_date: The Stock Appreciation Rights vest in three substantially equal annual installments beginning March 1, 2025.

Read SEC document
August 07, 2026 Filed Aug 11, 2026 20:50 UTC
Chadwick Shelly MarieVice President, Finance & CFO
SaleCommon Stock 1,705 $293.00 $499,565.00
Disclosure

SEC source: 0001688289-26-000018 · wk-form4_1786481408.xml · nonDerivative · entry 4

Chadwick Shelly Marie · CIK 0001688289 · Vice President, Finance & CFO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 15,246

Read SEC document
August 07, 2026 Filed Aug 11, 2026 20:50 UTC
Chadwick Shelly MarieVice President, Finance & CFO
Tax withholdingCommon Stock 3,267 $293.40 $958,537.80
Disclosure

SEC source: 0001688289-26-000018 · wk-form4_1786481408.xml · nonDerivative · entry 3

Chadwick Shelly Marie · CIK 0001688289 · Vice President, Finance & CFO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 16,951

Read SEC document
August 07, 2026 Filed Aug 11, 2026 20:50 UTC
Chadwick Shelly MarieVice President, Finance & CFO
Exercise / conversionCommon Stock 2,172 $87.36 $189,745.92
Disclosure

SEC source: 0001688289-26-000018 · wk-form4_1786481408.xml · nonDerivative · entry 2

Chadwick Shelly Marie · CIK 0001688289 · Vice President, Finance & CFO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 20,218

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

Read SEC document
August 07, 2026 Filed Aug 11, 2026 20:50 UTC
Chadwick Shelly MarieVice President, Finance & CFO
Exercise / conversionCommon Stock 2,800 $135.58 $379,624.00
Disclosure

SEC source: 0001688289-26-000018 · wk-form4_1786481408.xml · nonDerivative · entry 1

Chadwick Shelly Marie · CIK 0001688289 · Vice President, Finance & CFO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 18,046

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

Read SEC document
July 15, 2026 Filed Jul 16, 2026 14:53 UTC GrantCommon Stock 96 $253.27 $24,313.92
Disclosure

SEC source: 0001078942-26-000014 · wk-form4_1784213585.xml · nonDerivative · entry 1

SHULAR CRAIG S · CIK 0001078942 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · Held In Directors Deferred Comp. Plan

Disclosed balance after: 54,919.797

Read SEC document
July 15, 2026 Filed Jul 16, 2026 14:53 UTC GrantCommon Stock 81 $253.27 $20,514.87
Disclosure

SEC source: 0001422978-26-000014 · wk-form4_1784213591.xml · nonDerivative · entry 1

Prevost Patrick M. · CIK 0001422978 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · Held In Directors Deferred Comp. Plan

Disclosed balance after: 18,406.779

Read SEC document
June 12, 2026 Filed Jun 16, 2026 17:29 UTC GrantCommon Stock 30.744 $0.00 $0.00
Disclosure

SEC source: 0001078942-26-000012 · wk-form4_1781630947.xml · nonDerivative · entry 1

SHULAR CRAIG S · CIK 0001078942 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · Held In Directors Deferred Comp. Plan

Disclosed balance after: 54,823.797

Read SEC document
June 12, 2026 Filed Jun 16, 2026 17:29 UTC
Fashinpaur Melissa AChief Accounting Officer
GrantRestricted Stock Units · Derivative 1 $0.00 $0.00
Disclosure

SEC source: 0002072270-26-000011 · wk-form4_1781630990.xml · derivative · entry 1

Fashinpaur Melissa A · CIK 0002072270 · Chief Accounting Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 2,238

Underlying: Common Stock · 1 shares

Expires not disclosed

F1 · derivative.exercise_price: Each restricted stock unit represents a right to receive one share of MTRN common stock.

F2 · derivative.exercise_date: These restricted stock units, which were acquired upon the reinvestment of dividend equivalents, will vest at the same time as the restricted stock units to which they relate.

F3 · derivative.expiration_date: Expiration Date is the same as the Date Exercisable.

Read SEC document
June 12, 2026 Filed Jun 16, 2026 17:29 UTC
Chadwick Shelly MarieVice President, Finance & CFO
GrantRestricted Stock Units · Derivative 8 $0.00 $0.00
Disclosure

SEC source: 0001688289-26-000016 · wk-form4_1781630984.xml · derivative · entry 1

Chadwick Shelly Marie · CIK 0001688289 · Vice President, Finance & CFO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 12,498

Underlying: Common Stock · 8 shares

Expires not disclosed

F1 · derivative.exercise_price: Each restricted stock unit represents a right to receive one share of MTRN common stock.

F2 · derivative.exercise_date: These restricted stock units, which were acquired upon the reinvestment of dividend equivalents, will vest at the same time as the restricted stock units to which they relate.

F3 · derivative.expiration_date: Expiration Date is the same as the Date Exercisable.

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June 12, 2026 Filed Jun 16, 2026 17:29 UTC GrantCommon Stock 9.499 $0.00 $0.00
Disclosure

SEC source: 0001422978-26-000012 · wk-form4_1781630980.xml · nonDerivative · entry 1

Prevost Patrick M. · CIK 0001422978 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · Held In Directors Deferred Comp. Plan

Disclosed balance after: 18,325.779

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June 12, 2026 Filed Jun 16, 2026 17:29 UTC GrantCommon Stock 0.741 $0.00 $0.00
Disclosure

SEC source: 0001231898-26-000007 · wk-form4_1781630974.xml · nonDerivative · entry 1

LIGGETT EMILY M · CIK 0001231898 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · Held in Directors Deferred Comp. Plan

Disclosed balance after: 1,271.302

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June 12, 2026 Filed Jun 16, 2026 17:29 UTC
Vijayvargiya Jugal K.Director · President and CEO
GrantRestricted Stock Units · Derivative 11 $0.00 $0.00
Disclosure

SEC source: 0001541300-26-000019 · wk-form4_1781630968.xml · derivative · entry 1

Vijayvargiya Jugal K. · CIK 0001541300 · Director · President and CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 19,110

Underlying: Common Stock · 11 shares

Expires not disclosed

F1 · derivative.exercise_price: Each restricted stock unit (RSU) represents a right to receive one share of MTRN common stock.

F2 · derivative.exercise_date: These units, which were acquired upon the reinvestment of dividend equivalents, will vest at the same time as the Restricted Stock Units to which they relate.

F3 · derivative.expiration_date: Expiration Date is the same as the Date Exercisable.

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June 12, 2026 Filed Jun 16, 2026 17:29 UTC GrantCommon Stock 7.005 $0.00 $0.00
Disclosure

SEC source: 0001213190-26-000017 · wk-form4_1781630962.xml · nonDerivative · entry 1

PHILLIPPY ROBERT J · CIK 0001213190 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · Held in Directors Deferred Compensation Plan

Disclosed balance after: 12,034.258

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June 12, 2026 Filed Jun 16, 2026 17:29 UTC
Chemnitz Gregory R.VP General Counsel & Secretary
GrantRestricted Stock Units · Derivative 2 $0.00 $0.00
Disclosure

SEC source: 0001519910-26-000012 · wk-form4_1781630957.xml · derivative · entry 1

Chemnitz Gregory R. · CIK 0001519910 · VP General Counsel & Secretary

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 3,545

Underlying: Common Stock · 2 shares

Expires not disclosed

F1 · derivative.exercise_price: Each restricted stock unit represents a right to receive one share of MTRN common stock.

F2 · derivative.exercise_date: These units, which were acquired upon the reinvestment of dividend equivalents, will vest at the same time as the restricted stock units to which they relate.

F3 · derivative.expiration_date: Expiration Date is the same as the Date Exercisable.

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June 12, 2026 Filed Jun 16, 2026 17:29 UTC GrantCommon Stock 11.655 $0.00 $0.00
Disclosure

SEC source: 0001204034-26-000019 · wk-form4_1781630952.xml · nonDerivative · entry 1

KHILNANI VINOD M · CIK 0001204034 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · Held in Directors Deferred Compensation Plan.

Disclosed balance after: 20,023.498

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May 29, 2026 Filed Jun 1, 2026 19:58 UTC SaleCommon Stock 356 $220.30 $78,426.44
Disclosure

SEC source: 0001213190-26-000015 · wk-form4_1780343922.xml · nonDerivative · entry 4

PHILLIPPY ROBERT J · CIK 0001213190 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 3,664

F1 · price: 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 (2) through (5) of this Form 4.

F5 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $220.150 to $220.480, inclusive.

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May 29, 2026 Filed Jun 1, 2026 19:58 UTC SaleCommon Stock 740 $219.54 $162,459.60
Disclosure

SEC source: 0001213190-26-000015 · wk-form4_1780343922.xml · nonDerivative · entry 3

PHILLIPPY ROBERT J · CIK 0001213190 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 4,020

F1 · price: 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 (2) through (5) of this Form 4.

F4 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $219.310 to $219.920, inclusive.

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May 29, 2026 Filed Jun 1, 2026 19:58 UTC SaleCommon Stock 1,084 $218.59 $236,955.90
Disclosure

SEC source: 0001213190-26-000015 · wk-form4_1780343922.xml · nonDerivative · entry 2

PHILLIPPY ROBERT J · CIK 0001213190 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 4,760

F1 · price: 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 (2) through (5) of this Form 4.

F3 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $218.160 to $218.925, inclusive.

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May 29, 2026 Filed Jun 1, 2026 19:58 UTC SaleCommon Stock 1,320 $217.67 $287,321.76
Disclosure

SEC source: 0001213190-26-000015 · wk-form4_1780343922.xml · nonDerivative · entry 1

PHILLIPPY ROBERT J · CIK 0001213190 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 5,844

F1 · price: 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 (2) through (5) of this Form 4.

F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $217.345 to $217.920, inclusive.

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May 13, 2026 Filed May 15, 2026 19:53 UTC SaleCommon Stock 603 $208.74 $125,869.01
Disclosure

SEC source: 0001204034-26-000018 · wk-form4_1778874795.xml · nonDerivative · entry 4

KHILNANI VINOD M · CIK 0001204034 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 13,171

F1 · price: 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 (2) through (5) of this Form 4.

F5 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $208.400 to $209.210, inclusive.

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Value uses the disclosed total when available, otherwise shares × reported transaction price. It is not an estimate of exercise cash cost or investment performance.