MTRN

SEC source: 0001104657-22-000105 · wf-form4_165582121460496.xml · derivative · entry 3

SHULAR CRAIG S · CIK 0001078942 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,392

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.

SEC source: 0001104657-22-000105 · wf-form4_165582121460496.xml · nonDerivative · entry 1

SHULAR CRAIG S · CIK 0001078942 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · Held In Directors Deferred Comp. Plan

Disclosed balance after: 44,510.337

SEC source: 0001104657-22-000109 · wf-form4_165583775380292.xml · derivative · entry 3

LIGGETT EMILY M · CIK 0001231898 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,392

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.

SEC source: 0001104657-22-000109 · wf-form4_165583775380292.xml · nonDerivative · entry 1

LIGGETT EMILY M · CIK 0001231898 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · Held in Directors Deferred Comp. Plan

Disclosed balance after: 1,248.11

SEC source: 0001104657-22-000108 · wf-form4_165582126550890.xml · derivative · entry 1

Solomon Darlene J. S. · CIK 0001526849 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,392

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.

SEC source: 0001104657-22-000107 · wf-form4_165582124908689.xml · derivative · entry 1

Toth Robert B · CIK 0001392923 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,392

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.

SEC source: 0001104657-22-000106 · wf-form4_165582123086912.xml · derivative · entry 1

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 18,651

Underlying: Common Stock · 33 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.

SEC source: 0001104657-22-000104 · wf-form4_165582119897926.xml · derivative · entry 3

PHILLIPPY ROBERT J · CIK 0001213190 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,392

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.

SEC source: 0001104657-22-000104 · wf-form4_165582119897926.xml · nonDerivative · entry 1

PHILLIPPY ROBERT J · CIK 0001213190 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · Held in Directors Deferred Compensation Plan

Disclosed balance after: 11,315.354

SEC source: 0001104657-22-000103 · wf-form4_165582118229206.xml · derivative · entry 2

REDDY N MOHAN · CIK 0001209386 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,392

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.

SEC source: 0001104657-22-000103 · wf-form4_165582118229206.xml · nonDerivative · entry 1

REDDY N MOHAN · CIK 0001209386 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · Held in Directors Deferred Compensation Plan.

Disclosed balance after: 41,819.916

SEC source: 0001104657-22-000102 · wf-form4_165581992765673.xml · derivative · entry 3

KHILNANI VINOD M · CIK 0001204034 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,392

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.

SEC source: 0001104657-22-000102 · wf-form4_165581992765673.xml · nonDerivative · entry 1

KHILNANI VINOD M · CIK 0001204034 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · Held in Directors Deferred Compensation Plan.

Disclosed balance after: 18,496.367

SEC source: 0001104657-22-000101 · wf-form4_165581930913216.xml · derivative · entry 1

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 8,532

Underlying: Common Stock · 15 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.

SEC source: 0001104657-22-000100 · wf-form4_165581857422527.xml · derivative · entry 2

Prevost Patrick M. · CIK 0001422978 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,392

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.

SEC source: 0001104657-22-000100 · wf-form4_165581857422527.xml · nonDerivative · entry 1

Prevost Patrick M. · CIK 0001422978 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · Held In Directors Deferred Comp. Plan

Disclosed balance after: 9,214.302

SEC source: 0001104657-22-000099 · wf-form4_165581802505793.xml · derivative · entry 1

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 22,103

Underlying: Common Stock · 39 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.

SEC source: 0001104657-23-000004 · wf-form4_167546045768452.xml · derivative · entry 1

Zaranec John M · CIK 0001964242 · Chief Accounting Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 4,404

Underlying: Common Stock · 7 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 RSUs to which they relate.

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

SEC source: 0001104657-22-000089 · wf-form4_165274025035409.xml · nonDerivative · entry 1

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 17,195

SEC source: 0001104657-22-000083 · wf-form4_165186996883393.xml · derivative · entry 4

SHULAR CRAIG S · CIK 0001078942 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,390

Underlying: Common Stock · 1,390 shares

Expires not disclosed

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

F3 · derivative.exercise_date: The restricted stock units generally vest on the earlier of (1) the first anniversary of the grant date and (2) the date of the next annual meeting of MTRN's shareholders that follows the grant date.

F3 · derivative.expiration_date: The restricted stock units generally vest on the earlier of (1) the first anniversary of the grant date and (2) the date of the next annual meeting of MTRN's shareholders that follows the grant date.

SEC source: 0001104657-22-000084 · wf-form4_165187004849584.xml · derivative · entry 3

Prevost Patrick M. · CIK 0001422978 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,390

Underlying: Common Stock · 1,390 shares

Expires not disclosed

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

F3 · derivative.exercise_date: The restricted stock units generally vest on the earlier of (1) the first anniversary of the grant date and (2) the date of the next annual meeting of MTRN's shareholders that follows the grant date.

F3 · derivative.expiration_date: The restricted stock units generally vest on the earlier of (1) the first anniversary of the grant date and (2) the date of the next annual meeting of MTRN's shareholders that follows the grant date.

SEC source: 0001104657-22-000082 · wf-form4_165186989607202.xml · derivative · entry 4

KHILNANI VINOD M · CIK 0001204034 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,390

Underlying: Common Stock · 1,390 shares

Expires not disclosed

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

F3 · derivative.exercise_date: The restricted stock units generally vest on the earlier of (1) the first anniversary of the grant date and (2) the date of the next annual meeting of MTRN's shareholders that follows the grant date.

F3 · derivative.expiration_date: The restricted stock units generally vest on the earlier of (1) the first anniversary of the grant date and (2) the date of the next annual meeting of MTRN's shareholders that follows the grant date.

SEC source: 0001104657-22-000081 · wf-form4_165186975206446.xml · derivative · entry 4

LIGGETT EMILY M · CIK 0001231898 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,390

Underlying: Common Stock · 1,390 shares

Expires not disclosed

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

F3 · derivative.exercise_date: The restricted stock units generally vest on the earlier of (1) the first anniversary of the grant date and (2) the date of the next annual meeting of MTRN's shareholders that follows the grant date.

F3 · derivative.expiration_date: The restricted stock units generally vest on the earlier of (1) the first anniversary of the grant date and (2) the date of the next annual meeting of MTRN's shareholders that follows the grant date.

SEC source: 0001104657-22-000080 · wf-form4_165186955494784.xml · derivative · entry 3

REDDY N MOHAN · CIK 0001209386 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,390

Underlying: Common Stock · 1,390 shares

Expires not disclosed

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

F3 · derivative.exercise_date: The restricted stock units generally vest on the earlier of (1) the first anniversary of the grant date and (2) the date of the next annual meeting of MTRN's shareholders that follows the grant date.

F3 · derivative.expiration_date: The restricted stock units generally vest on the earlier of (1) the first anniversary of the grant date and (2) the date of the next annual meeting of MTRN's shareholders that follows the grant date.

SEC source: 0001104657-22-000079 · wf-form4_165186935798688.xml · derivative · entry 4

PHILLIPPY ROBERT J · CIK 0001213190 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,390

Underlying: Common Stock · 1,390 shares

Expires not disclosed

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

F3 · derivative.exercise_date: The restricted stock units generally vest on the earlier of (1) the first anniversary of the grant date and (2) the date of the next annual meeting of MTRN's shareholders that follows the grant date.

F3 · derivative.expiration_date: The restricted stock units generally vest on the earlier of (1) the first anniversary of the grant date and (2) the date of the next annual meeting of MTRN's shareholders that follows the grant date.

SEC source: 0001104657-22-000078 · wf-form4_165186919736900.xml · derivative · entry 3

Solomon Darlene J. S. · CIK 0001526849 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,390

Underlying: Common Stock · 1,390 shares

Expires not disclosed

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

F3 · derivative.exercise_date: The restricted stock units generally vest on the earlier of (1) the first anniversary of the grant date and (2) the date of the next annual meeting of MTRN's shareholders that follows the grant date.

F3 · derivative.expiration_date: The restricted stock units generally vest on the earlier of (1) the first anniversary of the grant date and (2) the date of the next annual meeting of MTRN's shareholders that follows the grant date.

SEC source: 0001104657-22-000077 · wf-form4_165186906483532.xml · derivative · entry 3

Toth Robert B · CIK 0001392923 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,390

Underlying: Common Stock · 1,390 shares

Expires not disclosed

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

F3 · derivative.exercise_date: The restricted stock units generally vest on the earlier of (1) the first anniversary of the grant date and (2) the date of the next annual meeting of MTRN's shareholders that follows the grant date.

F3 · derivative.expiration_date: The restricted stock units generally vest on the earlier of (1) the first anniversary of the grant date and (2) the date of the next annual meeting of MTRN's shareholders that follows the grant date.

SEC source: 0001104657-22-000083 · wf-form4_165186996883393.xml · derivative · entry 3

SHULAR CRAIG S · CIK 0001078942 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 1,246 shares

Expires not disclosed

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_price: Each restricted stock unit represents a right to receive one share of MTRN common stock.

F2 · derivative.exercise_date: These shares were issued pursuant to the vesting of a restricted stock unit award made in May 2021 that vested on May 4, 2022.

F2 · derivative.expiration_date: These shares were issued pursuant to the vesting of a restricted stock unit award made in May 2021 that vested on May 4, 2022.

SEC source: 0001104657-22-000083 · wf-form4_165186996883393.xml · nonDerivative · entry 1

SHULAR CRAIG S · CIK 0001078942 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · Held In Directors Deferred Comp. Plan

Disclosed balance after: 44,435.113

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

SEC source: 0001104657-22-000084 · wf-form4_165187004849584.xml · derivative · entry 2

Prevost Patrick M. · CIK 0001422978 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 1,246 shares

Expires not disclosed

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_price: Each restricted stock unit represents a right to receive one share of MTRN common stock.

F2 · derivative.exercise_date: These shares were issued pursuant to the vesting of a restricted stock unit award made in May 2021 that vested on May 4, 2022.

F2 · derivative.expiration_date: These shares were issued pursuant to the vesting of a restricted stock unit award made in May 2021 that vested on May 4, 2022.

SEC source: 0001104657-22-000084 · wf-form4_165187004849584.xml · nonDerivative · entry 1

Prevost Patrick M. · CIK 0001422978 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · Held In Directors Deferred Comp. Plan

Disclosed balance after: 9,198.73

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

SEC source: 0001104657-22-000082 · wf-form4_165186989607202.xml · derivative · entry 3

KHILNANI VINOD M · CIK 0001204034 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 1,246 shares

Expires not disclosed

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_price: Each restricted stock unit represents a right to receive one share of MTRN common stock.

F2 · derivative.exercise_date: These shares were issued pursuant to the vesting of a restricted stock unit award made in May 2021 that vested on May 4, 2022.

F2 · derivative.expiration_date: These shares were issued pursuant to the vesting of a restricted stock unit award made in May 2021 that vested on May 4, 2022.

SEC source: 0001104657-22-000082 · wf-form4_165186989607202.xml · nonDerivative · entry 1

KHILNANI VINOD M · CIK 0001204034 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 15,115

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

SEC source: 0001104657-22-000081 · wf-form4_165186975206446.xml · derivative · entry 3

LIGGETT EMILY M · CIK 0001231898 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 1,246 shares

Expires not disclosed

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_price: Each restricted stock unit represents a right to receive one share of MTRN common stock.

F2 · derivative.exercise_date: These shares were issued pursuant to the vesting of a restricted stock unit award made in May 2021 that vested on May 4, 2022.

F2 · derivative.expiration_date: These shares were issued pursuant to the vesting of a restricted stock unit award made in May 2021 that vested on May 4, 2022.

SEC source: 0001104657-22-000081 · wf-form4_165186975206446.xml · nonDerivative · entry 1

LIGGETT EMILY M · CIK 0001231898 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · Held in Directors Deferred Comp. Plan

Disclosed balance after: 1,246

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

SEC source: 0001104657-22-000080 · wf-form4_165186955494784.xml · derivative · entry 2

REDDY N MOHAN · CIK 0001209386 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 1,246 shares

Expires not disclosed

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_price: Each restricted stock unit represents a right to receive one share of MTRN common stock.

F2 · derivative.exercise_date: These shares were issued pursuant to the vesting of a restricted stock unit award made in May 2021 that vested on May 4, 2022.

F2 · derivative.expiration_date: These shares were issued pursuant to the vesting of a restricted stock unit award made in May 2021 that vested on May 4, 2022.

SEC source: 0001104657-22-000080 · wf-form4_165186955494784.xml · nonDerivative · entry 1

REDDY N MOHAN · CIK 0001209386 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · Held in Directors Deferred Compensation Plan.

Disclosed balance after: 41,749.239

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

SEC source: 0001104657-22-000079 · wf-form4_165186935798688.xml · derivative · entry 3

PHILLIPPY ROBERT J · CIK 0001213190 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 1,246 shares

Expires not disclosed

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_price: Each restricted stock unit represents a right to receive one share of MTRN common stock.

F2 · derivative.exercise_date: These shares were issued pursuant to the vesting of a restricted stock unit award made in May 2021 that vested on May 4, 2022.

F2 · derivative.expiration_date: These shares were issued pursuant to the vesting of a restricted stock unit award made in May 2021 that vested on May 4, 2022.

SEC source: 0001104657-22-000079 · wf-form4_165186935798688.xml · nonDerivative · entry 1

PHILLIPPY ROBERT J · CIK 0001213190 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · Held in Directors Deferred Compensation Plan

Disclosed balance after: 11,296.231

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

SEC source: 0001104657-22-000078 · wf-form4_165186919736900.xml · derivative · entry 2

Solomon Darlene J. S. · CIK 0001526849 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 1,246 shares

Expires not disclosed

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_price: Each restricted stock unit represents a right to receive one share of MTRN common stock.

F2 · derivative.exercise_date: These shares were issued pursuant to the vesting of a restricted stock unit award made in May 2021 that vested on May 4, 2022.

F2 · derivative.expiration_date: These shares were issued pursuant to the vesting of a restricted stock unit award made in May 2021 that vested on May 4, 2022.

SEC source: 0001104657-22-000078 · wf-form4_165186919736900.xml · nonDerivative · entry 1

Solomon Darlene J. S. · CIK 0001526849 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 24,712

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

SEC source: 0001104657-22-000077 · wf-form4_165186906483532.xml · derivative · entry 2

Toth Robert B · CIK 0001392923 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 1,246 shares

Expires not disclosed

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_price: Each restricted stock unit represents a right to receive one share of MTRN common stock.

F2 · derivative.exercise_date: These shares were issued pursuant to the vesting of a restricted stock unit award made in May 2021 that vested on May 4, 2022.

F2 · derivative.expiration_date: These shares were issued pursuant to the vesting of a restricted stock unit award made in May 2021 that vested on May 4, 2022.

SEC source: 0001104657-22-000077 · wf-form4_165186906483532.xml · nonDerivative · entry 1

Toth Robert B · CIK 0001392923 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 23,121

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

SEC source: 0001104657-22-000053 · wf-form4_164970328668092.xml · nonDerivative · entry 1

SHULAR CRAIG S · CIK 0001078942 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · Held In Directors Deferred Comp. Plan

Disclosed balance after: 43,189.113

SEC source: 0001104657-22-000054 · wf-form4_164970331457505.xml · nonDerivative · entry 1

PHILLIPPY ROBERT J · CIK 0001213190 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · Held in Directors Deferred Compensation Plan

Disclosed balance after: 10,050.231

SEC source: 0001104657-22-000052 · wf-form4_164970325507753.xml · nonDerivative · entry 1

Prevost Patrick M. · CIK 0001422978 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · Held In Directors Deferred Comp. Plan

Disclosed balance after: 7,952.73

SEC source: 0001104657-22-000042 · wf-form4_164737347544420.xml · derivative · entry 1

Solomon Darlene J. S. · CIK 0001526849 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,246

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.

SEC source: 0001104657-22-000043 · wf-form4_164737350383739.xml · derivative · entry 3

SHULAR CRAIG S · CIK 0001078942 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,246

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.

SEC source: 0001104657-22-000043 · wf-form4_164737350383739.xml · nonDerivative · entry 1

SHULAR CRAIG S · CIK 0001078942 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · Held In Directors Deferred Comp. Plan

Disclosed balance after: 42,913.113

SEC source: 0001104657-22-000045 · wf-form4_164737572635306.xml · derivative · entry 1

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 18,618

Underlying: Common Stock · 25 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.