KHILNANI VINOD M

SEC source: 0001415889-24-021816 · form4-08212024_040804.xml · nonDerivative · entry 1

KHILNANI VINOD M · CIK 0001204034 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 21,947

SEC source: 0001415889-24-021688 · form4-08202024_040801.xml · nonDerivative · entry 1

KHILNANI VINOD M · CIK 0001204034 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 25,887

SEC source: 0001415889-24-019851 · form4-07222024_070720.xml · derivative · entry 1

KHILNANI VINOD M · CIK 0001204034 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,735.5787

Underlying: Common Stock · 1.1766 shares

Expires not disclosed

F1 · derivative.exercise_price: Restricted Share Units (RSUs) issued in lieu of cash dividends on the RSUs held by the reporting person on the record date. Each RSU is the economic equivalent of one share of Common Stock. A portion of the RSU representing dividends on unvested shares becomes payable in Common Stock and/or cash when the underlying shares vest, or concurrently with the distribution of the underlying shares if the reporting person has so designated. Any remaining RSUs become payable in common stock upon, or at the election of the reporting person in installments beginning upon, the termination of the reporting person's service as a director or such earlier time as the reporting person may have designated.

F1 · derivative.exercise_date: Restricted Share Units (RSUs) issued in lieu of cash dividends on the RSUs held by the reporting person on the record date. Each RSU is the economic equivalent of one share of Common Stock. A portion of the RSU representing dividends on unvested shares becomes payable in Common Stock and/or cash when the underlying shares vest, or concurrently with the distribution of the underlying shares if the reporting person has so designated. Any remaining RSUs become payable in common stock upon, or at the election of the reporting person in installments beginning upon, the termination of the reporting person's service as a director or such earlier time as the reporting person may have designated.

F1 · derivative.expiration_date: Restricted Share Units (RSUs) issued in lieu of cash dividends on the RSUs held by the reporting person on the record date. Each RSU is the economic equivalent of one share of Common Stock. A portion of the RSU representing dividends on unvested shares becomes payable in Common Stock and/or cash when the underlying shares vest, or concurrently with the distribution of the underlying shares if the reporting person has so designated. Any remaining RSUs become payable in common stock upon, or at the election of the reporting person in installments beginning upon, the termination of the reporting person's service as a director or such earlier time as the reporting person may have designated.

SEC source: 0001104657-24-000095 · wk-form4_1718048964.xml · derivative · entry 3

KHILNANI VINOD M · CIK 0001204034 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,151

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 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 (earlier of May 10, 2025 and the date of the next annual meeting of MTRN's shareholders).

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

SEC source: 0001104657-24-000095 · wk-form4_1718048964.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: 18,679.961

SEC source: 0001104657-24-000074 · wk-form4_1715609090.xml · derivative · entry 4

KHILNANI VINOD M · CIK 0001204034 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,150

Underlying: Common Stock · 1,150 shares

Expires not disclosed

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

F4 · derivative.exercise_date: The restricted stock units generally vest on 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: Expiration Date is the same as the Date Exercisable.

SEC source: 0001104657-24-000074 · wk-form4_1715609090.xml · derivative · entry 3

KHILNANI VINOD M · CIK 0001204034 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 1,152 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 on May 18, 2023 that vested on May 9, 2024.

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

SEC source: 0001104657-24-000074 · wk-form4_1715609090.xml · nonDerivative · entry 1

KHILNANI VINOD M · CIK 0001204034 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 17,665

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: 0001415889-24-010965 · form4-04172024_080457.xml · derivative · entry 1

KHILNANI VINOD M · CIK 0001204034 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,734.4021

Underlying: Common Stock · 1.4021 shares

Expires not disclosed

F1 · derivative.exercise_price: Restricted Share Units (RSUs) issued in lieu of cash dividends on the RSUs held by the reporting person on the record date. Each RSU is the economic equivalent of one share of Common Stock. A portion of the RSU representing dividends on unvested shares becomes payable in Common Stock and/or cash when the underlying shares vest, or concurrently with the distribution of the underlying shares if the reporting person has so designated. Any remaining RSUs become payable in common stock upon, or at the election of the reporting person in installments beginning upon, the termination of the reporting person's service as a director or such earlier time as the reporting person may have designated.

F1 · derivative.exercise_date: Restricted Share Units (RSUs) issued in lieu of cash dividends on the RSUs held by the reporting person on the record date. Each RSU is the economic equivalent of one share of Common Stock. A portion of the RSU representing dividends on unvested shares becomes payable in Common Stock and/or cash when the underlying shares vest, or concurrently with the distribution of the underlying shares if the reporting person has so designated. Any remaining RSUs become payable in common stock upon, or at the election of the reporting person in installments beginning upon, the termination of the reporting person's service as a director or such earlier time as the reporting person may have designated.

F1 · derivative.expiration_date: Restricted Share Units (RSUs) issued in lieu of cash dividends on the RSUs held by the reporting person on the record date. Each RSU is the economic equivalent of one share of Common Stock. A portion of the RSU representing dividends on unvested shares becomes payable in Common Stock and/or cash when the underlying shares vest, or concurrently with the distribution of the underlying shares if the reporting person has so designated. Any remaining RSUs become payable in common stock upon, or at the election of the reporting person in installments beginning upon, the termination of the reporting person's service as a director or such earlier time as the reporting person may have designated.

SEC source: 0001104657-24-000033 · wk-form4_1710276361.xml · derivative · entry 3

KHILNANI VINOD M · CIK 0001204034 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,152

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 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 (earlier of May 18, 2024 and the date of the next annual meeting of MTRN's shareholders).

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

SEC source: 0001104657-24-000033 · wk-form4_1710276361.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: 18,657.034

SEC source: 0001140361-24-006910 · form4.xml · derivative · entry 1

KHILNANI VINOD M · CIK 0001204034 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,733

Underlying: Common Stock · 1,733 shares

Expires not disclosed

F1 · derivative.exercise_price: Each Restricted Share Unit (RSU) is the economic equivalent of one share of common stock. The RSUs vest one year after the grant date and become issuable as common stock upon vesting or at such later time as the reporting person may have designated in advance.

F1 · derivative.exercise_date: Each Restricted Share Unit (RSU) is the economic equivalent of one share of common stock. The RSUs vest one year after the grant date and become issuable as common stock upon vesting or at such later time as the reporting person may have designated in advance.

F1 · derivative.expiration_date: Each Restricted Share Unit (RSU) is the economic equivalent of one share of common stock. The RSUs vest one year after the grant date and become issuable as common stock upon vesting or at such later time as the reporting person may have designated in advance.

SEC source: 0001140361-24-006271 · form4.xml · derivative · entry 3

KHILNANI VINOD M · CIK 0001204034 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 0.7553 shares

Expires not disclosed

F1 · shares: Represents vesting of restricted share units (RSUs) acquired during 2023, conversion of whole number of vested RSUs into the same number of underlying whole shares of common stock, and disposition of remaining fractional RSUs to the issuer in exchange for cash at rate per share equal to NYSE closing price on vesting date.

F1 · price: Represents vesting of restricted share units (RSUs) acquired during 2023, conversion of whole number of vested RSUs into the same number of underlying whole shares of common stock, and disposition of remaining fractional RSUs to the issuer in exchange for cash at rate per share equal to NYSE closing price on vesting date.

F2 · derivative.exercise_date: RSUs were granted February 6, 2023, vesting one year after grant date.

F2 · derivative.expiration_date: RSUs were granted February 6, 2023, vesting one year after grant date.

F1 · derivative.underlying_shares: Represents vesting of restricted share units (RSUs) acquired during 2023, conversion of whole number of vested RSUs into the same number of underlying whole shares of common stock, and disposition of remaining fractional RSUs to the issuer in exchange for cash at rate per share equal to NYSE closing price on vesting date.

SEC source: 0001140361-24-006271 · form4.xml · derivative · entry 2

KHILNANI VINOD M · CIK 0001204034 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0.7553

Underlying: Common Stock · 1,810 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 · shares: Represents vesting of restricted share units (RSUs) acquired during 2023, conversion of whole number of vested RSUs into the same number of underlying whole shares of common stock, and disposition of remaining fractional RSUs to the issuer in exchange for cash at rate per share equal to NYSE closing price on vesting date.

F1 · price: Represents vesting of restricted share units (RSUs) acquired during 2023, conversion of whole number of vested RSUs into the same number of underlying whole shares of common stock, and disposition of remaining fractional RSUs to the issuer in exchange for cash at rate per share equal to NYSE closing price on vesting date.

F2 · derivative.exercise_date: RSUs were granted February 6, 2023, vesting one year after grant date.

F2 · derivative.expiration_date: RSUs were granted February 6, 2023, vesting one year after grant date.

F1 · derivative.underlying_shares: Represents vesting of restricted share units (RSUs) acquired during 2023, conversion of whole number of vested RSUs into the same number of underlying whole shares of common stock, and disposition of remaining fractional RSUs to the issuer in exchange for cash at rate per share equal to NYSE closing price on vesting date.

SEC source: 0001140361-24-006271 · form4.xml · nonDerivative · entry 1

KHILNANI VINOD M · CIK 0001204034 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 25,947

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 · shares: Represents vesting of restricted share units (RSUs) acquired during 2023, conversion of whole number of vested RSUs into the same number of underlying whole shares of common stock, and disposition of remaining fractional RSUs to the issuer in exchange for cash at rate per share equal to NYSE closing price on vesting date.

F1 · price: Represents vesting of restricted share units (RSUs) acquired during 2023, conversion of whole number of vested RSUs into the same number of underlying whole shares of common stock, and disposition of remaining fractional RSUs to the issuer in exchange for cash at rate per share equal to NYSE closing price on vesting date.

SEC source: 0001140361-24-003371 · form4.xml · derivative · entry 1

KHILNANI VINOD M · CIK 0001204034 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,810.7553

Underlying: Common Stock · 1.4175 shares

Expires not disclosed

F1 · derivative.exercise_price: Restricted Share Units (RSUs) issued in lieu of cash dividends on the RSUs held by the director on the record date. Eash RSU is the economic equivalent of one share of common stock. A portion of the RSU representing dividends on unvested shares becomes payable in Common Stock and/or cash when the underlying shares vest or concurrently with the distribution of the underlying shares if the director has so designated. Any remaining RSUs become payable in common stock upon or at the election of the reporting person installments beginning upon the termination of the reporting person's service as a director or such earlier time as the director may have designated.

F1 · derivative.exercise_date: Restricted Share Units (RSUs) issued in lieu of cash dividends on the RSUs held by the director on the record date. Eash RSU is the economic equivalent of one share of common stock. A portion of the RSU representing dividends on unvested shares becomes payable in Common Stock and/or cash when the underlying shares vest or concurrently with the distribution of the underlying shares if the director has so designated. Any remaining RSUs become payable in common stock upon or at the election of the reporting person installments beginning upon the termination of the reporting person's service as a director or such earlier time as the director may have designated.

F1 · derivative.expiration_date: Restricted Share Units (RSUs) issued in lieu of cash dividends on the RSUs held by the director on the record date. Eash RSU is the economic equivalent of one share of common stock. A portion of the RSU representing dividends on unvested shares becomes payable in Common Stock and/or cash when the underlying shares vest or concurrently with the distribution of the underlying shares if the director has so designated. Any remaining RSUs become payable in common stock upon or at the election of the reporting person installments beginning upon the termination of the reporting person's service as a director or such earlier time as the director may have designated.

SEC source: 0001104657-23-000165 · wk-form4_1702421108.xml · derivative · entry 3

KHILNANI VINOD M · CIK 0001204034 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,151

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 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 (earlier of May 18, 2024 and the date of the next annual meeting of MTRN's shareholders).

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

SEC source: 0001104657-23-000165 · wk-form4_1702421108.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: 18,639.221

SEC source: 0001140361-23-048729 · form4.xml · derivative · entry 1

KHILNANI VINOD M · CIK 0001204034 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,809.3378

Underlying: Common Stock · 1.3939 shares

Expires not disclosed

F1 · derivative.exercise_price: Restricted Share Units (RSUs) issued in lieu of cash dividends on the RSUs held by the director on the record date. Each RSU is the economic equivalent of one share of common stock. A portion of the RSU representing dividends on unvested shares becomes payable in Common Stock and/or cash when the underlying shares vest or concurrently with the distribution of the underlying shares if the director has so designated. Any remaining RSUs become payable in common stock upon or at the election of the reporting person in installments beginning upon the termination of the reporting person's service as a director or such earlier time as the director may have designated.

F1 · derivative.exercise_date: Restricted Share Units (RSUs) issued in lieu of cash dividends on the RSUs held by the director on the record date. Each RSU is the economic equivalent of one share of common stock. A portion of the RSU representing dividends on unvested shares becomes payable in Common Stock and/or cash when the underlying shares vest or concurrently with the distribution of the underlying shares if the director has so designated. Any remaining RSUs become payable in common stock upon or at the election of the reporting person in installments beginning upon the termination of the reporting person's service as a director or such earlier time as the director may have designated.

F1 · derivative.expiration_date: Restricted Share Units (RSUs) issued in lieu of cash dividends on the RSUs held by the director on the record date. Each RSU is the economic equivalent of one share of common stock. A portion of the RSU representing dividends on unvested shares becomes payable in Common Stock and/or cash when the underlying shares vest or concurrently with the distribution of the underlying shares if the director has so designated. Any remaining RSUs become payable in common stock upon or at the election of the reporting person in installments beginning upon the termination of the reporting person's service as a director or such earlier time as the director may have designated.

SEC source: 0001104657-23-000136 · wf-form4_169447169842654.xml · derivative · entry 3

KHILNANI VINOD M · CIK 0001204034 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,150

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 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: 0001104657-23-000136 · wf-form4_169447169842654.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: 18,618.232

SEC source: 0001140361-23-035473 · form4.xml · derivative · entry 1

KHILNANI VINOD M · CIK 0001204034 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,807.9439

Underlying: Common Stock · 1.443 shares

Expires not disclosed

F1 · derivative.exercise_price: Restricted Share Units (RSUs) issued in lieu of cash dividends on the RSUs held by the director on the record date. Each RSU is the economic equivalent of one share of common stock. A portion of the RSU representing dividends on unvested shares becomes payable in Common Stock and or cash when the underlying shares vest or concurrently with the distribution of the underlying shares if the director has so designated. Any remaining RSUs become payable in common stock upon or at the election of the reporting person in installments beginning upon the termination of the reporting person's service as a director or such earlier time as the director may have designated.

F1 · derivative.exercise_date: Restricted Share Units (RSUs) issued in lieu of cash dividends on the RSUs held by the director on the record date. Each RSU is the economic equivalent of one share of common stock. A portion of the RSU representing dividends on unvested shares becomes payable in Common Stock and or cash when the underlying shares vest or concurrently with the distribution of the underlying shares if the director has so designated. Any remaining RSUs become payable in common stock upon or at the election of the reporting person in installments beginning upon the termination of the reporting person's service as a director or such earlier time as the director may have designated.

F1 · derivative.expiration_date: Restricted Share Units (RSUs) issued in lieu of cash dividends on the RSUs held by the director on the record date. Each RSU is the economic equivalent of one share of common stock. A portion of the RSU representing dividends on unvested shares becomes payable in Common Stock and or cash when the underlying shares vest or concurrently with the distribution of the underlying shares if the director has so designated. Any remaining RSUs become payable in common stock upon or at the election of the reporting person in installments beginning upon the termination of the reporting person's service as a director or such earlier time as the director may have designated.

SEC source: 0001104657-23-000097 · wf-form4_168738783512671.xml · derivative · entry 3

KHILNANI VINOD M · CIK 0001204034 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,149

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 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: 0001104657-23-000097 · wf-form4_168738783512671.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: 18,595.107

SEC source: 0001104657-23-000089 · wf-form4_168554722686804.xml · derivative · entry 1

KHILNANI VINOD M · CIK 0001204034 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,148

Underlying: Common Stock · 1,148 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: 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.

F2 · 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: 0001104657-23-000074 · wf-form4_168367587769842.xml · derivative · entry 3

KHILNANI VINOD M · CIK 0001204034 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 1,398 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 purusant to the vesting of a restricted stock unit award made on May 5, 2022 that vested on May 5, 2023.

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

SEC source: 0001104657-23-000074 · wf-form4_168367587769842.xml · nonDerivative · entry 1

KHILNANI VINOD M · CIK 0001204034 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 16,513

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: 0001140361-23-019099 · form4.xml · derivative · entry 1

KHILNANI VINOD M · CIK 0001204034 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,806.5009

Underlying: Common Stock · 1.5009 shares

Expires not disclosed

F1 · derivative.exercise_price: Restricted Share Units (RSUs) issued in lieu of cash dividends on the RSUs held by the director on the record date. Each RSU is the economic equivalent of one share of common stock. A portion of the RSU representing dividends on unvested shares becomes payable in Common Stock and/or cash when the underlying shares vest or concurrently with the distribution of the underlying shares if the director has so designated. Any remaining RSUs become payable in common stock upon or at the election of the reporting person in installments beginning upon the termination of the reporting person's service as a director or such earlier time as the director may have designated.

F1 · derivative.exercise_date: Restricted Share Units (RSUs) issued in lieu of cash dividends on the RSUs held by the director on the record date. Each RSU is the economic equivalent of one share of common stock. A portion of the RSU representing dividends on unvested shares becomes payable in Common Stock and/or cash when the underlying shares vest or concurrently with the distribution of the underlying shares if the director has so designated. Any remaining RSUs become payable in common stock upon or at the election of the reporting person in installments beginning upon the termination of the reporting person's service as a director or such earlier time as the director may have designated.

F1 · derivative.expiration_date: Restricted Share Units (RSUs) issued in lieu of cash dividends on the RSUs held by the director on the record date. Each RSU is the economic equivalent of one share of common stock. A portion of the RSU representing dividends on unvested shares becomes payable in Common Stock and/or cash when the underlying shares vest or concurrently with the distribution of the underlying shares if the director has so designated. Any remaining RSUs become payable in common stock upon or at the election of the reporting person in installments beginning upon the termination of the reporting person's service as a director or such earlier time as the director may have designated.

SEC source: 0001104657-23-000033 · wf-form4_167883624984661.xml · derivative · entry 3

KHILNANI VINOD M · CIK 0001204034 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,398

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: 0001104657-23-000033 · wf-form4_167883624984661.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: 18,573.21

SEC source: 0001567619-23-002050 · doc1.xml · derivative · entry 1

KHILNANI VINOD M · CIK 0001204034 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,805

Underlying: Common Stock · 1,805 shares

Expires not disclosed

F1 · derivative.exercise_price: Each Restricted Share Unit (RSU) is the economic equivalent of one share of common stock. The RSUs vest one year after the grant date and become issuable as common stock upon vesting or at such later time as the reporting person may have designated in advance.

F1 · derivative.exercise_date: Each Restricted Share Unit (RSU) is the economic equivalent of one share of common stock. The RSUs vest one year after the grant date and become issuable as common stock upon vesting or at such later time as the reporting person may have designated in advance.

F1 · derivative.expiration_date: Each Restricted Share Unit (RSU) is the economic equivalent of one share of common stock. The RSUs vest one year after the grant date and become issuable as common stock upon vesting or at such later time as the reporting person may have designated in advance.

SEC source: 0001567619-23-000416 · doc1.xml · derivative · entry 3

KHILNANI VINOD M · CIK 0001204034 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 0.6988 shares

Expires not disclosed

F1 · shares: Represents vesting of restricted share units (RSUs) acquired during 2022, conversion of whole number of vested RSUs into the same number of underlying whole shares of common stock, and disposition of remaining fractional RSUs to the issuer in exchange for cash at rate per share equal to NYSE closing price on vesting date.

F1 · price: Represents vesting of restricted share units (RSUs) acquired during 2022, conversion of whole number of vested RSUs into the same number of underlying whole shares of common stock, and disposition of remaining fractional RSUs to the issuer in exchange for cash at rate per share equal to NYSE closing price on vesting date.

F2 · derivative.exercise_date: RSUs were granted January 3, 2022, vesting one year after grant date.

F2 · derivative.expiration_date: RSUs were granted January 3, 2022, vesting one year after grant date.

F1 · derivative.underlying_shares: Represents vesting of restricted share units (RSUs) acquired during 2022, conversion of whole number of vested RSUs into the same number of underlying whole shares of common stock, and disposition of remaining fractional RSUs to the issuer in exchange for cash at rate per share equal to NYSE closing price on vesting date.

SEC source: 0001567619-23-000416 · doc1.xml · derivative · entry 2

KHILNANI VINOD M · CIK 0001204034 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0.6988

Underlying: Common Stock · 2,038 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 · shares: Represents vesting of restricted share units (RSUs) acquired during 2022, conversion of whole number of vested RSUs into the same number of underlying whole shares of common stock, and disposition of remaining fractional RSUs to the issuer in exchange for cash at rate per share equal to NYSE closing price on vesting date.

F1 · price: Represents vesting of restricted share units (RSUs) acquired during 2022, conversion of whole number of vested RSUs into the same number of underlying whole shares of common stock, and disposition of remaining fractional RSUs to the issuer in exchange for cash at rate per share equal to NYSE closing price on vesting date.

F2 · derivative.exercise_date: RSUs were granted January 3, 2022, vesting one year after grant date.

F2 · derivative.expiration_date: RSUs were granted January 3, 2022, vesting one year after grant date.

F1 · derivative.underlying_shares: Represents vesting of restricted share units (RSUs) acquired during 2022, conversion of whole number of vested RSUs into the same number of underlying whole shares of common stock, and disposition of remaining fractional RSUs to the issuer in exchange for cash at rate per share equal to NYSE closing price on vesting date.

SEC source: 0001567619-23-000416 · doc1.xml · nonDerivative · entry 1

KHILNANI VINOD M · CIK 0001204034 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 24,137

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 · shares: Represents vesting of restricted share units (RSUs) acquired during 2022, conversion of whole number of vested RSUs into the same number of underlying whole shares of common stock, and disposition of remaining fractional RSUs to the issuer in exchange for cash at rate per share equal to NYSE closing price on vesting date.

F1 · price: Represents vesting of restricted share units (RSUs) acquired during 2022, conversion of whole number of vested RSUs into the same number of underlying whole shares of common stock, and disposition of remaining fractional RSUs to the issuer in exchange for cash at rate per share equal to NYSE closing price on vesting date.

SEC source: 0001104657-22-000161 · wf-form4_167088175026156.xml · derivative · entry 3

KHILNANI VINOD M · CIK 0001204034 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,396

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. (May 5, 2023)

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

SEC source: 0001104657-22-000161 · wf-form4_167088175026156.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: 18,552.078

SEC source: 0001567619-22-018599 · doc1.xml · derivative · entry 1

KHILNANI VINOD M · CIK 0001204034 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 2,038.6988

Underlying: Common Stock · 2.0726 shares

Expires not disclosed

F1 · derivative.exercise_price: Restricted Share Units (RSUs) issued in lieu of cash dividends on the Common Stock Equivalents held by the director on the record date. Each RSU is the economic equivalent of one share of common stock. The RSUs represent unvested shares and become payable in common stock and/or cash when the underlying shares vest.

F1 · derivative.exercise_date: Restricted Share Units (RSUs) issued in lieu of cash dividends on the Common Stock Equivalents held by the director on the record date. Each RSU is the economic equivalent of one share of common stock. The RSUs represent unvested shares and become payable in common stock and/or cash when the underlying shares vest.

F1 · derivative.expiration_date: Restricted Share Units (RSUs) issued in lieu of cash dividends on the Common Stock Equivalents held by the director on the record date. Each RSU is the economic equivalent of one share of common stock. The RSUs represent unvested shares and become payable in common stock and/or cash when the underlying shares vest.

SEC source: 0001104657-22-000140 · wf-form4_166301764263213.xml · derivative · entry 3

KHILNANI VINOD M · CIK 0001204034 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,394

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: 0001104657-22-000140 · wf-form4_166301764263213.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: 18,524.807

SEC source: 0001567619-22-014217 · doc1.xml · derivative · entry 1

KHILNANI VINOD M · CIK 0001204034 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 2,036.6262

Underlying: Common Stock · 2.3026 shares

Expires not disclosed

F1 · derivative.exercise_price: Restricted Share Units (RSUs) issued in lieu of cash dividends on the Common Stock Equivalents held by the director on the record date. Each RSU is the economic equivalent of one share of common stock. The RSUs represent unvested shares and become payable in common stock and/or cash when the underlying shares vest.

F1 · derivative.exercise_date: Restricted Share Units (RSUs) issued in lieu of cash dividends on the Common Stock Equivalents held by the director on the record date. Each RSU is the economic equivalent of one share of common stock. The RSUs represent unvested shares and become payable in common stock and/or cash when the underlying shares vest.

F1 · derivative.expiration_date: Restricted Share Units (RSUs) issued in lieu of cash dividends on the Common Stock Equivalents held by the director on the record date. Each RSU is the economic equivalent of one share of common stock. The RSUs represent unvested shares and become payable in common stock and/or cash when the underlying shares vest.

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: 0000034782-22-000079 · wf-form4_165454499787653.xml · nonDerivative · entry 1

KHILNANI VINOD M · CIK 0001204034 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 12,416

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: 0001104657-22-000082 · 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: 0001567619-22-008795 · doc1.xml · derivative · entry 1

KHILNANI VINOD M · CIK 0001204034 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 2,034.3236

Underlying: Common Stock · 2.4655 shares

Expires not disclosed

F1 · derivative.exercise_price: Restricted Share Units (RSUs) issued in lieu of cash dividends on the Common Stock Equivalents held by the director on the record date. Each RSU is the economic equivalent of one share of common stock. The RSUs represent unvested shares and become payable in common stock and/or cash when the underlying shares vest.

F1 · derivative.exercise_date: Restricted Share Units (RSUs) issued in lieu of cash dividends on the Common Stock Equivalents held by the director on the record date. Each RSU is the economic equivalent of one share of common stock. The RSUs represent unvested shares and become payable in common stock and/or cash when the underlying shares vest.

F1 · derivative.expiration_date: Restricted Share Units (RSUs) issued in lieu of cash dividends on the Common Stock Equivalents held by the director on the record date. Each RSU is the economic equivalent of one share of common stock. The RSUs represent unvested shares and become payable in common stock and/or cash when the underlying shares vest.

SEC source: 0001104657-22-000040 · wf-form4_164737343038588.xml · derivative · entry 2

KHILNANI VINOD M · CIK 0001204034 · 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: 0001104657-22-000040 · wf-form4_164737343038588.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: 18,465.107

SEC source: 0001567619-22-001410 · doc1.xml · derivative · entry 1

KHILNANI VINOD M · CIK 0001204034 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 2,031.8581

Underlying: Common Stock · 1.8581 shares

Expires not disclosed

F1 · derivative.exercise_price: Restricted Share Units (RSUs) issued in lieu of cash dividends on the Common Stock Equivalents held by the director on the record date. Each RSU is the economic equivalent of one share of common stock. The RSUs represent unvested shares and become payable in common stock and/or cash when the underlying shares vest.

F1 · derivative.exercise_date: Restricted Share Units (RSUs) issued in lieu of cash dividends on the Common Stock Equivalents held by the director on the record date. Each RSU is the economic equivalent of one share of common stock. The RSUs represent unvested shares and become payable in common stock and/or cash when the underlying shares vest.

F1 · derivative.expiration_date: Restricted Share Units (RSUs) issued in lieu of cash dividends on the Common Stock Equivalents held by the director on the record date. Each RSU is the economic equivalent of one share of common stock. The RSUs represent unvested shares and become payable in common stock and/or cash when the underlying shares vest.