MORRISON MICHAEL L

SEC source: 0001193125-26-377733 · ownership.xml · derivative · entry 7

MORRISON MICHAEL L · CIK 0001228756 · See Remarks

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 4,978 shares

Expires not disclosed

F3 · derivative.exercise_price: Pursuant to the Merger Agreement, at the Effective Time, Parent assumed each outstanding performance stock unit award of the Company (each, an "Assumed PSU") representing the right to receive shares of Common Stock, generally subject to the same terms and conditions as the Assumed PSU immediately prior to the Effective Time, except (i) each Assumed PSU was converted into an award covering a number of Parent Ordinary Shares equal to the product of (A) the number of shares of Common Stock subject to the Assumed PSU immediately prior to the Effective Time, multiplied by (B) 0.5537, rounded down to the nearest whole share, and (ii) the performance goals were deemed satisfied at the greater of target and actual level of achievement as of the date of the Merger Agreement, as determined by the Company's board of directors.

F3 · price: Pursuant to the Merger Agreement, at the Effective Time, Parent assumed each outstanding performance stock unit award of the Company (each, an "Assumed PSU") representing the right to receive shares of Common Stock, generally subject to the same terms and conditions as the Assumed PSU immediately prior to the Effective Time, except (i) each Assumed PSU was converted into an award covering a number of Parent Ordinary Shares equal to the product of (A) the number of shares of Common Stock subject to the Assumed PSU immediately prior to the Effective Time, multiplied by (B) 0.5537, rounded down to the nearest whole share, and (ii) the performance goals were deemed satisfied at the greater of target and actual level of achievement as of the date of the Merger Agreement, as determined by the Company's board of directors.

F3 · derivative.exercise_date: Pursuant to the Merger Agreement, at the Effective Time, Parent assumed each outstanding performance stock unit award of the Company (each, an "Assumed PSU") representing the right to receive shares of Common Stock, generally subject to the same terms and conditions as the Assumed PSU immediately prior to the Effective Time, except (i) each Assumed PSU was converted into an award covering a number of Parent Ordinary Shares equal to the product of (A) the number of shares of Common Stock subject to the Assumed PSU immediately prior to the Effective Time, multiplied by (B) 0.5537, rounded down to the nearest whole share, and (ii) the performance goals were deemed satisfied at the greater of target and actual level of achievement as of the date of the Merger Agreement, as determined by the Company's board of directors.

F9 · derivative.exercise_date: Represents certain Assumed PSUs which were scheduled to vest in the first quarter of 2029.

F3 · derivative.expiration_date: Pursuant to the Merger Agreement, at the Effective Time, Parent assumed each outstanding performance stock unit award of the Company (each, an "Assumed PSU") representing the right to receive shares of Common Stock, generally subject to the same terms and conditions as the Assumed PSU immediately prior to the Effective Time, except (i) each Assumed PSU was converted into an award covering a number of Parent Ordinary Shares equal to the product of (A) the number of shares of Common Stock subject to the Assumed PSU immediately prior to the Effective Time, multiplied by (B) 0.5537, rounded down to the nearest whole share, and (ii) the performance goals were deemed satisfied at the greater of target and actual level of achievement as of the date of the Merger Agreement, as determined by the Company's board of directors.

F9 · derivative.expiration_date: Represents certain Assumed PSUs which were scheduled to vest in the first quarter of 2029.

SEC source: 0001193125-26-377733 · ownership.xml · derivative · entry 6

MORRISON MICHAEL L · CIK 0001228756 · See Remarks

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 6,435 shares

Expires not disclosed

F3 · derivative.exercise_price: Pursuant to the Merger Agreement, at the Effective Time, Parent assumed each outstanding performance stock unit award of the Company (each, an "Assumed PSU") representing the right to receive shares of Common Stock, generally subject to the same terms and conditions as the Assumed PSU immediately prior to the Effective Time, except (i) each Assumed PSU was converted into an award covering a number of Parent Ordinary Shares equal to the product of (A) the number of shares of Common Stock subject to the Assumed PSU immediately prior to the Effective Time, multiplied by (B) 0.5537, rounded down to the nearest whole share, and (ii) the performance goals were deemed satisfied at the greater of target and actual level of achievement as of the date of the Merger Agreement, as determined by the Company's board of directors.

F3 · price: Pursuant to the Merger Agreement, at the Effective Time, Parent assumed each outstanding performance stock unit award of the Company (each, an "Assumed PSU") representing the right to receive shares of Common Stock, generally subject to the same terms and conditions as the Assumed PSU immediately prior to the Effective Time, except (i) each Assumed PSU was converted into an award covering a number of Parent Ordinary Shares equal to the product of (A) the number of shares of Common Stock subject to the Assumed PSU immediately prior to the Effective Time, multiplied by (B) 0.5537, rounded down to the nearest whole share, and (ii) the performance goals were deemed satisfied at the greater of target and actual level of achievement as of the date of the Merger Agreement, as determined by the Company's board of directors.

F3 · derivative.exercise_date: Pursuant to the Merger Agreement, at the Effective Time, Parent assumed each outstanding performance stock unit award of the Company (each, an "Assumed PSU") representing the right to receive shares of Common Stock, generally subject to the same terms and conditions as the Assumed PSU immediately prior to the Effective Time, except (i) each Assumed PSU was converted into an award covering a number of Parent Ordinary Shares equal to the product of (A) the number of shares of Common Stock subject to the Assumed PSU immediately prior to the Effective Time, multiplied by (B) 0.5537, rounded down to the nearest whole share, and (ii) the performance goals were deemed satisfied at the greater of target and actual level of achievement as of the date of the Merger Agreement, as determined by the Company's board of directors.

F8 · derivative.exercise_date: Represents certain Assumed PSUs which were scheduled to vest in the first quarter of 2028.

F3 · derivative.expiration_date: Pursuant to the Merger Agreement, at the Effective Time, Parent assumed each outstanding performance stock unit award of the Company (each, an "Assumed PSU") representing the right to receive shares of Common Stock, generally subject to the same terms and conditions as the Assumed PSU immediately prior to the Effective Time, except (i) each Assumed PSU was converted into an award covering a number of Parent Ordinary Shares equal to the product of (A) the number of shares of Common Stock subject to the Assumed PSU immediately prior to the Effective Time, multiplied by (B) 0.5537, rounded down to the nearest whole share, and (ii) the performance goals were deemed satisfied at the greater of target and actual level of achievement as of the date of the Merger Agreement, as determined by the Company's board of directors.

F8 · derivative.expiration_date: Represents certain Assumed PSUs which were scheduled to vest in the first quarter of 2028.

SEC source: 0001193125-26-377733 · ownership.xml · derivative · entry 5

MORRISON MICHAEL L · CIK 0001228756 · See Remarks

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 11,696 shares

Expires not disclosed

F3 · derivative.exercise_price: Pursuant to the Merger Agreement, at the Effective Time, Parent assumed each outstanding performance stock unit award of the Company (each, an "Assumed PSU") representing the right to receive shares of Common Stock, generally subject to the same terms and conditions as the Assumed PSU immediately prior to the Effective Time, except (i) each Assumed PSU was converted into an award covering a number of Parent Ordinary Shares equal to the product of (A) the number of shares of Common Stock subject to the Assumed PSU immediately prior to the Effective Time, multiplied by (B) 0.5537, rounded down to the nearest whole share, and (ii) the performance goals were deemed satisfied at the greater of target and actual level of achievement as of the date of the Merger Agreement, as determined by the Company's board of directors.

F3 · price: Pursuant to the Merger Agreement, at the Effective Time, Parent assumed each outstanding performance stock unit award of the Company (each, an "Assumed PSU") representing the right to receive shares of Common Stock, generally subject to the same terms and conditions as the Assumed PSU immediately prior to the Effective Time, except (i) each Assumed PSU was converted into an award covering a number of Parent Ordinary Shares equal to the product of (A) the number of shares of Common Stock subject to the Assumed PSU immediately prior to the Effective Time, multiplied by (B) 0.5537, rounded down to the nearest whole share, and (ii) the performance goals were deemed satisfied at the greater of target and actual level of achievement as of the date of the Merger Agreement, as determined by the Company's board of directors.

F3 · derivative.exercise_date: Pursuant to the Merger Agreement, at the Effective Time, Parent assumed each outstanding performance stock unit award of the Company (each, an "Assumed PSU") representing the right to receive shares of Common Stock, generally subject to the same terms and conditions as the Assumed PSU immediately prior to the Effective Time, except (i) each Assumed PSU was converted into an award covering a number of Parent Ordinary Shares equal to the product of (A) the number of shares of Common Stock subject to the Assumed PSU immediately prior to the Effective Time, multiplied by (B) 0.5537, rounded down to the nearest whole share, and (ii) the performance goals were deemed satisfied at the greater of target and actual level of achievement as of the date of the Merger Agreement, as determined by the Company's board of directors.

F7 · derivative.exercise_date: Represents certain Assumed PSUs which were scheduled to vest in the first quarter of 2027.

F3 · derivative.expiration_date: Pursuant to the Merger Agreement, at the Effective Time, Parent assumed each outstanding performance stock unit award of the Company (each, an "Assumed PSU") representing the right to receive shares of Common Stock, generally subject to the same terms and conditions as the Assumed PSU immediately prior to the Effective Time, except (i) each Assumed PSU was converted into an award covering a number of Parent Ordinary Shares equal to the product of (A) the number of shares of Common Stock subject to the Assumed PSU immediately prior to the Effective Time, multiplied by (B) 0.5537, rounded down to the nearest whole share, and (ii) the performance goals were deemed satisfied at the greater of target and actual level of achievement as of the date of the Merger Agreement, as determined by the Company's board of directors.

F7 · derivative.expiration_date: Represents certain Assumed PSUs which were scheduled to vest in the first quarter of 2027.

SEC source: 0001193125-26-377733 · ownership.xml · derivative · entry 4

MORRISON MICHAEL L · CIK 0001228756 · See Remarks

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 2,463 shares

Expires not disclosed

F2 · derivative.exercise_price: Pursuant to the Merger Agreement, at the Effective Time, Parent assumed each outstanding equivalent stock unit award of the Company (each, an "Assumed ESU") representing the right to receive a cash payment based on the fair market value of the shares of Common Stock, generally subject to the same terms and conditions as the Assumed ESU immediately prior to the Effective Time, except (i) the maximum value cap of each Assumed ESU in effect immediately prior to the Effective Time ceased to apply and (ii) each Assumed ESU was converted into an award covering a number of Parent Ordinary Shares equal to the product of (A) the number of shares of Common Stock subject to the Assumed ESU immediately prior to the Effective Time, multiplied by (B) 0.5537, rounded down to the nearest whole share.

F2 · price: Pursuant to the Merger Agreement, at the Effective Time, Parent assumed each outstanding equivalent stock unit award of the Company (each, an "Assumed ESU") representing the right to receive a cash payment based on the fair market value of the shares of Common Stock, generally subject to the same terms and conditions as the Assumed ESU immediately prior to the Effective Time, except (i) the maximum value cap of each Assumed ESU in effect immediately prior to the Effective Time ceased to apply and (ii) each Assumed ESU was converted into an award covering a number of Parent Ordinary Shares equal to the product of (A) the number of shares of Common Stock subject to the Assumed ESU immediately prior to the Effective Time, multiplied by (B) 0.5537, rounded down to the nearest whole share.

F2 · derivative.exercise_date: Pursuant to the Merger Agreement, at the Effective Time, Parent assumed each outstanding equivalent stock unit award of the Company (each, an "Assumed ESU") representing the right to receive a cash payment based on the fair market value of the shares of Common Stock, generally subject to the same terms and conditions as the Assumed ESU immediately prior to the Effective Time, except (i) the maximum value cap of each Assumed ESU in effect immediately prior to the Effective Time ceased to apply and (ii) each Assumed ESU was converted into an award covering a number of Parent Ordinary Shares equal to the product of (A) the number of shares of Common Stock subject to the Assumed ESU immediately prior to the Effective Time, multiplied by (B) 0.5537, rounded down to the nearest whole share.

F6 · derivative.exercise_date: Represents certain Assumed ESUs which were scheduled to vest in three equal annual installments beginning on February 28, 2027.

F2 · derivative.expiration_date: Pursuant to the Merger Agreement, at the Effective Time, Parent assumed each outstanding equivalent stock unit award of the Company (each, an "Assumed ESU") representing the right to receive a cash payment based on the fair market value of the shares of Common Stock, generally subject to the same terms and conditions as the Assumed ESU immediately prior to the Effective Time, except (i) the maximum value cap of each Assumed ESU in effect immediately prior to the Effective Time ceased to apply and (ii) each Assumed ESU was converted into an award covering a number of Parent Ordinary Shares equal to the product of (A) the number of shares of Common Stock subject to the Assumed ESU immediately prior to the Effective Time, multiplied by (B) 0.5537, rounded down to the nearest whole share.

F6 · derivative.expiration_date: Represents certain Assumed ESUs which were scheduled to vest in three equal annual installments beginning on February 28, 2027.

SEC source: 0001193125-26-377733 · ownership.xml · derivative · entry 3

MORRISON MICHAEL L · CIK 0001228756 · See Remarks

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 2,145 shares

Expires not disclosed

F2 · derivative.exercise_price: Pursuant to the Merger Agreement, at the Effective Time, Parent assumed each outstanding equivalent stock unit award of the Company (each, an "Assumed ESU") representing the right to receive a cash payment based on the fair market value of the shares of Common Stock, generally subject to the same terms and conditions as the Assumed ESU immediately prior to the Effective Time, except (i) the maximum value cap of each Assumed ESU in effect immediately prior to the Effective Time ceased to apply and (ii) each Assumed ESU was converted into an award covering a number of Parent Ordinary Shares equal to the product of (A) the number of shares of Common Stock subject to the Assumed ESU immediately prior to the Effective Time, multiplied by (B) 0.5537, rounded down to the nearest whole share.

F2 · price: Pursuant to the Merger Agreement, at the Effective Time, Parent assumed each outstanding equivalent stock unit award of the Company (each, an "Assumed ESU") representing the right to receive a cash payment based on the fair market value of the shares of Common Stock, generally subject to the same terms and conditions as the Assumed ESU immediately prior to the Effective Time, except (i) the maximum value cap of each Assumed ESU in effect immediately prior to the Effective Time ceased to apply and (ii) each Assumed ESU was converted into an award covering a number of Parent Ordinary Shares equal to the product of (A) the number of shares of Common Stock subject to the Assumed ESU immediately prior to the Effective Time, multiplied by (B) 0.5537, rounded down to the nearest whole share.

F2 · derivative.exercise_date: Pursuant to the Merger Agreement, at the Effective Time, Parent assumed each outstanding equivalent stock unit award of the Company (each, an "Assumed ESU") representing the right to receive a cash payment based on the fair market value of the shares of Common Stock, generally subject to the same terms and conditions as the Assumed ESU immediately prior to the Effective Time, except (i) the maximum value cap of each Assumed ESU in effect immediately prior to the Effective Time ceased to apply and (ii) each Assumed ESU was converted into an award covering a number of Parent Ordinary Shares equal to the product of (A) the number of shares of Common Stock subject to the Assumed ESU immediately prior to the Effective Time, multiplied by (B) 0.5537, rounded down to the nearest whole share.

F5 · derivative.exercise_date: Represents certain Assumed ESUs which were scheduled to vest in two equal annual installments beginning on February 28, 2027.

F2 · derivative.expiration_date: Pursuant to the Merger Agreement, at the Effective Time, Parent assumed each outstanding equivalent stock unit award of the Company (each, an "Assumed ESU") representing the right to receive a cash payment based on the fair market value of the shares of Common Stock, generally subject to the same terms and conditions as the Assumed ESU immediately prior to the Effective Time, except (i) the maximum value cap of each Assumed ESU in effect immediately prior to the Effective Time ceased to apply and (ii) each Assumed ESU was converted into an award covering a number of Parent Ordinary Shares equal to the product of (A) the number of shares of Common Stock subject to the Assumed ESU immediately prior to the Effective Time, multiplied by (B) 0.5537, rounded down to the nearest whole share.

F5 · derivative.expiration_date: Represents certain Assumed ESUs which were scheduled to vest in two equal annual installments beginning on February 28, 2027.

SEC source: 0001193125-26-377733 · ownership.xml · derivative · entry 2

MORRISON MICHAEL L · CIK 0001228756 · See Remarks

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 3,898 shares

Expires not disclosed

F2 · derivative.exercise_price: Pursuant to the Merger Agreement, at the Effective Time, Parent assumed each outstanding equivalent stock unit award of the Company (each, an "Assumed ESU") representing the right to receive a cash payment based on the fair market value of the shares of Common Stock, generally subject to the same terms and conditions as the Assumed ESU immediately prior to the Effective Time, except (i) the maximum value cap of each Assumed ESU in effect immediately prior to the Effective Time ceased to apply and (ii) each Assumed ESU was converted into an award covering a number of Parent Ordinary Shares equal to the product of (A) the number of shares of Common Stock subject to the Assumed ESU immediately prior to the Effective Time, multiplied by (B) 0.5537, rounded down to the nearest whole share.

F2 · price: Pursuant to the Merger Agreement, at the Effective Time, Parent assumed each outstanding equivalent stock unit award of the Company (each, an "Assumed ESU") representing the right to receive a cash payment based on the fair market value of the shares of Common Stock, generally subject to the same terms and conditions as the Assumed ESU immediately prior to the Effective Time, except (i) the maximum value cap of each Assumed ESU in effect immediately prior to the Effective Time ceased to apply and (ii) each Assumed ESU was converted into an award covering a number of Parent Ordinary Shares equal to the product of (A) the number of shares of Common Stock subject to the Assumed ESU immediately prior to the Effective Time, multiplied by (B) 0.5537, rounded down to the nearest whole share.

F2 · derivative.exercise_date: Pursuant to the Merger Agreement, at the Effective Time, Parent assumed each outstanding equivalent stock unit award of the Company (each, an "Assumed ESU") representing the right to receive a cash payment based on the fair market value of the shares of Common Stock, generally subject to the same terms and conditions as the Assumed ESU immediately prior to the Effective Time, except (i) the maximum value cap of each Assumed ESU in effect immediately prior to the Effective Time ceased to apply and (ii) each Assumed ESU was converted into an award covering a number of Parent Ordinary Shares equal to the product of (A) the number of shares of Common Stock subject to the Assumed ESU immediately prior to the Effective Time, multiplied by (B) 0.5537, rounded down to the nearest whole share.

F4 · derivative.exercise_date: Represents certain Assumed ESUs which were scheduled to vest on February 28, 2027.

F2 · derivative.expiration_date: Pursuant to the Merger Agreement, at the Effective Time, Parent assumed each outstanding equivalent stock unit award of the Company (each, an "Assumed ESU") representing the right to receive a cash payment based on the fair market value of the shares of Common Stock, generally subject to the same terms and conditions as the Assumed ESU immediately prior to the Effective Time, except (i) the maximum value cap of each Assumed ESU in effect immediately prior to the Effective Time ceased to apply and (ii) each Assumed ESU was converted into an award covering a number of Parent Ordinary Shares equal to the product of (A) the number of shares of Common Stock subject to the Assumed ESU immediately prior to the Effective Time, multiplied by (B) 0.5537, rounded down to the nearest whole share.

F4 · derivative.expiration_date: Represents certain Assumed ESUs which were scheduled to vest on February 28, 2027.

SEC source: 0001193125-26-377733 · ownership.xml · nonDerivative · entry 1

MORRISON MICHAEL L · CIK 0001228756 · See Remarks

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

F1 · price: Pursuant to that certain Agreement and Plan of Merger ("Merger Agreement"), dated May 31, 2026, by and among Weatherford International plc ("Parent"), Trinity Bell Sub, Inc. and NCS Multistage Holdings, Inc. (the "Company"), immediately prior to the effective time of the transactions contemplated thereby (the "Effective Time"), each share of the Company's common stock, par value $0.01 per share ("Common Stock"), was canceled and converted into the right to receive, at the Reporting Person's election: (i) 0.5537 ordinary shares, par value $0.001 per share, of Parent ("Parent Ordinary Shares"); or (ii) a combination of (A) cash in an amount equal to the product of (x) 0.1371 and (y) the closing price for the Parent Ordinary Shares on the Nasdaq Global Select Market on August 31, 2026, subject to a maximum cash election amount; and (B) 0.2392 Parent Ordinary Shares.

SEC source: 0001437749-26-006681 · rdgdoc.xml · derivative · entry 9

MORRISON MICHAEL L · CIK 0001228756 · CFO & Treasurer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 4,978

Underlying: Common Stock · 4,978 shares

Expires 2028-12-31

F8 · derivative.exercise_price: These performance stock units represent a contingent right to receive common stock, based on the Issuer's relative total shareholder return versus that of its peer group, subject to an absolute total shareholder return modifier. Each performance stock unit will settle for between zero and 1.25 shares of common stock in the first quarter of 2029, based on achievement of the performance measures over a three-year period, following certification by the Compensation, Nominating and Governance Committee of the performance results.

F8 · derivative.exercise_date: These performance stock units represent a contingent right to receive common stock, based on the Issuer's relative total shareholder return versus that of its peer group, subject to an absolute total shareholder return modifier. Each performance stock unit will settle for between zero and 1.25 shares of common stock in the first quarter of 2029, based on achievement of the performance measures over a three-year period, following certification by the Compensation, Nominating and Governance Committee of the performance results.

SEC source: 0001437749-26-006681 · rdgdoc.xml · derivative · entry 8

MORRISON MICHAEL L · CIK 0001228756 · CFO & Treasurer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 8,506

Underlying: Common Stock · 2,463 shares

Expires not disclosed

F5 · derivative.exercise_price: These equivalent stock units settle in cash and represent the economic equivalent of one share of common stock, provided that the amount of cash settled for any equivalent stock unit will not exceed the maximum payout established by the Compensation, Nominating and Governance Committee.

F7 · derivative.exercise_date: The number of derivative securities reported in column 9 represents 3,898 equivalent stock units which vest on February 28, 2027, 2,145 equivalent stock units which vest in two equal annual installments beginning on February 28, 2027 and 2,463 equivalent stock units which vest in three equal annual installments beginning on February 28, 2027.

F7 · derivative.expiration_date: The number of derivative securities reported in column 9 represents 3,898 equivalent stock units which vest on February 28, 2027, 2,145 equivalent stock units which vest in two equal annual installments beginning on February 28, 2027 and 2,463 equivalent stock units which vest in three equal annual installments beginning on February 28, 2027.

SEC source: 0001437749-26-006681 · rdgdoc.xml · nonDerivative · entry 6

MORRISON MICHAEL L · CIK 0001228756 · CFO & Treasurer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 15,657

F4 · balance_after: Includes 2,145 restricted stock units which vest in two equal annual installments beginning on February 28, 2027 and 2,463 restricted stock units which vest in three equal annual installments beginning on February 28, 2027.

SEC source: 0001437749-26-006681 · rdgdoc.xml · nonDerivative · entry 5

MORRISON MICHAEL L · CIK 0001228756 · CFO & Treasurer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 13,194

F3 · shares: These shares were surrendered to satisfy the tax obligations related to the vesting of performance stock units.

SEC source: 0001437749-26-006681 · rdgdoc.xml · nonDerivative · entry 4

MORRISON MICHAEL L · CIK 0001228756 · CFO & Treasurer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 15,213

SEC source: 0001437749-26-006681 · rdgdoc.xml · derivative · entry 7

MORRISON MICHAEL L · CIK 0001228756 · CFO & Treasurer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 6,043

Underlying: Common Stock · 4,972 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.

F5 · derivative.exercise_price: These equivalent stock units settle in cash and represent the economic equivalent of one share of common stock, provided that the amount of cash settled for any equivalent stock unit will not exceed the maximum payout established by the Compensation, Nominating and Governance Committee.

F1 · kind: Equivalent stock units vested on February 28, 2026 and settled for cash.

F6 · derivative.exercise_date: The number of derivative securities reported in column 9 represents 3,898 equivalent stock units which vest on February 28, 2027 and 2,145 equivalent stock units which vest in two equal annual installments beginning on February 28, 2027.

F6 · derivative.expiration_date: The number of derivative securities reported in column 9 represents 3,898 equivalent stock units which vest on February 28, 2027 and 2,145 equivalent stock units which vest in two equal annual installments beginning on February 28, 2027.

SEC source: 0001437749-26-006681 · rdgdoc.xml · nonDerivative · entry 3

MORRISON MICHAEL L · CIK 0001228756 · CFO & Treasurer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 7,217

F2 · shares: These shares were surrendered to satisfy the tax obligations related to the vesting of restricted stock units.

SEC source: 0001437749-26-006681 · rdgdoc.xml · nonDerivative · entry 2

MORRISON MICHAEL L · CIK 0001228756 · CFO & Treasurer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 7,479

F1 · kind: Equivalent stock units vested on February 28, 2026 and settled for cash.

SEC source: 0001437749-26-006681 · rdgdoc.xml · nonDerivative · entry 1

MORRISON MICHAEL L · CIK 0001228756 · CFO & Treasurer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 12,451

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 · kind: Equivalent stock units vested on February 28, 2026 and settled for cash.

SEC source: 0001437749-25-032820 · rdgdoc.xml · derivative · entry 4

MORRISON MICHAEL L · CIK 0001228756 · CFO & Treasurer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 11,015

Underlying: Common Stock · 1,877 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.

F4 · derivative.exercise_price: These equivalent stock units settle in cash and represent the economic equivalent of one share of common stock, provided that the amount of cash settled for any equivalent stock unit will not exceed the maximum payout established by the Compensation, Nominating and Governance Committee.

F1 · kind: Equivalent stock units vested on November 1, 2025 and settled for cash.

F5 · derivative.exercise_date: Includes 7,797 equivalent stock units which vest in two equal annual installments beginning on February 28, 2026 and 3,218 equivalent stock units which vest in three equal annual installments beginning on February 28, 2026.

F5 · derivative.expiration_date: Includes 7,797 equivalent stock units which vest in two equal annual installments beginning on February 28, 2026 and 3,218 equivalent stock units which vest in three equal annual installments beginning on February 28, 2026.

SEC source: 0001437749-25-032820 · rdgdoc.xml · nonDerivative · entry 3

MORRISON MICHAEL L · CIK 0001228756 · CFO & Treasurer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 7,479

F2 · shares: These shares were surrendered to satisfy the tax obligations related to the vesting of restricted stock units.

F3 · balance_after: Includes 3,218 restricted stock units which vest in three equal annual installments beginning on February 28, 2026.

SEC source: 0001437749-25-032820 · rdgdoc.xml · nonDerivative · entry 2

MORRISON MICHAEL L · CIK 0001228756 · CFO & Treasurer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 7,937

F1 · kind: Equivalent stock units vested on November 1, 2025 and settled for cash.

SEC source: 0001437749-25-032820 · rdgdoc.xml · nonDerivative · entry 1

MORRISON MICHAEL L · CIK 0001228756 · CFO & Treasurer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 9,814

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 · kind: Equivalent stock units vested on November 1, 2025 and settled for cash.

SEC source: 0001437749-25-006107 · rdgdoc.xml · derivative · entry 5

MORRISON MICHAEL L · CIK 0001228756 · CFO & Treasurer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 12,892

Underlying: Common Stock · 3,218 shares

Expires not disclosed

F3 · derivative.exercise_price: These equivalent stock units settle in cash and represent the economic equivalent of one share of common stock, provided that the amount of cash settled for any equivalent stock unit will not exceed the maximum payout established by the Compensation, Nominating and Governance Committee.

F5 · derivative.exercise_date: Includes 1,877 equivalent stock units which vest on November 1, 2025, 7,797 equivalent stock units which vest in two equal annual installments beginning on February 28, 2026, and 3,218 equivalent stock units which vest in three equal annual installments beginning on February 28, 2026

F5 · derivative.expiration_date: Includes 1,877 equivalent stock units which vest on November 1, 2025, 7,797 equivalent stock units which vest in two equal annual installments beginning on February 28, 2026, and 3,218 equivalent stock units which vest in three equal annual installments beginning on February 28, 2026

SEC source: 0001437749-25-006107 · rdgdoc.xml · nonDerivative · entry 3

MORRISON MICHAEL L · CIK 0001228756 · CFO & Treasurer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 7,937

F2 · balance_after: Includes 1,877 restricted stock units which vest on November 1, 2025 and 3,218 restricted stock units which vest in three equal annual installments beginning on February 28, 2026.

SEC source: 0001437749-25-006107 · rdgdoc.xml · derivative · entry 4

MORRISON MICHAEL L · CIK 0001228756 · CFO & Treasurer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 9,674

Underlying: Common Stock · 3,899 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.

F3 · derivative.exercise_price: These equivalent stock units settle in cash and represent the economic equivalent of one share of common stock, provided that the amount of cash settled for any equivalent stock unit will not exceed the maximum payout established by the Compensation, Nominating and Governance Committee.

F1 · kind: Equivalent stock units vested on February 28, 2025 and settled for cash.

F4 · derivative.exercise_date: Includes 1,877 equivalent stock units which vest on November 1, 2025 and 7,797 equivalent stock units which vest in two equal annual installments beginning on February 28, 2026.

F4 · derivative.expiration_date: Includes 1,877 equivalent stock units which vest on November 1, 2025 and 7,797 equivalent stock units which vest in two equal annual installments beginning on February 28, 2026.

SEC source: 0001437749-25-006107 · rdgdoc.xml · nonDerivative · entry 2

MORRISON MICHAEL L · CIK 0001228756 · CFO & Treasurer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 4,719

F1 · kind: Equivalent stock units vested on February 28, 2025 and settled for cash.

SEC source: 0001437749-25-006107 · rdgdoc.xml · nonDerivative · entry 1

MORRISON MICHAEL L · CIK 0001228756 · CFO & Treasurer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 8,618

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 · kind: Equivalent stock units vested on February 28, 2025 and settled for cash.

SEC source: 0001437749-24-033277 · rdgdoc.xml · derivative · entry 4

MORRISON MICHAEL L · CIK 0001228756 · CFO & Treasurer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 13,573

Underlying: Common Stock · 1,879 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.

F4 · derivative.exercise_price: These equivalent stock units settle in cash and represent the economic equivalent of one share of common stock, provided that the amount of cash settled for any equivalent stock unit will not exceed the maximum payout established by the Compensation, Nominating and Governance Committee.

F1 · kind: Equivalent stock units vested on November 1, 2024 and settled for cash.

F5 · derivative.exercise_date: Includes 1,877 equivalent stock units which vest on November 1, 2025 and 11,696 equivalent stock units which vest in three equal annual installments beginning on February 28, 2025.

F5 · derivative.expiration_date: Includes 1,877 equivalent stock units which vest on November 1, 2025 and 11,696 equivalent stock units which vest in three equal annual installments beginning on February 28, 2025.

SEC source: 0001437749-24-033277 · rdgdoc.xml · nonDerivative · entry 3

MORRISON MICHAEL L · CIK 0001228756 · CFO & Treasurer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 4,719

F2 · shares: These shares were surrendered to satisfy the tax obligations related to the vesting of restricted stock units.

F3 · balance_after: Includes 1,877 restricted stock units which vest on November 1, 2025.

SEC source: 0001437749-24-033277 · rdgdoc.xml · nonDerivative · entry 2

MORRISON MICHAEL L · CIK 0001228756 · CFO & Treasurer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 5,177

F1 · kind: Equivalent stock units vested on November 1, 2024 and settled for cash.

SEC source: 0001437749-24-033277 · rdgdoc.xml · nonDerivative · entry 1

MORRISON MICHAEL L · CIK 0001228756 · CFO & Treasurer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 7,056

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 · kind: Equivalent stock units vested on November 1, 2024 and settled for cash.

SEC source: 0001437749-24-007223 · rdgdoc.xml · derivative · entry 1

MORRISON MICHAEL L · CIK 0001228756 · CFO & Treasurer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 15,452

Underlying: Common Stock · 11,696 shares

Expires not disclosed

F1 · derivative.exercise_price: These equivalent stock units settle in cash and represent the economic equivalent of one share of common stock, provided that the amount of cash settled for any equivalent stock unit will not exceed the maximum payout established by the Compensation, Nominating and Governance Committee.

F2 · derivative.exercise_date: Includes 3,756 equivalent stock units which vest in two equal annual installments beginning on November 1, 2024 and 11,696 equivalent stock units which vest in three equal annual installments beginning on February 28, 2025.

F2 · derivative.expiration_date: Includes 3,756 equivalent stock units which vest in two equal annual installments beginning on November 1, 2024 and 11,696 equivalent stock units which vest in three equal annual installments beginning on February 28, 2025.

SEC source: 0001562762-23-000394 · certent-form4.xml · derivative · entry 4

MORRISON MICHAEL L · CIK 0001228756 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 3,756

Underlying: Common Stock · 1,879 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.

F4 · derivative.exercise_price: These equivalent stock units settle in cash and represent the economic equivalent of one share of common stock, provided that the amount of cash settled for any equivalent stock unit will not exceed the maximum payout established by the Compensation, Nominating and Governance Committee.

F1 · kind: Equivalent stock units vested on November 1, 2023 and settled for cash.

F5 · derivative.exercise_date: Includes 3,756 equivalent stock units which vest in two equal annual installments beginning on November 1, 2024.

F5 · derivative.expiration_date: Includes 3,756 equivalent stock units which vest in two equal annual installments beginning on November 1, 2024.

SEC source: 0001562762-23-000394 · certent-form4.xml · nonDerivative · entry 3

MORRISON MICHAEL L · CIK 0001228756 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 5,177

F2 · shares: These shares were surrendered to satisfy the tax obligations related to the vesting of restricted stock units.

F3 · balance_after: Includes 3,756 restricted stock units which vest in two equal annual installments beginning on November 1, 2024.

SEC source: 0001562762-23-000394 · certent-form4.xml · nonDerivative · entry 2

MORRISON MICHAEL L · CIK 0001228756 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 5,635

F1 · kind: Equivalent stock units vested on November 1, 2023 and settled for cash.

SEC source: 0001562762-23-000394 · certent-form4.xml · nonDerivative · entry 1

MORRISON MICHAEL L · CIK 0001228756 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 7,514

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 · kind: Equivalent stock units vested on November 1, 2023 and settled for cash.

SEC source: 0001437749-22-012370 · rdgdoc.xml · nonDerivative · entry 1

MORRISON MICHAEL L · CIK 0001228756 · EVP & CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 118,082

F1 · shares: These shares were not sold, but were withheld by ION Geophysical Corporation upon the vesting of restricted stock shares to satisfy tax withholding obligations.

SEC source: 0001437749-22-005555 · rdgdoc.xml · nonDerivative · entry 1

MORRISON MICHAEL L · CIK 0001228756 · EVP & CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 124,630

F1 · shares: These shares were not sold, but were withheld by ION Geophysical Corporation upon the vesting of restricted stock shares to satisfy tax withholding obligations.

SEC source: 0001437749-21-027891 · rdgdoc.xml · nonDerivative · entry 1

MORRISON MICHAEL L · CIK 0001228756 · EVP &CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 129,190

F1 · shares: These shares were not sold, but were withheld by ION Geophysical Corporation upon the vesting of restricted stock shares to satisfy tax withholding obligations.

SEC source: 0001209191-21-032349 · doc4.xml · nonDerivative · entry 1

MORRISON MICHAEL L · CIK 0001228756 · EVP & CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 129,971

F1 · shares: Restricted Stock award issued pursuant to the ION Geophysical Corporation Fourth Amended and Restated 2013 Long Term Incentive Plan ("2013 LTIP"). The shares of restricted stock will vest in three equal annual installments beginning on May 11, 2022.

SEC source: 0001209191-21-027898 · doc4.xml · nonDerivative · entry 2

MORRISON MICHAEL L · CIK 0001228756 · EVP & CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 52,471

F1 · shares: These shares were not sold, but were withheld by ION Geophysical Corporation upon the vesting of restricted stock shares to satisfy tax withholding obligations.

SEC source: 0001209191-21-027898 · doc4.xml · nonDerivative · entry 1

MORRISON MICHAEL L · CIK 0001228756 · EVP & CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 55,692

F1 · shares: These shares were not sold, but were withheld by ION Geophysical Corporation upon the vesting of restricted stock shares to satisfy tax withholding obligations.

SEC source: 0001209191-21-027895 · doc4.xml · nonDerivative · entry 2

MORRISON MICHAEL L · CIK 0001228756 · EVP & CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 52,471

F1 · shares: These shares were not sold, but were withheld by ION Geophysical Corporation upon the vesting of restricted stock shares to satisfy tax withholding obligations.

SEC source: 0001209191-21-027895 · doc4.xml · nonDerivative · entry 1

MORRISON MICHAEL L · CIK 0001228756 · EVP & CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 55,692

F1 · shares: These shares were not sold, but were withheld by ION Geophysical Corporation upon the vesting of restricted stock shares to satisfy tax withholding obligations.

SEC source: 0001209191-21-019067 · doc4.xml · nonDerivative · entry 1

MORRISON MICHAEL L · CIK 0001228756 · EVP & CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 58,168

F1 · shares: These shares were not sold, but were withheld by ION Geophysical Corporation upon the vesting of restricted stock shares to satisfy tax withholding obligations.

SEC source: 0001209191-20-016931 · doc4.xml · nonDerivative · entry 2

MORRISON MICHAEL L · CIK 0001228756 · EVP & CFO (Interim)

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 61,139

F2 · shares: Restricted Stock award issued pursuant to the 2013 LTIP. The shares of restricted stock are subject to both time-based and performance-based vesting requirements. The time-based vesting requirements provide that the shares of restricted stock will vest in three equal annual installments beginning on March 5, 2021, subject to satisfaction of the performance-based vesting requirements. The performance-based vesting requirements provide that the shares vest in three equal portions upon achievement of ION common stock reaching twenty (20) day volume weighted average price per share targets of $17.50, $22.50 and $27.50, respectively, on or before March 5, 2023, subject to satisfaction of the time-based vesting requirements.

SEC source: 0001209191-20-016931 · doc4.xml · nonDerivative · entry 1

MORRISON MICHAEL L · CIK 0001228756 · EVP & CFO (Interim)

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 36,139

F1 · shares: Restricted Stock award issued pursuant to the ION Geophysical Corporation Third Amended and Restated 2013 Long Term Incentive Plan ("2013 LTIP"). The shares of restricted stock will vest in three equal annual installments beginning on March 5, 2021.

SEC source: 0001209191-20-011050 · doc4.xml · nonDerivative · entry 1

MORRISON MICHAEL L · CIK 0001228756 · EVP & CFO (Interim)

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 11,139