{"transactions":[{"id":671172,"issuer":{"id":6562,"kind":"organization","name":"NCS Multistage Holdings, Inc."},"owners":[{"id":17949,"kind":"person","name":"MORRISON MICHAEL L","position":1,"cik":"0001228756","reported_name":"MORRISON MICHAEL L","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"See Remarks"}}],"security":"Performance Stock Units","published_at":"2026-09-01T13:47:41.000Z","date":"2026-09-01","kind":"disposition_to_issuer","planned":false,"acquired":false,"shares":4978,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F3","text":"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."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"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."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F3","text":"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."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F9","text":"Represents certain Assumed PSUs which were scheduled to vest in the first quarter of 2029."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F3","text":"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."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F9","text":"Represents certain Assumed PSUs which were scheduled to vest in the first quarter of 2029."}],"balance_after":0,"derivative":{"underlying":"Common Stock","underlying_shares":4978},"source":{"system":"sec-edgar","filing":"0001193125-26-377733","document":"ownership.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":7,"url":"https://www.sec.gov/Archives/edgar/data/1692427/000119312526377733/ownership.xml","form_type":"4"}},{"id":671171,"issuer":{"id":6562,"kind":"organization","name":"NCS Multistage Holdings, Inc."},"owners":[{"id":17949,"kind":"person","name":"MORRISON MICHAEL L","position":1,"cik":"0001228756","reported_name":"MORRISON MICHAEL L","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"See Remarks"}}],"security":"Performance Stock Units","published_at":"2026-09-01T13:47:41.000Z","date":"2026-09-01","kind":"disposition_to_issuer","planned":false,"acquired":false,"shares":6435,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F3","text":"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."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"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."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F3","text":"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."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F8","text":"Represents certain Assumed PSUs which were scheduled to vest in the first quarter of 2028."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F3","text":"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."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F8","text":"Represents certain Assumed PSUs which were scheduled to vest in the first quarter of 2028."}],"balance_after":0,"derivative":{"underlying":"Common Stock","underlying_shares":6435},"source":{"system":"sec-edgar","filing":"0001193125-26-377733","document":"ownership.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":6,"url":"https://www.sec.gov/Archives/edgar/data/1692427/000119312526377733/ownership.xml","form_type":"4"}},{"id":671170,"issuer":{"id":6562,"kind":"organization","name":"NCS Multistage Holdings, Inc."},"owners":[{"id":17949,"kind":"person","name":"MORRISON MICHAEL L","position":1,"cik":"0001228756","reported_name":"MORRISON MICHAEL L","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"See Remarks"}}],"security":"Performance Stock Units","published_at":"2026-09-01T13:47:41.000Z","date":"2026-09-01","kind":"disposition_to_issuer","planned":false,"acquired":false,"shares":11696,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F3","text":"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."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"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."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F3","text":"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."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F7","text":"Represents certain Assumed PSUs which were scheduled to vest in the first quarter of 2027."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F3","text":"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."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F7","text":"Represents certain Assumed PSUs which were scheduled to vest in the first quarter of 2027."}],"balance_after":0,"derivative":{"underlying":"Common Stock","underlying_shares":11696},"source":{"system":"sec-edgar","filing":"0001193125-26-377733","document":"ownership.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1692427/000119312526377733/ownership.xml","form_type":"4"}},{"id":671169,"issuer":{"id":6562,"kind":"organization","name":"NCS Multistage Holdings, Inc."},"owners":[{"id":17949,"kind":"person","name":"MORRISON MICHAEL L","position":1,"cik":"0001228756","reported_name":"MORRISON MICHAEL L","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"See Remarks"}}],"security":"Equivalent Stock Units","published_at":"2026-09-01T13:47:41.000Z","date":"2026-09-01","kind":"disposition_to_issuer","planned":false,"acquired":false,"shares":2463,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F2","text":"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."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"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."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"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."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F6","text":"Represents certain Assumed ESUs which were scheduled to vest in three equal annual installments beginning on February 28, 2027."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F2","text":"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."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F6","text":"Represents certain Assumed ESUs which were scheduled to vest in three equal annual installments beginning on February 28, 2027."}],"balance_after":0,"derivative":{"underlying":"Common Stock","underlying_shares":2463},"source":{"system":"sec-edgar","filing":"0001193125-26-377733","document":"ownership.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1692427/000119312526377733/ownership.xml","form_type":"4"}},{"id":671168,"issuer":{"id":6562,"kind":"organization","name":"NCS Multistage Holdings, Inc."},"owners":[{"id":17949,"kind":"person","name":"MORRISON MICHAEL L","position":1,"cik":"0001228756","reported_name":"MORRISON MICHAEL L","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"See Remarks"}}],"security":"Equivalent Stock Units","published_at":"2026-09-01T13:47:41.000Z","date":"2026-09-01","kind":"disposition_to_issuer","planned":false,"acquired":false,"shares":2145,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F2","text":"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."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"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."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"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."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F5","text":"Represents certain Assumed ESUs which were scheduled to vest in two equal annual installments beginning on February 28, 2027."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F2","text":"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."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F5","text":"Represents certain Assumed ESUs which were scheduled to vest in two equal annual installments beginning on February 28, 2027."}],"balance_after":0,"derivative":{"underlying":"Common Stock","underlying_shares":2145},"source":{"system":"sec-edgar","filing":"0001193125-26-377733","document":"ownership.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1692427/000119312526377733/ownership.xml","form_type":"4"}},{"id":671167,"issuer":{"id":6562,"kind":"organization","name":"NCS Multistage Holdings, Inc."},"owners":[{"id":17949,"kind":"person","name":"MORRISON MICHAEL L","position":1,"cik":"0001228756","reported_name":"MORRISON MICHAEL L","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"See Remarks"}}],"security":"Equivalent Stock Units","published_at":"2026-09-01T13:47:41.000Z","date":"2026-09-01","kind":"disposition_to_issuer","planned":false,"acquired":false,"shares":3898,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F2","text":"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."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"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."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"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."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F4","text":"Represents certain Assumed ESUs which were scheduled to vest on February 28, 2027."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F2","text":"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."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F4","text":"Represents certain Assumed ESUs which were scheduled to vest on February 28, 2027."}],"balance_after":0,"derivative":{"underlying":"Common Stock","underlying_shares":3898},"source":{"system":"sec-edgar","filing":"0001193125-26-377733","document":"ownership.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1692427/000119312526377733/ownership.xml","form_type":"4"}},{"id":671166,"issuer":{"id":6562,"kind":"organization","name":"NCS Multistage Holdings, Inc."},"owners":[{"id":17949,"kind":"person","name":"MORRISON MICHAEL L","position":1,"cik":"0001228756","reported_name":"MORRISON MICHAEL L","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"See Remarks"}}],"security":"Common Stock","published_at":"2026-09-01T13:47:41.000Z","date":"2026-09-01","kind":"disposition_to_issuer","planned":false,"acquired":false,"shares":11049,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"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."}],"balance_after":0,"source":{"system":"sec-edgar","filing":"0001193125-26-377733","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1692427/000119312526377733/ownership.xml","form_type":"4"}},{"id":867301,"issuer":{"id":6562,"kind":"organization","name":"NCS Multistage Holdings, Inc."},"owners":[{"id":17949,"kind":"person","name":"MORRISON MICHAEL L","position":1,"cik":"0001228756","reported_name":"MORRISON MICHAEL L","relationship":{"officer":true,"officer_title":"CFO & Treasurer"}}],"security":"Performance Stock Units","published_at":"2026-03-03T22:20:39.000Z","date":"2026-03-03","kind":"grant","planned":false,"acquired":true,"shares":4978,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F8","text":"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."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F8","text":"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."}],"balance_after":4978,"derivative":{"expiration_date":"2028-12-31","underlying":"Common Stock","underlying_shares":4978},"source":{"system":"sec-edgar","filing":"0001437749-26-006681","document":"rdgdoc.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":9,"url":"https://www.sec.gov/Archives/edgar/data/1692427/000143774926006681/rdgdoc.xml","form_type":"4"}},{"id":867300,"issuer":{"id":6562,"kind":"organization","name":"NCS Multistage Holdings, Inc."},"owners":[{"id":17949,"kind":"person","name":"MORRISON MICHAEL L","position":1,"cik":"0001228756","reported_name":"MORRISON MICHAEL L","relationship":{"officer":true,"officer_title":"CFO & Treasurer"}}],"security":"Equivalent Stock Units","published_at":"2026-03-03T22:20:39.000Z","date":"2026-03-03","kind":"grant","planned":false,"acquired":true,"shares":2463,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F5","text":"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."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F7","text":"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."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F7","text":"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."}],"balance_after":8506,"derivative":{"underlying":"Common Stock","underlying_shares":2463},"source":{"system":"sec-edgar","filing":"0001437749-26-006681","document":"rdgdoc.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":8,"url":"https://www.sec.gov/Archives/edgar/data/1692427/000143774926006681/rdgdoc.xml","form_type":"4"}},{"id":867299,"issuer":{"id":6562,"kind":"organization","name":"NCS Multistage Holdings, Inc."},"owners":[{"id":17949,"kind":"person","name":"MORRISON MICHAEL L","position":1,"cik":"0001228756","reported_name":"MORRISON MICHAEL L","relationship":{"officer":true,"officer_title":"CFO & Treasurer"}}],"security":"Equivalent Stock Units","published_at":"2026-03-03T22:20:39.000Z","date":"2026-02-28","kind":"exercise","planned":false,"acquired":false,"shares":4972,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F5","text":"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."},{"field":"kind","element":"transactionCoding","label":"F1","text":"Equivalent stock units vested on February 28, 2026 and settled for cash."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F6","text":"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."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F6","text":"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."}],"balance_after":6043,"derivative":{"underlying":"Common Stock","underlying_shares":4972},"source":{"system":"sec-edgar","filing":"0001437749-26-006681","document":"rdgdoc.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":7,"url":"https://www.sec.gov/Archives/edgar/data/1692427/000143774926006681/rdgdoc.xml","form_type":"4"}},{"id":867298,"issuer":{"id":6562,"kind":"organization","name":"NCS Multistage Holdings, Inc."},"owners":[{"id":17949,"kind":"person","name":"MORRISON MICHAEL L","position":1,"cik":"0001228756","reported_name":"MORRISON MICHAEL L","relationship":{"officer":true,"officer_title":"CFO & Treasurer"}}],"security":"Common Stock","published_at":"2026-03-03T22:20:39.000Z","date":"2026-03-03","kind":"grant","planned":false,"acquired":true,"shares":2463,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F4","text":"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."}],"balance_after":15657,"source":{"system":"sec-edgar","filing":"0001437749-26-006681","document":"rdgdoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":6,"url":"https://www.sec.gov/Archives/edgar/data/1692427/000143774926006681/rdgdoc.xml","form_type":"4"}},{"id":867297,"issuer":{"id":6562,"kind":"organization","name":"NCS Multistage Holdings, Inc."},"owners":[{"id":17949,"kind":"person","name":"MORRISON MICHAEL L","position":1,"cik":"0001228756","reported_name":"MORRISON MICHAEL L","relationship":{"officer":true,"officer_title":"CFO & Treasurer"}}],"security":"Common Stock","published_at":"2026-03-03T22:20:39.000Z","date":"2026-03-02","kind":"disposition_to_issuer","planned":false,"acquired":false,"shares":2019,"price":40.93,"value":82637.67,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F3","text":"These shares were surrendered to satisfy the tax obligations related to the vesting of performance stock units."}],"balance_after":13194,"source":{"system":"sec-edgar","filing":"0001437749-26-006681","document":"rdgdoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1692427/000143774926006681/rdgdoc.xml","form_type":"4"}},{"id":867296,"issuer":{"id":6562,"kind":"organization","name":"NCS Multistage Holdings, Inc."},"owners":[{"id":17949,"kind":"person","name":"MORRISON MICHAEL L","position":1,"cik":"0001228756","reported_name":"MORRISON MICHAEL L","relationship":{"officer":true,"officer_title":"CFO & Treasurer"}}],"security":"Common Stock","published_at":"2026-03-03T22:20:39.000Z","date":"2026-03-02","kind":"grant","planned":false,"acquired":true,"shares":7996,"price":0,"value":0.0,"ownership":{"direct":true},"balance_after":15213,"source":{"system":"sec-edgar","filing":"0001437749-26-006681","document":"rdgdoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1692427/000143774926006681/rdgdoc.xml","form_type":"4"}},{"id":867295,"issuer":{"id":6562,"kind":"organization","name":"NCS Multistage Holdings, Inc."},"owners":[{"id":17949,"kind":"person","name":"MORRISON MICHAEL L","position":1,"cik":"0001228756","reported_name":"MORRISON MICHAEL L","relationship":{"officer":true,"officer_title":"CFO & Treasurer"}}],"security":"Common Stock","published_at":"2026-03-03T22:20:39.000Z","date":"2026-02-28","kind":"disposition_to_issuer","planned":false,"acquired":false,"shares":262,"price":39.84,"value":10438.08,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F2","text":"These shares were surrendered to satisfy the tax obligations related to the vesting of restricted stock units."}],"balance_after":7217,"source":{"system":"sec-edgar","filing":"0001437749-26-006681","document":"rdgdoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1692427/000143774926006681/rdgdoc.xml","form_type":"4"}},{"id":867294,"issuer":{"id":6562,"kind":"organization","name":"NCS Multistage Holdings, Inc."},"owners":[{"id":17949,"kind":"person","name":"MORRISON MICHAEL L","position":1,"cik":"0001228756","reported_name":"MORRISON MICHAEL L","relationship":{"officer":true,"officer_title":"CFO & Treasurer"}}],"security":"Common Stock","published_at":"2026-03-03T22:20:39.000Z","date":"2026-02-28","kind":"tax_withholding","planned":false,"acquired":false,"shares":4972,"price":39.84,"value":198084.48,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Equivalent stock units vested on February 28, 2026 and settled for cash."}],"balance_after":7479,"source":{"system":"sec-edgar","filing":"0001437749-26-006681","document":"rdgdoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1692427/000143774926006681/rdgdoc.xml","form_type":"4"}},{"id":867293,"issuer":{"id":6562,"kind":"organization","name":"NCS Multistage Holdings, Inc."},"owners":[{"id":17949,"kind":"person","name":"MORRISON MICHAEL L","position":1,"cik":"0001228756","reported_name":"MORRISON MICHAEL L","relationship":{"officer":true,"officer_title":"CFO & Treasurer"}}],"security":"Common Stock","published_at":"2026-03-03T22:20:39.000Z","date":"2026-02-28","kind":"exercise","planned":false,"acquired":true,"shares":4972,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Equivalent stock units vested on February 28, 2026 and settled for cash."}],"balance_after":12451,"source":{"system":"sec-edgar","filing":"0001437749-26-006681","document":"rdgdoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1692427/000143774926006681/rdgdoc.xml","form_type":"4"}},{"id":1009618,"issuer":{"id":6562,"kind":"organization","name":"NCS Multistage Holdings, Inc."},"owners":[{"id":17949,"kind":"person","name":"MORRISON MICHAEL L","position":1,"cik":"0001228756","reported_name":"MORRISON MICHAEL L","relationship":{"officer":true,"officer_title":"CFO & Treasurer"}}],"security":"Equivalent Stock Units","published_at":"2025-11-03T22:27:18.000Z","date":"2025-11-01","kind":"exercise","planned":false,"acquired":false,"shares":1877,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F4","text":"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."},{"field":"kind","element":"transactionCoding","label":"F1","text":"Equivalent stock units vested on November 1, 2025 and settled for cash."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F5","text":"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."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F5","text":"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."}],"balance_after":11015,"derivative":{"underlying":"Common Stock","underlying_shares":1877},"source":{"system":"sec-edgar","filing":"0001437749-25-032820","document":"rdgdoc.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1692427/000143774925032820/rdgdoc.xml","form_type":"4"}},{"id":1009617,"issuer":{"id":6562,"kind":"organization","name":"NCS Multistage Holdings, Inc."},"owners":[{"id":17949,"kind":"person","name":"MORRISON MICHAEL L","position":1,"cik":"0001228756","reported_name":"MORRISON MICHAEL L","relationship":{"officer":true,"officer_title":"CFO & Treasurer"}}],"security":"Common Stock","published_at":"2025-11-03T22:27:18.000Z","date":"2025-11-01","kind":"disposition_to_issuer","planned":false,"acquired":false,"shares":458,"price":36.7,"value":16808.6,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F2","text":"These shares were surrendered to satisfy the tax obligations related to the vesting of restricted stock units."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"Includes 3,218 restricted stock units which vest in three equal annual installments beginning on February 28, 2026."}],"balance_after":7479,"source":{"system":"sec-edgar","filing":"0001437749-25-032820","document":"rdgdoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1692427/000143774925032820/rdgdoc.xml","form_type":"4"}},{"id":1009616,"issuer":{"id":6562,"kind":"organization","name":"NCS Multistage Holdings, Inc."},"owners":[{"id":17949,"kind":"person","name":"MORRISON MICHAEL L","position":1,"cik":"0001228756","reported_name":"MORRISON MICHAEL L","relationship":{"officer":true,"officer_title":"CFO & Treasurer"}}],"security":"Common Stock","published_at":"2025-11-03T22:27:18.000Z","date":"2025-11-01","kind":"tax_withholding","planned":false,"acquired":false,"shares":1877,"price":36.7,"value":68885.9,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Equivalent stock units vested on November 1, 2025 and settled for cash."}],"balance_after":7937,"source":{"system":"sec-edgar","filing":"0001437749-25-032820","document":"rdgdoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1692427/000143774925032820/rdgdoc.xml","form_type":"4"}},{"id":1009615,"issuer":{"id":6562,"kind":"organization","name":"NCS Multistage Holdings, Inc."},"owners":[{"id":17949,"kind":"person","name":"MORRISON MICHAEL L","position":1,"cik":"0001228756","reported_name":"MORRISON MICHAEL L","relationship":{"officer":true,"officer_title":"CFO & Treasurer"}}],"security":"Common Stock","published_at":"2025-11-03T22:27:18.000Z","date":"2025-11-01","kind":"exercise","planned":false,"acquired":true,"shares":1877,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Equivalent stock units vested on November 1, 2025 and settled for cash."}],"balance_after":9814,"source":{"system":"sec-edgar","filing":"0001437749-25-032820","document":"rdgdoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1692427/000143774925032820/rdgdoc.xml","form_type":"4"}},{"id":1228630,"issuer":{"id":6562,"kind":"organization","name":"NCS Multistage Holdings, Inc."},"owners":[{"id":17949,"kind":"person","name":"MORRISON MICHAEL L","position":1,"cik":"0001228756","reported_name":"MORRISON MICHAEL L","relationship":{"officer":true,"officer_title":"CFO & Treasurer"}}],"security":"Equivalent Stock Units","published_at":"2025-03-04T21:14:49.000Z","date":"2025-03-04","kind":"grant","planned":false,"acquired":true,"shares":3218,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F3","text":"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."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F5","text":"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"},{"field":"derivative.expiration_date","element":"expirationDate","label":"F5","text":"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"}],"balance_after":12892,"derivative":{"underlying":"Common Stock","underlying_shares":3218},"source":{"system":"sec-edgar","filing":"0001437749-25-006107","document":"rdgdoc.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1692427/000143774925006107/rdgdoc.xml","form_type":"4"}},{"id":1228629,"issuer":{"id":6562,"kind":"organization","name":"NCS Multistage Holdings, Inc."},"owners":[{"id":17949,"kind":"person","name":"MORRISON MICHAEL L","position":1,"cik":"0001228756","reported_name":"MORRISON MICHAEL L","relationship":{"officer":true,"officer_title":"CFO & Treasurer"}}],"security":"Equivalent Stock Units","published_at":"2025-03-04T21:14:49.000Z","date":"2025-02-28","kind":"exercise","planned":false,"acquired":false,"shares":3899,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F3","text":"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."},{"field":"kind","element":"transactionCoding","label":"F1","text":"Equivalent stock units vested on February 28, 2025 and settled for cash."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F4","text":"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."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F4","text":"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."}],"balance_after":9674,"derivative":{"underlying":"Common Stock","underlying_shares":3899},"source":{"system":"sec-edgar","filing":"0001437749-25-006107","document":"rdgdoc.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1692427/000143774925006107/rdgdoc.xml","form_type":"4"}},{"id":1228628,"issuer":{"id":6562,"kind":"organization","name":"NCS Multistage Holdings, Inc."},"owners":[{"id":17949,"kind":"person","name":"MORRISON MICHAEL L","position":1,"cik":"0001228756","reported_name":"MORRISON MICHAEL L","relationship":{"officer":true,"officer_title":"CFO & Treasurer"}}],"security":"Common Stock","published_at":"2025-03-04T21:14:49.000Z","date":"2025-03-04","kind":"grant","planned":false,"acquired":true,"shares":3218,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"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."}],"balance_after":7937,"source":{"system":"sec-edgar","filing":"0001437749-25-006107","document":"rdgdoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1692427/000143774925006107/rdgdoc.xml","form_type":"4"}},{"id":1228627,"issuer":{"id":6562,"kind":"organization","name":"NCS Multistage Holdings, Inc."},"owners":[{"id":17949,"kind":"person","name":"MORRISON MICHAEL L","position":1,"cik":"0001228756","reported_name":"MORRISON MICHAEL L","relationship":{"officer":true,"officer_title":"CFO & Treasurer"}}],"security":"Common Stock","published_at":"2025-03-04T21:14:49.000Z","date":"2025-02-28","kind":"tax_withholding","planned":false,"acquired":false,"shares":3899,"price":26.93,"value":105000.07,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Equivalent stock units vested on February 28, 2025 and settled for cash."}],"balance_after":4719,"source":{"system":"sec-edgar","filing":"0001437749-25-006107","document":"rdgdoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1692427/000143774925006107/rdgdoc.xml","form_type":"4"}},{"id":1228626,"issuer":{"id":6562,"kind":"organization","name":"NCS Multistage Holdings, Inc."},"owners":[{"id":17949,"kind":"person","name":"MORRISON MICHAEL L","position":1,"cik":"0001228756","reported_name":"MORRISON MICHAEL L","relationship":{"officer":true,"officer_title":"CFO & Treasurer"}}],"security":"Common Stock","published_at":"2025-03-04T21:14:49.000Z","date":"2025-02-28","kind":"exercise","planned":false,"acquired":true,"shares":3899,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Equivalent stock units vested on February 28, 2025 and settled for cash."}],"balance_after":8618,"source":{"system":"sec-edgar","filing":"0001437749-25-006107","document":"rdgdoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1692427/000143774925006107/rdgdoc.xml","form_type":"4"}},{"id":1375499,"issuer":{"id":6562,"kind":"organization","name":"NCS Multistage Holdings, Inc."},"owners":[{"id":17949,"kind":"person","name":"MORRISON MICHAEL L","position":1,"cik":"0001228756","reported_name":"MORRISON MICHAEL L","relationship":{"officer":true,"officer_title":"CFO & Treasurer"}}],"security":"Equivalent Stock Units","published_at":"2024-11-05T17:53:02.000Z","date":"2024-11-01","kind":"exercise","planned":false,"acquired":false,"shares":1879,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F4","text":"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."},{"field":"kind","element":"transactionCoding","label":"F1","text":"Equivalent stock units vested on November 1, 2024 and settled for cash."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F5","text":"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."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F5","text":"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."}],"balance_after":13573,"derivative":{"underlying":"Common Stock","underlying_shares":1879},"source":{"system":"sec-edgar","filing":"0001437749-24-033277","document":"rdgdoc.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1692427/000143774924033277/rdgdoc.xml","form_type":"4"}},{"id":1375498,"issuer":{"id":6562,"kind":"organization","name":"NCS Multistage Holdings, Inc."},"owners":[{"id":17949,"kind":"person","name":"MORRISON MICHAEL L","position":1,"cik":"0001228756","reported_name":"MORRISON MICHAEL L","relationship":{"officer":true,"officer_title":"CFO & Treasurer"}}],"security":"Common Stock","published_at":"2024-11-05T17:53:02.000Z","date":"2024-11-01","kind":"disposition_to_issuer","planned":false,"acquired":false,"shares":458,"price":18.54,"value":8491.32,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F2","text":"These shares were surrendered to satisfy the tax obligations related to the vesting of restricted stock units."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"Includes 1,877 restricted stock units which vest on November 1, 2025."}],"balance_after":4719,"source":{"system":"sec-edgar","filing":"0001437749-24-033277","document":"rdgdoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1692427/000143774924033277/rdgdoc.xml","form_type":"4"}},{"id":1375497,"issuer":{"id":6562,"kind":"organization","name":"NCS Multistage Holdings, Inc."},"owners":[{"id":17949,"kind":"person","name":"MORRISON MICHAEL L","position":1,"cik":"0001228756","reported_name":"MORRISON MICHAEL L","relationship":{"officer":true,"officer_title":"CFO & Treasurer"}}],"security":"Common Stock","published_at":"2024-11-05T17:53:02.000Z","date":"2024-11-01","kind":"tax_withholding","planned":false,"acquired":false,"shares":1879,"price":18.54,"value":34836.66,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Equivalent stock units vested on November 1, 2024 and settled for cash."}],"balance_after":5177,"source":{"system":"sec-edgar","filing":"0001437749-24-033277","document":"rdgdoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1692427/000143774924033277/rdgdoc.xml","form_type":"4"}},{"id":1375496,"issuer":{"id":6562,"kind":"organization","name":"NCS Multistage Holdings, Inc."},"owners":[{"id":17949,"kind":"person","name":"MORRISON MICHAEL L","position":1,"cik":"0001228756","reported_name":"MORRISON MICHAEL L","relationship":{"officer":true,"officer_title":"CFO & Treasurer"}}],"security":"Common Stock","published_at":"2024-11-05T17:53:02.000Z","date":"2024-11-01","kind":"exercise","planned":false,"acquired":true,"shares":1879,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Equivalent stock units vested on November 1, 2024 and settled for cash."}],"balance_after":7056,"source":{"system":"sec-edgar","filing":"0001437749-24-033277","document":"rdgdoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1692427/000143774924033277/rdgdoc.xml","form_type":"4"}},{"id":1586829,"issuer":{"id":6562,"kind":"organization","name":"NCS Multistage Holdings, Inc."},"owners":[{"id":17949,"kind":"person","name":"MORRISON MICHAEL L","position":1,"cik":"0001228756","reported_name":"MORRISON MICHAEL L","relationship":{"officer":true,"officer_title":"CFO & Treasurer"}}],"security":"Equivalent Stock Units","published_at":"2024-03-09T01:28:03.000Z","date":"2024-03-07","kind":"grant","planned":false,"acquired":true,"shares":11696,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"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."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"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."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F2","text":"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."}],"balance_after":15452,"derivative":{"underlying":"Common Stock","underlying_shares":11696},"source":{"system":"sec-edgar","filing":"0001437749-24-007223","document":"rdgdoc.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1692427/000143774924007223/rdgdoc.xml","form_type":"4"}},{"id":1751408,"issuer":{"id":6562,"kind":"organization","name":"NCS Multistage Holdings, Inc."},"owners":[{"id":17949,"kind":"person","name":"MORRISON MICHAEL L","position":1,"cik":"0001228756","reported_name":"MORRISON MICHAEL L","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Financial Officer"}}],"security":"Equivalent Stock Units","published_at":"2023-11-02T21:31:24.000Z","date":"2023-11-01","kind":"exercise","planned":false,"acquired":false,"shares":1879,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F4","text":"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."},{"field":"kind","element":"transactionCoding","label":"F1","text":"Equivalent stock units vested on November 1, 2023 and settled for cash."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F5","text":"Includes 3,756 equivalent stock units which vest in two equal annual installments beginning on November 1, 2024."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F5","text":"Includes 3,756 equivalent stock units which vest in two equal annual installments beginning on November 1, 2024."}],"balance_after":3756,"derivative":{"underlying":"Common Stock","underlying_shares":1879},"source":{"system":"sec-edgar","filing":"0001562762-23-000394","document":"certent-form4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1692427/000156276223000394/certent-form4.xml","form_type":"4"}},{"id":1751407,"issuer":{"id":6562,"kind":"organization","name":"NCS Multistage Holdings, Inc."},"owners":[{"id":17949,"kind":"person","name":"MORRISON MICHAEL L","position":1,"cik":"0001228756","reported_name":"MORRISON MICHAEL L","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Financial Officer"}}],"security":"Common Stock","published_at":"2023-11-02T21:31:24.000Z","date":"2023-11-01","kind":"disposition_to_issuer","planned":false,"acquired":false,"shares":458,"price":14.05,"value":6434.9,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F2","text":"These shares were surrendered to satisfy the tax obligations related to the vesting of restricted stock units."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"Includes 3,756 restricted stock units which vest in two equal annual installments beginning on November 1, 2024."}],"balance_after":5177,"source":{"system":"sec-edgar","filing":"0001562762-23-000394","document":"certent-form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1692427/000156276223000394/certent-form4.xml","form_type":"4"}},{"id":1751406,"issuer":{"id":6562,"kind":"organization","name":"NCS Multistage Holdings, Inc."},"owners":[{"id":17949,"kind":"person","name":"MORRISON MICHAEL L","position":1,"cik":"0001228756","reported_name":"MORRISON MICHAEL L","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Financial Officer"}}],"security":"Common Stock","published_at":"2023-11-02T21:31:24.000Z","date":"2023-11-01","kind":"tax_withholding","planned":false,"acquired":false,"shares":1879,"price":14.05,"value":26399.95,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Equivalent stock units vested on November 1, 2023 and settled for cash."}],"balance_after":5635,"source":{"system":"sec-edgar","filing":"0001562762-23-000394","document":"certent-form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1692427/000156276223000394/certent-form4.xml","form_type":"4"}},{"id":1751405,"issuer":{"id":6562,"kind":"organization","name":"NCS Multistage Holdings, Inc."},"owners":[{"id":17949,"kind":"person","name":"MORRISON MICHAEL L","position":1,"cik":"0001228756","reported_name":"MORRISON MICHAEL L","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Financial Officer"}}],"security":"Common Stock","published_at":"2023-11-02T21:31:24.000Z","date":"2023-11-01","kind":"exercise","planned":false,"acquired":true,"shares":1879,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Equivalent stock units vested on November 1, 2023 and settled for cash."}],"balance_after":7514,"source":{"system":"sec-edgar","filing":"0001562762-23-000394","document":"certent-form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1692427/000156276223000394/certent-form4.xml","form_type":"4"}},{"id":2272744,"issuer":{"id":125074,"kind":"organization","name":"ION GEOPHYSICAL CORP","symbol":"IO"},"owners":[{"id":17949,"kind":"person","name":"MORRISON MICHAEL L","position":1,"cik":"0001228756","reported_name":"MORRISON MICHAEL L","relationship":{"officer":true,"officer_title":"EVP & CFO"}}],"security":"Common Stock","published_at":"2022-05-13T16:28:17.000Z","date":"2022-05-11","kind":"tax_withholding","acquired":false,"shares":6548,"price":0.37,"value":2422.76,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"These shares were not sold, but were withheld by ION Geophysical Corporation upon the vesting of restricted stock shares to satisfy tax withholding obligations."}],"balance_after":118082,"source":{"system":"sec-edgar","filing":"0001437749-22-012370","document":"rdgdoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/866609/000143774922012370/rdgdoc.xml","form_type":"4"}},{"id":2345796,"issuer":{"id":125074,"kind":"organization","name":"ION GEOPHYSICAL CORP","symbol":"IO"},"owners":[{"id":17949,"kind":"person","name":"MORRISON MICHAEL L","position":1,"cik":"0001228756","reported_name":"MORRISON MICHAEL L","relationship":{"officer":true,"officer_title":"EVP & CFO"}}],"security":"Common Stock","published_at":"2022-03-08T16:36:41.000Z","date":"2022-03-05","kind":"tax_withholding","acquired":false,"shares":4560,"price":0.8,"value":3648.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"These shares were not sold, but were withheld by ION Geophysical Corporation upon the vesting of restricted stock shares to satisfy tax withholding obligations."}],"balance_after":124630,"source":{"system":"sec-edgar","filing":"0001437749-22-005555","document":"rdgdoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/866609/000143774922005555/rdgdoc.xml","form_type":"4"}},{"id":2487237,"issuer":{"id":125074,"kind":"organization","name":"ION GEOPHYSICAL CORP","symbol":"IO"},"owners":[{"id":17949,"kind":"person","name":"MORRISON MICHAEL L","position":1,"cik":"0001228756","reported_name":"MORRISON MICHAEL L","relationship":{"officer":true,"officer_title":"EVP &CFO"}}],"security":"Common Stock","published_at":"2021-12-03T18:17:23.000Z","date":"2021-12-01","kind":"tax_withholding","acquired":false,"shares":781,"price":1.74,"value":1358.94,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"These shares were not sold, but were withheld by ION Geophysical Corporation upon the vesting of restricted stock shares to satisfy tax withholding obligations."}],"balance_after":129190,"source":{"system":"sec-edgar","filing":"0001437749-21-027891","document":"rdgdoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/866609/000143774921027891/rdgdoc.xml","form_type":"4"}},{"id":2715390,"issuer":{"id":125074,"kind":"organization","name":"ION GEOPHYSICAL CORP","symbol":"IO"},"owners":[{"id":17949,"kind":"person","name":"MORRISON MICHAEL L","position":1,"cik":"0001228756","reported_name":"MORRISON MICHAEL L","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP & CFO"}}],"security":"Common Stock","published_at":"2021-05-13T16:32:48.000Z","date":"2021-05-11","kind":"grant","acquired":true,"shares":77500,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"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."}],"balance_after":129971,"source":{"system":"sec-edgar","filing":"0001209191-21-032349","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/866609/000120919121032349/doc4.xml","form_type":"4"}},{"id":2743564,"issuer":{"id":125074,"kind":"organization","name":"ION GEOPHYSICAL CORP","symbol":"IO"},"owners":[{"id":17949,"kind":"person","name":"MORRISON MICHAEL L","position":1,"cik":"0001228756","reported_name":"MORRISON MICHAEL L","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP & CFO"}}],"security":"Common Stock","published_at":"2021-04-21T21:28:12.000Z","date":"2021-04-19","kind":"tax_withholding","acquired":false,"shares":3221,"price":2.16,"value":6957.36,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"These shares were not sold, but were withheld by ION Geophysical Corporation upon the vesting of restricted stock shares to satisfy tax withholding obligations."}],"balance_after":52471,"source":{"system":"sec-edgar","filing":"0001209191-21-027898","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/866609/000120919121027898/doc4.xml","form_type":"4"}},{"id":2743563,"issuer":{"id":125074,"kind":"organization","name":"ION GEOPHYSICAL CORP","symbol":"IO"},"owners":[{"id":17949,"kind":"person","name":"MORRISON MICHAEL L","position":1,"cik":"0001228756","reported_name":"MORRISON MICHAEL L","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP & CFO"}}],"security":"Common Stock","published_at":"2021-04-21T21:28:12.000Z","date":"2021-04-19","kind":"tax_withholding","acquired":false,"shares":2476,"price":2.16,"value":5348.16,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"These shares were not sold, but were withheld by ION Geophysical Corporation upon the vesting of restricted stock shares to satisfy tax withholding obligations."}],"balance_after":55692,"source":{"system":"sec-edgar","filing":"0001209191-21-027898","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/866609/000120919121027898/doc4.xml","form_type":"4"}},{"id":2743558,"issuer":{"id":125074,"kind":"organization","name":"ION GEOPHYSICAL CORP","symbol":"IO"},"owners":[{"id":17949,"kind":"person","name":"MORRISON MICHAEL L","position":1,"cik":"0001228756","reported_name":"MORRISON MICHAEL L","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP & CFO"}}],"security":"Common Stock","published_at":"2021-04-21T21:02:48.000Z","date":"2021-04-19","kind":"tax_withholding","acquired":false,"shares":3221,"price":2.16,"value":6957.36,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"These shares were not sold, but were withheld by ION Geophysical Corporation upon the vesting of restricted stock shares to satisfy tax withholding obligations."}],"balance_after":52471,"source":{"system":"sec-edgar","filing":"0001209191-21-027895","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/866609/000120919121027895/doc4.xml","form_type":"4"}},{"id":2743557,"issuer":{"id":125074,"kind":"organization","name":"ION GEOPHYSICAL CORP","symbol":"IO"},"owners":[{"id":17949,"kind":"person","name":"MORRISON MICHAEL L","position":1,"cik":"0001228756","reported_name":"MORRISON MICHAEL L","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP & CFO"}}],"security":"Common Stock","published_at":"2021-04-21T21:02:48.000Z","date":"2021-04-19","kind":"tax_withholding","acquired":false,"shares":2476,"price":2.16,"value":5348.16,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"These shares were not sold, but were withheld by ION Geophysical Corporation upon the vesting of restricted stock shares to satisfy tax withholding obligations."}],"balance_after":55692,"source":{"system":"sec-edgar","filing":"0001209191-21-027895","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/866609/000120919121027895/doc4.xml","form_type":"4"}},{"id":2801669,"issuer":{"id":125074,"kind":"organization","name":"ION GEOPHYSICAL CORP","symbol":"IO"},"owners":[{"id":17949,"kind":"person","name":"MORRISON MICHAEL L","position":1,"cik":"0001228756","reported_name":"MORRISON MICHAEL L","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP & CFO"}}],"security":"Common Stock","published_at":"2021-03-09T16:52:20.000Z","date":"2021-03-05","kind":"tax_withholding","acquired":false,"shares":2971,"price":2.63,"value":7813.73,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"These shares were not sold, but were withheld by ION Geophysical Corporation upon the vesting of restricted stock shares to satisfy tax withholding obligations."}],"balance_after":58168,"source":{"system":"sec-edgar","filing":"0001209191-21-019067","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/866609/000120919121019067/doc4.xml","form_type":"4"}},{"id":3223450,"issuer":{"id":125074,"kind":"organization","name":"ION GEOPHYSICAL CORP","symbol":"IO"},"owners":[{"id":17949,"kind":"person","name":"MORRISON MICHAEL L","position":1,"cik":"0001228756","reported_name":"MORRISON MICHAEL L","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP & CFO (Interim)"}}],"security":"Common Stock","published_at":"2020-03-06T16:33:38.000Z","date":"2020-03-05","kind":"grant","acquired":true,"shares":25000,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F2","text":"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."}],"balance_after":61139,"source":{"system":"sec-edgar","filing":"0001209191-20-016931","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/866609/000120919120016931/doc4.xml","form_type":"4"}},{"id":3223449,"issuer":{"id":125074,"kind":"organization","name":"ION GEOPHYSICAL CORP","symbol":"IO"},"owners":[{"id":17949,"kind":"person","name":"MORRISON MICHAEL L","position":1,"cik":"0001228756","reported_name":"MORRISON MICHAEL L","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP & CFO (Interim)"}}],"security":"Common Stock","published_at":"2020-03-06T16:33:38.000Z","date":"2020-03-05","kind":"grant","acquired":true,"shares":25000,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"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."}],"balance_after":36139,"source":{"system":"sec-edgar","filing":"0001209191-20-016931","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/866609/000120919120016931/doc4.xml","form_type":"4"}},{"id":3260816,"issuer":{"id":125074,"kind":"organization","name":"ION GEOPHYSICAL CORP","symbol":"IO"},"owners":[{"id":17949,"kind":"person","name":"MORRISON MICHAEL L","position":1,"cik":"0001228756","reported_name":"MORRISON MICHAEL L","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP & CFO (Interim)"}}],"security":"Common Stock","published_at":"2020-02-20T16:14:26.000Z","date":"2020-02-18","kind":"purchase","acquired":true,"shares":1163,"price":4.3,"value":5000.9,"ownership":{"direct":true},"balance_after":11139,"source":{"system":"sec-edgar","filing":"0001209191-20-011050","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/866609/000120919120011050/doc4.xml","form_type":"4"}}]}