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The reporting person undertakes to provide to International Business Machines Corporation (IBM), any security holder of IBM, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote (1) to this Form 4."}],"balance_after":47800.35,"source":{"system":"sec-edgar","filing":"0002005007-26-000005","document":"primarydocument.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/51143/000200500726000005/primarydocument.xml","form_type":"4"}},{"id":312475,"issuer":{"id":2840,"kind":"organization","name":"INTERNATIONAL BUSINESS MACHINES CORP","symbol":"IBM"},"owners":[{"id":14209,"kind":"person","name":"Thomas Robert David","position":1,"cik":"0002005007","reported_name":"Thomas Robert David","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Senior Vice President"}}],"security":"Emp. 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All expire on the expiration date shown above."}],"balance_after":42258,"derivative":{"exercise_price":243.22,"exercise_date":"2027-02-26","expiration_date":"2036-02-25","underlying":"Common Stock","underlying_shares":42258},"source":{"system":"sec-edgar","filing":"0002005007-26-000004","document":"primarydocument.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/51143/000200500726000004/primarydocument.xml","form_type":"4"}},{"id":312474,"issuer":{"id":2840,"kind":"organization","name":"INTERNATIONAL BUSINESS MACHINES CORP","symbol":"IBM"},"owners":[{"id":14209,"kind":"person","name":"Thomas Robert David","position":1,"cik":"0002005007","reported_name":"Thomas Robert David","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Senior Vice President"}}],"security":"Rst. 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The restrictions lapse for 2,641 of these units on February 26, 2027, 2,641 of these units on February 26, 2028, 2,641 of these units on February 26, 2029, and 2,642 of these units on February 26, 2030."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"Upon lapse of the restrictions, these units are payable in cash or the company's common stock. The restrictions lapse for 2,641 of these units on February 26, 2027, 2,641 of these units on February 26, 2028, 2,641 of these units on February 26, 2029, and 2,642 of these units on February 26, 2030."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F1","text":"Upon lapse of the restrictions, these units are payable in cash or the company's common stock. The restrictions lapse for 2,641 of these units on February 26, 2027, 2,641 of these units on February 26, 2028, 2,641 of these units on February 26, 2029, and 2,642 of these units on February 26, 2030."}],"balance_after":10565,"derivative":{"exercise_price":0,"underlying":"Common Stock","underlying_shares":10565},"source":{"system":"sec-edgar","filing":"0002005007-26-000004","document":"primarydocument.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/51143/000200500726000004/primarydocument.xml","form_type":"4"}},{"id":312892,"issuer":{"id":2840,"kind":"organization","name":"INTERNATIONAL BUSINESS MACHINES CORP","symbol":"IBM"},"owners":[{"id":14209,"kind":"person","name":"Thomas Robert David","position":1,"cik":"0002005007","reported_name":"Thomas Robert David","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Senior Vice President"}}],"security":"Rst. 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The restrictions lapse for 2,666 of these units on February 21, 2025, 2,667 of these units on February 21, 2026, 2,666 of these units on February 21, 2027, and 2,667 of these units on February 21, 2028."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"Upon lapse of the restrictions, these units are payable in cash or the company's common stock. The restrictions lapse for 2,666 of these units on February 21, 2025, 2,667 of these units on February 21, 2026, 2,666 of these units on February 21, 2027, and 2,667 of these units on February 21, 2028."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F1","text":"Upon lapse of the restrictions, these units are payable in cash or the company's common stock. The restrictions lapse for 2,666 of these units on February 21, 2025, 2,667 of these units on February 21, 2026, 2,666 of these units on February 21, 2027, and 2,667 of these units on February 21, 2028."}],"balance_after":10666,"derivative":{"exercise_price":0,"underlying":"Common Stock","underlying_shares":10666},"source":{"system":"sec-edgar","filing":"0001562180-24-001707","document":"primarydocument.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/51143/000156218024001707/primarydocument.xml","form_type":"4"}},{"id":339232,"issuer":{"id":2840,"kind":"organization","name":"INTERNATIONAL BUSINESS MACHINES CORP","symbol":"IBM"},"owners":[{"id":14209,"kind":"person","name":"Thomas Robert David","position":1,"cik":"0002005007","reported_name":"Thomas Robert David","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Senior Vice President"}}],"security":"Common Stock","published_at":"2024-02-23T22:29:56.000Z","date":"2024-02-21","kind":"tax_withholding","planned":false,"acquired":false,"shares":1572,"price":180.87,"value":284327.64,"ownership":{"direct":true},"balance_after":59479.301,"source":{"system":"sec-edgar","filing":"0001562180-24-001707","document":"primarydocument.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/51143/000156218024001707/primarydocument.xml","form_type":"4"}},{"id":339231,"issuer":{"id":2840,"kind":"organization","name":"INTERNATIONAL BUSINESS MACHINES CORP","symbol":"IBM"},"owners":[{"id":14209,"kind":"person","name":"Thomas Robert David","position":1,"cik":"0002005007","reported_name":"Thomas Robert David","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Senior Vice President"}}],"security":"Common Stock","published_at":"2024-02-23T22:29:56.000Z","date":"2024-02-21","kind":"exercise","planned":false,"acquired":true,"shares":3115,"price":0,"value":0.0,"ownership":{"direct":true},"balance_after":61051.301,"source":{"system":"sec-edgar","filing":"0001562180-24-001707","document":"primarydocument.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/51143/000156218024001707/primarydocument.xml","form_type":"4"}},{"id":339230,"issuer":{"id":2840,"kind":"organization","name":"INTERNATIONAL BUSINESS MACHINES CORP","symbol":"IBM"},"owners":[{"id":14209,"kind":"person","name":"Thomas Robert David","position":1,"cik":"0002005007","reported_name":"Thomas Robert David","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Senior Vice President"}}],"security":"Common Stock","published_at":"2024-02-23T22:29:56.000Z","date":"2024-02-21","kind":"tax_withholding","planned":false,"acquired":false,"shares":1326,"price":180.87,"value":239833.62,"ownership":{"direct":true},"balance_after":57936.301,"source":{"system":"sec-edgar","filing":"0001562180-24-001707","document":"primarydocument.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/51143/000156218024001707/primarydocument.xml","form_type":"4"}},{"id":339229,"issuer":{"id":2840,"kind":"organization","name":"INTERNATIONAL BUSINESS MACHINES CORP","symbol":"IBM"},"owners":[{"id":14209,"kind":"person","name":"Thomas Robert David","position":1,"cik":"0002005007","reported_name":"Thomas Robert David","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Senior Vice President"}}],"security":"Common Stock","published_at":"2024-02-23T22:29:56.000Z","date":"2024-02-21","kind":"exercise","planned":false,"acquired":true,"shares":2628,"price":0,"value":0.0,"ownership":{"direct":true},"balance_after":59262.301,"source":{"system":"sec-edgar","filing":"0001562180-24-001707","document":"primarydocument.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/51143/000156218024001707/primarydocument.xml","form_type":"4"}},{"id":340405,"issuer":{"id":2840,"kind":"organization","name":"INTERNATIONAL BUSINESS MACHINES CORP","symbol":"IBM"},"owners":[{"id":14209,"kind":"person","name":"Thomas Robert David","position":1,"cik":"0002005007","reported_name":"Thomas Robert David","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Senior Vice President"}}],"security":"Rst. 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In connection with the spin-off of Kyndryl Holdings, Inc. on November 3, 2021, unvested Issuer restricted stock units were adjusted to reflect additional restricted stock units, which additional restricted stock units are included in the figures above."},{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F2","text":"These units were payable in cash or the company's common stock upon the lapse of the restrictions on the transaction date shown."},{"field":"kind","element":"transactionCoding","label":"F3","text":"Release of restricted stock units."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"These units were payable in cash or the company's common stock upon the lapse of the restrictions on the transaction date shown."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F2","text":"These units were payable in cash or the company's common stock upon the lapse of the restrictions on the transaction date shown."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F1","text":"On 02/11/2020, the reporting person was granted 35,601 RSUs, 21,360 of which vested 02/11/24, and 14,241 of which will vest on 02/11/25.  In connection with the spin-off of Kyndryl Holdings, Inc. on November 3, 2021, unvested Issuer restricted stock units were adjusted to reflect additional restricted stock units, which additional restricted stock units are included in the figures above."}],"balance_after":14714,"derivative":{"exercise_price":0,"underlying":"Common Stock","underlying_shares":22068},"source":{"system":"sec-edgar","filing":"0001562180-24-001280","document":"primarydocument.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/51143/000156218024001280/primarydocument.xml","form_type":"4"}},{"id":340404,"issuer":{"id":2840,"kind":"organization","name":"INTERNATIONAL BUSINESS MACHINES CORP","symbol":"IBM"},"owners":[{"id":14209,"kind":"person","name":"Thomas Robert David","position":1,"cik":"0002005007","reported_name":"Thomas Robert David","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Senior Vice President"}}],"security":"Common Stock","published_at":"2024-02-13T21:17:06.000Z","date":"2024-02-11","kind":"tax_withholding","planned":false,"acquired":false,"shares":10346,"price":185.515,"value":1919338.19,"ownership":{"direct":true},"balance_after":56634.301,"source":{"system":"sec-edgar","filing":"0001562180-24-001280","document":"primarydocument.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/51143/000156218024001280/primarydocument.xml","form_type":"4"}},{"id":340403,"issuer":{"id":2840,"kind":"organization","name":"INTERNATIONAL BUSINESS MACHINES CORP","symbol":"IBM"},"owners":[{"id":14209,"kind":"person","name":"Thomas Robert David","position":1,"cik":"0002005007","reported_name":"Thomas Robert David","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Senior Vice President"}}],"security":"Common Stock","published_at":"2024-02-13T21:17:06.000Z","date":"2024-02-11","kind":"exercise","planned":false,"acquired":true,"shares":22068,"price":0,"value":0.0,"ownership":{"direct":true},"balance_after":66980.301,"source":{"system":"sec-edgar","filing":"0001562180-24-001280","document":"primarydocument.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/51143/000156218024001280/primarydocument.xml","form_type":"4"}},{"id":340529,"issuer":{"id":2840,"kind":"organization","name":"INTERNATIONAL BUSINESS MACHINES CORP","symbol":"IBM"},"owners":[{"id":14209,"kind":"person","name":"Thomas Robert David","position":1,"cik":"0002005007","reported_name":"Thomas Robert David","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Senior Vice President"}}],"security":"Phantom Stock Unit","published_at":"2024-02-12T23:45:10.000Z","date":"2024-02-08","kind":"grant","planned":false,"acquired":true,"shares":1,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Phantom stock units convert to the cash value of the company's common stock on a one-for-one basis."},{"field":"kind","element":"transactionCoding","label":"F2","text":"Acquisition of phantom stock units under the IBM Excess Savings Plan (formerly known as the IBM Excess 401(k) Plus Plan)."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F3","text":"Distribution of phantom stock units under the IBM Excess Savings Plan (formerly known as the IBM Excess 401(k) Plus Plan) is deferred until separation from the company.  The reporting person may transfer these phantom stock units into an alternative investment account under such plan."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F3","text":"Distribution of phantom stock units under the IBM Excess Savings Plan (formerly known as the IBM Excess 401(k) Plus Plan) is deferred until separation from the company.  The reporting person may transfer these phantom stock units into an alternative investment account under such plan."}],"balance_after":5,"derivative":{"exercise_price":0,"underlying":"Common Stock","underlying_shares":1},"source":{"system":"sec-edgar","filing":"0001562180-24-001259","document":"primarydocument.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/51143/000156218024001259/primarydocument.xml","form_type":"4"}},{"id":341239,"issuer":{"id":2840,"kind":"organization","name":"INTERNATIONAL BUSINESS MACHINES CORP","symbol":"IBM"},"owners":[{"id":14209,"kind":"person","name":"Thomas Robert David","position":1,"cik":"0002005007","reported_name":"Thomas Robert David","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Senior Vice President"}}],"security":"Common Stock","published_at":"2024-02-06T00:05:30.000Z","date":"2024-02-01","kind":"tax_withholding","planned":false,"acquired":false,"shares":10047,"price":185.175,"value":1860453.225,"ownership":{"direct":true},"balance_after":44912.301,"source":{"system":"sec-edgar","filing":"0001562180-24-001067","document":"primarydocument.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/51143/000156218024001067/primarydocument.xml","form_type":"4"}},{"id":341238,"issuer":{"id":2840,"kind":"organization","name":"INTERNATIONAL BUSINESS MACHINES CORP","symbol":"IBM"},"owners":[{"id":14209,"kind":"person","name":"Thomas Robert David","position":1,"cik":"0002005007","reported_name":"Thomas Robert David","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Senior Vice President"}}],"security":"Common Stock","published_at":"2024-02-06T00:05:30.000Z","date":"2024-02-01","kind":"grant","planned":false,"acquired":true,"shares":21477,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"These shares result from performance share units which vested at the end of the performance period (2021-2023) and were payable in cash or the company's common stock on the transaction date shown."}],"balance_after":54959.301,"source":{"system":"sec-edgar","filing":"0001562180-24-001067","document":"primarydocument.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/51143/000156218024001067/primarydocument.xml","form_type":"4"}}]}