{"transactions":[{"id":689736,"issuer":{"id":3439,"kind":"organization","name":"ICON PLC","symbol":"ICLR"},"owners":[{"id":24300,"kind":"person","name":"Murray Ciaran","position":1,"cik":"0001973437","reported_name":"Murray Ciaran","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Restricted Share Units","published_at":"2026-08-12T21:00:33.000Z","date":"2026-08-10","kind":"grant","planned":false,"acquired":true,"shares":2047,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F2","text":"Each restricted share unit represents a contingent right to receive one ordinary share of the Issuer upon vesting, with a nominal conversion price equal to the par value of the ordinary shares (EUR 0.06) per underlying share automatically deducted from the reporting person's pay in connection with vesting."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F8","text":"These restricted share units were granted on August 10, 2026 and are scheduled to vest on May 22, 2027."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F8","text":"These restricted share units were granted on August 10, 2026 and are scheduled to vest on May 22, 2027."},{"field":"derivative.underlying","element":"underlyingSecurityTitle","label":"F8","text":"These restricted share units were granted on August 10, 2026 and are scheduled to vest on May 22, 2027."}],"balance_after":2047,"derivative":{"underlying":"Ordinary Shares","underlying_shares":2047},"source":{"system":"sec-edgar","filing":"0001628280-26-056326","document":"wk-form4_1786568429.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":7,"url":"https://www.sec.gov/Archives/edgar/data/1060955/000162828026056326/wk-form4_1786568429.xml","form_type":"4"}},{"id":689735,"issuer":{"id":3439,"kind":"organization","name":"ICON PLC","symbol":"ICLR"},"owners":[{"id":24300,"kind":"person","name":"Murray Ciaran","position":1,"cik":"0001973437","reported_name":"Murray Ciaran","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Restricted Share Units","published_at":"2026-08-12T21:00:33.000Z","date":"2026-08-10","kind":"exercise","planned":false,"acquired":false,"shares":2677,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F2","text":"Each restricted share unit represents a contingent right to receive one ordinary share of the Issuer upon vesting, with a nominal conversion price equal to the par value of the ordinary shares (EUR 0.06) per underlying share automatically deducted from the reporting person's pay in connection with vesting."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"These restricted share units were granted on May 22, 2025 and vested on August 10, 2026."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F1","text":"These restricted share units were granted on May 22, 2025 and vested on August 10, 2026."}],"balance_after":0,"derivative":{"underlying":"Ordinary Shares","underlying_shares":2677},"source":{"system":"sec-edgar","filing":"0001628280-26-056326","document":"wk-form4_1786568429.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":6,"url":"https://www.sec.gov/Archives/edgar/data/1060955/000162828026056326/wk-form4_1786568429.xml","form_type":"4"}},{"id":689734,"issuer":{"id":3439,"kind":"organization","name":"ICON PLC","symbol":"ICLR"},"owners":[{"id":24300,"kind":"person","name":"Murray Ciaran","position":1,"cik":"0001973437","reported_name":"Murray Ciaran","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Ordinary Shares","published_at":"2026-08-12T21:00:33.000Z","date":"2026-08-11","kind":"sale","planned":false,"acquired":false,"shares":212,"price":165.51,"value":35088.12,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F3","text":"The Reporting Person sold all shares that vested on August 10, 2026, including shares to cover tax withholding obligations in connection with the vesting of compensatory equity awards."},{"field":"price","element":"transactionPricePerShare","label":"F7","text":"The price reported in Column 4 is a weighted average price. These shares were sold in multiple aggregated transactions at prices within the range of $165.16 to $166.1599, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the issuer, 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(s) set forth in this footnote of this Form 4."}],"balance_after":20452,"source":{"system":"sec-edgar","filing":"0001628280-26-056326","document":"wk-form4_1786568429.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1060955/000162828026056326/wk-form4_1786568429.xml","form_type":"4"}},{"id":689733,"issuer":{"id":3439,"kind":"organization","name":"ICON PLC","symbol":"ICLR"},"owners":[{"id":24300,"kind":"person","name":"Murray Ciaran","position":1,"cik":"0001973437","reported_name":"Murray Ciaran","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Ordinary Shares","published_at":"2026-08-12T21:00:33.000Z","date":"2026-08-11","kind":"sale","planned":false,"acquired":false,"shares":1880,"price":164.47,"value":309203.6,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F3","text":"The Reporting Person sold all shares that vested on August 10, 2026, including shares to cover tax withholding obligations in connection with the vesting of compensatory equity awards."},{"field":"price","element":"transactionPricePerShare","label":"F6","text":"The price reported in Column 4 is a weighted average price. These shares were sold in multiple aggregated transactions at prices within the range of $164.16 to $165.1599, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the issuer, 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(s) set forth in this footnote of this Form 4."}],"balance_after":20664,"source":{"system":"sec-edgar","filing":"0001628280-26-056326","document":"wk-form4_1786568429.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1060955/000162828026056326/wk-form4_1786568429.xml","form_type":"4"}},{"id":689732,"issuer":{"id":3439,"kind":"organization","name":"ICON PLC","symbol":"ICLR"},"owners":[{"id":24300,"kind":"person","name":"Murray Ciaran","position":1,"cik":"0001973437","reported_name":"Murray Ciaran","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Ordinary Shares","published_at":"2026-08-12T21:00:33.000Z","date":"2026-08-11","kind":"sale","planned":false,"acquired":false,"shares":305,"price":163.77,"value":49949.85,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F3","text":"The Reporting Person sold all shares that vested on August 10, 2026, including shares to cover tax withholding obligations in connection with the vesting of compensatory equity awards."},{"field":"price","element":"transactionPricePerShare","label":"F5","text":"The price reported in Column 4 is a weighted average price. These shares were sold in multiple aggregated transactions at prices within the range of $163.15 to $164.1499, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the issuer, 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(s) set forth in this footnote of this Form 4."}],"balance_after":22544,"source":{"system":"sec-edgar","filing":"0001628280-26-056326","document":"wk-form4_1786568429.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1060955/000162828026056326/wk-form4_1786568429.xml","form_type":"4"}},{"id":689731,"issuer":{"id":3439,"kind":"organization","name":"ICON PLC","symbol":"ICLR"},"owners":[{"id":24300,"kind":"person","name":"Murray Ciaran","position":1,"cik":"0001973437","reported_name":"Murray Ciaran","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Ordinary Shares","published_at":"2026-08-12T21:00:33.000Z","date":"2026-08-11","kind":"sale","planned":false,"acquired":false,"shares":280,"price":162.72,"value":45561.6,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F3","text":"The Reporting Person sold all shares that vested on August 10, 2026, including shares to cover tax withholding obligations in connection with the vesting of compensatory equity awards."},{"field":"price","element":"transactionPricePerShare","label":"F4","text":"The price reported in Column 4 is a weighted average price. These shares were sold in multiple aggregated transactions at prices within the range of $162.08 to $163.0799, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the issuer, 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(s) set forth in this footnote of this Form 4."}],"balance_after":22849,"source":{"system":"sec-edgar","filing":"0001628280-26-056326","document":"wk-form4_1786568429.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1060955/000162828026056326/wk-form4_1786568429.xml","form_type":"4"}},{"id":689730,"issuer":{"id":3439,"kind":"organization","name":"ICON PLC","symbol":"ICLR"},"owners":[{"id":24300,"kind":"person","name":"Murray Ciaran","position":1,"cik":"0001973437","reported_name":"Murray Ciaran","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Ordinary Shares","published_at":"2026-08-12T21:00:33.000Z","date":"2026-08-10","kind":"exercise","planned":false,"acquired":true,"shares":2677,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"These restricted share units were granted on May 22, 2025 and vested on August 10, 2026."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"Each restricted share unit represents a contingent right to receive one ordinary share of the Issuer upon vesting, with a nominal conversion price equal to the par value of the ordinary shares (EUR 0.06) per underlying share automatically deducted from the reporting person's pay in connection with vesting."}],"balance_after":23129,"source":{"system":"sec-edgar","filing":"0001628280-26-056326","document":"wk-form4_1786568429.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1060955/000162828026056326/wk-form4_1786568429.xml","form_type":"4"}}]}