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The Advisor may be deemed to have an indirect pecuniary interest in the securities reported herein because the Advisor has the right to receive the director compensation provided in respect of Ms. Hukkelhoven's board service through a partial management fee offset. Joseph Edelman (\"Mr. Edelman\") is the managing member of the Advisor. 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Perceptive Credit Advisors LLC (\"Perceptive Credit Advisors\") serves as the investment advisor to Credit Fund III and as a relying advisor under the Advisor. Mr. Edelman is the managing member of Perceptive Credit Advisors. Each of Perceptive Credit Advisors, the Advisor and Mr. Edelman disclaims, for purposes of Section 16 of the Securities Exchange Act of 1934, beneficial ownership of such securities, except to the extent of his/its indirect pecuniary interest therein, and this report shall not be deemed an admission that any of Perceptive Credit Advisors, the Advisor and Mr. Edelman is the beneficial owner of such securities for purposes of Section 16 or for any other purposes."}],"balance_after":300000,"derivative":{"exercise_price":8,"exercise_date":"2026-03-25","expiration_date":"2027-08-02","underlying":"Ordinary Shares","underlying_shares":300000},"source":{"system":"sec-edgar","filing":"0001193125-26-174407","document":"ownership.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":7,"url":"https://www.sec.gov/Archives/edgar/data/1164426/000119312526174407/ownership.xml","form_type":"4"}},{"id":801994,"issuer":{"id":4734,"kind":"organization","name":"MeiraGTx Holdings plc","symbol":"MGTX"},"owners":[{"id":19219,"kind":"person","name":"PERCEPTIVE ADVISORS LLC","position":1,"cik":"0001224962","reported_name":"PERCEPTIVE ADVISORS LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":19220,"kind":"person","name":"EDELMAN JOSEPH","position":2,"cik":"0001164426","reported_name":"EDELMAN JOSEPH","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":19221,"kind":"person","name":"PERCEPTIVE LIFE SCIENCES MASTER FUND LTD","position":3,"cik":"0001249675","reported_name":"PERCEPTIVE LIFE SCIENCES MASTER FUND LTD","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Warrant (Right to Buy)","published_at":"2026-04-24T00:59:00.000Z","date":"2026-03-25","kind":"grant","planned":false,"acquired":true,"shares":400000,"ownership":{"direct":false,"nature":"See Footnote"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F3","text":"On March 25, 2026, the Issuer, Credit Fund III, and the other parties to the Financing Agreement entered into an agreement whereby the exercise price of the warrants was adjusted to $8.00 per share."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"Issued to Perceptive Credit Holdings III, LP (\"Credit Fund III\") in connection with the senior secured financing arrangement (the \"Financing Agreement\") by and among the Issuer, PCH III, and the other parties thereto. Perceptive Credit Advisors LLC (\"Perceptive Credit Advisors\") serves as the investment advisor to Credit Fund III and as a relying advisor under the Advisor. Mr. Edelman is the managing member of Perceptive Credit Advisors. Each of Perceptive Credit Advisors, the Advisor and Mr. Edelman disclaims, for purposes of Section 16 of the Securities Exchange Act of 1934, beneficial ownership of such securities, except to the extent of his/its indirect pecuniary interest therein, and this report shall not be deemed an admission that any of Perceptive Credit Advisors, the Advisor and Mr. Edelman is the beneficial owner of such securities for purposes of Section 16 or for any other purposes."}],"balance_after":400000,"derivative":{"exercise_price":8,"exercise_date":"2026-03-25","expiration_date":"2027-08-02","underlying":"Ordinary Shares","underlying_shares":400000},"source":{"system":"sec-edgar","filing":"0001193125-26-174407","document":"ownership.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":6,"url":"https://www.sec.gov/Archives/edgar/data/1164426/000119312526174407/ownership.xml","form_type":"4"}},{"id":801993,"issuer":{"id":4734,"kind":"organization","name":"MeiraGTx Holdings plc","symbol":"MGTX"},"owners":[{"id":19219,"kind":"person","name":"PERCEPTIVE ADVISORS LLC","position":1,"cik":"0001224962","reported_name":"PERCEPTIVE ADVISORS LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":19220,"kind":"person","name":"EDELMAN JOSEPH","position":2,"cik":"0001164426","reported_name":"EDELMAN JOSEPH","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":19221,"kind":"person","name":"PERCEPTIVE LIFE SCIENCES MASTER FUND LTD","position":3,"cik":"0001249675","reported_name":"PERCEPTIVE LIFE SCIENCES MASTER FUND LTD","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Warrant (Right to Buy)","published_at":"2026-04-24T00:59:00.000Z","date":"2026-03-25","kind":"disposition_to_issuer","planned":false,"acquired":false,"shares":300000,"ownership":{"direct":false,"nature":"See Footnote"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F3","text":"On March 25, 2026, the Issuer, Credit Fund III, and the other parties to the Financing Agreement entered into an agreement whereby the exercise price of the warrants was adjusted to $8.00 per share."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"Issued to Perceptive Credit Holdings III, LP (\"Credit Fund III\") in connection with the senior secured financing arrangement (the \"Financing Agreement\") by and among the Issuer, PCH III, and the other parties thereto. Perceptive Credit Advisors LLC (\"Perceptive Credit Advisors\") serves as the investment advisor to Credit Fund III and as a relying advisor under the Advisor. Mr. Edelman is the managing member of Perceptive Credit Advisors. 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Perceptive Credit Advisors LLC (\"Perceptive Credit Advisors\") serves as the investment advisor to Credit Fund III and as a relying advisor under the Advisor. Mr. Edelman is the managing member of Perceptive Credit Advisors. 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Perceptive Credit Advisors LLC (\"Perceptive Credit Advisors\") serves as the investment advisor to Credit Fund III and as a relying advisor under the Advisor. Mr. Edelman is the managing member of Perceptive Credit Advisors. Each of Perceptive Credit Advisors, the Advisor and Mr. Edelman disclaims, for purposes of Section 16 of the Securities Exchange Act of 1934, beneficial ownership of such securities, except to the extent of his/its indirect pecuniary interest therein, and this report shall not be deemed an admission that any of Perceptive Credit Advisors, the Advisor and Mr. Edelman is the beneficial owner of such securities for purposes of Section 16 or for any other purposes."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"Issued to Perceptive Credit Holdings III, LP (\"Credit Fund III\") in connection with the senior secured financing arrangement (the \"Financing Agreement\") by and among the Issuer, PCH III, and the other parties thereto. Perceptive Credit Advisors LLC (\"Perceptive Credit Advisors\") serves as the investment advisor to Credit Fund III and as a relying advisor under the Advisor. Mr. Edelman is the managing member of Perceptive Credit Advisors. 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The restricted share units become settleable when Ellen Hukkelhoven (\"Ms. Hukkelhoven\") ceases to be a director of the Issuer."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"The restricted share units shall vest in a single annual installment upon the earlier of (i) June 12, 2026 or (ii) the day immediately prior to the date of the Issuer's annual meeting of shareholders in 2026."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F2","text":"The restricted share units shall vest in a single annual installment upon the earlier of (i) June 12, 2026 or (ii) the day immediately prior to the date of the Issuer's annual meeting of shareholders in 2026."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"Ms. Hukkelhoven is a Managing Director of Perceptive Advisors, LLC (the \"Advisor\"). The Advisor serves as the investment manager of Perceptive Life Sciences Master Fund Ltd. (the \"Master Fund\"). The Advisor may be deemed to have an indirect pecuniary interest in the securities reported herein because the Advisor has the right to receive the director compensation provided in respect of Ms. Hukkelhoven's board service through a partial management fee offset. Joseph Edelman (\"Mr. Edelman\") is the managing member of the Advisor. Each of Mr. Edelman, the Master Fund and the Advisor disclaim, for purposes of Section 16 of the Securities Exchange Act of 1934, beneficial ownership of such securities, except to the extent of his/its indirect pecuniary interest therein, and this report shall not be deemed an admission that either Mr. Edelman, the Master Fund or the Advisor is the beneficial owner of such securities for purposes of Section 16 or for any other purposes."}],"balance_after":45000,"derivative":{"underlying":"Ordinary Shares","underlying_shares":45000},"source":{"system":"sec-edgar","filing":"0001062993-25-011743","document":"form4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1164426/000106299325011743/form4.xml","form_type":"4"}},{"id":1117978,"issuer":{"id":4734,"kind":"organization","name":"MeiraGTx Holdings plc","symbol":"MGTX"},"owners":[{"id":38185,"kind":"person","name":"Harris Keith R.","position":1,"cik":"0001742703","reported_name":"Harris Keith R.","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Restricted Share Units","published_at":"2025-06-10T00:57:34.000Z","date":"2025-06-06","kind":"exercise","planned":false,"acquired":false,"shares":75000,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Each restricted share unit converts into one ordinary share upon vesting."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"The restricted share units vest in a single annual installment upon the earlier of (i) June 6, 2025 or (ii) the day immediately prior to the date of the Issuer's annual meeting of shareholders in 2025."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F2","text":"The restricted share units vest in a single annual installment upon the earlier of (i) June 6, 2025 or (ii) the day immediately prior to the date of the Issuer's annual meeting of shareholders in 2025."}],"balance_after":0,"derivative":{"underlying":"Ordinary Shares","underlying_shares":75000},"source":{"system":"sec-edgar","filing":"0001415889-25-016391","document":"form4-06102025_120626.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1735438/000141588925016391/form4-06102025_120626.xml","form_type":"4"}},{"id":1117977,"issuer":{"id":4734,"kind":"organization","name":"MeiraGTx Holdings plc","symbol":"MGTX"},"owners":[{"id":38185,"kind":"person","name":"Harris Keith R.","position":1,"cik":"0001742703","reported_name":"Harris Keith R.","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Ordinary Shares","published_at":"2025-06-10T00:57:34.000Z","date":"2025-06-06","kind":"exercise","planned":false,"acquired":true,"shares":75000,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Each restricted share unit converts into one ordinary share upon vesting."}],"balance_after":125000,"source":{"system":"sec-edgar","filing":"0001415889-25-016391","document":"form4-06102025_120626.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1735438/000141588925016391/form4-06102025_120626.xml","form_type":"4"}},{"id":1167763,"issuer":{"id":4734,"kind":"organization","name":"MeiraGTx Holdings plc","symbol":"MGTX"},"owners":[{"id":29301,"kind":"person","name":"Giroux Richard","position":1,"cik":"0001742734","reported_name":"Giroux Richard","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CFO & COO"}}],"security":"Ordinary Shares","published_at":"2025-04-23T00:54:27.000Z","date":"2025-04-22","kind":"sale","planned":true,"acquired":false,"shares":24000,"price":6,"value":144000.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on August 29, 2024."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The price reported reflects the weighted average sales price. The shares were sold in multiple transactions at prices ranging from $5.795 to $6.23, inclusive."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"The reporting person undertakes to provide to the SEC staff, the issuer, or a security holder of the issuer, upon request, full information regarding the number of shares sold at each separate price."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F4","text":"Amount of securities beneficially owned has been adjusted down by one share due to a rounding error on a prior report."}],"balance_after":882494,"source":{"system":"sec-edgar","filing":"0001415889-25-011189","document":"form4-04232025_120424.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1735438/000141588925011189/form4-04232025_120424.xml","form_type":"4"}},{"id":1175655,"issuer":{"id":4734,"kind":"organization","name":"MeiraGTx Holdings plc","symbol":"MGTX"},"owners":[{"id":22258,"kind":"person","name":"Forbes Alexandria","position":1,"cik":"0001678604","reported_name":"Forbes Alexandria","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"PRESIDENT & CEO"}}],"security":"Ordinary Shares","published_at":"2025-04-09T01:05:58.000Z","date":"2025-04-08","kind":"sale","planned":true,"acquired":false,"shares":47500,"price":5.34,"value":253650.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on August 21, 2024."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The price reported reflects the weighted average sales price. The shares were sold in multiple transactions at prices ranging from $5.10 to $5.92, inclusive."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"The reporting person undertakes to provide to the SEC staff, the issuer, or a security holder of the issuer, upon request, full information regarding the number of shares sold at each separate price."}],"balance_after":1408983,"source":{"system":"sec-edgar","filing":"0001415889-25-010444","document":"form4-04092025_010454.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1735438/000141588925010444/form4-04092025_010454.xml","form_type":"4"}}],"next_cursor":"2025-04-09T01:05:58.000000Z,1175655"}