{"transactions":[{"id":847069,"issuer":{"id":3120,"kind":"organization","name":"ARCH CAPITAL GROUP LTD.","symbol":"ACGL"},"owners":[{"id":61361,"kind":"person","name":"Papadopoulo Nicolas","position":1,"cik":"0001345284","reported_name":"Papadopoulo Nicolas","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CEO"}}],"security":"Stock Option (Right to Buy)","published_at":"2026-03-12T20:29:06.000Z","date":"2026-03-10","kind":"exercise","planned":false,"acquired":false,"shares":21930,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"This stock option is exercisable in three equal annual installments commencing May 13, 2017, and the next two installments on May 13, 2018 and May 13, 2019, subject to the applicable award agreement."}],"balance_after":0,"derivative":{"exercise_price":18.9,"expiration_date":"2026-05-13","underlying":"Common Shares, $.0011 par value per share","underlying_shares":21930},"source":{"system":"sec-edgar","filing":"0001345284-26-000005","document":"wk-form4_1773347343.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/947484/000134528426000005/wk-form4_1773347343.xml","form_type":"4"}},{"id":847068,"issuer":{"id":3120,"kind":"organization","name":"ARCH CAPITAL GROUP LTD.","symbol":"ACGL"},"owners":[{"id":61361,"kind":"person","name":"Papadopoulo Nicolas","position":1,"cik":"0001345284","reported_name":"Papadopoulo Nicolas","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CEO"}}],"security":"Common Shares, $.0011 par value per share","published_at":"2026-03-12T20:29:06.000Z","date":"2026-03-10","kind":"sale","planned":false,"acquired":false,"shares":21930,"price":96.3093,"value":2112062.949,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The price reported is a weighted average sale price. These shares were sold in multiple transactions at prices ranging from $96.00 to $96.54. Upon request, the full information regarding the number of shares sold at each separate price within the range will be provided to the issuer, any security holder of the issuer or the staff of the Securities Exchange Commission."}],"balance_after":871594,"source":{"system":"sec-edgar","filing":"0001345284-26-000005","document":"wk-form4_1773347343.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/947484/000134528426000005/wk-form4_1773347343.xml","form_type":"4"}},{"id":847067,"issuer":{"id":3120,"kind":"organization","name":"ARCH CAPITAL GROUP LTD.","symbol":"ACGL"},"owners":[{"id":61361,"kind":"person","name":"Papadopoulo Nicolas","position":1,"cik":"0001345284","reported_name":"Papadopoulo Nicolas","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CEO"}}],"security":"Common Shares, $.0011 par value per share","published_at":"2026-03-12T20:29:06.000Z","date":"2026-03-10","kind":"exercise","planned":false,"acquired":true,"shares":21930,"price":18.9,"value":414477.0,"ownership":{"direct":true},"balance_after":893524,"source":{"system":"sec-edgar","filing":"0001345284-26-000005","document":"wk-form4_1773347343.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/947484/000134528426000005/wk-form4_1773347343.xml","form_type":"4"}},{"id":859563,"issuer":{"id":3120,"kind":"organization","name":"ARCH CAPITAL GROUP LTD.","symbol":"ACGL"},"owners":[{"id":61361,"kind":"person","name":"Papadopoulo Nicolas","position":1,"cik":"0001345284","reported_name":"Papadopoulo Nicolas","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CEO"}}],"security":"Stock Option (Right to Buy)","published_at":"2026-03-05T21:18:03.000Z","date":"2026-03-03","kind":"grant","planned":false,"acquired":true,"shares":76243,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"This stock option is exercisable in three equal annual installments commencing March 3, 2027, and the next two installments on March 3, 2028 and March 3, 2029, subject to the applicable award agreement."}],"balance_after":76243,"derivative":{"exercise_price":100.48,"expiration_date":"2036-03-03","underlying":"Common Shares, $.0011 par value per share","underlying_shares":76243},"source":{"system":"sec-edgar","filing":"0001345284-26-000003","document":"wk-form4_1772745481.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/947484/000134528426000003/wk-form4_1772745481.xml","form_type":"4"}},{"id":859562,"issuer":{"id":3120,"kind":"organization","name":"ARCH CAPITAL GROUP LTD.","symbol":"ACGL"},"owners":[{"id":61361,"kind":"person","name":"Papadopoulo Nicolas","position":1,"cik":"0001345284","reported_name":"Papadopoulo Nicolas","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CEO"}}],"security":"Common Shares, $.0011 par value per share","published_at":"2026-03-05T21:18:03.000Z","date":"2026-03-03","kind":"grant","planned":false,"acquired":true,"shares":21318,"price":0,"value":0.0,"ownership":{"direct":true},"balance_after":871594,"source":{"system":"sec-edgar","filing":"0001345284-26-000003","document":"wk-form4_1772745481.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/947484/000134528426000003/wk-form4_1772745481.xml","form_type":"4"}},{"id":880419,"issuer":{"id":3120,"kind":"organization","name":"ARCH CAPITAL GROUP LTD.","symbol":"ACGL"},"owners":[{"id":61361,"kind":"person","name":"Papadopoulo Nicolas","position":1,"cik":"0001345284","reported_name":"Papadopoulo Nicolas","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CEO"}}],"security":"Common Shares, $.0011 par value per share","published_at":"2026-02-26T21:19:43.000Z","date":"2026-02-24","kind":"grant","planned":false,"acquired":true,"shares":46674,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F1","text":"Amount includes 248 Common Shares acquired on May 30, 2025 under the Arch Capital Group Ltd. Employee Share Purchase Plan."}],"balance_after":850276,"source":{"system":"sec-edgar","filing":"0001345284-26-000002","document":"wk-form4_1772140780.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/947484/000134528426000002/wk-form4_1772140780.xml","form_type":"4"}},{"id":1155379,"issuer":{"id":3120,"kind":"organization","name":"ARCH CAPITAL GROUP LTD.","symbol":"ACGL"},"owners":[{"id":61361,"kind":"person","name":"Papadopoulo Nicolas","position":1,"cik":"0001345284","reported_name":"Papadopoulo Nicolas","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CEO"}}],"security":"Stock Option (right to buy)","published_at":"2025-05-08T13:15:57.000Z","date":"2025-05-02","kind":"exercise","planned":false,"acquired":false,"shares":9213,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"The non-qualified stock option became exercisable in three equal annual installments; the first installment became exercisable on May 13, 2016 and the next two installments on May 13, 2017 and May 13, 2018 subject to the applicable award agreement."}],"balance_after":0,"derivative":{"exercise_price":15.835,"expiration_date":"2025-05-13","underlying":"Common Shares, $.0011 par value per share","underlying_shares":9213},"source":{"system":"sec-edgar","filing":"0001415889-25-012306","document":"form4a-05082025_010554.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/947484/000141588925012306/form4a-05082025_010554.xml","form_type":"4/A","original_submission_date":"2025-05-06"}},{"id":1155378,"issuer":{"id":3120,"kind":"organization","name":"ARCH CAPITAL GROUP LTD.","symbol":"ACGL"},"owners":[{"id":61361,"kind":"person","name":"Papadopoulo Nicolas","position":1,"cik":"0001345284","reported_name":"Papadopoulo Nicolas","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CEO"}}],"security":"Common Shares, $.0011 par value per share","published_at":"2025-05-08T13:15:57.000Z","date":"2025-05-02","kind":"tax_withholding","planned":false,"acquired":false,"shares":1577,"price":92.48,"value":145840.96,"ownership":{"direct":true},"footnotes":[{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F1","text":"This Form 4/A is being filed to correct an error in the Form 4 filed on May 6, 2025 (the \"Original Form 4\"), which inadvertently reported a sale of 7,636 shares on 05/02/2025; such sale did not occur. Other than the foregoing, no changes have been made to the Original Form 4."}],"balance_after":803354,"source":{"system":"sec-edgar","filing":"0001415889-25-012306","document":"form4a-05082025_010554.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/947484/000141588925012306/form4a-05082025_010554.xml","form_type":"4/A","original_submission_date":"2025-05-06"}},{"id":1155377,"issuer":{"id":3120,"kind":"organization","name":"ARCH CAPITAL GROUP LTD.","symbol":"ACGL"},"owners":[{"id":61361,"kind":"person","name":"Papadopoulo Nicolas","position":1,"cik":"0001345284","reported_name":"Papadopoulo Nicolas","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CEO"}}],"security":"Common Shares, $.0011 par value per share","published_at":"2025-05-08T13:15:57.000Z","date":"2025-05-02","kind":"exercise","planned":false,"acquired":true,"shares":9213,"price":15.835,"value":145887.855,"ownership":{"direct":true},"balance_after":804931,"source":{"system":"sec-edgar","filing":"0001415889-25-012306","document":"form4a-05082025_010554.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/947484/000141588925012306/form4a-05082025_010554.xml","form_type":"4/A","original_submission_date":"2025-05-06"}},{"id":1157786,"issuer":{"id":3120,"kind":"organization","name":"ARCH CAPITAL GROUP LTD.","symbol":"ACGL"},"owners":[{"id":61361,"kind":"person","name":"Papadopoulo Nicolas","position":1,"cik":"0001345284","reported_name":"Papadopoulo Nicolas","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CEO"}}],"security":"Stock Option (right to buy)","published_at":"2025-05-06T21:16:29.000Z","date":"2025-05-02","kind":"exercise","planned":false,"acquired":false,"shares":9213,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"The non-qualified stock option became exercisable in three equal annual installments; the first installment became exercisable on May 13, 2016 and the next two installments on May 13, 2017 and May 13, 2018 subject to the applicable award agreement."}],"balance_after":0,"derivative":{"exercise_price":15.835,"expiration_date":"2025-05-13","underlying":"Common Shares, $.0011 par value per share","underlying_shares":9213},"source":{"system":"sec-edgar","filing":"0001415889-25-012113","document":"form4-05062025_090526.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/947484/000141588925012113/form4-05062025_090526.xml","form_type":"4"}},{"id":1157785,"issuer":{"id":3120,"kind":"organization","name":"ARCH CAPITAL GROUP LTD.","symbol":"ACGL"},"owners":[{"id":61361,"kind":"person","name":"Papadopoulo Nicolas","position":1,"cik":"0001345284","reported_name":"Papadopoulo Nicolas","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CEO"}}],"security":"Common Shares, $.0011 par value per share","published_at":"2025-05-06T21:16:29.000Z","date":"2025-05-02","kind":"sale","planned":false,"acquired":false,"shares":7636,"price":92.48,"value":706177.28,"ownership":{"direct":true},"balance_after":795718,"source":{"system":"sec-edgar","filing":"0001415889-25-012113","document":"form4-05062025_090526.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/947484/000141588925012113/form4-05062025_090526.xml","form_type":"4"}},{"id":1157784,"issuer":{"id":3120,"kind":"organization","name":"ARCH CAPITAL GROUP LTD.","symbol":"ACGL"},"owners":[{"id":61361,"kind":"person","name":"Papadopoulo Nicolas","position":1,"cik":"0001345284","reported_name":"Papadopoulo Nicolas","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CEO"}}],"security":"Common Shares, $.0011 par value per share","published_at":"2025-05-06T21:16:29.000Z","date":"2025-05-02","kind":"tax_withholding","planned":false,"acquired":false,"shares":1577,"price":92.48,"value":145840.96,"ownership":{"direct":true},"balance_after":803354,"source":{"system":"sec-edgar","filing":"0001415889-25-012113","document":"form4-05062025_090526.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/947484/000141588925012113/form4-05062025_090526.xml","form_type":"4"}},{"id":1157783,"issuer":{"id":3120,"kind":"organization","name":"ARCH CAPITAL GROUP LTD.","symbol":"ACGL"},"owners":[{"id":61361,"kind":"person","name":"Papadopoulo Nicolas","position":1,"cik":"0001345284","reported_name":"Papadopoulo Nicolas","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CEO"}}],"security":"Common Shares, $.0011 par value per share","published_at":"2025-05-06T21:16:29.000Z","date":"2025-05-02","kind":"exercise","planned":false,"acquired":true,"shares":9213,"price":15.835,"value":145887.855,"ownership":{"direct":true},"balance_after":804931,"source":{"system":"sec-edgar","filing":"0001415889-25-012113","document":"form4-05062025_090526.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/947484/000141588925012113/form4-05062025_090526.xml","form_type":"4"}},{"id":1220561,"issuer":{"id":3120,"kind":"organization","name":"ARCH CAPITAL GROUP LTD.","symbol":"ACGL"},"owners":[{"id":61361,"kind":"person","name":"Papadopoulo Nicolas","position":1,"cik":"0001345284","reported_name":"Papadopoulo Nicolas","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CEO"}}],"security":"Stock Option (right to buy)","published_at":"2025-03-06T22:05:29.000Z","date":"2025-03-04","kind":"grant","planned":false,"acquired":true,"shares":56073,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"The stock option becomes exercisable in three equal annual installments commencing March 4, 2026, and the next two installments on March 4, 2027 and March 4, 2028, subject to the applicable award agreement."}],"balance_after":56073,"derivative":{"exercise_price":91.87,"expiration_date":"2035-03-04","underlying":"Common Shares, $.0011 par value per share","underlying_shares":56073},"source":{"system":"sec-edgar","filing":"0001415889-25-007244","document":"form4-03062025_100325.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/947484/000141588925007244/form4-03062025_100325.xml","form_type":"4"}},{"id":1220560,"issuer":{"id":3120,"kind":"organization","name":"ARCH CAPITAL GROUP LTD.","symbol":"ACGL"},"owners":[{"id":61361,"kind":"person","name":"Papadopoulo Nicolas","position":1,"cik":"0001345284","reported_name":"Papadopoulo Nicolas","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CEO"}}],"security":"Common Shares, $.0011 par value per share","published_at":"2025-03-06T22:05:29.000Z","date":"2025-03-04","kind":"grant","planned":false,"acquired":true,"shares":15848,"price":0,"value":0.0,"ownership":{"direct":true},"balance_after":795718,"source":{"system":"sec-edgar","filing":"0001415889-25-007244","document":"form4-03062025_100325.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/947484/000141588925007244/form4-03062025_100325.xml","form_type":"4"}},{"id":1236996,"issuer":{"id":3120,"kind":"organization","name":"ARCH CAPITAL GROUP LTD.","symbol":"ACGL"},"owners":[{"id":61361,"kind":"person","name":"Papadopoulo Nicolas","position":1,"cik":"0001345284","reported_name":"Papadopoulo Nicolas","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CEO"}}],"security":"Common Shares, $.0011 par value per share","published_at":"2025-03-04T02:16:16.000Z","date":"2025-02-27","kind":"grant","planned":false,"acquired":true,"shares":55532,"price":0,"value":0.0,"ownership":{"direct":true},"balance_after":779870,"source":{"system":"sec-edgar","filing":"0001415889-25-006325","document":"form4-03042025_020310.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/947484/000141588925006325/form4-03042025_020310.xml","form_type":"4"}},{"id":1356185,"issuer":{"id":3120,"kind":"organization","name":"ARCH CAPITAL GROUP LTD.","symbol":"ACGL"},"owners":[{"id":61361,"kind":"person","name":"Papadopoulo Nicolas","position":1,"cik":"0001345284","reported_name":"Papadopoulo Nicolas","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CEO"}}],"security":"Stock Option (right to buy)","published_at":"2024-11-21T21:32:42.000Z","date":"2024-11-19","kind":"grant","planned":false,"acquired":true,"shares":562867,"price":0,"value":0.0,"ownership":{"direct":true},"balance_after":562867,"derivative":{"exercise_price":161.24,"exercise_date":"2027-11-19","expiration_date":"2034-11-19","underlying":"Common Shares, $.0011 par value per share","underlying_shares":562867},"source":{"system":"sec-edgar","filing":"0001415889-24-027415","document":"form4-11212024_091139.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/947484/000141588924027415/form4-11212024_091139.xml","form_type":"4"}},{"id":1356184,"issuer":{"id":3120,"kind":"organization","name":"ARCH CAPITAL GROUP LTD.","symbol":"ACGL"},"owners":[{"id":61361,"kind":"person","name":"Papadopoulo Nicolas","position":1,"cik":"0001345284","reported_name":"Papadopoulo Nicolas","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CEO"}}],"security":"Common Shares, $.0011 par value per share","published_at":"2024-11-21T21:32:42.000Z","date":"2024-11-19","kind":"grant","planned":false,"acquired":true,"shares":72108,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F1","text":"Amount includes 299 Common Shares acquired on May 31, 2024 under the Arch Capital Group Ltd. Employee Share Purchase Plan."}],"balance_after":724338,"source":{"system":"sec-edgar","filing":"0001415889-24-027415","document":"form4-11212024_091139.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/947484/000141588924027415/form4-11212024_091139.xml","form_type":"4"}},{"id":1587761,"issuer":{"id":3120,"kind":"organization","name":"ARCH CAPITAL GROUP LTD.","symbol":"ACGL"},"owners":[{"id":61361,"kind":"person","name":"Papadopoulo Nicolas","position":1,"cik":"0001345284","reported_name":"Papadopoulo Nicolas","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"OFFICER OF SUBSIDIARY"}}],"security":"Common Shares, $.0011 par value per share","published_at":"2024-03-08T22:47:37.000Z","date":"2024-03-07","kind":"sale","planned":false,"acquired":false,"shares":60000,"price":87.5217,"value":5251302.0,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Represents a weighted average sale price; the sales prices range from $87.50 to $87.6450. Upon request, the full information regarding the number of shares sold at each separate price within the range will be provided to the issuer, any security holder of the issuer or the staff of the Securities Exchange Commission."}],"balance_after":651931,"source":{"system":"sec-edgar","filing":"0001415889-24-007394","document":"form4-03082024_100327.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/947484/000141588924007394/form4-03082024_100327.xml","form_type":"4"}},{"id":1610846,"issuer":{"id":3120,"kind":"organization","name":"ARCH CAPITAL GROUP LTD.","symbol":"ACGL"},"owners":[{"id":61361,"kind":"person","name":"Papadopoulo Nicolas","position":1,"cik":"0001345284","reported_name":"Papadopoulo Nicolas","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"OFFICER OF SUBSIDIARY"}}],"security":"Stock Option (right to buy)","published_at":"2024-02-29T21:31:22.000Z","date":"2024-02-27","kind":"grant","planned":false,"acquired":true,"shares":27833,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"The stock option becomes exercisable in three equal annual installments commencing February 27, 2025, and the next two installments on February 27, 2026 and February 27, 2027, subject to\nthe applicable award agreement"}],"balance_after":27833,"derivative":{"exercise_price":87.22,"expiration_date":"2034-02-27","underlying":"Common Shares, $.0011 par value per share","underlying_shares":27833},"source":{"system":"sec-edgar","filing":"0001415889-24-005891","document":"form4-02292024_090215.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/947484/000141588924005891/form4-02292024_090215.xml","form_type":"4"}},{"id":1610845,"issuer":{"id":3120,"kind":"organization","name":"ARCH CAPITAL GROUP LTD.","symbol":"ACGL"},"owners":[{"id":61361,"kind":"person","name":"Papadopoulo Nicolas","position":1,"cik":"0001345284","reported_name":"Papadopoulo Nicolas","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"OFFICER OF SUBSIDIARY"}}],"security":"Common Shares, $.0011 par value per share","published_at":"2024-02-29T21:31:22.000Z","date":"2024-02-27","kind":"grant","planned":false,"acquired":true,"shares":7842,"price":0,"value":0.0,"ownership":{"direct":true},"balance_after":711931,"source":{"system":"sec-edgar","filing":"0001415889-24-005891","document":"form4-02292024_090215.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/947484/000141588924005891/form4-02292024_090215.xml","form_type":"4"}},{"id":1616989,"issuer":{"id":3120,"kind":"organization","name":"ARCH CAPITAL GROUP LTD.","symbol":"ACGL"},"owners":[{"id":61361,"kind":"person","name":"Papadopoulo Nicolas","position":1,"cik":"0001345284","reported_name":"Papadopoulo Nicolas","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"OFFICER OF SUBSIDIARY"}}],"security":"Common Shares, $.0011 par value per share","published_at":"2024-02-27T22:03:02.000Z","date":"2024-02-23","kind":"grant","planned":false,"acquired":true,"shares":73702,"price":0,"value":0.0,"ownership":{"direct":true},"balance_after":704089,"source":{"system":"sec-edgar","filing":"0001415889-24-005536","document":"form4-02272024_100231.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/947484/000141588924005536/form4-02272024_100231.xml","form_type":"4"}},{"id":1729859,"issuer":{"id":3120,"kind":"organization","name":"ARCH CAPITAL GROUP LTD.","symbol":"ACGL"},"owners":[{"id":61361,"kind":"person","name":"Papadopoulo Nicolas","position":1,"cik":"0001345284","reported_name":"Papadopoulo Nicolas","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"OFFICER OF SUBSIDIARY"}}],"security":"Common Shares, $.0011 par value per share","published_at":"2023-11-27T22:47:37.000Z","date":"2023-11-22","kind":"sale","planned":false,"acquired":false,"shares":60000,"price":85.7961,"value":5147766.0,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":".Represents a weighted average sale price; the sales prices range from $85.50 to $86.285. Upon request, the full information regarding the number of shares sold at each separate price within the range will be provided to the issuer, any security holder of the issuer or the staff of the Securities Exchange Commission."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Amount includes 417 common shares acquired on May 31, 2023 under the Arch Capital Group Ltd. Employee Share Purchase Plan."}],"balance_after":630387,"source":{"system":"sec-edgar","filing":"0001415889-23-015507","document":"form4-11272023_101129.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/947484/000141588923015507/form4-11272023_101129.xml","form_type":"4"}},{"id":1903319,"issuer":{"id":3120,"kind":"organization","name":"ARCH CAPITAL GROUP LTD.","symbol":"ACGL"},"owners":[{"id":61361,"kind":"person","name":"Papadopoulo Nicolas","position":1,"cik":"0001345284","reported_name":"Papadopoulo Nicolas","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"OFFICER OF SUBSIDIARY"}}],"security":"Common Shares, $.0011 par value per share","published_at":"2023-05-05T16:38:56.000Z","date":"2023-05-03","kind":"sale","planned":false,"acquired":false,"shares":70000,"price":75.4794,"value":5283558.0,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $75.175 to $75.76, 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, on request, full information regarding the number of shares sold at each separate price."}],"balance_after":689970,"source":{"system":"sec-edgar","filing":"0001415889-23-007394","document":"form4-05052023_040551.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/947484/000141588923007394/form4-05052023_040551.xml","form_type":"4"}},{"id":1970057,"issuer":{"id":3120,"kind":"organization","name":"ARCH CAPITAL GROUP LTD.","symbol":"ACGL"},"owners":[{"id":61361,"kind":"person","name":"Papadopoulo Nicolas","position":1,"cik":"0001345284","reported_name":"Papadopoulo Nicolas","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"OFFICER OF SUBSIDIARY"}}],"security":"Common Shares, $.0011 par value per share","published_at":"2023-03-06T22:44:56.000Z","date":"2023-03-02","kind":"sale","acquired":false,"shares":30000,"price":70.1557,"value":2104671.0,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Represents a weighted average sale price; the sales prices ranged from $70.1550 to $70.19. Upon request, the full sale information regarding the number of shares sold at each price increment will be provided to the Commission or a security holder of the issuer."}],"balance_after":759970,"source":{"system":"sec-edgar","filing":"0001415889-23-004337","document":"form4-03062023_100351.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/947484/000141588923004337/form4-03062023_100351.xml","form_type":"4"}},{"id":1988122,"issuer":{"id":3120,"kind":"organization","name":"ARCH CAPITAL GROUP LTD.","symbol":"ACGL"},"owners":[{"id":61361,"kind":"person","name":"Papadopoulo Nicolas","position":1,"cik":"0001345284","reported_name":"Papadopoulo Nicolas","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"OFFICER OF SUBSIDIARY"}}],"security":"Stock Option (right to buy)","published_at":"2023-03-01T00:34:34.000Z","date":"2023-02-24","kind":"grant","acquired":true,"shares":31264,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"The stock option becomes exercisable in three equal annual installments commencing February 24, 2024, and the next two installments on February 24, 2025 and February 24, 2026, subject to the applicable award agreement."}],"balance_after":31264,"derivative":{"exercise_price":69.17,"expiration_date":"2033-02-24","underlying":"Common Shares, $.0011 par value per share","underlying_shares":31264},"source":{"system":"sec-edgar","filing":"0001415889-23-003561","document":"form4-03012023_120301.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/947484/000141588923003561/form4-03012023_120301.xml","form_type":"4"}},{"id":1988121,"issuer":{"id":3120,"kind":"organization","name":"ARCH CAPITAL GROUP LTD.","symbol":"ACGL"},"owners":[{"id":61361,"kind":"person","name":"Papadopoulo Nicolas","position":1,"cik":"0001345284","reported_name":"Papadopoulo Nicolas","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"OFFICER OF SUBSIDIARY"}}],"security":"Common Shares, $.0011 par value per share","published_at":"2023-03-01T00:34:34.000Z","date":"2023-02-24","kind":"grant","acquired":true,"shares":8486,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F1","text":"Amount includes 603 common shares acquired on May 31, 2022 under the Arch Capital Group Ltd. Employee Share Purchase Plan."}],"balance_after":789970,"source":{"system":"sec-edgar","filing":"0001415889-23-003561","document":"form4-03012023_120301.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/947484/000141588923003561/form4-03012023_120301.xml","form_type":"4"}},{"id":1988120,"issuer":{"id":3120,"kind":"organization","name":"ARCH CAPITAL GROUP LTD.","symbol":"ACGL"},"owners":[{"id":61361,"kind":"person","name":"Papadopoulo Nicolas","position":1,"cik":"0001345284","reported_name":"Papadopoulo Nicolas","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"OFFICER OF SUBSIDIARY"}}],"security":"Common Shares, $.0011 par value per share","published_at":"2023-03-01T00:34:34.000Z","date":"2023-02-24","kind":"grant","acquired":true,"shares":14703,"price":0,"value":0.0,"ownership":{"direct":true},"balance_after":781484,"source":{"system":"sec-edgar","filing":"0001415889-23-003561","document":"form4-03012023_120301.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/947484/000141588923003561/form4-03012023_120301.xml","form_type":"4"}},{"id":2122708,"issuer":{"id":3120,"kind":"organization","name":"ARCH CAPITAL GROUP LTD.","symbol":"ACGL"},"owners":[{"id":61361,"kind":"person","name":"Papadopoulo Nicolas","position":1,"cik":"0001345284","reported_name":"Papadopoulo Nicolas","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"OFFICER OF SUBSIDIARY"}}],"security":"Common Shares, $.0011 par value per share","published_at":"2022-11-08T22:48:15.000Z","date":"2022-11-04","kind":"sale","acquired":false,"shares":35625,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Represents a weighted average sale price; the sales prices range from $55.62 to $56.01. Upon request, the full information regarding the number of shares sold at each separate price within the range will be provided to the issuer, any security holder of the issuer or the staff of the Securities Exchange Commission"}],"balance_after":766178,"source":{"system":"sec-edgar","filing":"0001415889-22-011198","document":"form4-11082022_101106.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/947484/000141588922011198/form4-11082022_101106.xml","form_type":"4"}},{"id":2369951,"issuer":{"id":3120,"kind":"organization","name":"ARCH CAPITAL GROUP LTD.","symbol":"ACGL"},"owners":[{"id":61361,"kind":"person","name":"Papadopoulo Nicolas","position":1,"cik":"0001345284","reported_name":"Papadopoulo Nicolas","relationship":{"director":false,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"President & CUO"}}],"security":"Stock Option (right to buy)","published_at":"2022-02-28T22:54:12.000Z","date":"2022-02-25","kind":"grant","acquired":true,"shares":45695,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F3","text":"The stock option becomes exercisable in three equal annual installments commencing February 25, 2023, and the next two installments on February 25, 2024 and February 25, 2025, subject to the applicable award agreement."}],"balance_after":45695,"derivative":{"exercise_price":47.54,"expiration_date":"2032-02-25","underlying":"Common Shares, $.0011 par value per share","underlying_shares":45695},"source":{"system":"sec-edgar","filing":"0001179110-22-001721","document":"edgar.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/947484/000117911022001721/edgar.xml","form_type":"4"}},{"id":2369950,"issuer":{"id":3120,"kind":"organization","name":"ARCH CAPITAL GROUP LTD.","symbol":"ACGL"},"owners":[{"id":61361,"kind":"person","name":"Papadopoulo Nicolas","position":1,"cik":"0001345284","reported_name":"Papadopoulo Nicolas","relationship":{"director":false,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"President & CUO"}}],"security":"Common Shares, $.0011 par value per share","published_at":"2022-02-28T22:54:12.000Z","date":"2022-02-25","kind":"grant","acquired":true,"shares":10097,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F2","text":"Represents restricted shares that vest in three equal annual installments, commencing February 25, 2023, and the next two installments on February 25, 2024 and February 25, 2025, subject to the applicable award agreement."}],"balance_after":801803,"source":{"system":"sec-edgar","filing":"0001179110-22-001721","document":"edgar.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/947484/000117911022001721/edgar.xml","form_type":"4"}},{"id":2369949,"issuer":{"id":3120,"kind":"organization","name":"ARCH CAPITAL GROUP LTD.","symbol":"ACGL"},"owners":[{"id":61361,"kind":"person","name":"Papadopoulo Nicolas","position":1,"cik":"0001345284","reported_name":"Papadopoulo Nicolas","relationship":{"director":false,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"President & CUO"}}],"security":"Common Shares, $.0011 par value per share","published_at":"2022-02-28T22:54:12.000Z","date":"2022-02-25","kind":"grant","acquired":true,"shares":46162,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F1","text":"Amount includes 765 common shares acquired on May 31, 2021 under the Arch Capital Group Ltd. Employee Share Purchase Plan."}],"balance_after":791706,"source":{"system":"sec-edgar","filing":"0001179110-22-001721","document":"edgar.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/947484/000117911022001721/edgar.xml","form_type":"4"}},{"id":2644682,"issuer":{"id":137416,"kind":"organization","name":"Watford Holdings Ltd.","symbol":"WTRE"},"owners":[{"id":61361,"kind":"person","name":"Papadopoulo Nicolas","position":1,"cik":"0001345284","reported_name":"Papadopoulo Nicolas","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Shares, par value $0.01/share","published_at":"2021-07-02T09:06:26.000Z","date":"2021-07-01","kind":"disposition_to_issuer","acquired":false,"shares":109700,"price":35,"value":3839500.0,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"On July 1, 2021, pursuant to the Agreement and Plan of Merger, dated October 9, 2020, among Watford Holdings Ltd. (the \"Company\"), Arch Capital Group Ltd. and Greysbridge Ltd. (\"Merger Sub\"), as amended by Amendment No. 1, dated November 2, 2020, Merger Sub merged with and into the Company, with the Company surviving as a subsidiary of Greysbridge Holdings Ltd. (the \"Merger\"). At the effective time of the Merger, these common shares were cancelled and converted into the right to receive $35.00 in cash per share."}],"balance_after":0,"source":{"system":"sec-edgar","filing":"0001601669-21-000059","document":"wf-form4_162523117254912.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1601669/000160166921000059/wf-form4_162523117254912.xml","form_type":"4"}},{"id":2822357,"issuer":{"id":3120,"kind":"organization","name":"ARCH CAPITAL GROUP LTD.","symbol":"ACGL"},"owners":[{"id":61361,"kind":"person","name":"Papadopoulo Nicolas","position":1,"cik":"0001345284","reported_name":"Papadopoulo Nicolas","relationship":{"director":false,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"President & CUO"}}],"security":"Common Shares, $.0011 par value per share","published_at":"2021-03-02T21:51:23.000Z","date":"2021-02-26","kind":"grant","acquired":true,"shares":51696,"price":0,"value":0.0,"ownership":{"direct":true},"balance_after":744779,"source":{"system":"sec-edgar","filing":"0001179110-21-002526","document":"edgar.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/947484/000117911021002526/edgar.xml","form_type":"4"}},{"id":2827669,"issuer":{"id":3120,"kind":"organization","name":"ARCH CAPITAL GROUP LTD.","symbol":"ACGL"},"owners":[{"id":61361,"kind":"person","name":"Papadopoulo Nicolas","position":1,"cik":"0001345284","reported_name":"Papadopoulo Nicolas","relationship":{"director":false,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"President & CUO"}}],"security":"Stock Option (right to buy)","published_at":"2021-03-01T20:26:11.000Z","date":"2021-02-26","kind":"grant","acquired":true,"shares":65202,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"The stock option becomes exercisable in three equal annual installments commencing February 26, 2022, and the next two installments on February 26, 2023 and February 26, 2024, subject to the applicable award agreement."}],"balance_after":65202,"derivative":{"exercise_price":35.82,"expiration_date":"2031-02-26","underlying":"Common Shares, $.0011 par value per share","underlying_shares":65202},"source":{"system":"sec-edgar","filing":"0001179110-21-002418","document":"edgar.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/947484/000117911021002418/edgar.xml","form_type":"4"}},{"id":2827668,"issuer":{"id":3120,"kind":"organization","name":"ARCH CAPITAL GROUP LTD.","symbol":"ACGL"},"owners":[{"id":61361,"kind":"person","name":"Papadopoulo Nicolas","position":1,"cik":"0001345284","reported_name":"Papadopoulo Nicolas","relationship":{"director":false,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"President & CUO"}}],"security":"Common Shares, $.0011 par value per share","published_at":"2021-03-01T20:26:11.000Z","date":"2021-02-26","kind":"grant","acquired":true,"shares":13400,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Represents restricted shares that vest in three equal annual installments, commencing February 26, 2022, and the next two installments on February 26, 2023 and February 26, 2024, subject to the applicable award agreement."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"Amount includes 874 common shares acquired on November 30, 2020 under the Arch Capital Group Ltd. Employee Share Purchase Plan."}],"balance_after":693083,"source":{"system":"sec-edgar","filing":"0001179110-21-002418","document":"edgar.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/947484/000117911021002418/edgar.xml","form_type":"4"}},{"id":3205329,"issuer":{"id":137416,"kind":"organization","name":"Watford Holdings Ltd.","symbol":"WTRE"},"owners":[{"id":61361,"kind":"person","name":"Papadopoulo Nicolas","position":1,"cik":"0001345284","reported_name":"Papadopoulo Nicolas","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Shares, par value $0.01/share","published_at":"2020-03-17T16:05:10.000Z","date":"2020-03-13","kind":"purchase","acquired":true,"shares":1700,"price":18.497,"value":31444.9,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $18.26 to $18.68, inclusive. The Reporting Person undertakes to provide Watford Holdings Ltd. (\"Watford\"), any security holder of Watford, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the ranges set forth in this footnote."}],"balance_after":109700,"source":{"system":"sec-edgar","filing":"0001601669-20-000040","document":"wf-form4_158447548485137.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1601669/000160166920000040/wf-form4_158447548485137.xml","form_type":"4"}},{"id":3239220,"issuer":{"id":3120,"kind":"organization","name":"ARCH CAPITAL GROUP LTD.","symbol":"ACGL"},"owners":[{"id":61361,"kind":"person","name":"Papadopoulo Nicolas","position":1,"cik":"0001345284","reported_name":"Papadopoulo Nicolas","relationship":{"director":false,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"Chairman & CEO Arch Ins Gr"}}],"security":"Stock Option (right to buy)","published_at":"2020-03-02T21:39:18.000Z","date":"2020-02-27","kind":"grant","acquired":true,"shares":46015,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"The stock option becomes exercisable in three equal annual installments commencing February 27, 2021, and the next two installments on February 27, 2022 and February 27, 2023, subject to the applicable award agreement."}],"balance_after":46015,"derivative":{"exercise_price":42.42,"expiration_date":"2030-02-27","underlying":"Common Shares, $.0011 par value per share","underlying_shares":46015},"source":{"system":"sec-edgar","filing":"0001179110-20-002695","document":"edgar.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/947484/000117911020002695/edgar.xml","form_type":"4"}},{"id":3239219,"issuer":{"id":3120,"kind":"organization","name":"ARCH CAPITAL GROUP LTD.","symbol":"ACGL"},"owners":[{"id":61361,"kind":"person","name":"Papadopoulo Nicolas","position":1,"cik":"0001345284","reported_name":"Papadopoulo Nicolas","relationship":{"director":false,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"Chairman & CEO Arch Ins Gr"}}],"security":"Common Shares, $.0011 par value per share","published_at":"2020-03-02T21:39:18.000Z","date":"2020-02-27","kind":"grant","acquired":true,"shares":7072,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Represents restricted shares that vest in three equal annual installments, commencing February 27, 2021, and the next two installments on February 27, 2022 and February 27, 2023, subject to the applicable award agreement."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"Amount includes 875 common shares acquired on May 31, 2019 under the Arch Capital Group Ltd. Employee Share Purchase Plan."}],"balance_after":678809,"source":{"system":"sec-edgar","filing":"0001179110-20-002695","document":"edgar.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/947484/000117911020002695/edgar.xml","form_type":"4"}},{"id":3452089,"issuer":{"id":137416,"kind":"organization","name":"Watford Holdings Ltd.","symbol":"WTRE"},"owners":[{"id":61361,"kind":"person","name":"Papadopoulo Nicolas","position":1,"cik":"0001345284","reported_name":"Papadopoulo Nicolas","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Shares, par value $0.01/share","published_at":"2019-07-31T16:03:55.000Z","date":"2019-07-31","kind":"purchase","acquired":true,"shares":25500,"price":19.48,"value":496740.0,"ownership":{"direct":true},"balance_after":108000,"source":{"system":"sec-edgar","filing":"0001601669-19-000022","document":"wf-form4_156460341784713.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1601669/000160166919000022/wf-form4_156460341784713.xml","form_type":"4"}},{"id":3533615,"issuer":{"id":137416,"kind":"organization","name":"Watford Holdings Ltd.","symbol":"WTRE"},"owners":[{"id":61361,"kind":"person","name":"Papadopoulo Nicolas","position":1,"cik":"0001345284","reported_name":"Papadopoulo Nicolas","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Shares, par value $0.01/share","published_at":"2019-05-09T17:18:21.000Z","date":"2019-05-08","kind":"purchase","acquired":true,"shares":500,"price":25,"value":12500.0,"ownership":{"direct":true},"balance_after":82500,"source":{"system":"sec-edgar","filing":"0001628280-19-006467","document":"wf-form4_155743668609444.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1601669/000162828019006467/wf-form4_155743668609444.xml","form_type":"4"}},{"id":3533614,"issuer":{"id":137416,"kind":"organization","name":"Watford Holdings Ltd.","symbol":"WTRE"},"owners":[{"id":61361,"kind":"person","name":"Papadopoulo Nicolas","position":1,"cik":"0001345284","reported_name":"Papadopoulo Nicolas","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Shares, par value $0.01/share","published_at":"2019-05-09T17:18:21.000Z","date":"2019-05-08","kind":"purchase","acquired":true,"shares":18800,"price":24.95,"value":469060.0,"ownership":{"direct":true},"balance_after":82000,"source":{"system":"sec-edgar","filing":"0001628280-19-006467","document":"wf-form4_155743668609444.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1601669/000162828019006467/wf-form4_155743668609444.xml","form_type":"4"}},{"id":3533613,"issuer":{"id":137416,"kind":"organization","name":"Watford Holdings Ltd.","symbol":"WTRE"},"owners":[{"id":61361,"kind":"person","name":"Papadopoulo Nicolas","position":1,"cik":"0001345284","reported_name":"Papadopoulo Nicolas","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Shares, par value $0.01/share","published_at":"2019-05-09T17:18:21.000Z","date":"2019-05-08","kind":"purchase","acquired":true,"shares":700,"price":24.94,"value":17458.0,"ownership":{"direct":true},"balance_after":63200,"source":{"system":"sec-edgar","filing":"0001628280-19-006467","document":"wf-form4_155743668609444.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1601669/000162828019006467/wf-form4_155743668609444.xml","form_type":"4"}},{"id":3620508,"issuer":{"id":3120,"kind":"organization","name":"ARCH CAPITAL GROUP LTD.","symbol":"ACGL"},"owners":[{"id":61361,"kind":"person","name":"Papadopoulo Nicolas","position":1,"cik":"0001345284","reported_name":"Papadopoulo Nicolas","relationship":{"director":false,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"Chairman & CEO Arch Ins Gr"}}],"security":"Stock Option (right to buy)","published_at":"2019-03-04T21:35:46.000Z","date":"2019-02-28","kind":"grant","acquired":true,"shares":47408,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"The stock option becomes exercisable in three equal annual installments commencing February 28, 2020, and the next two installments on February 28, 2021 and February 28, 2022, subject to the applicable award agreement."}],"balance_after":47408,"derivative":{"exercise_price":32.67,"expiration_date":"2029-02-28","underlying":"Common Shares, $.0011 par value per share","underlying_shares":47408},"source":{"system":"sec-edgar","filing":"0001179110-19-003064","document":"edgar.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/947484/000117911019003064/edgar.xml","form_type":"4"}},{"id":3620507,"issuer":{"id":3120,"kind":"organization","name":"ARCH CAPITAL GROUP LTD.","symbol":"ACGL"},"owners":[{"id":61361,"kind":"person","name":"Papadopoulo Nicolas","position":1,"cik":"0001345284","reported_name":"Papadopoulo Nicolas","relationship":{"director":false,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"Chairman & CEO Arch Ins Gr"}}],"security":"Common Shares, $.0011 par value per share","published_at":"2019-03-04T21:35:46.000Z","date":"2019-02-28","kind":"grant","acquired":true,"shares":9183,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Represents restricted shares that vest in three equal annual installments, commencing February 28, 2020, and the next two installments on February 28, 2021 and February 28, 2022, subject to the applicable award agreement."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"The amount of common shares includes common shares acquired in connection with a 3-for-1 share split effectuated by Arch Capital Group Ltd. on June 21, 2018."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F4","text":"Amount includes 944 common shares acquired on November 30, 2018 under the Arch Capital Group Ltd. Employee Share Purchase Plan."}],"balance_after":670862,"source":{"system":"sec-edgar","filing":"0001179110-19-003064","document":"edgar.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/947484/000117911019003064/edgar.xml","form_type":"4"}},{"id":3933553,"issuer":{"id":3120,"kind":"organization","name":"ARCH CAPITAL GROUP LTD.","symbol":"ACGL"},"owners":[{"id":61361,"kind":"person","name":"Papadopoulo Nicolas","position":1,"cik":"0001345284","reported_name":"Papadopoulo Nicolas","relationship":{"director":false,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"Chairman & CEO Arch Ins Gr"}}],"security":"Stock Option (right to buy)","published_at":"2018-05-15T14:48:06.000Z","date":"2018-05-11","kind":"grant","acquired":true,"shares":14869,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"The stock option becomes exercisable in three equal annual installments commencing May 11, 2019, and the next two installments on May 11, 2020 and May 11, 2021, subject to the applicable award agreement."}],"balance_after":14869,"derivative":{"exercise_price":79.65,"expiration_date":"2028-05-11","underlying":"Common Shares, $.0033 par value per share","underlying_shares":14869},"source":{"system":"sec-edgar","filing":"0001179110-18-006792","document":"edgar.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/947484/000117911018006792/edgar.xml","form_type":"4"}},{"id":3933552,"issuer":{"id":3120,"kind":"organization","name":"ARCH CAPITAL GROUP LTD.","symbol":"ACGL"},"owners":[{"id":61361,"kind":"person","name":"Papadopoulo Nicolas","position":1,"cik":"0001345284","reported_name":"Papadopoulo Nicolas","relationship":{"director":false,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"Chairman & CEO Arch Ins Gr"}}],"security":"Common Shares, $.0033 par value per share","published_at":"2018-05-15T14:48:06.000Z","date":"2018-05-11","kind":"grant","acquired":true,"shares":3331,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Represents restricted shares that vest in three equal annual installments, commencing May 11, 2019, and the next two installments on May 11, 2020 and May 11, 2021, subject to the applicable award agreement."}],"balance_after":220245,"source":{"system":"sec-edgar","filing":"0001179110-18-006792","document":"edgar.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/947484/000117911018006792/edgar.xml","form_type":"4"}},{"id":4153230,"issuer":{"id":3120,"kind":"organization","name":"ARCH CAPITAL GROUP LTD.","symbol":"ACGL"},"owners":[{"id":61361,"kind":"person","name":"Papadopoulo Nicolas","position":1,"cik":"0001345284","reported_name":"Papadopoulo Nicolas","relationship":{"director":false,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"CEO of Arch Reinsurance Group"}}],"security":"Stock Option (right to buy)","published_at":"2017-11-22T18:08:20.000Z","date":"2017-11-21","kind":"exercise","acquired":false,"shares":6149,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"The stock option became exercisable in three equal annual installments commencing May 13, 2016, subject to the applicable award agreement."}],"balance_after":3071,"derivative":{"exercise_price":62.505,"expiration_date":"2025-05-13","underlying":"Common Shares, $.0033 par value per share","underlying_shares":6149},"source":{"system":"sec-edgar","filing":"0001179110-17-014498","document":"edgar.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":7,"url":"https://www.sec.gov/Archives/edgar/data/947484/000117911017014498/edgar.xml","form_type":"4"}},{"id":4153229,"issuer":{"id":3120,"kind":"organization","name":"ARCH CAPITAL GROUP LTD.","symbol":"ACGL"},"owners":[{"id":61361,"kind":"person","name":"Papadopoulo Nicolas","position":1,"cik":"0001345284","reported_name":"Papadopoulo Nicolas","relationship":{"director":false,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"CEO of Arch Reinsurance Group"}}],"security":"Share Appreciation Right","published_at":"2017-11-22T18:08:20.000Z","date":"2017-11-21","kind":"exercise","acquired":false,"shares":5800,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"The share appreciation right became exercisable in three equal annual installments commencing November 6, 2015, subject to the applicable award agreement."}],"balance_after":0,"derivative":{"exercise_price":57.08,"expiration_date":"2024-11-06","underlying":"Common Shares, $.0033 par value per share","underlying_shares":5800},"source":{"system":"sec-edgar","filing":"0001179110-17-014498","document":"edgar.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":6,"url":"https://www.sec.gov/Archives/edgar/data/947484/000117911017014498/edgar.xml","form_type":"4"}},{"id":4153228,"issuer":{"id":3120,"kind":"organization","name":"ARCH CAPITAL GROUP LTD.","symbol":"ACGL"},"owners":[{"id":61361,"kind":"person","name":"Papadopoulo Nicolas","position":1,"cik":"0001345284","reported_name":"Papadopoulo Nicolas","relationship":{"director":false,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"CEO of Arch Reinsurance Group"}}],"security":"Share Appreciation Right","published_at":"2017-11-22T18:08:20.000Z","date":"2017-11-21","kind":"exercise","acquired":false,"shares":22410,"price":0,"value":0.0,"ownership":{"direct":true},"balance_after":0,"derivative":{"exercise_price":42.65,"exercise_date":"2017-11-12","expiration_date":"2022-11-12","underlying":"Common Shares, $.0033 par value per share","underlying_shares":22410},"source":{"system":"sec-edgar","filing":"0001179110-17-014498","document":"edgar.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/947484/000117911017014498/edgar.xml","form_type":"4"}},{"id":4153227,"issuer":{"id":3120,"kind":"organization","name":"ARCH CAPITAL GROUP LTD.","symbol":"ACGL"},"owners":[{"id":61361,"kind":"person","name":"Papadopoulo Nicolas","position":1,"cik":"0001345284","reported_name":"Papadopoulo Nicolas","relationship":{"director":false,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"CEO of Arch Reinsurance Group"}}],"security":"Common Shares, $.0033 par value per share","published_at":"2017-11-22T18:08:20.000Z","date":"2017-11-21","kind":"tax_withholding","acquired":false,"shares":17227,"price":97.01,"value":1671191.27,"ownership":{"direct":true},"balance_after":216914,"source":{"system":"sec-edgar","filing":"0001179110-17-014498","document":"edgar.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/947484/000117911017014498/edgar.xml","form_type":"4"}},{"id":4153226,"issuer":{"id":3120,"kind":"organization","name":"ARCH CAPITAL GROUP LTD.","symbol":"ACGL"},"owners":[{"id":61361,"kind":"person","name":"Papadopoulo Nicolas","position":1,"cik":"0001345284","reported_name":"Papadopoulo Nicolas","relationship":{"director":false,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"CEO of Arch Reinsurance Group"}}],"security":"Common Shares, $.0033 par value per share","published_at":"2017-11-22T18:08:20.000Z","date":"2017-11-21","kind":"exercise","acquired":true,"shares":6149,"price":62.505,"value":384343.245,"ownership":{"direct":true},"balance_after":234141,"source":{"system":"sec-edgar","filing":"0001179110-17-014498","document":"edgar.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/947484/000117911017014498/edgar.xml","form_type":"4"}},{"id":4153225,"issuer":{"id":3120,"kind":"organization","name":"ARCH CAPITAL GROUP LTD.","symbol":"ACGL"},"owners":[{"id":61361,"kind":"person","name":"Papadopoulo Nicolas","position":1,"cik":"0001345284","reported_name":"Papadopoulo Nicolas","relationship":{"director":false,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"CEO of Arch Reinsurance Group"}}],"security":"Common Shares, $.0033 par value per share","published_at":"2017-11-22T18:08:20.000Z","date":"2017-11-21","kind":"exercise","acquired":true,"shares":5800,"price":57.08,"value":331064.0,"ownership":{"direct":true},"balance_after":227992,"source":{"system":"sec-edgar","filing":"0001179110-17-014498","document":"edgar.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/947484/000117911017014498/edgar.xml","form_type":"4"}},{"id":4153224,"issuer":{"id":3120,"kind":"organization","name":"ARCH CAPITAL GROUP LTD.","symbol":"ACGL"},"owners":[{"id":61361,"kind":"person","name":"Papadopoulo Nicolas","position":1,"cik":"0001345284","reported_name":"Papadopoulo Nicolas","relationship":{"director":false,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"CEO of Arch Reinsurance Group"}}],"security":"Common Shares, $.0033 par value per share","published_at":"2017-11-22T18:08:20.000Z","date":"2017-11-21","kind":"exercise","acquired":true,"shares":22410,"price":42.65,"value":955786.5,"ownership":{"direct":true},"balance_after":222192,"source":{"system":"sec-edgar","filing":"0001179110-17-014498","document":"edgar.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/947484/000117911017014498/edgar.xml","form_type":"4"}},{"id":4168043,"issuer":{"id":3120,"kind":"organization","name":"ARCH CAPITAL GROUP LTD.","symbol":"ACGL"},"owners":[{"id":61361,"kind":"person","name":"Papadopoulo Nicolas","position":1,"cik":"0001345284","reported_name":"Papadopoulo Nicolas","relationship":{"director":false,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"Chairman & CEO Arch Ins Gr"}}],"security":"Common Shares, $.0033 par value per share","published_at":"2017-11-09T21:09:49.000Z","date":"2017-11-07","kind":"grant","acquired":true,"shares":52301,"price":95.6,"value":4999975.6,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F2","text":"The acquisition was approved by the Company's Board of Directors in accordance with Rule 16b-3(d) of the Securities Exchange Act of 1934."}],"balance_after":199782,"source":{"system":"sec-edgar","filing":"0001179110-17-013931","document":"edgar.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/947484/000117911017013931/edgar.xml","form_type":"4"}},{"id":4168042,"issuer":{"id":3120,"kind":"organization","name":"ARCH CAPITAL GROUP LTD.","symbol":"ACGL"},"owners":[{"id":61361,"kind":"person","name":"Papadopoulo Nicolas","position":1,"cik":"0001345284","reported_name":"Papadopoulo Nicolas","relationship":{"director":false,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"Chairman & CEO Arch Ins Gr"}}],"security":"Common Shares, $.0033 par value per share","published_at":"2017-11-09T21:09:49.000Z","date":"2017-11-07","kind":"sale","acquired":false,"shares":54554,"price":95.5288,"value":5211478.1552,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Represents a weighted average sales price; the sales prices range from $95.31 to $95.93. Upon request, the full information regarding the number of shares sold at each price increment will be provided to the Commission or to a security holder of the issuer."}],"balance_after":147481,"source":{"system":"sec-edgar","filing":"0001179110-17-013931","document":"edgar.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/947484/000117911017013931/edgar.xml","form_type":"4"}},{"id":4204324,"issuer":{"id":3120,"kind":"organization","name":"ARCH CAPITAL GROUP LTD.","symbol":"ACGL"},"owners":[{"id":61361,"kind":"person","name":"Papadopoulo Nicolas","position":1,"cik":"0001345284","reported_name":"Papadopoulo Nicolas","relationship":{"director":false,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"CEO of Arch Reinsurance Group"}}],"security":"Stock Option (right to buy)","published_at":"2017-09-21T19:59:36.000Z","date":"2017-09-19","kind":"grant","acquired":true,"shares":50000,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"The Stock Options will vest one-fourth on each of the grant date and the next three anniversaries of the date of grant, provided that no option will be exercisable until the first anniversary of the date of grant, subject to the applicable award agreement."}],"balance_after":50000,"derivative":{"exercise_price":96.39,"expiration_date":"2027-09-19","underlying":"Common Shares, $.0033 par value per share","underlying_shares":50000},"source":{"system":"sec-edgar","filing":"0001179110-17-012561","document":"edgar.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/947484/000117911017012561/edgar.xml","form_type":"4"}},{"id":4204323,"issuer":{"id":3120,"kind":"organization","name":"ARCH CAPITAL GROUP LTD.","symbol":"ACGL"},"owners":[{"id":61361,"kind":"person","name":"Papadopoulo Nicolas","position":1,"cik":"0001345284","reported_name":"Papadopoulo Nicolas","relationship":{"director":false,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"CEO of Arch Reinsurance Group"}}],"security":"Common Shares, $.0033 par value per share","published_at":"2017-09-21T19:59:36.000Z","date":"2017-09-19","kind":"grant","acquired":true,"shares":15000,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F2","text":"Represents restricted shares that vest in three equal annual installments, commencing on  September 19, 2018 and the next two installments on September 19, 2019 and September 19, 2020, subject to the applicable award agreement."}],"balance_after":202035,"source":{"system":"sec-edgar","filing":"0001179110-17-012561","document":"edgar.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/947484/000117911017012561/edgar.xml","form_type":"4"}},{"id":4204322,"issuer":{"id":3120,"kind":"organization","name":"ARCH CAPITAL GROUP LTD.","symbol":"ACGL"},"owners":[{"id":61361,"kind":"person","name":"Papadopoulo Nicolas","position":1,"cik":"0001345284","reported_name":"Papadopoulo Nicolas","relationship":{"director":false,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"CEO of Arch Reinsurance Group"}}],"security":"Common Shares, $.0033 par value per share","published_at":"2017-09-21T19:59:36.000Z","date":"2017-09-19","kind":"grant","acquired":true,"shares":5000,"price":0,"value":0.0,"ownership":{"direct":true},"balance_after":187035,"source":{"system":"sec-edgar","filing":"0001179110-17-012561","document":"edgar.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/947484/000117911017012561/edgar.xml","form_type":"4"}},{"id":4210849,"issuer":{"id":3120,"kind":"organization","name":"ARCH CAPITAL GROUP LTD.","symbol":"ACGL"},"owners":[{"id":61361,"kind":"person","name":"Papadopoulo Nicolas","position":1,"cik":"0001345284","reported_name":"Papadopoulo Nicolas","relationship":{"director":false,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"CEO of Arch Reinsurance Group"}}],"security":"Common Shares, $.0033 par value per share","published_at":"2017-09-13T18:07:19.000Z","date":"2017-09-12","kind":"sale","acquired":false,"shares":38918,"price":97.2276,"value":3783903.7368,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F2","text":"Amount includes 7,846 common shares acquired under the Arch Capital Group Ltd. Employee Share Purchase Plan."},{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Represents a weighted average sale price; the sales prices range from $97.10 to $97.66. Upon request, the full information regarding the number of shares sold at each price increment will be provided to the Commission or to a security holder of the issuer."}],"balance_after":182035,"source":{"system":"sec-edgar","filing":"0001179110-17-012240","document":"edgar.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/947484/000117911017012240/edgar.xml","form_type":"4"}},{"id":4213022,"issuer":{"id":3120,"kind":"organization","name":"ARCH CAPITAL GROUP LTD.","symbol":"ACGL"},"owners":[{"id":61361,"kind":"person","name":"Papadopoulo Nicolas","position":1,"cik":"0001345284","reported_name":"Papadopoulo Nicolas","relationship":{"director":false,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"CEO of Arch Reinsurance Group"}}],"security":"Share Appreciation Right","published_at":"2017-09-11T21:21:12.000Z","date":"2017-09-07","kind":"exercise","acquired":false,"shares":11617,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F7","text":"The share appreciation right became exercisable in three equal annual installments commencing November 6, 2015, subject to the applicable award agreement"}],"balance_after":5800,"derivative":{"exercise_price":57.08,"expiration_date":"2024-11-06","underlying":"Common Shares, $.0033 par value per share","underlying_shares":11617},"source":{"system":"sec-edgar","filing":"0001179110-17-012175","document":"edgar.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":16,"url":"https://www.sec.gov/Archives/edgar/data/947484/000117911017012175/edgar.xml","form_type":"4"}},{"id":4213021,"issuer":{"id":3120,"kind":"organization","name":"ARCH CAPITAL GROUP LTD.","symbol":"ACGL"},"owners":[{"id":61361,"kind":"person","name":"Papadopoulo Nicolas","position":1,"cik":"0001345284","reported_name":"Papadopoulo Nicolas","relationship":{"director":false,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"CEO of Arch Reinsurance Group"}}],"security":"Share Appreciation Right","published_at":"2017-09-11T21:21:12.000Z","date":"2017-09-07","kind":"exercise","acquired":false,"shares":9000,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F6","text":"The share appreciation right became exercisable in three equal annual installments commencing May 13, 2015, subject to the applicable award agreement"}],"balance_after":0,"derivative":{"exercise_price":57.27,"expiration_date":"2024-05-13","underlying":"Common Shares, $.0033 par value per share","underlying_shares":9000},"source":{"system":"sec-edgar","filing":"0001179110-17-012175","document":"edgar.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":15,"url":"https://www.sec.gov/Archives/edgar/data/947484/000117911017012175/edgar.xml","form_type":"4"}},{"id":4213020,"issuer":{"id":3120,"kind":"organization","name":"ARCH CAPITAL GROUP LTD.","symbol":"ACGL"},"owners":[{"id":61361,"kind":"person","name":"Papadopoulo Nicolas","position":1,"cik":"0001345284","reported_name":"Papadopoulo Nicolas","relationship":{"director":false,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"CEO of Arch Reinsurance Group"}}],"security":"Share Appreciation Right","published_at":"2017-09-11T21:21:12.000Z","date":"2017-09-07","kind":"exercise","acquired":false,"shares":10770,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F5","text":"The share appreciation right became exercisable in three equal annual installments commencing May 9, 2014, subject to the applicable award agreement"}],"balance_after":0,"derivative":{"exercise_price":53.53,"expiration_date":"2023-05-09","underlying":"Common Shares, $.0033 par value per share","underlying_shares":10770},"source":{"system":"sec-edgar","filing":"0001179110-17-012175","document":"edgar.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":14,"url":"https://www.sec.gov/Archives/edgar/data/947484/000117911017012175/edgar.xml","form_type":"4"}},{"id":4213019,"issuer":{"id":3120,"kind":"organization","name":"ARCH CAPITAL GROUP LTD.","symbol":"ACGL"},"owners":[{"id":61361,"kind":"person","name":"Papadopoulo Nicolas","position":1,"cik":"0001345284","reported_name":"Papadopoulo Nicolas","relationship":{"director":false,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"CEO of Arch Reinsurance Group"}}],"security":"Share Appreciation Right","published_at":"2017-09-11T21:21:12.000Z","date":"2017-09-07","kind":"exercise","acquired":false,"shares":15250,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F4","text":"The share appreciation right became exercisable in three equal annual installments commencing May 9, 2013, subject to the applicable award agreement."}],"balance_after":0,"derivative":{"exercise_price":38.58,"expiration_date":"2022-05-09","underlying":"Common Shares, $.0033 par value per share","underlying_shares":15250},"source":{"system":"sec-edgar","filing":"0001179110-17-012175","document":"edgar.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":13,"url":"https://www.sec.gov/Archives/edgar/data/947484/000117911017012175/edgar.xml","form_type":"4"}},{"id":4213018,"issuer":{"id":3120,"kind":"organization","name":"ARCH CAPITAL GROUP LTD.","symbol":"ACGL"},"owners":[{"id":61361,"kind":"person","name":"Papadopoulo Nicolas","position":1,"cik":"0001345284","reported_name":"Papadopoulo Nicolas","relationship":{"director":false,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"CEO of Arch Reinsurance Group"}}],"security":"Share Appreciation Right","published_at":"2017-09-11T21:21:12.000Z","date":"2017-09-07","kind":"exercise","acquired":false,"shares":14700,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F3","text":"The share appreciation right became exercisable in three equal annual installments commencing May 6, 2012, subject to the applicable award agreement."}],"balance_after":0,"derivative":{"exercise_price":33.913,"expiration_date":"2021-05-06","underlying":"Common Shares, $.0033 par value per share","underlying_shares":14700},"source":{"system":"sec-edgar","filing":"0001179110-17-012175","document":"edgar.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":12,"url":"https://www.sec.gov/Archives/edgar/data/947484/000117911017012175/edgar.xml","form_type":"4"}},{"id":4213017,"issuer":{"id":3120,"kind":"organization","name":"ARCH CAPITAL GROUP LTD.","symbol":"ACGL"},"owners":[{"id":61361,"kind":"person","name":"Papadopoulo Nicolas","position":1,"cik":"0001345284","reported_name":"Papadopoulo Nicolas","relationship":{"director":false,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"CEO of Arch Reinsurance Group"}}],"security":"Share Appreciation Right","published_at":"2017-09-11T21:21:12.000Z","date":"2017-09-07","kind":"exercise","acquired":false,"shares":17250,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"The share appreciation right became exercisable in three equal annual installments commencing May 5, 2011, subject to the applicable award agreement."}],"balance_after":0,"derivative":{"exercise_price":25.01,"expiration_date":"2020-05-05","underlying":"Common Shares, $.0033 par value per share","underlying_shares":17250},"source":{"system":"sec-edgar","filing":"0001179110-17-012175","document":"edgar.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":11,"url":"https://www.sec.gov/Archives/edgar/data/947484/000117911017012175/edgar.xml","form_type":"4"}},{"id":4213016,"issuer":{"id":3120,"kind":"organization","name":"ARCH CAPITAL GROUP LTD.","symbol":"ACGL"},"owners":[{"id":61361,"kind":"person","name":"Papadopoulo Nicolas","position":1,"cik":"0001345284","reported_name":"Papadopoulo Nicolas","relationship":{"director":false,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"CEO of Arch Reinsurance Group"}}],"security":"Share Appreciation Right","published_at":"2017-09-11T21:21:12.000Z","date":"2017-09-07","kind":"exercise","acquired":false,"shares":17250,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"The share appreciation right became exercisable in three equal annual installments commencing May 6, 2010, subject to the applicable award agreement."}],"balance_after":0,"derivative":{"exercise_price":19.293,"expiration_date":"2019-05-06","underlying":"Common Shares, $.0033 par value per share","underlying_shares":17250},"source":{"system":"sec-edgar","filing":"0001179110-17-012175","document":"edgar.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":10,"url":"https://www.sec.gov/Archives/edgar/data/947484/000117911017012175/edgar.xml","form_type":"4"}},{"id":4213015,"issuer":{"id":3120,"kind":"organization","name":"ARCH CAPITAL GROUP LTD.","symbol":"ACGL"},"owners":[{"id":61361,"kind":"person","name":"Papadopoulo Nicolas","position":1,"cik":"0001345284","reported_name":"Papadopoulo Nicolas","relationship":{"director":false,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"CEO of Arch Reinsurance Group"}}],"security":"Common Shares, $.0033 par value per share","published_at":"2017-09-11T21:21:12.000Z","date":"2017-09-08","kind":"sale","acquired":false,"shares":80694,"price":93.8012,"value":7569194.0328,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F8","text":"Represents a weighted average sale price; the sales prices range from $93.32 to $94.30. Upon request, the full information regarding the number of shares sold at each price increment will be provided to the Commission or to a security holder of the issuer."}],"balance_after":220953,"source":{"system":"sec-edgar","filing":"0001179110-17-012175","document":"edgar.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":9,"url":"https://www.sec.gov/Archives/edgar/data/947484/000117911017012175/edgar.xml","form_type":"4"}},{"id":4213014,"issuer":{"id":3120,"kind":"organization","name":"ARCH CAPITAL GROUP LTD.","symbol":"ACGL"},"owners":[{"id":61361,"kind":"person","name":"Papadopoulo Nicolas","position":1,"cik":"0001345284","reported_name":"Papadopoulo Nicolas","relationship":{"director":false,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"CEO of Arch Reinsurance Group"}}],"security":"Common Shares, $.0033 par value per share","published_at":"2017-09-11T21:21:12.000Z","date":"2017-09-07","kind":"tax_withholding","acquired":false,"shares":39402,"price":91.53,"value":3606465.06,"ownership":{"direct":true},"balance_after":301647,"source":{"system":"sec-edgar","filing":"0001179110-17-012175","document":"edgar.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":8,"url":"https://www.sec.gov/Archives/edgar/data/947484/000117911017012175/edgar.xml","form_type":"4"}},{"id":4213013,"issuer":{"id":3120,"kind":"organization","name":"ARCH CAPITAL GROUP LTD.","symbol":"ACGL"},"owners":[{"id":61361,"kind":"person","name":"Papadopoulo Nicolas","position":1,"cik":"0001345284","reported_name":"Papadopoulo Nicolas","relationship":{"director":false,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"CEO of Arch Reinsurance Group"}}],"security":"Common Shares, $.0033 par value per share","published_at":"2017-09-11T21:21:12.000Z","date":"2017-09-07","kind":"exercise","acquired":true,"shares":11617,"price":57.08,"value":663098.36,"ownership":{"direct":true},"balance_after":341049,"source":{"system":"sec-edgar","filing":"0001179110-17-012175","document":"edgar.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":7,"url":"https://www.sec.gov/Archives/edgar/data/947484/000117911017012175/edgar.xml","form_type":"4"}},{"id":4213012,"issuer":{"id":3120,"kind":"organization","name":"ARCH CAPITAL GROUP LTD.","symbol":"ACGL"},"owners":[{"id":61361,"kind":"person","name":"Papadopoulo Nicolas","position":1,"cik":"0001345284","reported_name":"Papadopoulo Nicolas","relationship":{"director":false,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"CEO of Arch Reinsurance Group"}}],"security":"Common Shares, $.0033 par value per share","published_at":"2017-09-11T21:21:12.000Z","date":"2017-09-07","kind":"exercise","acquired":true,"shares":9000,"price":57.27,"value":515430.0,"ownership":{"direct":true},"balance_after":329432,"source":{"system":"sec-edgar","filing":"0001179110-17-012175","document":"edgar.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":6,"url":"https://www.sec.gov/Archives/edgar/data/947484/000117911017012175/edgar.xml","form_type":"4"}},{"id":4213011,"issuer":{"id":3120,"kind":"organization","name":"ARCH CAPITAL GROUP LTD.","symbol":"ACGL"},"owners":[{"id":61361,"kind":"person","name":"Papadopoulo Nicolas","position":1,"cik":"0001345284","reported_name":"Papadopoulo Nicolas","relationship":{"director":false,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"CEO of Arch Reinsurance Group"}}],"security":"Common Shares, $.0033 par value per share","published_at":"2017-09-11T21:21:12.000Z","date":"2017-09-07","kind":"exercise","acquired":true,"shares":10770,"price":53.53,"value":576518.1,"ownership":{"direct":true},"balance_after":320432,"source":{"system":"sec-edgar","filing":"0001179110-17-012175","document":"edgar.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/947484/000117911017012175/edgar.xml","form_type":"4"}},{"id":4213010,"issuer":{"id":3120,"kind":"organization","name":"ARCH CAPITAL GROUP LTD.","symbol":"ACGL"},"owners":[{"id":61361,"kind":"person","name":"Papadopoulo Nicolas","position":1,"cik":"0001345284","reported_name":"Papadopoulo Nicolas","relationship":{"director":false,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"CEO of Arch Reinsurance Group"}}],"security":"Common Shares, $.0033 par value per share","published_at":"2017-09-11T21:21:12.000Z","date":"2017-09-07","kind":"exercise","acquired":true,"shares":15250,"price":38.58,"value":588345.0,"ownership":{"direct":true},"balance_after":309662,"source":{"system":"sec-edgar","filing":"0001179110-17-012175","document":"edgar.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/947484/000117911017012175/edgar.xml","form_type":"4"}},{"id":4213009,"issuer":{"id":3120,"kind":"organization","name":"ARCH CAPITAL GROUP LTD.","symbol":"ACGL"},"owners":[{"id":61361,"kind":"person","name":"Papadopoulo Nicolas","position":1,"cik":"0001345284","reported_name":"Papadopoulo Nicolas","relationship":{"director":false,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"CEO of Arch Reinsurance Group"}}],"security":"Common Shares, $.0033 par value per share","published_at":"2017-09-11T21:21:12.000Z","date":"2017-09-07","kind":"exercise","acquired":true,"shares":14700,"price":33.913,"value":498521.1,"ownership":{"direct":true},"balance_after":294412,"source":{"system":"sec-edgar","filing":"0001179110-17-012175","document":"edgar.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/947484/000117911017012175/edgar.xml","form_type":"4"}},{"id":4213008,"issuer":{"id":3120,"kind":"organization","name":"ARCH CAPITAL GROUP LTD.","symbol":"ACGL"},"owners":[{"id":61361,"kind":"person","name":"Papadopoulo Nicolas","position":1,"cik":"0001345284","reported_name":"Papadopoulo Nicolas","relationship":{"director":false,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"CEO of Arch Reinsurance Group"}}],"security":"Common Shares, $.0033 par value per share","published_at":"2017-09-11T21:21:12.000Z","date":"2017-09-07","kind":"exercise","acquired":true,"shares":17250,"price":25.01,"value":431422.5,"ownership":{"direct":true},"balance_after":279712,"source":{"system":"sec-edgar","filing":"0001179110-17-012175","document":"edgar.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/947484/000117911017012175/edgar.xml","form_type":"4"}},{"id":4213007,"issuer":{"id":3120,"kind":"organization","name":"ARCH CAPITAL GROUP LTD.","symbol":"ACGL"},"owners":[{"id":61361,"kind":"person","name":"Papadopoulo Nicolas","position":1,"cik":"0001345284","reported_name":"Papadopoulo Nicolas","relationship":{"director":false,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"CEO of Arch Reinsurance Group"}}],"security":"Common Shares, $.0033 par value per share","published_at":"2017-09-11T21:21:12.000Z","date":"2017-09-07","kind":"exercise","acquired":true,"shares":17250,"price":19.293,"value":332804.25,"ownership":{"direct":true},"footnotes":[{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F9","text":"Amount includes 300 common shares acquired under the Arch Capital Group Ltd. Employee Share Purchase Plan on May 31, 2017."}],"balance_after":262462,"source":{"system":"sec-edgar","filing":"0001179110-17-012175","document":"edgar.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/947484/000117911017012175/edgar.xml","form_type":"4"}},{"id":4312309,"issuer":{"id":3120,"kind":"organization","name":"ARCH CAPITAL GROUP LTD.","symbol":"ACGL"},"owners":[{"id":61361,"kind":"person","name":"Papadopoulo Nicolas","position":1,"cik":"0001345284","reported_name":"Papadopoulo Nicolas","relationship":{"director":false,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"CEO of Arch Reinsurance Group"}}],"security":"Common Shares, $.0033 par value per share","published_at":"2017-05-19T17:08:48.000Z","date":"2017-05-18","kind":"sale","acquired":false,"shares":20000,"price":95.3902,"value":1907804.0,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Represents a weighted average sales price; the sales prices range from $95.09 to $95.795. Upon request, the full sale information regarding the number of shares sold at each price increment will be provided to the Commission or to the security holder of the issuer."}],"balance_after":244912,"source":{"system":"sec-edgar","filing":"0001179110-17-007576","document":"edgar.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/947484/000117911017007576/edgar.xml","form_type":"4"}},{"id":4327057,"issuer":{"id":3120,"kind":"organization","name":"ARCH CAPITAL GROUP LTD.","symbol":"ACGL"},"owners":[{"id":61361,"kind":"person","name":"Papadopoulo Nicolas","position":1,"cik":"0001345284","reported_name":"Papadopoulo Nicolas","relationship":{"director":false,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"CEO of Arch Reinsurance Group"}}],"security":"Stock Option (right to buy)","published_at":"2017-05-10T15:25:08.000Z","date":"2017-05-08","kind":"grant","acquired":true,"shares":7350,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"The stock option will become exercisable in three equal annual installments, with the first installment becoming exercisable on May 8, 2018 and the next two installments on May 8, 2019 and May 8, 2020, subject to the applicable award agreement."}],"balance_after":7350,"derivative":{"exercise_price":96.26,"expiration_date":"2028-05-08","underlying":"Common Shares, $.0033 par value per share","underlying_shares":7350},"source":{"system":"sec-edgar","filing":"0001179110-17-006967","document":"edgar.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/947484/000117911017006967/edgar.xml","form_type":"4"}},{"id":4327056,"issuer":{"id":3120,"kind":"organization","name":"ARCH CAPITAL GROUP LTD.","symbol":"ACGL"},"owners":[{"id":61361,"kind":"person","name":"Papadopoulo Nicolas","position":1,"cik":"0001345284","reported_name":"Papadopoulo Nicolas","relationship":{"director":false,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"CEO of Arch Reinsurance Group"}}],"security":"Share Appreciation Right","published_at":"2017-05-10T15:25:08.000Z","date":"2017-05-08","kind":"exercise","acquired":false,"shares":25050,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"The share appreciation right became exercisable in three equal annual installments, commencing May 9, 2009, subject to the applicable award agreement."}],"balance_after":0,"derivative":{"exercise_price":23.1,"expiration_date":"2018-05-09","underlying":"Common Shares, $.0033 par value per share","underlying_shares":25050},"source":{"system":"sec-edgar","filing":"0001179110-17-006967","document":"edgar.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/947484/000117911017006967/edgar.xml","form_type":"4"}},{"id":4327055,"issuer":{"id":3120,"kind":"organization","name":"ARCH CAPITAL GROUP LTD.","symbol":"ACGL"},"owners":[{"id":61361,"kind":"person","name":"Papadopoulo Nicolas","position":1,"cik":"0001345284","reported_name":"Papadopoulo Nicolas","relationship":{"director":false,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"CEO of Arch Reinsurance Group"}}],"security":"Common Shares, $.0033 par value per share","published_at":"2017-05-10T15:25:08.000Z","date":"2017-05-08","kind":"grant","acquired":true,"shares":7350,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F4","text":"Represents restricted shares that vest in three equal annual installments on May 8th in each of 2018, 2019, and 2020, subject to the applicable award agreement."}],"balance_after":264912,"source":{"system":"sec-edgar","filing":"0001179110-17-006967","document":"edgar.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/947484/000117911017006967/edgar.xml","form_type":"4"}},{"id":4327054,"issuer":{"id":3120,"kind":"organization","name":"ARCH CAPITAL GROUP LTD.","symbol":"ACGL"},"owners":[{"id":61361,"kind":"person","name":"Papadopoulo Nicolas","position":1,"cik":"0001345284","reported_name":"Papadopoulo Nicolas","relationship":{"director":false,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"CEO of Arch Reinsurance Group"}}],"security":"Common Shares, $.0033 par value per share","published_at":"2017-05-10T15:25:08.000Z","date":"2017-05-08","kind":"tax_withholding","acquired":false,"shares":6012,"price":23.1,"value":138877.2,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F3","text":"In connection with the exercise of the share appreciation rights award described in Table II, 6,012 common shares were disposed in satisfaction of the exercise price. The reporting person received a net issuance of 19,038 common shares."}],"balance_after":257562,"source":{"system":"sec-edgar","filing":"0001179110-17-006967","document":"edgar.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/947484/000117911017006967/edgar.xml","form_type":"4"}},{"id":4327053,"issuer":{"id":3120,"kind":"organization","name":"ARCH CAPITAL GROUP LTD.","symbol":"ACGL"},"owners":[{"id":61361,"kind":"person","name":"Papadopoulo Nicolas","position":1,"cik":"0001345284","reported_name":"Papadopoulo Nicolas","relationship":{"director":false,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"CEO of Arch Reinsurance Group"}}],"security":"Common Shares, $.0033 par value per share","published_at":"2017-05-10T15:25:08.000Z","date":"2017-05-08","kind":"exercise","acquired":true,"shares":25050,"price":23.1,"value":578655.0,"ownership":{"direct":true},"balance_after":263574,"source":{"system":"sec-edgar","filing":"0001179110-17-006967","document":"edgar.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/947484/000117911017006967/edgar.xml","form_type":"4"}},{"id":4333823,"issuer":{"id":3120,"kind":"organization","name":"ARCH CAPITAL GROUP LTD.","symbol":"ACGL"},"owners":[{"id":61361,"kind":"person","name":"Papadopoulo Nicolas","position":1,"cik":"0001345284","reported_name":"Papadopoulo Nicolas","relationship":{"director":false,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"CEO of Arch Reinsurance Group"}}],"security":"Common Shares, $.0033 par value per share","published_at":"2017-05-04T20:11:13.000Z","date":"2017-05-03","kind":"sale","acquired":false,"shares":5912,"price":96.5582,"value":570852.0784,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F2","text":"Represents a weighted average sales price; the sales prices range from $96.50 to $96.83. Upon request, the full sale information regarding the number of shares sold at each price increment will be provided to the Commission or to the security holder of the issuer."}],"balance_after":238524,"source":{"system":"sec-edgar","filing":"0001179110-17-006557","document":"edgar.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/947484/000117911017006557/edgar.xml","form_type":"4"}},{"id":4333822,"issuer":{"id":3120,"kind":"organization","name":"ARCH CAPITAL GROUP LTD.","symbol":"ACGL"},"owners":[{"id":61361,"kind":"person","name":"Papadopoulo Nicolas","position":1,"cik":"0001345284","reported_name":"Papadopoulo Nicolas","relationship":{"director":false,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"CEO of Arch Reinsurance Group"}}],"security":"Common Shares, $.0033 par value per share","published_at":"2017-05-04T20:11:13.000Z","date":"2017-05-02","kind":"sale","acquired":false,"shares":9588,"price":96.7329,"value":927475.0452,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Represents a weighted average sales price; the sales prices range from $96.50 to $96.98 Upon request, the full sale information regarding the number of shares sold at each price increment will be provided to the Commission or to the security holder of the issuer."}],"balance_after":244436,"source":{"system":"sec-edgar","filing":"0001179110-17-006557","document":"edgar.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/947484/000117911017006557/edgar.xml","form_type":"4"}}]}