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beneficiaries of the family trust are the reporting person, his spouse and their children."}],"balance_after":0,"derivative":{"exercise_price":23.707,"expiration_date":"2017-05-11","underlying":"Common Shares, $.0033 par value per share","underlying_shares":15750},"source":{"system":"sec-edgar","filing":"0001179110-17-003240","document":"edgar.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":7,"url":"https://www.sec.gov/Archives/edgar/data/947484/000117911017003240/edgar.xml","form_type":"4"}},{"id":4422615,"issuer":{"id":3120,"kind":"organization","name":"ARCH CAPITAL GROUP LTD.","symbol":"ACGL"},"owners":[{"id":138861,"kind":"person","name":"Hutchings W Preston","position":1,"cik":"0001331038","reported_name":"Hutchings W Preston","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"SVP & Chief Investment Officer"}}],"security":"Common Shares, $.0033 par value per share","published_at":"2017-02-27T21:23:58.000Z","date":"2017-02-27","kind":"sale","acquired":false,"shares":8000,"price":93.91,"value":751280.0,"ownership":{"direct":false,"nature":"By Company"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F4","text":"Represents a weighted average sales price; the sales prices range from $93.86 to $93.96. 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."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F1","text":"The shares are held by a company which is owned by a family trust; beneficiaries of the family trust are the reporting person, his spouse and their children."}],"balance_after":189389,"source":{"system":"sec-edgar","filing":"0001179110-17-003240","document":"edgar.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/947484/000117911017003240/edgar.xml","form_type":"4"}},{"id":4422614,"issuer":{"id":3120,"kind":"organization","name":"ARCH CAPITAL GROUP LTD.","symbol":"ACGL"},"owners":[{"id":138861,"kind":"person","name":"Hutchings W Preston","position":1,"cik":"0001331038","reported_name":"Hutchings W Preston","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"SVP & Chief Investment Officer"}}],"security":"Common Shares, $.0033 par value per share","published_at":"2017-02-27T21:23:58.000Z","date":"2017-02-23","kind":"tax_withholding","acquired":false,"shares":3949,"price":94.56,"value":373417.44,"ownership":{"direct":false,"nature":"By Company"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F3","text":"In connection with the exercise of a share appreciation right as described in Table II, 3,949 shares were disposed of in satisfaction of the exercise price; 11,801 net shares were issued."},{"field":"shares","element":"transactionShares","label":"F3","text":"In connection with the exercise of a share appreciation right as described in Table II, 3,949 shares were disposed of in satisfaction of the exercise price; 11,801 net shares were issued."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F1","text":"The shares are held by a company which is owned by a family trust; beneficiaries of the family trust are the reporting person, his spouse and their children."}],"balance_after":197389,"source":{"system":"sec-edgar","filing":"0001179110-17-003240","document":"edgar.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/947484/000117911017003240/edgar.xml","form_type":"4"}},{"id":4422613,"issuer":{"id":3120,"kind":"organization","name":"ARCH CAPITAL GROUP LTD.","symbol":"ACGL"},"owners":[{"id":138861,"kind":"person","name":"Hutchings W Preston","position":1,"cik":"0001331038","reported_name":"Hutchings W Preston","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"SVP & Chief Investment Officer"}}],"security":"Common Shares, $.0033 par value per share","published_at":"2017-02-27T21:23:58.000Z","date":"2017-02-23","kind":"exercise","acquired":true,"shares":15750,"price":23.707,"value":373385.25,"ownership":{"direct":false,"nature":"By Company"},"footnotes":[{"field":"ownership.nature","element":"natureOfOwnership","label":"F1","text":"The shares are held by a company which is owned by a family trust; beneficiaries of the family trust are the reporting person, his spouse and their children."}],"balance_after":201338,"source":{"system":"sec-edgar","filing":"0001179110-17-003240","document":"edgar.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/947484/000117911017003240/edgar.xml","form_type":"4"}}]}