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transferred 3,750 shares to the Sung Won Sohn Trust."}],"balance_after":6560,"source":{"system":"sec-edgar","filing":"0001212545-19-000050","document":"wf-form4_154957777825251.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1212545/000121254519000050/wf-form4_154957777825251.xml","form_type":"4"}},{"id":3942313,"issuer":{"id":3616,"kind":"organization","name":"WESTERN ALLIANCE BANCORPORATION","symbol":"WAL"},"owners":[{"id":94492,"kind":"person","name":"Sohn Sung Won","position":1,"cik":"0001507826","reported_name":"Sohn Sung Won","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2018-05-08T21:18:24.000Z","date":"2018-05-04","kind":"sale","acquired":false,"shares":2500,"price":60,"value":150000.0,"ownership":{"direct":false,"nature":"Sung Won Sohn 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Stock","published_at":"2018-02-01T21:38:42.000Z","date":"2018-01-30","kind":"grant","acquired":true,"shares":3750,"price":0,"value":0.0,"ownership":{"direct":true},"balance_after":5310,"source":{"system":"sec-edgar","filing":"0001212545-18-000032","document":"wf-form4_151752110817718.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1212545/000121254518000032/wf-form4_151752110817718.xml","form_type":"4"}},{"id":4179355,"issuer":{"id":3616,"kind":"organization","name":"WESTERN ALLIANCE BANCORPORATION","symbol":"WAL"},"owners":[{"id":94492,"kind":"person","name":"Sohn Sung Won","position":1,"cik":"0001507826","reported_name":"Sohn Sung Won","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2017-10-27T21:12:12.000Z","date":"2017-10-25","kind":"sale","acquired":false,"shares":5000,"price":55.89,"value":279450.0,"ownership":{"direct":false,"nature":"Sung Won Sohn Trust"},"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 $55.68 to $56.02, inclusive. The reporting person undertakes to provide to Western Alliance Bancorporation, any security holder of Western Alliance Bancorporation, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within this range."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"This filing reflects the following transfers between forms of ownership, which were inadvertently excluded from the Reporting Person's previous Form 4 filings: (1) 169 shares transferred from the Reporting Person's direct holdings (\"Direct Holdings\") to the Sung Won Sohn Trust (the \"Sohn Trust\") on January 25, 2014; (2) 10,270 shares transferred from Direct Holdings to the Sohn Trust on April 1, 2014; (3) 4,082 shares transferred from Direct Holdings to the Sohn Trust on June 5, 2014; (4) 5,000 shares transferred from Direct Holdings to the Sohn Trust on June 30, 2014; (5) 5,000 shares transferred from Direct Holdings to the Sohn Trust on June  30, 2015; and (6) 4,500 shares transferred from Direct Holdings to the Sohn Trust on June  30, 2016."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"On July 1, 2017, the Reporting Person transferred 4,000 shares from the Reporting Person's direct holdings to the Sung Won Sohn Trust."}],"balance_after":28021,"source":{"system":"sec-edgar","filing":"0001212545-17-000200","document":"wf-form4_150913871917346.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1212545/000121254517000200/wf-form4_150913871917346.xml","form_type":"4"}},{"id":4480409,"issuer":{"id":3616,"kind":"organization","name":"WESTERN ALLIANCE BANCORPORATION","symbol":"WAL"},"owners":[{"id":94492,"kind":"person","name":"Sohn Sung Won","position":1,"cik":"0001507826","reported_name":"Sohn Sung Won","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2017-01-26T15:40:12.000Z","date":"2017-01-24","kind":"grant","acquired":true,"shares":4000,"price":0,"value":0.0,"ownership":{"direct":true},"balance_after":34581,"source":{"system":"sec-edgar","filing":"0001212545-17-000010","document":"wf-form4_148544519938069.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1212545/000121254517000010/wf-form4_148544519938069.xml","form_type":"4"}}]}