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On September 20, 2019, the second installment of 4,804 PSUs vested at 200% of target, such that 9,608 shares became issuable. Of these 4,771 were issued to the reporting person and the remaining 4,837 were withheld to pay the associated tax liability. 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A 2x multiplier will be applied to the total shareholder returns (TSR) for each 1% of positive or negative relative TSR, and the number of shares earned will increase or decrease by 2% of the target number shown in table. In the event 8x8's common stock performance is below negative 30%, relative to the benchmark, no shares will be issued. Maximum number of shares issuable is two times the number shown in the table."}],"balance_after":12254,"derivative":{"expiration_date":"2021-10-23","underlying":"Common Stock","underlying_shares":12254},"source":{"system":"sec-edgar","filing":"0001023731-18-000054","document":"primary_doc.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1023731/000102373118000054/primary_doc.xml","form_type":"4"}},{"id":3783509,"issuer":{"id":6065,"kind":"organization","name":"8X8 INC /DE/","symbol":"EGHT"},"owners":[{"id":134492,"kind":"person","name":"MARTIN BRYAN R","position":1,"cik":"0001085676","reported_name":"MARTIN BRYAN R","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Technology Officer"}}],"security":"Restricted Stock Units","published_at":"2018-10-26T01:15:20.000Z","date":"2018-10-23","kind":"grant","acquired":true,"shares":12254,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Each restricted stock unit represents a contingent right to receive one share of EGHT common stock."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"RSUs shall vest with respect to one-third (33.3%) of the total number of underlying shares on the first anniversary of the Vesting Commencement Date, then eight and one-third percent (8.3375%) vesting each quarter thereafter, over a period of eight (8) quarters, subject to the participant's continued employment or other association with the Company."}],"balance_after":12254,"derivative":{"expiration_date":"2021-10-23","underlying":"Common Stock","underlying_shares":12254},"source":{"system":"sec-edgar","filing":"0001023731-18-000054","document":"primary_doc.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1023731/000102373118000054/primary_doc.xml","form_type":"4"}},{"id":3784369,"issuer":{"id":6065,"kind":"organization","name":"8X8 INC /DE/","symbol":"EGHT"},"owners":[{"id":134492,"kind":"person","name":"MARTIN BRYAN R","position":1,"cik":"0001085676","reported_name":"MARTIN BRYAN R","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Technology Officer"}}],"security":"Restricted Stock Unit","published_at":"2018-10-25T01:40:27.000Z","date":"2018-10-21","kind":"exercise","acquired":false,"shares":3336,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F6","text":"Each RSU represents a contingent right to receive one share of EGHT common stock."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F8","text":"RSUs do not vest unless and until average closing price of 8x8 common stock over any 30 consecutive trading day period within 4 years from the grant date exceeds 150% of grant date closing price; then, at rate of 25% on each anniversary of the grant date."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F9","text":"Prior Form 4 reports filed by the Reporting Person have calculated this figure as the sum of all (a) issued and outstanding shares, (b) shares issuable upon vesting of unvested restricted stock units (RSUs), (c) shares issuable upon vesting of unvested performance share units (PSUs) and (d) shares issuable upon exercise of options (vested and unvested), in each case owned, directly or indirectly, by the Reporting Person. The figure reported here includes only the remaining number of shares issuable upon vesting of the derivative security shown in this row."}],"balance_after":0,"derivative":{"expiration_date":"2018-10-21","underlying":"Common Stock","underlying_shares":3336},"source":{"system":"sec-edgar","filing":"0001023731-18-000049","document":"primary_doc.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":6,"url":"https://www.sec.gov/Archives/edgar/data/1023731/000102373118000049/primary_doc.xml","form_type":"4"}},{"id":3784368,"issuer":{"id":6065,"kind":"organization","name":"8X8 INC /DE/","symbol":"EGHT"},"owners":[{"id":134492,"kind":"person","name":"MARTIN BRYAN R","position":1,"cik":"0001085676","reported_name":"MARTIN BRYAN R","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Technology Officer"}}],"security":"Restricted Stock Unit","published_at":"2018-10-25T01:40:27.000Z","date":"2018-10-21","kind":"exercise","acquired":false,"shares":8126,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F6","text":"Each RSU represents a contingent right to receive one share of EGHT common stock."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F7","text":"This award vested at the rate of 8,126 shares on each of the following dates: October 21, 2015, October 21, 2016, October 21, 2017 and October 21, 2018."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F9","text":"Prior Form 4 reports filed by the Reporting Person have calculated this figure as the sum of all (a) issued and outstanding shares, (b) shares issuable upon vesting of unvested restricted stock units (RSUs), (c) shares issuable upon vesting of unvested performance share units (PSUs) and (d) shares issuable upon exercise of options (vested and unvested), in each case owned, directly or indirectly, by the Reporting Person. The figure reported here includes only the remaining number of shares issuable upon vesting of the derivative security shown in this row."}],"balance_after":0,"derivative":{"expiration_date":"2018-10-21","underlying":"Common Stock","underlying_shares":8126},"source":{"system":"sec-edgar","filing":"0001023731-18-000049","document":"primary_doc.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1023731/000102373118000049/primary_doc.xml","form_type":"4"}},{"id":3784367,"issuer":{"id":6065,"kind":"organization","name":"8X8 INC /DE/","symbol":"EGHT"},"owners":[{"id":134492,"kind":"person","name":"MARTIN BRYAN R","position":1,"cik":"0001085676","reported_name":"MARTIN BRYAN R","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Technology Officer"}}],"security":"Common Stock","published_at":"2018-10-25T01:40:27.000Z","date":"2018-10-21","kind":"tax_withholding","acquired":false,"shares":1679,"price":17.81,"value":29902.99,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F4","text":"Payment of tax liability by withholding securities incident to vesting of RSUs and PSUs."}],"balance_after":430316,"source":{"system":"sec-edgar","filing":"0001023731-18-000049","document":"primary_doc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1023731/000102373118000049/primary_doc.xml","form_type":"4"}},{"id":3784366,"issuer":{"id":6065,"kind":"organization","name":"8X8 INC /DE/","symbol":"EGHT"},"owners":[{"id":134492,"kind":"person","name":"MARTIN BRYAN R","position":1,"cik":"0001085676","reported_name":"MARTIN BRYAN R","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Technology Officer"}}],"security":"Common Stock","published_at":"2018-10-25T01:40:27.000Z","date":"2018-10-21","kind":"exercise","acquired":true,"shares":3336,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F5","text":"3,336 PSUs became fully vested and have been converted to Common Stock."}],"balance_after":431995,"source":{"system":"sec-edgar","filing":"0001023731-18-000049","document":"primary_doc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1023731/000102373118000049/primary_doc.xml","form_type":"4"}},{"id":3784365,"issuer":{"id":6065,"kind":"organization","name":"8X8 INC /DE/","symbol":"EGHT"},"owners":[{"id":134492,"kind":"person","name":"MARTIN BRYAN R","position":1,"cik":"0001085676","reported_name":"MARTIN BRYAN R","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Technology Officer"}}],"security":"Common Stock","published_at":"2018-10-25T01:40:27.000Z","date":"2018-10-21","kind":"tax_withholding","acquired":false,"shares":4091,"price":17.81,"value":72860.71,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F4","text":"Payment of tax liability by withholding securities incident to vesting of RSUs and PSUs."}],"balance_after":428659,"source":{"system":"sec-edgar","filing":"0001023731-18-000049","document":"primary_doc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1023731/000102373118000049/primary_doc.xml","form_type":"4"}},{"id":3784364,"issuer":{"id":6065,"kind":"organization","name":"8X8 INC /DE/","symbol":"EGHT"},"owners":[{"id":134492,"kind":"person","name":"MARTIN BRYAN R","position":1,"cik":"0001085676","reported_name":"MARTIN BRYAN R","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Technology Officer"}}],"security":"Common Stock","published_at":"2018-10-25T01:40:27.000Z","date":"2018-10-21","kind":"exercise","acquired":true,"shares":8126,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"8,126 Restricted Stock Units (RSUs) became fully vested and have been converted to Common Stock."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Prior Form 4 reports filed by the Reporting Person have calculated this figure as the sum of all (a) issued and outstanding shares, (b) shares issuable upon vesting of unvested RSUs, (c) shares issuable upon vesting of unvested performance share units (PSUs) and (d) shares issuable upon exercise of options (vested and unvested), in each case owned, directly or indirectly, by the Reporting Person. The figure reported here includes only issued and outstanding shares owned by the Reporting Officer.\n\nThe grant dates and number of shares remaining subject to the RSUs referenced in (b) above are as follows:  (i) September 22, 2015, 9,282 shares, and (ii) September 20, 2016, 12,896 shares."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"The grant dates and number of shares remaining subject to the PSUs referenced in (c) above are as follows: (i) September 20, 2016, 4,804 shares, and (ii) September 26, 2016, 4,804 shares.\n\nThe grant dates and number of shares remaining subject to the options referenced in (d) above are as follows: (i) August 21, 2012, 200,000 shares, (ii) September 17, 2013, 84,864 shares, (iii) October 21, 2014, 54,176 shares, and (iv) September 15, 2015, 37,128 shares."}],"balance_after":432750,"source":{"system":"sec-edgar","filing":"0001023731-18-000049","document":"primary_doc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1023731/000102373118000049/primary_doc.xml","form_type":"4"}},{"id":3809328,"issuer":{"id":6065,"kind":"organization","name":"8X8 INC /DE/","symbol":"EGHT"},"owners":[{"id":134492,"kind":"person","name":"MARTIN BRYAN R","position":1,"cik":"0001085676","reported_name":"MARTIN BRYAN R","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Technology Officer"}}],"security":"Restricted Stock Unit","published_at":"2018-09-24T19:08:25.000Z","date":"2018-09-22","kind":"exercise","acquired":false,"shares":14020,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F6","text":"Each restricted sock unit represents a contingent right to receive on share of EGHT common stock."},{"field":"kind","element":"transactionCoding","label":"F5","text":"14,020 Restricted Stock Units became fully vested and have been converted to Common Stock."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F13","text":"RSUs vest (1) 50% on September 22, 2017 and (2) 50% on September 27, 2018, in each case subject to performance of 8x8's common stock relative to the Russell 2000 Index during the period from grant date through such vesting date. A 2x multiplier will be applied to the total shareholder returns (TSR) for each 1% of positive or negative relative TSR, and the number of shares earned will increase or decrease by 2% of the target number shown in table. In the event 8x8's common stock performance is below negative 30%, relative to the benchmark, no shares will be issued. Maximum number of shares issuable is two times the number shown in the table."}],"balance_after":844040,"derivative":{"expiration_date":"2018-09-22","underlying":"Common Stock","underlying_shares":14020},"source":{"system":"sec-edgar","filing":"0001023731-18-000036","document":"primary_doc.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":18,"url":"https://www.sec.gov/Archives/edgar/data/1023731/000102373118000036/primary_doc.xml","form_type":"4"}},{"id":3809327,"issuer":{"id":6065,"kind":"organization","name":"8X8 INC /DE/","symbol":"EGHT"},"owners":[{"id":134492,"kind":"person","name":"MARTIN BRYAN R","position":1,"cik":"0001085676","reported_name":"MARTIN BRYAN R","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Technology Officer"}}],"security":"Restricted Stock Unit","published_at":"2018-09-24T19:08:25.000Z","date":"2018-09-22","kind":"other","acquired":true,"shares":7010,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F6","text":"Each restricted sock unit represents a contingent right to receive on share of EGHT common stock."},{"field":"kind","element":"transactionCoding","label":"F12","text":"As previously reported on a Form 4, the reporting person was awarded 14,020 performance share units (PSUs) on September 22, 2015, of which 50% were eligible to vest on each of the second and third anniversaries of the award date. On September 22, 2018, the second installment of 7,010 PSUs vested at 200.0% of target, such that 14,020 shares became issuable. Of these shares, 6,961 were issued to the reporting person and the remaining 7,059 were withheld to pay the associated tax liability. The 7,010 units reported in Table II correspond to the additional shares issued in excess of 7,010 share target for the second vesting installment."}],"balance_after":858060,"derivative":{"exercise_date":"2018-09-22","expiration_date":"2018-09-22","underlying":"Common Stock","underlying_shares":7010},"source":{"system":"sec-edgar","filing":"0001023731-18-000036","document":"primary_doc.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":17,"url":"https://www.sec.gov/Archives/edgar/data/1023731/000102373118000036/primary_doc.xml","form_type":"4"}},{"id":3809326,"issuer":{"id":6065,"kind":"organization","name":"8X8 INC /DE/","symbol":"EGHT"},"owners":[{"id":134492,"kind":"person","name":"MARTIN BRYAN R","position":1,"cik":"0001085676","reported_name":"MARTIN BRYAN R","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Technology Officer"}}],"security":"Restricted Stock Unit","published_at":"2018-09-24T19:08:25.000Z","date":"2018-09-22","kind":"exercise","acquired":false,"shares":9282,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F6","text":"Each restricted sock unit represents a contingent right to receive on share of EGHT common stock."},{"field":"kind","element":"transactionCoding","label":"F4","text":"9,282 Restricted Stock Units became fully vested and have been converted to Common Stock."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F11","text":"This award vests at the rate of one-fourth of such shares at September 22, 2016, one-fourth of such shares at September 22, 2017, one-fourth of such shares at September 22, 2018 and one-fourth of such shares at September 22, 2019."}],"balance_after":851050,"derivative":{"expiration_date":"2019-09-22","underlying":"Common Stock","underlying_shares":9282},"source":{"system":"sec-edgar","filing":"0001023731-18-000036","document":"primary_doc.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":16,"url":"https://www.sec.gov/Archives/edgar/data/1023731/000102373118000036/primary_doc.xml","form_type":"4"}}],"next_cursor":"2018-09-24T19:08:25.000000Z,3809326"}