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The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price."}],"balance_after":36648,"source":{"system":"sec-edgar","filing":"0000899243-19-006430","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/917273/000089924319006430/doc4.xml","form_type":"4"}},{"id":3799523,"issuer":{"id":3575,"kind":"organization","name":"RAMBUS INC","symbol":"RMBS"},"owners":[{"id":150131,"kind":"person","name":"FISHER ELLIS THOMAS","position":1,"cik":"0001631809","reported_name":"FISHER ELLIS THOMAS","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2018-10-03T23:45:26.000Z","date":"2018-10-01","kind":"grant","acquired":true,"shares":14110,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"The shares are represented by restricted stock units, or RSUs, all of which vest October 1, 2019 or the first business day thereafter. 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Upon request by the Commission Staff, the Issuer, or a security holder of the Issuer, the Reporting Person will provide full information regarding the number of shares sold at each separate price."}],"balance_after":28442,"source":{"system":"sec-edgar","filing":"0001209191-17-055772","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/917273/000120919117055772/doc4.xml","form_type":"4"}},{"id":4192710,"issuer":{"id":3575,"kind":"organization","name":"RAMBUS INC","symbol":"RMBS"},"owners":[{"id":150131,"kind":"person","name":"FISHER ELLIS THOMAS","position":1,"cik":"0001631809","reported_name":"FISHER ELLIS THOMAS","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2017-10-04T20:13:45.000Z","date":"2017-10-02","kind":"grant","acquired":true,"shares":11792,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Shares are represented by restricted stock units.  Each restricted stock unit represents a contingent right to receive one share of RMBS common stock."},{"field":"shares","element":"transactionShares","label":"F2","text":"All of the restricted stock units will vest on October 2, 2018 or the first business trading day thereafter."}],"balance_after":34879,"source":{"system":"sec-edgar","filing":"0001209191-17-055772","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/917273/000120919117055772/doc4.xml","form_type":"4"}},{"id":4201813,"issuer":{"id":3575,"kind":"organization","name":"RAMBUS INC","symbol":"RMBS"},"owners":[{"id":150131,"kind":"person","name":"FISHER ELLIS THOMAS","position":1,"cik":"0001631809","reported_name":"FISHER ELLIS THOMAS","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2017-09-26T22:23:54.000Z","date":"2017-09-25","kind":"sale","acquired":false,"shares":1702,"price":12.94,"value":22023.88,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sale reported on this Form 4 is pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on May 25, 2017."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"All shares were sold at an exact sale price of $12.94."}],"balance_after":23087,"source":{"system":"sec-edgar","filing":"0001209191-17-054054","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/917273/000120919117054054/doc4.xml","form_type":"4"}},{"id":4260236,"issuer":{"id":3575,"kind":"organization","name":"RAMBUS INC","symbol":"RMBS"},"owners":[{"id":150131,"kind":"person","name":"FISHER ELLIS THOMAS","position":1,"cik":"0001631809","reported_name":"FISHER ELLIS THOMAS","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2017-07-10T23:13:39.000Z","date":"2017-07-07","kind":"sale","acquired":false,"shares":1703,"price":12.5,"value":21287.5,"ownership":{"direct":true},"footnotes":[{"field":"timeliness","element":"transactionTimeliness","label":"F1","text":"The sales reported on this Form 4 are pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on May 25, 2017."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"All shares were sold at an exact sale price of $12.50."}],"balance_after":24789,"source":{"system":"sec-edgar","filing":"0001209191-17-044690","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/917273/000120919117044690/doc4.xml","form_type":"4"}},{"id":4585323,"issuer":{"id":3575,"kind":"organization","name":"RAMBUS INC","symbol":"RMBS"},"owners":[{"id":150131,"kind":"person","name":"FISHER ELLIS THOMAS","position":1,"cik":"0001631809","reported_name":"FISHER ELLIS THOMAS","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2016-10-05T23:16:38.000Z","date":"2016-10-03","kind":"grant","acquired":true,"shares":12874,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Shares are represented by restricted stock units.  Each restricted stock unit represents a contingent right to receive one share of RMBS common stock."},{"field":"shares","element":"transactionShares","label":"F2","text":"All of the restricted stock units will vest on October 3, 2017 or the first business trading day thereafter."}],"balance_after":26492,"source":{"system":"sec-edgar","filing":"0001209191-16-145146","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/917273/000120919116145146/doc4.xml","form_type":"4"}}]}