{"transactions":[{"id":4629545,"issuer":{"id":3575,"kind":"organization","name":"RAMBUS INC","symbol":"RMBS"},"owners":[{"id":25192,"kind":"person","name":"KISSNER CHARLES","position":1,"cik":"0001188095","reported_name":"KISSNER CHARLES","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2026-10-05T18:44:19.000Z","date":"2026-10-02","kind":"sale","planned":true,"acquired":false,"shares":5000,"price":111,"value":555000.0,"ownership":{"direct":false,"nature":"See Footnote"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sale reported in this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted on May 8, 2026."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"All shares sold at an exact price of $111.00."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"The shares are held directly by Kissner and Associates LLC for which the Reporting Person serves as the owner of the company."}],"balance_after":3747,"source":{"system":"sec-edgar","filing":"0001193125-26-413981","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1188095/000119312526413981/ownership.xml","form_type":"4"}},{"id":4625966,"issuer":{"id":3575,"kind":"organization","name":"RAMBUS INC","symbol":"RMBS"},"owners":[{"id":25192,"kind":"person","name":"KISSNER CHARLES","position":1,"cik":"0001188095","reported_name":"KISSNER CHARLES","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2026-09-24T17:04:28.000Z","date":"2026-09-22","kind":"sale","planned":true,"acquired":false,"shares":5000,"price":105,"value":525000.0,"ownership":{"direct":false,"nature":"See Footnote"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sale reported in this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted on May 8, 2026."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"All shares sold at an exact price of $105.00."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"The shares are held directly by Kissner and Associates LLC for which the Reporting Person serves as the owner of the company."}],"balance_after":8747,"source":{"system":"sec-edgar","filing":"0001193125-26-400762","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1188095/000119312526400762/ownership.xml","form_type":"4"}},{"id":692392,"issuer":{"id":3575,"kind":"organization","name":"RAMBUS INC","symbol":"RMBS"},"owners":[{"id":25192,"kind":"person","name":"KISSNER CHARLES","position":1,"cik":"0001188095","reported_name":"KISSNER CHARLES","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2026-08-10T23:58:49.000Z","date":"2026-08-07","kind":"sale","planned":true,"acquired":false,"shares":5000,"price":100.92,"value":504600.0,"ownership":{"direct":false,"nature":"See Footnote"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sale reported in this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted on May 8, 2026."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"All shares sold at an exact price of $100.92."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"The shares are held directly by Kissner and Associates LLC for which the Reporting Person serves as the owner of the company."}],"balance_after":13747,"source":{"system":"sec-edgar","filing":"0001193125-26-342968","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/917273/000119312526342968/ownership.xml","form_type":"4"}},{"id":753077,"issuer":{"id":3575,"kind":"organization","name":"RAMBUS INC","symbol":"RMBS"},"owners":[{"id":10833,"kind":"person","name":"Sayiner Necip","position":1,"cik":"0001338515","reported_name":"Sayiner Necip","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2026-06-03T22:13:18.000Z","date":"2026-06-03","kind":"sale","planned":false,"acquired":false,"shares":5000,"price":170.15,"value":850750.0,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"All shares sold at an exact price of $170.15."}],"balance_after":18223,"source":{"system":"sec-edgar","filing":"0001193125-26-255896","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/917273/000119312526255896/ownership.xml","form_type":"4"}},{"id":753076,"issuer":{"id":3575,"kind":"organization","name":"RAMBUS INC","symbol":"RMBS"},"owners":[{"id":11354,"kind":"person","name":"Higashi Emiko","position":1,"cik":"0001318086","reported_name":"Higashi Emiko","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2026-06-03T22:10:12.000Z","date":"2026-06-02","kind":"sale","planned":false,"acquired":false,"shares":5000,"price":158,"value":790000.0,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F2","text":"All shares sold at an exact price of $158.00."}],"balance_after":49519,"source":{"system":"sec-edgar","filing":"0001193125-26-255892","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/917273/000119312526255892/ownership.xml","form_type":"4"}},{"id":753075,"issuer":{"id":3575,"kind":"organization","name":"RAMBUS INC","symbol":"RMBS"},"owners":[{"id":11354,"kind":"person","name":"Higashi Emiko","position":1,"cik":"0001318086","reported_name":"Higashi Emiko","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2026-06-03T22:10:12.000Z","date":"2026-06-02","kind":"sale","planned":false,"acquired":false,"shares":5000,"price":163,"value":815000.0,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"All shares sold at an exact price of $163.00."}],"balance_after":54519,"source":{"system":"sec-edgar","filing":"0001193125-26-255892","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/917273/000119312526255892/ownership.xml","form_type":"4"}},{"id":755901,"issuer":{"id":3575,"kind":"organization","name":"RAMBUS INC","symbol":"RMBS"},"owners":[{"id":2497,"kind":"person","name":"STANG ERIC B","position":1,"cik":"0001234045","reported_name":"STANG ERIC B","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2026-06-02T22:49:12.000Z","date":"2026-06-01","kind":"sale","planned":false,"acquired":false,"shares":5000,"price":146,"value":730000.0,"ownership":{"direct":false,"nature":"See Footnote"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"All shares sold at an exact price of $146.00"},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"Shares held directly by the Stang Family Trust dated September 2, 2004 for which the Reporting Person serves as a trustee."}],"balance_after":19218,"source":{"system":"sec-edgar","filing":"0001193125-26-254027","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/917273/000119312526254027/ownership.xml","form_type":"4"}},{"id":762733,"issuer":{"id":3575,"kind":"organization","name":"RAMBUS INC","symbol":"RMBS"},"owners":[{"id":11354,"kind":"person","name":"Higashi Emiko","position":1,"cik":"0001318086","reported_name":"Higashi Emiko","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2026-05-27T22:43:07.000Z","date":"2026-05-26","kind":"sale","planned":false,"acquired":false,"shares":5000,"price":157.5701,"value":787850.5,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"All shares sold at an exact price of $157.5701."}],"balance_after":59519,"source":{"system":"sec-edgar","filing":"0001193125-26-242350","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/917273/000119312526242350/ownership.xml","form_type":"4"}},{"id":764616,"issuer":{"id":3575,"kind":"organization","name":"RAMBUS INC","symbol":"RMBS"},"owners":[{"id":44409,"kind":"person","name":"FAN XIANZHI SEAN","position":1,"cik":"0001583840","reported_name":"FAN XIANZHI SEAN","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP, COO"}}],"security":"Common Stock","published_at":"2026-05-26T21:54:47.000Z","date":"2026-05-26","kind":"sale","planned":false,"acquired":false,"shares":100,"price":152.35,"value":15235.0,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F2","text":"All shares sold at an exact price of $152.35"}],"balance_after":168358,"source":{"system":"sec-edgar","filing":"0001193125-26-239759","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/917273/000119312526239759/ownership.xml","form_type":"4"}},{"id":764615,"issuer":{"id":3575,"kind":"organization","name":"RAMBUS INC","symbol":"RMBS"},"owners":[{"id":44409,"kind":"person","name":"FAN XIANZHI SEAN","position":1,"cik":"0001583840","reported_name":"FAN XIANZHI SEAN","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP, COO"}}],"security":"Common Stock","published_at":"2026-05-26T21:54:47.000Z","date":"2026-05-26","kind":"sale","planned":false,"acquired":false,"shares":37814,"price":151.6896,"value":5735990.5344,"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 $151.27 to $152.18, 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, upon request, full information regarding the number of shares sold at each separate price."}],"balance_after":168458,"source":{"system":"sec-edgar","filing":"0001193125-26-239759","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/917273/000119312526239759/ownership.xml","form_type":"4"}},{"id":764614,"issuer":{"id":3575,"kind":"organization","name":"RAMBUS INC","symbol":"RMBS"},"owners":[{"id":44408,"kind":"person","name":"Shinn John","position":1,"cik":"0001847137","reported_name":"Shinn John","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"SVP, General Counsel"}}],"security":"Common Stock","published_at":"2026-05-26T17:04:28.000Z","date":"2026-05-22","kind":"sale","planned":false,"acquired":false,"shares":1000,"price":143.63,"value":143630.0,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"All shares sold at an exact price of $143.63."}],"balance_after":21112,"source":{"system":"sec-edgar","filing":"0001193125-26-238472","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/917273/000119312526238472/ownership.xml","form_type":"4"}},{"id":785548,"issuer":{"id":3575,"kind":"organization","name":"RAMBUS INC","symbol":"RMBS"},"owners":[{"id":10833,"kind":"person","name":"Sayiner Necip","position":1,"cik":"0001338515","reported_name":"Sayiner Necip","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2026-05-11T19:40:10.000Z","date":"2026-05-08","kind":"sale","planned":false,"acquired":false,"shares":9824,"price":130.18,"value":1278888.32,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"All shares sold at an exact price of $130.18."}],"balance_after":23223,"source":{"system":"sec-edgar","filing":"0001193125-26-216636","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/917273/000119312526216636/ownership.xml","form_type":"4"}},{"id":785547,"issuer":{"id":3575,"kind":"organization","name":"RAMBUS INC","symbol":"RMBS"},"owners":[{"id":48469,"kind":"person","name":"LAUB STEVEN","position":1,"cik":"0001224180","reported_name":"LAUB STEVEN","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2026-05-11T19:34:12.000Z","date":"2026-05-07","kind":"sale","planned":false,"acquired":false,"shares":1500,"price":125.5195,"value":188279.25,"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 $125.49 to $125.52, 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, upon request, full information regarding the number of shares sold at each separate price."}],"balance_after":7519,"source":{"system":"sec-edgar","filing":"0001193125-26-216615","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/917273/000119312526216615/ownership.xml","form_type":"4"}},{"id":794493,"issuer":{"id":3575,"kind":"organization","name":"RAMBUS INC","symbol":"RMBS"},"owners":[{"id":50087,"kind":"person","name":"Gagneja Sumeet","position":1,"cik":"0001715400","reported_name":"Gagneja Sumeet","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"SVP, CFO"}}],"security":"Common Stock","published_at":"2026-05-05T00:19:05.000Z","date":"2026-05-01","kind":"grant","planned":false,"acquired":true,"shares":26802,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F2","text":"The shares are represented by RSUs which vest in two equal annual installments beginning on May 1, 2027 or the first business trading day thereafter. Each RSU represents a contingent right to receive one share of RMBS common\nstock."}],"balance_after":41320,"source":{"system":"sec-edgar","filing":"0001193125-26-204675","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/917273/000119312526204675/ownership.xml","form_type":"4"}},{"id":794492,"issuer":{"id":3575,"kind":"organization","name":"RAMBUS INC","symbol":"RMBS"},"owners":[{"id":50087,"kind":"person","name":"Gagneja Sumeet","position":1,"cik":"0001715400","reported_name":"Gagneja Sumeet","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"SVP, CFO"}}],"security":"Common Stock","published_at":"2026-05-05T00:19:05.000Z","date":"2026-05-01","kind":"grant","planned":false,"acquired":true,"shares":14518,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"The shares are represented by RSUs which vest in four equal annual installments beginning on May 1, 2027 or the first business trading day thereafter. Each RSU represents a contingent right to receive one share of RMBS common\nstock."}],"balance_after":14518,"source":{"system":"sec-edgar","filing":"0001193125-26-204675","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/917273/000119312526204675/ownership.xml","form_type":"4"}},{"id":800367,"issuer":{"id":3575,"kind":"organization","name":"RAMBUS INC","symbol":"RMBS"},"owners":[{"id":43259,"kind":"person","name":"Rao Meera","position":1,"cik":"0001480603","reported_name":"Rao Meera","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2026-04-27T17:47:01.000Z","date":"2026-04-24","kind":"sale","planned":true,"acquired":false,"shares":2972,"price":150.3,"value":446691.6,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sale reported in this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted on November 14, 2025."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"All shares sold at an exact price of $150.30."}],"balance_after":19974,"source":{"system":"sec-edgar","filing":"0001193125-26-181219","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/917273/000119312526181219/ownership.xml","form_type":"4"}},{"id":808419,"issuer":{"id":3575,"kind":"organization","name":"RAMBUS INC","symbol":"RMBS"},"owners":[{"id":43259,"kind":"person","name":"Rao Meera","position":1,"cik":"0001480603","reported_name":"Rao Meera","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2026-04-15T21:23:47.000Z","date":"2026-04-14","kind":"sale","planned":true,"acquired":false,"shares":8538,"price":118.08,"value":1008167.04,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sale reported in this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted on November 14, 2025."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"All shares sold at an exact price of $118.08"}],"balance_after":22946,"source":{"system":"sec-edgar","filing":"0001193125-26-157265","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/917273/000119312526157265/ownership.xml","form_type":"4"}},{"id":813859,"issuer":{"id":3575,"kind":"organization","name":"RAMBUS INC","symbol":"RMBS"},"owners":[{"id":53502,"kind":"person","name":"Allen John K","position":1,"cik":"0001397728","reported_name":"Allen John K","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Accounting Officer"}}],"security":"Common Stock","published_at":"2026-04-07T20:34:35.000Z","date":"2026-04-03","kind":"tax_withholding","planned":false,"acquired":false,"shares":1131,"price":92.22,"value":104300.82,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The shares were withheld to cover the Reporting Person's tax liability in connection with the vesting of restricted stock units, or RSUs."}],"balance_after":17131,"source":{"system":"sec-edgar","filing":"0001193125-26-145632","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/917273/000119312526145632/ownership.xml","form_type":"4"}},{"id":817648,"issuer":{"id":3575,"kind":"organization","name":"RAMBUS INC","symbol":"RMBS"},"owners":[{"id":11354,"kind":"person","name":"Higashi Emiko","position":1,"cik":"0001318086","reported_name":"Higashi Emiko","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2026-04-04T01:19:38.000Z","date":"2026-04-01","kind":"grant","planned":false,"acquired":true,"shares":2223,"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 April 1, 2027 or the first business day thereafter. Each RSU represents the contingent right to receive one share of RMBS common stock."}],"balance_after":64519,"source":{"system":"sec-edgar","filing":"0001193125-26-142667","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/917273/000119312526142667/ownership.xml","form_type":"4"}},{"id":817647,"issuer":{"id":3575,"kind":"organization","name":"RAMBUS INC","symbol":"RMBS"},"owners":[{"id":48469,"kind":"person","name":"LAUB STEVEN","position":1,"cik":"0001224180","reported_name":"LAUB STEVEN","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2026-04-04T01:15:57.000Z","date":"2026-04-01","kind":"grant","planned":false,"acquired":true,"shares":2223,"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 April 1, 2027 or the first business day thereafter. Each RSU represents the contingent right to receive one share of RMBS common stock."}],"balance_after":9019,"source":{"system":"sec-edgar","filing":"0001193125-26-142662","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/917273/000119312526142662/ownership.xml","form_type":"4"}},{"id":817646,"issuer":{"id":3575,"kind":"organization","name":"RAMBUS INC","symbol":"RMBS"},"owners":[{"id":43259,"kind":"person","name":"Rao Meera","position":1,"cik":"0001480603","reported_name":"Rao Meera","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2026-04-04T01:10:41.000Z","date":"2026-04-01","kind":"grant","planned":false,"acquired":true,"shares":2223,"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 April 1, 2027 or the first business day thereafter. Each RSU represents the contingent right to receive one share of RMBS common stock."}],"balance_after":31484,"source":{"system":"sec-edgar","filing":"0001193125-26-142655","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/917273/000119312526142655/ownership.xml","form_type":"4"}},{"id":817645,"issuer":{"id":3575,"kind":"organization","name":"RAMBUS INC","symbol":"RMBS"},"owners":[{"id":10833,"kind":"person","name":"Sayiner Necip","position":1,"cik":"0001338515","reported_name":"Sayiner Necip","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2026-04-04T01:01:15.000Z","date":"2026-04-01","kind":"grant","planned":false,"acquired":true,"shares":2223,"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 April 1, 2027 or the first business day thereafter. Each RSU represents the contingent right to receive one share of RMBS common stock."}],"balance_after":33047,"source":{"system":"sec-edgar","filing":"0001193125-26-142650","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/917273/000119312526142650/ownership.xml","form_type":"4"}},{"id":817644,"issuer":{"id":3575,"kind":"organization","name":"RAMBUS INC","symbol":"RMBS"},"owners":[{"id":2497,"kind":"person","name":"STANG ERIC B","position":1,"cik":"0001234045","reported_name":"STANG ERIC B","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2026-04-04T00:51:10.000Z","date":"2026-04-01","kind":"grant","planned":false,"acquired":true,"shares":2223,"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 April 1, 2027 or the first business day thereafter. Each RSU represents the contingent right to receive one share of RMBS common stock."}],"balance_after":2223,"source":{"system":"sec-edgar","filing":"0001193125-26-142643","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/917273/000119312526142643/ownership.xml","form_type":"4"}},{"id":817643,"issuer":{"id":3575,"kind":"organization","name":"RAMBUS INC","symbol":"RMBS"},"owners":[{"id":11208,"kind":"person","name":"PENG VICTOR","position":1,"cik":"0001182953","reported_name":"PENG VICTOR","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2026-04-04T00:49:09.000Z","date":"2026-04-01","kind":"grant","planned":false,"acquired":true,"shares":2223,"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 April 1, 2027 or the first business day thereafter. Each RSU represents the contingent right to receive one share of RMBS common stock."}],"balance_after":2391,"source":{"system":"sec-edgar","filing":"0001193125-26-142641","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/917273/000119312526142641/ownership.xml","form_type":"4"}},{"id":817642,"issuer":{"id":3575,"kind":"organization","name":"RAMBUS INC","symbol":"RMBS"},"owners":[{"id":25192,"kind":"person","name":"KISSNER CHARLES","position":1,"cik":"0001188095","reported_name":"KISSNER CHARLES","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2026-04-04T00:46:18.000Z","date":"2026-04-01","kind":"grant","planned":false,"acquired":true,"shares":2223,"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 April 1, 2027 or the first business day thereafter. Each RSU represents the contingent right to receive one share of RMBS common stock."}],"balance_after":40545,"source":{"system":"sec-edgar","filing":"0001193125-26-142636","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/917273/000119312526142636/ownership.xml","form_type":"4"}},{"id":817641,"issuer":{"id":3575,"kind":"organization","name":"RAMBUS INC","symbol":"RMBS"},"owners":[{"id":44408,"kind":"person","name":"Shinn John","position":1,"cik":"0001847137","reported_name":"Shinn John","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"SVP, General Counsel"}}],"security":"Common Stock","published_at":"2026-04-04T00:18:33.000Z","date":"2026-04-01","kind":"tax_withholding","planned":false,"acquired":false,"shares":1913,"price":89.95,"value":172074.35,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F2","text":"The shares were withheld to cover the Reporting Person's tax liability in connection with the vesting of restricted stock units, or RSUs."}],"balance_after":22112,"source":{"system":"sec-edgar","filing":"0001193125-26-142592","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/917273/000119312526142592/ownership.xml","form_type":"4"}},{"id":817640,"issuer":{"id":3575,"kind":"organization","name":"RAMBUS INC","symbol":"RMBS"},"owners":[{"id":44408,"kind":"person","name":"Shinn John","position":1,"cik":"0001847137","reported_name":"Shinn John","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"SVP, General Counsel"}}],"security":"Common Stock","published_at":"2026-04-04T00:18:33.000Z","date":"2026-04-01","kind":"grant","planned":false,"acquired":true,"shares":5558,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"The shares are represented by RSUs which vest in four equal annual installments beginning on April 1, 2027 or the first business trading day thereafter. Each RSU represents a contingent right to receive one share of RMBS common stock."}],"balance_after":24025,"source":{"system":"sec-edgar","filing":"0001193125-26-142592","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/917273/000119312526142592/ownership.xml","form_type":"4"}},{"id":817639,"issuer":{"id":3575,"kind":"organization","name":"RAMBUS INC","symbol":"RMBS"},"owners":[{"id":54005,"kind":"person","name":"Seraphin Luc","position":1,"cik":"0001341984","reported_name":"Seraphin Luc","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President and CEO"}}],"security":"Common Stock","published_at":"2026-04-04T00:15:48.000Z","date":"2026-04-02","kind":"sale","planned":true,"acquired":false,"shares":165,"price":88.3501,"value":14577.7665,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F3","text":"The sale reported in this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted on November 11, 2025"},{"field":"price","element":"transactionPricePerShare","label":"F6","text":"The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $87.85 to $88.71, 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, upon request, full information regarding the number of shares sold at each separate price."}],"balance_after":345767,"source":{"system":"sec-edgar","filing":"0001193125-26-142587","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/917273/000119312526142587/ownership.xml","form_type":"4"}},{"id":817638,"issuer":{"id":3575,"kind":"organization","name":"RAMBUS INC","symbol":"RMBS"},"owners":[{"id":54005,"kind":"person","name":"Seraphin Luc","position":1,"cik":"0001341984","reported_name":"Seraphin Luc","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President and CEO"}}],"security":"Common Stock","published_at":"2026-04-04T00:15:48.000Z","date":"2026-04-02","kind":"sale","planned":true,"acquired":false,"shares":2750,"price":87.1145,"value":239564.875,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F3","text":"The sale reported in this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted on November 11, 2025"},{"field":"price","element":"transactionPricePerShare","label":"F5","text":"The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $86.81 to $87.80, 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, upon request, full information regarding the number of shares sold at each separate price."}],"balance_after":345932,"source":{"system":"sec-edgar","filing":"0001193125-26-142587","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/917273/000119312526142587/ownership.xml","form_type":"4"}},{"id":817637,"issuer":{"id":3575,"kind":"organization","name":"RAMBUS INC","symbol":"RMBS"},"owners":[{"id":54005,"kind":"person","name":"Seraphin Luc","position":1,"cik":"0001341984","reported_name":"Seraphin Luc","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President and CEO"}}],"security":"Common Stock","published_at":"2026-04-04T00:15:48.000Z","date":"2026-04-02","kind":"sale","planned":true,"acquired":false,"shares":2511,"price":86.0396,"value":216045.4356,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F3","text":"The sale reported in this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted on November 11, 2025"},{"field":"price","element":"transactionPricePerShare","label":"F4","text":"The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $85.70 to $86.48, 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, upon request, full information regarding the number of shares sold at each separate price."}],"balance_after":348682,"source":{"system":"sec-edgar","filing":"0001193125-26-142587","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/917273/000119312526142587/ownership.xml","form_type":"4"}},{"id":817636,"issuer":{"id":3575,"kind":"organization","name":"RAMBUS INC","symbol":"RMBS"},"owners":[{"id":54005,"kind":"person","name":"Seraphin Luc","position":1,"cik":"0001341984","reported_name":"Seraphin Luc","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President and CEO"}}],"security":"Common Stock","published_at":"2026-04-04T00:15:48.000Z","date":"2026-04-01","kind":"tax_withholding","planned":true,"acquired":false,"shares":12561,"price":89.95,"value":1129861.95,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F2","text":"The shares were withheld to cover the Reporting Person's tax liability in connection with the vesting of restricted stock units, or RSUs."}],"balance_after":351193,"source":{"system":"sec-edgar","filing":"0001193125-26-142587","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/917273/000119312526142587/ownership.xml","form_type":"4"}},{"id":817635,"issuer":{"id":3575,"kind":"organization","name":"RAMBUS INC","symbol":"RMBS"},"owners":[{"id":54005,"kind":"person","name":"Seraphin Luc","position":1,"cik":"0001341984","reported_name":"Seraphin Luc","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President and CEO"}}],"security":"Common Stock","published_at":"2026-04-04T00:15:48.000Z","date":"2026-04-01","kind":"grant","planned":true,"acquired":true,"shares":32684,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"The shares are represented by RSUs which vest in four equal annual installments beginning on April 1, 2027 or the first business trading day thereafter. Each RSU represents a contingent right to receive one share of RMBS common stock."}],"balance_after":363754,"source":{"system":"sec-edgar","filing":"0001193125-26-142587","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/917273/000119312526142587/ownership.xml","form_type":"4"}},{"id":817634,"issuer":{"id":3575,"kind":"organization","name":"RAMBUS INC","symbol":"RMBS"},"owners":[{"id":44409,"kind":"person","name":"FAN XIANZHI SEAN","position":1,"cik":"0001583840","reported_name":"FAN XIANZHI SEAN","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP, COO"}}],"security":"Common Stock","published_at":"2026-04-04T00:11:38.000Z","date":"2026-04-01","kind":"tax_withholding","planned":false,"acquired":false,"shares":9916,"price":89.95,"value":891944.2,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F2","text":"The shares were withheld to cover the Reporting Person's tax liability in connection with the vesting of restricted stock units, or RSUs."}],"balance_after":206272,"source":{"system":"sec-edgar","filing":"0001193125-26-142581","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/917273/000119312526142581/ownership.xml","form_type":"4"}},{"id":817633,"issuer":{"id":3575,"kind":"organization","name":"RAMBUS INC","symbol":"RMBS"},"owners":[{"id":44409,"kind":"person","name":"FAN XIANZHI SEAN","position":1,"cik":"0001583840","reported_name":"FAN XIANZHI SEAN","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP, COO"}}],"security":"Common Stock","published_at":"2026-04-04T00:11:38.000Z","date":"2026-04-01","kind":"grant","planned":false,"acquired":true,"shares":22234,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"The shares are represented by RSUs which vest in four equal annual installments beginning on April 1, 2027 or the first business trading day thereafter. Each RSU represents a contingent right to receive one share of RMBS common stock."}],"balance_after":216188,"source":{"system":"sec-edgar","filing":"0001193125-26-142581","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/917273/000119312526142581/ownership.xml","form_type":"4"}},{"id":817632,"issuer":{"id":3575,"kind":"organization","name":"RAMBUS INC","symbol":"RMBS"},"owners":[{"id":53502,"kind":"person","name":"Allen John K","position":1,"cik":"0001397728","reported_name":"Allen John K","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Accounting Officer"}}],"security":"Common Stock","published_at":"2026-04-04T00:07:54.000Z","date":"2026-04-01","kind":"tax_withholding","planned":false,"acquired":false,"shares":658,"price":89.95,"value":59187.1,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F4","text":"The shares were withheld to cover the Reporting Person's tax liability in connection with the vesting of restricted stock units, or RSUs."}],"balance_after":18262,"source":{"system":"sec-edgar","filing":"0001193125-26-142576","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/917273/000119312526142576/ownership.xml","form_type":"4"}},{"id":817631,"issuer":{"id":3575,"kind":"organization","name":"RAMBUS INC","symbol":"RMBS"},"owners":[{"id":53502,"kind":"person","name":"Allen John K","position":1,"cik":"0001397728","reported_name":"Allen John K","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Accounting Officer"}}],"security":"Common Stock","published_at":"2026-04-04T00:07:54.000Z","date":"2026-04-01","kind":"tax_withholding","planned":false,"acquired":false,"shares":495,"price":89.95,"value":44525.25,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F4","text":"The shares were withheld to cover the Reporting Person's tax liability in connection with the vesting of restricted stock units, or RSUs."}],"balance_after":18920,"source":{"system":"sec-edgar","filing":"0001193125-26-142576","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/917273/000119312526142576/ownership.xml","form_type":"4"}},{"id":817630,"issuer":{"id":3575,"kind":"organization","name":"RAMBUS INC","symbol":"RMBS"},"owners":[{"id":53502,"kind":"person","name":"Allen John K","position":1,"cik":"0001397728","reported_name":"Allen John K","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Accounting Officer"}}],"security":"Common Stock","published_at":"2026-04-04T00:07:54.000Z","date":"2026-04-01","kind":"grant","planned":false,"acquired":true,"shares":2779,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"The shares are represented by RSUs which vest in four equal annual installments beginning on April 1, 2027 or the first business trading day thereafter. Each RSU represents a contingent right to receive one share of RMBS common stock."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Includes an exempt transaction of 269 shares acquired through the Rambus Inc. 2015 Employee Stock Purchase plan."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"Includes an exempt transaction of 277 shares acquired through the Rambus Inc. 2015 Employee Stock Purchase plan."}],"balance_after":19415,"source":{"system":"sec-edgar","filing":"0001193125-26-142576","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/917273/000119312526142576/ownership.xml","form_type":"4"}},{"id":849518,"issuer":{"id":3575,"kind":"organization","name":"RAMBUS INC","symbol":"RMBS"},"owners":[{"id":44408,"kind":"person","name":"Shinn John","position":1,"cik":"0001847137","reported_name":"Shinn John","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"SVP, General Counsel"}}],"security":"Common Stock","published_at":"2026-03-11T17:38:22.000Z","date":"2026-03-10","kind":"sale","planned":true,"acquired":false,"shares":200,"price":89.545,"value":17909.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sale reported in this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted on December 2, 2025."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $89.44 to $89.65, inclusive. The reporting person undertakes to provide to the Issuer, any security holder\nof 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":18467,"source":{"system":"sec-edgar","filing":"0001193125-26-101728","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/917273/000119312526101728/ownership.xml","form_type":"4"}},{"id":849517,"issuer":{"id":3575,"kind":"organization","name":"RAMBUS INC","symbol":"RMBS"},"owners":[{"id":44408,"kind":"person","name":"Shinn John","position":1,"cik":"0001847137","reported_name":"Shinn John","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"SVP, General Counsel"}}],"security":"Common Stock","published_at":"2026-03-11T17:38:22.000Z","date":"2026-03-10","kind":"sale","planned":true,"acquired":false,"shares":4356,"price":88.6361,"value":386098.8516,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sale reported in this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted on December 2, 2025."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $88.36 to $89.16, inclusive. The reporting person undertakes to provide to the Issuer, any security holder\nof 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":18667,"source":{"system":"sec-edgar","filing":"0001193125-26-101728","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/917273/000119312526101728/ownership.xml","form_type":"4"}},{"id":863260,"issuer":{"id":3575,"kind":"organization","name":"RAMBUS INC","symbol":"RMBS"},"owners":[{"id":44408,"kind":"person","name":"Shinn John","position":1,"cik":"0001847137","reported_name":"Shinn John","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"SVP, General Counsel"}}],"security":"Common Stock","published_at":"2026-03-04T21:31:19.000Z","date":"2026-03-03","kind":"sale","planned":true,"acquired":false,"shares":700,"price":94.8871,"value":66420.97,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sale reported in this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted on December 2, 2025."},{"field":"price","element":"transactionPricePerShare","label":"F4","text":"The price reported in Column 4 is a weighted average price.  These shares were sold in multiple transactions at prices ranging from $94.62 to $95.115, 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, upon request, full information regarding the number of shares sold at each separate price."}],"balance_after":23023,"source":{"system":"sec-edgar","filing":"0001193125-26-091652","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/917273/000119312526091652/ownership.xml","form_type":"4"}},{"id":863259,"issuer":{"id":3575,"kind":"organization","name":"RAMBUS INC","symbol":"RMBS"},"owners":[{"id":44408,"kind":"person","name":"Shinn John","position":1,"cik":"0001847137","reported_name":"Shinn John","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"SVP, General Counsel"}}],"security":"Common Stock","published_at":"2026-03-04T21:31:19.000Z","date":"2026-03-03","kind":"sale","planned":true,"acquired":false,"shares":1603,"price":94.0698,"value":150793.8894,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sale reported in this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted on December 2, 2025."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"The price reported in Column 4 is a weighted average price.  These shares were sold in multiple transactions at prices ranging from $93.475 to $94.385, 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, upon request, full information regarding the number of shares sold at each separate price."}],"balance_after":23723,"source":{"system":"sec-edgar","filing":"0001193125-26-091652","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/917273/000119312526091652/ownership.xml","form_type":"4"}},{"id":863258,"issuer":{"id":3575,"kind":"organization","name":"RAMBUS INC","symbol":"RMBS"},"owners":[{"id":44408,"kind":"person","name":"Shinn John","position":1,"cik":"0001847137","reported_name":"Shinn John","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"SVP, General Counsel"}}],"security":"Common Stock","published_at":"2026-03-04T21:31:19.000Z","date":"2026-03-03","kind":"sale","planned":true,"acquired":false,"shares":2254,"price":92.7704,"value":209104.4816,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sale reported in this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted on December 2, 2025."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The price reported in Column 4 is a weighted average price.  These shares were sold in multiple transactions at prices ranging from $92.20 to $93.20, 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, upon request, full information regarding the number of shares sold at each separate price."}],"balance_after":25326,"source":{"system":"sec-edgar","filing":"0001193125-26-091652","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/917273/000119312526091652/ownership.xml","form_type":"4"}},{"id":870830,"issuer":{"id":3575,"kind":"organization","name":"RAMBUS INC","symbol":"RMBS"},"owners":[{"id":54005,"kind":"person","name":"Seraphin Luc","position":1,"cik":"0001341984","reported_name":"Seraphin Luc","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President and CEO"}}],"security":"Common Stock","published_at":"2026-03-04T02:33:39.000Z","date":"2026-03-02","kind":"sale","planned":true,"acquired":false,"shares":1300,"price":101.6538,"value":132149.94,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sale reported in this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted on November 11, 2025."},{"field":"price","element":"transactionPricePerShare","label":"F7","text":"The price reported in Column 4 is a weighted average price.  The shares were sold in multiple transactions at prices ranging from $101.28 to $102.17, 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, upon request, full information regarding the number of shares sold at each separate price."}],"balance_after":331070,"source":{"system":"sec-edgar","filing":"0001193125-26-089599","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":6,"url":"https://www.sec.gov/Archives/edgar/data/917273/000119312526089599/ownership.xml","form_type":"4"}},{"id":870829,"issuer":{"id":3575,"kind":"organization","name":"RAMBUS INC","symbol":"RMBS"},"owners":[{"id":54005,"kind":"person","name":"Seraphin Luc","position":1,"cik":"0001341984","reported_name":"Seraphin Luc","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President and CEO"}}],"security":"Common Stock","published_at":"2026-03-04T02:33:39.000Z","date":"2026-03-02","kind":"sale","planned":true,"acquired":false,"shares":6587,"price":100.1979,"value":660003.5673,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sale reported in this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted on November 11, 2025."},{"field":"price","element":"transactionPricePerShare","label":"F6","text":"The price reported in Column 4 is a weighted average price.  The shares were sold in multiple transactions at prices ranging from $99.875 to $100.85, 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, upon request, full information regarding the number of shares sold at each separate price."}],"balance_after":332370,"source":{"system":"sec-edgar","filing":"0001193125-26-089599","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/917273/000119312526089599/ownership.xml","form_type":"4"}},{"id":870828,"issuer":{"id":3575,"kind":"organization","name":"RAMBUS INC","symbol":"RMBS"},"owners":[{"id":54005,"kind":"person","name":"Seraphin Luc","position":1,"cik":"0001341984","reported_name":"Seraphin Luc","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President and CEO"}}],"security":"Common Stock","published_at":"2026-03-04T02:33:39.000Z","date":"2026-03-02","kind":"sale","planned":true,"acquired":false,"shares":9469,"price":99.1659,"value":939001.9071,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sale reported in this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted on November 11, 2025."},{"field":"price","element":"transactionPricePerShare","label":"F5","text":"The price reported in Column 4 is a weighted average price.  The shares were sold in multiple transactions at prices ranging from $98.69 to $99.635, 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, upon request, full information regarding the number of shares sold at each separate price."}],"balance_after":338957,"source":{"system":"sec-edgar","filing":"0001193125-26-089599","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/917273/000119312526089599/ownership.xml","form_type":"4"}},{"id":870827,"issuer":{"id":3575,"kind":"organization","name":"RAMBUS INC","symbol":"RMBS"},"owners":[{"id":54005,"kind":"person","name":"Seraphin Luc","position":1,"cik":"0001341984","reported_name":"Seraphin Luc","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President and CEO"}}],"security":"Common Stock","published_at":"2026-03-04T02:33:39.000Z","date":"2026-03-02","kind":"sale","planned":true,"acquired":false,"shares":13654,"price":98.2182,"value":1341071.3028,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sale reported in this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted on November 11, 2025."},{"field":"price","element":"transactionPricePerShare","label":"F4","text":"The price reported in Column 4 is a weighted average price.  The shares were sold in multiple transactions at prices ranging from $97.68 to $98.64, 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, upon request, full information regarding the number of shares sold at each separate price."}],"balance_after":348426,"source":{"system":"sec-edgar","filing":"0001193125-26-089599","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/917273/000119312526089599/ownership.xml","form_type":"4"}},{"id":870826,"issuer":{"id":3575,"kind":"organization","name":"RAMBUS INC","symbol":"RMBS"},"owners":[{"id":54005,"kind":"person","name":"Seraphin Luc","position":1,"cik":"0001341984","reported_name":"Seraphin Luc","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President and CEO"}}],"security":"Common Stock","published_at":"2026-03-04T02:33:39.000Z","date":"2026-03-02","kind":"sale","planned":true,"acquired":false,"shares":7225,"price":97.3798,"value":703569.055,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sale reported in this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted on November 11, 2025."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"The price reported in Column 4 is a weighted average price.  The shares were sold in multiple transactions at prices ranging from $96.64 to $97.64, 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, upon request, full information regarding the number of shares sold at each separate price."}],"balance_after":362080,"source":{"system":"sec-edgar","filing":"0001193125-26-089599","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/917273/000119312526089599/ownership.xml","form_type":"4"}},{"id":870825,"issuer":{"id":3575,"kind":"organization","name":"RAMBUS INC","symbol":"RMBS"},"owners":[{"id":54005,"kind":"person","name":"Seraphin Luc","position":1,"cik":"0001341984","reported_name":"Seraphin Luc","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President and CEO"}}],"security":"Common Stock","published_at":"2026-03-04T02:33:39.000Z","date":"2026-03-02","kind":"sale","planned":true,"acquired":false,"shares":1679,"price":95.8312,"value":160900.5848,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sale reported in this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted on November 11, 2025."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The price reported in Column 4 is a weighted average price.  The shares were sold in multiple transactions at prices ranging from $95.59 to $96.40, 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, upon request, full information regarding the number of shares sold at each separate price."}],"balance_after":369305,"source":{"system":"sec-edgar","filing":"0001193125-26-089599","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/917273/000119312526089599/ownership.xml","form_type":"4"}},{"id":870824,"issuer":{"id":3575,"kind":"organization","name":"RAMBUS INC","symbol":"RMBS"},"owners":[{"id":11208,"kind":"person","name":"PENG VICTOR","position":1,"cik":"0001182953","reported_name":"PENG VICTOR","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2026-03-04T01:39:20.000Z","date":"2026-03-02","kind":"grant","planned":false,"acquired":true,"shares":168,"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 on April 1, 2026 or the first business day thereafter.  Each RSU represents the contingent right to receive one share of RMBS common stock."}],"balance_after":168,"source":{"system":"sec-edgar","filing":"0001193125-26-089531","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/917273/000119312526089531/ownership.xml","form_type":"4"}},{"id":886279,"issuer":{"id":3575,"kind":"organization","name":"RAMBUS INC","symbol":"RMBS"},"owners":[{"id":49598,"kind":"person","name":"Lynch Desmond","position":1,"cik":"0001941085","reported_name":"Lynch Desmond","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"SVP, CFO"}}],"security":"Common Stock","published_at":"2026-02-24T18:15:21.000Z","date":"2026-02-23","kind":"sale","planned":true,"acquired":false,"shares":4273,"price":101.53,"value":433837.69,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sale reported in this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted on November 19, 2025."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"All shares sold at $101.53"}],"balance_after":63618,"source":{"system":"sec-edgar","filing":"0001193125-26-066434","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/917273/000119312526066434/ownership.xml","form_type":"4"}},{"id":922898,"issuer":{"id":3575,"kind":"organization","name":"RAMBUS INC","symbol":"RMBS"},"owners":[{"id":44408,"kind":"person","name":"Shinn John","position":1,"cik":"0001847137","reported_name":"Shinn John","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"SVP, General Counsel"}}],"security":"Common Stock","published_at":"2026-02-04T02:19:48.000Z","date":"2026-02-01","kind":"tax_withholding","planned":false,"acquired":false,"shares":9884,"price":113.71,"value":1123909.64,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F2","text":"The shares were withheld to cover the Reporting Person's tax liability in connection with the vesting of restricted stock units, or RSUs."}],"balance_after":27580,"source":{"system":"sec-edgar","filing":"0001193125-26-036432","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/917273/000119312526036432/ownership.xml","form_type":"4"}},{"id":922897,"issuer":{"id":3575,"kind":"organization","name":"RAMBUS INC","symbol":"RMBS"},"owners":[{"id":44408,"kind":"person","name":"Shinn John","position":1,"cik":"0001847137","reported_name":"Shinn John","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"SVP, General Counsel"}}],"security":"Common Stock","published_at":"2026-02-04T02:19:48.000Z","date":"2026-02-01","kind":"grant","planned":false,"acquired":true,"shares":17276,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"The shares are represented by performance restricted stock units, or PRSUs, all of which vest on February 1, 2026 based upon assessed achievement of the Company's performance metrics and continued service to the Company through the vesting date. Each PRSU represents a contingent right to receive one share of RMBS common stock."}],"balance_after":37464,"source":{"system":"sec-edgar","filing":"0001193125-26-036432","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/917273/000119312526036432/ownership.xml","form_type":"4"}},{"id":922896,"issuer":{"id":3575,"kind":"organization","name":"RAMBUS INC","symbol":"RMBS"},"owners":[{"id":49598,"kind":"person","name":"Lynch Desmond","position":1,"cik":"0001941085","reported_name":"Lynch Desmond","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"SVP, CFO"}}],"security":"Common Stock","published_at":"2026-02-04T02:17:01.000Z","date":"2026-02-01","kind":"tax_withholding","planned":false,"acquired":false,"shares":22105,"price":113.71,"value":2513559.55,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F3","text":"The shares were withheld to cover the Reporting Person's tax liability in connection with the vesting of restricted stock units, or RSUs."}],"balance_after":67891,"source":{"system":"sec-edgar","filing":"0001193125-26-036430","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/917273/000119312526036430/ownership.xml","form_type":"4"}},{"id":922895,"issuer":{"id":3575,"kind":"organization","name":"RAMBUS INC","symbol":"RMBS"},"owners":[{"id":49598,"kind":"person","name":"Lynch Desmond","position":1,"cik":"0001941085","reported_name":"Lynch Desmond","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"SVP, CFO"}}],"security":"Common Stock","published_at":"2026-02-04T02:17:01.000Z","date":"2026-02-01","kind":"grant","planned":false,"acquired":true,"shares":34554,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"The shares are represented by performance restricted stock units, or PRSUs, all of which vest on February 1, 2026 based upon assessed achievement of the Company's performance metrics and continued service to the Company through the vesting date. Each PRSU represents a contingent right to receive one share of RMBS common stock."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Includes an exempt transaction of 86 shares acquired through the Rambus, Inc. 2015 Employee Stock Purchase Plan"}],"balance_after":89996,"source":{"system":"sec-edgar","filing":"0001193125-26-036430","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/917273/000119312526036430/ownership.xml","form_type":"4"}},{"id":922894,"issuer":{"id":3575,"kind":"organization","name":"RAMBUS INC","symbol":"RMBS"},"owners":[{"id":54005,"kind":"person","name":"Seraphin Luc","position":1,"cik":"0001341984","reported_name":"Seraphin Luc","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President and CEO"}}],"security":"Common Stock","published_at":"2026-02-04T01:20:51.000Z","date":"2026-02-01","kind":"tax_withholding","planned":false,"acquired":false,"shares":92523,"price":113.71,"value":10520790.33,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F3","text":"The shares were withheld to cover the Reporting Person's tax liability in connection with the vesting of restricted stock units, or RSUs."}],"balance_after":370984,"source":{"system":"sec-edgar","filing":"0001193125-26-036329","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/917273/000119312526036329/ownership.xml","form_type":"4"}},{"id":922893,"issuer":{"id":3575,"kind":"organization","name":"RAMBUS INC","symbol":"RMBS"},"owners":[{"id":54005,"kind":"person","name":"Seraphin Luc","position":1,"cik":"0001341984","reported_name":"Seraphin Luc","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President and CEO"}}],"security":"Common Stock","published_at":"2026-02-04T01:20:51.000Z","date":"2026-02-01","kind":"grant","planned":false,"acquired":true,"shares":143744,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"The shares are represented by performance restricted stock units, or PRSUs, all of which vest on February 1, 2026 based upon assessed achievement of the Company's performance metrics and continued service to the Company through the vesting date. Each PRSU represents a contingent right to receive one share of RMBS common stock."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Includes an exempt transaction of 522 shares acquired through the Rambus Inc. 2015 Employee Stock Purchase Plan."}],"balance_after":463507,"source":{"system":"sec-edgar","filing":"0001193125-26-036329","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/917273/000119312526036329/ownership.xml","form_type":"4"}},{"id":922892,"issuer":{"id":3575,"kind":"organization","name":"RAMBUS INC","symbol":"RMBS"},"owners":[{"id":44409,"kind":"person","name":"FAN XIANZHI SEAN","position":1,"cik":"0001583840","reported_name":"FAN XIANZHI SEAN","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP, COO"}}],"security":"Common Stock","published_at":"2026-02-04T01:13:27.000Z","date":"2026-02-01","kind":"tax_withholding","planned":false,"acquired":false,"shares":92403,"price":113.71,"value":10507145.13,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F2","text":"The shares were withheld to cover the Reporting Person's tax liability in connection with the vesting of restricted stock units, or RSUs."}],"balance_after":193954,"source":{"system":"sec-edgar","filing":"0001193125-26-036320","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/917273/000119312526036320/ownership.xml","form_type":"4"}},{"id":922891,"issuer":{"id":3575,"kind":"organization","name":"RAMBUS INC","symbol":"RMBS"},"owners":[{"id":44409,"kind":"person","name":"FAN XIANZHI SEAN","position":1,"cik":"0001583840","reported_name":"FAN XIANZHI SEAN","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP, COO"}}],"security":"Common Stock","published_at":"2026-02-04T01:13:27.000Z","date":"2026-02-01","kind":"grant","planned":false,"acquired":true,"shares":148802,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"The shares are represented by performance restricted stock units, or PRSUs, all of which vest on February 1, 2026 based upon assessed achievement of the Company's performance metrics and continued service to the Company through the vesting date. Each PRSU represents a contingent right to receive one share of RMBS common stock."}],"balance_after":286357,"source":{"system":"sec-edgar","filing":"0001193125-26-036320","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/917273/000119312526036320/ownership.xml","form_type":"4"}},{"id":991758,"issuer":{"id":3575,"kind":"organization","name":"RAMBUS INC","symbol":"RMBS"},"owners":[{"id":44409,"kind":"person","name":"FAN XIANZHI SEAN","position":1,"cik":"0001583840","reported_name":"FAN XIANZHI SEAN","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP, COO"}}],"security":"Common Stock","published_at":"2025-11-21T21:15:39.000Z","date":"2025-11-21","kind":"gift","planned":false,"acquired":false,"shares":300,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"No compensation was given to the Reporting Person in relation to their bona fide gift on November 21, 2025."}],"balance_after":137555,"source":{"system":"sec-edgar","filing":"0001193125-25-291401","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/917273/000119312525291401/ownership.xml","form_type":"4"}},{"id":993039,"issuer":{"id":3575,"kind":"organization","name":"RAMBUS INC","symbol":"RMBS"},"owners":[{"id":44409,"kind":"person","name":"FAN XIANZHI SEAN","position":1,"cik":"0001583840","reported_name":"FAN XIANZHI SEAN","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP, COO"}}],"security":"Common Stock","published_at":"2025-11-21T02:54:13.000Z","date":"2025-11-19","kind":"gift","planned":false,"acquired":false,"shares":300,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"No compensation was given to the Reporting Person in relation to their bona fide gift on November 19, 2025."}],"balance_after":137855,"source":{"system":"sec-edgar","filing":"0001193125-25-290303","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/917273/000119312525290303/ownership.xml","form_type":"4"}},{"id":1002917,"issuer":{"id":3575,"kind":"organization","name":"RAMBUS INC","symbol":"RMBS"},"owners":[{"id":2497,"kind":"person","name":"STANG ERIC B","position":1,"cik":"0001234045","reported_name":"STANG ERIC B","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2025-11-12T19:09:21.000Z","date":"2025-11-10","kind":"sale","planned":false,"acquired":false,"shares":4000,"price":111.785,"value":447140.0,"ownership":{"direct":false,"nature":"See Footnote"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F3","text":"All shares sold at an exact price of $111.785."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"Shares held directly by the Stang Family Trust dated September 2, 2004 for which the Reporting Person serves as a trustee."}],"balance_after":20394,"source":{"system":"sec-edgar","filing":"0001193125-25-277055","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/917273/000119312525277055/ownership.xml","form_type":"4"}},{"id":1002916,"issuer":{"id":3575,"kind":"organization","name":"RAMBUS INC","symbol":"RMBS"},"owners":[{"id":2497,"kind":"person","name":"STANG ERIC B","position":1,"cik":"0001234045","reported_name":"STANG ERIC B","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2025-11-12T19:09:21.000Z","date":"2025-11-07","kind":"sale","planned":false,"acquired":false,"shares":5000,"price":102.352,"value":511760.0,"ownership":{"direct":false,"nature":"See Footnote"},"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 $102.343 to $102.455, 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, upon request, full information regarding the number of shares sold at each separate price."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"Shares held directly by the Stang Family Trust dated September 2, 2004 for which the Reporting Person serves as a trustee."}],"balance_after":24394,"source":{"system":"sec-edgar","filing":"0001193125-25-277055","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/917273/000119312525277055/ownership.xml","form_type":"4"}},{"id":1023699,"issuer":{"id":3575,"kind":"organization","name":"RAMBUS INC","symbol":"RMBS"},"owners":[{"id":49598,"kind":"person","name":"Lynch Desmond","position":1,"cik":"0001941085","reported_name":"Lynch Desmond","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"SVP, CFO"}}],"security":"Common Stock","published_at":"2025-10-06T20:08:04.000Z","date":"2025-10-06","kind":"sale","planned":true,"acquired":false,"shares":3607,"price":101.9924,"value":367886.5868,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sale reported in this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted on June 13, 2025."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"The price reported in Column 4 is a weighted average price.  These shares were sold in multiple transactions at prices ranging from $101.82 to $102.13, inclusive.  The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities or Exchange Commission, upon request, full information regarding the number of shares sold at each separate price."}],"balance_after":55356,"source":{"system":"sec-edgar","filing":"0001193125-25-231877","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/917273/000119312525231877/ownership.xml","form_type":"4"}},{"id":1023698,"issuer":{"id":3575,"kind":"organization","name":"RAMBUS INC","symbol":"RMBS"},"owners":[{"id":49598,"kind":"person","name":"Lynch Desmond","position":1,"cik":"0001941085","reported_name":"Lynch Desmond","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"SVP, CFO"}}],"security":"Common Stock","published_at":"2025-10-06T20:08:04.000Z","date":"2025-10-06","kind":"sale","planned":true,"acquired":false,"shares":5467,"price":101.1681,"value":553086.0027,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sale reported in this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted on June 13, 2025."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The price reported in Column 4 is a weighted average price.  These shares were sold in multiple transactions at prices ranging from $100.75 to $101.665, inclusive.  The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities or Exchange Commission, upon request, full information regarding the number of shares sold at each separate price."}],"balance_after":58963,"source":{"system":"sec-edgar","filing":"0001193125-25-231877","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/917273/000119312525231877/ownership.xml","form_type":"4"}},{"id":1028357,"issuer":{"id":3575,"kind":"organization","name":"RAMBUS INC","symbol":"RMBS"},"owners":[{"id":43259,"kind":"person","name":"Rao Meera","position":1,"cik":"0001480603","reported_name":"Rao Meera","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2025-10-02T15:00:30.000Z","date":"2025-10-01","kind":"sale","planned":true,"acquired":false,"shares":653,"price":101.99,"value":66599.47,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sale reported in this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted on May 30, 2025."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"All shares sold at an exact price of $101.99."}],"balance_after":29261,"source":{"system":"sec-edgar","filing":"0001193125-25-227691","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/917273/000119312525227691/ownership.xml","form_type":"4"}},{"id":1039812,"issuer":{"id":3575,"kind":"organization","name":"RAMBUS INC","symbol":"RMBS"},"owners":[{"id":49598,"kind":"person","name":"Lynch Desmond","position":1,"cik":"0001941085","reported_name":"Lynch Desmond","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"SVP, CFO"}}],"security":"Common Stock","published_at":"2025-09-16T21:46:31.000Z","date":"2025-09-15","kind":"sale","planned":true,"acquired":false,"shares":9074,"price":91.7014,"value":832098.5036,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sale reported in this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted on June 13, 2025."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The price reported in Column 4 is a weighted average price.  These shares were sold in mulitple transactions at prices ranging from $88.125 to $94.50, inclusive."}],"balance_after":64430,"source":{"system":"sec-edgar","filing":"0001193125-25-205166","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/917273/000119312525205166/ownership.xml","form_type":"4"}},{"id":1042194,"issuer":{"id":3575,"kind":"organization","name":"RAMBUS INC","symbol":"RMBS"},"owners":[{"id":10833,"kind":"person","name":"Sayiner Necip","position":1,"cik":"0001338515","reported_name":"Sayiner Necip","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2025-09-12T17:51:51.000Z","date":"2025-09-11","kind":"sale","planned":false,"acquired":false,"shares":7500,"price":85.6301,"value":642225.75,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"All shares sold at an exact price of $85.630100."}],"balance_after":30824,"source":{"system":"sec-edgar","filing":"0000950170-25-114452","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/917273/000095017025114452/ownership.xml","form_type":"4"}},{"id":1048671,"issuer":{"id":3575,"kind":"organization","name":"RAMBUS INC","symbol":"RMBS"},"owners":[{"id":43259,"kind":"person","name":"Rao Meera","position":1,"cik":"0001480603","reported_name":"Rao Meera","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2025-09-04T22:08:22.000Z","date":"2025-09-02","kind":"sale","planned":true,"acquired":false,"shares":3000,"price":71.72,"value":215160.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sale reported in this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted on May 30, 2025."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"All shares sold at an exact price of $71.72."}],"balance_after":29914,"source":{"system":"sec-edgar","filing":"0001480603-25-000004","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/917273/000148060325000004/ownership.xml","form_type":"4"}},{"id":1050555,"issuer":{"id":3575,"kind":"organization","name":"RAMBUS INC","symbol":"RMBS"},"owners":[{"id":49598,"kind":"person","name":"Lynch Desmond","position":1,"cik":"0001941085","reported_name":"Lynch Desmond","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"SVP, CFO"}}],"security":"Common Stock","published_at":"2025-09-03T23:30:51.000Z","date":"2025-09-01","kind":"tax_withholding","planned":false,"acquired":false,"shares":2725,"price":73.485,"value":200246.625,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The shares were withheld to cover the Reporting Person's tax liability in connection with the vesting of restricted stock units, or RSUs."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Includes an exempt transaction of 431 shares acquired through the Rambus Inc. 2015 Employee Stock Purchase Plan."}],"balance_after":73504,"source":{"system":"sec-edgar","filing":"0001941085-25-000005","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/917273/000194108525000005/ownership.xml","form_type":"4"}},{"id":1051978,"issuer":{"id":3575,"kind":"organization","name":"RAMBUS INC","symbol":"RMBS"},"owners":[{"id":48469,"kind":"person","name":"LAUB STEVEN","position":1,"cik":"0001224180","reported_name":"LAUB STEVEN","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2025-09-02T19:52:23.000Z","date":"2025-08-29","kind":"sale","planned":false,"acquired":false,"shares":2261,"price":78.724,"value":177994.964,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"All shares sold at an exact price of $78.72400."}],"balance_after":6796,"source":{"system":"sec-edgar","filing":"0001224180-25-000004","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/917273/000122418025000004/ownership.xml","form_type":"4"}},{"id":1065864,"issuer":{"id":3575,"kind":"organization","name":"RAMBUS INC","symbol":"RMBS"},"owners":[{"id":11354,"kind":"person","name":"Higashi Emiko","position":1,"cik":"0001318086","reported_name":"Higashi Emiko","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2025-08-15T16:02:14.000Z","date":"2025-08-13","kind":"sale","planned":false,"acquired":false,"shares":1075,"price":77.75,"value":83581.25,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"All shares sold at an exact price of $77.750000"}],"balance_after":62296,"source":{"system":"sec-edgar","filing":"0001318086-25-000007","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/917273/000131808625000007/ownership.xml","form_type":"4"}},{"id":1070805,"issuer":{"id":3575,"kind":"organization","name":"RAMBUS INC","symbol":"RMBS"},"owners":[{"id":10833,"kind":"person","name":"Sayiner Necip","position":1,"cik":"0001338515","reported_name":"Sayiner Necip","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2025-08-11T22:25:03.000Z","date":"2025-08-08","kind":"sale","planned":false,"acquired":false,"shares":7500,"price":73.5264,"value":551448.0,"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 $73.51 to $73.59, 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, upon request, full information regarding the number of shares sold at each separate price."}],"balance_after":38324,"source":{"system":"sec-edgar","filing":"0001338515-25-000004","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/917273/000133851525000004/ownership.xml","form_type":"4"}},{"id":1073454,"issuer":{"id":3575,"kind":"organization","name":"RAMBUS INC","symbol":"RMBS"},"owners":[{"id":11354,"kind":"person","name":"Higashi Emiko","position":1,"cik":"0001318086","reported_name":"Higashi Emiko","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2025-08-06T17:20:40.000Z","date":"2025-08-04","kind":"sale","planned":false,"acquired":false,"shares":1111,"price":75,"value":83325.0,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"All shares sold at an exact price of $75.000000"}],"balance_after":63371,"source":{"system":"sec-edgar","filing":"0000950170-25-103749","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/917273/000095017025103749/ownership.xml","form_type":"4"}},{"id":1075445,"issuer":{"id":3575,"kind":"organization","name":"RAMBUS INC","symbol":"RMBS"},"owners":[{"id":44408,"kind":"person","name":"Shinn John","position":1,"cik":"0001847137","reported_name":"Shinn John","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"SVP, General Counsel"}}],"security":"Common Stock","published_at":"2025-08-05T23:18:27.000Z","date":"2025-08-04","kind":"sale","planned":false,"acquired":false,"shares":790,"price":74.6138,"value":58944.902,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"All shares sold at an exact price of $74.613800"}],"balance_after":20188,"source":{"system":"sec-edgar","filing":"0000950170-25-103341","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/917273/000095017025103341/ownership.xml","form_type":"4"}},{"id":1132571,"issuer":{"id":3575,"kind":"organization","name":"RAMBUS INC","symbol":"RMBS"},"owners":[{"id":48469,"kind":"person","name":"LAUB STEVEN","position":1,"cik":"0001224180","reported_name":"LAUB STEVEN","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2025-05-28T22:11:13.000Z","date":"2025-05-27","kind":"sale","planned":false,"acquired":false,"shares":1847,"price":55.125,"value":101815.875,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"All shares traded at $55.125."}],"balance_after":9057,"source":{"system":"sec-edgar","filing":"0000917273-25-000084","document":"wk-form4_1748470266.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/917273/000091727325000084/wk-form4_1748470266.xml","form_type":"4"}},{"id":1141108,"issuer":{"id":3575,"kind":"organization","name":"RAMBUS INC","symbol":"RMBS"},"owners":[{"id":48469,"kind":"person","name":"LAUB STEVEN","position":1,"cik":"0001224180","reported_name":"LAUB STEVEN","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2025-05-20T22:03:39.000Z","date":"2025-05-19","kind":"sale","planned":false,"acquired":false,"shares":3653,"price":55.56,"value":202960.68,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"All shares traded at $55.56."}],"balance_after":10904,"source":{"system":"sec-edgar","filing":"0000917273-25-000082","document":"wk-form4_1747778612.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/917273/000091727325000082/wk-form4_1747778612.xml","form_type":"4"}},{"id":1152808,"issuer":{"id":3575,"kind":"organization","name":"RAMBUS INC","symbol":"RMBS"},"owners":[{"id":2497,"kind":"person","name":"STANG ERIC B","position":1,"cik":"0001234045","reported_name":"STANG ERIC B","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2025-05-12T22:36:35.000Z","date":"2025-05-09","kind":"sale","planned":false,"acquired":false,"shares":3653,"price":51.13,"value":186777.89,"ownership":{"direct":false,"nature":"See Footnote"},"footnotes":[{"field":"ownership.nature","element":"natureOfOwnership","label":"F1","text":"Shares held directly by the Stang Family Trust dated September 2, 2004 for which the Reporting Person serves as a trustee."}],"balance_after":29394,"source":{"system":"sec-edgar","filing":"0000917273-25-000080","document":"wk-form4_1747089388.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/917273/000091727325000080/wk-form4_1747089388.xml","form_type":"4"}},{"id":1157872,"issuer":{"id":3575,"kind":"organization","name":"RAMBUS INC","symbol":"RMBS"},"owners":[{"id":49598,"kind":"person","name":"Lynch Desmond","position":1,"cik":"0001941085","reported_name":"Lynch Desmond","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"SVP, CFO"}}],"security":"Common Stock","published_at":"2025-05-06T20:53:29.000Z","date":"2025-05-05","kind":"sale","planned":true,"acquired":false,"shares":3118,"price":50.31,"value":156866.58,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sale reported in this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted on December 13, 2024."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"All shares traded at $50.31."}],"balance_after":75798,"source":{"system":"sec-edgar","filing":"0000917273-25-000077","document":"wk-form4_1746564803.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/917273/000091727325000077/wk-form4_1746564803.xml","form_type":"4"}},{"id":1166745,"issuer":{"id":3575,"kind":"organization","name":"RAMBUS INC","symbol":"RMBS"},"owners":[{"id":54005,"kind":"person","name":"Seraphin Luc","position":1,"cik":"0001341984","reported_name":"Seraphin Luc","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President and CEO"}}],"security":"Common Stock","published_at":"2025-04-24T16:10:17.000Z","date":"2025-04-23","kind":"sale","planned":true,"acquired":false,"shares":6348,"price":46.97,"value":298165.56,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sale reported in this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted on December 13, 2024."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"All shares traded at $46.97."}],"balance_after":319241,"source":{"system":"sec-edgar","filing":"0000917273-25-000069","document":"wk-form4_1745511010.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/917273/000091727325000069/wk-form4_1745511010.xml","form_type":"4"}},{"id":1166744,"issuer":{"id":3575,"kind":"organization","name":"RAMBUS INC","symbol":"RMBS"},"owners":[{"id":54005,"kind":"person","name":"Seraphin Luc","position":1,"cik":"0001341984","reported_name":"Seraphin Luc","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President and CEO"}}],"security":"Common Stock","published_at":"2025-04-24T16:10:17.000Z","date":"2025-04-22","kind":"sale","planned":true,"acquired":false,"shares":1255,"price":45,"value":56475.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sale reported in this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted on December 13, 2024."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"All shares traded at $45.00."}],"balance_after":325589,"source":{"system":"sec-edgar","filing":"0000917273-25-000069","document":"wk-form4_1745511010.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/917273/000091727325000069/wk-form4_1745511010.xml","form_type":"4"}},{"id":1171285,"issuer":{"id":3575,"kind":"organization","name":"RAMBUS INC","symbol":"RMBS"},"owners":[{"id":54005,"kind":"person","name":"Seraphin Luc","position":1,"cik":"0001341984","reported_name":"Seraphin Luc","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President and CEO"}}],"security":"Common Stock","published_at":"2025-04-16T21:58:43.000Z","date":"2025-04-15","kind":"sale","planned":true,"acquired":false,"shares":10000,"price":47.7868,"value":477868.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sale reported in this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted on December 13, 2024."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $47.31 to $48.22, 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, upon request, full information regarding the number of shares sold at each separate price."}],"balance_after":326844,"source":{"system":"sec-edgar","filing":"0000917273-25-000067","document":"wk-form4_1744840716.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/917273/000091727325000067/wk-form4_1744840716.xml","form_type":"4"}},{"id":1176033,"issuer":{"id":3575,"kind":"organization","name":"RAMBUS INC","symbol":"RMBS"},"owners":[{"id":54005,"kind":"person","name":"Seraphin Luc","position":1,"cik":"0001341984","reported_name":"Seraphin Luc","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President and CEO"}}],"security":"Common Stock","published_at":"2025-04-09T01:15:38.000Z","date":"2025-04-08","kind":"sale","planned":true,"acquired":false,"shares":10000,"price":46.81,"value":468100.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sale reported in this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted on December 13, 2024."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"All shares traded at $46.81"}],"balance_after":336844,"source":{"system":"sec-edgar","filing":"0000917273-25-000065","document":"wk-form4_1744161331.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/917273/000091727325000065/wk-form4_1744161331.xml","form_type":"4"}},{"id":1180919,"issuer":{"id":3575,"kind":"organization","name":"RAMBUS INC","symbol":"RMBS"},"owners":[{"id":53502,"kind":"person","name":"Allen John K","position":1,"cik":"0001397728","reported_name":"Allen John K","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Accounting Officer"}}],"security":"Common Stock","published_at":"2025-04-03T23:31:07.000Z","date":"2025-04-03","kind":"tax_withholding","planned":false,"acquired":false,"shares":1129,"price":46.15,"value":52103.35,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F4","text":"The shares were withheld to cover the Reporting Person's tax liability in connection with the vesting of restricted stock units, or RSUs."}],"balance_after":16090,"source":{"system":"sec-edgar","filing":"0000917273-25-000063","document":"wk-form4_1743723061.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/917273/000091727325000063/wk-form4_1743723061.xml","form_type":"4"}},{"id":1180918,"issuer":{"id":3575,"kind":"organization","name":"RAMBUS INC","symbol":"RMBS"},"owners":[{"id":53502,"kind":"person","name":"Allen John K","position":1,"cik":"0001397728","reported_name":"Allen John K","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Accounting Officer"}}],"security":"Common Stock","published_at":"2025-04-03T23:31:07.000Z","date":"2025-04-01","kind":"tax_withholding","planned":false,"acquired":false,"shares":490,"price":52.29,"value":25622.1,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F4","text":"The shares were withheld to cover the Reporting Person's tax liability in connection with the vesting of restricted stock units, or RSUs."}],"balance_after":17219,"source":{"system":"sec-edgar","filing":"0000917273-25-000063","document":"wk-form4_1743723061.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/917273/000091727325000063/wk-form4_1743723061.xml","form_type":"4"}},{"id":1180917,"issuer":{"id":3575,"kind":"organization","name":"RAMBUS INC","symbol":"RMBS"},"owners":[{"id":53502,"kind":"person","name":"Allen John K","position":1,"cik":"0001397728","reported_name":"Allen John K","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Accounting Officer"}}],"security":"Common Stock","published_at":"2025-04-03T23:31:07.000Z","date":"2025-04-01","kind":"grant","planned":false,"acquired":true,"shares":5168,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"The shares are represented by RSUs which vest in four equal annual installments beginning on April 1, 2026 or the first business trading day thereafter. Each RSU represents a contingent right to receive one share of RMBS common stock."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Includes an exempt transaction of 274 shares acquired through the Rambus Inc. 2015 Employee Stock Purchase plan."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"Includes an exempt transaction of 311 shares acquired through the Rambus Inc. 2015 Employee Stock Purchase plan."}],"balance_after":17709,"source":{"system":"sec-edgar","filing":"0000917273-25-000063","document":"wk-form4_1743723061.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/917273/000091727325000063/wk-form4_1743723061.xml","form_type":"4"}},{"id":1180916,"issuer":{"id":3575,"kind":"organization","name":"RAMBUS INC","symbol":"RMBS"},"owners":[{"id":48469,"kind":"person","name":"LAUB STEVEN","position":1,"cik":"0001224180","reported_name":"LAUB STEVEN","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2025-04-03T20:12:16.000Z","date":"2025-04-01","kind":"grant","planned":false,"acquired":true,"shares":3824,"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 April 1, 2026 or the first business day thereafter. Each RSU represents the contingent right to receive one share of RMBS common stock."}],"balance_after":14557,"source":{"system":"sec-edgar","filing":"0000917273-25-000061","document":"wk-form4_1743711129.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/917273/000091727325000061/wk-form4_1743711129.xml","form_type":"4"}},{"id":1180915,"issuer":{"id":3575,"kind":"organization","name":"RAMBUS INC","symbol":"RMBS"},"owners":[{"id":10833,"kind":"person","name":"Sayiner Necip","position":1,"cik":"0001338515","reported_name":"Sayiner Necip","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2025-04-03T20:04:40.000Z","date":"2025-04-01","kind":"grant","planned":false,"acquired":true,"shares":3824,"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 April 1, 2026 or the first business day thereafter. Each RSU represents the contingent right to receive one share of RMBS common stock."}],"balance_after":45824,"source":{"system":"sec-edgar","filing":"0000917273-25-000059","document":"wk-form4_1743710673.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/917273/000091727325000059/wk-form4_1743710673.xml","form_type":"4"}},{"id":1180914,"issuer":{"id":3575,"kind":"organization","name":"RAMBUS INC","symbol":"RMBS"},"owners":[{"id":43259,"kind":"person","name":"Rao Meera","position":1,"cik":"0001480603","reported_name":"Rao Meera","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2025-04-03T19:58:35.000Z","date":"2025-04-01","kind":"grant","planned":false,"acquired":true,"shares":3824,"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 April 1, 2026 or the first business day thereafter. Each RSU represents the contingent right to receive one share of RMBS common stock."}],"balance_after":32914,"source":{"system":"sec-edgar","filing":"0000917273-25-000057","document":"wk-form4_1743710308.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/917273/000091727325000057/wk-form4_1743710308.xml","form_type":"4"}},{"id":1180913,"issuer":{"id":3575,"kind":"organization","name":"RAMBUS INC","symbol":"RMBS"},"owners":[{"id":11354,"kind":"person","name":"Higashi Emiko","position":1,"cik":"0001318086","reported_name":"Higashi Emiko","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2025-04-03T19:51:33.000Z","date":"2025-04-01","kind":"grant","planned":false,"acquired":true,"shares":3824,"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 April 1, 2026 or the first business day thereafter. Each RSU represents the contingent right to receive one share of RMBS common stock."}],"balance_after":64482,"source":{"system":"sec-edgar","filing":"0000917273-25-000055","document":"wk-form4_1743709887.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/917273/000091727325000055/wk-form4_1743709887.xml","form_type":"4"}},{"id":1180912,"issuer":{"id":3575,"kind":"organization","name":"RAMBUS INC","symbol":"RMBS"},"owners":[{"id":25192,"kind":"person","name":"KISSNER CHARLES","position":1,"cik":"0001188095","reported_name":"KISSNER CHARLES","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2025-04-03T19:44:27.000Z","date":"2025-04-01","kind":"grant","planned":false,"acquired":true,"shares":3824,"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 April 1, 2026 or the first business day thereafter. Each RSU represents the contingent right to receive one share of RMBS common stock."}],"balance_after":38322,"source":{"system":"sec-edgar","filing":"0000917273-25-000053","document":"wk-form4_1743709460.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/917273/000091727325000053/wk-form4_1743709460.xml","form_type":"4"}},{"id":1180909,"issuer":{"id":3575,"kind":"organization","name":"RAMBUS INC","symbol":"RMBS"},"owners":[{"id":2497,"kind":"person","name":"STANG ERIC B","position":1,"cik":"0001234045","reported_name":"STANG ERIC B","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2025-04-03T19:35:37.000Z","date":"2025-04-01","kind":"grant","planned":false,"acquired":true,"shares":3824,"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 April 1, 2026 or the first business day thereafter. Each RSU represents the contingent right to receive one share of RMBS common stock."}],"balance_after":3824,"source":{"system":"sec-edgar","filing":"0000917273-25-000051","document":"wk-form4_1743708930.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/917273/000091727325000051/wk-form4_1743708930.xml","form_type":"4"}},{"id":1180911,"issuer":{"id":3575,"kind":"organization","name":"RAMBUS INC","symbol":"RMBS"},"owners":[{"id":49598,"kind":"person","name":"Lynch Desmond","position":1,"cik":"0001941085","reported_name":"Lynch Desmond","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"SVP, CFO"}}],"security":"Common Stock","published_at":"2025-04-03T19:23:43.000Z","date":"2025-04-01","kind":"tax_withholding","planned":false,"acquired":false,"shares":1829,"price":52.29,"value":95638.41,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F2","text":"The shares were withheld to cover the Reporting Person's tax liability in connection with the vesting of restricted stock units, or RSUs."}],"balance_after":78916,"source":{"system":"sec-edgar","filing":"0000917273-25-000049","document":"wk-form4_1743708217.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/917273/000091727325000049/wk-form4_1743708217.xml","form_type":"4"}},{"id":1180910,"issuer":{"id":3575,"kind":"organization","name":"RAMBUS INC","symbol":"RMBS"},"owners":[{"id":49598,"kind":"person","name":"Lynch Desmond","position":1,"cik":"0001941085","reported_name":"Lynch Desmond","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"SVP, CFO"}}],"security":"Common Stock","published_at":"2025-04-03T19:23:43.000Z","date":"2025-04-01","kind":"grant","planned":false,"acquired":true,"shares":18167,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"The shares are represented by RSUs which vest in four equal annual installments beginning on April 1, 2026 or the first business trading day thereafter. Each RSU represents a contingent right to receive one share of RMBS common stock."}],"balance_after":80745,"source":{"system":"sec-edgar","filing":"0000917273-25-000049","document":"wk-form4_1743708217.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/917273/000091727325000049/wk-form4_1743708217.xml","form_type":"4"}},{"id":1180908,"issuer":{"id":3575,"kind":"organization","name":"RAMBUS INC","symbol":"RMBS"},"owners":[{"id":44408,"kind":"person","name":"Shinn John","position":1,"cik":"0001847137","reported_name":"Shinn John","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"SVP, General Counsel"}}],"security":"Common Stock","published_at":"2025-04-03T19:17:01.000Z","date":"2025-04-01","kind":"tax_withholding","planned":false,"acquired":false,"shares":817,"price":52.29,"value":42720.93,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F2","text":"The shares were withheld to cover the Reporting Person's tax liability in connection with the vesting of restricted stock units, or RSUs."}],"balance_after":20978,"source":{"system":"sec-edgar","filing":"0000917273-25-000047","document":"wk-form4_1743707815.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/917273/000091727325000047/wk-form4_1743707815.xml","form_type":"4"}},{"id":1180907,"issuer":{"id":3575,"kind":"organization","name":"RAMBUS INC","symbol":"RMBS"},"owners":[{"id":44408,"kind":"person","name":"Shinn John","position":1,"cik":"0001847137","reported_name":"Shinn John","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"SVP, General Counsel"}}],"security":"Common Stock","published_at":"2025-04-03T19:17:01.000Z","date":"2025-04-01","kind":"grant","planned":false,"acquired":true,"shares":8605,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"The shares are represented by RSUs which vest in four equal annual installments beginning on April 1, 2026 or the first business trading day thereafter. Each RSU represents a contingent right to receive one share of RMBS common stock."}],"balance_after":21795,"source":{"system":"sec-edgar","filing":"0000917273-25-000047","document":"wk-form4_1743707815.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/917273/000091727325000047/wk-form4_1743707815.xml","form_type":"4"}},{"id":1180906,"issuer":{"id":3575,"kind":"organization","name":"RAMBUS INC","symbol":"RMBS"},"owners":[{"id":44409,"kind":"person","name":"FAN XIANZHI SEAN","position":1,"cik":"0001583840","reported_name":"FAN XIANZHI SEAN","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP, COO"}}],"security":"Common Stock","published_at":"2025-04-03T19:08:04.000Z","date":"2025-04-01","kind":"tax_withholding","planned":false,"acquired":false,"shares":3496,"price":52.29,"value":182805.84,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F2","text":"The shares were withheld to cover the Reporting Person's tax liability in connection with the vesting of restricted stock units, or RSUs."}],"balance_after":138155,"source":{"system":"sec-edgar","filing":"0000917273-25-000045","document":"wk-form4_1743707278.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/917273/000091727325000045/wk-form4_1743707278.xml","form_type":"4"}},{"id":1180905,"issuer":{"id":3575,"kind":"organization","name":"RAMBUS INC","symbol":"RMBS"},"owners":[{"id":44409,"kind":"person","name":"FAN XIANZHI SEAN","position":1,"cik":"0001583840","reported_name":"FAN XIANZHI SEAN","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP, COO"}}],"security":"Common Stock","published_at":"2025-04-03T19:08:04.000Z","date":"2025-04-01","kind":"grant","planned":false,"acquired":true,"shares":47810,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"The shares are represented by RSUs which vest in four equal annual installments beginning on April 1, 2026 or the first business trading day thereafter. Each RSU represents a contingent right to receive one share of RMBS common stock."}],"balance_after":141651,"source":{"system":"sec-edgar","filing":"0000917273-25-000045","document":"wk-form4_1743707278.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/917273/000091727325000045/wk-form4_1743707278.xml","form_type":"4"}},{"id":1180904,"issuer":{"id":3575,"kind":"organization","name":"RAMBUS INC","symbol":"RMBS"},"owners":[{"id":54005,"kind":"person","name":"Seraphin Luc","position":1,"cik":"0001341984","reported_name":"Seraphin Luc","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President and CEO"}}],"security":"Common Stock","published_at":"2025-04-03T18:50:47.000Z","date":"2025-04-01","kind":"sale","planned":true,"acquired":false,"shares":10000,"price":50.8815,"value":508815.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F3","text":"The sale reported in this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted on December 13, 2024."},{"field":"price","element":"transactionPricePerShare","label":"F4","text":"The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $50.175 to $51.41, 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, upon request, full information regarding the number of shares sold at each separate price."}],"balance_after":346844,"source":{"system":"sec-edgar","filing":"0000917273-25-000043","document":"wk-form4_1743706241.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/917273/000091727325000043/wk-form4_1743706241.xml","form_type":"4"}},{"id":1180903,"issuer":{"id":3575,"kind":"organization","name":"RAMBUS INC","symbol":"RMBS"},"owners":[{"id":54005,"kind":"person","name":"Seraphin Luc","position":1,"cik":"0001341984","reported_name":"Seraphin Luc","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President and CEO"}}],"security":"Common Stock","published_at":"2025-04-03T18:50:47.000Z","date":"2025-04-01","kind":"tax_withholding","planned":true,"acquired":false,"shares":5164,"price":52.29,"value":270025.56,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F2","text":"The shares were withheld to cover the Reporting Person's tax liability in connection with the vesting of restricted stock units, or RSUs."}],"balance_after":356844,"source":{"system":"sec-edgar","filing":"0000917273-25-000043","document":"wk-form4_1743706241.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/917273/000091727325000043/wk-form4_1743706241.xml","form_type":"4"}},{"id":1180902,"issuer":{"id":3575,"kind":"organization","name":"RAMBUS INC","symbol":"RMBS"},"owners":[{"id":54005,"kind":"person","name":"Seraphin Luc","position":1,"cik":"0001341984","reported_name":"Seraphin Luc","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President and CEO"}}],"security":"Common Stock","published_at":"2025-04-03T18:50:47.000Z","date":"2025-04-01","kind":"grant","planned":true,"acquired":true,"shares":55077,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"The shares are represented by RSUs which vest in four equal annual installments beginning on April 1, 2026 or the first business trading day thereafter. Each RSU represents a contingent right to receive one share of RMBS common stock."}],"balance_after":362008,"source":{"system":"sec-edgar","filing":"0000917273-25-000043","document":"wk-form4_1743706241.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/917273/000091727325000043/wk-form4_1743706241.xml","form_type":"4"}}],"next_cursor":"2025-04-03T18:50:47.000000Z,1180902"}