{"transactions":[{"id":4637322,"issuer":{"id":3072,"kind":"organization","name":"Cerebras Systems Inc.","symbol":"CBRS"},"owners":[{"id":19580,"kind":"person","name":"Vishria Eric","position":1,"cik":"0001617474","reported_name":"Vishria Eric","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Class A Common Stock","published_at":"2026-10-07T21:48:31.000Z","date":"2026-10-05","kind":"other","planned":true,"acquired":true,"shares":59126,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"See Footnote"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Represents a pro-rata, in-kind distribution by Benchmark Capital Partners VIII, L.P. (\"BCP VIII\") and its affiliated funds, not for additional consideration, to its partners, including their respective members and assignees, in accordance with a Rule 10b5-1 trading plan adopted by BCP VIII on May 14, 2026."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"Shares are held by entities controlled by the reporting person."}],"balance_after":334980,"source":{"system":"sec-edgar","filing":"0001104659-26-114412","document":"tm2627178-1_4seq1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/2021728/000110465926114412/tm2627178-1_4seq1.xml","form_type":"4"}},{"id":4636353,"issuer":{"id":3072,"kind":"organization","name":"Cerebras Systems Inc.","symbol":"CBRS"},"owners":[{"id":19979,"kind":"person","name":"Feldman Andrew D.","position":1,"cik":"0002039573","reported_name":"Feldman Andrew 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which is controlled by the Reporting Person."}],"balance_after":372659,"source":{"system":"sec-edgar","filing":"0001193125-26-412337","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1832895/000119312526412337/ownership.xml","form_type":"4"}},{"id":4632736,"issuer":{"id":3072,"kind":"organization","name":"Cerebras Systems Inc.","symbol":"CBRS"},"owners":[{"id":10011,"kind":"person","name":"Susan Lior","position":1,"cik":"0001832895","reported_name":"Susan Lior","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Class A Common Stock","published_at":"2026-10-03T00:21:26.000Z","date":"2026-09-30","kind":"other","planned":false,"acquired":true,"shares":68428,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F3","text":"The shares were obtained pursuant to a pro-rata, in-kind distribution from the Eclipse Entities, for no additional consideration."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"The shares were obtained pursuant to a pro-rata, in-kind distribution from the Eclipse Entities, for no additional consideration."}],"balance_after":420355,"source":{"system":"sec-edgar","filing":"0001193125-26-412337","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1832895/000119312526412337/ownership.xml","form_type":"4"}},{"id":4632735,"issuer":{"id":3072,"kind":"organization","name":"Cerebras Systems Inc.","symbol":"CBRS"},"owners":[{"id":10011,"kind":"person","name":"Susan Lior","position":1,"cik":"0001832895","reported_name":"Susan Lior","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Class A Common 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(\"Eclipse Continuity Fund\"); (ii) 2,573,548 shares of Class A common stock held by Eclipse SPV II, L.P. (\"Eclipse SPV II\"); (iii) 235,755 shares of Class A common stock held by Eclipse SPV XIII, L.P. (\"Eclipse SPV XIII\"); and (iv) 2,168,376 shares of Class A common stock held by Eclipse Ventures Fund I, L.P. (\"Eclipse Fund,\" and together with Eclipse Continuity Fund, Eclipse SPV II, and Eclipse SPV XIII, \"Eclipse Entities\"). The Reporting Person is the sole managing member of the general partner of each of the Eclipse Entities and may be deemed to have voting, investment, and dispositive power with respect to the shares held by such entities."}],"balance_after":5292222,"source":{"system":"sec-edgar","filing":"0001193125-26-412337","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1832895/000119312526412337/ownership.xml","form_type":"4"}},{"id":4634217,"issuer":{"id":3072,"kind":"organization","name":"Cerebras Systems Inc.","symbol":"CBRS"},"owners":[{"id":21300,"kind":"person","name":"Komin Robert Patrick Jr.","position":1,"cik":"0001648800","reported_name":"Komin Robert Patrick Jr.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Financial Officer"}}],"security":"Class A Common Stock","published_at":"2026-10-01T02:35:38.000Z","date":"2026-09-29","kind":"sale","planned":true,"acquired":false,"shares":3000,"price":194.92,"value":584760.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sale reported on this Form 4 represents shares sold by the Reporting Person pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on June 30, 2026"},{"field":"shares","element":"transactionShares","label":"F17","text":"The sale price reported in Column 4 of Table 1 represents the weighted average sale price of the shares sold ranging from $194.45 to $195.21, inclusive. Upon request by the staff of the Securities and Exchange commission, the Issuer, or a security holder of the Issuer, the Reporting Person will provide full information regarding the number of shares sold at each separate price."}],"balance_after":0,"source":{"system":"sec-edgar","filing":"0001628280-26-064044","document":"wk-form4_1790807735.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":16,"url":"https://www.sec.gov/Archives/edgar/data/2021728/000162828026064044/wk-form4_1790807735.xml","form_type":"4"}},{"id":4634216,"issuer":{"id":3072,"kind":"organization","name":"Cerebras Systems Inc.","symbol":"CBRS"},"owners":[{"id":21300,"kind":"person","name":"Komin Robert Patrick Jr.","position":1,"cik":"0001648800","reported_name":"Komin Robert Patrick Jr.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Financial Officer"}}],"security":"Class A Common Stock","published_at":"2026-10-01T02:35:38.000Z","date":"2026-09-29","kind":"sale","planned":true,"acquired":false,"shares":1115,"price":195.61,"value":218105.15,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sale reported on this Form 4 represents shares sold by the Reporting Person pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on June 30, 2026"},{"field":"shares","element":"transactionShares","label":"F16","text":"The sale price reported in Column 4 of Table 1 represents the weighted average sale price of the shares sold ranging from $195.45 to $195.89, inclusive. Upon request by the staff of the Securities and Exchange commission, the Issuer, or a security holder of the Issuer, the Reporting Person will provide full information regarding the number of shares sold at each separate price."}],"balance_after":3000,"source":{"system":"sec-edgar","filing":"0001628280-26-064044","document":"wk-form4_1790807735.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":15,"url":"https://www.sec.gov/Archives/edgar/data/2021728/000162828026064044/wk-form4_1790807735.xml","form_type":"4"}},{"id":4634215,"issuer":{"id":3072,"kind":"organization","name":"Cerebras Systems Inc.","symbol":"CBRS"},"owners":[{"id":21300,"kind":"person","name":"Komin Robert Patrick Jr.","position":1,"cik":"0001648800","reported_name":"Komin Robert Patrick Jr.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Financial Officer"}}],"security":"Class A Common Stock","published_at":"2026-10-01T02:35:38.000Z","date":"2026-09-29","kind":"sale","planned":true,"acquired":false,"shares":685,"price":197.48,"value":135273.8,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sale reported on this Form 4 represents shares sold by the Reporting Person pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on June 30, 2026"},{"field":"shares","element":"transactionShares","label":"F15","text":"The sale price reported in Column 4 of Table 1 represents the weighted average sale price of the shares sold ranging from $197.15 to $198.13, inclusive. Upon request by the staff of the Securities and Exchange commission, the Issuer, or a security holder of the Issuer, the Reporting Person will provide full information regarding the number of shares sold at each separate price."}],"balance_after":4115,"source":{"system":"sec-edgar","filing":"0001628280-26-064044","document":"wk-form4_1790807735.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":14,"url":"https://www.sec.gov/Archives/edgar/data/2021728/000162828026064044/wk-form4_1790807735.xml","form_type":"4"}},{"id":4634214,"issuer":{"id":3072,"kind":"organization","name":"Cerebras Systems Inc.","symbol":"CBRS"},"owners":[{"id":21300,"kind":"person","name":"Komin Robert Patrick Jr.","position":1,"cik":"0001648800","reported_name":"Komin Robert Patrick Jr.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Financial Officer"}}],"security":"Class A Common Stock","published_at":"2026-10-01T02:35:38.000Z","date":"2026-09-29","kind":"sale","planned":true,"acquired":false,"shares":870,"price":198.7,"value":172869.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sale reported on this Form 4 represents shares sold by the Reporting Person pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on June 30, 2026"},{"field":"shares","element":"transactionShares","label":"F14","text":"The sale price reported in Column 4 of Table 1 represents the weighted average sale price of the shares sold ranging from $198.28 to $199.22, inclusive. Upon request by the staff of the Securities and Exchange commission, the Issuer, or a security holder of the Issuer, the Reporting Person will provide full information regarding the number of shares sold at each separate price."}],"balance_after":4800,"source":{"system":"sec-edgar","filing":"0001628280-26-064044","document":"wk-form4_1790807735.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":13,"url":"https://www.sec.gov/Archives/edgar/data/2021728/000162828026064044/wk-form4_1790807735.xml","form_type":"4"}},{"id":4634213,"issuer":{"id":3072,"kind":"organization","name":"Cerebras Systems Inc.","symbol":"CBRS"},"owners":[{"id":21300,"kind":"person","name":"Komin Robert Patrick Jr.","position":1,"cik":"0001648800","reported_name":"Komin Robert Patrick Jr.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Financial Officer"}}],"security":"Class A Common Stock","published_at":"2026-10-01T02:35:38.000Z","date":"2026-09-29","kind":"sale","planned":true,"acquired":false,"shares":1130,"price":199.8,"value":225774.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sale reported on this Form 4 represents shares sold by the Reporting Person pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on June 30, 2026"},{"field":"shares","element":"transactionShares","label":"F13","text":"The sale price reported in Column 4 of Table 1 represents the weighted average sale price of the shares sold ranging from $199.28 to $200.25, inclusive. 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Upon request by the staff of the Securities and Exchange commission, the Issuer, or a security holder of the Issuer, the Reporting Person will provide full information regarding the number of shares sold at each separate price."}],"balance_after":18000,"source":{"system":"sec-edgar","filing":"0001628280-26-064044","document":"wk-form4_1790807735.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":10,"url":"https://www.sec.gov/Archives/edgar/data/2021728/000162828026064044/wk-form4_1790807735.xml","form_type":"4"}},{"id":4634210,"issuer":{"id":3072,"kind":"organization","name":"Cerebras Systems Inc.","symbol":"CBRS"},"owners":[{"id":21300,"kind":"person","name":"Komin Robert Patrick Jr.","position":1,"cik":"0001648800","reported_name":"Komin Robert Patrick Jr.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Financial Officer"}}],"security":"Class A Common Stock","published_at":"2026-10-01T02:35:38.000Z","date":"2026-09-29","kind":"sale","planned":true,"acquired":false,"shares":800,"price":203.48,"value":162784.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sale reported on this Form 4 represents shares sold by the Reporting Person pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on June 30, 2026"},{"field":"shares","element":"transactionShares","label":"F10","text":"The sale price reported in Column 4 of Table 1 represents the weighted average sale price of the shares sold ranging from $202.85 to $203.78, inclusive. Upon request by the staff of the Securities and Exchange commission, the Issuer, or a security holder of the Issuer, the Reporting Person will provide full information regarding the number of shares sold at each separate price."}],"balance_after":18400,"source":{"system":"sec-edgar","filing":"0001628280-26-064044","document":"wk-form4_1790807735.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":9,"url":"https://www.sec.gov/Archives/edgar/data/2021728/000162828026064044/wk-form4_1790807735.xml","form_type":"4"}},{"id":4634209,"issuer":{"id":3072,"kind":"organization","name":"Cerebras Systems Inc.","symbol":"CBRS"},"owners":[{"id":21300,"kind":"person","name":"Komin Robert Patrick Jr.","position":1,"cik":"0001648800","reported_name":"Komin Robert Patrick Jr.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Financial Officer"}}],"security":"Class A Common Stock","published_at":"2026-10-01T02:35:38.000Z","date":"2026-09-29","kind":"sale","planned":true,"acquired":false,"shares":1600,"price":204.26,"value":326816.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sale reported on this Form 4 represents shares sold by the Reporting Person pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on June 30, 2026"},{"field":"shares","element":"transactionShares","label":"F9","text":"The sale price reported in Column 4 of Table 1 represents the weighted average sale price of the shares sold ranging from $203.93 to $204.86, inclusive. Upon request by the staff of the Securities and Exchange commission, the Issuer, or a security holder of the Issuer, the Reporting Person will provide full information regarding the number of shares sold at each separate price."}],"balance_after":19200,"source":{"system":"sec-edgar","filing":"0001628280-26-064044","document":"wk-form4_1790807735.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":8,"url":"https://www.sec.gov/Archives/edgar/data/2021728/000162828026064044/wk-form4_1790807735.xml","form_type":"4"}},{"id":4634208,"issuer":{"id":3072,"kind":"organization","name":"Cerebras Systems Inc.","symbol":"CBRS"},"owners":[{"id":21300,"kind":"person","name":"Komin Robert Patrick Jr.","position":1,"cik":"0001648800","reported_name":"Komin Robert Patrick Jr.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Financial Officer"}}],"security":"Class A Common Stock","published_at":"2026-10-01T02:35:38.000Z","date":"2026-09-29","kind":"sale","planned":true,"acquired":false,"shares":600,"price":205.47,"value":123282.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sale reported on this Form 4 represents shares sold by the Reporting Person pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on June 30, 2026"},{"field":"shares","element":"transactionShares","label":"F8","text":"The sale price reported in Column 4 of Table 1 represents the weighted average sale price of the shares sold ranging from $205.02 to $205.79, inclusive. Upon request by the staff of the Securities and Exchange commission, the Issuer, or a security holder of the Issuer, the Reporting Person will provide full information regarding the number of shares sold at each separate price."}],"balance_after":20800,"source":{"system":"sec-edgar","filing":"0001628280-26-064044","document":"wk-form4_1790807735.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":7,"url":"https://www.sec.gov/Archives/edgar/data/2021728/000162828026064044/wk-form4_1790807735.xml","form_type":"4"}},{"id":4634207,"issuer":{"id":3072,"kind":"organization","name":"Cerebras Systems Inc.","symbol":"CBRS"},"owners":[{"id":21300,"kind":"person","name":"Komin Robert Patrick Jr.","position":1,"cik":"0001648800","reported_name":"Komin Robert Patrick Jr.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Financial Officer"}}],"security":"Class A Common Stock","published_at":"2026-10-01T02:35:38.000Z","date":"2026-09-29","kind":"sale","planned":true,"acquired":false,"shares":800,"price":206.68,"value":165344.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sale reported on this Form 4 represents shares sold by the Reporting Person pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on June 30, 2026"},{"field":"shares","element":"transactionShares","label":"F7","text":"The sale price reported in Column 4 of Table 1 represents the weighted average sale price of the shares sold ranging from $206.18 to $207.17, inclusive. Upon request by the staff of the Securities and Exchange commission, the Issuer, or a security holder of the Issuer, the Reporting Person will provide full information regarding the number of shares sold at each separate price."}],"balance_after":21400,"source":{"system":"sec-edgar","filing":"0001628280-26-064044","document":"wk-form4_1790807735.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":6,"url":"https://www.sec.gov/Archives/edgar/data/2021728/000162828026064044/wk-form4_1790807735.xml","form_type":"4"}},{"id":4634206,"issuer":{"id":3072,"kind":"organization","name":"Cerebras Systems Inc.","symbol":"CBRS"},"owners":[{"id":21300,"kind":"person","name":"Komin Robert Patrick Jr.","position":1,"cik":"0001648800","reported_name":"Komin Robert Patrick Jr.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Financial Officer"}}],"security":"Class A Common Stock","published_at":"2026-10-01T02:35:38.000Z","date":"2026-09-29","kind":"sale","planned":true,"acquired":false,"shares":700,"price":207.83,"value":145481.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sale reported on this Form 4 represents shares sold by the Reporting Person pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on June 30, 2026"},{"field":"shares","element":"transactionShares","label":"F6","text":"The sale price reported in Column 4 of Table 1 represents the weighted average sale price of the shares sold ranging from $207.33 to $208.23, inclusive. Upon request by the staff of the Securities and Exchange commission, the Issuer, or a security holder of the Issuer, the Reporting Person will provide full information regarding the number of shares sold at each separate price."}],"balance_after":22200,"source":{"system":"sec-edgar","filing":"0001628280-26-064044","document":"wk-form4_1790807735.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/2021728/000162828026064044/wk-form4_1790807735.xml","form_type":"4"}},{"id":4634205,"issuer":{"id":3072,"kind":"organization","name":"Cerebras Systems Inc.","symbol":"CBRS"},"owners":[{"id":21300,"kind":"person","name":"Komin Robert Patrick Jr.","position":1,"cik":"0001648800","reported_name":"Komin Robert Patrick Jr.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Financial Officer"}}],"security":"Class A Common Stock","published_at":"2026-10-01T02:35:38.000Z","date":"2026-09-29","kind":"sale","planned":true,"acquired":false,"shares":2197,"price":208.98,"value":459129.06,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sale reported on this Form 4 represents shares sold by the Reporting Person pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on June 30, 2026"},{"field":"shares","element":"transactionShares","label":"F5","text":"The sale price reported in Column 4 of Table 1 represents the weighted average sale price of the shares sold ranging from $208.40 to $209.38, inclusive. Upon request by the staff of the Securities and Exchange commission, the Issuer, or a security holder of the Issuer, the Reporting Person will provide full information regarding the number of shares sold at each separate price."}],"balance_after":22900,"source":{"system":"sec-edgar","filing":"0001628280-26-064044","document":"wk-form4_1790807735.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/2021728/000162828026064044/wk-form4_1790807735.xml","form_type":"4"}},{"id":4634204,"issuer":{"id":3072,"kind":"organization","name":"Cerebras Systems Inc.","symbol":"CBRS"},"owners":[{"id":21300,"kind":"person","name":"Komin Robert Patrick Jr.","position":1,"cik":"0001648800","reported_name":"Komin Robert Patrick Jr.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Financial Officer"}}],"security":"Class A Common Stock","published_at":"2026-10-01T02:35:38.000Z","date":"2026-09-29","kind":"sale","planned":true,"acquired":false,"shares":2802,"price":210.02,"value":588476.04,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sale reported on this Form 4 represents shares sold by the Reporting Person pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on June 30, 2026"},{"field":"shares","element":"transactionShares","label":"F4","text":"The sale price reported in Column 4 of Table 1 represents the weighted average sale price of the shares sold ranging from $209.45 to $210.40, inclusive. Upon request by the staff of the Securities and Exchange commission, the Issuer, or a security holder of the Issuer, the Reporting Person will provide full information regarding the number of shares sold at each separate price."}],"balance_after":25097,"source":{"system":"sec-edgar","filing":"0001628280-26-064044","document":"wk-form4_1790807735.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/2021728/000162828026064044/wk-form4_1790807735.xml","form_type":"4"}},{"id":4634203,"issuer":{"id":3072,"kind":"organization","name":"Cerebras Systems Inc.","symbol":"CBRS"},"owners":[{"id":21300,"kind":"person","name":"Komin Robert Patrick Jr.","position":1,"cik":"0001648800","reported_name":"Komin Robert Patrick Jr.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Financial Officer"}}],"security":"Class A Common Stock","published_at":"2026-10-01T02:35:38.000Z","date":"2026-09-29","kind":"sale","planned":true,"acquired":false,"shares":2771,"price":211.03,"value":584764.13,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sale reported on this Form 4 represents shares sold by the Reporting Person pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on June 30, 2026"},{"field":"shares","element":"transactionShares","label":"F3","text":"The sale price reported in Column 4 of Table 1 represents the weighted average sale price of the shares sold ranging from $210.47 to $211.44, inclusive. Upon request by the staff of the Securities and Exchange commission, the Issuer, or a security holder of the Issuer, the Reporting Person will provide full information regarding the number of shares sold at each separate price."}],"balance_after":27899,"source":{"system":"sec-edgar","filing":"0001628280-26-064044","document":"wk-form4_1790807735.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/2021728/000162828026064044/wk-form4_1790807735.xml","form_type":"4"}},{"id":4634202,"issuer":{"id":3072,"kind":"organization","name":"Cerebras Systems Inc.","symbol":"CBRS"},"owners":[{"id":21300,"kind":"person","name":"Komin Robert Patrick Jr.","position":1,"cik":"0001648800","reported_name":"Komin Robert Patrick Jr.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Financial Officer"}}],"security":"Class A Common Stock","published_at":"2026-10-01T02:35:38.000Z","date":"2026-09-29","kind":"sale","planned":true,"acquired":false,"shares":1830,"price":211.79,"value":387575.7,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sale reported on this Form 4 represents shares sold by the Reporting Person pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on June 30, 2026"},{"field":"shares","element":"transactionShares","label":"F2","text":"The sale price reported in Column 4 of Table 1 represents the weighted average sale price of the shares sold ranging from $211.48 to $212.44, inclusive. Upon request by the staff of the Securities and Exchange commission, the Issuer, or a security holder of the Issuer, the Reporting Person will provide full information regarding the number of shares sold at each separate price."}],"balance_after":30670,"source":{"system":"sec-edgar","filing":"0001628280-26-064044","document":"wk-form4_1790807735.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/2021728/000162828026064044/wk-form4_1790807735.xml","form_type":"4"}},{"id":4634243,"issuer":{"id":3072,"kind":"organization","name":"Cerebras Systems Inc.","symbol":"CBRS"},"owners":[{"id":21298,"kind":"person","name":"Mallick Dhiraj","position":1,"cik":"0002039572","reported_name":"Mallick Dhiraj","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Operating Officer"}}],"security":"Class B Common 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Upon request by the staff of the Securities and Exchange commission, the Issuer, or a security holder of the Issuer, the Reporting Person will provide full information regarding the number of shares sold at each separate price."}],"balance_after":0,"source":{"system":"sec-edgar","filing":"0001628280-26-064042","document":"wk-form4_1790807666.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":20,"url":"https://www.sec.gov/Archives/edgar/data/2021728/000162828026064042/wk-form4_1790807666.xml","form_type":"4"}},{"id":4634239,"issuer":{"id":3072,"kind":"organization","name":"Cerebras Systems Inc.","symbol":"CBRS"},"owners":[{"id":21298,"kind":"person","name":"Mallick Dhiraj","position":1,"cik":"0002039572","reported_name":"Mallick Dhiraj","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Operating Officer"}}],"security":"Class A Common Stock","published_at":"2026-10-01T02:34:30.000Z","date":"2026-09-29","kind":"sale","planned":true,"acquired":false,"shares":18703,"price":195.56,"value":3657558.68,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F2","text":"The sale reported on this Form 4 represents shares sold by the Reporting Person pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on June 30, 2026"},{"field":"price","element":"transactionPricePerShare","label":"F20","text":"The sale price reported in Column 4 of Table 1 represents the weighted average sale price of the shares sold ranging from $195.27 to $195.96, inclusive. Upon request by the staff of the Securities and Exchange commission, the Issuer, or a security holder of the Issuer, the Reporting Person will provide full information regarding the number of shares sold at each separate price."}],"balance_after":68830,"source":{"system":"sec-edgar","filing":"0001628280-26-064042","document":"wk-form4_1790807666.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":19,"url":"https://www.sec.gov/Archives/edgar/data/2021728/000162828026064042/wk-form4_1790807666.xml","form_type":"4"}},{"id":4634238,"issuer":{"id":3072,"kind":"organization","name":"Cerebras Systems Inc.","symbol":"CBRS"},"owners":[{"id":21298,"kind":"person","name":"Mallick Dhiraj","position":1,"cik":"0002039572","reported_name":"Mallick Dhiraj","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Operating Officer"}}],"security":"Class A Common Stock","published_at":"2026-10-01T02:34:30.000Z","date":"2026-09-29","kind":"sale","planned":true,"acquired":false,"shares":6613,"price":197.05,"value":1303091.65,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F2","text":"The sale reported on this Form 4 represents shares sold by the Reporting Person pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on June 30, 2026"},{"field":"price","element":"transactionPricePerShare","label":"F19","text":"The sale price reported in Column 4 of Table 1 represents the weighted average sale price of the shares sold ranging from $196.41 to $197.40, inclusive. Upon request by the staff of the Securities and Exchange commission, the Issuer, or a security holder of the Issuer, the Reporting Person will provide full information regarding the number of shares sold at each separate price."}],"balance_after":87533,"source":{"system":"sec-edgar","filing":"0001628280-26-064042","document":"wk-form4_1790807666.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":18,"url":"https://www.sec.gov/Archives/edgar/data/2021728/000162828026064042/wk-form4_1790807666.xml","form_type":"4"}},{"id":4634237,"issuer":{"id":3072,"kind":"organization","name":"Cerebras Systems Inc.","symbol":"CBRS"},"owners":[{"id":21298,"kind":"person","name":"Mallick Dhiraj","position":1,"cik":"0002039572","reported_name":"Mallick Dhiraj","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Operating Officer"}}],"security":"Class A Common Stock","published_at":"2026-10-01T02:34:30.000Z","date":"2026-09-29","kind":"sale","planned":true,"acquired":false,"shares":5170,"price":197.85,"value":1022884.5,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F2","text":"The sale reported on this Form 4 represents shares sold by the Reporting Person pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on June 30, 2026"},{"field":"price","element":"transactionPricePerShare","label":"F18","text":"The sale price reported in Column 4 of Table 1 represents the weighted average sale price of the shares sold ranging from $197.41 to $198.40, inclusive. Upon request by the staff of the Securities and Exchange commission, the Issuer, or a security holder of the Issuer, the Reporting Person will provide full information regarding the number of shares sold at each separate price."}],"balance_after":94146,"source":{"system":"sec-edgar","filing":"0001628280-26-064042","document":"wk-form4_1790807666.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":17,"url":"https://www.sec.gov/Archives/edgar/data/2021728/000162828026064042/wk-form4_1790807666.xml","form_type":"4"}},{"id":4634236,"issuer":{"id":3072,"kind":"organization","name":"Cerebras Systems Inc.","symbol":"CBRS"},"owners":[{"id":21298,"kind":"person","name":"Mallick Dhiraj","position":1,"cik":"0002039572","reported_name":"Mallick Dhiraj","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Operating Officer"}}],"security":"Class A Common Stock","published_at":"2026-10-01T02:34:30.000Z","date":"2026-09-29","kind":"sale","planned":true,"acquired":false,"shares":17000,"price":198.96,"value":3382320.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F2","text":"The sale reported on this Form 4 represents shares sold by the Reporting Person pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on June 30, 2026"},{"field":"price","element":"transactionPricePerShare","label":"F17","text":"The sale price reported in Column 4 of Table 1 represents the weighted average sale price of the shares sold ranging from $198.42 to $199.41, inclusive. Upon request by the staff of the Securities and Exchange commission, the Issuer, or a security holder of the Issuer, the Reporting Person will provide full information regarding the number of shares sold at each separate price."}],"balance_after":99316,"source":{"system":"sec-edgar","filing":"0001628280-26-064042","document":"wk-form4_1790807666.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":16,"url":"https://www.sec.gov/Archives/edgar/data/2021728/000162828026064042/wk-form4_1790807666.xml","form_type":"4"}},{"id":4634235,"issuer":{"id":3072,"kind":"organization","name":"Cerebras Systems Inc.","symbol":"CBRS"},"owners":[{"id":21298,"kind":"person","name":"Mallick Dhiraj","position":1,"cik":"0002039572","reported_name":"Mallick Dhiraj","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Operating Officer"}}],"security":"Class A Common Stock","published_at":"2026-10-01T02:34:30.000Z","date":"2026-09-29","kind":"sale","planned":true,"acquired":false,"shares":17848,"price":199.89,"value":3567636.72,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F2","text":"The sale reported on this Form 4 represents shares sold by the Reporting Person pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on June 30, 2026"},{"field":"price","element":"transactionPricePerShare","label":"F16","text":"The sale price reported in Column 4 of Table 1 represents the weighted average sale price of the shares sold ranging from $199.42 to $200.37, inclusive. Upon request by the staff of the Securities and Exchange commission, the Issuer, or a security holder of the Issuer, the Reporting Person will provide full information regarding the number of shares sold at each separate price."}],"balance_after":116316,"source":{"system":"sec-edgar","filing":"0001628280-26-064042","document":"wk-form4_1790807666.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":15,"url":"https://www.sec.gov/Archives/edgar/data/2021728/000162828026064042/wk-form4_1790807666.xml","form_type":"4"}},{"id":4634234,"issuer":{"id":3072,"kind":"organization","name":"Cerebras Systems Inc.","symbol":"CBRS"},"owners":[{"id":21298,"kind":"person","name":"Mallick Dhiraj","position":1,"cik":"0002039572","reported_name":"Mallick Dhiraj","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Operating Officer"}}],"security":"Class A Common Stock","published_at":"2026-10-01T02:34:30.000Z","date":"2026-09-29","kind":"sale","planned":true,"acquired":false,"shares":22915,"price":200.96,"value":4604998.4,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F2","text":"The sale reported on this Form 4 represents shares sold by the Reporting Person pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on June 30, 2026"},{"field":"price","element":"transactionPricePerShare","label":"F15","text":"The sale price reported in Column 4 of Table 1 represents the weighted average sale price of the shares sold ranging from $200.42 to $201.41, inclusive. 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on this Form 4 represents shares sold by the Reporting Person pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on May 20, 2026."},{"field":"price","element":"transactionPricePerShare","label":"F12","text":"The sale price reported in Column 4 of Table 1 represents the weighted average sale price of the shares sold ranging from $203.86 to $204.83, inclusive. 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Upon request by the staff of the Securities and Exchange commission, the Issuer, or a security holder of the Issuer, the Reporting Person will provide full information regarding the number of shares sold at each separate price."}],"balance_after":317669,"source":{"system":"sec-edgar","filing":"0001628280-26-063713","document":"wk-form4_1790625937.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":9,"url":"https://www.sec.gov/Archives/edgar/data/2132472/000162828026063713/wk-form4_1790625937.xml","form_type":"4"}},{"id":4627501,"issuer":{"id":3072,"kind":"organization","name":"Cerebras Systems Inc.","symbol":"CBRS"},"owners":[{"id":20925,"kind":"person","name":"Lie Sean","position":1,"cik":"0002132472","reported_name":"Lie Sean","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Technology Officer"}}],"security":"Class A Common Stock","published_at":"2026-09-28T20:05:41.000Z","date":"2026-09-25","kind":"sale","planned":true,"acquired":false,"shares":6869,"price":207.54,"value":1425592.26,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F3","text":"The sale reported on this Form 4 represents shares sold by the Reporting Person pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on May 20, 2026."},{"field":"price","element":"transactionPricePerShare","label":"F9","text":"The sale price reported in Column 4 of Table 1 represents the weighted average sale price of the shares sold ranging from $206.96 to $207.95, inclusive. Upon request by the staff of the Securities and Exchange commission, the Issuer, or a security holder of the Issuer, the Reporting Person will provide full information regarding the number of shares sold at each separate price."}],"balance_after":331445,"source":{"system":"sec-edgar","filing":"0001628280-26-063713","document":"wk-form4_1790625937.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":8,"url":"https://www.sec.gov/Archives/edgar/data/2132472/000162828026063713/wk-form4_1790625937.xml","form_type":"4"}},{"id":4627500,"issuer":{"id":3072,"kind":"organization","name":"Cerebras Systems Inc.","symbol":"CBRS"},"owners":[{"id":20925,"kind":"person","name":"Lie Sean","position":1,"cik":"0002132472","reported_name":"Lie Sean","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Technology Officer"}}],"security":"Class A Common Stock","published_at":"2026-09-28T20:05:41.000Z","date":"2026-09-25","kind":"sale","planned":true,"acquired":false,"shares":21022,"price":208.41,"value":4381195.02,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F3","text":"The sale reported on this Form 4 represents shares sold by the Reporting Person pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on May 20, 2026."},{"field":"price","element":"transactionPricePerShare","label":"F8","text":"The sale price reported in Column 4 of Table 1 represents the weighted average sale price of the shares sold ranging from $207.97 to $208.95, inclusive. Upon request by the staff of the Securities and Exchange commission, the Issuer, or a security holder of the Issuer, the Reporting Person will provide full information regarding the number of shares sold at each separate price."}],"balance_after":338314,"source":{"system":"sec-edgar","filing":"0001628280-26-063713","document":"wk-form4_1790625937.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":7,"url":"https://www.sec.gov/Archives/edgar/data/2132472/000162828026063713/wk-form4_1790625937.xml","form_type":"4"}},{"id":4627499,"issuer":{"id":3072,"kind":"organization","name":"Cerebras Systems Inc.","symbol":"CBRS"},"owners":[{"id":20925,"kind":"person","name":"Lie Sean","position":1,"cik":"0002132472","reported_name":"Lie Sean","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Technology Officer"}}],"security":"Class A Common Stock","published_at":"2026-09-28T20:05:41.000Z","date":"2026-09-25","kind":"sale","planned":true,"acquired":false,"shares":29991,"price":209.53,"value":6284014.23,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F3","text":"The sale reported on this Form 4 represents shares sold by the Reporting Person pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on May 20, 2026."},{"field":"price","element":"transactionPricePerShare","label":"F7","text":"The sale price reported in Column 4 of Table 1 represents the weighted average sale price of the shares sold ranging from $208.97 to $209.96, inclusive. Upon request by the staff of the Securities and Exchange commission, the Issuer, or a security holder of the Issuer, the Reporting Person will provide full information regarding the number of shares sold at each separate price."}],"balance_after":359336,"source":{"system":"sec-edgar","filing":"0001628280-26-063713","document":"wk-form4_1790625937.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":6,"url":"https://www.sec.gov/Archives/edgar/data/2132472/000162828026063713/wk-form4_1790625937.xml","form_type":"4"}},{"id":4627498,"issuer":{"id":3072,"kind":"organization","name":"Cerebras Systems Inc.","symbol":"CBRS"},"owners":[{"id":20925,"kind":"person","name":"Lie Sean","position":1,"cik":"0002132472","reported_name":"Lie Sean","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Technology Officer"}}],"security":"Class A Common Stock","published_at":"2026-09-28T20:05:41.000Z","date":"2026-09-25","kind":"sale","planned":true,"acquired":false,"shares":30565,"price":210.45,"value":6432404.25,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F3","text":"The sale reported on this Form 4 represents shares sold by the Reporting Person pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on May 20, 2026."},{"field":"price","element":"transactionPricePerShare","label":"F6","text":"The sale price reported in Column 4 of Table 1 represents the weighted average sale price of the shares sold ranging from $209.97 to $210.96, inclusive. Upon request by the staff of the Securities and Exchange commission, the Issuer, or a security holder of the Issuer, the Reporting Person will provide full information regarding the number of shares sold at each separate price."}],"balance_after":389327,"source":{"system":"sec-edgar","filing":"0001628280-26-063713","document":"wk-form4_1790625937.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/2132472/000162828026063713/wk-form4_1790625937.xml","form_type":"4"}},{"id":4627497,"issuer":{"id":3072,"kind":"organization","name":"Cerebras Systems Inc.","symbol":"CBRS"},"owners":[{"id":20925,"kind":"person","name":"Lie Sean","position":1,"cik":"0002132472","reported_name":"Lie Sean","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Technology Officer"}}],"security":"Class A Common Stock","published_at":"2026-09-28T20:05:41.000Z","date":"2026-09-25","kind":"sale","planned":true,"acquired":false,"shares":9177,"price":211.32,"value":1939283.64,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F3","text":"The sale reported on this Form 4 represents shares sold by the Reporting Person pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on May 20, 2026."},{"field":"price","element":"transactionPricePerShare","label":"F5","text":"The sale price reported in Column 4 of Table 1 represents the weighted average sale price of the shares sold ranging from $210.97 to $211.95, inclusive. Upon request by the staff of the Securities and Exchange commission, the Issuer, or a security holder of the Issuer, the Reporting Person will provide full information regarding the number of shares sold at each separate price."}],"balance_after":419892,"source":{"system":"sec-edgar","filing":"0001628280-26-063713","document":"wk-form4_1790625937.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/2132472/000162828026063713/wk-form4_1790625937.xml","form_type":"4"}},{"id":4627496,"issuer":{"id":3072,"kind":"organization","name":"Cerebras Systems Inc.","symbol":"CBRS"},"owners":[{"id":20925,"kind":"person","name":"Lie Sean","position":1,"cik":"0002132472","reported_name":"Lie Sean","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Technology Officer"}}],"security":"Class A Common Stock","published_at":"2026-09-28T20:05:41.000Z","date":"2026-09-25","kind":"sale","planned":true,"acquired":false,"shares":500,"price":212.14,"value":106070.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F3","text":"The sale reported on this Form 4 represents shares sold by the Reporting Person pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on May 20, 2026."},{"field":"price","element":"transactionPricePerShare","label":"F4","text":"The sale price reported in Column 4 of Table 1 represents the weighted average sale price of the shares sold ranging from $211.97 to $212.31, inclusive. Upon request by the staff of the Securities and Exchange commission, the Issuer, or a security holder of the Issuer, the Reporting Person will provide full information regarding the number of shares sold at each separate price."}],"balance_after":429069,"source":{"system":"sec-edgar","filing":"0001628280-26-063713","document":"wk-form4_1790625937.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/2132472/000162828026063713/wk-form4_1790625937.xml","form_type":"4"}},{"id":4627495,"issuer":{"id":3072,"kind":"organization","name":"Cerebras Systems Inc.","symbol":"CBRS"},"owners":[{"id":20925,"kind":"person","name":"Lie Sean","position":1,"cik":"0002132472","reported_name":"Lie Sean","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Technology Officer"}}],"security":"Class A Common 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Person."}],"balance_after":309603,"source":{"system":"sec-edgar","filing":"0001193125-26-402911","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/2021728/000119312526402911/ownership.xml","form_type":"4"}},{"id":4627032,"issuer":{"id":3072,"kind":"organization","name":"Cerebras Systems Inc.","symbol":"CBRS"},"owners":[{"id":10011,"kind":"person","name":"Susan Lior","position":1,"cik":"0001832895","reported_name":"Susan Lior","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Class A Common Stock","published_at":"2026-09-25T20:34:04.000Z","date":"2026-09-23","kind":"other","planned":false,"acquired":true,"shares":25757,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F3","text":"The shares were obtained pursuant to a pro-rata, in-kind distribution from the Eclipse Entities, for no 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common stock held by Eclipse Continuity Fund I, L.P. 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reported on this Form 4 represents shares sold by the Reporting Person pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on May 20, 2026."},{"field":"price","element":"transactionPricePerShare","label":"F17","text":"The sale price reported in Column 4 of Table 1 represents the weighted average sale price of the shares sold ranging from $215.53 to $216.06, inclusive. Upon request by the staff of the Securities and Exchange commission, the Issuer, or a security holder of the Issuer, the Reporting Person will provide full information regarding the number of shares sold at each separate price."}],"balance_after":16953,"source":{"system":"sec-edgar","filing":"0001628280-26-060987","document":"wk-form4_1788913072.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":16,"url":"https://www.sec.gov/Archives/edgar/data/2039573/000162828026060987/wk-form4_1788913072.xml","form_type":"4"}},{"id":3694123,"issuer":{"id":3072,"kind":"organization","name":"Cerebras Systems Inc.","symbol":"CBRS"},"owners":[{"id":19979,"kind":"person","name":"Feldman Andrew D.","position":1,"cik":"0002039573","reported_name":"Feldman Andrew D.","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CEO, President"}}],"security":"Class A Common Stock","published_at":"2026-09-09T00:17:56.000Z","date":"2026-09-04","kind":"sale","planned":false,"acquired":false,"shares":1400,"price":214.98,"value":300972.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F2","text":"The sale reported on this Form 4 represents shares sold by the Reporting Person pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on May 20, 2026."},{"field":"price","element":"transactionPricePerShare","label":"F16","text":"The sale price reported in Column 4 of Table 1 represents the weighted average sale price of the shares sold ranging from $214.52 to $215.33, inclusive. Upon request by the staff of the Securities and Exchange commission, the Issuer, or a security holder of the Issuer, the Reporting Person will provide full information regarding the number of shares sold at each separate price."}],"balance_after":17553,"source":{"system":"sec-edgar","filing":"0001628280-26-060987","document":"wk-form4_1788913072.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":15,"url":"https://www.sec.gov/Archives/edgar/data/2039573/000162828026060987/wk-form4_1788913072.xml","form_type":"4"}},{"id":3694122,"issuer":{"id":3072,"kind":"organization","name":"Cerebras Systems Inc.","symbol":"CBRS"},"owners":[{"id":19979,"kind":"person","name":"Feldman Andrew D.","position":1,"cik":"0002039573","reported_name":"Feldman Andrew D.","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CEO, President"}}],"security":"Class A Common Stock","published_at":"2026-09-09T00:17:56.000Z","date":"2026-09-04","kind":"sale","planned":false,"acquired":false,"shares":3897,"price":213.95,"value":833763.15,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F2","text":"The sale reported on this Form 4 represents shares sold by the Reporting Person pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on May 20, 2026."},{"field":"price","element":"transactionPricePerShare","label":"F15","text":"The sale price reported in Column 4 of Table 1 represents the weighted average sale price of the shares sold ranging from $213.50 to $214.48, inclusive. Upon request by the staff of the Securities and Exchange commission, the Issuer, or a security holder of the Issuer, the Reporting Person will provide full information regarding the number of shares sold at each separate price."}],"balance_after":18953,"source":{"system":"sec-edgar","filing":"0001628280-26-060987","document":"wk-form4_1788913072.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":14,"url":"https://www.sec.gov/Archives/edgar/data/2039573/000162828026060987/wk-form4_1788913072.xml","form_type":"4"}},{"id":3694121,"issuer":{"id":3072,"kind":"organization","name":"Cerebras Systems Inc.","symbol":"CBRS"},"owners":[{"id":19979,"kind":"person","name":"Feldman Andrew D.","position":1,"cik":"0002039573","reported_name":"Feldman Andrew D.","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CEO, President"}}],"security":"Class A Common Stock","published_at":"2026-09-09T00:17:56.000Z","date":"2026-09-04","kind":"sale","planned":false,"acquired":false,"shares":3324,"price":213.04,"value":708144.96,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F2","text":"The sale reported on this Form 4 represents shares sold by the Reporting Person pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on May 20, 2026."},{"field":"price","element":"transactionPricePerShare","label":"F14","text":"The sale price reported in Column 4 of Table 1 represents the weighted average sale price of the shares sold ranging from $212.50 to $213.49, inclusive. Upon request by the staff of the Securities and Exchange commission, the Issuer, or a security holder of the Issuer, the Reporting Person will provide full information regarding the number of shares sold at each separate price."}],"balance_after":22850,"source":{"system":"sec-edgar","filing":"0001628280-26-060987","document":"wk-form4_1788913072.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":13,"url":"https://www.sec.gov/Archives/edgar/data/2039573/000162828026060987/wk-form4_1788913072.xml","form_type":"4"}},{"id":3694120,"issuer":{"id":3072,"kind":"organization","name":"Cerebras Systems Inc.","symbol":"CBRS"},"owners":[{"id":19979,"kind":"person","name":"Feldman Andrew D.","position":1,"cik":"0002039573","reported_name":"Feldman Andrew D.","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CEO, President"}}],"security":"Class A Common Stock","published_at":"2026-09-09T00:17:56.000Z","date":"2026-09-04","kind":"sale","planned":false,"acquired":false,"shares":7439,"price":211.85,"value":1575952.15,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F2","text":"The sale reported on this Form 4 represents shares sold by the Reporting Person pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on May 20, 2026."},{"field":"price","element":"transactionPricePerShare","label":"F13","text":"The sale price reported in Column 4 of Table 1 represents the weighted average sale price of the shares sold ranging from $211.42 to $212.39, inclusive. Upon request by the staff of the Securities and Exchange commission, the Issuer, or a security holder of the Issuer, the Reporting Person will provide full information regarding the number of shares sold at each separate price."}],"balance_after":26174,"source":{"system":"sec-edgar","filing":"0001628280-26-060987","document":"wk-form4_1788913072.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":12,"url":"https://www.sec.gov/Archives/edgar/data/2039573/000162828026060987/wk-form4_1788913072.xml","form_type":"4"}},{"id":3694119,"issuer":{"id":3072,"kind":"organization","name":"Cerebras Systems Inc.","symbol":"CBRS"},"owners":[{"id":19979,"kind":"person","name":"Feldman Andrew D.","position":1,"cik":"0002039573","reported_name":"Feldman Andrew D.","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CEO, President"}}],"security":"Class A Common Stock","published_at":"2026-09-09T00:17:56.000Z","date":"2026-09-04","kind":"sale","planned":false,"acquired":false,"shares":6153,"price":210.91,"value":1297729.23,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F2","text":"The sale reported on this Form 4 represents shares sold by the Reporting Person pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on May 20, 2026."},{"field":"price","element":"transactionPricePerShare","label":"F12","text":"The sale price reported in Column 4 of Table 1 represents the weighted average sale price of the shares sold ranging from $210.42 to $211.42, inclusive. Upon request by the staff of the Securities and Exchange commission, the Issuer, or a security holder of the Issuer, the Reporting Person will provide full information regarding the number of shares sold at each separate price."}],"balance_after":33613,"source":{"system":"sec-edgar","filing":"0001628280-26-060987","document":"wk-form4_1788913072.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":11,"url":"https://www.sec.gov/Archives/edgar/data/2039573/000162828026060987/wk-form4_1788913072.xml","form_type":"4"}},{"id":3694118,"issuer":{"id":3072,"kind":"organization","name":"Cerebras Systems Inc.","symbol":"CBRS"},"owners":[{"id":19979,"kind":"person","name":"Feldman Andrew D.","position":1,"cik":"0002039573","reported_name":"Feldman Andrew D.","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CEO, President"}}],"security":"Class A Common Stock","published_at":"2026-09-09T00:17:56.000Z","date":"2026-09-04","kind":"sale","planned":false,"acquired":false,"shares":6721,"price":209.99,"value":1411342.79,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F2","text":"The sale reported on this Form 4 represents shares sold by the Reporting Person pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on May 20, 2026."},{"field":"price","element":"transactionPricePerShare","label":"F11","text":"The sale price reported in Column 4 of Table 1 represents the weighted average sale price of the shares sold ranging from $209.41 to $210.34, inclusive. Upon request by the staff of the Securities and Exchange commission, the Issuer, or a security holder of the Issuer, the Reporting Person will provide full information regarding the number of shares sold at each separate price."}],"balance_after":39766,"source":{"system":"sec-edgar","filing":"0001628280-26-060987","document":"wk-form4_1788913072.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":10,"url":"https://www.sec.gov/Archives/edgar/data/2039573/000162828026060987/wk-form4_1788913072.xml","form_type":"4"}},{"id":3694117,"issuer":{"id":3072,"kind":"organization","name":"Cerebras Systems Inc.","symbol":"CBRS"},"owners":[{"id":19979,"kind":"person","name":"Feldman Andrew D.","position":1,"cik":"0002039573","reported_name":"Feldman Andrew D.","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CEO, President"}}],"security":"Class A Common Stock","published_at":"2026-09-09T00:17:56.000Z","date":"2026-09-04","kind":"sale","planned":false,"acquired":false,"shares":1707,"price":208.84,"value":356489.88,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F2","text":"The sale reported on this Form 4 represents shares sold by the Reporting Person pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on May 20, 2026."},{"field":"price","element":"transactionPricePerShare","label":"F10","text":"The sale price reported in Column 4 of Table 1 represents the weighted average sale price of the shares sold ranging from $208.39 to $209.38, inclusive. Upon request by the staff of the Securities and Exchange commission, the Issuer, or a security holder of the Issuer, the Reporting Person will provide full information regarding the number of shares sold at each separate price."}],"balance_after":46487,"source":{"system":"sec-edgar","filing":"0001628280-26-060987","document":"wk-form4_1788913072.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":9,"url":"https://www.sec.gov/Archives/edgar/data/2039573/000162828026060987/wk-form4_1788913072.xml","form_type":"4"}},{"id":3694116,"issuer":{"id":3072,"kind":"organization","name":"Cerebras Systems Inc.","symbol":"CBRS"},"owners":[{"id":19979,"kind":"person","name":"Feldman Andrew D.","position":1,"cik":"0002039573","reported_name":"Feldman Andrew D.","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CEO, President"}}],"security":"Class A Common Stock","published_at":"2026-09-09T00:17:56.000Z","date":"2026-09-04","kind":"sale","planned":false,"acquired":false,"shares":1500,"price":207.8,"value":311700.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F2","text":"The sale reported on this Form 4 represents shares sold by the Reporting Person pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on May 20, 2026."},{"field":"price","element":"transactionPricePerShare","label":"F9","text":"The sale price reported in Column 4 of Table 1 represents the weighted average sale price of the shares sold ranging from $207.21 to $208.19, inclusive. Upon request by the staff of the Securities and Exchange commission, the Issuer, or a security holder of the Issuer, the Reporting Person will provide full information regarding the number of shares sold at each separate price."}],"balance_after":48194,"source":{"system":"sec-edgar","filing":"0001628280-26-060987","document":"wk-form4_1788913072.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":8,"url":"https://www.sec.gov/Archives/edgar/data/2039573/000162828026060987/wk-form4_1788913072.xml","form_type":"4"}},{"id":3694115,"issuer":{"id":3072,"kind":"organization","name":"Cerebras Systems Inc.","symbol":"CBRS"},"owners":[{"id":19979,"kind":"person","name":"Feldman Andrew D.","position":1,"cik":"0002039573","reported_name":"Feldman Andrew D.","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CEO, President"}}],"security":"Class A Common Stock","published_at":"2026-09-09T00:17:56.000Z","date":"2026-09-04","kind":"sale","planned":false,"acquired":false,"shares":800,"price":206.3,"value":165040.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F2","text":"The sale reported on this Form 4 represents shares sold by the Reporting Person pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on May 20, 2026."},{"field":"price","element":"transactionPricePerShare","label":"F8","text":"The sale price reported in Column 4 of Table 1 represents the weighted average sale price of the shares sold ranging from $206.02 to $206.53, inclusive. Upon request by the staff of the Securities and Exchange commission, the Issuer, or a security holder of the Issuer, the Reporting Person will provide full information regarding the number of shares sold at each separate price."}],"balance_after":49694,"source":{"system":"sec-edgar","filing":"0001628280-26-060987","document":"wk-form4_1788913072.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":7,"url":"https://www.sec.gov/Archives/edgar/data/2039573/000162828026060987/wk-form4_1788913072.xml","form_type":"4"}},{"id":3694114,"issuer":{"id":3072,"kind":"organization","name":"Cerebras Systems Inc.","symbol":"CBRS"},"owners":[{"id":19979,"kind":"person","name":"Feldman Andrew D.","position":1,"cik":"0002039573","reported_name":"Feldman Andrew D.","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CEO, President"}}],"security":"Class A Common Stock","published_at":"2026-09-09T00:17:56.000Z","date":"2026-09-04","kind":"sale","planned":false,"acquired":false,"shares":1200,"price":204.06,"value":244872.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F2","text":"The sale reported on this Form 4 represents shares sold by the Reporting Person pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on May 20, 2026."},{"field":"price","element":"transactionPricePerShare","label":"F7","text":"The sale price reported in Column 4 of Table 1 represents the weighted average sale price of the shares sold ranging from $203.65 to $204.62, inclusive. Upon request by the staff of the Securities and Exchange commission, the Issuer, or a security holder of the Issuer, the Reporting Person will provide full information regarding the number of shares sold at each separate price."}],"balance_after":50494,"source":{"system":"sec-edgar","filing":"0001628280-26-060987","document":"wk-form4_1788913072.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":6,"url":"https://www.sec.gov/Archives/edgar/data/2039573/000162828026060987/wk-form4_1788913072.xml","form_type":"4"}},{"id":3694113,"issuer":{"id":3072,"kind":"organization","name":"Cerebras Systems Inc.","symbol":"CBRS"},"owners":[{"id":19979,"kind":"person","name":"Feldman Andrew D.","position":1,"cik":"0002039573","reported_name":"Feldman Andrew D.","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CEO, President"}}],"security":"Class A Common Stock","published_at":"2026-09-09T00:17:56.000Z","date":"2026-09-04","kind":"sale","planned":false,"acquired":false,"shares":900,"price":202.97,"value":182673.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F2","text":"The sale reported on this Form 4 represents shares sold by the Reporting Person pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on May 20, 2026."},{"field":"price","element":"transactionPricePerShare","label":"F6","text":"The sale price reported in Column 4 of Table 1 represents the weighted average sale price of the shares sold ranging from $202.59 to $203.43, inclusive. Upon request by the staff of the Securities and Exchange commission, the Issuer, or a security holder of the Issuer, the Reporting Person will provide full information regarding the number of shares sold at each separate price."}],"balance_after":51694,"source":{"system":"sec-edgar","filing":"0001628280-26-060987","document":"wk-form4_1788913072.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/2039573/000162828026060987/wk-form4_1788913072.xml","form_type":"4"}},{"id":3694112,"issuer":{"id":3072,"kind":"organization","name":"Cerebras Systems Inc.","symbol":"CBRS"},"owners":[{"id":19979,"kind":"person","name":"Feldman Andrew D.","position":1,"cik":"0002039573","reported_name":"Feldman Andrew D.","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CEO, President"}}],"security":"Class A Common Stock","published_at":"2026-09-09T00:17:56.000Z","date":"2026-09-04","kind":"sale","planned":false,"acquired":false,"shares":300,"price":201.75,"value":60525.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F2","text":"The sale reported on this Form 4 represents shares sold by the Reporting Person pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on May 20, 2026."},{"field":"price","element":"transactionPricePerShare","label":"F5","text":"The sale price reported in Column 4 of Table 1 represents the weighted average sale price of the shares sold ranging from $201.45 to $202.11, inclusive. Upon request by the staff of the Securities and Exchange commission, the Issuer, or a security holder of the Issuer, the Reporting Person will provide full information regarding the number of shares sold at each separate price."}],"balance_after":52594,"source":{"system":"sec-edgar","filing":"0001628280-26-060987","document":"wk-form4_1788913072.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/2039573/000162828026060987/wk-form4_1788913072.xml","form_type":"4"}},{"id":3694111,"issuer":{"id":3072,"kind":"organization","name":"Cerebras Systems Inc.","symbol":"CBRS"},"owners":[{"id":19979,"kind":"person","name":"Feldman Andrew D.","position":1,"cik":"0002039573","reported_name":"Feldman Andrew D.","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CEO, President"}}],"security":"Class A Common Stock","published_at":"2026-09-09T00:17:56.000Z","date":"2026-09-04","kind":"sale","planned":false,"acquired":false,"shares":300,"price":200.79,"value":60237.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F2","text":"The sale reported on this Form 4 represents shares sold by the Reporting Person pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on May 20, 2026."},{"field":"price","element":"transactionPricePerShare","label":"F4","text":"The sale price reported in Column 4 of Table 1 represents the weighted average sale price of the shares sold ranging from $200.16 to $201.12, inclusive. Upon request by the staff of the Securities and Exchange commission, the Issuer, or a security holder of the Issuer, the Reporting Person will provide full information regarding the number of shares sold at each separate price."}],"balance_after":52894,"source":{"system":"sec-edgar","filing":"0001628280-26-060987","document":"wk-form4_1788913072.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/2039573/000162828026060987/wk-form4_1788913072.xml","form_type":"4"}},{"id":3694110,"issuer":{"id":3072,"kind":"organization","name":"Cerebras Systems Inc.","symbol":"CBRS"},"owners":[{"id":19979,"kind":"person","name":"Feldman Andrew D.","position":1,"cik":"0002039573","reported_name":"Feldman Andrew D.","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CEO, President"}}],"security":"Class A Common Stock","published_at":"2026-09-09T00:17:56.000Z","date":"2026-09-04","kind":"sale","planned":false,"acquired":false,"shares":1100,"price":199.18,"value":219098.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F2","text":"The sale reported on this Form 4 represents shares sold by the Reporting Person pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on May 20, 2026."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"The sale price reported in Column 4 of Table 1 represents the weighted average sale price of the shares sold ranging from $199.00 to $199.87, inclusive. Upon request by the staff of the Securities and Exchange commission, the Issuer, or a security holder of the Issuer, the Reporting Person will provide full information regarding the number of shares sold at each separate price."}],"balance_after":53194,"source":{"system":"sec-edgar","filing":"0001628280-26-060987","document":"wk-form4_1788913072.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/2039573/000162828026060987/wk-form4_1788913072.xml","form_type":"4"}},{"id":3694109,"issuer":{"id":3072,"kind":"organization","name":"Cerebras Systems Inc.","symbol":"CBRS"},"owners":[{"id":19979,"kind":"person","name":"Feldman Andrew D.","position":1,"cik":"0002039573","reported_name":"Feldman Andrew D.","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CEO, President"}}],"security":"Class A Common Stock","published_at":"2026-09-09T00:17:56.000Z","date":"2026-09-04","kind":"exercise","planned":false,"acquired":true,"shares":37441,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"The Class B Common Stock is convertible into an equal number of Class A Common Stock at any time, at the Reporting Person's election, and has no expiration date."},{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The Class B Common Stock is convertible into an equal number of Class A Common Stock at any time, at the Reporting Person's election, and has no expiration date."}],"balance_after":54294,"source":{"system":"sec-edgar","filing":"0001628280-26-060987","document":"wk-form4_1788913072.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/2039573/000162828026060987/wk-form4_1788913072.xml","form_type":"4"}},{"id":4332,"issuer":{"id":3072,"kind":"organization","name":"Cerebras Systems Inc.","symbol":"CBRS"},"owners":[{"id":10011,"kind":"person","name":"Susan Lior","position":1,"cik":"0001832895","reported_name":"Susan Lior","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Class A Common Stock","published_at":"2026-09-04T20:05:07.000Z","date":"2026-09-02","kind":"other","planned":false,"acquired":true,"shares":47470,"ownership":{"direct":false,"nature":"See footnote"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F3","text":"The shares were obtained pursuant to a pro-rata, in-kind distribution from the Eclipse Entities, for no additional consideration."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"The shares were obtained pursuant to a pro-rata, in-kind distribution from the Eclipse Entities, for no additional consideration."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F4","text":"The shares are held directly by an estate-planning vehicle which is controlled by the Reporting Person."}],"balance_after":255041,"source":{"system":"sec-edgar","filing":"0001193125-26-383631","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/2021728/000119312526383631/ownership.xml","form_type":"4"}}],"next_cursor":"2026-09-04T20:05:07.000000Z,4332"}