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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":56876,"source":{"system":"sec-edgar","filing":"0001628280-26-058961","document":"wk-form4_1787696023.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":7,"url":"https://www.sec.gov/Archives/edgar/data/2021728/000162828026058961/wk-form4_1787696023.xml","form_type":"4"}},{"id":676317,"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":"2026-08-25T22:13:47.000Z","date":"2026-08-21","kind":"sale","planned":false,"acquired":false,"shares":66237,"price":199.33,"value":13203021.21,"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 $198.75 to $199.74, 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":90451,"source":{"system":"sec-edgar","filing":"0001628280-26-058961","document":"wk-form4_1787696023.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":6,"url":"https://www.sec.gov/Archives/edgar/data/2021728/000162828026058961/wk-form4_1787696023.xml","form_type":"4"}},{"id":676316,"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":"2026-08-25T22:13:47.000Z","date":"2026-08-21","kind":"sale","planned":false,"acquired":false,"shares":32864,"price":198.18,"value":6512987.52,"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 $197.75 to $198.74, 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":156688,"source":{"system":"sec-edgar","filing":"0001628280-26-058961","document":"wk-form4_1787696023.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/2021728/000162828026058961/wk-form4_1787696023.xml","form_type":"4"}},{"id":676315,"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":"2026-08-25T22:13:47.000Z","date":"2026-08-21","kind":"sale","planned":false,"acquired":false,"shares":21307,"price":197.45,"value":4207067.15,"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 $196.75 to $197.74, 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":189552,"source":{"system":"sec-edgar","filing":"0001628280-26-058961","document":"wk-form4_1787696023.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/2021728/000162828026058961/wk-form4_1787696023.xml","form_type":"4"}},{"id":676314,"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":"2026-08-25T22:13:47.000Z","date":"2026-08-21","kind":"sale","planned":false,"acquired":false,"shares":43553,"price":196.2,"value":8545098.6,"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 $195.75 to $196.74, 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":210859,"source":{"system":"sec-edgar","filing":"0001628280-26-058961","document":"wk-form4_1787696023.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/2021728/000162828026058961/wk-form4_1787696023.xml","form_type":"4"}},{"id":676313,"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 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shares of the Issuer's common stock to a donor-advised fund sponsored by a charitable organization under Section 501(c)(3) of the Internal Revenue Code."},{"field":"shares","element":"transactionShares","label":"F2","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":"F2","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 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The sale was to satisfy tax withholding obligations to be funded by a \"sell to cover\" transaction and does not represent a discretionary transaction by the Reporting Person. The Reporting Person is subject to a lock-up agreement that that was entered into with underwriters in connection with the Issuer's initial public offering and expires on the earlier of (i) 6:00 a.m. Eastern Time on the second trading day following the Issuer's release of earnings for the quarter ending September 30, 2026 or (ii) November 9, 2026.  The sale of shares is a permissible exemption under the terms of the lock-up agreement."},{"field":"price","element":"transactionPricePerShare","label":"F26","text":"The sale price reported in Column 4 of Table 1 represents the weighted average sale price of the shares sold ranging from $240.00 to $240.01, 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":66853,"source":{"system":"sec-edgar","filing":"0001628280-26-058119","document":"wk-form4_1787188343.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":28,"url":"https://www.sec.gov/Archives/edgar/data/2021728/000162828026058119/wk-form4_1787188343.xml","form_type":"4"}},{"id":681731,"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":"2026-08-20T01:12:26.000Z","date":"2026-08-18","kind":"sale","planned":false,"acquired":false,"shares":12,"price":238.78,"value":2865.36,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F3","text":"These shares were sold by the Reporting Person to cover tax withholding obligations in connection with the settlement of restricted stock units, resulting in the automatic conversion of the shares into Class A Common Stock immediately prior to execution of the sale. The sale was to satisfy tax withholding obligations to be funded by a \"sell to cover\" transaction and does not represent a discretionary transaction by the Reporting Person. The Reporting Person is subject to a lock-up agreement that that was entered into with underwriters in connection with the Issuer's initial public offering and expires on the earlier of (i) 6:00 a.m. Eastern Time on the second trading day following the Issuer's release of earnings for the quarter ending September 30, 2026 or (ii) November 9, 2026.  The sale of shares is a permissible exemption under the terms of the lock-up agreement."}],"balance_after":67823,"source":{"system":"sec-edgar","filing":"0001628280-26-058119","document":"wk-form4_1787188343.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":27,"url":"https://www.sec.gov/Archives/edgar/data/2021728/000162828026058119/wk-form4_1787188343.xml","form_type":"4"}},{"id":681730,"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":"2026-08-20T01:12:26.000Z","date":"2026-08-18","kind":"sale","planned":false,"acquired":false,"shares":14,"price":237.23,"value":3321.22,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F3","text":"These shares were sold by the Reporting Person to cover tax withholding obligations in connection with the settlement of restricted stock units, resulting in the automatic conversion of the shares into Class A Common Stock immediately prior to execution of the sale. The sale was to satisfy tax withholding obligations to be funded by a \"sell to cover\" transaction and does not represent a discretionary transaction by the Reporting Person. The Reporting Person is subject to a lock-up agreement that that was entered into with underwriters in connection with the Issuer's initial public offering and expires on the earlier of (i) 6:00 a.m. Eastern Time on the second trading day following the Issuer's release of earnings for the quarter ending September 30, 2026 or (ii) November 9, 2026.  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The sale was to satisfy tax withholding obligations to be funded by a \"sell to cover\" transaction and does not represent a discretionary transaction by the Reporting Person. The Reporting Person is subject to a lock-up agreement that that was entered into with underwriters in connection with the Issuer's initial public offering and expires on the earlier of (i) 6:00 a.m. Eastern Time on the second trading day following the Issuer's release of earnings for the quarter ending September 30, 2026 or (ii) November 9, 2026.  The sale of shares is a permissible exemption under the terms of the lock-up agreement."},{"field":"price","element":"transactionPricePerShare","label":"F25","text":"The sale price reported in Column 4 of Table 1 represents the weighted average sale price of the shares sold ranging from $236.01 to $236.97, 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":67849,"source":{"system":"sec-edgar","filing":"0001628280-26-058119","document":"wk-form4_1787188343.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":25,"url":"https://www.sec.gov/Archives/edgar/data/2021728/000162828026058119/wk-form4_1787188343.xml","form_type":"4"}},{"id":681728,"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":"2026-08-20T01:12:26.000Z","date":"2026-08-18","kind":"sale","planned":false,"acquired":false,"shares":377,"price":235.5,"value":88783.5,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F3","text":"These shares were sold by the Reporting Person to cover tax withholding obligations in connection with the settlement of restricted stock units, resulting in the automatic conversion of the shares into Class A Common Stock immediately prior to execution of the sale. The sale was to satisfy tax withholding obligations to be funded by a \"sell to cover\" transaction and does not represent a discretionary transaction by the Reporting Person. The Reporting Person is subject to a lock-up agreement that that was entered into with underwriters in connection with the Issuer's initial public offering and expires on the earlier of (i) 6:00 a.m. Eastern Time on the second trading day following the Issuer's release of earnings for the quarter ending September 30, 2026 or (ii) November 9, 2026.  The sale of shares is a permissible exemption under the terms of the lock-up agreement."},{"field":"price","element":"transactionPricePerShare","label":"F24","text":"The sale price reported in Column 4 of Table 1 represents the weighted average sale price of the shares sold ranging from $235.00 to $235.99, 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":68103,"source":{"system":"sec-edgar","filing":"0001628280-26-058119","document":"wk-form4_1787188343.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":24,"url":"https://www.sec.gov/Archives/edgar/data/2021728/000162828026058119/wk-form4_1787188343.xml","form_type":"4"}},{"id":681727,"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":"2026-08-20T01:12:26.000Z","date":"2026-08-18","kind":"sale","planned":false,"acquired":false,"shares":739,"price":234.47,"value":173273.33,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F3","text":"These shares were sold by the Reporting Person to cover tax withholding obligations in connection with the settlement of restricted stock units, resulting in the automatic conversion of the shares into Class A Common Stock immediately prior to execution of the sale. The sale was to satisfy tax withholding obligations to be funded by a \"sell to cover\" transaction and does not represent a discretionary transaction by the Reporting Person. The Reporting Person is subject to a lock-up agreement that that was entered into with underwriters in connection with the Issuer's initial public offering and expires on the earlier of (i) 6:00 a.m. Eastern Time on the second trading day following the Issuer's release of earnings for the quarter ending September 30, 2026 or (ii) November 9, 2026.  The sale of shares is a permissible exemption under the terms of the lock-up agreement."},{"field":"price","element":"transactionPricePerShare","label":"F23","text":"The sale price reported in Column 4 of Table 1 represents the weighted average sale price of the shares sold ranging from $234.04 to $234.99, 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":68480,"source":{"system":"sec-edgar","filing":"0001628280-26-058119","document":"wk-form4_1787188343.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":23,"url":"https://www.sec.gov/Archives/edgar/data/2021728/000162828026058119/wk-form4_1787188343.xml","form_type":"4"}},{"id":681726,"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":"2026-08-20T01:12:26.000Z","date":"2026-08-18","kind":"sale","planned":false,"acquired":false,"shares":281,"price":233.31,"value":65560.11,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F3","text":"These shares were sold by the Reporting Person to cover tax withholding obligations in connection with the settlement of restricted stock units, resulting in the automatic conversion of the shares into Class A Common Stock immediately prior to execution of the sale. The sale was to satisfy tax withholding obligations to be funded by a \"sell to cover\" transaction and does not represent a discretionary transaction by the Reporting Person. The Reporting Person is subject to a lock-up agreement that that was entered into with underwriters in connection with the Issuer's initial public offering and expires on the earlier of (i) 6:00 a.m. Eastern Time on the second trading day following the Issuer's release of earnings for the quarter ending September 30, 2026 or (ii) November 9, 2026.  The sale of shares is a permissible exemption under the terms of the lock-up agreement."},{"field":"price","element":"transactionPricePerShare","label":"F22","text":"The sale price reported in Column 4 of Table 1 represents the weighted average sale price of the shares sold ranging from $233.00 to $233.92, 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":69219,"source":{"system":"sec-edgar","filing":"0001628280-26-058119","document":"wk-form4_1787188343.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":22,"url":"https://www.sec.gov/Archives/edgar/data/2021728/000162828026058119/wk-form4_1787188343.xml","form_type":"4"}},{"id":681725,"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":"2026-08-20T01:12:26.000Z","date":"2026-08-18","kind":"sale","planned":false,"acquired":false,"shares":347,"price":232.62,"value":80719.14,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F3","text":"These shares were sold by the Reporting Person to cover tax withholding obligations in connection with the settlement of restricted stock units, resulting in the automatic conversion of the shares into Class A Common Stock immediately prior to execution of the sale. The sale was to satisfy tax withholding obligations to be funded by a \"sell to cover\" transaction and does not represent a discretionary transaction by the Reporting Person. The Reporting Person is subject to a lock-up agreement that that was entered into with underwriters in connection with the Issuer's initial public offering and expires on the earlier of (i) 6:00 a.m. Eastern Time on the second trading day following the Issuer's release of earnings for the quarter ending September 30, 2026 or (ii) November 9, 2026.  The sale of shares is a permissible exemption under the terms of the lock-up agreement."},{"field":"price","element":"transactionPricePerShare","label":"F21","text":"The sale price reported in Column 4 of Table 1 represents the weighted average sale price of the shares sold ranging from $232.05 to $232.99, 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":69500,"source":{"system":"sec-edgar","filing":"0001628280-26-058119","document":"wk-form4_1787188343.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":21,"url":"https://www.sec.gov/Archives/edgar/data/2021728/000162828026058119/wk-form4_1787188343.xml","form_type":"4"}},{"id":681724,"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":"2026-08-20T01:12:26.000Z","date":"2026-08-18","kind":"sale","planned":false,"acquired":false,"shares":304,"price":231.57,"value":70397.28,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F3","text":"These shares were sold by the Reporting Person to cover tax withholding obligations in connection with the settlement of restricted stock units, resulting in the automatic conversion of the shares into Class A Common Stock immediately prior to execution of the sale. The sale was to satisfy tax withholding obligations to be funded by a \"sell to cover\" transaction and does not represent a discretionary transaction by the Reporting Person. The Reporting Person is subject to a lock-up agreement that that was entered into with underwriters in connection with the Issuer's initial public offering and expires on the earlier of (i) 6:00 a.m. Eastern Time on the second trading day following the Issuer's release of earnings for the quarter ending September 30, 2026 or (ii) November 9, 2026.  The sale of shares is a permissible exemption under the terms of the lock-up agreement."},{"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 $231.12 to $231.99, 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":69847,"source":{"system":"sec-edgar","filing":"0001628280-26-058119","document":"wk-form4_1787188343.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":20,"url":"https://www.sec.gov/Archives/edgar/data/2021728/000162828026058119/wk-form4_1787188343.xml","form_type":"4"}},{"id":681723,"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":"2026-08-20T01:12:26.000Z","date":"2026-08-18","kind":"sale","planned":false,"acquired":false,"shares":59,"price":230.67,"value":13609.53,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F3","text":"These shares were sold by the Reporting Person to cover tax withholding obligations in connection with the settlement of restricted stock units, resulting in the automatic conversion of the shares into Class A Common Stock immediately prior to execution of the sale. The sale was to satisfy tax withholding obligations to be funded by a \"sell to cover\" transaction and does not represent a discretionary transaction by the Reporting Person. The Reporting Person is subject to a lock-up agreement that that was entered into with underwriters in connection with the Issuer's initial public offering and expires on the earlier of (i) 6:00 a.m. Eastern Time on the second trading day following the Issuer's release of earnings for the quarter ending September 30, 2026 or (ii) November 9, 2026.  The sale of shares is a permissible exemption under the terms of the lock-up agreement."},{"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 $230.11 to $230.99, 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":70151,"source":{"system":"sec-edgar","filing":"0001628280-26-058119","document":"wk-form4_1787188343.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":19,"url":"https://www.sec.gov/Archives/edgar/data/2021728/000162828026058119/wk-form4_1787188343.xml","form_type":"4"}},{"id":681722,"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":"2026-08-20T01:12:26.000Z","date":"2026-08-18","kind":"sale","planned":false,"acquired":false,"shares":184,"price":229.46,"value":42220.64,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F3","text":"These shares were sold by the Reporting Person to cover tax withholding obligations in connection with the settlement of restricted stock units, resulting in the automatic conversion of the shares into Class A Common Stock immediately prior to execution of the sale. The sale was to satisfy tax withholding obligations to be funded by a \"sell to cover\" transaction and does not represent a discretionary transaction by the Reporting Person. The Reporting Person is subject to a lock-up agreement that that was entered into with underwriters in connection with the Issuer's initial public offering and expires on the earlier of (i) 6:00 a.m. Eastern Time on the second trading day following the Issuer's release of earnings for the quarter ending September 30, 2026 or (ii) November 9, 2026.  The sale of shares is a permissible exemption under the terms of the lock-up agreement."},{"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 $229.00 to $229.88, 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":70210,"source":{"system":"sec-edgar","filing":"0001628280-26-058119","document":"wk-form4_1787188343.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":18,"url":"https://www.sec.gov/Archives/edgar/data/2021728/000162828026058119/wk-form4_1787188343.xml","form_type":"4"}},{"id":681721,"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":"2026-08-20T01:12:26.000Z","date":"2026-08-18","kind":"sale","planned":false,"acquired":false,"shares":119,"price":228.53,"value":27195.07,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F3","text":"These shares were sold by the Reporting Person to cover tax withholding obligations in connection with the settlement of restricted stock units, resulting in the automatic conversion of the shares into Class A Common Stock immediately prior to execution of the sale. The sale was to satisfy tax withholding obligations to be funded by a \"sell to cover\" transaction and does not represent a discretionary transaction by the Reporting Person. The Reporting Person is subject to a lock-up agreement that that was entered into with underwriters in connection with the Issuer's initial public offering and expires on the earlier of (i) 6:00 a.m. Eastern Time on the second trading day following the Issuer's release of earnings for the quarter ending September 30, 2026 or (ii) November 9, 2026.  The sale of shares is a permissible exemption under the terms of the lock-up agreement."},{"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 $228.01 to $228.99, 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":70394,"source":{"system":"sec-edgar","filing":"0001628280-26-058119","document":"wk-form4_1787188343.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":17,"url":"https://www.sec.gov/Archives/edgar/data/2021728/000162828026058119/wk-form4_1787188343.xml","form_type":"4"}},{"id":681720,"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":"2026-08-20T01:12:26.000Z","date":"2026-08-18","kind":"sale","planned":false,"acquired":false,"shares":435,"price":227.37,"value":98905.95,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F3","text":"These shares were sold by the Reporting Person to cover tax withholding obligations in connection with the settlement of restricted stock units, resulting in the automatic conversion of the shares into Class A Common Stock immediately prior to execution of the sale. The sale was to satisfy tax withholding obligations to be funded by a \"sell to cover\" transaction and does not represent a discretionary transaction by the Reporting Person. The Reporting Person is subject to a lock-up agreement that that was entered into with underwriters in connection with the Issuer's initial public offering and expires on the earlier of (i) 6:00 a.m. Eastern Time on the second trading day following the Issuer's release of earnings for the quarter ending September 30, 2026 or (ii) November 9, 2026.  The sale of shares is a permissible exemption under the terms of the lock-up agreement."},{"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 $227.01 to $227.96, 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":70513,"source":{"system":"sec-edgar","filing":"0001628280-26-058119","document":"wk-form4_1787188343.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":16,"url":"https://www.sec.gov/Archives/edgar/data/2021728/000162828026058119/wk-form4_1787188343.xml","form_type":"4"}},{"id":681719,"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":"2026-08-20T01:12:26.000Z","date":"2026-08-18","kind":"sale","planned":false,"acquired":false,"shares":573,"price":226.46,"value":129761.58,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F3","text":"These shares were sold by the Reporting Person to cover tax withholding obligations in connection with the settlement of restricted stock units, resulting in the automatic conversion of the shares into Class A Common Stock immediately prior to execution of the sale. The sale was to satisfy tax withholding obligations to be funded by a \"sell to cover\" transaction and does not represent a discretionary transaction by the Reporting Person. The Reporting Person is subject to a lock-up agreement that that was entered into with underwriters in connection with the Issuer's initial public offering and expires on the earlier of (i) 6:00 a.m. Eastern Time on the second trading day following the Issuer's release of earnings for the quarter ending September 30, 2026 or (ii) November 9, 2026.  The sale of shares is a permissible exemption under the terms of the lock-up agreement."},{"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 $226.01 to $226.97, 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":70948,"source":{"system":"sec-edgar","filing":"0001628280-26-058119","document":"wk-form4_1787188343.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":15,"url":"https://www.sec.gov/Archives/edgar/data/2021728/000162828026058119/wk-form4_1787188343.xml","form_type":"4"}},{"id":681718,"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":"2026-08-20T01:12:26.000Z","date":"2026-08-18","kind":"sale","planned":false,"acquired":false,"shares":420,"price":225.51,"value":94714.2,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F3","text":"These shares were sold by the Reporting Person to cover tax withholding obligations in connection with the settlement of restricted stock units, resulting in the automatic conversion of the shares into Class A Common Stock immediately prior to execution of the sale. The sale was to satisfy tax withholding obligations to be funded by a \"sell to cover\" transaction and does not represent a discretionary transaction by the Reporting Person. The Reporting Person is subject to a lock-up agreement that that was entered into with underwriters in connection with the Issuer's initial public offering and expires on the earlier of (i) 6:00 a.m. Eastern Time on the second trading day following the Issuer's release of earnings for the quarter ending September 30, 2026 or (ii) November 9, 2026.  The sale of shares is a permissible exemption under the terms of the lock-up agreement."},{"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 $225.01 to $225.98, 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":71521,"source":{"system":"sec-edgar","filing":"0001628280-26-058119","document":"wk-form4_1787188343.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":14,"url":"https://www.sec.gov/Archives/edgar/data/2021728/000162828026058119/wk-form4_1787188343.xml","form_type":"4"}},{"id":681717,"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":"2026-08-20T01:12:26.000Z","date":"2026-08-18","kind":"sale","planned":false,"acquired":false,"shares":253,"price":224.52,"value":56803.56,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F3","text":"These shares were sold by the Reporting Person to cover tax withholding obligations in connection with the settlement of restricted stock units, resulting in the automatic conversion of the shares into Class A Common Stock immediately prior to execution of the sale. The sale was to satisfy tax withholding obligations to be funded by a \"sell to cover\" transaction and does not represent a discretionary transaction by the Reporting Person. The Reporting Person is subject to a lock-up agreement that that was entered into with underwriters in connection with the Issuer's initial public offering and expires on the earlier of (i) 6:00 a.m. Eastern Time on the second trading day following the Issuer's release of earnings for the quarter ending September 30, 2026 or (ii) November 9, 2026.  The sale of shares is a permissible exemption under the terms of the lock-up agreement."},{"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 $224.12 to $224.92, 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":71941,"source":{"system":"sec-edgar","filing":"0001628280-26-058119","document":"wk-form4_1787188343.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":13,"url":"https://www.sec.gov/Archives/edgar/data/2021728/000162828026058119/wk-form4_1787188343.xml","form_type":"4"}},{"id":681716,"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":"2026-08-20T01:12:26.000Z","date":"2026-08-18","kind":"sale","planned":false,"acquired":false,"shares":616,"price":223.54,"value":137700.64,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F3","text":"These shares were sold by the Reporting Person to cover tax withholding obligations in connection with the settlement of restricted stock units, resulting in the automatic conversion of the shares into Class A Common Stock immediately prior to execution of the sale. The sale was to satisfy tax withholding obligations to be funded by a \"sell to cover\" transaction and does not represent a discretionary transaction by the Reporting Person. The Reporting Person is subject to a lock-up agreement that that was entered into with underwriters in connection with the Issuer's initial public offering and expires on the earlier of (i) 6:00 a.m. Eastern Time on the second trading day following the Issuer's release of earnings for the quarter ending September 30, 2026 or (ii) November 9, 2026.  The sale of shares is a permissible exemption under the terms of the lock-up agreement."},{"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 $223.00 to $223.99, inclusive. 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The sale was to satisfy tax withholding obligations to be funded by a \"sell to cover\" transaction and does not represent a discretionary transaction by the Reporting Person. The Reporting Person is subject to a lock-up agreement that that was entered into with underwriters in connection with the Issuer's initial public offering and expires on the earlier of (i) 6:00 a.m. Eastern Time on the second trading day following the Issuer's release of earnings for the quarter ending September 30, 2026 or (ii) November 9, 2026.  The sale of shares is a permissible exemption under the terms of the lock-up agreement."},{"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 $222.00 to $222.99, inclusive. 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The sale was to satisfy tax withholding obligations to be funded by a \"sell to cover\" transaction and does not represent a discretionary transaction by the Reporting Person. The Reporting Person is subject to a lock-up agreement that that was entered into with underwriters in connection with the Issuer's initial public offering and expires on the earlier of (i) 6:00 a.m. Eastern Time on the second trading day following the Issuer's release of earnings for the quarter ending September 30, 2026 or (ii) November 9, 2026.  The sale of shares is a permissible exemption under the terms of the lock-up agreement."},{"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 $221.00 to $221.99, inclusive. 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The sale was to satisfy tax withholding obligations to be funded by a \"sell to cover\" transaction and does not represent a discretionary transaction by the Reporting Person. The Reporting Person is subject to a lock-up agreement that that was entered into with underwriters in connection with the Issuer's initial public offering and expires on the earlier of (i) 6:00 a.m. Eastern Time on the second trading day following the Issuer's release of earnings for the quarter ending September 30, 2026 or (ii) November 9, 2026.  The sale of shares is a permissible exemption under the terms of the lock-up agreement."},{"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 $220.00 to $220.99, inclusive. 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The sale was to satisfy tax withholding obligations to be funded by a \"sell to cover\" transaction and does not represent a discretionary transaction by the Reporting Person. The Reporting Person is subject to a lock-up agreement that that was entered into with underwriters in connection with the Issuer's initial public offering and expires on the earlier of (i) 6:00 a.m. Eastern Time on the second trading day following the Issuer's release of earnings for the quarter ending September 30, 2026 or (ii) November 9, 2026.  The sale of shares is a permissible exemption under the terms of the lock-up agreement."},{"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 $219.00 to $219.99, inclusive. 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The sale was to satisfy tax withholding obligations to be funded by a \"sell to cover\" transaction and does not represent a discretionary transaction by the Reporting Person. The Reporting Person is subject to a lock-up agreement that that was entered into with underwriters in connection with the Issuer's initial public offering and expires on the earlier of (i) 6:00 a.m. Eastern Time on the second trading day following the Issuer's release of earnings for the quarter ending September 30, 2026 or (ii) November 9, 2026.  The sale of shares is a permissible exemption under the terms of the lock-up agreement."},{"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 $218.00 to $218.99, inclusive. 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The sale was to satisfy tax withholding obligations to be funded by a \"sell to cover\" transaction and does not represent a discretionary transaction by the Reporting Person. The Reporting Person is subject to a lock-up agreement that that was entered into with underwriters in connection with the Issuer's initial public offering and expires on the earlier of (i) 6:00 a.m. Eastern Time on the second trading day following the Issuer's release of earnings for the quarter ending September 30, 2026 or (ii) November 9, 2026.  The sale of shares is a permissible exemption under the terms of the lock-up agreement."},{"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 $217.00 to $217.99, 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":88220,"source":{"system":"sec-edgar","filing":"0001628280-26-058119","document":"wk-form4_1787188343.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":6,"url":"https://www.sec.gov/Archives/edgar/data/2021728/000162828026058119/wk-form4_1787188343.xml","form_type":"4"}},{"id":681709,"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":"2026-08-20T01:12:26.000Z","date":"2026-08-18","kind":"sale","planned":false,"acquired":false,"shares":2264,"price":216.4,"value":489929.6,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F3","text":"These shares were sold by the Reporting Person to cover tax withholding obligations in connection with the settlement of restricted stock units, resulting in the automatic conversion of the shares into Class A Common Stock immediately prior to execution of the sale. The sale was to satisfy tax withholding obligations to be funded by a \"sell to cover\" transaction and does not represent a discretionary transaction by the Reporting Person. The Reporting Person is subject to a lock-up agreement that that was entered into with underwriters in connection with the Issuer's initial public offering and expires on the earlier of (i) 6:00 a.m. Eastern Time on the second trading day following the Issuer's release of earnings for the quarter ending September 30, 2026 or (ii) November 9, 2026.  The sale of shares is a permissible exemption under the terms of the lock-up agreement."},{"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 $216.00 to $216.99, 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":89904,"source":{"system":"sec-edgar","filing":"0001628280-26-058119","document":"wk-form4_1787188343.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/2021728/000162828026058119/wk-form4_1787188343.xml","form_type":"4"}},{"id":681708,"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":"2026-08-20T01:12:26.000Z","date":"2026-08-18","kind":"sale","planned":false,"acquired":false,"shares":1327,"price":215.67,"value":286194.09,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F3","text":"These shares were sold by the Reporting Person to cover tax withholding obligations in connection with the settlement of restricted stock units, resulting in the automatic conversion of the shares into Class A Common Stock immediately prior to execution of the sale. The sale was to satisfy tax withholding obligations to be funded by a \"sell to cover\" transaction and does not represent a discretionary transaction by the Reporting Person. The Reporting Person is subject to a lock-up agreement that that was entered into with underwriters in connection with the Issuer's initial public offering and expires on the earlier of (i) 6:00 a.m. Eastern Time on the second trading day following the Issuer's release of earnings for the quarter ending September 30, 2026 or (ii) November 9, 2026.  The sale of shares is a permissible exemption under the terms of the lock-up agreement."},{"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 $215.01 to $215.99, 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":92168,"source":{"system":"sec-edgar","filing":"0001628280-26-058119","document":"wk-form4_1787188343.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/2021728/000162828026058119/wk-form4_1787188343.xml","form_type":"4"}},{"id":681707,"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":"2026-08-20T01:12:26.000Z","date":"2026-08-18","kind":"sale","planned":false,"acquired":false,"shares":2,"price":214.85,"value":429.7,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F3","text":"These shares were sold by the Reporting Person to cover tax withholding obligations in connection with the settlement of restricted stock units, resulting in the automatic conversion of the shares into Class A Common Stock immediately prior to execution of the sale. 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Stock","published_at":"2026-06-29T20:47:43.000Z","date":"2026-06-25","kind":"sale","planned":false,"acquired":false,"shares":1700,"price":184.73,"value":314041.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F2","text":"These shares were sold by the Reporting Person to cover tax withholding obligations in connection with the settlement of restricted stock units, resulting in the automatic conversion of the shares into Class A Common Stock immediately prior to execution of the sale. The sale was to satisfy tax withholding obligations to be funded by a \"sell to cover\" transaction and does not represent a discretionary transaction by the Reporting Person. The Reporting Person is subject to a lock-up agreement that that was entered into with underwriters in connection with the Issuer's initial public offering and expires on the earlier of (i) 6:00 a.m. Eastern Time on the second trading day following the Issuer's release of earnings for the quarter ending September 30, 2026 or (ii) November 9, 2026.  The sale of shares is a permissible exemption under the terms of the lock-up agreement."},{"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 $184.51 to $185.01, 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":"0001628280-26-046034","document":"wk-form4_1782766060.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":13,"url":"https://www.sec.gov/Archives/edgar/data/2021728/000162828026046034/wk-form4_1782766060.xml","form_type":"4"}},{"id":724262,"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":"2026-06-29T20:47:43.000Z","date":"2026-06-25","kind":"sale","planned":false,"acquired":false,"shares":500,"price":183.71,"value":91855.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F2","text":"These shares were sold by the Reporting Person to cover tax withholding obligations in connection with the settlement of restricted stock units, resulting in the automatic conversion of the shares into Class A Common Stock immediately prior to execution of the sale. The sale was to satisfy tax withholding obligations to be funded by a \"sell to cover\" transaction and does not represent a discretionary transaction by the Reporting Person. The Reporting Person is subject to a lock-up agreement that that was entered into with underwriters in connection with the Issuer's initial public offering and expires on the earlier of (i) 6:00 a.m. Eastern Time on the second trading day following the Issuer's release of earnings for the quarter ending September 30, 2026 or (ii) November 9, 2026.  The sale of shares is a permissible exemption under the terms of the lock-up agreement."},{"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 $183.51 to $184.04, 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":1700,"source":{"system":"sec-edgar","filing":"0001628280-26-046034","document":"wk-form4_1782766060.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":12,"url":"https://www.sec.gov/Archives/edgar/data/2021728/000162828026046034/wk-form4_1782766060.xml","form_type":"4"}},{"id":724261,"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":"2026-06-29T20:47:43.000Z","date":"2026-06-25","kind":"sale","planned":false,"acquired":false,"shares":400,"price":182.55,"value":73020.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F2","text":"These shares were sold by the Reporting Person to cover tax withholding obligations in connection with the settlement of restricted stock units, resulting in the automatic conversion of the shares into Class A Common Stock immediately prior to execution of the sale. The sale was to satisfy tax withholding obligations to be funded by a \"sell to cover\" transaction and does not represent a discretionary transaction by the Reporting Person. The Reporting Person is subject to a lock-up agreement that that was entered into with underwriters in connection with the Issuer's initial public offering and expires on the earlier of (i) 6:00 a.m. Eastern Time on the second trading day following the Issuer's release of earnings for the quarter ending September 30, 2026 or (ii) November 9, 2026.  The sale of shares is a permissible exemption under the terms of the lock-up agreement."},{"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 $182.28 to $183.14, 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":2200,"source":{"system":"sec-edgar","filing":"0001628280-26-046034","document":"wk-form4_1782766060.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":11,"url":"https://www.sec.gov/Archives/edgar/data/2021728/000162828026046034/wk-form4_1782766060.xml","form_type":"4"}},{"id":724260,"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":"2026-06-29T20:47:43.000Z","date":"2026-06-25","kind":"sale","planned":false,"acquired":false,"shares":500,"price":181.15,"value":90575.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F2","text":"These shares were sold by the Reporting Person to cover tax withholding obligations in connection with the settlement of restricted stock units, resulting in the automatic conversion of the shares into Class A Common Stock immediately prior to execution of the sale. The sale was to satisfy tax withholding obligations to be funded by a \"sell to cover\" transaction and does not represent a discretionary transaction by the Reporting Person. The Reporting Person is subject to a lock-up agreement that that was entered into with underwriters in connection with the Issuer's initial public offering and expires on the earlier of (i) 6:00 a.m. Eastern Time on the second trading day following the Issuer's release of earnings for the quarter ending September 30, 2026 or (ii) November 9, 2026.  The sale of shares is a permissible exemption under the terms of the lock-up agreement."},{"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 $181.01 to $181.26, 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":2600,"source":{"system":"sec-edgar","filing":"0001628280-26-046034","document":"wk-form4_1782766060.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":10,"url":"https://www.sec.gov/Archives/edgar/data/2021728/000162828026046034/wk-form4_1782766060.xml","form_type":"4"}},{"id":724259,"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":"2026-06-29T20:47:43.000Z","date":"2026-06-25","kind":"sale","planned":false,"acquired":false,"shares":400,"price":180.25,"value":72100.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F2","text":"These shares were sold by the Reporting Person to cover tax withholding obligations in connection with the settlement of restricted stock units, resulting in the automatic conversion of the shares into Class A Common Stock immediately prior to execution of the sale. The sale was to satisfy tax withholding obligations to be funded by a \"sell to cover\" transaction and does not represent a discretionary transaction by the Reporting Person. The Reporting Person is subject to a lock-up agreement that that was entered into with underwriters in connection with the Issuer's initial public offering and expires on the earlier of (i) 6:00 a.m. Eastern Time on the second trading day following the Issuer's release of earnings for the quarter ending September 30, 2026 or (ii) November 9, 2026.  The sale of shares is a permissible exemption under the terms of the lock-up agreement."},{"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 $179.79 to $180.69, 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":3100,"source":{"system":"sec-edgar","filing":"0001628280-26-046034","document":"wk-form4_1782766060.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":9,"url":"https://www.sec.gov/Archives/edgar/data/2021728/000162828026046034/wk-form4_1782766060.xml","form_type":"4"}},{"id":724258,"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":"2026-06-29T20:47:43.000Z","date":"2026-06-25","kind":"sale","planned":false,"acquired":false,"shares":300,"price":178.81,"value":53643.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F2","text":"These shares were sold by the Reporting Person to cover tax withholding obligations in connection with the settlement of restricted stock units, resulting in the automatic conversion of the shares into Class A Common Stock immediately prior to execution of the sale. The sale was to satisfy tax withholding obligations to be funded by a \"sell to cover\" transaction and does not represent a discretionary transaction by the Reporting Person. The Reporting Person is subject to a lock-up agreement that that was entered into with underwriters in connection with the Issuer's initial public offering and expires on the earlier of (i) 6:00 a.m. Eastern Time on the second trading day following the Issuer's release of earnings for the quarter ending September 30, 2026 or (ii) November 9, 2026.  The sale of shares is a permissible exemption under the terms of the lock-up agreement."},{"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 $178.51 to $179.06, 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":3500,"source":{"system":"sec-edgar","filing":"0001628280-26-046034","document":"wk-form4_1782766060.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":8,"url":"https://www.sec.gov/Archives/edgar/data/2021728/000162828026046034/wk-form4_1782766060.xml","form_type":"4"}},{"id":724257,"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":"2026-06-29T20:47:43.000Z","date":"2026-06-25","kind":"sale","planned":false,"acquired":false,"shares":300,"price":175.7,"value":52710.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F2","text":"These shares were sold by the Reporting Person to cover tax withholding obligations in connection with the settlement of restricted stock units, resulting in the automatic conversion of the shares into Class A Common Stock immediately prior to execution of the sale. The sale was to satisfy tax withholding obligations to be funded by a \"sell to cover\" transaction and does not represent a discretionary transaction by the Reporting Person. The Reporting Person is subject to a lock-up agreement that that was entered into with underwriters in connection with the Issuer's initial public offering and expires on the earlier of (i) 6:00 a.m. Eastern Time on the second trading day following the Issuer's release of earnings for the quarter ending September 30, 2026 or (ii) November 9, 2026.  The sale of shares is a permissible exemption under the terms of the lock-up agreement."},{"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 $175.61 to $175.87, 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":3800,"source":{"system":"sec-edgar","filing":"0001628280-26-046034","document":"wk-form4_1782766060.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":7,"url":"https://www.sec.gov/Archives/edgar/data/2021728/000162828026046034/wk-form4_1782766060.xml","form_type":"4"}},{"id":724256,"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":"2026-06-29T20:47:43.000Z","date":"2026-06-25","kind":"sale","planned":false,"acquired":false,"shares":400,"price":173.5,"value":69400.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F2","text":"These shares were sold by the Reporting Person to cover tax withholding obligations in connection with the settlement of restricted stock units, resulting in the automatic conversion of the shares into Class A Common Stock immediately prior to execution of the sale. The sale was to satisfy tax withholding obligations to be funded by a \"sell to cover\" transaction and does not represent a discretionary transaction by the Reporting Person. The Reporting Person is subject to a lock-up agreement that that was entered into with underwriters in connection with the Issuer's initial public offering and expires on the earlier of (i) 6:00 a.m. Eastern Time on the second trading day following the Issuer's release of earnings for the quarter ending September 30, 2026 or (ii) November 9, 2026.  The sale of shares is a permissible exemption under the terms of the lock-up agreement."},{"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 $173.18 to $173.81, 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":4100,"source":{"system":"sec-edgar","filing":"0001628280-26-046034","document":"wk-form4_1782766060.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":6,"url":"https://www.sec.gov/Archives/edgar/data/2021728/000162828026046034/wk-form4_1782766060.xml","form_type":"4"}},{"id":724255,"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":"2026-06-29T20:47:43.000Z","date":"2026-06-25","kind":"sale","planned":false,"acquired":false,"shares":160,"price":172.03,"value":27524.8,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F2","text":"These shares were sold by the Reporting Person to cover tax withholding obligations in connection with the settlement of restricted stock units, resulting in the automatic conversion of the shares into Class A Common Stock immediately prior to execution of the sale. The sale was to satisfy tax withholding obligations to be funded by a \"sell to cover\" transaction and does not represent a discretionary transaction by the Reporting Person. The Reporting Person is subject to a lock-up agreement that that was entered into with underwriters in connection with the Issuer's initial public offering and expires on the earlier of (i) 6:00 a.m. Eastern Time on the second trading day following the Issuer's release of earnings for the quarter ending September 30, 2026 or (ii) November 9, 2026.  The sale of shares is a permissible exemption under the terms of the lock-up agreement."},{"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 $171.92 to $172.09, 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":4500,"source":{"system":"sec-edgar","filing":"0001628280-26-046034","document":"wk-form4_1782766060.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/2021728/000162828026046034/wk-form4_1782766060.xml","form_type":"4"}},{"id":724254,"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":"2026-06-29T20:47:43.000Z","date":"2026-06-25","kind":"sale","planned":false,"acquired":false,"shares":700,"price":171.53,"value":120071.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F2","text":"These shares were sold by the Reporting Person to cover tax withholding obligations in connection with the settlement of restricted stock units, resulting in the automatic conversion of the shares into Class A Common Stock immediately prior to execution of the sale. The sale was to satisfy tax withholding obligations to be funded by a \"sell to cover\" transaction and does not represent a discretionary transaction by the Reporting Person. The Reporting Person is subject to a lock-up agreement that that was entered into with underwriters in connection with the Issuer's initial public offering and expires on the earlier of (i) 6:00 a.m. Eastern Time on the second trading day following the Issuer's release of earnings for the quarter ending September 30, 2026 or (ii) November 9, 2026.  The sale of shares is a permissible exemption under the terms of the lock-up agreement."},{"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 $170.90 to $171.71, 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":4660,"source":{"system":"sec-edgar","filing":"0001628280-26-046034","document":"wk-form4_1782766060.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/2021728/000162828026046034/wk-form4_1782766060.xml","form_type":"4"}},{"id":724253,"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":"2026-06-29T20:47:43.000Z","date":"2026-06-25","kind":"sale","planned":false,"acquired":false,"shares":8602,"price":170.58,"value":1467329.16,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F2","text":"These shares were sold by the Reporting Person to cover tax withholding obligations in connection with the settlement of restricted stock units, resulting in the automatic conversion of the shares into Class A Common Stock immediately prior to execution of the sale. The sale was to satisfy tax withholding obligations to be funded by a \"sell to cover\" transaction and does not represent a discretionary transaction by the Reporting Person. The Reporting Person is subject to a lock-up agreement that that was entered into with underwriters in connection with the Issuer's initial public offering and expires on the earlier of (i) 6:00 a.m. Eastern Time on the second trading day following the Issuer's release of earnings for the quarter ending September 30, 2026 or (ii) November 9, 2026.  The sale of shares is a permissible exemption under the terms of the lock-up agreement."},{"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 $169.90 to $170.60, 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":5360,"source":{"system":"sec-edgar","filing":"0001628280-26-046034","document":"wk-form4_1782766060.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/2021728/000162828026046034/wk-form4_1782766060.xml","form_type":"4"}},{"id":724252,"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":"2026-06-29T20:47:43.000Z","date":"2026-06-25","kind":"sale","planned":false,"acquired":false,"shares":4028,"price":169.07,"value":681013.96,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F2","text":"These shares were sold by the Reporting Person to cover tax withholding obligations in connection with the settlement of restricted stock units, resulting in the automatic conversion of the shares into Class A Common Stock immediately prior to execution of the sale. The sale was to satisfy tax withholding obligations to be funded by a \"sell to cover\" transaction and does not represent a discretionary transaction by the Reporting Person. The Reporting Person is subject to a lock-up agreement that that was entered into with underwriters in connection with the Issuer's initial public offering and expires on the earlier of (i) 6:00 a.m. Eastern Time on the second trading day following the Issuer's release of earnings for the quarter ending September 30, 2026 or (ii) November 9, 2026.  The sale of shares is a permissible exemption under the terms of the lock-up agreement."},{"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 $168.90 to $169.87, 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":13962,"source":{"system":"sec-edgar","filing":"0001628280-26-046034","document":"wk-form4_1782766060.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/2021728/000162828026046034/wk-form4_1782766060.xml","form_type":"4"}},{"id":724251,"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":"2026-06-29T20:47:43.000Z","date":"2026-06-25","kind":"exercise","planned":false,"acquired":true,"shares":17990,"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":17990,"source":{"system":"sec-edgar","filing":"0001628280-26-046034","document":"wk-form4_1782766060.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/2021728/000162828026046034/wk-form4_1782766060.xml","form_type":"4"}},{"id":777353,"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":true,"other":false,"officer_title":"CEO, President"}}],"security":"Stock Option","published_at":"2026-05-15T22:49:35.000Z","date":"2026-05-15","kind":"other","planned":false,"acquired":true,"shares":800000,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F2","text":"Immediately prior to the completion of the Issuer's initial public offering, each share of Class A common stock beneficially owned by the Reporting Person, including shares of Class A common stock underlying restricted stock unit (\"RSU\") and stock options awards, were reclassified into one share of Class B common stock in an exempt transaction pursuant to Rule 16b-7. Each share of Class B common stock is convertible at any time at the option of the holder into one share of Class A common stock."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"Immediately prior to the completion of the Issuer's initial public offering, each share of Class A common stock beneficially owned by the Reporting Person, including shares of Class A common stock underlying restricted stock unit (\"RSU\") and stock options awards, were reclassified into one share of Class B common stock in an exempt transaction pursuant to Rule 16b-7. Each share of Class B common stock is convertible at any time at the option of the holder into one share of Class A common stock."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F5","text":"The stock option vests in 48 substantially equal monthly installments beginning on February 1, 2024."}],"balance_after":800000,"derivative":{"exercise_price":5.48,"expiration_date":"2034-02-06","underlying":"Class B Common Stock","underlying_shares":800000},"source":{"system":"sec-edgar","filing":"0001628280-26-035738","document":"wk-form4_1778885372.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":17,"url":"https://www.sec.gov/Archives/edgar/data/2021728/000162828026035738/wk-form4_1778885372.xml","form_type":"4"}},{"id":777352,"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":true,"other":false,"officer_title":"CEO, President"}}],"security":"Stock Option","published_at":"2026-05-15T22:49:35.000Z","date":"2026-05-15","kind":"other","planned":false,"acquired":true,"shares":150000,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F2","text":"Immediately prior to the completion of the Issuer's initial public offering, each share of Class A common stock beneficially owned by the Reporting Person, including shares of Class A common stock underlying restricted stock unit (\"RSU\") and stock options awards, were reclassified into one share of Class B common stock in an exempt transaction pursuant to Rule 16b-7. 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Each share of Class B common stock is convertible at any time at the option of the holder into one share of Class A common stock."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"Immediately prior to the completion of the Issuer's initial public offering, each share of Class A common stock beneficially owned by the Reporting Person, including shares of Class A common stock underlying restricted stock unit (\"RSU\") and stock options awards, were reclassified into one share of Class B common stock in an exempt transaction pursuant to Rule 16b-7. 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Each share of Class B common stock is convertible at any time at the option of the holder into one share of Class A common stock."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"Immediately prior to the completion of the Issuer's initial public offering, each share of Class A common stock beneficially owned by the Reporting Person, including shares of Class A common stock underlying restricted stock unit (\"RSU\") and stock options awards, were reclassified into one share of Class B common stock in an exempt transaction pursuant to Rule 16b-7. 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Each share of Class B common stock is convertible at any time at the option of the holder into one share of Class A common stock."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"Immediately prior to the completion of the Issuer's initial public offering, each share of Class A common stock beneficially owned by the Reporting Person, including shares of Class A common stock underlying restricted stock unit (\"RSU\") and stock options awards, were reclassified into one share of Class B common stock in an exempt transaction pursuant to Rule 16b-7. 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Each share of Class B common stock is convertible at any time at the option of the holder into one share of Class A common stock."}],"balance_after":50000,"derivative":{"underlying":"Class A Common Stock","underlying_shares":50000},"source":{"system":"sec-edgar","filing":"0001628280-26-035738","document":"wk-form4_1778885372.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":7,"url":"https://www.sec.gov/Archives/edgar/data/2021728/000162828026035738/wk-form4_1778885372.xml","form_type":"4"}},{"id":777342,"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":true,"other":false,"officer_title":"CEO, President"}}],"security":"Class B Common Stock","published_at":"2026-05-15T22:49:35.000Z","date":"2026-05-15","kind":"other","planned":false,"acquired":true,"shares":50000,"ownership":{"direct":false,"nature":"By GRAT 1"},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F2","text":"Immediately prior to the completion of the Issuer's initial public offering, each share of Class A common stock beneficially owned by the Reporting Person, including shares of Class A common stock underlying restricted stock unit (\"RSU\") and stock options awards, were reclassified into one share of Class B common stock in an exempt transaction pursuant to Rule 16b-7. Each share of Class B common stock is convertible at any time at the option of the holder into one share of Class A common stock."},{"field":"kind","element":"transactionCoding","label":"F2","text":"Immediately prior to the completion of the Issuer's initial public offering, each share of Class A common stock beneficially owned by the Reporting Person, including shares of Class A common stock underlying restricted stock unit (\"RSU\") and stock options awards, were reclassified into one share of Class B common stock in an exempt transaction pursuant to Rule 16b-7. Each share of Class B common stock is convertible at any time at the option of the holder into one share of Class A common stock."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"Immediately prior to the completion of the Issuer's initial public offering, each share of Class A common stock beneficially owned by the Reporting Person, including shares of Class A common stock underlying restricted stock unit (\"RSU\") and stock options awards, were reclassified into one share of Class B common stock in an exempt transaction pursuant to Rule 16b-7. Each share of Class B common stock is convertible at any time at the option of the holder into one share of Class A common stock."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"Immediately prior to the completion of the Issuer's initial public offering, each share of Class A common stock beneficially owned by the Reporting Person, including shares of Class A common stock underlying restricted stock unit (\"RSU\") and stock options awards, were reclassified into one share of Class B common stock in an exempt transaction pursuant to Rule 16b-7. Each share of Class B common stock is convertible at any time at the option of the holder into one share of Class A common stock."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F2","text":"Immediately prior to the completion of the Issuer's initial public offering, each share of Class A common stock beneficially owned by the Reporting Person, including shares of Class A common stock underlying restricted stock unit (\"RSU\") and stock options awards, were reclassified into one share of Class B common stock in an exempt transaction pursuant to Rule 16b-7. Each share of Class B common stock is convertible at any time at the option of the holder into one share of Class A common stock."}],"balance_after":50000,"derivative":{"underlying":"Class A Common Stock","underlying_shares":50000},"source":{"system":"sec-edgar","filing":"0001628280-26-035738","document":"wk-form4_1778885372.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":6,"url":"https://www.sec.gov/Archives/edgar/data/2021728/000162828026035738/wk-form4_1778885372.xml","form_type":"4"}}],"next_cursor":"2026-05-15T22:49:35.000000Z,777342"}