Cerebras Systems Inc. (CBRS) SCHEDULE 13D/A (Aug 18, 2026)

=== SEC Schedule 13D — Beneficial Ownership === Issuer: Cerebras Systems, Inc. Issuer CIK: 0002021728 Class: Class A common stock, $0.00001 par value per share CUSIP: US15675D1 Event Date: 2026-08-14 Amendment: yes #2 --- Reporting Persons --- - Eclipse Continuity GP I, LLC (0001675124) 546645 sh 0.2% OO - Eclipse Continuity Fund I, L.P. (0001675126) 546645 sh 0.2% PN - Eclipse Ventures GP I, LLC (0001843678) 3768448 sh 1.7% OO - Eclipse Ventures Fund I, L.P. (0001641394) 3768448 sh 1.7% PN - Eclipse SPV II GP, LLC (no CIK) 4472603 sh 2.0% OO - Eclipse SPV II, L.P. (0001791665) 4472603 sh 2.0% PN - Eclipse SPV XIII GP, LLC (no CIK) 409719 sh 0.2% OO - Eclipse SPV XIII, L.P. (0001943130) 409719 sh 0.2% PN - Lior Susan (0001832895) 9555990 sh 4.3% IN --- Item 3 Source of Funds --- Item 3 of the Original Schedule 13D is hereby amended by the addition of the following information: On August 14, 2026, each of Eclipse Continuity I, Eclipse I, Eclipse SPV II, and Eclipse SPV XIII engaged in a pro rata, in-kind distribution of (i) 133,660 shares of Class A common stock, (ii) 921,422 shares of Class A common stock, (iii) 1,093,594 shares of Class A common stock and (iv) 100,179 shares of Class A common stock, respectively, to their respective limited and general partners for no consideration (the "August 2026 Distribution"). Mr. Susan acquired an aggregate of 104,811 shares of Class A common stock from the Reporting Entities in the August 2026 Distribution and an estate-planning vehicle controlled by Mr. Susan received 119,816 shares of Class A common stock from the Reporting Entities in the August 2026 Distribution. Following the August 2026 Distribution, each Reporting Entity and Mr. Susan held the number of shares and percentages reported in Items 7-11 of the cover pages of this Amendment No. 2. --- Item 4 Purpose of Transaction --- The information set forth in Item 4 of the Original Schedule 13D is incorporated herein by reference.