FORM 3

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934 or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL OMB Number: 3235-0104 Expires: December 31, 2014 Estimated average burden hours per response: 0.5

1. Name and Address of Reporting Person * Benchmark AI Infrastructure Management Co., L.L.C. (Last) (First) (Middle) 2965 WOODSIDE ROAD (Street) WOODSIDE CA 94062 (City) (State) (Zip)	2. Date of Event Requiring Statement (Month/Day/Year) 05/13/2026	3. Issuer Name and Ticker or Trading Symbol Cerebras Systems Inc. [ CBRS ]
		4. Relationship of Reporting Person(s) to Issuer (Check all applicable) Director X 10% Owner Officer (give title below) Other (specify below)	5. If Amendment, Date of Original Filed (Month/Day/Year)
			6. Individual or Joint/Group Filing (Check Applicable Line) Form filed by One Reporting Person X Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Beneficially Owned
1. Title of Security (Instr. 4)	2. Amount of Securities Beneficially Owned (Instr. 4)	3. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	4. Nature of Indirect Beneficial Ownership (Instr. 5)

Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 4)	2. Date Exercisable and Expiration Date (Month/Day/Year)		3. Title and Amount of Securities Underlying Derivative Security (Instr. 4)		4. Conversion or Exercise Price of Derivative Security	5. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	6. Nature of Indirect Beneficial Ownership (Instr. 5)
	Date Exercisable	Expiration Date	Title	Amount or Number of Shares
Series H Preferred Stock	(1)	(1)	Class B Common Stock	2,527,646	(1)	I	See Footnote (2)

Explanation of Responses:

1. Each share of Series H Preferred Stock will automatically convert into one share of Class B Common Stock upon completion of the Issuer's initial public offering pursuant to its terms and has no expiration date.

2. The shares are held by Benchmark AI Infrastructure Fund, L.P. ("AI Infrastructure"), as nominee for itself and Benchmark AI Infrastructure Fund B, L.P. ("AI Infrastructure B"). Benchmark AI Infrastructure Management Co., L.L.C. ("AI Infrastructure MC"), the general partner of each of AI Infrastructure and AI Infrastructure B and may be deemed to have sole voting and dispositive power over such shares. Each entity disclaims the existence of a "group" and disclaims beneficial ownership of the securities, except to the extent of such entity's pecuniary interest in such securities.

Remarks:

This report is one of two reports, each on a separate Form 3, but relating to the same holdings being filed by entities affiliated with Benchmark.

	/s/ An-Yen Hu, Managing Member of Benchmark AI Infrastructure Management Co., L.L.C.	05/13/2026
	** Signature of Reporting Person	Date
	/s/ An-Yen Hu, Managing Member of Benchmark AI Infrastructure Management Co., L.L.C., the General Partner of Benchmark AI Infrastructure Fund, L.P.	05/13/2026
	** Signature of Reporting Person	Date
	/s/ An-Yen Hu, Managing Member of Benchmark AI Infrastructure Management Co., L.L.C., the General Partner of Benchmark AI Infrastructure Fund B, L.P.	05/13/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.