Statement of Changes in Beneficial Ownership (Form 4)

FORM 4 Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b). Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 STATEMENT OF CHANGES IN 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

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(Print or Type Responses)

1. Name and Address of Reporting Person * Mallick Dhiraj 2. Issuer Name and Ticker or Trading Symbol Cerebras Systems Inc. [CBRS] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director _____ 10% Owner __X__ Officer (give title below) _____ Other (specify below) Chief Operating Officer (Last) (First) (Middle) C/O CEREBRAS SYSTEMS INC., 1237 E. ARQUES AVENUE 3. Date of Earliest Transaction (Month/Day/Year) 05/13/2026 (Street) SUNNYVALE, CA 94085 4. If Amendment, Date Original Filed (Month/Day/Year) 6. Individual or Joint/Group Filing (Check Applicable Line) _X_ Form filed by One Reporting Person ___ Form filed by More than One Reporting Person (City) (State) (Zip) Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned

1.Title of Security (Instr. 3) 2. Transaction Date (Month/Day/Year) 2A. Deemed Execution Date, if any (Month/Day/Year) 3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4) Code V Amount (A) or (D) Price Class A Common Stock 05/13/2026 F(1) 491,091 D $185 801,998 D Class A Common Stock 05/15/2026 J(2) 801,998 D (2) 0 D

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Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)

1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4, and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Underlying Securities (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of Derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares
Class B Common Stock	(2)	05/15/2026		J(2)		801,998		(2)	(2)	Class A Common Stock	801,998	(2)	801,998	D
Stock Option	$0.98	05/15/2026		J(2)			367,370	(3)	07/16/2028	Class A Common Stock	367,370	(2)	0	D
Stock Option	$2.72	05/15/2026		J(2)			200,000	(3)	07/06/2030	Class A Common Stock	200,000	(2)	0	D
Stock Option	$2.89	05/15/2026		J(2)			100,000	(3)	03/14/2031	Class A Common Stock	100,000	(2)	0	D
Stock Option	$6.47	05/15/2026		J(2)			300,000	(4)	08/22/2032	Class A Common Stock	300,000	(2)	0	D
Stock Option	$5.02	05/15/2026		J(2)			200,000	(5)	02/13/2033	Class A Common Stock	200,000	(2)	0	D
Stock Option	$5.02	05/15/2026		J(2)			105,000	(6)	07/31/2033	Class A Common Stock	105,000	(2)	0	D
Stock Option	$0.98	05/15/2026		J(2)		367,370		(3)	07/16/2028	Class B Common Stock	367,370	(2)	367,370	D
Stock Option	$2.72	05/15/2026		J(2)		200,000		(3)	07/06/2030	Class B Common Stock	200,000	(2)	200,000	D
Stock Option	$2.89	05/15/2026		J(2)		100,000		(3)	03/14/2031	Class B Common Stock	100,000	(2)	100,000	D
Stock Option	$6.47	05/15/2026		J(2)		300,000		(4)	08/22/2032	Class B Common Stock	300,000	(2)	300,000	D
Stock Option	$5.02	05/15/2026		J(2)		200,000		(5)	02/13/2033	Class B Common Stock	200,000	(2)	200,000	D
Stock Option	$5.02	05/15/2026		J(2)		105,000		(6)	07/31/2033	Class B Common Stock	105,000	(2)	105,000	D

Reporting Owners

Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
Mallick Dhiraj C/O CEREBRAS SYSTEMS INC. 1237 E. ARQUES AVENUE SUNNYVALE, CA 94085			Chief Operating Officer

Signatures

/s/ Shirley Li, Attorney-in-Fact		05/15/2026
**Signature of Reporting Person		Date

Explanation of Responses:

*	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).
(1)	Represents shares withheld by the Issuer to satisfy tax liability on vesting of restricted stock units. Not a market sale.
(2)	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.
(3)	The stock option is fully vested and exercisable.
(4)	The stock option vests in 48 substantially equal monthly installments beginning on September 23, 2022.
(5)	The stock option vests in 48 substantially equal monthly installments beginning on February 1, 2023.
(6)	The stock option is vested as to 96,250 of the underlying shares, and the remaining 8,750 underlying shares will vest in three substantially equal monthly installments beginning on June 1, 2026.

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