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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1. Name and Address of Reporting Person * Foundation Capital Management Co. VIII, L.L.C. 2. Issuer Name and Ticker or Trading Symbol Cerebras Systems Inc. [CBRS] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director __X__ 10% Owner _____ Officer (give title below) _____ Other (specify below) (Last) (First) (Middle) C/O FOUNDATION CAPITAL, 550 HIGH STREET, 3RD FLOOR 3. Date of Earliest Transaction (Month/Day/Year) 05/15/2026 (Street) PALO ALTO, CA 94301 4. If Amendment, Date 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 (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

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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
Series A Preferred Stock	(1)	05/15/2026		C			12,322,821	(1)	(1)	Class B Common Stock	12,322,821	(1)	0	I	By Foundation Capital VIII, L.P.(2)
Series A Preferred Stock	(1)	05/15/2026		C			265,414	(1)	(1)	Class B Common Stock	265,414	(1)	0	I	By Foundation Capital VIII Principals Fund, LLC(3)
Series B Preferred Stock	(1)	05/15/2026		C			1,395,341	(1)	(1)	Class B Common Stock	1,395,341	(1)	0	I	By Foundation Capital VIII, L.P.(2)
Series B Preferred Stock	(1)	05/15/2026		C			30,053	(1)	(1)	Class B Common Stock	30,053	(1)	0	I	By Foundation Capital VIII Principals Fund, LLC(3)
Series C Preferred Stock	(1)	05/15/2026		C			109,409	(1)	(1)	Class B Common Stock	109,409	(1)	0	I	By Foundation Capital VIII, L.P.(2)
Series C Preferred Stock	(1)	05/15/2026		C			2,356	(1)	(1)	Class B Common Stock	2,356	(1)	0	I	By Foundation Capital VIII Principals Fund, LLC(3)
Series D Preferred Stock	(1)	05/15/2026		C			30,315	(1)	(1)	Class B Common Stock	30,315	(1)	0	I	By Foundation Capital VIII, L.P.(2)
Series D Preferred Stock	(1)	05/15/2026		C			653	(1)	(1)	Class B Common Stock	653	(1)	0	I	By Foundation Capital VIII Principals Fund, LLC(3)
Series E Preferred Stock	(1)	05/15/2026		C			53,419	(1)	(1)	Class B Common Stock	53,419	(1)	0	I	By Foundation Capital VIII, L.P.(2)
Series E Preferred Stock	(1)	05/15/2026		C			1,151	(1)	(1)	Class B Common Stock	1,151	(1)	0	I	By Foundation Capital VIII Principals Fund, LLC(3)
Series E Preferred Stock	(1)	05/15/2026		C			1,091,411	(1)	(1)	Class B Common Stock	1,091,411	(1)	0	I	By Foundation Capital Leadership Fund II, L.P.(4)
Class B Common Stock	(1)	05/15/2026		C		13,911,305		(1)	(1)	Class A Common Stock	13,911,305	(1)	13,911,305	I	By Foundation Capital VIII, L.P.(2)
Class B Common Stock	(1)	05/15/2026		C		299,627		(1)	(1)	Class A Common Stock	299,627	(1)	299,627	I	By Foundation Capital VIII Principals Fund, LLC(3)
Class B Common Stock	(1)	05/15/2026		C		1,091,411		(1)	(1)	Class A Common Stock	1,091,411	(1)	1,091,411	I	By Foundation Capital Leadership Fund II, L.P.(4)

Reporting Owners

Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
Foundation Capital Management Co. VIII, L.L.C. C/O FOUNDATION CAPITAL 550 HIGH STREET, 3RD FLOOR PALO ALTO, CA 94301		X
Foundation Capital VIII, L.P. C/O FOUNDATION CAPITAL 550 HIGH STREET, 3RD FLOOR PALO ALTO, CA 94301		X
Foundation Capital VIII Principals Fund, L.L.C. C/O FOUNDATION CAPITAL 550 HIGH STREET, 3RD FLOOR PALO ALTO, CA 94301		X
Foundation Capital Management Co. LF II, L.L.C. C/O FOUNDATION CAPITAL 550 HIGH STREET, 3RD FLOOR PALO ALTO, CA 94301		X
Foundation Capital Leadership Fund II, L.P. C/O FOUNDATION CAPITAL 550 HIGH STREET, 3RD FLOOR PALO ALTO, CA 94301		X

Signatures

Foundation Capital Management Co. VIII, L.L.C., By: /s/ Charles Moldow, Manager		05/19/2026
**Signature of Reporting Person		Date
Foundation Capital VIII, L.P., By: Foundation Capital Management Co. VIII, L.L.C., its General Partner, By: /s/ Charles Moldow, Manager		05/19/2026
**Signature of Reporting Person		Date
Foundation Capital VIII Principals Fund, L.L.C., By: Foundation Capital Management Co. VIII, L.L.C., its Manager, By: /s/ Charles Moldow, Manager		05/19/2026
**Signature of Reporting Person		Date
Foundation Capital Management Co. LF II, L.L.C., By: /s/ Charles Moldow, Manager		05/19/2026
**Signature of Reporting Person		Date
Foundation Capital Leadership Fund II, L.P., By: Foundation Capital Management Co. LF II, L.L.C., its General Partner, By: /s/ Charles Moldow, Manager		05/19/2026
**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)	Immediately prior to the closing of the Issuer's initial public offering, each share of the Issuer's redeemable convertible preferred stock automatically converted and was 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.
(2)	These securities are owned by Foundation Capital VIII, L.P. ("FC8"). Foundation Capital Management Co. VIII, L.L.C. ("FCM8") serves as the sole general partner of FC8 and, as such, FCM8 possesses voting and dispositive power over the shares held by FC8, and may be deemed to have indirect beneficial ownership of the shares held by FC8. FCM8 disclaims beneficial ownership of such securities except to the extent of its pecuniary interest therein.
(3)	These securities are owned by Foundation Capital VIII Principals Fund, L.L.C. ("FC8P"). FCM8 serves as the sole manager of FC8P and, as such, FCM8 possesses voting and dispositive power over the shares held by FC8P, and may be deemed to have indirect beneficial ownership of the shares held by FC8P. FCM8 disclaims beneficial ownership of such securities except to the extent of its pecuniary interest therein.
(4)	These securities are owned by Foundation Capital Leadership Fund II, L.P. ("FCL2"). Foundation Capital Management Co,. LF II, L.L.C. ("FCMLF2") serves as the sole general partner of FCL2 and, as such, FCMLF2 possesses voting and dispositive power over the shares held by FCL2, and may be deemed to have indirect beneficial ownership of the shares held by FCL2. FCMLF2 disclaims beneficial ownership of such securities except to the extent of its pecuniary interest therein.

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