Cerebras Systems CEO's trust acquires 159 shares

The trust's reported Class A position after the distribution was 1,085 shares, while Feldman's separate direct position was 16,853 Class A shares.

Rhea-AI Filing Summary

Cerebras Systems Inc. (CBRS) CEO and President Andrew D. Feldman reported that the Feldman Bravo Family Trust acquired 159 shares of Class A Common Stock on October 5, 2026, through a pro-rata, in-kind distribution not for additional consideration. The trust's reported Class A holdings following the transaction were 1,085 shares. Feldman separately reported direct holdings of 16,853 Class A shares; that reported figure excludes Class B shares and unexercised stock options.

Insider Trade Summary

Other: 159 shares

Other 2 txns

Insider Feldman Andrew D.

Role CEO, President

Type	Security	Shares	Price	Value
Other	Class A Common Stock F1	159	$0.00	$0.00
holding	Class A Common Stock F2	--	--	--

Holdings After Transaction: Class A Common Stock — 1,085 shares (Indirect, By Feldman Bravo Family Trust); Class A Common Stock — 16,853 shares (Direct)

Footnotes (2)

1. F1. Represents a pro-rata, in-kind distribution not for additional consideration.
2. F2. The total number of Class A Common Stock reported in Column 5 does not reflect Class B Common Stock or unexercised stock options directly or indirectly beneficially owned by the Reporting Person, which may be found in previously filed Forms 3 and 4.

Key Figures

Class A shares acquired: 159 shares Trust's Class A holdings after transaction: 1,085 shares Andrew D. Feldman's direct Class A holdings: 16,853 shares

3 metrics

Class A shares acquired 159 shares Pro-rata, in-kind distribution on October 5, 2026

Trust's Class A holdings after transaction 1,085 shares Following the October 5, 2026 transaction

Andrew D. Feldman's direct Class A holdings 16,853 shares Reported on October 5, 2026

Key Terms

pro-rata, in-kind distribution, beneficially owned, unexercised stock options

3 terms

pro-rata, in-kind distribution financial

"a pro-rata, in-kind distribution not for additional consideration"

beneficially owned financial

"directly or indirectly beneficially owned by the Reporting Person"

Beneficially owned describes securities or assets where a person has the economic rights and control—such as the right to receive dividends and to direct voting—even if legal title is held in another name. Think of it like having the keys and using a car that’s registered to someone else: you get the benefits and make decisions. Investors care because beneficial ownership reveals who truly controls value and voting power, affecting corporate decisions and takeover dynamics.

unexercised stock options financial

"Class B Common Stock or unexercised stock options"

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

How many CBRS shares did the Feldman Bravo Family Trust receive?

The Feldman Bravo Family Trust received 159 shares of Class A Common Stock on October 5, 2026, in a pro-rata, in-kind distribution not for additional consideration. Its reported Class A holdings following the transaction were 1,085 shares.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Available on EDGAR 10/06/2026 - 04:52 PM Accepted by SEC EDGAR 10/06/2026 - 04:51 PM Learn about SEC filing dates

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

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:			3235-0287
Estimated average burden
hours per response:			0.5

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 for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

Feldman Andrew D.

(Last) (First) (Middle)

C/O CEREBRAS SYSTEMS INC.

1237 E. ARQUES AVENUE

(Street)

SUNNYVALE CALIFORNIA 94085

(City) (State) (Zip)

UNITED STATES

(Country)

2. Issuer Name and Ticker or Trading Symbol
Cerebras Systems Inc. [ CBRS ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

X	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	CEO, President

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
10/05/2026

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

4. If Amendment, Date of Original Filed (Month/Day/Year)

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	10/05/2026		J(1)		159	A	$0	1,085	I	By Feldman Bravo Family Trust
Class A Common Stock								16,853(2)	D

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 Securities Underlying Derivative Security (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: 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

Explanation of Responses:

1. Represents a pro-rata, in-kind distribution not for additional consideration.

2. The total number of Class A Common Stock reported in Column 5 does not reflect Class B Common Stock or unexercised stock options directly or indirectly beneficially owned by the Reporting Person, which may be found in previously filed Forms 3 and 4.

Remarks:

	/s/ Robert Mills, Attorney-in-fact	10/06/2026
	** 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.
* Form 4: SEC 1474 (03-26)