Cerebras Systems director acquires 59,126 shares

The 59,126-share in-kind distribution was made under a plan Benchmark Capital Partners VIII adopted on May 14, 2026.

Rhea-AI Filing Summary

Cerebras Systems Inc. (CBRS) director Eric Vishria indirectly acquired 59,126 shares of Class A Common Stock on October 5, 2026, through entities he controls. Benchmark Capital Partners VIII, L.P. and affiliated funds distributed the shares pro rata in kind to partners, including their respective members and assignees, without additional consideration. After the transaction, entities controlled by Vishria held 334,980 shares. The distribution was made under a Rule 10b5-1 trading plan adopted by Benchmark Capital Partners VIII on May 14, 2026.

Insider Trade Summary 10b5-1

Other: 59,126 shares

Other 1 txn

Insider Vishria Eric

Role Director

Type	Security	Shares	Price	Value
Other	Class A Common Stock F1, F2	59,126	$0.00	$0.00

Holdings After Transaction: Class A Common Stock — 334,980 shares (Indirect, See Footnote)

Footnotes (2)

1. F1. Represents a pro-rata, in-kind distribution by Benchmark Capital Partners VIII, L.P. ("BCP VIII") and its affiliated funds, not for additional consideration, to its partners, including their respective members and assignees, in accordance with a Rule 10b5-1 trading plan adopted by BCP VIII on May 14, 2026.
2. F2. Shares are held by entities controlled by the reporting person.

Key Figures

Shares acquired: 59,126 shares Shares held after transaction: 334,980 shares Trading plan adoption date: May 14, 2026

3 metrics

Shares acquired 59,126 shares Indirect acquisition on October 5, 2026

Shares held after transaction 334,980 shares Held by entities controlled by Eric Vishria

Trading plan adoption date May 14, 2026 Rule 10b5-1 trading plan adopted by Benchmark Capital Partners VIII

Key Terms

pro-rata, in-kind distribution, Rule 10b5-1 trading plan, Class A Common Stock

3 terms

pro-rata, in-kind distribution financial

"a pro-rata, in-kind distribution"

Rule 10b5-1 trading plan regulatory

"in accordance with a Rule 10b5-1 trading plan"

A Rule 10b5-1 trading plan is a pre-arranged schedule that allows company insiders to buy or sell stock at specific times, even if they have inside information. It helps prevent accusations of unfair trading by making these transactions look planned and transparent, rather than sneaky or illegal.

Class A Common Stock financial

"Class A Common Stock"

Class A common stock is a category of a company’s shares that carries a specific set of ownership rights—most commonly defined voting power and claims on dividends—set out in the company’s charter. For investors it matters because the class determines how much influence you have over corporate decisions, the share’s likely dividend and trading behavior, and how it compares in value to other share classes, like choosing a particular seat with different privileges at the company’s decision-making table.

FAQ

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

How many CBRS shares did Eric Vishria acquire?

Entities controlled by director Eric Vishria indirectly acquired 59,126 shares of Class A Common Stock on October 5, 2026, in a pro-rata, in-kind distribution by Benchmark Capital Partners VIII, L.P. and affiliated funds. The distribution was made under a Rule 10b5-1 trading plan adopted by Benchmark Capital Partners VIII on May 14, 2026; the entities held 334,980 shares afterward.

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

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Available on EDGAR 10/07/2026 - 05:48 PM Accepted by SEC EDGAR 10/07/2026 - 05:48 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).

X

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^*

Vishria Eric

(Last) (First) (Middle)

C/O BENCHMARK 2965

WOODSIDE ROAD

(Street)

WOODSIDE CALIFORNIA 94062

(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
	Officer (give title below)		Other (specify below)

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)		59,126	A	$0.00	334,980	I	See Footnote(2)

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 by Benchmark Capital Partners VIII, L.P. ("BCP VIII") and its affiliated funds, not for additional consideration, to its partners, including their respective members and assignees, in accordance with a Rule 10b5-1 trading plan adopted by BCP VIII on May 14, 2026.

2. Shares are held by entities controlled by the reporting person.

	/s/ An-Yen Hu, by power of attorney for Eric Vishria	10/07/2026
	** 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)