Lior Susan - 11 Jun 2026 Form 4 Insider Report for Cerebras Systems Inc. (CBRS)

Reporting relationship: Director
Issuer ticker: CBRS
Reported as of: 11 Jun 2026
Net transaction value: $0
SEC form: 4
Accepted by SEC: 12 Jun 2026, 18:14:53 UTC
Prior SEC filing: 15 May 2026
Next SEC filing: 26 Jun 2026
Source filing: View source filing
Reporting owner signature: /s/ Lior Susan

Key filing fact

Lior Susan filed Form 4 for Cerebras Systems Inc. (CBRS) on 12 Jun 2026.

Key facts

This page summarizes Lior Susan's Form 4 filing for Cerebras Systems Inc. (CBRS).
2 reported transactions and 1 derivative row are listed below.
Accepted by SEC: 12 Jun 2026, 18:14.

Change

Previous filing in this sequence was filed on 15 May 2026.
Current net transaction value: $0.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0001832895 Primary reporting owner

Susan Lior

Relationship: Director
Address: C/O CEREBRAS SYSTEMS INC., 1237 E. ARQUES AVENUE, SUNNYVALE
Signature: /s/ Lior Susan
Signature date: 12 Jun 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

CBRS transaction

Class A Common Stock

Conversion of derivative security

Transaction value
Shares: +13,466,197
Change %
Price
Shares after: 13,466,197
Date: 11 Jun 2026
Ownership: See footnotes
Footnotes: F1, F2

Reported derivative securities

Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.

CBRS transaction Derivative

Class B Common Stock

Conversion of derivative security

Transaction value
Shares: -13,466,197
Change %: -100%
Price
Shares after: 0
Date: 11 Jun 2026
Ownership: See footnotes
Underlying class: Class A Common Stock
Underlying amount: 13,466,197
Exercise price
Footnotes: F1, F3

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 3 footnotes

Footnote F1

Represents shares of Class A common stock that were acquired by the Reporting Person upon voluntary conversion of shares of Class B common stock.

Footnote F2

Consists of (i) 800,358 shares of Class A common stock held by Eclipse Continuity Fund I, L.P. ("Eclipse Continuity Fund"); (ii) 6,548,466 shares of Class A common stock held by Eclipse SPV II, L.P. ("Eclipse SPV II"); (iii) 599,880 shares of Class A common stock held by Eclipse SPV XIII, L.P. ("Eclipse SPV XIII"); and (iv) 5,517,493 shares of Class A common stock held by Eclipse Ventures Fund I, L.P. ("Eclipse Fund," and together with Eclipse Continuity Fund, Eclipse SPV II, and Eclipse SPV XIII, "Eclipse Entities"). The Reporting Person is the sole managing member of the general partner of each of the Eclipse Entities and may be deemed to have voting, investment, and dispositive power with respect to the shares held by such entities.

Footnote F3

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. On June 11, 2026, the following shares held by the Eclipse Entities were voluntarily converted to Class A common stock: (i) 800,358 shares of Class B common stock held by Eclipse Continuity Fund, (ii) 6,548,466 shares of Class B common stock held by Eclipse SPV II, (iii) 599,880 shares of Class B common stock held by Eclipse SPV XIII, and (iv) 5,517,493 shares of Class B common stock held by Eclipse Fund.