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[Form 4] Cerebras Systems Inc. Insider Trading Activity

Filing Impact
(Very High)
Filing Sentiment
(Neutral)
Form Type
4

Rhea-AI Filing Summary

Cerebras Systems Inc. Chief Accounting Officer Yagnesh Patel reported routine share movements related to equity compensation and the company’s initial public offering structure. On May 13, 2026, 19,083 shares of Class A common stock were withheld at $185.00 per share to satisfy tax liabilities on vesting restricted stock units, which the company notes was not a market sale.

On May 15, 2026, 130,917 shares of Class A common stock beneficially owned by Patel, including shares underlying RSU and option awards, were reclassified into 130,917 shares of Class B common stock in an exempt transaction under Rule 16b-7. Following these changes, Patel holds 130,917 shares of Class B common stock, each convertible at any time into one share of Class A common stock.

Positive

  • None.

Negative

  • None.
Insider Patel Yagnesh
Role Chief Accounting Officer
Type Security Shares Price Value
Other Class B Common Stock 130,917 $0.00 --
Other Class A Common Stock 130,917 $0.00 --
Tax Withholding Class A Common Stock 19,083 $185.00 $3.53M
Holdings After Transaction: Class B Common Stock — 130,917 shares (Direct, null); Class A Common Stock — 0 shares (Direct, null)
Footnotes (1)
  1. Represents shares withheld by the Issuer to satisfy tax liability on vesting of restricted stock units. Not a market sale. 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.
Form 4 Insider Transactions: What Each Field Means →
SEC Form 4
FORM 4UNITED 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*
Patel Yagnesh
(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)
Director10% Owner
XOfficer (give title below)Other (specify below)
Chief Accounting Officer
2a. Foreign Trading Symbol
3. Date of Earliest Transaction (Month/Day/Year)
05/13/2026		6. Individual or Joint/Group Filing (Check Applicable Line)
XForm 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)
CodeVAmount(A) or (D)Price
Class A Common Stock05/13/2026F(1)19,083D$185130,917D
Class A Common Stock05/15/2026J(2)130,917D(2)0D
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)
CodeV(A)(D)Date ExercisableExpiration DateTitleAmount or Number of Shares
Class B Common Stock(2)05/15/2026J(2)130,917 (2) (2)Class A Common Stock130,917(2)130,917D
Explanation of Responses:
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.
Remarks:
/s/ Shirley Li, Attorney-in-Fact05/15/2026
** Signature of Reporting PersonDate
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)

Source: View Original Filing on SEC EDGAR