Yagnesh Patel - 18 Aug 2026 Form 4 Insider Report for Cerebras Systems Inc. (CBRS)

Reporting relationship: Chief Accounting Officer
Issuer ticker: CBRS
Reported as of: 18 Aug 2026
Net transaction value: -$1,016,445
SEC form: 4
Accepted by SEC: 20 Aug 2026, 20:10:51 UTC
Prior SEC filing: 29 Jun 2026
Next SEC filing: 30 Sep 2026
Source filing: View source filing
Reporting owner signature: /s/ Robert Mills, Attorney-in-fact

Filing notes and source

Key filing fact

Yagnesh Patel filed Form 4 for Cerebras Systems Inc. (CBRS) on 20 Aug 2026.

Key facts

This page summarizes Yagnesh Patel's Form 4 filing for Cerebras Systems Inc. (CBRS).
27 reported transactions and 1 derivative row are listed below.
Accepted by SEC: 20 Aug 2026, 20:10.

Change

Previous filing in this sequence was filed on 29 Jun 2026.
Current net transaction value: -$1,016,445.

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 0001702410 Primary reporting owner

Patel Yagnesh

Relationship: Chief Accounting Officer
Address: C/O CEREBRAS SYSTEMS INC., 1237 E. ARQUES AVENUE, SUNNYVALE
Signature: /s/ Robert Mills, Attorney-in-fact
Signature date: 20 Aug 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: +6,250
Change %: +42%
Price
Shares after: 21,250
Date: 18 Aug 2026
Ownership: Direct
Footnotes: F1

CBRS transaction

Class A Common Stock

Sale

Transaction value: $49,173
Shares: -228
Change %: -1.1%
Price: $215.67
Shares after: 21,022
Date: 18 Aug 2026
Ownership: Direct
Footnotes: F2, F3

CBRS transaction

Class A Common Stock

Sale

Transaction value: $84,180
Shares: -389
Change %: -1.9%
Price: $216.40
Shares after: 20,633
Date: 18 Aug 2026
Ownership: Direct
Footnotes: F2, F4

CBRS transaction

Class A Common Stock

Sale

Transaction value: $62,881
Shares: -289
Change %: -1.4%
Price: $217.58
Shares after: 20,344
Date: 18 Aug 2026
Ownership: Direct
Footnotes: F2, F5

CBRS transaction

Class A Common Stock

Sale

Transaction value: $78,456
Shares: -359
Change %: -1.8%
Price: $218.54
Shares after: 19,985
Date: 18 Aug 2026
Ownership: Direct
Footnotes: F2, F6

CBRS transaction

Class A Common Stock

Sale

Transaction value: $89,589
Shares: -408
Change %: -2%
Price: $219.58
Shares after: 19,577
Date: 18 Aug 2026
Ownership: Direct
Footnotes: F2, F7

CBRS transaction

Class A Common Stock

Sale

Transaction value: $176,564
Shares: -801
Change %: -4.1%
Price: $220.43
Shares after: 18,776
Date: 18 Aug 2026
Ownership: Direct
Footnotes: F2, F8

CBRS transaction

Class A Common Stock

Sale

Transaction value: $162,559
Shares: -734
Change %: -3.9%
Price: $221.47
Shares after: 18,042
Date: 18 Aug 2026
Ownership: Direct
Footnotes: F2, F9

CBRS transaction

Class A Common Stock

Sale

Transaction value: $76,512
Shares: -344
Change %: -1.9%
Price: $222.42
Shares after: 17,698
Date: 18 Aug 2026
Ownership: Direct
Footnotes: F2, F10

CBRS transaction

Class A Common Stock

Sale

Transaction value: $23,695
Shares: -106
Change %: -0.6%
Price: $223.54
Shares after: 17,592
Date: 18 Aug 2026
Ownership: Direct
Footnotes: F2, F11

CBRS transaction

Class A Common Stock

Sale

Transaction value: $9,654
Shares: -43
Change %: -0.24%
Price: $224.52
Shares after: 17,549
Date: 18 Aug 2026
Ownership: Direct
Footnotes: F2, F12

CBRS transaction

Class A Common Stock

Sale

Transaction value: $16,237
Shares: -72
Change %: -0.41%
Price: $225.51
Shares after: 17,477
Date: 18 Aug 2026
Ownership: Direct
Footnotes: F2, F13

CBRS transaction

Class A Common Stock

Sale

Transaction value: $22,193
Shares: -98
Change %: -0.56%
Price: $226.46
Shares after: 17,379
Date: 18 Aug 2026
Ownership: Direct
Footnotes: F2, F14

CBRS transaction

Class A Common Stock

Sale

Transaction value: $17,053
Shares: -75
Change %: -0.43%
Price: $227.37
Shares after: 17,304
Date: 18 Aug 2026
Ownership: Direct
Footnotes: F2, F15

CBRS transaction

Class A Common Stock

Sale

Transaction value: $4,571
Shares: -20
Change %: -0.12%
Price: $228.53
Shares after: 17,284
Date: 18 Aug 2026
Ownership: Direct
Footnotes: F2, F16

CBRS transaction

Class A Common Stock

Sale

Transaction value: $7,343
Shares: -32
Change %: -0.19%
Price: $229.46
Shares after: 17,252
Date: 18 Aug 2026
Ownership: Direct
Footnotes: F2, F17

CBRS transaction

Class A Common Stock

Sale

Transaction value: $2,307
Shares: -10
Change %: -0.06%
Price: $230.67
Shares after: 17,242
Date: 18 Aug 2026
Ownership: Direct
Footnotes: F2, F18

CBRS transaction

Class A Common Stock

Sale

Transaction value: $12,042
Shares: -52
Change %: -0.3%
Price: $231.57
Shares after: 17,190
Date: 18 Aug 2026
Ownership: Direct
Footnotes: F2, F19

CBRS transaction

Class A Common Stock

Sale

Transaction value: $13,957
Shares: -60
Change %: -0.35%
Price: $232.62
Shares after: 17,130
Date: 18 Aug 2026
Ownership: Direct
Footnotes: F2, F20

CBRS transaction

Class A Common Stock

Sale

Transaction value: $11,199
Shares: -48
Change %: -0.28%
Price: $233.31
Shares after: 17,082
Date: 18 Aug 2026
Ownership: Direct
Footnotes: F2, F21

CBRS transaction

Class A Common Stock

Sale

Transaction value: $29,778
Shares: -127
Change %: -0.74%
Price: $234.47
Shares after: 16,955
Date: 18 Aug 2026
Ownership: Direct
Footnotes: F2, F22

CBRS transaction

Class A Common Stock

Sale

Transaction value: $15,308
Shares: -65
Change %: -0.38%
Price: $235.50
Shares after: 16,890
Date: 18 Aug 2026
Ownership: Direct
Footnotes: F2, F23

CBRS transaction

Class A Common Stock

Sale

Transaction value: $10,403
Shares: -44
Change %: -0.26%
Price: $236.43
Shares after: 16,846
Date: 18 Aug 2026
Ownership: Direct
Footnotes: F2, F24

CBRS transaction

Class A Common Stock

Sale

Transaction value: $474
Shares: -2
Change %: -0.01%
Price: $237.23
Shares after: 16,844
Date: 18 Aug 2026
Ownership: Direct
Footnotes: F2

CBRS transaction

Class A Common Stock

Sale

Transaction value: $478
Shares: -2
Change %: -0.01%
Price: $238.78
Shares after: 16,842
Date: 18 Aug 2026
Ownership: Direct
Footnotes: F2

CBRS transaction

Class A Common Stock

Sale

Transaction value: $39,842
Shares: -166
Change %: -0.99%
Price: $240.01
Shares after: 16,676
Date: 18 Aug 2026
Ownership: Direct
Footnotes: F2, F25

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: -6,250
Change %: -5.2%
Price
Shares after: 114,588
Date: 18 Aug 2026
Ownership: Direct
Underlying class: Class A Common Stock
Underlying amount: 6,250
Exercise price
Footnotes: F1

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

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 25 footnotes

Footnote F1

The Class B Common Stock is convertible into an equal number of Class A Common Stock at any time, at the Reporting Person's election, and has no expiration date.

Footnote F2

These shares were sold by the Reporting Person to cover tax withholding obligations in connection with the settlement of restricted stock units, resulting in the automatic conversion of the shares into Class A Common Stock immediately prior to execution of the sale. The sale was to satisfy tax withholding obligations to be funded by a "sell to cover" transaction and does not represent a discretionary transaction by the Reporting Person. The Reporting Person is subject to a lock-up agreement that that was entered into with underwriters in connection with the Issuer's initial public offering and expires on the earlier of (i) 6:00 a.m. Eastern Time on the second trading day following the Issuer's release of earnings for the quarter ending September 30, 2026 or (ii) November 9, 2026. The sale of shares is a permissible exemption under the terms of the lock-up agreement.

Footnote F3

The sale price reported in Column 4 of Table 1 represents the weighted average sale price of the shares sold ranging from $215.01 to $215.99, inclusive. Upon request by the staff of the Securities and Exchange commission, the Issuer, or a security holder of the Issuer, the Reporting Person will provide full information regarding the number of shares sold at each separate price.

Footnote F4

The sale price reported in Column 4 of Table 1 represents the weighted average sale price of the shares sold ranging from $216.00 to $216.99, inclusive. Upon request by the staff of the Securities and Exchange commission, the Issuer, or a security holder of the Issuer, the Reporting Person will provide full information regarding the number of shares sold at each separate price.

Footnote F5

The sale price reported in Column 4 of Table 1 represents the weighted average sale price of the shares sold ranging from $217.00 to $217.99, inclusive. Upon request by the staff of the Securities and Exchange commission, the Issuer, or a security holder of the Issuer, the Reporting Person will provide full information regarding the number of shares sold at each separate price.

Footnote F6

The sale price reported in Column 4 of Table 1 represents the weighted average sale price of the shares sold ranging from $218.00 to $218.99, inclusive. Upon request by the staff of the Securities and Exchange commission, the Issuer, or a security holder of the Issuer, the Reporting Person will provide full information regarding the number of shares sold at each separate price.

Footnote F7

The sale price reported in Column 4 of Table 1 represents the weighted average sale price of the shares sold ranging from $219.00 to $219.99, inclusive. Upon request by the staff of the Securities and Exchange commission, the Issuer, or a security holder of the Issuer, the Reporting Person will provide full information regarding the number of shares sold at each separate price.

Footnote F8

The sale price reported in Column 4 of Table 1 represents the weighted average sale price of the shares sold ranging from $220.00 to $220.99, inclusive. Upon request by the staff of the Securities and Exchange commission, the Issuer, or a security holder of the Issuer, the Reporting Person will provide full information regarding the number of shares sold at each separate pric

Footnote F9

The sale price reported in Column 4 of Table 1 represents the weighted average sale price of the shares sold ranging from $221.00 to $221.99, inclusive. Upon request by the staff of the Securities and Exchange commission, the Issuer, or a security holder of the Issuer, the Reporting Person will provide full information regarding the number of shares sold at each separate price.

Footnote F10

The sale price reported in Column 4 of Table 1 represents the weighted average sale price of the shares sold ranging from $222.00 to $222.99, inclusive. Upon request by the staff of the Securities and Exchange commission, the Issuer, or a security holder of the Issuer, the Reporting Person will provide full information regarding the number of shares sold at each separate price.

Footnote F11

The sale price reported in Column 4 of Table 1 represents the weighted average sale price of the shares sold ranging from $223.00 to $223.99, inclusive. Upon request by the staff of the Securities and Exchange commission, the Issuer, or a security holder of the Issuer, the Reporting Person will provide full information regarding the number of shares sold at each separate price.

Footnote F12

The sale price reported in Column 4 of Table 1 represents the weighted average sale price of the shares sold ranging from $224.12 to $224.92, inclusive. Upon request by the staff of the Securities and Exchange commission, the Issuer, or a security holder of the Issuer, the Reporting Person will provide full information regarding the number of shares sold at each separate price.

Footnote F13

The sale price reported in Column 4 of Table 1 represents the weighted average sale price of the shares sold ranging from $225.01 to $225.98, inclusive. Upon request by the staff of the Securities and Exchange commission, the Issuer, or a security holder of the Issuer, the Reporting Person will provide full information regarding the number of shares sold at each separate price.

Footnote F14

The sale price reported in Column 4 of Table 1 represents the weighted average sale price of the shares sold ranging from $226.01 to $226.97, inclusive. Upon request by the staff of the Securities and Exchange commission, the Issuer, or a security holder of the Issuer, the Reporting Person will provide full information regarding the number of shares sold at each separate price.

Footnote F15

The sale price reported in Column 4 of Table 1 represents the weighted average sale price of the shares sold ranging from $227.01 to $227.96, inclusive. Upon request by the staff of the Securities and Exchange commission, the Issuer, or a security holder of the Issuer, the Reporting Person will provide full information regarding the number of shares sold at each separate price.

Footnote F16

The sale price reported in Column 4 of Table 1 represents the weighted average sale price of the shares sold ranging from $228.01 to $228.99, inclusive. Upon request by the staff of the Securities and Exchange commission, the Issuer, or a security holder of the Issuer, the Reporting Person will provide full information regarding the number of shares sold at each separate price.

Footnote F17

The sale price reported in Column 4 of Table 1 represents the weighted average sale price of the shares sold ranging from $229.00 to $229.88, inclusive. Upon request by the staff of the Securities and Exchange commission, the Issuer, or a security holder of the Issuer, the Reporting Person will provide full information regarding the number of shares sold at each separate price.

Footnote F18

The sale price reported in Column 4 of Table 1 represents the weighted average sale price of the shares sold ranging from $230.11 to $230.99, inclusive. Upon request by the staff of the Securities and Exchange commission, the Issuer, or a security holder of the Issuer, the Reporting Person will provide full information regarding the number of shares sold at each separate price.

Footnote F19

The sale price reported in Column 4 of Table 1 represents the weighted average sale price of the shares sold ranging from $231.12 to $231.99, inclusive. Upon request by the staff of the Securities and Exchange commission, the Issuer, or a security holder of the Issuer, the Reporting Person will provide full information regarding the number of shares sold at each separate price.

Footnote F20

The sale price reported in Column 4 of Table 1 represents the weighted average sale price of the shares sold ranging from $232.05 to $232.99, inclusive. Upon request by the staff of the Securities and Exchange commission, the Issuer, or a security holder of the Issuer, the Reporting Person will provide full information regarding the number of shares sold at each separate price.

Footnote F21

The sale price reported in Column 4 of Table 1 represents the weighted average sale price of the shares sold ranging from $233.00 to $233.92, inclusive. Upon request by the staff of the Securities and Exchange commission, the Issuer, or a security holder of the Issuer, the Reporting Person will provide full information regarding the number of shares sold at each separate price.

Footnote F22

The sale price reported in Column 4 of Table 1 represents the weighted average sale price of the shares sold ranging from $234.04 to $234.99, inclusive. Upon request by the staff of the Securities and Exchange commission, the Issuer, or a security holder of the Issuer, the Reporting Person will provide full information regarding the number of shares sold at each separate price.

Footnote F23

The sale price reported in Column 4 of Table 1 represents the weighted average sale price of the shares sold ranging from $235.00 to $235.99, inclusive. Upon request by the staff of the Securities and Exchange commission, the Issuer, or a security holder of the Issuer, the Reporting Person will provide full information regarding the number of shares sold at each separate price.

Footnote F24

The sale price reported in Column 4 of Table 1 represents the weighted average sale price of the shares sold ranging from $236.01 to $236.97, inclusive. Upon request by the staff of the Securities and Exchange commission, the Issuer, or a security holder of the Issuer, the Reporting Person will provide full information regarding the number of shares sold at each separate price.

Footnote F25

The sale price reported in Column 4 of Table 1 represents the weighted average sale price of the shares sold ranging from $240.00 to $240.01, inclusive. Upon request by the staff of the Securities and Exchange commission, the Issuer, or a security holder of the Issuer, the Reporting Person will provide full information regarding the number of shares sold at each separate price.