FilingsForm 4

Cerebras Systems · Form 4 · Chief operating officer · Sale

From the public record

Filed Jun 29, 2026

Value$6.12 million

Shares36,131

Average price$169.28

FiledJun 29

The record

Issuer: Cerebras Systems (CIK 2021728, filed as Cerebras Systems Inc.)
Form: 4
Accession: 0001628280-26-046040
Filed: Jun 29, 2026
Period of report: Jun 25, 2026
Reporting owner: Mallick Dhiraj (CIK 2039572)
Relationship: officer (Chief Operating Officer)
Rule 10b5-1 checkbox: Not ticked
Line 1: C (conversion of a derivative security) · 69,445 Class A Common Stock · Jun 25, 2026 · acquired, directly · 69,445 held after · footnote F1
Line 2: S (sale) · 324 Class A Common Stock at $162.24 · Jun 25, 2026 · disposed, directly · 69,121 held after · footnotes F2 and F3
Line 3: S (sale) · 810 Class A Common Stock at $163.62 · Jun 25, 2026 · disposed, directly · 68,311 held after · footnotes F2 and F4
Line 4: S (sale) · 998 Class A Common Stock at $164.73 · Jun 25, 2026 · disposed, directly · 67,313 held after · footnotes F2 and F5
Line 5: S (sale) · 837 Class A Common Stock at $166.04 · Jun 25, 2026 · disposed, directly · 66,476 held after · footnotes F2 and F6
Line 6: S (sale) · 1,461 Class A Common Stock at $166.98 · Jun 25, 2026 · disposed, directly · 65,015 held after · footnotes F2 and F7
Line 7: S (sale) · 885 Class A Common Stock at $168.25 · Jun 25, 2026 · disposed, directly · 64,130 held after · footnotes F2 and F8
Line 8: S (sale) · 918 Class A Common Stock at $169.22 · Jun 25, 2026 · disposed, directly · 63,212 held after · footnotes F2 and F9
Line 9: S (sale) · 162 Class A Common Stock at $170.41 · Jun 25, 2026 · disposed, directly · 63,050 held after · footnotes F2 and F10
Line 10: S (sale) · 594 Class A Common Stock at $171.74 · Jun 25, 2026 · disposed, directly · 62,456 held after · footnotes F2 and F11
Line 11: S (sale) · 324 Class A Common Stock at $173.45 · Jun 25, 2026 · disposed, directly · 62,132 held after · footnotes F2 and F12
Line 12: S (sale) · 216 Class A Common Stock at $175.61 · Jun 25, 2026 · disposed, directly · 61,916 held after · footnote F2
Line 13: S (sale) · 270 Class A Common Stock at $178.92 · Jun 25, 2026 · disposed, directly · 61,646 held after · footnotes F2 and F13
Line 14: S (sale) · 594 Class A Common Stock at $180.18 · Jun 25, 2026 · disposed, directly · 61,052 held after · footnotes F2 and F14
Line 15: S (sale) · 270 Class A Common Stock at $181.23 · Jun 25, 2026 · disposed, directly · 60,782 held after · footnotes F2 and F15
Line 16: S (sale) · 162 Class A Common Stock at $182.50 · Jun 25, 2026 · disposed, directly · 60,620 held after · footnote F2
Line 17: S (sale) · 1,026 Class A Common Stock at $184.25 · Jun 25, 2026 · disposed, directly · 59,594 held after · footnotes F2 and F16
Line 18: S (sale) · 648 Class A Common Stock at $185.21 · Jun 25, 2026 · disposed, directly · 58,946 held after · footnotes F2 and F17
Line 19: S (sale) · 276 Class A Common Stock at $162.24 · Jun 25, 2026 · disposed, directly · 58,670 held after · footnote F3
Line 20: S (sale) · 690 Class A Common Stock at $163.62 · Jun 25, 2026 · disposed, directly · 57,980 held after · footnote F4
Line 21: S (sale) · 1,051 Class A Common Stock at $164.81 · Jun 25, 2026 · disposed, directly · 56,929 held after · footnote F5
Line 22: S (sale) · 2,198 Class A Common Stock at $166.05 · Jun 25, 2026 · disposed, directly · 54,731 held after · footnote F18
Line 23: S (sale) · 7,399 Class A Common Stock at $166.82 · Jun 25, 2026 · disposed, directly · 47,332 held after · footnote F19
Line 24: S (sale) · 4,106 Class A Common Stock at $167.78 · Jun 25, 2026 · disposed, directly · 43,226 held after · footnote F20
Line 25: S (sale) · 2,200 Class A Common Stock at $168.83 · Jun 25, 2026 · disposed, directly · 41,026 held after · footnote F21
Line 26: S (sale) · 484 Class A Common Stock at $170.17 · Jun 25, 2026 · disposed, directly · 40,542 held after · footnote F22
Line 27: S (sale) · 4,192 Class A Common Stock at $171.10 · Jun 25, 2026 · disposed, directly · 36,350 held after · footnote F23
Line 28: S (sale) · 2,560 Class A Common Stock at $172.02 · Jun 25, 2026 · disposed, directly · 33,790 held after · footnote F24
Line 29: S (sale) · 338 Class A Common Stock at $172.85 · Jun 25, 2026 · disposed, directly · 33,452 held after · footnote F25
Line 30: S (sale) · 138 Class A Common Stock at $173.71 · Jun 25, 2026 · disposed, directly · 33,314 held after · footnote F26
Derivative line 1: C (conversion of a derivative security) · 69,445 Class B Common Stock at $0.00 · Jun 25, 2026 · disposed, directly · 689,696 held after · footnotes F1 and F27
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 $162.24 to $162.96, 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 F4: The sale price reported in Column 4 of Table 1 represents the weighted average sale price of the shares sold ranging from $163.17 to $163.85, 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 $164.28 to $165.14, 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 $165.48 to $166.42, 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 $166.55 to $167.51, 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 $167.68 to $168.62, 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 F9: The sale price reported in Column 4 of Table 1 represents the weighted average sale price of the shares sold ranging from $168.93 to $169.67, 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 $170.11 to $170.92, 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 F11: The sale price reported in Column 4 of Table 1 represents the weighted average sale price of the shares sold ranging from $171.50 to $172.04, 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 $173.01 to $173.73, 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 $178.69 to $179.10, 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 $179.81 to $180.58, 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 $181.18 to $181.26, 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 $183.66 to $184.61, 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 $184.67 to $185.56, 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 $165.39 to $166.37, 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 $166.39 to $167.38, 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 $167.39 to $168.30, 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 $168.43 to $169.31, 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 $169.56 to $170.49, 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 $170.58 to $171.56, 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 $171.59 to $172.58, 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 $172.61 to $173.38, 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 F26: The sale price reported in Column 4 of Table 1 represents the weighted average sale price of the shares sold ranging from $173.69 to $173.73, 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 F27: The amount in Column 9 has been amended to deduct 42,857 shares in order to correct the Class B Common Stock held.
Remarks: This Form 4 is the first of two Forms 4 being filed by the Reporting Person relating to transactions that occurred on June 25, 2026 and June 26, 2026 (the "Transaction Dates"). Because there are more than 30 rows associated with the Reporting Person's transactions that occurred on the Transaction Dates, and EDGAR will not allow for the entry of more than 30 rows on a single Form 4, a second Form 4 is also filed to report the transactions that were not included on this first Form 4. The two Forms 4 filed by the Reporting Person on the date hereof should be read together as one consolidated filing.