FilingsForm 4

Cerebras Systems · Form 4 · Chief executive officer · Sale

From the public record

Filed Jun 29, 2026

Value$3.11 million

Shares17,990

Average price$173.06

FiledJun 29

The record

Issuer: Cerebras Systems (CIK 2021728, filed as Cerebras Systems Inc.)
Form: 4
Accession: 0001628280-26-046034
Filed: Jun 29, 2026
Period of report: Jun 25, 2026
Reporting owner: Andrew Feldman (CIK 2039573, filed as Feldman Andrew D.)
Relationship: director and officer (CEO, President)
Rule 10b5-1 checkbox: Not ticked
Line 1: C (conversion of a derivative security) · 17,990 Class A Common Stock · Jun 25, 2026 · acquired, directly · 17,990 held after · footnote F1
Line 2: S (sale) · 4,028 Class A Common Stock at $169.07 · Jun 25, 2026 · disposed, directly · 13,962 held after · footnotes F2 and F3
Line 3: S (sale) · 8,602 Class A Common Stock at $170.58 · Jun 25, 2026 · disposed, directly · 5,360 held after · footnotes F2 and F4
Line 4: S (sale) · 700 Class A Common Stock at $171.53 · Jun 25, 2026 · disposed, directly · 4,660 held after · footnotes F2 and F5
Line 5: S (sale) · 160 Class A Common Stock at $172.03 · Jun 25, 2026 · disposed, directly · 4,500 held after · footnotes F2 and F6
Line 6: S (sale) · 400 Class A Common Stock at $173.50 · Jun 25, 2026 · disposed, directly · 4,100 held after · footnotes F2 and F7
Line 7: S (sale) · 300 Class A Common Stock at $175.70 · Jun 25, 2026 · disposed, directly · 3,800 held after · footnotes F2 and F8
Line 8: S (sale) · 300 Class A Common Stock at $178.81 · Jun 25, 2026 · disposed, directly · 3,500 held after · footnotes F2 and F9
Line 9: S (sale) · 400 Class A Common Stock at $180.25 · Jun 25, 2026 · disposed, directly · 3,100 held after · footnotes F2 and F10
Line 10: S (sale) · 500 Class A Common Stock at $181.15 · Jun 25, 2026 · disposed, directly · 2,600 held after · footnotes F2 and F11
Line 11: S (sale) · 400 Class A Common Stock at $182.55 · Jun 25, 2026 · disposed, directly · 2,200 held after · footnotes F2 and F12
Line 12: S (sale) · 500 Class A Common Stock at $183.71 · Jun 25, 2026 · disposed, directly · 1,700 held after · footnotes F2 and F13
Line 13: S (sale) · 1,700 Class A Common Stock at $184.73 · Jun 25, 2026 · disposed, directly · 0 held after · footnotes F2 and F14
Derivative line 1: C (conversion of a derivative security) · 17,990 Class B Common Stock at $0.00 · Jun 25, 2026 · disposed, directly · 14,038,631 held after · footnote F1
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 $168.90 to $169.87, 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 $169.90 to $170.60, 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 $170.90 to $171.71, 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 $171.92 to $172.09, 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 $173.18 to $173.81, 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 $175.61 to $175.87, 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 $178.51 to $179.06, 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 $179.79 to $180.69, 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 $181.01 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 F12: The sale price reported in Column 4 of Table 1 represents the weighted average sale price of the shares sold ranging from $182.28 to $183.14, 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 F13: The sale price reported in Column 4 of Table 1 represents the weighted average sale price of the shares sold ranging from $183.51 to $184.04, 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 F14: The sale price reported in Column 4 of Table 1 represents the weighted average sale price of the shares sold ranging from $184.51 to $185.01, 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.