Cerebras Systems Inc.
Dhiraj Mallick (Chief Operating Officer) sells CBRS shares
About this filing
Cerebras Systems Inc. (CBRS) filed Form 4 (insider transaction) with the SEC on Sep 30, 2026. Form 4 reports a company insider’s trades in the company’s shares.
Key facts
- Insider
- Dhiraj Mallick · Chief Operating Officer
Rule 10b5-1 plan · adopted Jun 30, 2026
| Date | Transaction | Shares | Price | Value | Held after | Ownership |
|---|---|---|---|---|---|---|
| Sep 29, 2026 | C · conversionFootnotes F1 | +276,000 | $0.00 | $0.00 | 396,000 | Direct |
| Sep 29, 2026 | S · open-market saleFootnotes F2, F3 | −598 | $212.93 | $127,332.14 | 395,402 | Direct |
| Sep 29, 2026 | S · open-market saleFootnotes F2, F4 | −18,274 | $212.20 | $3,877,742.80 | 377,128 | Direct |
| Sep 29, 2026 | S · open-market saleFootnotes F2, F5 | −41,391 | $211.29 | $8,745,504.39 | 335,737 | Direct |
| Sep 29, 2026 | S · open-market saleFootnotes F2, F6 | −46,427 | $210.27 | $9,762,205.29 | 289,310 | Direct |
| Sep 29, 2026 | S · open-market saleFootnotes F2, F7 | −41,278 | $209.33 | $8,640,723.74 | 248,032 | Direct |
| Sep 29, 2026 | S · open-market saleFootnotes F2, F8 | −20,714 | $208.38 | $4,316,383.32 | 227,318 | Direct |
| Sep 29, 2026 | S · open-market saleFootnotes F2, F9 | −9,652 | $207.06 | $1,998,543.12 | 217,666 | Direct |
| Sep 29, 2026 | S · open-market saleFootnotes F2, F10 | −9,047 | $206.13 | $1,864,858.11 | 208,619 | Direct |
| Sep 29, 2026 | S · open-market saleFootnotes F2, F11 | −8,729 | $205.17 | $1,790,928.93 | 199,890 | Direct |
| Sep 29, 2026 | S · open-market saleFootnotes F2, F12 | −27,492 | $204.17 | $5,613,041.64 | 172,398 | Direct |
| Sep 29, 2026 | S · open-market saleFootnotes F2, F13 | −9,682 | $203.37 | $1,969,028.34 | 162,716 | Direct |
| Sep 29, 2026 | S · open-market saleFootnotes F2, F14 | −5,637 | $201.91 | $1,138,166.67 | 157,079 | Direct |
| Sep 29, 2026 | S · open-market saleFootnotes F2, F15 | −22,915 | $200.96 | $4,604,998.40 | 134,164 | Direct |
| Sep 29, 2026 | S · open-market saleFootnotes F2, F16 | −17,848 | $199.89 | $3,567,636.72 | 116,316 | Direct |
| Sep 29, 2026 | S · open-market saleFootnotes F2, F17 | −17,000 | $198.96 | $3,382,320.00 | 99,316 | Direct |
| Sep 29, 2026 | S · open-market saleFootnotes F2, F18 | −5,170 | $197.85 | $1,022,884.50 | 94,146 | Direct |
| Sep 29, 2026 | S · open-market saleFootnotes F2, F19 | −6,613 | $197.05 | $1,303,091.65 | 87,533 | Direct |
| Sep 29, 2026 | S · open-market saleFootnotes F2, F20 | −18,703 | $195.56 | $3,657,558.68 | 68,830 | Direct |
| Sep 29, 2026 | S · open-market saleFootnotes F2, F21 | −68,830 | $194.91 | $13,415,655.30 | 0 | Direct |
| Sep 29, 2026 | M · exercise or conversion of a derivativeStock OptionFootnotes F22 | −276,000 | $0.00 | $0.00 | 91,370 | Direct |
| Sep 29, 2026 | M · exercise or conversion of a derivativeClass B Common StockFootnotes F1 | +276,000 | $0.00 | $0.00 | 796,807 | Direct |
| Sep 29, 2026 | C · conversionClass B Common StockFootnotes F1 | −276,000 | $0.00 | $0.00 | 520,807 | Direct |
Footnotes
- 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.
- F2 The sale reported on this Form 4 represents shares sold by the Reporting Person pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on June 30, 2026
- F3 The sale price reported in Column 4 of Table 1 represents the weighted average sale price of the shares sold ranging from $212.92 to $212.94, 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.
- F4 The sale price reported in Column 4 of Table 1 represents the weighted average sale price of the shares sold ranging from $211.81 to $212.80, 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.
- F5 The sale price reported in Column 4 of Table 1 represents the weighted average sale price of the shares sold ranging from $210.81 to $211.81, 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.
- F6 The sale price reported in Column 4 of Table 1 represents the weighted average sale price of the shares sold ranging from $209.81 to $210.80, 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.
- F7 The sale price reported in Column 4 of Table 1 represents the weighted average sale price of the shares sold ranging from $208.81 to $209.80, 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.
- F8 The sale price reported in Column 4 of Table 1 represents the weighted average sale price of the shares sold ranging from $207.81 to $208.80, 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.
- F9 The sale price reported in Column 4 of Table 1 represents the weighted average sale price of the shares sold ranging from $206.68 to $207.67, 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.
- F10 The sale price reported in Column 4 of Table 1 represents the weighted average sale price of the shares sold ranging from $205.67 to $206.66, 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.
- F11 The sale price reported in Column 4 of Table 1 represents the weighted average sale price of the shares sold ranging from $204.65 to $205.64, 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.
- F12 The sale price reported in Column 4 of Table 1 represents the weighted average sale price of the shares sold ranging from $203.65 to $204.65, 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.
- F13 The sale price reported in Column 4 of Table 1 represents the weighted average sale price of the shares sold ranging from $202.63 to $203.61, 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.
- F14 The sale price reported in Column 4 of Table 1 represents the weighted average sale price of the shares sold ranging from $201.44 to $202.39, 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.
- F15 The sale price reported in Column 4 of Table 1 represents the weighted average sale price of the shares sold ranging from $200.42 to $201.41, 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.
- F16 The sale price reported in Column 4 of Table 1 represents the weighted average sale price of the shares sold ranging from $199.42 to $200.37, 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.
- F17 The sale price reported in Column 4 of Table 1 represents the weighted average sale price of the shares sold ranging from $198.42 to $199.41, 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.
- F18 The sale price reported in Column 4 of Table 1 represents the weighted average sale price of the shares sold ranging from $197.41 to $198.40, 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.
- F19 The sale price reported in Column 4 of Table 1 represents the weighted average sale price of the shares sold ranging from $196.41 to $197.40, 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.
- F20 The sale price reported in Column 4 of Table 1 represents the weighted average sale price of the shares sold ranging from $195.27 to $195.96, 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.
- F21 The sale price reported in Column 4 of Table 1 represents the weighted average sale price of the shares sold ranging from $194.27 to $195.26, 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.
- F22 The stock option is fully vested and exercisable.
More CBRS filings
- 4
Filed Oct 28, 2026
- 144
Filed Oct 27, 2026
- 4
Filed Oct 7, 2026
- 4
Filed Oct 6, 2026
- 4
Filed Oct 2, 2026
- 4
Filed Sep 30, 2026
Not investment advice. Summaries can contain errors; the SEC filing is the official record.