Mallick Dhiraj 4
4 · Cerebras Systems Inc. · Filed Jun 29, 2026
Research Summary
AI-generated summary of this filing
Cerebras (CBRS) COO Dhiraj Mallick Sells 33,314 Shares
What Happened
Dhiraj Mallick, Chief Operating Officer of Cerebras Systems (CBRS), sold a total of 33,314 shares in open‑market transactions on June 25 and June 26, 2026, realizing approximately $5,936,180 in proceeds. Individual sales ranged from small lots (e.g., 100 shares) up to large tranches (notably 11,761 shares at $173.65 and 7,282 shares at $185.19). Reported per‑share prices in the filing run roughly from about $161.46 to $187.90, with several weighted‑average price groupings disclosed via footnotes.
Key Details
- Transaction type: Sales (code S) — open market.
- Dates: June 25 and June 26, 2026.
- Total shares sold: 33,314; Total proceeds: ~$5.94 million.
- Price range reported in the itemized trades: approximately $161.46 to $187.90; multiple weighted‑average ranges are listed in footnotes (F1–F24) giving more granular price bands.
- Shares owned after the transactions: not specified in the provided excerpt — see the full Form 4 filings for post‑trade holdings.
- Filing notes: This is the second of two Form 4s filed by the reporting person for these transaction dates because EDGAR limits rows per form; both filings should be read together. No 10b5‑1 plan or tax‑withholding explanation is shown in the excerpt.
Context
These were sales (not purchases or option exercises). Insider sales are common and can reflect many personal reasons (taxes, diversification, liquidity) — they are not, by themselves, definitive signals about company prospects. Retail investors who want the complete picture should review both Form 4s filed on June 29, 2026 for any additional trades or disclosures (and for reported post‑transaction holdings).
Insider Transaction Report
Form 4
Mallick Dhiraj
Chief Operating Officer
Transactions
- Sale
Class A Common Stock
2026-06-26$169.76/sh−100$16,976→ 17,200 total - Sale
Class A Common Stock
2026-06-25$175.61/sh−184$32,312→ 33,130 total - Sale
Class A Common Stock
[F1]2026-06-25$178.92/sh−230$41,152→ 32,900 total - Sale
Class A Common Stock
[F2]2026-06-25$180.19/sh−606$109,195→ 32,294 total - Sale
Class A Common Stock
[F3]2026-06-25$181.17/sh−330$59,786→ 31,964 total - Sale
Class A Common Stock
2026-06-25$182.50/sh−138$25,185→ 31,826 total - Sale
Class A Common Stock
[F4]2026-06-25$184.30/sh−1,074$197,938→ 30,752 total - Sale
Class A Common Stock
[F5]2026-06-25$185.19/sh−7,282$1,348,554→ 23,470 total - Sale
Class A Common Stock
[F6]2026-06-25$186.23/sh−1,618$301,320→ 21,852 total - Sale
Class A Common Stock
[F7]2026-06-25$186.85/sh−1,752$327,361→ 20,100 total - Sale
Class A Common Stock
2026-06-25$187.90/sh−100$18,790→ 20,000 total - Sale
Class A Common Stock
[F8]2026-06-26$161.46/sh−200$32,292→ 19,800 total - Sale
Class A Common Stock
[F9]2026-06-26$162.75/sh−300$48,825→ 19,500 total - Sale
Class A Common Stock
[F10]2026-06-26$163.90/sh−400$65,560→ 19,100 total - Sale
Class A Common Stock
[F11]2026-06-26$165.09/sh−300$49,527→ 18,800 total - Sale
Class A Common Stock
[F12]2026-06-26$166.62/sh−400$66,648→ 18,400 total - Sale
Class A Common Stock
[F13]2026-06-26$167.76/sh−400$67,104→ 18,000 total - Sale
Class A Common Stock
[F14]2026-06-26$169.07/sh−700$118,349→ 17,300 total - Sale
Class A Common Stock
[F15]2026-06-26$171.45/sh−300$51,435→ 16,900 total - Sale
Class A Common Stock
[F16]2026-06-26$172.78/sh−839$144,962→ 16,061 total - Sale
Class A Common Stock
[F17]2026-06-26$173.65/sh−11,761$2,042,298→ 4,300 total - Sale
Class A Common Stock
[F18]2026-06-26$174.70/sh−600$104,820→ 3,700 total - Sale
Class A Common Stock
[F19]2026-06-26$175.94/sh−200$35,188→ 3,500 total - Sale
Class A Common Stock
[F20]2026-06-26$177.23/sh−200$35,446→ 3,300 total - Sale
Class A Common Stock
[F21]2026-06-26$178.12/sh−200$35,624→ 3,100 total - Sale
Class A Common Stock
[F22]2026-06-26$179.67/sh−1,100$197,637→ 2,000 total - Sale
Class A Common Stock
[F23]2026-06-26$180.50/sh−1,200$216,600→ 800 total - Sale
Class A Common Stock
[F24]2026-06-26$181.62/sh−800$145,296→ 0 total
Footnotes (24)
- [F1]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.
- [F10]The sale price reported in Column 4 of Table 1 represents the weighted average sale price of the shares sold ranging from $163.44 to $164.28, 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 $164.94 to $165.40, 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.
- [F12]The sale price reported in Column 4 of Table 1 represents the weighted average sale price of the shares sold ranging from $166.22 to $167.05, 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 $167.36 to $167.97, 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.
- [F14]The sale price reported in Column 4 of Table 1 represents the weighted average sale price of the shares sold ranging from $168.62 to $169.58, 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.
- [F15]The sale price reported in Column 4 of Table 1 represents the weighted average sale price of the shares sold ranging from $170.99 to $171.92, 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.
- [F16]The sale price reported in Column 4 of Table 1 represents the weighted average sale price of the shares sold ranging from $172.18 to $173.10, 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.
- [F17]The sale price reported in Column 4 of Table 1 represents the weighted average sale price of the shares sold ranging from $173.20 to $174.19, 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 $174.25 to $175.21, 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 $175.73 to $176.14, 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.
- [F2]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.
- [F20]The sale price reported in Column 4 of Table 1 represents the weighted average sale price of the shares sold ranging from $176.81 to $177.64, 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.
- [F21]The sale price reported in Column 4 of Table 1 represents the weighted average sale price of the shares sold ranging from $178.03 to $178.20, 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 sale price reported in Column 4 of Table 1 represents the weighted average sale price of the shares sold ranging from $179.11 to $180.05, 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.
- [F23]The sale price reported in Column 4 of Table 1 represents the weighted average sale price of the shares sold ranging from $180.13 to $180.99, 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.
- [F24]The sale price reported in Column 4 of Table 1 represents the weighted average sale price of the shares sold ranging from $181.17 to $182.11, 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.
- [F3]The sale price reported in Column 4 of Table 1 represents the weighted average sale price of the shares sold ranging from $181.02 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.
- [F4]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.
- [F5]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.
- [F6]The sale price reported in Column 4 of Table 1 represents the weighted average sale price of the shares sold ranging from $185.68 to $186.66, 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.
- [F7]The sale price reported in Column 4 of Table 1 represents the weighted average sale price of the shares sold ranging from $186.68 to $186.94, 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.
- [F8]The sale price reported in Column 4 of Table 1 represents the weighted average sale price of the shares sold ranging from $161.30 to $161.61, 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.
- [F9]The sale price reported in Column 4 of Table 1 represents the weighted average sale price of the shares sold ranging from $162.44 to $162.95, 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.
Signature
/s/ Robert Mills, Attorney-in-fact|2026-06-29