Dhiraj Mallick sold $8.6M of CBRS
Chief Operating Officer at Cerebras Systems Inc.. 38,889 shares at an average of $222.22, traded Aug 18, 2026, filed Aug 20, 2026.
Score components
- +20RoleCOO
- +25Trade size$8.6M at market
- +5Share of holdings soldSold 24% of holdings
- +15Cluster6 insiders selling within 14 days
What happened after comparable sells
Same side and tier, against the S&P 500, at 1, 3 and 6 months. Shown to Pro users; the whole table is on the backtest page.
Price around the trade, and since
From a quarter before the trade to today. The arrow is the trade, the circle the day the filing reached EDGAR, which is the first day anyone outside could act; the dotted line is the S&P 500 rebased to that day's close.
Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value; the dashed line is the close on the filing day, the dotted line SPY rebased to it.Charts by TradingView Lightweight Charts™
Rows in this filing
Every transaction in Form 4 0001628280-26-058313, as filed. Open on EDGAR
| Date | Transaction | Shares | Price | Value | Holdings after | Filed |
|---|---|---|---|---|---|---|
| Aug 18, 2026 | CConversion Class A Common Stock | +158,889 | - | - | 158,889 | Aug 20, 2026 |
| Aug 18, 2026 | SOpen-market sale Class A Common Stock | -2 | $214.85 | $430 | 158,887 | Aug 20, 2026 |
| Aug 18, 2026 | SOpen-market sale Class A Common Stock | -1,937 | $215.67 | $418k | 156,950 | Aug 20, 2026 |
| Aug 18, 2026 | SOpen-market sale Class A Common Stock | -3,305 | $216.40 | $715k | 153,645 | Aug 20, 2026 |
| Aug 18, 2026 | SOpen-market sale Class A Common Stock | -2,458 | $217.58 | $535k | 151,187 | Aug 20, 2026 |
| Aug 18, 2026 | SOpen-market sale Class A Common Stock | -3,055 | $218.54 | $668k | 148,132 | Aug 20, 2026 |
| Aug 18, 2026 | SOpen-market sale Class A Common Stock | -3,465 | $219.58 | $761k | 144,667 | Aug 20, 2026 |
| Aug 18, 2026 | SOpen-market sale Class A Common Stock | -6,810 | $220.43 | $1.5M | 137,857 | Aug 20, 2026 |
| Aug 18, 2026 | SOpen-market sale Class A Common Stock | -6,237 | $221.47 | $1.4M | 131,620 | Aug 20, 2026 |
| Aug 18, 2026 | SOpen-market sale Class A Common Stock | -2,925 | $222.42 | $651k | 128,695 | Aug 20, 2026 |
| Aug 18, 2026 | SOpen-market sale Class A Common Stock | -900 | $223.54 | $201k | 127,795 | Aug 20, 2026 |
| Aug 18, 2026 | SOpen-market sale Class A Common Stock | -369 | $224.52 | $83k | 127,426 | Aug 20, 2026 |
| Aug 18, 2026 | SOpen-market sale Class A Common Stock | -613 | $225.51 | $138k | 126,813 | Aug 20, 2026 |
| Aug 18, 2026 | SOpen-market sale Class A Common Stock | -837 | $226.46 | $190k | 125,976 | Aug 20, 2026 |
| Aug 18, 2026 | SOpen-market sale Class A Common Stock | -635 | $227.37 | $144k | 125,341 | Aug 20, 2026 |
| Aug 18, 2026 | SOpen-market sale Class A Common Stock | -173 | $228.53 | $40k | 125,168 | Aug 20, 2026 |
| Aug 18, 2026 | SOpen-market sale Class A Common Stock | -268 | $229.46 | $61k | 124,900 | Aug 20, 2026 |
| Aug 18, 2026 | SOpen-market sale Class A Common Stock | -86 | $230.67 | $20k | 124,814 | Aug 20, 2026 |
| Aug 18, 2026 | SOpen-market sale Class A Common Stock | -444 | $231.57 | $103k | 124,370 | Aug 20, 2026 |
| Aug 18, 2026 | SOpen-market sale Class A Common Stock | -506 | $232.62 | $118k | 123,864 | Aug 20, 2026 |
| Aug 18, 2026 | SOpen-market sale Class A Common Stock | -410 | $233.31 | $96k | 123,454 | Aug 20, 2026 |
| Aug 18, 2026 | SOpen-market sale Class A Common Stock | -1,078 | $234.47 | $253k | 122,376 | Aug 20, 2026 |
| Aug 18, 2026 | SOpen-market sale Class A Common Stock | -550 | $235.50 | $130k | 121,826 | Aug 20, 2026 |
| Aug 18, 2026 | SOpen-market sale Class A Common Stock | -371 | $236.43 | $88k | 121,455 | Aug 20, 2026 |
| Aug 18, 2026 | SOpen-market sale Class A Common Stock | -21 | $237.23 | $4,982 | 121,434 | Aug 20, 2026 |
| Aug 18, 2026 | SOpen-market sale Class A Common Stock | -17 | $238.78 | $4,059 | 121,417 | Aug 20, 2026 |
| Aug 18, 2026 | SOpen-market sale Class A Common Stock | -1,417 | $240.01 | $340k | 120,000 | Aug 20, 2026 |
| Aug 18, 2026 | CConversion Class B Common Stockderivative | -158,889 | $0.00 | $0 | 520,807 | Aug 20, 2026 |
Related signals
Other insiders at Cerebras Systems Inc. and this insider’s other filings.
| Score | Company | Insider | Value | Holdings | Filed |
|---|---|---|---|---|---|
| 23Weak | Cerebras Systems Inc. | Yagnesh Patel Chief Accounting Officer | $270k 1,320 shares | -8% | |
| 45Moderate | Cerebras Systems Inc. | Dhiraj Mallick Chief Operating Officer | $81M 396,000 shares | -100% | |
| 62Notable | Cerebras Systems Inc. | Robert Patrick Komin Jr. Chief Financial Officer | $6.6M 32,500 shares | -100% | |
| 30Weak | Cerebras Systems Inc. | Sean Lie Chief Technology Officer | $25M 120,000 shares | -28% | |
| 50Moderate | Cerebras Systems Inc. | Andrew D. Feldman CEO, President | $7.9M 37,441 shares | -69% | |
| 25Weak | Cerebras Systems Inc. | Sean Lie Chief Technology Officer | $11M 53,460 shares | -13% | |
| 60Notable | Cerebras Systems Inc. | Steven Vassallo director | $11M 50,000 shares | -23% | |
| 50Moderate | Cerebras Systems Inc. | Andrew D. Feldman CEO, President | $47M 237,559 shares | -93% | |
| 40Moderate | Cerebras Systems Inc. | Sean Lie Chief Technology Officer | $151M 726,540 shares | -67% | |
| 55Moderate | Cerebras Systems Inc. | Sean Lie Chief Technology Officer | $4.7M 21,257 shares | -3% |
Not investment advice. Scores and forward returns are decision support built from public SEC filings and past prices; they describe what happened after comparable filings, not what will happen after this one. Do your own research and size your risk.