CBRS.NASDAQCerebras Systems INC
Form 4: Cerebras Systems CTO Sells Shares
Sentiment:
Insider Transaction (Form 4)
Sean Lie, Chief Technology Officer of Cerebras Systems Inc., sold 726,540 shares of common stock on August 20, 2026.
Summary
- Conversion of derivative: acquired 696,798 Class A Common Stock on August 20, 2026; holds 1,292,247 after (Direct).
- Bona fide gift: disposed of 213,074 Class A Common Stock on August 20, 2026; holds 1,079,173 after (Direct).
- Open-market sale: disposed of 11,706 Class A Common Stock at $203.78 ($2,385,449) on August 20, 2026; holds 1,067,467 after (Direct).
- Open-market sale: disposed of 47,766 Class A Common Stock at $204.87 ($9,785,820) on August 20, 2026; holds 1,019,701 after (Direct).
- Open-market sale: disposed of 133,383 Class A Common Stock at $205.67 ($27,432,882) on August 20, 2026; holds 886,318 after (Direct).
- Open-market sale: disposed of 93,017 Class A Common Stock at $206.67 ($19,223,823) on August 20, 2026; holds 793,301 after (Direct).
- Open-market sale: disposed of 108,507 Class A Common Stock at $207.68 ($22,534,734) on August 20, 2026; holds 684,794 after (Direct).
- Open-market sale: disposed of 119,311 Class A Common Stock at $208.69 ($24,899,013) on August 20, 2026; holds 565,483 after (Direct).
- Open-market sale: disposed of 114,976 Class A Common Stock at $209.86 ($24,128,863) on August 20, 2026; holds 450,507 after (Direct).
- Open-market sale: disposed of 46,214 Class A Common Stock at $210.56 ($9,730,820) on August 20, 2026; holds 404,293 after (Direct).
- Open-market sale: disposed of 10,715 Class A Common Stock at $211.42 ($2,265,365) on August 20, 2026; holds 393,578 after (Direct).
- Open-market sale: disposed of 24,652 Class A Common Stock at $212.64 ($5,242,001) on August 20, 2026; holds 368,926 after (Direct).
- Conversion of derivative: acquired 16,293 Class A Common Stock on August 21, 2026; holds 385,219 after (Direct).
- Open-market sale: disposed of 16,293 Class A Common Stock at $210.01 ($3,421,693) on August 21, 2026; holds 368,926 after (Direct).
- Option exercise/conversion: disposed of 308,236 Stock Option on August 20, 2026; holds 41,764 after (Direct).
- Option exercise/conversion: disposed of 138,236 Stock Option on August 20, 2026; holds 36,764 after (Direct).
- Option exercise/conversion: disposed of 87,326 Stock Option on August 20, 2026; holds 12,674 after (Direct).
- Option exercise/conversion: disposed of 114,455 Stock Option on August 20, 2026; holds 35,545 after (Direct).
- Option exercise/conversion: disposed of 48,545 Stock Option on August 20, 2026; holds 351,455 after (Direct).
- Option exercise/conversion: acquired 696,798 Class B Common Stock on August 20, 2026; holds 8,279,790 after (Direct).
- Conversion of derivative: disposed of 696,798 Class B Common Stock on August 20, 2026; holds 7,582,992 after (Direct).
- Option exercise/conversion: disposed of 16,293 Stock Option on August 21, 2026; holds 335,162 after (Direct).
- Option exercise/conversion: acquired 16,293 Class B Common Stock on August 21, 2026; holds 7,599,285 after (Direct).
- Conversion of derivative: disposed of 16,293 Class B Common Stock on August 21, 2026; holds 7,582,992 after (Direct).
Sentiment
Score: 2
Explanation: StockSavvy.ai views this as a mildly negative signal: an insider sold $151,050,463 of stock on the open market.
Insider Transactions
Sean Lie — Officer (Chief Technology Officer)
| Date | Transaction | Security | Shares | Price | Value | Held After |
|---|---|---|---|---|---|---|
| 2026-08-20 | Conversion of derivative | Class A Common Stock | 696,798 | — | — | 1,292,247 |
| 2026-08-20 | Bona fide gift | Class A Common Stock | 213,074 | — | — | 1,079,173 |
| 2026-08-20 | Open-market sale | Class A Common Stock | 11,706 | $204 | $2.4M | 1,067,467 |
| 2026-08-20 | Open-market sale | Class A Common Stock | 47,766 | $205 | $9.8M | 1,019,701 |
| 2026-08-20 | Open-market sale | Class A Common Stock | 133,383 | $206 | $27.4M | 886,318 |
| 2026-08-20 | Open-market sale | Class A Common Stock | 93,017 | $207 | $19.2M | 793,301 |
| 2026-08-20 | Open-market sale | Class A Common Stock | 108,507 | $208 | $22.5M | 684,794 |
| 2026-08-20 | Open-market sale | Class A Common Stock | 119,311 | $209 | $24.9M | 565,483 |
| 2026-08-20 | Open-market sale | Class A Common Stock | 114,976 | $210 | $24.1M | 450,507 |
| 2026-08-20 | Open-market sale | Class A Common Stock | 46,214 | $211 | $9.7M | 404,293 |
| 2026-08-20 | Open-market sale | Class A Common Stock | 10,715 | $211 | $2.3M | 393,578 |
| 2026-08-20 | Open-market sale | Class A Common Stock | 24,652 | $213 | $5.2M | 368,926 |
| 2026-08-21 | Conversion of derivative | Class A Common Stock | 16,293 | — | — | 385,219 |
| 2026-08-21 | Open-market sale | Class A Common Stock | 16,293 | $210 | $3.4M | 368,926 |
| 2026-08-20 | Option exercise/conversion | Stock Option | 308,236 | — | — | 41,764 |
| 2026-08-20 | Option exercise/conversion | Stock Option | 138,236 | — | — | 36,764 |
| 2026-08-20 | Option exercise/conversion | Stock Option | 87,326 | — | — | 12,674 |
| 2026-08-20 | Option exercise/conversion | Stock Option | 114,455 | — | — | 35,545 |
| 2026-08-20 | Option exercise/conversion | Stock Option | 48,545 | — | — | 351,455 |
| 2026-08-20 | Option exercise/conversion | Class B Common Stock | 696,798 | — | — | 8,279,790 |
| 2026-08-20 | Conversion of derivative | Class B Common Stock | 696,798 | — | — | 7,582,992 |
| 2026-08-21 | Option exercise/conversion | Stock Option | 16,293 | — | — | 335,162 |
| 2026-08-21 | Option exercise/conversion | Class B Common Stock | 16,293 | — | — | 7,599,285 |
| 2026-08-21 | Conversion of derivative | Class B Common Stock | 16,293 | — | — | 7,582,992 |
Key Dates
| Date | Description |
|---|---|
| 2026-08-20 | Conversion of derivative (696,798 shares) |
| 2026-08-20 | Bona fide gift (213,074 shares) |
| 2026-08-20 | Open-market sale (11,706 shares) |
| 2026-08-20 | Open-market sale (47,766 shares) |
| 2026-08-20 | Open-market sale (133,383 shares) |
| 2026-08-20 | Open-market sale (93,017 shares) |
| 2026-08-20 | Open-market sale (108,507 shares) |
| 2026-08-20 | Open-market sale (119,311 shares) |
| 2026-08-20 | Open-market sale (114,976 shares) |
| 2026-08-20 | Open-market sale (46,214 shares) |
| 2026-08-20 | Open-market sale (10,715 shares) |
| 2026-08-20 | Open-market sale (24,652 shares) |
| 2026-08-21 | Conversion of derivative (16,293 shares) |
| 2026-08-21 | Open-market sale (16,293 shares) |
| 2026-08-20 | Option exercise/conversion (308,236 shares) |
| 2026-08-20 | Option exercise/conversion (138,236 shares) |
| 2026-08-20 | Option exercise/conversion (87,326 shares) |
| 2026-08-20 | Option exercise/conversion (114,455 shares) |
| 2026-08-20 | Option exercise/conversion (48,545 shares) |
| 2026-08-20 | Option exercise/conversion (696,798 shares) |
| 2026-08-20 | Conversion of derivative (696,798 shares) |
| 2026-08-21 | Option exercise/conversion (16,293 shares) |
| 2026-08-21 | Option exercise/conversion (16,293 shares) |
| 2026-08-21 | Conversion of derivative (16,293 shares) |
Keywords
insider transaction, Form 4, CBRS, Cerebras Systems Inc., bearish, Sean Lie
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