Real time insider trading transaction history:
- Insiders are prohibited from making short-swing profits by trading their shares within 6 months of the registration or acquiring the shares.
- Shares are not adjusted for stock split.
"Insiders might sell their shares for any number of reasons, but they buy them for only one: they think the price will rise"
- Peter Lynch
What is insider trading>>
- Peter Lynch
What is insider trading>>
Common stock purchase or sale:
| Transaction Date | Reported DateTime | Company | Symbol | Insider Relationship | Shares Traded | Average Price | Total Amount | Shares Owned | Filing |
| 2026-09-25 Sale | 2026-09-28 4:05 pm | Cerebras Systems Inc. | CBRS | Lie Sean Chief Technology Officer | 120,000 | $208.97 | $25,076,264 | 15,980,719 (Indirect Direct) | View |
| 2026-09-04 Sale | 2026-09-08 8:19 pm | Cerebras Systems Inc. | CBRS | Lie Sean Chief Technology Officer | 53,460 | $210.16 | $11,235,154 | 16,027,315 (Indirect Direct) | View |
| 2026-08-20 Sale | 2026-08-21 8:58 pm | Cerebras Systems Inc. | CBRS | Lie Sean Chief Technology Officer | 726,540 | $207.9 | $151,050,463 | 32,407,949 (Indirect Direct) | View |
| 2026-08-18 Sale | 2026-08-20 8:04 pm | Cerebras Systems Inc. | CBRS | Lie Sean Chief Technology Officer | 21,257 | $222.22 | $4,723,765 | 8,359,041 (Indirect Direct) | View |
| 2026-06-25 Sale | 2026-06-29 4:47 pm | Cerebras Systems Inc. | CBRS | Lie Sean Chief Technology Officer | 10,033 | $170.07 | $1,706,311 | 8,380,298 (Indirect Direct) | View |
Stock options: Exercise, Award, Grant, Conversion
| Transaction Date | Reported DateTime | Exercisable Expiration | Company | Symnbol | Insider Relationship | Shares Traded | Conversion Price | Shares Owned | Filing |
| 2026-09-25 Exercise | 2026-09-28 4:05 pm | N/A 2034-02-06 | Cerebras Systems Inc. | CBRS | Lie Sean Chief Technology Officer | 240,000 | $0 | 15,980,719 (Direct) | View |
| 2026-09-25 Conversion | 2026-09-28 4:05 pm | N/A N/A | Cerebras Systems Inc. | CBRS | Lie Sean Chief Technology Officer | 120,000 | $0 | 15,980,719 (Direct) | View |
| 2026-09-25 Gift | 2026-09-28 4:05 pm | N/A N/A | Cerebras Systems Inc. | CBRS | Lie Sean Chief Technology Officer | 36,000 | $0 | 15,980,719 (Direct) | View |
| 2026-09-04 Exercise | 2026-09-08 8:19 pm | N/A 2034-02-06 | Cerebras Systems Inc. | CBRS | Lie Sean Chief Technology Officer | 92,282 | $0 | 16,027,315 (Direct) | View |
| 2026-09-04 Conversion | 2026-09-08 8:19 pm | N/A N/A | Cerebras Systems Inc. | CBRS | Lie Sean Chief Technology Officer | 46,141 | $0 | 16,027,315 (Direct) | View |
| 2026-09-04 Gift | 2026-09-08 8:19 pm | N/A N/A | Cerebras Systems Inc. | CBRS | Lie Sean Chief Technology Officer | 16,038 | $0 | 16,027,315 (Direct) | View |
| 2026-08-20 Exercise | 2026-08-21 8:58 pm | N/A 2029-05-13 | Cerebras Systems Inc. | CBRS | Lie Sean Chief Technology Officer | 1,426,182 | $0 | 32,407,949 (Direct) | View |
| 2026-08-20 Conversion | 2026-08-21 8:58 pm | N/A N/A | Cerebras Systems Inc. | CBRS | Lie Sean Chief Technology Officer | 713,091 | $0 | 32,407,949 (Direct) | View |
| 2026-08-20 Gift | 2026-08-21 8:58 pm | N/A N/A | Cerebras Systems Inc. | CBRS | Lie Sean Chief Technology Officer | 213,074 | $0 | 32,407,949 (Direct) | View |
| 2026-08-18 Conversion | 2026-08-20 8:04 pm | N/A N/A | Cerebras Systems Inc. | CBRS | Lie Sean Chief Technology Officer | 616,706 | $0 | 8,359,041 (Direct) | View |
| 2026-06-25 Conversion | 2026-06-29 4:47 pm | N/A N/A | Cerebras Systems Inc. | CBRS | Lie Sean Chief Technology Officer | 10,033 | $0 | 8,380,298 (Direct) | View |
| 2026-05-13 Tax Withholding | 2026-05-15 6:49 pm | N/A N/A | Cerebras Systems Inc. | CBRS | Lie Sean Chief Technology Officer 10% Owner | 96,127 | $185 | 17,955,662 (Direct) | View |
| 2026-05-15 Other | 2026-05-15 6:49 pm | N/A N/A | Cerebras Systems Inc. | CBRS | Lie Sean Chief Technology Officer 10% Owner | 10,740,331 | $0 | 17,955,662 (Direct) | View |
Ownership | 2026-05-13 5:27 pm | N/A N/A | Cerebras Systems Inc. | CBRS | Lie Sean Chief Technology Officer 10% Owner | 0 | $0 | 9,661,458 (Direct) | View |