Lie Sean (CIK 2132472) reported 64 SEC Form 4 insider transactions across 1 companies over the past 18 months (most recent 2026-09-08). Recent activity: Buy CBRS (46,141 shares), Sell CBRS (16,038 shares), Sell CBRS (53,460 shares), Sell CBRS (46,214 shares), Sell CBRS (213,074 shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-09-08 | Cerebras Systems Inc. (CBRS) | Chief Technology Officer | Buy | 46,141 | $0 |
| 2026-09-08 | Cerebras Systems Inc. (CBRS) | Chief Technology Officer | Sell | 16,038 | $0 |
| 2026-09-08 | Cerebras Systems Inc. (CBRS) | Chief Technology Officer | Sell | 53,460 | $11.2M |
| 2026-08-21 | Cerebras Systems Inc. (CBRS) | Chief Technology Officer | Sell | 46,214 | $9.7M |
| 2026-08-21 | Cerebras Systems Inc. (CBRS) | Chief Technology Officer | Sell | 213,074 | $0 |
| 2026-08-21 | Cerebras Systems Inc. (CBRS) | Chief Technology Officer | Sell | 11,706 | $2.4M |
| 2026-08-21 | Cerebras Systems Inc. (CBRS) | Chief Technology Officer | Sell | 47,766 | $9.8M |
| 2026-08-21 | Cerebras Systems Inc. (CBRS) | Chief Technology Officer | Sell | 133,383 | $27.4M |
| 2026-08-21 | Cerebras Systems Inc. (CBRS) | Chief Technology Officer | Sell | 93,017 | $19.2M |
| 2026-08-21 | Cerebras Systems Inc. (CBRS) | Chief Technology Officer | Sell | 108,507 | $22.5M |
| 2026-08-21 | Cerebras Systems Inc. (CBRS) | Chief Technology Officer | Sell | 119,311 | $24.9M |
| 2026-08-21 | Cerebras Systems Inc. (CBRS) | Chief Technology Officer | Sell | 114,976 | $24.1M |
| 2026-08-21 | Cerebras Systems Inc. (CBRS) | Chief Technology Officer | Buy | 696,798 | $0 |
| 2026-08-21 | Cerebras Systems Inc. (CBRS) | Chief Technology Officer | Sell | 10,715 | $2.3M |
| 2026-08-21 | Cerebras Systems Inc. (CBRS) | Chief Technology Officer | Sell | 24,652 | $5.2M |
| 2026-08-21 | Cerebras Systems Inc. (CBRS) | Chief Technology Officer | Buy | 16,293 | $0 |
| 2026-08-21 | Cerebras Systems Inc. (CBRS) | Chief Technology Officer | Sell | 16,293 | $3.4M |
| 2026-08-20 | Cerebras Systems Inc. (CBRS) | Chief Technology Officer | Buy | 616,706 | $0 |
| 2026-08-20 | Cerebras Systems Inc. (CBRS) | Chief Technology Officer | Sell | 1 | $215 |
| 2026-08-20 | Cerebras Systems Inc. (CBRS) | Chief Technology Officer | Sell | 1,059 | $228,395 |
| 2026-08-20 | Cerebras Systems Inc. (CBRS) | Chief Technology Officer | Sell | 1,807 | $391,035 |
| 2026-08-20 | Cerebras Systems Inc. (CBRS) | Chief Technology Officer | Sell | 1,344 | $292,428 |
| 2026-08-20 | Cerebras Systems Inc. (CBRS) | Chief Technology Officer | Sell | 1,670 | $364,962 |
| 2026-08-20 | Cerebras Systems Inc. (CBRS) | Chief Technology Officer | Sell | 1,894 | $415,885 |
| 2026-08-20 | Cerebras Systems Inc. (CBRS) | Chief Technology Officer | Sell | 3,723 | $820,661 |
来源：SEC Form 4 申报文件 · 截至 2026-09-08