Insider · SEC Forms 3, 4, 5
CIK 1494730
All transactions
Every Form 4 row this person reported, newest first
Insider · SEC Forms 3, 4, 5
Every Form 4 row this person reported, newest first
Vassallo Steven (CIK 1567929) reported 46 SEC Form 4 insider transactions across 1 companies over the past 18 months (most recent 2026-09-08). Recent activity: Sell CBRS (21,117 shares), Sell CBRS (21,773 shares), Sell CBRS (7,110 shares), Sell CBRS (18,155 shares), Buy CBRS (23,970 shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-09-08 | Cerebras Systems Inc. (CBRS) | Director | Sell | 21,117 | $4.4M |
| 2026-09-08 | Cerebras Systems Inc. (CBRS) | Director | Sell | 21,773 | $4.6M |
| 2026-09-08 | Cerebras Systems Inc. (CBRS) | Director | Sell | 7,110 | $1.5M |
| 2026-08-25 | Cerebras Systems Inc. (CBRS) | Director | Sell | 18,155 | $0 |
| 2026-08-25 | Cerebras Systems Inc. (CBRS) | Director | Buy | 23,970 | $0 |
| 2026-08-25 | Cerebras Systems Inc. (CBRS) | Director | Buy | 87,313 | $0 |
| 2026-08-25 | Cerebras Systems Inc. (CBRS) | Director | Sell | 1.1M | $0 |
| 2026-08-25 | Cerebras Systems Inc. (CBRS) | Director | Sell | 23,970 | $0 |
| 2026-08-25 | Cerebras Systems Inc. (CBRS) | Director | Sell | 87,313 | $0 |
| 2026-08-25 | Cerebras Systems Inc. (CBRS) | Director | Buy | 287,932 | $0 |
| 2026-08-25 | Cerebras Systems Inc. (CBRS) | Director | Sell | 287,932 | $0 |
| 2026-08-25 | Cerebras Systems Inc. (CBRS) | Director | Buy | 18,155 | $0 |
| 2026-08-25 | Cerebras Systems Inc. (CBRS) | Director | Buy | 1.1M | $0 |
| 2026-08-25 | Cerebras Systems Inc. (CBRS) | Director | Buy | 67,168 | $0 |
| 2026-08-25 | Cerebras Systems Inc. (CBRS) | Director | Buy | 34,548 | $0 |
| 2026-08-20 | Cerebras Systems Inc. (CBRS) | Director | Buy | 1.7M | $0 |
| 2026-08-20 | Cerebras Systems Inc. (CBRS) | Director | Buy | 37,453 | $0 |
| 2026-08-20 | Cerebras Systems Inc. (CBRS) | Director | Buy | 136,426 | $0 |
| 2026-08-20 | Cerebras Systems Inc. (CBRS) | Director | Sell | 1.7M | $0 |
| 2026-08-20 | Cerebras Systems Inc. (CBRS) | Director | Sell | 37,453 | $0 |
| 2026-08-20 | Cerebras Systems Inc. (CBRS) | Director | Sell | 136,426 | $0 |
| 2026-08-20 | Cerebras Systems Inc. (CBRS) | Director | Buy | 449,885 | $0 |
| 2026-08-20 | Cerebras Systems Inc. (CBRS) | Director | Sell | 449,885 | $0 |
| 2026-08-20 | Cerebras Systems Inc. (CBRS) | Director | Buy | 28,373 | $0 |
| 2026-08-20 | Cerebras Systems Inc. (CBRS) | Director | Sell | 29,741 | $0 |
Source: SEC Form 4 filings · as of 2026-09-08