21 Form 4 filings for CBRS between 2026-08-18 and 2026-08-26, from 11 filers. 14 discretionary (6 sales, 0 purchases), 7 routine grant or withholding filings. 8 of 21 state a filing-level total, summing to $245,287,580; the rest report only their largest transaction, so the true figure is higher.
| Filed | Filer | Role | Action | Shares largest txn | Price | Filing total | Txns |
|---|---|---|---|---|---|---|---|
| 2026-08-26 | Vishria Eric | — | 44,507 | — | — | — | |
| 2026-08-26 | Benchmark AI Infrastructure Management Co., L.L.C. at Cerebras Systems Inc. filed a Form 4 reporting holdings only — no transactions this period. | ||||||
| 2026-08-26 | Benchmark Founders' Fund IX-A, L.P. | — | 963,818 | — | — | 2 | |
| 2026-08-25 | Vassallo Steven | — | 1,112,904 | — | — | 12 | |
| 2026-08-25 | Foundation Capital Leadership Fund II, L.P. | — | 1,112,904 | — | — | 10 | |
| 2026-08-25 | Feldman Andrew D. | sold | 237,559 | — | $47,338,835 | 16 | |
| 2026-08-21 | Lie Sean | sold | 696,798 | — | $151,050,463 | 14 | |
| 2026-08-21 | Susan Lior | — | 902,235 | — | — | 3 | |
| 2026-08-20 | Vassallo Steven | — | 1,738,913 | — | — | 12 | |
| 2026-08-20 | Foundation Capital Leadership Fund II, L.P. | — | 1,738,913 | — | — | 10 | |
| 2026-08-20 | Komin Robert Patrick Jr. | — | 32,500 | — | — | — | |
| 2026-08-20 | Patel Yagnesh | sold | 6,250 | — | $1,016,445 | 26 | |
| 2026-08-20 | Mallick Dhiraj | sold | 158,889 | — | $8,642,077 | 27 | |
| 2026-08-20 | Lie Sean | sold | 616,706 | — | $4,723,765 | 27 | |
| 2026-08-19 | Feldman Andrew D. | sold | 93,497 | — | $5,920,937 | 28 | |
| 2026-08-19 | Benchmark AI Infrastructure Management Co., L.L.C. at Cerebras Systems Inc. filed a Form 4; no parseable transaction details were found in the filing. | ||||||
| 2026-08-19 | Benchmark Founders' Fund IX-A, L.P. | — | 2,402,352 | — | — | 2 | |
| 2026-08-19 | Vishria Eric | sold | 110,950 | — | $15,685,957 | 7 | |
| 2026-08-18 | Vassallo Steven | sold | 1,738,913 | — | $10,909,101 | 19 | |
| 2026-08-18 | Foundation Capital Leadership Fund II, L.P. | — | 1,738,913 | — | — | 12 | |
| 2026-08-18 | Susan Lior | — | 2,248,855 | — | — | 3 | |
| 21 filings · 11 filers · disclosed totals only | $245,287,580 (8/21) | — | |||||