CBRS Cerebras Systems Inc.
Nasdaq · SEC CIK 2021728 · EDGAR
- Bought, last 12 months
- $0 0 purchases by 0 insiders
- Sold, last 12 months
- $295.59M 18 sales by 6 insiders
- Filings on record
- 51 since 2026-05-15, latest 2026-09-23 17:16
BoughtSold
Most active insiders, 12 months
| Insider | Title | Bought | Sold |
|---|---|---|---|
| Lie Sean | CTO, 10% | — | $168.72M |
| Feldman Andrew D. | CEO, Pres, Dir, 10% | — | $64.25M |
| Mallick Dhiraj | COO | — | $22.76M |
| Vassallo Steven | Dir | — | $21.42M |
| Vishria Eric | Dir | — | $15.69M |
| Patel Yagnesh | CAO | — | $2.76M |
| Susan Lior | Dir, 10% | — | — |
| Komin Robert Patrick Jr. | CFO | — | — |
| Foundation Capital Management Co. VIII, L.L.C. | 10% | — | — |
| Benchmark Capital Management Co. VIII, L.L.C. | 10% | — | — |
Transactions 90
Purchase Sale Sale after option exercise All abbreviations
| X | Filed | Traded | Ticker | Insider | Title | Type | Price | Qty | Owned | ΔOwn | Value |
|---|---|---|---|---|---|---|---|---|---|---|---|
| I | 2026-09-23 17:16 | 2026-09-21 | CBRS | Feldman Andrew D. | CEO, Pres, Dir | J - Other | $0.00 | +120 | 926 | +15% | $0 |
| TI | 2026-09-23 17:10 | 2026-09-21 | CBRS | Vishria Eric | Dir | J - Other | $0.00 | +44.5K | 275.9K | +19% | $0 |
| MI | 2026-09-17 16:16 | 2026-09-15 | CBRS | Susan Lior | Dir | J - Other | — | -427.4K | 278.8K | -61% | — |
| 2026-09-17 16:16 | 2026-09-15 | CBRS | Susan Lior | Dir | J - Other | — | +24.5K | 315.1K | +8% | — | |
| TI | 2026-09-10 17:18 | 2026-09-08 | CBRS | Vishria Eric | Dir | J - Other | $0.00 | +44.5K | 231.3K | +24% | $0 |
| MI | 2026-09-08 20:20 | 2026-09-04 | CBRS | Vassallo Steven | Dir | S - Sale | $210.30 | -50.0K | 172.0K | -23% | -$10.52M |
| D | 2026-09-08 20:19 | 2026-09-04 | CBRS | Lie Sean | CTO | C - Cnv Deriv | — | +46.1K | 415.1K | +13% | — |
| D | 2026-09-08 20:19 | 2026-09-04 | CBRS | Lie Sean | CTO | G - Gift | $0.00 | -16.0K | 399.0K | -4% | $0 |
| D | 2026-09-08 20:19 | 2026-09-04 | CBRS | Lie Sean | CTO | S - Sale | $210.16 | -53.5K | 345.6K | -13% | -$11.24M |
| D | 2026-09-08 20:17 | 2026-09-04 | CBRS | Feldman Andrew D. | CEO, Pres, Dir | C - Cnv Deriv | $0.00 | +37.4K | 54.3K | +222% | $0 |
| DM | 2026-09-08 20:17 | 2026-09-04 | CBRS | Feldman Andrew D. | CEO, Pres, Dir | S - Sale | $210.46 | -37.4K | 16.9K | -69% | -$7.88M |
| DI | 2026-09-08 20:17 | 2026-09-08 | CBRS | Feldman Andrew D. | CEO, Pres, Dir | J - Other | $0.00 | +120 | 806 | +17% | $0 |
| MI | 2026-09-04 16:05 | 2026-09-02 | CBRS | Susan Lior | Dir | J - Other | — | -854.8K | 255.0K | -77% | — |
| 2026-09-04 16:05 | 2026-09-02 | CBRS | Susan Lior | Dir | J - Other | — | +46.5K | 290.7K | +19% | — | |
| TI | 2026-08-26 16:02 | 2026-08-24 | CBRS | Vishria Eric | Dir | J - Other | $0.00 | +44.5K | 186.8K | +31% | $0 |
| DTI | 2026-08-26 16:01 | 2026-08-24 | CBRS | Benchmark Capital Management Co. VIII, L.L.C. | 10% | C - Cnv Deriv | $0.00 | +963.8K | 963.8K | New | $0 |
| DTI | 2026-08-26 16:01 | 2026-08-24 | CBRS | Benchmark Capital Management Co. VIII, L.L.C. | 10% | J - Other | $0.00 | -963.8K | 0 | -100% | $0 |
| DMI | 2026-08-25 19:34 | 2026-08-21 | CBRS | Vassallo Steven | Dir | C - Cnv Deriv | — | +1.22M | 87.3K | New | — |
| DMI | 2026-08-25 19:34 | 2026-08-21 | CBRS | Vassallo Steven | Dir | J - Other | $0.00 | -1.12M | 139.6K | -89% | $0 |
| DMI | 2026-08-25 19:33 | 2026-08-21 | CBRS | Foundation Capital Management Co. VIII, L.L.C. | 10% | C - Cnv Deriv | — | +1.22M | 87.3K | New | — |
| DMI | 2026-08-25 19:33 | 2026-08-21 | CBRS | Foundation Capital Management Co. VIII, L.L.C. | 10% | J - Other | $0.00 | -1.22M | 0 | -100% | $0 |
| D | 2026-08-25 18:13 | 2026-08-21 | CBRS | Feldman Andrew D. | CEO, Pres, Dir | G - Gift | — | -50.0K | 16.9K | -75% | — |
| D | 2026-08-25 18:13 | 2026-08-21 | CBRS | Feldman Andrew D. | CEO, Pres, Dir | C - Cnv Deriv | $0.00 | +237.6K | 254.4K | +1,410% | $0 |
| DM | 2026-08-25 18:13 | 2026-08-21 | CBRS | Feldman Andrew D. | CEO, Pres, Dir | S - Sale | $199.27 | -237.6K | 16.9K | -93% | -$47.34M |
| DI | 2026-08-25 18:13 | 2026-08-24 | CBRS | Feldman Andrew D. | CEO, Pres, Dir | J - Other | $0.00 | +120 | 686 | +21% | $0 |
| DM | 2026-08-21 20:58 | 2026-08-20+ | CBRS | Lie Sean | CTO | C - Cnv Deriv | $0.00 | +713.1K | 385.2K | New | $0 |
| D | 2026-08-21 20:58 | 2026-08-20 | CBRS | Lie Sean | CTO | G - Gift | $0.00 | -213.1K | 1.08M | -16% | $0 |
| DM | 2026-08-21 20:58 | 2026-08-20+ | CBRS | Lie Sean | CTO | S - Sale | $207.90 | -726.5K | 368.9K | -66% | -$151.05M |
| MI | 2026-08-21 16:15 | 2026-08-19 | CBRS | Susan Lior | Dir | J - Other | — | -855.5K | 207.6K | -80% | — |
| 2026-08-21 16:15 | 2026-08-19 | CBRS | Susan Lior | Dir | J - Other | — | +46.4K | 244.2K | +23% | — | |
| DMI | 2026-08-20 20:53 | 2026-08-18 | CBRS | Vassallo Steven | Dir | C - Cnv Deriv | — | +1.91M | 136.4K | New | — |
| DMI | 2026-08-20 20:53 | 2026-08-18 | CBRS | Vassallo Steven | Dir | J - Other | $0.00 | -1.75M | 105.1K | -94% | $0 |
| DMI | 2026-08-20 20:51 | 2026-08-18 | CBRS | Foundation Capital Management Co. VIII, L.L.C. | 10% | C - Cnv Deriv | — | +1.91M | 136.4K | New | — |
| DMI | 2026-08-20 20:51 | 2026-08-18 | CBRS | Foundation Capital Management Co. VIII, L.L.C. | 10% | J - Other | $0.00 | -1.91M | 0 | -100% | $0 |
| D | 2026-08-20 20:14 | 2026-08-18 | CBRS | Komin Robert Patrick Jr. | CFO | C - Cnv Deriv | $0.00 | +32.5K | 32.5K | New | $0 |
| D | 2026-08-20 20:10 | 2026-08-18 | CBRS | Patel Yagnesh | CAO | C - Cnv Deriv | — | +6,250 | 21.2K | +42% | — |
| DM | 2026-08-20 20:10 | 2026-08-18 | CBRS | Patel Yagnesh | CAO | S - Sale | $222.22 | -4,574 | 16.7K | -22% | -$1.02M |
| D | 2026-08-20 20:05 | 2026-08-18 | CBRS | Mallick Dhiraj | COO | C - Cnv Deriv | — | +158.9K | 158.9K | New | — |
| DM | 2026-08-20 20:05 | 2026-08-18 | CBRS | Mallick Dhiraj | COO | S - Sale | $222.22 | -38.9K | 120.0K | -24% | -$8.64M |
| D | 2026-08-20 20:04 | 2026-08-18 | CBRS | Lie Sean | CTO | C - Cnv Deriv | — | +616.7K | 616.7K | New | — |
| DM | 2026-08-20 20:04 | 2026-08-18 | CBRS | Lie Sean | CTO | S - Sale | $222.22 | -21.3K | 595.4K | -3% | -$4.72M |
| DI | 2026-08-19 21:12 | 2026-08-17 | CBRS | Feldman Andrew D. | CEO, Pres, Dir | J - Other | $0.00 | +298 | 566 | +111% | $0 |
| D | 2026-08-19 21:12 | 2026-08-18 | CBRS | Feldman Andrew D. | CEO, Pres, Dir | C - Cnv Deriv | — | +93.5K | 93.5K | New | — |
| DM | 2026-08-19 21:12 | 2026-08-18 | CBRS | Feldman Andrew D. | CEO, Pres, Dir | S - Sale | $222.22 | -26.6K | 66.9K | -28% | -$5.92M |
| DTI | 2026-08-19 17:43 | 2026-08-17 | CBRS | Benchmark Capital Management Co. VIII, L.L.C. | 10% | C - Cnv Deriv | $0.00 | +2.40M | 2.40M | New | $0 |
| DTI | 2026-08-19 17:43 | 2026-08-17 | CBRS | Benchmark Capital Management Co. VIII, L.L.C. | 10% | J - Other | $0.00 | -2.40M | 0 | -100% | $0 |
| MTI | 2026-08-19 17:41 | 2026-08-17 | CBRS | Vishria Eric | Dir | S - Sale | $229.77 | -68.3K | 31.4K | -69% | -$15.69M |
| TI | 2026-08-19 17:41 | 2026-08-17 | CBRS | Vishria Eric | Dir | J - Other | $0.00 | +111.0K | 142.3K | +354% | $0 |
| DMI | 2026-08-18 18:38 | 2026-06-24+ | CBRS | Vassallo Steven | Dir | C - Cnv Deriv | — | +1.91M | 136.4K | New | — |
| DMI | 2026-08-18 18:38 | 2026-08-14 | CBRS | Vassallo Steven | Dir | J - Other | $0.00 | -1.76M | 50.9K | -97% | $0 |
| DMI | 2026-08-18 18:38 | 2026-08-14 | CBRS | Vassallo Steven | Dir | S - Sale | $218.18 | -50.0K | 49.6K | -50% | -$10.91M |
| DMI | 2026-08-18 18:37 | 2026-06-24+ | CBRS | Foundation Capital Management Co. VIII, L.L.C. | 10% | C - Cnv Deriv | — | +1.91M | 136.4K | New | — |
| DMI | 2026-08-18 18:37 | 2026-08-14 | CBRS | Foundation Capital Management Co. VIII, L.L.C. | 10% | J - Other | $0.00 | -1.91M | 1,368 | -100% | $0 |
| MI | 2026-08-18 16:17 | 2026-08-14 | CBRS | Susan Lior | Dir | J - Other | — | -2.13M | 160.8K | -93% | — |
| 2026-08-18 16:17 | 2026-08-14 | CBRS | Susan Lior | Dir | J - Other | — | +104.8K | 197.8K | +113% | — | |
| I | 2026-07-01 17:30 | 2026-06-29 | CBRS | Vishria Eric | Dir | J - Other | $0.00 | +99.7K | 99.7K | New | $0 |
| DI | 2026-07-01 17:30 | 2026-06-29 | CBRS | Benchmark Capital Management Co. VIII, L.L.C. | 10% | C - Cnv Deriv | $0.00 | +2.16M | 2.16M | New | $0 |
| DI | 2026-07-01 17:30 | 2026-06-29 | CBRS | Benchmark Capital Management Co. VIII, L.L.C. | 10% | J - Other | $0.00 | -2.16M | 0 | -100% | $0 |
| I | 2026-07-01 16:22 | 2026-06-29 | CBRS | Feldman Andrew D. | CEO, Pres, Dir | J - Other | $0.00 | +268 | 268 | New | $0 |
| D | 2026-07-01 16:21 | 2026-06-30 | CBRS | Mallick Dhiraj | COO | C - Cnv Deriv | — | +10.0K | 10.0K | New | — |
| D | 2026-07-01 16:21 | 2026-06-30 | CBRS | Mallick Dhiraj | COO | S - Sale | $206.51 | -10.0K | 0 | -100% | -$2.07M |
| M | 2026-06-29 16:53 | 2026-06-25+ | CBRS | Mallick Dhiraj | COO | S - Sale | $178.19 | -33.3K | 0 | -100% | -$5.94M |
| D | 2026-06-29 16:51 | 2026-06-25 | CBRS | Mallick Dhiraj | COO | C - Cnv Deriv | — | +69.4K | 69.4K | New | — |
| DM | 2026-06-29 16:51 | 2026-06-25 | CBRS | Mallick Dhiraj | COO | S - Sale | $169.28 | -36.1K | 33.3K | -52% | -$6.12M |
| M | 2026-06-29 16:49 | 2026-06-25+ | CBRS | Patel Yagnesh | CAO | S - Sale | $174.20 | -4,000 | 0 | -100% | -$696.8K |
| 2026-06-29 16:49 | 2026-06-26 | CBRS | Patel Yagnesh | CAO | A - Grant | $0.00 | +15.0K | 15.0K | New | $0 | |
| D | 2026-06-29 16:48 | 2026-06-25 | CBRS | Patel Yagnesh | CAO | C - Cnv Deriv | — | +10.1K | 10.1K | New | — |
| DM | 2026-06-29 16:48 | 2026-06-25 | CBRS | Patel Yagnesh | CAO | S - Sale | $171.53 | -6,079 | 4,000 | -60% | -$1.04M |
| D | 2026-06-29 16:47 | 2026-06-25 | CBRS | Feldman Andrew D. | CEO, Pres, Dir | C - Cnv Deriv | — | +18.0K | 18.0K | New | — |
| DM | 2026-06-29 16:47 | 2026-06-25 | CBRS | Feldman Andrew D. | CEO, Pres, Dir | S - Sale | $173.06 | -18.0K | 0 | -100% | -$3.11M |
| D | 2026-06-29 16:47 | 2026-06-25 | CBRS | Lie Sean | CTO | C - Cnv Deriv | — | +10.0K | 10.0K | New | — |
| DM | 2026-06-29 16:47 | 2026-06-25 | CBRS | Lie Sean | CTO | S - Sale | $170.07 | -10.0K | 0 | -100% | -$1.71M |
| MI | 2026-06-26 16:49 | 2026-06-25 | CBRS | Susan Lior | Dir | J - Other | — | -1.98M | 41.0K | -98% | — |
| 2026-06-26 16:49 | 2026-06-25 | CBRS | Susan Lior | Dir | J - Other | — | +93.0K | 93.0K | New | — | |
| DI | 2026-06-12 18:14 | 2026-06-11 | CBRS | Susan Lior | Dir | C - Cnv Deriv | — | +13.47M | 13.47M | New | — |
| D | 2026-05-15 20:06 | 2026-05-13 | CBRS | Mallick Dhiraj | COO | F - Tax | $185.00 | -491.1K | 802.0K | -38% | -$90.85M |
| D | 2026-05-15 20:06 | 2026-05-15 | CBRS | Mallick Dhiraj | COO | J - Other | — | -802.0K | 0 | -100% | — |
| DI | 2026-05-15 18:50 | 2026-05-15 | CBRS | Susan Lior | Dir, 10% | J - Other | — | -1.09M | 0 | -100% | — |
| D | 2026-05-15 18:50 | 2026-05-15 | CBRS | Komin Robert Patrick Jr. | CFO | J - Other | — | -854.2K | 0 | -100% | — |
| DI | 2026-05-15 18:50 | 2026-05-15 | CBRS | Komin Robert Patrick Jr. | CFO | J - Other | — | -175.0K | 0 | -100% | — |
| D | 2026-05-15 18:50 | 2026-05-15 | CBRS | DONIO ELENA A. | Dir | J - Other | — | -33.7K | 0 | -100% | — |
| D | 2026-05-15 18:49 | 2026-05-15 | CBRS | Auvil Paul R. III | Dir | J - Other | — | -203.8K | 0 | -100% | — |
| D | 2026-05-15 18:49 | 2026-05-13 | CBRS | Patel Yagnesh | CAO | F - Tax | $185.00 | -19.1K | 130.9K | -13% | -$3.53M |
| D | 2026-05-15 18:49 | 2026-05-15 | CBRS | Patel Yagnesh | CAO | J - Other | — | -130.9K | 0 | -100% | — |
| D | 2026-05-15 18:49 | 2026-05-13 | CBRS | Lie Sean | CTO, 10% | F - Tax | $185.00 | -96.1K | 8.21M | -1% | -$17.78M |
| D | 2026-05-15 18:49 | 2026-05-15 | CBRS | Lie Sean | CTO, 10% | J - Other | — | -8.21M | 0 | -100% | — |
| DI | 2026-05-15 18:49 | 2026-05-15 | CBRS | Lie Sean | CTO, 10% | J - Other | — | -180.6K | 0 | -100% | — |
| D | 2026-05-15 18:49 | 2026-05-13 | CBRS | Feldman Andrew D. | CEO, Pres, Dir, 10% | F - Tax | $185.00 | -107.1K | 14.06M | -0.8% | -$19.81M |
| D | 2026-05-15 18:49 | 2026-05-15 | CBRS | Feldman Andrew D. | CEO, Pres, Dir, 10% | J - Other | — | -14.06M | 0 | -100% | — |
| DMI | 2026-05-15 18:49 | 2026-05-15 | CBRS | Feldman Andrew D. | CEO, Pres, Dir, 10% | J - Other | — | -100.0K | 0 | -100% | — |