| Insider | Role | Shares | Value | Buys | Sells |
|---|---|---|---|---|---|
| Date | Ticker | Insider | Role | Type | Shares | Price | Value | Chg% | SEC |
|---|---|---|---|---|---|---|---|---|---|
| Insider | Role | Shares | Value | Buys | Sells |
|---|---|---|---|---|---|
| Date | Ticker | Insider | Role | Type | Shares | Price | Value | Chg% | SEC |
|---|---|---|---|---|---|---|---|---|---|
Across the last three months, Cerebras Systems Inc.'s insiders have reduced their positions by a net 1,864,452 shares worth roughly $387.7M. In the past 30 days, 0 insiders bought and 3 sold. Sales set the recent tone.
On the other side, 3 insiders reduced their position over the period. CBRS sits in the Semiconductors industry within the Technology sector, so this activity is best read against the sector's broader insider trend.
| Role | Insider | Shares | Value | 30d |
|---|---|---|---|---|
| 10% | 8.86M | - | - | |
| Dir | 372.7K | - | - | |
| Dir | 335.0K | - | - | |
| Other | 317.7K | $65.64M | - | |
| Dir | 200.9K | $42.14M | - |
Buys and sells only
| Date | Insider | Role | Type | Shares | Price | Value | Chg% | SEC |
|---|---|---|---|---|---|---|---|---|
| Sep 29, 2026 | Mallick Dhiraj | Chief Operating Officer | Sale+OE | 396,000 | $204.04 | $80,798,603.74 | -100% | |
| Sep 29, 2026 | Komin Robert Patrick Jr. | Chief Financial Officer | Sell | 32,500 | $203.53 | $6,614,881.88 | -100% | |
| Sep 28, 2026 | Patel Yagnesh | Chief Accounting Officer | Sell | 1,320 | $204.50 | $269,940.00 | -7.9% | |
| Sep 25, 2026 | Lie Sean | Chief Technology Officer | Sale+OE | 120,000 | $208.97 | $25,076,264.28 | -27.9% | |
| Sep 4, 2026 | Feldman Andrew D. | CEO, President | Sale+OE | 37,441 | $210.46 | $7,879,687.16 | -69.0% | |
| Sep 4, 2026 | Vassallo Steven | Director | Sell | 50,000 | $210.30 | $10,515,135.38 | -22.5% | |
| Sep 4, 2026 | Lie Sean | Chief Technology Officer | Sale+OE | 53,460 | $210.16 | $11,235,153.60 | -13.4% | |
| Aug 21, 2026 | Feldman Andrew D. | CEO, President | Sale+OE | 237,559 | $199.27 | $47,338,834.93 | -93.4% | |
| Aug 21, 2026 | Lie Sean | Chief Technology Officer | Sale+OE | 726,540 | $207.90 | $151,050,463.16 | -66.3% | |
| Aug 18, 2026 | Lie Sean | Chief Technology Officer | Sell | 18,628 | $220.30 | $4,103,772.36 | -3.0% |