Sean Lie insider trades: Cerebras Systems (CBRS) stock sales
Trades on the price chart
Daily close, with an arrow on each day they bought or sold
Companies
Where Sean reports to the SEC
Open-market buys and sales
6 trades reported on SEC Form 4, newest first
| Date | Stock | Type | Shares | Price | Value | Holding | Reported |
|---|---|---|---|---|---|---|---|
| Oct 27, 2026 | CBRS | ↓ Sell | 60,000 | $115.79 | $6.9M | Direct | Oct 28, 2026 (1d) |
| Sep 25, 2026 | CBRS | ↓ Sell | 120,000 | $208.97 | $25.1M | Direct | Sep 28, 2026 (3d) |
| Sep 4, 2026 | CBRS | ↓ Sell | 53,460 | $210.16 | $11.2M | Direct | Sep 8, 2026 (4d) |
| Aug 21, 2026 | CBRS | ↓ Sell | 726,540 | $207.90 | $151.1M | Direct | Aug 21, 2026 (0d) |
| Aug 18, 2026 | CBRS | ↓ Sell | 21,257 | $222.22 | $4.7M | Direct | Aug 20, 2026 (2d) |
| Jun 25, 2026 | CBRS | ↓ Sell | 10,033 | $170.07 | $1.7M | Direct | Jun 29, 2026 (4d) |
Each row is one filing's trades in one stock, summed. Shares and prices are as filed, before any later stock split.
Other CBRS insiders
Open-market trades in the last 12 months
About Sean Lie's insider trades
Sean Lie is Chief Technology Officer at Cerebras Systems (CBRS). Since Jun 25, 2026, Sean has reported no open-market purchases and 6 sales worth $200.7M on SEC Form 4. In the last 12 months: 6 sales ($200.7M).
Their filings also include conversions (6 filings), option exercises (4 filings), gifts (4 filings), other transactions (1 filing). These aren't open-market trades and aren't counted above.
How to read insider trades
Officers, directors and owners of more than 10% of a company must report trades in its stock on SEC Form 4, usually within two business days. Purchases with their own money are the stronger signal: insiders sell for many reasons (taxes, diversification, a house), but buy for one. See every CBRS insider trade, the latest insider trades across the market, or cluster buys, when several insiders buy the same stock within days.