Sean Lie, Chief Technology Officer at Cerebras Systems Inc. (CBRS), sold 21,257 shares at $214.85 ($4.7M) on 2026-08-18, disclosed to the SEC on 2026-08-20.
Open-market sale of $4.7M CBRS by Chief Technology Officer. Not flagged as scheduled, tax-driven, or recurring — but no specific bearish signal from our filters. Reasons for insider sales vary widely.
Something here stands out, but not much.
| # | Price | Shares | Value | % of Total |
|---|---|---|---|---|
| 1 | $214.85 | 1 | $215 | 0.0% |
| 2 | $215.67 | 1,059 | $228K | 4.8% |
| 3 | $216.40 | 1,807 | $391K | 8.3% |
| 4 | $217.58 | 1,344 | $292K | 6.2% |
| 5 | $218.54 | 1,670 | $365K | 7.7% |
| 6 | $219.58 | 1,894 |
| $416K |
| 8.8% |
| 7 | $220.43 | 3,723 | $821K | 17.4% |
| 8 | $221.47 | 3,409 | $755K | 16.0% |
| 9 | $222.42 | 1,599 | $356K | 7.5% |
| 10 | $223.54 | 492 | $110K | 2.3% |
| 11 | $224.52 | 202 | $45K | 1.0% |
| 12 | $225.51 | 335 | $76K | 1.6% |
| 13 | $226.46 | 457 | $103K | 2.2% |
| 14 | $227.37 | 347 | $79K | 1.7% |
| 15 | $228.53 | 95 | $22K | 0.5% |
| 16 | $229.46 | 147 | $34K | 0.7% |
| 17 | $230.67 | 47 | $11K | 0.2% |
| 18 | $231.57 | 243 | $56K | 1.2% |
| 19 | $232.62 | 277 | $64K | 1.4% |
| 20 | $233.31 | 224 | $52K | 1.1% |
| 21 | $234.47 | 590 | $138K | 2.9% |
| 22 | $235.50 | 301 | $71K | 1.5% |
| 23 | $236.43 | 203 | $48K | 1.0% |
| 24 | $237.23 | 11 | $3K | 0.1% |
| 25 | $238.78 | 9 | $2K | 0.0% |
| 26 | $240.01 | 771 | $185K | 3.9% |
| Total | $222.22 avg | 21,257 | $4.7M | 100% |
| Filing → |
| CBRS | SELL | 2026-08-21 | $151.1M | — | Filing → |
| CBRS | SELL | 2026-06-29 | $1.7M | — | Filing → |