CBRS.NASDAQCerebras Systems INC
Form 4: Cerebras Systems CFO Sells Shares
Sentiment:
Insider Transaction (Form 4)
Robert Patrick Komin Jr., Chief Financial Officer of Cerebras Systems Inc., sold 32,500 shares of common stock on September 29, 2026.
Summary
- Open-market sale: disposed of 1,830 Class A Common Stock at $211.79 ($387,576) on September 29, 2026; holds 30,670 after (Direct).
- Open-market sale: disposed of 2,771 Class A Common Stock at $211.03 ($584,764) on September 29, 2026; holds 27,899 after (Direct).
- Open-market sale: disposed of 2,802 Class A Common Stock at $210.02 ($588,476) on September 29, 2026; holds 25,097 after (Direct).
- Open-market sale: disposed of 2,197 Class A Common Stock at $208.98 ($459,129) on September 29, 2026; holds 22,900 after (Direct).
- Open-market sale: disposed of 700 Class A Common Stock at $207.83 ($145,481) on September 29, 2026; holds 22,200 after (Direct).
- Open-market sale: disposed of 800 Class A Common Stock at $206.68 ($165,344) on September 29, 2026; holds 21,400 after (Direct).
- Open-market sale: disposed of 600 Class A Common Stock at $205.47 ($123,282) on September 29, 2026; holds 20,800 after (Direct).
- Open-market sale: disposed of 1,600 Class A Common Stock at $204.26 ($326,816) on September 29, 2026; holds 19,200 after (Direct).
- Open-market sale: disposed of 800 Class A Common Stock at $203.48 ($162,784) on September 29, 2026; holds 18,400 after (Direct).
- Open-market sale: disposed of 400 Class A Common Stock at $201.96 ($80,784) on September 29, 2026; holds 18,000 after (Direct).
- Open-market sale: disposed of 11,200 Class A Common Stock at $201.22 ($2,253,664) on September 29, 2026; holds 6,800 after (Direct).
- Open-market sale: disposed of 1,130 Class A Common Stock at $199.80 ($225,774) on September 29, 2026; holds 5,670 after (Direct).
- Open-market sale: disposed of 870 Class A Common Stock at $198.70 ($172,869) on September 29, 2026; holds 4,800 after (Direct).
- Open-market sale: disposed of 685 Class A Common Stock at $197.48 ($135,274) on September 29, 2026; holds 4,115 after (Direct).
- Open-market sale: disposed of 1,115 Class A Common Stock at $195.61 ($218,105) on September 29, 2026; holds 3,000 after (Direct).
- Open-market sale: disposed of 3,000 Class A Common Stock at $194.92 ($584,760) on September 29, 2026 (Direct).
Sentiment
Score: 4
Explanation: StockSavvy.ai views this as a mildly negative but low-conviction signal: an insider sold $6,614,882 of stock under a pre-arranged Rule 10b5-1 plan, which is typically routine.
Insider Transactions
Robert Patrick Komin Jr. — Officer (Chief Financial Officer)
Transaction made under a Rule 10b5-1 trading plan.
| Date | Transaction | Security | Shares | Price | Value | Held After |
|---|---|---|---|---|---|---|
| 2026-09-29 | Open-market sale | Class A Common Stock | 1,830 | $212 | $387.6K | 30,670 |
| 2026-09-29 | Open-market sale | Class A Common Stock | 2,771 | $211 | $584.8K | 27,899 |
| 2026-09-29 | Open-market sale | Class A Common Stock | 2,802 | $210 | $588.5K | 25,097 |
| 2026-09-29 | Open-market sale | Class A Common Stock | 2,197 | $209 | $459.1K | 22,900 |
| 2026-09-29 | Open-market sale | Class A Common Stock | 700 | $208 | $145.5K | 22,200 |
| 2026-09-29 | Open-market sale | Class A Common Stock | 800 | $207 | $165.3K | 21,400 |
| 2026-09-29 | Open-market sale | Class A Common Stock | 600 | $205 | $123.3K | 20,800 |
| 2026-09-29 | Open-market sale | Class A Common Stock | 1,600 | $204 | $326.8K | 19,200 |
| 2026-09-29 | Open-market sale | Class A Common Stock | 800 | $203 | $162.8K | 18,400 |
| 2026-09-29 | Open-market sale | Class A Common Stock | 400 | $202 | $80.8K | 18,000 |
| 2026-09-29 | Open-market sale | Class A Common Stock | 11,200 | $201 | $2.3M | 6,800 |
| 2026-09-29 | Open-market sale | Class A Common Stock | 1,130 | $200 | $225.8K | 5,670 |
| 2026-09-29 | Open-market sale | Class A Common Stock | 870 | $199 | $172.9K | 4,800 |
| 2026-09-29 | Open-market sale | Class A Common Stock | 685 | $197 | $135.3K | 4,115 |
| 2026-09-29 | Open-market sale | Class A Common Stock | 1,115 | $196 | $218.1K | 3,000 |
| 2026-09-29 | Open-market sale | Class A Common Stock | 3,000 | $195 | $584.8K | 0 |
Key Dates
| Date | Description |
|---|---|
| 2026-09-29 | Open-market sale (1,830 shares) |
| 2026-09-29 | Open-market sale (2,771 shares) |
| 2026-09-29 | Open-market sale (2,802 shares) |
| 2026-09-29 | Open-market sale (2,197 shares) |
| 2026-09-29 | Open-market sale (700 shares) |
| 2026-09-29 | Open-market sale (800 shares) |
| 2026-09-29 | Open-market sale (600 shares) |
| 2026-09-29 | Open-market sale (1,600 shares) |
| 2026-09-29 | Open-market sale (800 shares) |
| 2026-09-29 | Open-market sale (400 shares) |
| 2026-09-29 | Open-market sale (11,200 shares) |
| 2026-09-29 | Open-market sale (1,130 shares) |
| 2026-09-29 | Open-market sale (870 shares) |
| 2026-09-29 | Open-market sale (685 shares) |
| 2026-09-29 | Open-market sale (1,115 shares) |
| 2026-09-29 | Open-market sale (3,000 shares) |
Keywords
insider transaction, Form 4, CBRS, Cerebras Systems Inc., bearish, Robert Patrick Komin Jr.
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