Cerebras Systems Inc. (CBRS) Insider Trading
Directors, officers and holders of more than 10% of CBRS report their trades in its stock on SEC Form 4, within two business days. Each row below is one Form 4 transaction line. The one-letter code says what kind of transaction it was: only P (purchase) and S (sale) are open-market or private trades; awards, option exercises, tax withholding and gifts carry other codes.
Recent Form 4 transactions
The 50 most recent of 599 transactions on file: 0 with code P, 23 with code S and 27 with other codes.
| Date | Insider | Title | Code | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Oct 27, 2026 | Lie Sean | Chief Technology Officer | C Conversion | 32,023 | Not measured | Not measured |
| Oct 27, 2026 | Lie Sean | Chief Technology Officer | C Conversion | 32,023 | Not measured | Not measured |
| Oct 27, 2026 | Lie Sean | Chief Technology Officer | G Gift | 18,000 | Not measured | Not measured |
| Oct 27, 2026 | Lie Sean | Chief Technology Officer | M Exercise | 28,898 | Not measured | Not measured |
| Oct 27, 2026 | Lie Sean | Chief Technology Officer | S Sale | 100 | $113.92 | $11,392 |
| Oct 27, 2026 | Lie Sean | Chief Technology Officer | M Exercise | 3,125 | Not measured | Not measured |
| Oct 27, 2026 | Lie Sean | Chief Technology Officer | S Sale | 45,400 | $115.46 | $5,241,884 |
| Oct 27, 2026 | Lie Sean | Chief Technology Officer | M Exercise | 32,023 | Not measured | Not measured |
| Oct 27, 2026 | Lie Sean | Chief Technology Officer | S Sale | 14,500 | $116.82 | $1,693,890 |
| Oct 5, 2026 | Vishria Eric | Director | J Other | 59,126 | Not measured | Not measured |
| Oct 5, 2026 | Feldman Andrew D. | CEO, President | J Other | 159 | Not measured | Not measured |
| Sep 30, 2026 | Susan Lior | Director | J Other | 63,056 | Not measured | Not measured |
| Sep 30, 2026 | Susan Lior | Director | J Other | 68,428 | Not measured | Not measured |
| Sep 30, 2026 | Susan Lior | Director | J Other | 1,198,489 | Not measured | Not measured |
| Sep 25, 2026 | Lie Sean | Chief Technology Officer | G Gift | 36,000 | Not measured | Not measured |
| Sep 25, 2026 | Lie Sean | Chief Technology Officer | S Sale | 500 | $212.14 | $106,070 |
| Sep 25, 2026 | Lie Sean | Chief Technology Officer | S Sale | 6,869 | $207.54 | $1,425,592 |
| Sep 25, 2026 | Lie Sean | Chief Technology Officer | C Conversion | 120,000 | Not measured | Not measured |
| Sep 25, 2026 | Lie Sean | Chief Technology Officer | S Sale | 9,177 | $211.32 | $1,939,284 |
| Sep 25, 2026 | Lie Sean | Chief Technology Officer | C Conversion | 120,000 | Not measured | Not measured |
| Sep 25, 2026 | Lie Sean | Chief Technology Officer | M Exercise | 3,125 | Not measured | Not measured |
| Sep 25, 2026 | Lie Sean | Chief Technology Officer | M Exercise | 120,000 | Not measured | Not measured |
| Sep 25, 2026 | Lie Sean | Chief Technology Officer | S Sale | 30,565 | $210.45 | $6,432,404 |
| Sep 25, 2026 | Lie Sean | Chief Technology Officer | S Sale | 29,991 | $209.53 | $6,284,014 |
| Sep 25, 2026 | Lie Sean | Chief Technology Officer | S Sale | 2,200 | $204.50 | $449,900 |
| Sep 25, 2026 | Lie Sean | Chief Technology Officer | S Sale | 13,776 | $206.63 | $2,846,535 |
| Sep 25, 2026 | Lie Sean | Chief Technology Officer | S Sale | 5,900 | $205.30 | $1,211,270 |
| Sep 25, 2026 | Lie Sean | Chief Technology Officer | M Exercise | 116,875 | Not measured | Not measured |
| Sep 25, 2026 | Lie Sean | Chief Technology Officer | S Sale | 21,022 | $208.41 | $4,381,195 |
| Sep 23, 2026 | Susan Lior | Director | J Other | 23,735 | Not measured | Not measured |
| Sep 23, 2026 | Susan Lior | Director | J Other | 451,118 | Not measured | Not measured |
| Sep 23, 2026 | Susan Lior | Director | J Other | 25,757 | Not measured | Not measured |
| Sep 21, 2026 | Feldman Andrew D. | CEO, President | J Other | 120 | Not measured | Not measured |
| Sep 21, 2026 | Vishria Eric | Director | J Other | 44,507 | Not measured | Not measured |
| Sep 15, 2026 | Susan Lior | Director | J Other | 23,734 | Not measured | Not measured |
| Sep 15, 2026 | Susan Lior | Director | J Other | 24,463 | Not measured | Not measured |
| Sep 15, 2026 | Susan Lior | Director | J Other | 451,115 | Not measured | Not measured |
| Sep 8, 2026 | Feldman Andrew D. | CEO, President | J Other | 120 | Not measured | Not measured |
| Sep 8, 2026 | Vishria Eric | Director | J Other | 44,507 | Not measured | Not measured |
| Sep 4, 2026 | Feldman Andrew D. | CEO, President | S Sale | 600 | $215.81 | $129,486 |
| Sep 4, 2026 | Feldman Andrew D. | CEO, President | S Sale | 100 | $216.62 | $21,662 |
| Sep 4, 2026 | Feldman Andrew D. | CEO, President | S Sale | 6,721 | $209.99 | $1,411,343 |
| Sep 4, 2026 | Feldman Andrew D. | CEO, President | S Sale | 7,439 | $211.85 | $1,575,952 |
| Sep 4, 2026 | Feldman Andrew D. | CEO, President | S Sale | 1,500 | $207.80 | $311,700 |
| Sep 4, 2026 | Feldman Andrew D. | CEO, President | S Sale | 800 | $206.30 | $165,040 |
| Sep 4, 2026 | Feldman Andrew D. | CEO, President | S Sale | 6,153 | $210.91 | $1,297,729 |
| Sep 4, 2026 | Feldman Andrew D. | CEO, President | S Sale | 1,707 | $208.84 | $356,490 |
| Sep 4, 2026 | Feldman Andrew D. | CEO, President | S Sale | 3,324 | $213.04 | $708,145 |
| Sep 4, 2026 | Feldman Andrew D. | CEO, President | S Sale | 300 | $201.75 | $60,525 |
| Sep 4, 2026 | Feldman Andrew D. | CEO, President | S Sale | 300 | $200.79 | $60,237 |
The full Form 4 history is on the CBRS company page (Insider Trades card, View all).
Questions about this data
Which insider transactions are open-market trades?
Code P (open market or private purchase) and code S (open market or private sale). Code F is shares withheld to pay tax on vesting stock, A is an award from the company, M and X are option exercises and G is a gift. None of those is the insider choosing to buy or sell in the market.
How quickly are insider trades reported?
A Form 4 is due before the end of the second business day after the trade. The date shown is the transaction date from the form.
Who has to file Form 4?
Officers, directors and beneficial owners of more than 10% of a class of the company’s registered equity, under Section 16 of the Securities Exchange Act.
Look up any code in the Form 4 transaction code reference, or read Form 4 codes explained.