Form 4: Cerebras Systems Insider Reports Stock Transaction
Insider Transaction (Form 4)
Foundation Capital Management Co. VIII, L.L.C. and 4 others reported changes in beneficial ownership of Cerebras Systems Inc. common stock on August 21, 2026.
Summary
- Conversion of derivative: acquired 1,112,904 Class A Common Stock on August 21, 2026; holds 1,112,904 after (Indirect).
- Conversion of derivative: acquired 23,970 Class A Common Stock on August 21, 2026; holds 23,970 after (Indirect).
- Conversion of derivative: acquired 87,313 Class A Common Stock on August 21, 2026; holds 87,313 after (Indirect).
- Other acquisition/disposition: disposed of 1,112,904 Class A Common Stock on August 21, 2026 (Indirect).
- Other acquisition/disposition: disposed of 23,970 Class A Common Stock on August 21, 2026 (Indirect).
- Other acquisition/disposition: disposed of 87,313 Class A Common Stock on August 21, 2026 (Indirect).
- Other acquisition/disposition: acquired 287,932 Class A Common Stock on August 21, 2026; holds 287,932 after (Indirect).
- Other acquisition/disposition: disposed of 287,932 Class A Common Stock on August 21, 2026 (Indirect).
- Other acquisition/disposition: acquired 18,155 Class A Common Stock on August 21, 2026; holds 18,155 after (Indirect).
- Other acquisition/disposition: disposed of 18,155 Class A Common Stock on August 21, 2026 (Indirect).
- Conversion of derivative: disposed of 1,112,904 Class B Common Stock on August 21, 2026; holds 9,320,575 after (Indirect).
- Conversion of derivative: disposed of 23,970 Class B Common Stock on August 21, 2026; holds 200,751 after (Indirect).
- Conversion of derivative: disposed of 87,313 Class B Common Stock on August 21, 2026; holds 731,246 after (Indirect).
Sentiment
Score: 5
Explanation: StockSavvy.ai views this as routine: the reported changes are grants, option exercises, tax withholding or similar administrative transactions, which carry limited directional signal.
Insider Transactions
Foundation Capital Management Co. VIII, L.L.C. — 10% owner
Foundation Capital VIII, L.P. — 10% owner
Foundation Capital VIII Principals Fund, L.L.C. — 10% owner
Foundation Capital Management Co. LF II, L.L.C. — 10% owner
Foundation Capital Leadership Fund II, L.P. — 10% owner
| Date | Transaction | Security | Shares | Price | Value | Held After |
|---|---|---|---|---|---|---|
| 2026-08-21 | Conversion of derivative | Class A Common Stock | 1,112,904 | — | — | 1,112,904 |
| 2026-08-21 | Conversion of derivative | Class A Common Stock | 23,970 | — | — | 23,970 |
| 2026-08-21 | Conversion of derivative | Class A Common Stock | 87,313 | — | — | 87,313 |
| 2026-08-21 | Other acquisition/disposition | Class A Common Stock | 1,112,904 | — | — | 0 |
| 2026-08-21 | Other acquisition/disposition | Class A Common Stock | 23,970 | — | — | 0 |
| 2026-08-21 | Other acquisition/disposition | Class A Common Stock | 87,313 | — | — | 0 |
| 2026-08-21 | Other acquisition/disposition | Class A Common Stock | 287,932 | — | — | 287,932 |
| 2026-08-21 | Other acquisition/disposition | Class A Common Stock | 287,932 | — | — | 0 |
| 2026-08-21 | Other acquisition/disposition | Class A Common Stock | 18,155 | — | — | 18,155 |
| 2026-08-21 | Other acquisition/disposition | Class A Common Stock | 18,155 | — | — | 0 |
| 2026-08-21 | Conversion of derivative | Class B Common Stock | 1,112,904 | — | — | 9,320,575 |
| 2026-08-21 | Conversion of derivative | Class B Common Stock | 23,970 | — | — | 200,751 |
| 2026-08-21 | Conversion of derivative | Class B Common Stock | 87,313 | — | — | 731,246 |
Key Dates
| Date | Description |
|---|---|
| 2026-08-21 | Conversion of derivative (1,112,904 shares) |
| 2026-08-21 | Conversion of derivative (23,970 shares) |
| 2026-08-21 | Conversion of derivative (87,313 shares) |
| 2026-08-21 | Other acquisition/disposition (1,112,904 shares) |
| 2026-08-21 | Other acquisition/disposition (23,970 shares) |
| 2026-08-21 | Other acquisition/disposition (87,313 shares) |
| 2026-08-21 | Other acquisition/disposition (287,932 shares) |
| 2026-08-21 | Other acquisition/disposition (287,932 shares) |
| 2026-08-21 | Other acquisition/disposition (18,155 shares) |
| 2026-08-21 | Other acquisition/disposition (18,155 shares) |
| 2026-08-21 | Conversion of derivative (1,112,904 shares) |
| 2026-08-21 | Conversion of derivative (23,970 shares) |
| 2026-08-21 | Conversion of derivative (87,313 shares) |
Keywords
insider transaction, Form 4, CBRS, Cerebras Systems Inc., neutral, Foundation Capital Management Co. VIII, L.L.C., Foundation Capital VIII, L.P., Foundation Capital VIII Principals Fund, L.L.C., Foundation Capital Management Co. LF II, L.L.C., Foundation Capital Leadership Fund II, L.P.
Disclaimer:The information provided here is for general informational purposes only and does not constitute financial advice, recommendation, or endorsement of any kind. It may contain errors or omissions. You should not rely on this information to make financial decisions. Always seek the advice of a qualified financial professional before making any investment or financial decisions. Use of this information is at your own risk.