Benchmark Founders' Fund IX-B, L.P.: insider trades.
Benchmark Founders' Fund IX-B, L.P. reported 4 non-derivative transactions on 2 SEC ownership filings in Q3 2026: 0 open-market purchases and 0 sales, across 1 company.
- Transactions
- 4
- Purchases (P)
- 0
- Sales (S)
- 0
- Companies
- 1
- Name as filed
- Benchmark Founders' Fund IX-B, L.P.
Companies
| Company | Relationship | Transactions |
|---|---|---|
| Cerebras Systems Inc. (CBRS) | TenPercentOwner | 4 |
Transactions
| Date | Company | Code | Shares | Price | Owned after | Filing |
|---|---|---|---|---|---|---|
| 2026-08-24 | Cerebras Systems Inc. | J | 963,818 | $0 | 0 | Form 4 |
| 2026-08-24 | Cerebras Systems Inc. | C | 963,818 | $0 | 963,818 | Form 4 |
| 2026-08-17 | Cerebras Systems Inc. | J | 2,402,352 | $0 | 0 | Form 4 |
| 2026-08-17 | Cerebras Systems Inc. | C | 2,402,352 | $0 | 2,402,352 | Form 4 |
Questions
What stock did Benchmark Founders' Fund IX-B, L.P. buy or sell?
Benchmark Founders' Fund IX-B, L.P. reported 4 non-derivative transactions on 2 SEC ownership filings in Q3 2026: 0 open-market purchases and 0 sales, across 1 company.
Is Benchmark Founders' Fund IX-B, L.P. the same person as other filers with this name?
This page covers SEC CIK 1754351 only. The SEC assigns each reporting owner a CIK, and people with the same name have different CIKs.
Source: SEC Insider Transactions Data Sets, Q3 2026. Reported as filed; we do not assess intent, performance or compliance. All filings for this CIK on SEC.gov.
Plain-text version for agents and LLMs: /insiders/benchmark-founders-fund-ix-b-l-p-1754351.md
Independent. Not affiliated with, endorsed by, or sponsored by the U.S. Securities and Exchange Commission. Data is reproduced from public SEC filings and datasets. Not investment advice.