Benchmark Founders' Fund IX-B L.P. - Insider Trading & Ownership

Real time insider trading transaction history:

  • Insiders are prohibited from making short-swing profits by trading their shares within 6 months of the registration or acquiring the shares.
  • Shares are not adjusted for stock split.
"Insiders might sell their shares for any number of reasons, but they buy them for only one: they think the price will rise"
- Peter Lynch
What is insider trading>>
Time period
Insider Trading Transactions for Benchmark Founders' Fund IX-B L.P.

Stock options: Exercise, Award, Grant, Conversion
Transaction
Date		Reported
DateTime		Exercisable
Expiration		CompanySymnbolInsider
Relationship		Shares
Traded		Conversion
Price		Shares
Owned		Filing
2026-08-24
Other		2026-08-26
4:01 pm		N/A
N/A		Cerebras Systems Inc.CBRSBenchmark Capital Management Co. VIII L.L.C.
Benchmark Capital Partners VIII L.P.
Benchmark Founders' Fund VIII L.P.
Benchmark Founders' Fund VIII-B L.P.
Benchmark Capital Management Co. IX L.L.C.
Benchmark Capital Partners IX L.P.
Benchmark Founders' Fund IX L.P.
Benchmark Founders' Fund IX-A L.P.
Benchmark Founders' Fund IX-B L.P.
10% Owner		963,818$010,515,183
(Indirect)		View
2026-08-24
Conversion		2026-08-26
4:01 pm		N/A
N/A		Cerebras Systems Inc.CBRSBenchmark Capital Management Co. VIII L.L.C.
Benchmark Capital Partners VIII L.P.
Benchmark Founders' Fund VIII L.P.
Benchmark Founders' Fund VIII-B L.P.
Benchmark Capital Management Co. IX L.L.C.
Benchmark Capital Partners IX L.P.
Benchmark Founders' Fund IX L.P.
Benchmark Founders' Fund IX-A L.P.
Benchmark Founders' Fund IX-B L.P.
10% Owner		963,818$010,515,183
(Indirect)		View
2026-08-17
Other		2026-08-19
5:43 pm		N/A
N/A		Cerebras Systems Inc.CBRSBenchmark Capital Management Co. VIII L.L.C.
Benchmark Capital Partners VIII L.P.
Benchmark Founders' Fund VIII L.P.
Benchmark Founders' Fund VIII-B L.P.
Benchmark Capital Management Co. IX L.L.C.
Benchmark Capital Partners IX L.P.
Benchmark Founders' Fund IX L.P.
Benchmark Founders' Fund IX-A L.P.
Benchmark Founders' Fund IX-B L.P.
10% Owner		2,402,352$012,917,535
(Indirect)		View
2026-08-17
Conversion		2026-08-19
5:43 pm		N/A
N/A		Cerebras Systems Inc.CBRSBenchmark Capital Management Co. VIII L.L.C.
Benchmark Capital Partners VIII L.P.
Benchmark Founders' Fund VIII L.P.
Benchmark Founders' Fund VIII-B L.P.
Benchmark Capital Management Co. IX L.L.C.
Benchmark Capital Partners IX L.P.
Benchmark Founders' Fund IX L.P.
Benchmark Founders' Fund IX-A L.P.
Benchmark Founders' Fund IX-B L.P.
10% Owner		2,402,352$012,917,535
(Indirect)		View
2026-05-15
Conversion		2026-05-19
5:00 pm		N/A
N/A		Cerebras Systems Inc.CBRSBenchmark Capital Management Co. VIII L.L.C.
Benchmark Capital Partners VIII L.P.
Benchmark Founders' Fund VIII L.P.
Benchmark Founders' Fund VIII-B L.P.
Benchmark Capital Management Co. IX L.L.C.
Benchmark Capital Partners IX L.P.
Benchmark Founders' Fund IX L.P.
Benchmark Founders' Fund IX-A L.P.
Benchmark Founders' Fund IX-B L.P.
10% Owner		30,150,674$015,075,337
(Indirect)		View

Ownership		2026-05-13
8:07 pm		N/A
N/A		Cerebras Systems Inc.CBRSBenchmark Capital Management Co. VIII L.L.C.
Benchmark Capital Partners VIII L.P.
Benchmark Founders' Fund VIII L.P.
Benchmark Founders' Fund VIII-B L.P.
Benchmark Capital Management Co. IX L.L.C.
Benchmark Capital Partners IX L.P.
Benchmark Founders' Fund IX L.P.
Benchmark Founders' Fund IX-A L.P.
Benchmark Founders' Fund IX-B L.P.
10% Owner		0$015,075,337
(Indirect)		View