Benchmark Capital Management Co. IX, L.L.C. — SEC Form 4 filings
SEC reporting owner CIK 1754445. 3 Form 4 filings on record with FilingPulse; latest filed 2026-08-26.
Transaction summary — filings shown
Covers all 3 filings on record, filed 2026-05-19 to 2026-08-26. Counts and totals are arithmetic on values as filed — descriptive data, not a recommendation.
- Open-market purchases (code P, non-derivative): none reported.
- Open-market sales (code S, non-derivative): none reported.
- Other reported legs (grants, option exercises, tax withholding, gifts, derivative-security transactions, …): 14.
By issuer — same filings
Open-market purchase/sale legs on non-derivative securities, grouped by issuer. Role is as filed on the newest filing for that issuer. Dollar totals cover priced legs only (shares × price as filed). Ordered by priced transaction value, largest first.
| Issuer | Role (as filed) | Filings | Purchases (P) | Sales (S) | Other legs |
|---|---|---|---|---|---|
| Cerebras Systems Inc. (CBRS) | 10% owner | 3 | — | — | 14 |
Form 4 filings — Benchmark Capital Management Co. IX, L.L.C.
| Filed | Form | Issuer | Reported transactions | Source |
|---|---|---|---|---|
| 2026-08-26 | 4 | Cerebras Systems Inc. (CBRS) jointly with Benchmark 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 Partners IX, L.P., Benchmark Founders' Fund IX, L.P., Benchmark Founders' Fund IX-A, L.P., Benchmark Founders' Fund IX-B, L.P. | Conversion (C): 963,818 @ $0 · Other (J): 963,818 @ $0 · Conversion (C): 963,818 (derivative) @ $0 | EDGAR |
| 2026-08-19 | 4 | Cerebras Systems Inc. (CBRS) jointly with Benchmark 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 Partners IX, L.P., Benchmark Founders' Fund IX, L.P., Benchmark Founders' Fund IX-A, L.P., Benchmark Founders' Fund IX-B, L.P. | Conversion (C): 2,402,352 @ $0 · Other (J): 2,402,352 @ $0 · Conversion (C): 2,402,352 (derivative) @ $0 | EDGAR |
| 2026-05-19 | 4 | Cerebras Systems Inc. (CBRS) jointly with Benchmark 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 Partners IX, L.P., Benchmark Founders' Fund IX, L.P., Benchmark Founders' Fund IX-A, L.P., Benchmark Founders' Fund IX-B, L.P. | Conversion (C): 12,588,235 (derivative) @ $0 · Conversion (C): 1,425,394 (derivative) @ $0 · Conversion (C): 335,293 (derivative) @ $0 · Conversion (C): 30,968 (derivative) @ $0 · Conversion (C): 5,457 (derivative) @ $0 · Conversion (C): 689,990 (derivative) @ $0 · +2 more | EDGAR |
FilingPulse's Form 4 archive currently extends back to 2024-01-11 and is expanding backward through EDGAR history — earlier filings by this insider may not be indexed yet. Names and roles are shown as filed.
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