# SIEBEL SYSTEMS INC

SIEBEL SYSTEMS INC is a company headquartered in San Mateo, CA, United States.

## Company overview

- **Legal name:** SIEBEL SYSTEMS INC
- **Classification:** Company
- **Industry (SIC):** 7372 — Services-Prepackaged Software
- **Headquarters:** San Mateo, CA, United States
- **Incorporated in:** DE
- **Fiscal year end:** December 31
- **SEC CIK:** 0001006835

## About

SIEBEL SYSTEMS INC is identified in the retained SEC EDGAR snapshot dated 2026-10-14. Its SEC Central Index Key is 0001006835, and its reported industry is Services-Prepackaged Software. The retained history contains 12 filings, including 8-K filed on 2006-01-30. Each filing retains its accession, filing date and original SEC document link. This historical evidence does not establish current registration, listing, ownership or financial condition.

## Recent SEC filings

- Form 8-K — filed 2006-01-30 — period 2006-01-24 — FORM 8-K
- Form 8-K — filed 2006-01-26 — period 2006-01-25 — FORM 8-K
- Form 8-K — filed 2006-01-12 — period 2006-01-12 — FORM 8-K
- Form 8-K — filed 2005-11-17 — period 2005-11-15 — FORM 8-K
- Form 10-Q — filed 2005-11-07 — period 2005-09-30 — FORM 10-Q
- Form 8-K — filed 2005-10-26 — period 2005-10-26 — FORM 8-K
- Form 8-K — filed 2005-10-05 — period 2005-10-05 — FORM 8-K
- Form SC 13D — filed 2005-09-22 — SCHEDULE 13D
- Form 8-K — filed 2005-09-19 — period 2005-08-28 — FORM 8-K
- Form 8-K — filed 2005-09-12 — period 2005-09-12 — FORM 8-K
- Form SC 13G — filed 2005-08-11 — SECHEDULE 13G
- Form 10-Q — filed 2005-08-05 — period 2005-06-30 — FORM 10-Q

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Updated: 2026-10-23T22:26:34Z

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