SC 13G/A 1 dsc13ga.txt AMENDMENT NO. 5 TO SCHEDULE 13G ----------------------------------- OMB APPROVAL ----------------------------------- ----------------------------------- OMB Number: 3235-0145 Expires: October 31, 2002 Estimated average burden hours per response 14.90 ----------------------------------- UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE 13G UNDER THE SECURITIES EXCHANGE ACT OF 1934 (AMENDMENT NO. 5)* Siebel Systems, Inc. ---------------------------------------------------------------- (Name of Issuer) Common Stock ---------------------------------------------------------------- (Title of Class of Securities) 826170102 ---------------------------------------------------------------- (CUSIP Number) December 31, 2001 ---------------------------------------------------------------- (Date of Event Which Requires Filing of This Statement) Check the appropriate box to designate the rule pursuant to which this Schedule is filed: [ ] Rule 13d-1(b) [ ] Rule 13d-1(c) [X] Rule 13d-1(d) *The remainder of this cover page shall be filled out for a reporting person's initial filing on this form with respect to the subject class of securities, and for any subsequent amendment containing information which would alter the disclosures provided in a prior cover page. The information required in the remainder of this cover page shall not be deemed to be "filed" for the purpose of Section 18 of the Securities Exchange Act of 1934 ("Act") or otherwise subject to the liabilities of that section of the Act but shall be subject to all other provisions of the Act (however, see the Notes). POTENTIAL PERSONS WHO ARE TO RESPOND TO THE COLLECTION OF INFORMATION CONTAINED IN THIS FORM ARE NOT REQUIRED TO RESPOND UNLESS THE FORM DISPLAYS A CURRENTLY VALID OMB CONTROL NUMBER. SEC 1745 (3-98) Page 1 of 11 pages ------------------ --------------------- CUSIP No. 82617012 13G Page 2 of 11 Pages ------------------ --------------------- ------------------------------------------------------------------------------ NAMES OF REPORTING PERSONS 1 I.R.S. IDENTIFICATION NO(S) OF ABOVE PERSON(S) (ENTITIES ONLY) Thomas M. Siebel ------------------------------------------------------------------------------ CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (SEE INSTRUCTIONS)* 2 (a) [_] (b) [_] ------------------------------------------------------------------------------ SEC USE ONLY 3 ------------------------------------------------------------------------------ CITIZENSHIP OR PLACE OF ORGANIZATION 4 USA ------------------------------------------------------------------------------ NUMBER OF SOLE VOTING POWER 5 SHARES 61,559,200 (1) ----------------------------------------------------------- BENEFICIALLY SHARED VOTING POWER 6 OWNED BY -0- ----------------------------------------------------------- EACH SOLE DISPOSITIVE POWER 7 REPORTING 61,559,200 (1) ----------------------------------------------------------- PERSON SHARED DISPOSITIVE POWER 8 WITH -0- ------------------------------------------------------------------------------ AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 9 61,559,200 (1) ------------------------------------------------------------------------------ CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES 10 (SEE INSTRUCTIONS)* [_] ------------------------------------------------------------------------------ PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9) 11 12.6% ------------------------------------------------------------------------------ TYPE OF REPORTING PERSON (SEE INSTRUCTIONS)* 12 IN ------------------------------------------------------------------------------ (1) Includes 29,035,662 shares held by Thomas M. Siebel, Trustee or Successor Trustee of the Siebel Living Trust u/a/d 7/27/93, 2,349,904 shares held by Siebel Asset Management L.P., 1,650,000 shares held by Siebel Asset Management II L.P., 1,600,000 shares held by Siebel Asset Management III L.P., and 1,600,000 shares held by Siebel Asset Management IV L.P. Also includes 25,323,634 shares issuable pursuant to options exercisable within 60 days of December 31, 2001. *SEE INSTRUCTION BEFORE FILLING OUT! Page 2 of 11 pages ------------------ --------------------- CUSIP No. 82617012 13G Page 3 of 11 Pages ------------------ --------------------- ------------------------------------------------------------------------------ NAMES OF REPORTING PERSONS 1 I.R.S. IDENTIFICATION NO(S) OF ABOVE PERSON(S) (ENTITIES ONLY) Thomas M. Siebel Trustee or Successor Trustee of the Siebel Living Trust u/a/d 7/27/93 ------------------------------------------------------------------------------ CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (SEE INSTRUCTIONS)* 2 (a) [_] (b) [_] ------------------------------------------------------------------------------ SEC USE ONLY 3 ------------------------------------------------------------------------------ CITIZENSHIP OR PLACE OF ORGANIZATION 4 California ------------------------------------------------------------------------------ NUMBER OF SOLE VOTING POWER 5 SHARES 29,035,662 ----------------------------------------------------------- BENEFICIALLY SHARED VOTING POWER 6 OWNED BY -0- ----------------------------------------------------------- EACH SOLE DISPOSITIVE POWER 7 REPORTING 29,035,662 ----------------------------------------------------------- PERSON SHARED DISPOSITIVE POWER 8 WITH -0- ------------------------------------------------------------------------------ AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 9 29,035,662 ------------------------------------------------------------------------------ CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES 10 (SEE INSTRUCTIONS)* [_] ------------------------------------------------------------------------------ PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9) 11 6.3% ------------------------------------------------------------------------------ TYPE OF REPORTING PERSON (SEE INSTRUCTIONS)* 12 OO ------------------------------------------------------------------------------ *SEE INSTRUCTION BEFORE FILLING OUT! Page 3 of 11 pages ------------------ --------------------- CUSIP No. 82617012 13G Page 4 of 11 Pages ------------------ --------------------- ------------------------------------------------------------------------------ NAMES OF REPORTING PERSONS 1 I.R.S. IDENTIFICATION NO(S) OF ABOVE PERSON(S) (ENTITIES ONLY) Siebel Asset Management L.P. ------------------------------------------------------------------------------ CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (SEE INSTRUCTIONS)* 2 (a) [_] (b) [_] ------------------------------------------------------------------------------ SEC USE ONLY 3 ------------------------------------------------------------------------------ CITIZENSHIP OR PLACE OF ORGANIZATION 4 California ------------------------------------------------------------------------------ NUMBER OF SOLE VOTING POWER 5 SHARES 2,349,904 ----------------------------------------------------------- BENEFICIALLY SHARED VOTING POWER 6 OWNED BY -0- ----------------------------------------------------------- EACH SOLE DISPOSITIVE POWER 7 REPORTING 2,349,904 ----------------------------------------------------------- PERSON SHARED DISPOSITIVE POWER 8 WITH -0- ------------------------------------------------------------------------------ AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 9 2,349,904 ------------------------------------------------------------------------------ CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES 10 (SEE INSTRUCTIONS)* [_] ------------------------------------------------------------------------------ PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9) 11 0.5% ------------------------------------------------------------------------------ TYPE OF REPORTING PERSON (SEE INSTRUCTIONS)* 12 PN ------------------------------------------------------------------------------ *SEE INSTRUCTION BEFORE FILLING OUT! Page 4 of 11 pages ------------------ --------------------- CUSIP No. 82617012 13G Page 5 of 11 Pages ------------------ --------------------- ------------------------------------------------------------------------------ NAMES OF REPORTING PERSONS 1 I.R.S. IDENTIFICATION NO(S) OF ABOVE PERSON(S) (ENTITIES ONLY) Siebel Asset Management II, L.P. ------------------------------------------------------------------------------ CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (SEE INSTRUCTIONS)* 2 (a) [_] (b) [_] ------------------------------------------------------------------------------ SEC USE ONLY 3 ------------------------------------------------------------------------------ CITIZENSHIP OR PLACE OF ORGANIZATION 4 California ------------------------------------------------------------------------------ NUMBER OF SOLE VOTING POWER 5 SHARES 1,650,000 ----------------------------------------------------------- BENEFICIALLY SHARED VOTING POWER 6 OWNED BY -0- ----------------------------------------------------------- EACH SOLE DISPOSITIVE POWER 7 REPORTING 1,650,000 ----------------------------------------------------------- PERSON SHARED DISPOSITIVE POWER 8 WITH -0- ------------------------------------------------------------------------------ AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 9 1,650,000 ------------------------------------------------------------------------------ CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES 10 (SEE INSTRUCTIONS)* [_] ------------------------------------------------------------------------------ PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9) 11 0.4% ------------------------------------------------------------------------------ TYPE OF REPORTING PERSON (SEE INSTRUCTIONS)* 12 PN ------------------------------------------------------------------------------ *SEE INSTRUCTION BEFORE FILLING OUT! Page 5 of 11 pages ------------------ --------------------- CUSIP No. 82617012 13G Page 6 of 11 Pages ------------------ --------------------- ------------------------------------------------------------------------------ NAMES OF REPORTING PERSONS 1 I.R.S. IDENTIFICATION NO(S) OF ABOVE PERSON(S) (ENTITIES ONLY) Siebel Asset Management III, L.P. ------------------------------------------------------------------------------ CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (SEE INSTRUCTIONS)* 2 (a) [_] (b) [_] ------------------------------------------------------------------------------ SEC USE ONLY 3 ------------------------------------------------------------------------------ CITIZENSHIP OR PLACE OF ORGANIZATION 4 California ------------------------------------------------------------------------------ NUMBER OF SOLE VOTING POWER 5 SHARES 1,600,000 ----------------------------------------------------------- BENEFICIALLY SHARED VOTING POWER 6 OWNED BY -0- ----------------------------------------------------------- EACH SOLE DISPOSITIVE POWER 7 REPORTING 1,600,000 ----------------------------------------------------------- PERSON SHARED DISPOSITIVE POWER 8 WITH -0- ------------------------------------------------------------------------------ AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 9 1,600,000 ------------------------------------------------------------------------------ CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES 10 (SEE INSTRUCTIONS)* [_] ------------------------------------------------------------------------------ PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9) 11 0.3% ------------------------------------------------------------------------------ TYPE OF REPORTING PERSON (SEE INSTRUCTIONS)* 12 PN ------------------------------------------------------------------------------ *SEE INSTRUCTION BEFORE FILLING OUT! Page 6 of 11 pages ------------------ --------------------- CUSIP No. 82617012 13G Page 7 of 11 Pages ------------------ --------------------- ------------------------------------------------------------------------------ NAMES OF REPORTING PERSONS 1 I.R.S. IDENTIFICATION NO(S) OF ABOVE PERSON(S) (ENTITIES ONLY) Siebel Asset Management IV, L.P. ------------------------------------------------------------------------------ CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (SEE INSTRUCTIONS)* 2 (a) [_] (b) [_] ------------------------------------------------------------------------------ SEC USE ONLY 3 ------------------------------------------------------------------------------ CITIZENSHIP OR PLACE OF ORGANIZATION 4 California ------------------------------------------------------------------------------ NUMBER OF SOLE VOTING POWER 5 SHARES 1,600,000 ----------------------------------------------------------- BENEFICIALLY SHARED VOTING POWER 6 OWNED BY -0- ----------------------------------------------------------- EACH SOLE DISPOSITIVE POWER 7 REPORTING 1,600,000 ----------------------------------------------------------- PERSON SHARED DISPOSITIVE POWER 8 WITH -0- ------------------------------------------------------------------------------ AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 9 1,600,000 ------------------------------------------------------------------------------ CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES 10 (SEE INSTRUCTIONS)* [_] ------------------------------------------------------------------------------ PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9) 11 0.3% ------------------------------------------------------------------------------ TYPE OF REPORTING PERSON (SEE INSTRUCTIONS)* 12 PN ------------------------------------------------------------------------------ *SEE INSTRUCTION BEFORE FILLING OUT! Page 7 of 11 pages Item 1. (a) Name of Issuer Siebel Systems, Inc. (b) Address of Issuer's Principal Executive Offices 2207 Bridgepointe Parkway San Mateo, CA 94404 Item 2. (a) Name of Person Filing Thomas M. Siebel Thomas M. Siebel, Trustee or Successor Trustee of the Siebel Living Trust u/a/d 7/27/93 ("Trust") Siebel Asset Management, L.P. ("SAM") Siebel Asset Management II, L.P. ("SAM II") Siebel Asset Management III, L.P. ("SAM III") Siebel Asset Management IV, L.P. ("SAM IV") (b) Address of Principal Business Office or, if none, Residence 2207 Bridgepointe Parkway San Mateo, CA 94404 (c) Citizenship Thomas M. Siebel USA Trust California SAM California SAM II California SAM III California SAM IV California (d) Title of Class of Securities Common Stock (e) CUSIP Number 826170102 Item 3. If this statement is filed pursuant to ss.ss.240.13d-1(b), or 240.13d-2(b) or (c), check whether the person filing is a: Not Applicable Page 8 of 11 pages Item 4. Ownership Provide the following information regarding the aggregate number and percentage of the class of securities of the issuer identified in Item 1. (a) Amount Beneficially Owned: Thomas M. Siebel 61,559,200* Trust 29,035,662 SAM 2,349,904 SAM II 1,650,000 SAM III 1,600,000 SAM IV 1,600,000 (b) Percent of Class: Thomas M. Siebel 12.6% Trust 6.3% SAM 0.5% SAM II 0.4% SAM III 0.3% SAM IV 0.3% (c) Number of shares as to which such person has: (i) Sole power to vote or to direct the vote: Thomas M. Siebel 61,559,200* Trust 29,035,662 SAM 2,349,904 SAM II 1,650,000 SAM III 1,600,000 SAM IV 1,600,000 (ii) Shared power to vote or to direct the vote: Thomas M. Siebel 0 Trust 0 SAM 0 SAM II 0 SAM III 0 SAM IV 0 --------------------- * Includes 29,035,662 shares held by Thomas M. Siebel, Trustee or Successor Trustee of the Siebel Living Trust u/a/d 7/27/93, 2,349,904 shares held by Siebel Asset Management L.P., 1,650,000 shares held by Siebel Asset Management II L.P., 1,600,000 shares held by Siebel Asset Management III L.P. and 1,600,000 shares held by Siebel Asset Management IV LP. Also includes 25,323,624 shares issuable pursuant to options exercisable within 60 days of December 31, 2001. Page 9 of 11 pages (iii) Sole power to dispose or to direct the disposition of: Thomas M. Siebel 61,559,200* Trust 29,035,662 SAM 2,349,904 SAM II 1,650,000 SAM III 1,600,000 SAM IV 1,600,000 (iv) Shared power to dispose or to direct the disposition of: Thomas M. Siebel 0 Trust 0 SAM 0 SAM II 0 SAM III 0 SAM IV 0 Item 5. Ownership of Five Percent or Less of a Class If this statement is being filed to report the fact that as of the date hereof the reporting person has ceased to be the beneficial owner of more than five percent of the class of securities, check the following |_|. Item 6. Ownership of More than Five Percent on Behalf of Another Person Under certain circumstances set forth in the partnership agreements of SAM, SAM II, SAM III and SAM IV (the "SAM Entities"), the general and/or limited partners of the SAM Entities have the right to receive dividends from, or proceeds from the sale of, the Common Stock of the Issuer beneficially owned by the SAM Entities. Item 7. Identification and Classification of the Subsidiary Which Acquired the Security Being Reported on By the Parent Holding Company Not applicable Item 8. Identification and Classification of Members of the Group Not applicable Item 9. Notice of Dissolution of a Group Not applicable Item 10. Certification Not applicable Page 10 of 11 pages -------- * Includes 29,035,662 shares held by Thomas M. Siebel, Trustee or Successor Trustee of the Siebel Living Trust u/a/d 7/27/93, 2,349,904 shares held by Siebel Asset Management L.P., 1,650,000 shares held by Siebel Asset Management II L.P., 1,600,000 shares held by Siebel Asset Management III L.P., and 1,600,000 shares held by Siebel Asset Management IV L.P. Also includes 25,323,634 shares issuable pursuant to options exercisable within 60 days of December 31, 2001. SIGNATURE After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct. February 11, 2002 ---------------------------------------------------------------------- Date /s/ Thomas M. Siebel ---------------------------------------------------------------------- Signature Thomas M. Siebel ---------------------------------------------------------------------- THOMAS M. SIEBEL, TRUSTEE OR SUCCESSOR TRUSTEE OF THE SIEBEL LIVING TRUST U/A/D 7/27/93 /s/ Thomas M. Siebel ---------------------------------------------------------------------- Thomas M. Siebel, Trustee SIEBEL ASSET MANAGEMENT, L.P. /s/ Thomas M. Siebel ---------------------------------------------------------------------- Thomas M. Siebel, General Partner SIEBEL ASSET MANAGEMENT II, L.P. /s/ Thomas M. Siebel ---------------------------------------------------------------------- Thomas M. Siebel, General Partner SIEBEL ASSET MANAGEMENT III, L.P. /s/ Thomas M. Siebel ---------------------------------------------------------------------- Thomas M. Siebel, General Partner SIEBEL ASSET MANAGEMENT IV, L.P. /s/ Thomas M. Siebel ---------------------------------------------------------------------- Thomas M. Siebel, General Partner Page 11 of 11 pages