4 1 b313896_form4.txt FORM 4 -------------------------- OMB APPROVAL -------------------------- OMB Number: 3235-0287 Expires: December 31, 2001 Estimated average burden hours per response ....0.5 -------------------------- U.S. SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 4 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(f) of the Investment Company Act of 1940 /X/ Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b). 1. Name and Address of Reporting Person* Insight Capital Partners III, L.P. (Last) (First) (Middle) 680 Fifth Avenue, 8th Floor (Street) New York, NY 10019 (City) (State) (Zip) 2. Issuer Name and Ticker or Trading Symbol C-Bridge Internet Solutions, Inc. (CBIS) 3. I.R.S. Identification Number of Reporting Person, if an entity (voluntary) 4. Statement for Month/Year September 1, 2001 5. If Amendment, Date of Original (Month/Year) 6. Relationship of Reporting Person(s) to Issuer (Check all applicable) / / Director /X/ 10% Owner / / Officer (give title below) / / Other (specify below) Chief Executive Officer and President 7. Individual or Joint/Group Reporting (Check Applicable Line) / / Form filed by One Reporting Person /X/ Form filed by More than One Reporting Person Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly. * If the form is filed by more than one reporting person, see Instruction 4(b)(v).

-------------------- 1 The amounts set forth above give effect to the Agreement and Plan of Reorganization (hereinafter referred to as the "Agreement") entered into as of May 22, 2001 among eXcelon Corporation, a Delaware corporation ("Parent"), Comet Acquisition Corp., a Delaware corporation and a wholly owned subsidiary of Parent ("Merger Sub"), and the Issuer whereby on September 19, 2001, the Merger Sub was merged with and into the Issuer, the separate corporate existence of the Merger Sub ceased and the Issuer continued as the surviving corporation. Pursuant to the Agreement, each share of common stock, par value $.01, of the Issuer issued and outstanding immediately prior to September 19, 2001, subject to certain limitations contained within the Agreement, was canceled and extinguished and automatically converted into the right to receive (the "Right") 1.2517 shares of Common Stock, par value of $.001 per share of Parent, and said Right was exercised immediately on September 19, 2001. 2 The amount listed in Table I reflects the beneficial ownership of the Issuer's Securities by Insight Capital Partners III, L.P., all of which may be deemed attributable to Insight Venture Associates III, LLC because Insight Venture Associates III, LLC is the sole general partner of Insight Capital Partners III, L.P. 3 The amount listed in Table I reflects the beneficial ownership of the Issuer's Securities by Insight Capital Partners III (Co-Investors), L.P., all of which may be deemed attributable to Insight Venture Associates III, LLC because Insight Venture Associates III, LLC is the sole general partner of Insight Capital Partners III (Co-Investors), L.P. 4 The amount listed in Table I reflects the beneficial ownership of the Issuer's Securities by Insight Capital Partners (Cayman) III, L.P., all of which may be deemed attributable to Insight Venture Associates III, LLC because Insight Venture Associates III, LLC is the sole general partner of Insight Capital Partners (Cayman) III, L.P. 5 The amount listed in Table I reflects the beneficial ownership of the Issuer's Securities by Insight Venture Management, Inc. The officers and directors of Insight Venture Management, Inc. are Jeffrey Horing, President and Director, and Jerry Murdock, Vice President and Director, each of whom are also the sole stockholders of Insight Venture Management, Inc., and as such, may be deemed to be the beneficial owners of all the shares held by Insight Venture Management, Inc. Each of Jeffrey Horing and Jerry Murdock disclaim beneficial ownership of all shares held by Insight Venture Management, Inc. except for 12,500 shares, respectively, in which each of Jeffrey Horing and Jerry Murdock has a pecuniary interest. 6 The amount listed in Table I reflects the beneficial ownership of the Issuer's Securities by Insight Capital Partners III, L.P., Insight Capital Partners (Cayman) III, L.P. and Insight Capital Partners III (Co-Investors), L.P., all of which may be deemed attributable to Insight Venture Associates III, LLC because Insight Venture Associates III, LLC is the sole general partner of each of Insight Capital Partners III, L.P., Insight Capital Partners (Cayman) III, L.P. and Insight Capital Partners III (Co-Investors), L.P. 7 The amount listed in Table I reflects the beneficial ownership of the Issuer's Securities by Insight Capital Partners III, L.P., Insight Capital Partners (Cayman) III, L.P. and Insight Capital Partners III (Co-Investors), L.P. William Doyle is a managing member of Insight Venture Associates III, LLC, the sole general partner of Insight Capital Partners III, L.P., Insight Capital Partners (Cayman) III, L.P. and Insight Capital Partners III (Co-Investors), L.P. William Doyle disclaims beneficial ownership of such securities, except to the extent of his pecuniary interest therein, if any. 8 The amount listed in Table I reflects the beneficial ownership of the Issuer's Securities by Insight Capital Partners III, L.P., Insight Capital Partners (Cayman) III, L.P. and Insight Capital Partners III (Co-Investors), L.P. Deven Parekh is a managing member of Insight Venture Associates III, LLC, the sole general partner of Insight Capital Partners III, L.P., Insight Capital Partners (Cayman) III, L.P. and Insight Capital Partners III (Co-Investors), L.P. Deven Parekh disclaims beneficial ownership of such securities, except to the extent of his pecuniary interest therein, if any. 9 The amount listed in Table I reflects the beneficial ownership of the Issuer's Securities by Insight Capital Partners III, L.P., Insight Capital Partners (Cayman) III, L.P. and Insight Capital Partners III (Co-Investors), L.P. Peter Sobiloff is a managing member of Insight Venture Associates III, LLC, the sole general partner of Insight Capital Partners III, L.P., Insight Capital Partners (Cayman) III, L.P. and Insight Capital Partners III (Co-Investors), L.P. Peter Sobiloff disclaims beneficial ownership of such securities, except to the extent of his pecuniary interest therein, if any. 10 The amount listed in Table I reflects the beneficial ownership of the Issuer's Securities by Insight Capital Partners III, L.P., Insight Capital Partners (Cayman) III, L.P. and Insight Capital Partners III (Co-Investors), L.P. Jerry Murdock is a managing member of Insight Venture Associates III, LLC, the sole general partner of Insight Capital Partners III, L.P., Insight Capital Partners (Cayman) III, L.P. and Insight Capital Partners III (Co-Investors), L.P. Jerry Murdock disclaims beneficial ownership of such securities, except to the extent of his pecuniary interest therein, if any. Additionally, the amount listed in Table I reflects the beneficial ownership of the Issuer's Securities by Insight Venture Management, Inc. Jerry Murdock, as Vice President and Director of Insight Venture Management, Inc., and as one of two stockholders of Insight Venture Management, Inc., may be deemed to be the beneficial owner of all shares held by Insight Venture Management, Inc. Jerry Murdock disclaims beneficial ownership of such securities, except to the extent of his pecuniary interest therein, which consists of 12,500 shares. 11 The amount listed in Table I reflects the beneficial ownership of the Issuer's Securities by Insight Capital Partners III, L.P., Insight Capital Partners (Cayman) III, L.P. and Insight Capital Partners III (Co-Investors), L.P. Jeffrey Horing is a managing member of Insight Venture Associates III, LLC, the sole general partner of Insight Capital Partners III, L.P., Insight Capital Partners (Cayman) III, L.P. and Insight Capital Partners III (Co-Investors), L.P. and a director of the Issuer. Jeffrey Horing disclaims beneficial ownership of such securities, except to the extent of his pecuniary interest therein, if any. Additionally, the amount listed in Table I reflects the beneficial ownership of the Issuer's Securities by Insight Venture Management, Inc. Jeffrey Horing, as President and Director of Insight Venture Management, Inc., and as one of two stockholders of Insight Venture Management, Inc., may be deemed to be the beneficial owner of all shares held by Insight Venture Management, Inc. Jeffrey Horing disclaims beneficial ownership of such securities, except to the extent of his pecuniary interest therein, which consists of 12,500 shares. 12 As a result of the consummation of the transactions contemplated by the Agreement, the Reporting Person no longer beneficially owns any shares of the Issuer's Securities. As a result of the foregoing, as of the date hereof, the Reporting Person ceased to be a Reporting Person subject to Section 16 of the Securities Exchange Act of 1934, as amended, in respect of the Issuer's Securities. Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly. * If the form is filed by more than one reporting person, see Instruction 4(b)(v). (Over) SEC 1474 (7/96)

Explanation of Responses: Insight Capital Partners III, L.P. By: Insight Venture Associates III, LLC, its General Partner By: /s/ JEFFREY HORING ---------------------- Name: Jeffrey Horing Title: Managing Member September 28, 2001 --------------------------------------- -------------------------- **Signature of Reporting Person Date ** Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a). Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure. 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 Number Page 2 SEC 1474 (7/97) Joint Filer Information Name: Insight Capital Partners III, L.P. Address: 680 Fifth Avenue, 8th Floor New York, NY 10019 Designated Filer: Insight Capital Partners III, L.P. Issuer & Ticker Symbol: C-Bridge Internet Solutions, Inc. (CBIS) Date of Event: September 19, 2001 Signature: Insight Capital Partners III, L.P. By: Insight Venture Associates III, LLC, its General Partner By: /s/ JEFFREY HORING ------------------------------------ Name: Jeffrey Horing Title: Managing Member Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly. * If the form is filed by more than one reporting person, see Instruction 4(b)(v). Page 3 SEC 1474 (7/97) Joint Filer Information Name: Insight Capital Partners III (Co-Investors), L.P. Address: 680 Fifth Avenue, 8th Floor New York, NY 10019 Designated Filer: Insight Capital Partners III, L.P. Issuer & Ticker Symbol: C-Bridge Internet Solutions, Inc. (CBIS) Date of Event: September 19, 2001 Signature: Insight Capital Partners III (Co-Investors), L.P. By: Insight Venture Associates III, LLC, its General Partner By: /s/ JEFFREY HORING ------------------------------------ Name: Jeffrey Horing Title: Managing Member Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly. * If the form is filed by more than one reporting person, see Instruction 4(b)(v). Page 4 SEC 1474 (7/97) Joint Filer Information Name: Insight Capital Partners (Cayman) III, L.P. Address: 680 Fifth Avenue, 8th Floor New York, NY 10019 Designated Filer: Insight Capital Partners III, L.P. Issuer & Ticker Symbol: C-Bridge Internet Solutions, Inc. (CBIS) Date of Event: September 19, 2001 Signature: Insight Capital Partners (Cayman) III, L.P. By: Insight Venture Associates III, LLC, its General Partner By: /s/ JEFFREY HORING ------------------------------------ Name: Jeffrey Horing Title: Managing Member Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly. * If the form is filed by more than one reporting person, see Instruction 4(b)(v). Page 5 SEC 1474 (7/97) Joint Filer Information Name: Insight Venture Management, Inc. Address: 680 Fifth Avenue, 8th Floor New York, NY 10019 Designated Filer: Insight Capital Partners III, L.P. Issuer & Ticker Symbol: C-Bridge Internet Solutions, Inc. (CBIS) Date of Event: September 19, 2001 Signature: Insight Venture Management, Inc. By: /s/ JEFFREY HORING ------------------------------------ Name: Jeffrey Horing Title: President 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 Number Page 6 SEC 1474 (7/97) Joint Filer Information Name: Insight Venture Associates III, LLC Address: 680 Fifth Avenue, 8th Floor New York, NY 10019 Designated Filer: Insight Capital Partners III, L.P. Issuer & Ticker Symbol: C-Bridge Internet Solutions, Inc. (CBIS) Date of Event: September 19, 2001 Signature: Insight Venture Associates III, LLC By: /s/ JEFFREY HORING ------------------------------------ Name: Jeffrey Horing Title: Managing Member 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 Number Page 7 SEC 1474 (7/97) Joint Filer Information Name: William Doyle Address: c/o 680 Fifth Avenue, 8th Floor New York, NY 10019 Designated Filer: Insight Capital Partners III, L.P. Issuer & Ticker Symbol: C-Bridge Internet Solutions, Inc. (CBIS) Date of Event: September 19, 2001 Signature: By: /s/ WILLIAM DOYLE ------------------------------- Name: William Doyle 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 Number Page 8 SEC 1474 (7/97) Joint Filer Information Name: Deven Parekh Address: c/o 680 Fifth Avenue, 8th Floor New York, NY 10019 Designated Filer: Insight Capital Partners III, L.P. Issuer & Ticker Symbol: C-Bridge Internet Solutions, Inc. (CBIS) Date of Event: September 19, 2001 Signature: By: /s/ DEVEN PAREKH ----------------------------------- Name: Deven Parekh 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 Number Page 9 SEC 1474 (7/97) Joint Filer Information Name: Jeffrey Horing Address: c/o 680 Fifth Avenue, 8th Floor New York, NY 10019 Designated Filer: Insight Capital Partners III, L.P. Issuer & Ticker Symbol: C-Bridge Internet Solutions, Inc. (CBIS) Date of Event: September 19, 2001 By: /s/ JEFFREY HORING ------------------------------------ Name: Jeffrey Horing 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 Number Page 10 SEC 1474 (7/97) Joint Filer Information Name: Peter Sobiloff Address: c/o 680 Fifth Avenue, 8th Floor New York, NY 10019 Designated Filer: Insight Capital Partners III, L.P. Issuer & Ticker Symbol: C-Bridge Internet Solutions, Inc. (CBIS) Date of Event: September 19, 2001 Signature: By: /s/ PETER SOBILOFF --------------------------------- Name: Peter Sobiloff 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 Number Page 11 SEC 1474 (7/97) Joint Filer Information Name: Jerry Murdock Address: c/o 680 Fifth Avenue, 8th Floor New York, NY 10019 Designated Filer: Insight Capital Partners III, L.P. Issuer & Ticker Symbol: C-Bridge Internet Solutions, Inc. (CBIS) Date of Event: September 19, 2001 Signature: By: /s/ JERRY MURDOCK --------------------------------- Name: Jerry Murdock 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 Number Page 12 SEC 1474 (7/97)

C BRIDGE INTERNET SOLUTIONS INC 4