SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G (Rule 13d-102) INFORMATION TO BE INCLUDED IN STATEMENTS FILED PURSUANT TO RULES 13d-1(b), (c), AND (d) AND AMENDMENTS THERETO FILED PURSUANT TO RULE 13d-2(b) (Amendment No. )* Courtside Acquisition Corp. -------------------------------------------------------------------------------- (Name of Issuer) Common Stock, par value $0.0001 per share -------------------------------------------------------------------------------- (Title of Class of Securities) 22274N102 -------------------------------------------------------------------------------- (CUSIP Number) April 20, 2007 -------------------------------------------------------------------------------- (Date of Event which Requires Filing of this Statement) Check the appropriate box to designate the rule pursuant to which this Schedule is filed: |X| Rule 13d-1(b) |X| Rule 13d-1(c) |_| 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 disclosures provided in a prior cover page. The information required on 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). CUSIP No. 22274N102 13G Page 2 of 12 -------------------------------------------------------------------------------- 1. NAME OF REPORTING PERSONS I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS (ENTITIES ONLY) Clinton Group, Inc. -------------------------------------------------------------------------------- 2. CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP* (a) [_] (b) [_] -------------------------------------------------------------------------------- 3. SEC USE ONLY -------------------------------------------------------------------------------- 4. CITIZENSHIP OR PLACE OF ORGANIZATION Delaware -------------------------------------------------------------------------------- 5. SOLE VOTING POWER -0- ---------------------------------------------------------------- NUMBER OF 6. SHARED VOTING POWER SHARES BENEFICIALLY 1,000,000 OWNED BY ----------------------------------------------------------------- EACH 7. SOLE DISPOSITIVE POWER REPORTING PERSON -0- WITH ----------------------------------------------------------------- 8. SHARED DISPOSITIVE POWER 1,000,000 -------------------------------------------------------------------------------- 9. AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 1,000,000 -------------------------------------------------------------------------------- 10. CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES* [_] -------------------------------------------------------------------------------- 11. PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9) 6.0% -------------------------------------------------------------------------------- 12. TYPE OF REPORTING PERSON* CO -------------------------------------------------------------------------------- *SEE INSTRUCTIONS BEFORE FILLING OUT! CUSIP No. 22274N102 13G Page 3 of 12 -------------------------------------------------------------------------------- 1. NAME OF REPORTING PERSONS I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS (ENTITIES ONLY) Clinton Multistrategy Master Fund Ltd. -------------------------------------------------------------------------------- 2. CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP* (a) [_] (b) [_] -------------------------------------------------------------------------------- 3. SEC USE ONLY -------------------------------------------------------------------------------- 4. CITIZENSHIP OR PLACE OF ORGANIZATION Cayman Islands -------------------------------------------------------------------------------- 5. SOLE VOTING POWER -0- ----------------------------------------------------------------- NUMBER OF 6. SHARED VOTING POWER SHARES BENEFICIALLY 600,000 OWNED BY ----------------------------------------------------------------- EACH 7. SOLE DISPOSITIVE POWER REPORTING PERSON -0- WITH ----------------------------------------------------------------- 8. SHARED DISPOSITIVE POWER 600,000 -------------------------------------------------------------------------------- 9. AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 600,000 -------------------------------------------------------------------------------- 10. CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES* [_] -------------------------------------------------------------------------------- 11. PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9) 3.6% -------------------------------------------------------------------------------- 12. TYPE OF REPORTING PERSON* CO -------------------------------------------------------------------------------- *SEE INSTRUCTIONS BEFORE FILLING OUT! CUSIP No. 22274N102 13G Page 4 of 12 -------------------------------------------------------------------------------- 1. NAME OF REPORTING PERSON I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY) CGI Whitehall Universal Portfolio Fund Limited -------------------------------------------------------------------------------- 2. CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP* (a) [_] (b) [_] -------------------------------------------------------------------------------- 3. SEC USE ONLY -------------------------------------------------------------------------------- 4. CITIZENSHIP OR PLACE OF ORGANIZATION Cayman Islands -------------------------------------------------------------------------------- 5. SOLE VOTING POWER -0- ----------------------------------------------------------------- NUMBER OF 6. SHARED VOTING POWER SHARES BENEFICIALLY 200,000 OWNED BY ----------------------------------------------------------------- EACH 7. SOLE DISPOSITIVE POWER REPORTING PERSON -0- WITH ----------------------------------------------------------------- 8. SHARED DISPOSITIVE POWER 200,000 -------------------------------------------------------------------------------- 9. AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH PERSON 200,000 -------------------------------------------------------------------------------- 10. CHECK IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES* [_] -------------------------------------------------------------------------------- 11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9) 1.2% -------------------------------------------------------------------------------- 12. TYPE OF REPORTING PERSON* CO -------------------------------------------------------------------------------- * SEE INSTRUCTIONS BEFORE FILLING OUT!! CUSIP No. 22274N102 13G Page 5 of 12 -------------------------------------------------------------------------------- 1. NAME OF REPORTING PERSON I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY) Clinton Special Opportunities Master Fund, LTD. -------------------------------------------------------------------------------- 2. CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP* (a) [_] (b) [_] -------------------------------------------------------------------------------- 3. SEC USE ONLY -------------------------------------------------------------------------------- 4. CITIZENSHIP OR PLACE OF ORGANIZATION Cayman Islands -------------------------------------------------------------------------------- 5. SOLE VOTING POWER -0- ----------------------------------------------------------------- NUMBER OF 6. SHARED VOTING POWER SHARES BENEFICIALLY 200,000 OWNED BY ----------------------------------------------------------------- EACH 7. SOLE DISPOSITIVE POWER REPORTING PERSON -0- WITH ----------------------------------------------------------------- 8. SHARED DISPOSITIVE POWER 200,000 -------------------------------------------------------------------------------- 9. AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH PERSON 200,000 -------------------------------------------------------------------------------- 10. CHECK IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES* [_] -------------------------------------------------------------------------------- 11. PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9) 1.2% -------------------------------------------------------------------------------- 12. TYPE OF REPORTING PERSON* CO -------------------------------------------------------------------------------- * SEE INSTRUCTIONS BEFORE FILLING OUT! CUSIP No. 22274N102 13G Page 6 of 12 -------------------------------------------------------------------------------- 1. NAME OF REPORTING PERSONS I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS (ENTITIES ONLY) George Hall -------------------------------------------------------------------------------- 2. CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP* (a) [_] (b) [_] -------------------------------------------------------------------------------- 3. SEC USE ONLY -------------------------------------------------------------------------------- 4. CITIZENSHIP OR PLACE OF ORGANIZATION United States -------------------------------------------------------------------------------- 5. SOLE VOTING POWER -0- ----------------------------------------------------------------- NUMBER OF 6. SHARED VOTING POWER SHARES BENEFICIALLY 1,000,000 OWNED BY ----------------------------------------------------------------- EACH 7. SOLE DISPOSITIVE POWER REPORTING PERSON -0- WITH ----------------------------------------------------------------- 8. SHARED DISPOSITIVE POWER 1,000,000 -------------------------------------------------------------------------------- 9. AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 1,000,000 -------------------------------------------------------------------------------- 10. CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES* [_] -------------------------------------------------------------------------------- 11. PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9) 6.0% -------------------------------------------------------------------------------- 12. TYPE OF REPORTING PERSON* HC; IN -------------------------------------------------------------------------------- *SEE INSTRUCTIONS BEFORE FILLING OUT! CUSIP No. 22274N102 13G Page 7 of 12 -------------------------------------------------------------------------------- ITEM 1. (a) NAME OF ISSUER. Courtside Acquisition Corp. (b) ADDRESS OF ISSUER'S PRINCIPAL EXECUTIVE OFFICES. 1700 Broadway 17th Floor New York, New York 10019 Item 2. (a) NAME OF PERSON FILING. This Schedule 13G is being filed by each of Clinton Group, Inc. ("CGI"), Clinton Multistrategy Master Fund, Ltd. ("CMSF"), CGI Whitehall Universal Portfolio Fund Limited ("Whitehall"), Clinton Special Opportunities Master Fund, LTD ("CSO") and George Hall (collectively, the "Reporting Persons"). (b) ADDRESS OF PRINCIPAL BUSINESS OFFICE OR, IF NONE, RESIDENCE. The principal business address of each of CGI and George Hall is: 9 West 57th Street 26th Floor New York, New York 10019 The principal business address of each of CMSF, Whitehall and CSO is: c/o Fortis Fund Services (Cayman) Limited P.O. Box 2003 GT Grand Pavilion Commercial Centre 802 West Bay Road Grand Cayman, Cayman Islands (c) CITIZENSHIP. CGI is a Delaware corporation George Hall is a United States citizen Each of CMSF, Whitehall and CSO is a Cayman Islands company (d) TITLE OF CLASS OF SECURITIES. Common Stock, par value $0.0001 per share (e) CUSIP NUMBER. 22274N102 CUSIP No. 22274N102 13G Page 8 of 12 -------------------------------------------------------------------------------- ITEM 3. IF THIS STATEMENT IS FILED PURSUANT TO RULE 13D-1(B) OR 13D-2(B) OR (C), CHECK WHETHER THE PERSON FILING IS A: (a) |_| Broker or dealer registered under Section 15 of the Act. (b) |_| Bank as defined in Section 3(a)(6) of the Act. (c) |_| Insurance Company as defined in Section 3(a)(19) of the Act. (d) |_| Investment Company registered under Section 8 of the Investment Company Act. (e) |X| Investment Adviser in accordance with Sec. 240.13d-1(b)(1)(ii)(E). (f) |_| Employee Benefit Plan or Endowment Fund in accordance with Sec. 240.13d-1(b)(1)(ii)(F). (g) |X| Parent holding company or control person, in accordance with Sec. 240.13d-1(b)(ii)(G). (h) |_| A savings association as defined in Section 3(b) of the Federal Deposit Insurance Act. (i) |_| A church plan that is excluded from the definition of an investment company under Section 3(c)(14) of the Investment Company Act of 1940. (j) |_| Group, in accordance with Sec. 240.13d-1(b)(1)(ii)(J). ITEM 4. OWNERSHIP (a) AMOUNT BENEFICIALLY OWNED. CGI: 1,000,000 (comprised of shares held in client accounts over which CGI, as investment advisor, exercises voting and dispositive discretion) CMSF: 600,000 Whitehall: 200,000 CSO: 200,000 George Hall: 1,000,000 (comprised of 1,000,000 shares beneficially owned by CGI, which is ultimately owned and controlled by Mr. Hall) (b) PERCENT OF CLASS. CGI: 6.0% CMSF: 3.6% Whitehall: 1.2% CSO: 1.2% George Hall: 6.0% (c) NUMBER OF SHARES AS TO WHICH EACH SUCH PERSON HAS (i) sole power to vote or to direct the vote: CGI: -0- CMSF: -0- Whitehall: -0- CSO: -0- George Hall: -0- (ii) shared power to vote or to direct the vote: CGI: 1,000,000 CMSF: 600,000 Whitehall: 200,000 CSO: 200,000 George Hall: 1,000,000 (iii) sole power to dispose or to direct the disposition of: CGI: -0- CMSF: -0- Whitehall: -0- CSO: -0- George Hall: -0- (iv) shared power to dispose or to direct the disposition of: CGI: 1,000,000 CMSF: 600,000 Whitehall: 200,000 CSO: 200,000 George Hall: 1,000,000 CUSIP No. 22274N102 13G Page 9 of 12 -------------------------------------------------------------------------------- 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. As referred to above, CGI is an investment advisor registered under Section 203 of the Investment Advisers Act of 1940 and, as such, has beneficial ownership of shares through the investment discretion it exercises over its clients' accounts, including without limitation, CMSF, Whitehall and CSO. Accordingly, other persons have the right to receive and the power to direct the receipt of dividends from, and the proceeds from the sale of, certain of the shares reported herein. No such person other than CMSF, Whitehall and CSO has such powers with respect to greater than 5% of the outstanding Common Shares of the Issuer. ITEM 7. IDENTIFICATION AND CLASSIFICATION OF THE SUBSIDIARY WHICH ACQUIRED THE SECURITY BEING REPORTED ON BY THE PARENT HOLDING COMPANY OR CONTROL PERSON. See Exhibit B. ITEM 8. IDENTIFICATION AND CLASSIFICATION OF MEMBERS OF THE GROUP. Not applicable. ITEM 9. NOTICE OF DISSOLUTION OF GROUP. Not applicable. CUSIP No. 22274N102 13G Page 10 of 12 -------------------------------------------------------------------------------- ITEM 10. CERTIFICATION. By signing below I certify that, to the best of my knowledge and belief, the securities referred to above were not acquired and are not held for the purpose of or with the effect of changing or influencing the control of the issuer of the securities and were not acquired and are not held in connection with or as a participant in any transaction having that purpose or effect. 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. Date: April 30, 2007 CLINTON GROUP, INC. By: /s/ Francis Ruchalski --------------------------- Name: Francis Ruchalski Title: Comptroller CLINTON MULTISTRATEGY MASTER FUND, LTD. By: Clinton Group, Inc. its investment manager By: /s/ Francis Ruchalski --------------------------- Name: Francis Ruchalski Title: Comptroller CGI WHITEHALL UNIVERSAL PORTFOLIO FUND LIMITED By: Clinton Group, Inc. its investment manager By: /s/ Francis Ruchalski --------------------------- Name: Francis Ruchalski Title: Comptroller CLINTON SPECIAL OPPORTUNITIES MASTER FUND, LTD. By: Clinton Group, Inc. its investment manager By: /s/ Francis Ruchalski --------------------------- Name: Francis Ruchalski Title: Comptroller /s/ George E. Hall ------------------------------ George E. Hall Attention: Intentional misstatements or omissions of fact constitute Federal criminal violations (see 18 U.S.C. 1001). CUSIP No. 22274N102 13G Page 11 of 12 -------------------------------------------------------------------------------- EXHIBIT A The undersigned hereby agree jointly to prepare and file with regulatory authorities a Schedule 13G and any amendments thereto reporting each of the undersigned's ownership of securities of Courtside Acquisition Corp. and hereby affirm that such Schedule 13G is being filed on behalf of each of the undersigned. April 30, 2007 CLINTON GROUP, INC. By: /s/ Francis Ruchalski --------------------------- Name: Francis Ruchalski Title: Comptroller CLINTON MULTISTRATEGY MASTER FUND, LTD. By: Clinton Group, Inc. its investment manager By: /s/ Francis Ruchalski --------------------------- Name: Francis Ruchalski Title: Comptroller CGI WHITEHALL UNIVERSAL PORTFOLIO FUND LIMITED By: Clinton Group, Inc. its investment manager By: /s/ Francis Ruchalski --------------------------- Name: Francis Ruchalski Title: Comptroller CLINTON SPECIAL OPPORTUNITIES MASTER FUND, LTD. By: Clinton Group, Inc. its investment manager By: /s/ Francis Ruchalski --------------------------- Name: Francis Ruchalski Title: Comptroller /s/ George E. Hall ------------------------------ George E. Hall CUSIP No. 22274N102 13G Page 12 of 12 -------------------------------------------------------------------------------- EXHIBIT B George Hall may be deemed a control person over the shares beneficially owned by CGI.