UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13D Under the Securities Exchange Act of 1934 (Amendment No. 4) Bitstream, Inc. (Name of Issuer) Class A Common Stock, par value $0.01 per share (Title of Class of Securities) 91736108 (CUSIP Number) Alexander B. Washburn c/o Columbia Pacific Advisors, LLC 1910 Fairview Avenue East, Suite 500 Seattle, Washington 98102 (Name, Address and Telephone Number of Person Authorized to Receive Notices and Communications) October 22, 2010 (Date of Event Which Requires Filing of This Statement) If the filing person has previously filed a statement on Schedule 13G to report the acquisition that is the subject of this Schedule 13D, and is filing this schedule because of Sections 240.13d-1(e), 240.13d-1(f) or 240.13d- 1(g), check the following box. [X] 1. Names of Reporting Persons Columbia Pacific Opportunity Fund, L.P.(1) 2. Check the Appropriate Box if a Member of a Group (a) [ ] (b) [X] 3. SEC Use Only 4. Source of Funds (See Instructions) WC 5. Check if Disclosure of Legal Proceedings Is Required Pursuant to Items 2(d) or 2(e) 6. Citizenship or Place of Organization United States of America NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH 7 Sole Voting Power 1,577,927 shares of Common Stock (2) 8. Shared Voting Power 0 shares of Common Stock 9. Sole Dispositive Power 1,577,927 shares of Common Stock (2) 10. Shared Dispositive Power 0 shares of Common Stock 11. Aggregate Amount Beneficially Owned by Each Reporting Person 1,577,927 shares of Common Stock 12. Check Box if the Aggregate Amount in Row (11) Excludes Certain Shares [ ] 13. Percent of Class Represented by Amount in Row 9 15.7% (3) 14. Type of Reporting Person PN (1) The filing of this joint Schedule 13D shall not be construed as an admission that any of the reporting persons are, for purposes of Section 13(d) or 13(g) of the Act, the beneficial owner of any securities covered by the statement. (2) Columbia Pacific Advisors, LLC has the sole power to vote or direct the vote of, and to dispose or direct the disposition of, the 1,577,927 shares of Common Stock to which this Schedule 13D relates. (3) Based on 10,063,307 shares of common stock outstanding as of August 14, 2010, as reported on the Company's Form 10-Q for the period ended June 30, 2010 filed on August 16, 2010. 1. Names of Reporting Persons Columbia Pacific Advisors, LLC (1) 2. Check the Appropriate Box if a Member of a Group (a) [ ] (b) [X] 3. SEC Use Only 4. Source of Funds (See Instructions) AF 5. Check if Disclosure of Legal Proceedings Is Required Pursuant to Items 2(d) or 2(e) 6. Citizenship or Place of Organization United States of America NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH 7 Sole Voting Power 1,577,927 shares of Common Stock (2) 8. Shared Voting Power 0 shares of Common Stock 9. Sole Dispositive Power 1,577,927 shares of Common Stock (2) 10. Shared Dispositive Power 0 shares of Common Stock 11. Aggregate Amount Beneficially Owned by Each Reporting Person 1,577,927 shares of Common Stock 12. Check Box if the Aggregate Amount in Row (11) Excludes Certain Shares [ ] 13. Percent of Class Represented by Amount in Row 9 15.7% (3) 14. Type of Reporting Person IA (1) The filing of this joint Schedule 13D shall not be construed as an admission that any of the reporting persons are, for purposes of Section 13(d) or 13(g) of the Act, the beneficial owner of any securities covered by the statement. (2) Columbia Pacific Advisors, LLC has the sole power to vote or direct the vote of, and to dispose or direct the disposition of, the 1,577,927 shares of Common Stock to which this Schedule 13D relates. (3) Based on 10,063,307 shares of common stock outstanding as of August 14, 2010, as reported on the Company's Form 10-Q for the period ended June 30, 2010 filed on August 16, 2010. 1. Names of Reporting Persons Alexander B. Washburn (1) 2. Check the Appropriate Box if a Member of a Group (a) [ ] (b) [X] 3. SEC Use Only 4. Source of Funds (See Instructions) AF 5. Check if Disclosure of Legal Proceedings Is Required Pursuant to Items 2(d) or 2(e) 6. Citizenship or Place of Organization United States of America NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH 7 Sole Voting Power 1,577,927 shares of Common Stock (2) 8. Shared Voting Power 0 shares of Common Stock 9. Sole Dispositive Power 1,577,927 shares of Common Stock (2) 10. Shared Dispositive Power 0 shares of Common Stock 11. Aggregate Amount Beneficially Owned by Each Reporting Person 1,577,927 shares of Common Stock 12. Check Box if the Aggregate Amount in Row (11) Excludes Certain Shares [ ] 13. Percent of Class Represented by Amount in Row 9 15.7% (3) 14. Type of Reporting Person IN (1) The filing of this joint Schedule 13D shall not be construed as an admission that any of the reporting persons are, for purposes of Section 13(d) or 13(g) of the Act, the beneficial owner of any securities covered by the statement. (2) Columbia Pacific Advisors, LLC has the sole power to vote or direct the vote of, and to dispose or direct the disposition of, the 1,577,927 shares of Common Stock to which this Schedule 13D relates. (3) Based on 10,063,307 shares of common stock outstanding as of August 14, 2010, as reported on the Company's Form 10-Q for the period ended June 30, 2010 filed on August 16, 2010. 1. Names of Reporting Persons Daniel R. Baty (1) 2. Check the Appropriate Box if a Member of a Group (a) [ ] (b) [X] 3. SEC Use Only 4. Source of Funds (See Instructions) AF 5. Check if Disclosure of Legal Proceedings Is Required Pursuant to Items 2(d) or 2(e) 6. Citizenship or Place of Organization United States of America NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH 7 Sole Voting Power 1,577,927 shares of Common Stock (2) 8. Shared Voting Power 0 shares of Common Stock 9. Sole Dispositive Power 1,577,927 shares of Common Stock (2) 10. Shared Dispositive Power 0 shares of Common Stock 11. Aggregate Amount Beneficially Owned by Each Reporting Person 1,577,927 shares of Common Stock 12. Check Box if the Aggregate Amount in Row (11) Excludes Certain Shares [ ] 13. Percent of Class Represented by Amount in Row 9 15.7% (3) 14. Type of Reporting Person IN (1) The filing of this joint Schedule 13D shall not be construed as an admission that any of the reporting persons are, for purposes of Section 13(d) or 13(g) of the Act, the beneficial owner of any securities covered by the statement. (2) Columbia Pacific Advisors, LLC has the sole power to vote or direct the vote of, and to dispose or direct the disposition of, the 1,577,927 shares of Common Stock to which this Schedule 13D relates. (3) Based on 10,063,307 shares of common stock outstanding as of August 14, 2010, as reported on the Company's Form 10-Q for the period ended June 30, 2010 filed on August 16, 2010. 1. Names of Reporting Persons Stanley L. Baty (1) 2. Check the Appropriate Box if a Member of a Group (a) [ ] (b) [X] 3. SEC Use Only 4. Source of Funds (See Instructions) AF 5. Check if Disclosure of Legal Proceedings Is Required Pursuant to Items 2(d) or 2(e) 6. Citizenship or Place of Organization United States of America NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH 7 Sole Voting Power 1,577,927 shares of Common Stock (2) 8. Shared Voting Power 0 shares of Common Stock 9. Sole Dispositive Power 1,577,927 shares of Common Stock (2) 10. Shared Dispositive Power 0 shares of Common Stock 11. Aggregate Amount Beneficially Owned by Each Reporting Person 1,577,927 shares of Common Stock 12. Check Box if the Aggregate Amount in Row (11) Excludes Certain Shares [ ] 13. Percent of Class Represented by Amount in Row 9 15.7% (3) 14. Type of Reporting Person IN (1) The filing of this joint Schedule 13D shall not be construed as an admission that any of the reporting persons are, for purposes of Section 13(d) or 13(g) of the Act, the beneficial owner of any securities covered by the statement. (2) Columbia Pacific Advisors, LLC has the sole power to vote or direct the vote of, and to dispose or direct the disposition of, the 1,577,927 shares of Common Stock to which this Schedule 13D relates. (3) Based on 10,063,307 shares of common stock outstanding as of August 14, 2010, as reported on the Company's Form 10-Q for the period ended June 30, 2010 filed on August 16, 2010. 1. Names of Reporting Persons Brandon D. Baty (1) 2. Check the Appropriate Box if a Member of a Group (a) [ ] (b) [X] 3. SEC Use Only 4. Source of Funds (See Instructions) AF 5. Check if Disclosure of Legal Proceedings Is Required Pursuant to Items 2(d) or 2(e) 6. Citizenship or Place of Organization United States of America NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH 7 Sole Voting Power 1,577,927 shares of Common Stock (2) 8. Shared Voting Power 0 shares of Common Stock 9. Sole Dispositive Power 1,577,927 shares of Common Stock (2) 10. Shared Dispositive Power 0 shares of Common Stock 11. Aggregate Amount Beneficially Owned by Each Reporting Person 1,577,927 shares of Common Stock 12. Check Box if the Aggregate Amount in Row (11) Excludes Certain Shares [ ] 13. Percent of Class Represented by Amount in Row 9 15.7% (3) 14. Type of Reporting Person IN (1) The filing of this joint Schedule 13D shall not be construed as an admission that any of the reporting persons are, for purposes of Section 13(d) or 13(g) of the Act, the beneficial owner of any securities covered by the statement. (2) Columbia Pacific Advisors, LLC has the sole power to vote or direct the vote of, and to dispose or direct the disposition of, the 1,577,927 shares of Common Stock to which this Schedule 13D relates. (3) Based on 10,063,307 shares of common stock outstanding as of August 14, 2010, as reported on the Company's Form 10-Q for the period ended June 30, 2010 filed on August 16, 2010. EXPLANATORY NOTE This Amendment No. 4 amends the Schedule 13D filed by Columbia Pacific Opportunity Fund, L.P., a Washington limited partnership (the "Fund"), Columbia Pacific Advisors LLC, a Washington limited liability company (the "Adviser"), Alexander B. Washburn, a U.S. citizen, Daniel R. Baty, a U.S. citizen, Stanley L. Baty, a U.S. citizen, and Brandon D. Baty, a U.S. citizen (each a "Reporting Person" and collectively the "Reporting Persons") with the Securities and Exchange Commission on April 20, 2010, as amended on July 15, 2010, August 18, 2010 and September 23, 2010 with respect to the Class A Common Stock, par value $0.01 per share (the "Common Stock") of Bitstream, Inc., a Delaware corporation (the "Company"). Mr. Washburn, Mr. D. Baty, Mr. S. Baty and Mr. B. Baty serve as the managing members of the Adviser, which is primarily responsible for all investment decisions regarding the Fund's investment portfolio. The shares of Class A Common Stock reported herein are held in the portfolio of the Fund. Neither the present filing nor anything contained herein shall be construed as an admission that the Reporting Persons constitute a "group" for any purpose and the Reporting Persons expressly disclaim membership in a group. Except as specifically set forth herein, the Schedule 13D remains unmodified. ITEM 5. Interest in Securities of the Issuer The responses set forth in Items 5(a) and 5(c) of the Schedule 13D are hereby replaced in their entirety by the following: (a) As of the date hereof, the Reporting Persons may be deemed to beneficially own an aggregate of 1,577,927 shares of Common Stock, which constitutes 15.7% of the total number shares of Common Stock outstanding as of August 14, 2010, as reported in the Company's Form 10-Q for the period ended June 30, 2010. (c) During the past 60 days, Columbia Pacific Opportunity Fund, L.P. has engaged in the following open-market transactions in the Common Stock: Date Shares Purchased Price 8/30/2010 5,200 6.0471 8/31/2010 500 6.07 9/01/2010 1,800 6.0916 9/02/2010 3,496 6.0286 9/03/2010 2,000 6.1225 9/07/2010 2,200 6.092 9/09/2010 13,000 6.0911 9/10/2010 31,398 6.2143 9/13/2010 16,264 6.2488 9/14/2010 2,102 6.4321 9/15/2010 4,746 6.4102 9/16/2010 2,001 6.449 9/17/2010 20,743 6.4894 9/20/2010 6,451 6.797 9/21/2010 7,600 6.6761 9/22/2010 15,800 6.6215 9/23/2010 8,400 6.635 9/24/2010 17,100 6.7939 9/27/2010 2,465 6.7234 9/28/2010 2,507 6.7015 9/29/2010 400 6.85 9/30/2010 16,923 6.7865 10/01/2010 1,300 6.8329 10/04/2010 1,800 6.8444 10/05/2010 3,887 6.834 10/06/2010 500 6.904 10/07/2010 2,800 6.882 10/08/2010 400 6.945 10/11/2010 990 6.8642 10/12/2010 3,536 6.769 10/13/2010 6,800 6.80 10/14/2010 6,700 6.7663 10/15/2010 4,000 6.7988 10/18/2010 4,100 6.8099 10/19/2010 1,300 6.77 10/20/2010 1,100 6.7673 10/21/2010 3,500 6.7483 10/22/2010 9,200 6.6881 10/25/2010 10,800 6.7828 10/26/2010 900 6.8866 10/27/2010 1,600 6.89 10/28/2010 300 6.9667 SIGNATURES 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. Dated: October 28, 2010 COLUMBIA PACIFIC OPPORTUNITY FUND, L.P.(1) /s/ Alexander B. Washburn By: Alexander B. Washburn Title: Managing Member of Columbia Pacific Advisors, LLC, its general partner Dated: October 28, 2010 COLUMBIA PACIFIC ADVISORS, LLC(1) /s/ Alexander B. Washburn By: Alexander B. Washburn Title: Managing Member Dated: October 28, 2010 /s/ Alexander B. Washburn Alexander B. Washburn(1) Dated: October 28, 2010 /s/ Daniel R. Baty Daniel R. Baty(1) Dated: October 28, 2010 /s/ Stanley L. Baty Stanley L. Baty(1) Dated: October 28, 2010 /s/ Brandon D. Baty Brandon D. Baty(1) (1) This amendment is being filed jointly by Columbia Pacific Opportunity Fund, L.P., Columbia Pacific Advisors LLC, Alexander B. Washburn, Daniel R. Baty, Stanley L. Baty and Brandon D. Baty pursuant to the Joint Filing Agreement dated April 16, 2010 and included with the initial Schedule 13D filed on April 20, 2010 (the "Joint Filing Agreement"). The Joint Filing Agreement is incorporated herein by reference.