X0303 4 2010-07-02 0 0000821995 COLUMBIA LABORATORIES INC CBRX 0001073308 CAMPBELL ANTHONY R 1 0 0 0 Common Stock 122265 D Common Stock 126574 I By custodian of Individual Retirement Account Common Stock 2010-07-02 4 J 0 25165 A 1488488 I By Knott Partners, L.P. Common Stock 2010-07-02 4 J 0 116203 A 692303 I By Shoshone Partners, L.P. Common Stock 2010-07-02 4 J 0 729047 A 1704642 I By Knott Partners Offshore Master Fund, L.P. Common Stock 2010-07-02 4 J 0 15543 A 15543 I By Mulsanne Partners, L.P. Common Stock 1600 I By Managed Account A Common Stock 2010-07-02 4 J 0 29606 A 95585 I By Managed Account B Common Stock 2010-07-02 4 J 0 10362 A 10362 I By Managed Account C Convertible Subordinated Notes due 2011 5.25 2010-07-02 4 J 0 25905 D 2011-12-31 Common Stock, $.01 par value per share 25905 0 I By Knott Partners, L.P. Convertible Subordinated Notes due 2011 5.25 2010-07-02 4 J 0 119619 D 2011-12-31 Common Stock, $.01 par value per share 119619 0 I By Shoshone Partners, L.P. Convertible Subordinated Notes due 2011 5.25 2010-07-02 4 J 0 750476 D 2011-12-31 Common Stock, $.01 par value per share 750476 0 I By Knott Partners Offshore Master Fund, L.P. Convertible Subordinated Notes due 2011 5.25 2010-07-02 4 J 0 15810 D 2011-12-31 Common Stock, $.01 par value per share 15810 0 I By Mulsanne Partners, L.P. Convertible Subordinated Notes due 2011 5.25 2010-07-02 4 J 0 30095 D 2011-12-31 Common Stock, $.01 par value per share 30095 0 I By Managed Account B Convertible Subordinated Notes due 2011 5.25 2010-07-02 4 J 0 10476 D 2011-12-31 Common Stock, $.01 par value per share 10476 0 I By Managed Account C Warrant to purchase Common Stock, $.01 par value per share 1.35 2010-07-02 4 J 0 26355 A 2010-12-29 2015-07-02 Common Stock, $.01 par value per share 26355 26355 I By Knott Partners, L.P. Warrant to purchase Common Stock, $.01 par value per share 1.35 2010-07-02 4 J 0 121705 A 2010-12-29 2015-07-02 Common Stock, $.01 par value per share 121705 121705 I By Shoshone Partners, L.P. Warrant to purchase Common Stock, $.01 par value per share 1.35 2010-07-02 4 J 0 763566 A 2010-12-29 2015-07-02 Common Stock, $.01 par value per share 763566 763566 I By Knott Partners Offshore Master Fund, L.P. Warrant to purchase Common Stock, $.01 par value per share 1.35 2010-07-02 4 J 0 16086 A 2010-12-29 2015-07-02 Common Stock, $.01 par value per share 16086 16086 I By Mulsanne Partners, L.P. Warrant to purchase Common Stock, $.01 par value per share 1.35 2010-07-02 4 J 0 30619 A 2010-12-29 2015-07-02 Common Stock, $.01 par value per share 30619 30619 I By Managed Account B Warrant to purchase Common Stock, $.01 par value per share 1.35 2010-07-02 4 J 0 10661 A 2010-12-29 2015-07-02 Common Stock, $.01 par value per share 10661 10661 I By Managed Account C Includes award of 19,230 restricted Shares of Common Stock that will vest at the 2010 Annual Meeting. The Reporting Person is a member of Knott Partners Management LLC ("KPM"). KPM is the sole general partner of Shoshone Partners, L.P., Mulsanne Partners, L.P. and Knott Partners Offshore Master Fund, L.P., as well as the managing general partner of Knott Partners, L.P. The Reporting Person may be deemed to beneficially own an indirect pecuniary interest in the securities represented in this entry as a result of a performance-related fee. Except with respect to (a) Knott Partners, L.P., in which the Reporting Person owns a beneficial interest, and (b) Knott Partners, L.P., Shoshone Partners, L.P. and Knott Partners Offshore Master Fund, L.P., but only to the extent of the Reporting Person's indirect pecuniary interest in KPM, the Reporting Person disclaims beneficial ownership in such securities except to the extent ultimately realized. The Reporting Person is a senior analyst of Dorset Management Corporation ("DMC"). DMC provides investment management services to Knott Partners, L.P., Shoshone Partners, L.P., Mulsanne Partners, L.P., Knott Partners Offshore Master Fund, L.P. and separate institutional managed accounts (each, a "Managed Account"). Each of Knott Partners, L.P., Shoshone Partners, L.P., Mulsanne Partners, L.P., and Knott Partners Offshore Master Fund, L.P., and each of the Managed Accounts disclaims beneficial ownership of securities reported as owned by any other party. The inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of all of the reported shares for purposes of Section 16 or any other purpose. On July 2, 2010, the Issuer pre-paid the $40 million in Convertible Subordinated Notes due 2011 described in Column 1 of Table II of this Report, in a transaction approved by its shareholders on July 1, 2010. The number of securities and the price set forth on this Report in Column 4 of Table I and Columns 5 and 8, respectively, of Table II for this row reflect, as a result of such pre-payment, the holder's proportionate share of the following: $26 million in cash (plus accrued and unpaid interest up to, but excluding, July 2, 2010), warrants to purchase 7.75 million shares of the Issuer's common stock (which warrants are described in Column 1 of Table II), and 7,407,407 million shares of the Issuer's Common Stock (which shares are described in Column 1 of Table I). The warrants are not exercisable to the extent that, upon exercise, the holder would beneficially own in excess of 9.99% of the shares of the Issuer's Common Stock outstanding immediately after giving effect to such exercise. These securities were convertible at the time of the pre-payment described in footnote 4, above. /s/ Anthony R. Campbell 2010-07-07