X0303 4 2011-04-12 0 0000716646 CLINICAL DATA INC CLDA 0001091823 KIRK RANDAL J THE GOVERNOR TYLER 1881 GROVE AVENUE RADFORD VA 24141 1 0 1 0 Common Stock 2011-04-12 4 U 0 2326687 30.00 D 0 D Common Stock 2011-04-12 4 U 0 1106672 30.00 D 0 I by R.J. Kirk DOT Common Stock 2011-04-12 4 U 0 146900 30.00 D 0 I by JPK 2009 Common Stock 2011-04-12 4 U 0 146900 30.00 D 0 I by MGK 2009 Common Stock 2011-04-12 4 U 0 23600 30.00 D 0 I by ZSK 2009 Common Stock 2011-04-12 4 U 0 32500 30.00 D 0 I by JPK 2008 Common Stock 2011-04-12 4 U 0 32500 30.00 D 0 I by MGK 2008 Common Stock 2011-04-12 4 U 0 32500 30.00 D 0 I ZSK 2008 Common Stock 2011-04-12 4 U 0 1212 30.00 D 0 I by Lotus Capital Common Stock 2011-04-12 4 U 0 1626722 30.00 D 0 I by Kirkfield Common Stock 2011-04-12 4 U 0 692617 30.00 D 0 I by Staff01 Common Stock 2011-04-12 4 U 0 24240 30.00 D 0 I by Incentive08 Common Stock 2011-04-12 4 U 0 48478 30.00 D 0 I by Staff08 Common Stock 2011-04-12 4 U 0 48478 30.00 D 0 I by SenStaff08 Common Stock 2011-04-12 4 U 0 1049877 30.00 D 0 I by NRM II Common Stock 2011-04-12 4 U 0 290014 30.00 D 0 I by NRM III Common Stock 2011-04-12 4 U 0 3380985 30.00 D 0 I by NRM V Warrant 16.44 2011-04-12 4 U 0 212089 13.56 D 2009-03-26 2014-03-26 Common Stock 212089 0 D Warrant 16.44 2011-04-12 4 U 0 110385 13.56 D 2009-03-26 2014-03-26 Common Stock 110385 0 I by R.J. Kirk DOT Warrant 8.12 2011-04-12 4 U 0 619825 21.88 D 2009-08-25 2014-08-25 Common Stock 619825 0 I by R.J. Kirk DOT Warrant 9.744 2011-04-12 4 U 0 619825 20.26 D 2009-08-25 2014-08-25 Common Stock 619825 0 I by R.J. Kirk DOT Covertible Debit 8.1825 2011-04-12 4 U 0 2479412 30.00 D 2009-02-25 2017-02-25 Common Stock 2479412 0 I by R.J. Kirk DOT Warrant 16.44 2011-04-12 4 U 0 7300 13.56 D 2009-03-26 2014-03-26 Common Stock 7300 0 I by JPK 2009 Warrant 8.12 2011-04-12 4 U 0 72000 21.88 D 2009-08-25 2014-08-25 Common Stock 72000 0 I by JPK 2009 Warrant 9.744 2011-04-12 4 U 0 72000 20.26 D 2009-08-25 2014-08-25 Common Stock 72000 0 I by JPK 2009 Convertible Debt 8.1825 2011-04-12 4 U 0 287944 30.00 D 2009-02-25 2017-02-25 Common Stock 287944 0 I by JPK 2009 Warrant 16.44 2011-04-12 4 U 0 7300 13.56 D 2009-03-26 2014-03-26 Common Stock 7300 0 I by MGK 2009 Warrant 8.12 2011-04-12 4 U 0 72000 21.88 D 2009-08-25 2014-08-25 Common Stock 72000 0 I by MGK 2009 Warrant 9.744 2011-04-12 4 U 0 72000 20.26 D 2009-08-25 2014-08-25 Common Stock 72000 0 I by MGK 2009 Convertible Debt 8.1825 2011-04-12 4 U 0 287944 30.00 D 2009-02-25 2017-02-25 Common Stock 287944 0 I by MGK 2009 Warrant 16.44 2011-04-12 4 U 0 7300 13.56 D 2009-03-26 2014-03-26 Common Stock 7300 0 I by ZSK 2009 Warrant 16.44 2011-04-12 4 U 0 16300 13.56 D 2009-03-26 2014-03-26 Common Stock 16300 0 I by JPK 2008 Warrant 16.44 2011-04-12 4 U 0 16300 13.56 D 2009-03-26 2014-03-26 Common Stock 16300 0 I by MGK 2008 Warrant 16.44 2011-04-12 4 U 0 16300 13.56 D 2009-03-26 2014-03-26 Common Stock 16300 0 I by ZSK 2008 Warrant 16.44 2011-04-12 4 U 0 606 13.56 D 2009-03-26 2014-03-26 Common Stock 606 0 I by Lotus Capital Warrant 16.44 2011-04-12 4 U 0 302983 13.56 D 2009-03-26 2014-03-26 Common Stock 302983 0 I by Kirkfield Warrant 16.44 2011-04-12 4 U 0 12120 13.56 D 2009-03-26 2014-03-26 Common Stock 12120 0 I by Incentive08 Warrant 16.44 2011-04-12 4 U 0 24239 13.56 D 2009-03-26 2014-03-26 Common Stock 24239 0 I by Staff08 Warrant 16.44 2011-04-12 4 U 0 24239 13.56 D 2009-03-26 2014-03-29 Common Stock 24239 0 I by SenStaff08 Warrant 8.12 2011-04-12 4 U 0 763825 21.88 D 2009-08-25 2014-08-25 Common Stock 763825 0 I by NRM V Warrant 9.744 2011-04-12 4 U 0 763825 20.26 D 2009-08-25 2014-08-25 Common Stock 763825 0 I by NRM V Convertible Debt 8.1825 2011-04-12 4 U 0 3055300 30.00 D 2009-02-25 2017-02-25 Common Stock 3055300 0 I by NRM V In addition to the indicated cash consideration, each holder is entitled to a Contingent Value Right entitling the holder to additional payments of up to $6.00 per share, in the event that certain milestones are satisfied. Randal J. Kirk (2000) Limited Partnership, RJK, L.L.C, and Zhong Mei, L.L.C. were liquidated effective as of November 30, 2009 and in connection therewith the assets, including CLDA shares held thereby, were distributed pro-rata to the beneficial owners of such entities or their designees. Such transactions constituted a change in form of beneficial ownership; Randal J. Kirk continues to control each of the resulting owners of the distributed CLDA shares: R.J. Kirk Declaration of Trust ("R.J. Kirk DOT"), JPK 2009, LLC ("JPK 2009"), MGK 2009, LLC ("MGK 2009"), ZSK 2009, LLC ("ZSK 2009"), JPK 2008, LLC ("JPK 2008"), MGK 2008, LLC ("MGK 2008"), ZSK 2008, LLC ("ZSK 2008"), and Lotus Capital (2000) Company, Inc. ("Lotus Capital"). Randal J. Kirk controls each of R.J. Kirk DOT, JPK 2009, MGK 2009, ZSK 2009, JPK 2008, MGK 2008, ZSK 2008, Lotus Capital, Kirkfield, L.L.C. ("Kirkfield"), Third Security Staff 2001 LLC ("Staff01"), Third Security Incentive 2008 LLC ("Incentive08"), Third Security Staff 2008 LLC ("Staff08"), Third Security Senior Staff 2008 LLC ("SenStaff08"), New River Management II, LP ("NRM II"), New River Management III, LP ("NRM III") and New River Management V, LP ("NRM V"). Shares held by these entities may be deemed to be indirectly beneficially owned (as defined under Rule 13d-3 promulgated under the Securities Exchange Act of 1934, as amended) by Mr. Kirk. /s/ Randal J. Kirk 2011-04-12