Date Name Title Filing Type Shares Traded Price Total Held
Feb 16, 2012
Director, EVP CSO President Regeneron Re
Director, EVP CSO President Regeneron Re Form 4 Other acquisition or disposition -- -- 5,534
Feb 15, 2012
Director, President & CEO
Director, President & CEO Form 4 Other acquisition or disposition -- -- 84,773
Feb 15, 2012
Director, President & CEO
Director, President & CEO Form 4 Other acquisition or disposition -- -- 5,416
Feb 15, 2012
SVP Research and Development S
SVP Research and Development S Form 4 Other acquisition or disposition -- -- 5,335
Feb 15, 2012
Director, EVP CSO President Regeneron Re
Director, EVP CSO President Regeneron Re Form 4 Exercise or conversion of derivative security exempted pursuant to Rule 16b-3 129,902 -- 3,430
Feb 15, 2012
Director, EVP CSO President Regeneron Re
Director, EVP CSO President Regeneron Re Form 4 Exercise or conversion of derivative security exempted pursuant to Rule 16b-3 3,430 -- --
Feb 15, 2012
Director, EVP CSO President Regeneron Re
Director, EVP CSO President Regeneron Re Form 4 Grant, award or other acquisition pursuant to Rule 16b-3(d) 10,103 -- 10,103
Feb 15, 2012
Director, EVP CSO President Regeneron Re
Director, EVP CSO President Regeneron Re Form 4 Grant, award or other acquisition pursuant to Rule 16b-3(d) 266 -- 10,369
Feb 14, 2012
Director
Director Form 4 Exercise or conversion of derivative security exempted pursuant to Rule 16b-3 15,000 -- --
Feb 14, 2012
Director
Director Form 4 Exercise or conversion of derivative security exempted pursuant to Rule 16b-3 15,000 -- --

* Represents the number of non-derivative securities directly held. (I) Indicates that some (or all) of these shares are held indirectly.