Filing Details

Accession Number:
0001140361-12-020888
Form Type:
4
Zero Holdings:
No
Publication Time:
2012-04-19 16:00:23
Reporting Period:
2012-04-17
Filing Date:
2012-04-19
Accepted Time:
2012-04-19 15:00:23
SEC Url:
Form 4 Filing
Issuer
Cik Name Symbol Sector (SIC) IRS No
861838 Idera Pharmaceuticals Inc. IDRA Biological Products, (No Disgnostic Substances) (2836) 043072298
Insiders
Cik Name Reported Address Insider Title Director Officer Large Shareholder Other
1443689 Senator Investment Group Lp 510 Madison Avenue
28Th Floor
New York NY 10022
No No Yes No
Reported Non-Derivative Transactions
Sec. Name Acquisiton - Disposition Date Amount Price Remaning Holdings Equity Swap Involved Form Type Code Nature of Ownership Explanation
Common Stock Disposition 2012-04-17 4,000 $2.15 2,996,000 No 4 S Indirect See Footnote
Common Stock Disposition 2012-04-17 74,000 $2.15 2,922,000 No 4 S Indirect See Footnote
Common Stock Disposition 2012-04-18 42,000 $2.09 2,880,000 No 4 S Indirect See Footnote
Equity Swap Involved Form Type Code Nature of Ownership Explanation
No 4 S Indirect See Footnote
No 4 S Indirect See Footnote
No 4 S Indirect See Footnote
Footnotes
  1. The entities and individuals identified in this Form 4 (the "Reporting Persons") disclaim any membership in any "group".
  2. The amount of securities shown in this row is owned by Senator Global Opportunity Master Fund L.P. (the "Master Fund"). As Investment Manager to the Master Fund, Senator Investment Group LP ("Senator LP") may be deemed to be the beneficial owner of the Issuer's securities owned by the Master Fund, but disclaims beneficial ownership to the extent such ownership exceeds its pecuniary interest. Douglas Silverman, a United States citizen, and Alexander Klabin, a United States citizen, have control of a Delaware limited liability company that may be deemed to control Senator LP. Each of Messrs. Silverman and Klabin disclaim beneficial ownership of the shares held by the Master Fund to the extent such beneficial interest exceeds his pecuniary interest.