IDERA PHARMACEUTICALS, INC. Purchase Agreements

First Amendment to Purchase Agreement, dated as of September 2, 2020, by and between Idera Pharmaceuticals, Inc. and Lincoln Park Capital Fund, LLC (Filed With SEC on September 3, 2020)

Securities Purchase Agreement, dated July 13, 2020, by and among Idera Pharmaceuticals, Inc. and Pillar Partners Foundation, L.P (Filed With SEC on July 15, 2020)

Securities Purchase Agreement, dated April 7, 2020, by and among Idera Pharmaceuticals, Inc. and Pillar Partners Foundation, L.P (Filed With SEC on April 7, 2020)

Securities Purchase Agreement, dated December 23, 2019, by and among the institutional investors named therein (Filed With SEC on December 23, 2019)

Purchase Agreement, dated as of March 4, 2019, by and between Idera Pharmaceuticals, Inc. and Lincoln Park Capital Fund, LLC (Filed With SEC on March 6, 2019)

EX-10.1 - Amendment No. 1 to Purchase Agreement (Filed With SEC on November 13, 2006)

EX-10.39 UNIT PURCHASE AGREEMENT (Filed With SEC on April 1, 2002)