Sec Form 3 Filing - Pillar Invest Corp @ IDERA PHARMACEUTICALS, INC. - 2019-07-23

FORM 3 Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940

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1. Name and Address of Reporting Person Pillar Invest Corp 2. Issuer Name and Ticker or Trading Symbol IDERA PHARMACEUTICALS, INC. [ IDRA] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director X __ 10% Owner _____ Officer (give title below) _____ Other (specify below) (Last) (First) (Middle) PILLAR INVEST OFFSHORE SAL STARCO CTR,, BLOC B, 3RD FLOOR, OMAR DAOUK STREET 3. Date of Earliest Transaction (MM/DD/YY) 07/23/2019 (Street) BEIRUT, M82020-3313 4. If Amendment, Date Original Filed (MM/DD/YY) 6. Individual or Joint/Group Filing (Check Applicable Line) _____ Form filed by One Reporting Person __ X __ Form filed by More than One Reporting Person (City) (State) (Zip)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned 1.Title of Security (Instr. 3) 2. Transaction Date (MM/DD/YY) 2A. Deemed Execution Date, if any (MM/DD/YY) 3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4) Code V Amount (A) or (D) Price Common Stock 3,418,224 I ( 1 ) See Footnote ( 2 )

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned ( e.g. , puts, calls, warrants, options, convertible securities) 1. Title of Derivative Security (Instr. 3) 2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (MM/DD/YY) 3A. Deemed Execution Date, if any (MM/DD/YY) 4. Transaction Code (Instr. 8) 5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4, and 5) 6. Date Exercisable and Expiration Date (MM/DD/YY) 7. Title and Amount of Underlying Securities (Instr. 3 and 4) 8. Price of Derivative Security (Instr. 5) 9. Number of Derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4) 10. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 4) 11. Nature of Indirect Beneficial Ownership (Instr. 4) Code V (A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares

Reporting Owners Reporting Owner Name / Address Relationships Director 10% Owner Officer Other Pillar Invest Corp PILLAR INVEST OFFSHORE SAL STARCO CTR, BLOC B, 3RD FLOOR, OMAR DAOUK STREET BEIRUT, M82020-3313 X Pillar Pharmaceuticals I LP PILLAR INVEST OFFSHORE SAL STARCO CTR, BLOC B, 3RD FLOOR, OMAR DAOUK STREET BEIRUT, M82020-3313 X Pillar Pharmaceuticals II, L.P. PILLAR INVEST OFFSHORE SAL, STARCO CTR, BLOC B, 3RD FLOOR, OMAR DAOUK STREET BEIRUT, M82020-3313 X Pillar Pharmaceuticals III, L.P. PILLAR INVEST OFFSHORE SAL STARCO CTR, BLOC B, 3RD FLOOR OMAR DAOUK STREET BEIRUT, M82020-3313 X Pillar Pharmaceuticals IV, L.P. PILLAR INVEST OFFSHORE SAL STARCO CTR, BLOC B, 3RD FLOOR, OMAR DAOUK STREET BEIRUT, M82020-3313 X Pillar Pharmaceuticals V LP PILLAR INVEST OFFSHORE SAL STARCO CTR, BLOC B, 3RD FLOOR, OMAR DAOUK STREET BEIRUT, M82020-3313 X Pillar Pharmaceuticals 6, L.P. PILLAR INVEST OFFSHORE SAL STARCO CTR, BLOC B, 3RD FLOOR, OMAR DAOUK STREET BEIRUT, M82020-3313 X Pillar Partners Foundation, L.P. PILLAR INVEST OFFSHORE SAL STARCO CTR BLOC B, 3RD FLOOR, OMAR DAOUK STREET BEIRUT, M82020-3313 X Umari Abude PILLAR INVEST OFFSHORE SAL STARCO CTR, BLOC B, 3RD FLOOR, OMAR DAOUK STREET BEIRUT, M82020-3313 X ZEIN YOUSSEF EL PILLAR INVEST OFFSHORE SAL, STARCO CTR, BLOC B, 3RD FLOOR, OMAR DAOUK STREET BEIRUT, M82020-3313 X Signatures Pillar Invest Corporation, /s/ Youssef El Zein, Authorized Person 08/05/2019 Signature of Reporting Person Date

Explanation of Responses:

( 1 )Consists of 56,100 shares held directly by Pillar Pharmaceuticals I, L.P. ("Pillar I"), 40,820 shares held directly by Pillar Pharmaceuticals II, L.P. ("Pillar II"), 49,780 shares held directly by Pillar Pharmaceuticals III, L.P. ("Pillar III"), 10,000 shares held directly by Pillar Pharmaceuticals IV, L.P. ("Pillar IV"), 105,000 shares held directly by Pillar Pharmaceuticals V, L.P. ("Pillar V"), 1,392,259 shares held directly by Pillar Pharmaceuticals 6, L.P. ("Pillar 6"), 1,684,494 shares held directly by Pillar Partners Foundation, L.P. ("Pillar Foundation"), 6,724 shares and 33,125 options (exercisable with 60 days) held directly by Youssef El Zein and 39,922 shares held directly by Abude Umari. ( 2 )Pillar Invest Corporation ("Pillar GP"), is the general partner of Pillar I, Pillar II, Pillar III, Pillar IV, Pillar V, Pillar 6 and Pillar Foundation. Youssef El Zein and Abude Umari are directors of Pillar GP. By virtue of the relationships described in this footnote, Messrs. El Zein and Umari may be deemed to exercise voting and dispositive power with respect to the shares held directly by Pillar I, Pillar II, Pillar III, Pillar IV, Pillar V, Pillar 6, Pillar Foundation and indirectly by Pillar GP. Messrs. Umari and El Zein expressly disclaim beneficial ownership of any shares held directly by Pillar I, Pillar II, Pillar III, Pillar IV, Pillar V, Pillar 6, Pillar Foundation and indirectly by Pillar GP except to the extent of their pecuniary interest therein. Pillar I, Pillar II, Pillar III, Pillar IV, Pillar V, Pillar 6, Pillar Foundation and Pillar GP expressly disclaim beneficial ownership of any shares held directly by Messrs. Umari and El Zein.

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