Sec Form 4 Filing - Pillar Invest Corp @ IDERA PHARMACEUTICALS, INC. - 2020-07-13

FORM 4 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) 07/13/2020 (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 07/13/2020 P 749,993 ( 1 ) A $ 1.72 5,427,697 I By Pillar Partners Foundation, L.P.See Footnotes ( 1 ) ( 2 ) Common Stock 21,100 I By Pillar Pharmaceuticals I, L.P.See Footnote ( 2 ) Common Stock 20,820 I By Pillar Pharmaceuticals II, L.P.See Footnote ( 2 ) Common Stock 29,998 I By Pillar Pharmaceuticals III, L.P.See Footnote ( 2 ) Common Stock 1,000 I By Pillar Pharmaceuticals IV, L.P.See Footnote ( 2 ) Common Stock 25,000 I By Pillar Pharmaceuticals V, L.P.See Footnote ( 2 ) Common Stock 1,288,368 I By Pillar Pharmaceuticals 6 , L.P.See Footnote ( 2 ) Common Stock 6,724 I By Youssef El ZeinSee Footnote ( 2 ) Common Stock 190,117 I By Abude UmariSee Footnotes ( 2 ) ( 3 )

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 Prefunded Warrants ( 4 ) ( 5 ) 07/13/2020 P 2,014,234 ( 4 )( 5 ) ( 4 )( 5 ) Common Stock 2,014,234 $ 0 ( 4 ) ( 5 ) 2,014,234 I By Pillar Partners Foundation, L.P.See Footnote ( 2 ) Common Warrants ( 6 ) ( 7 ) 07/13/2020 P 2,764,227 ( 6 )( 7 ) ( 6 )( 7 ) Common Stock 2,764,227 $ 0 ( 6 ) ( 7 ) 2,764,227 I By Pillar Partners Foundation, L.P.See Footnote ( 2 )

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 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 07/15/2020 Signature of Reporting Person Date Pillar Partners Foundation, L.P., /s/ Youssef El Zein, Authorized Person 07/15/2020 Signature of Reporting Person Date /s/ Abude Umari 07/15/2020 Signature of Reporting Person Date /s/ Youssef El Zein 07/15/2020 Signature of Reporting Person Date

Explanation of Responses:

( 1 )On July 13, 2020, upon the consummation of a private placement of the Issuer (the "Private Placement"), Pillar Partners Foundation, L.P. ("Pillar Foundation"), acquired, in the Private Placement, (i) 749,993 shares of common stock (the "Pillar Foundation Shares") (ii) pre-funded warrants to purchase 2,014,234 shares of common stock of the Issuer (the "Prefunded Warrants") and (iii) warrants to purchase 2,764,267 shares of common stock of the Issuer (the "Common Warrants" and together with the Prefunded Warrants, the "Pillar Foundation Warrants"). The price per share for the Pillar Foundation Shares was $1.72, and the price per Pillar Foundation Warrant was $0.125. ( 2 )Pillar Invest Corporation ("Pillar GP") is the general partner of Pillar Pharmaceuticals I, L.P., Pillar Pharmaceuticals II, L.P., Pillar Pharmaceuticals III, L.P., Pillar Pharmaceuticals IV, L.P., Pillar Pharmaceuticals V, L.P., Pillar Pharmaceuticals 6, L.P. ("Pillar 6") and Pillar Foundation (collectively, the "Pillar Funds"). Youssef El Zein and Abude Umari are directors of Pillar GP. Each of Pillar GP, Mr. El Z ein and Mr. Umari disclaims Section 16 beneficial ownership of the securities beneficially owned by the Pillar Funds and this report shall not be deemed an admission that any of Pillar GP, Mr. El Zein or Mr. Umari is the Section 16 beneficial owner of any such securities, except to the extent of its or his pecuniary interest therein, if any, by virtue of its or his ownership interest in the Pillar Funds or Pillar GP, as applicable. ( 3 )Includes 103,891 shares received in a prior pro rata, without value distribution from Pillar 6, and 46,304 shares received in a prior pro rata, without value distribution from Pillar Foundation. These distributions were effected in compliance with the exemptions afforded pursuant to Rule 16a-9 and Rule 16a-13 of the Securities Exchange Act of 1934, as amended. ( 4 )The exercise price of each Prefunded Warrant is $0.01 per Share, subject to adjustment pursuant to the terms of the Prefunded Warrants. ( 5 )The Pre-funded warrants have no expiration date and are exercisable immediately, to the extent that after giving effect to such exercise the holders thereof and their affiliates would beneficially own, for purposes of Rule 13d-3 under the Securities Act of 1934, as amended, no more than 19.99% of the outstanding shares of Common Stock (the "Beneficial Ownership Limitation"). ( 6 )The exercise price of each Common Warrant is $2.58 per share, subject to adjustment pursuant to the terms of the Common Warrants. ( 7 )The Common Warrants are currently exercisable; provided, however, that the Common Warrants are subject to the Beneficial Ownership Limitation. The Common Warrants expire 3 years following their issuance date.

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