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 OF SECURITIES
                                                                                  
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Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934 or Section 30(h) of the Investment Company Act of 1940
                      
1. Name and Address of Reporting Person * Ahrens Brenton Karl 2. Issuer Name and Ticker or Trading Symbol Iterum Therapeutics plc [ ITRM ] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable)__X__ Director                    _____ 10% Owner
_____ Officer (give title below)    _____ Other (specify below)
(Last)         (First)         (Middle)
C/O CANAAN PARTNERS, 285 RIVERSIDE AVE., SUITE 250
3. Date of Earliest Transaction (MM/DD/YYYY)
1/21/2020
(Street)
WESTPORT, CT 06880
(City)       (State)       (Zip)
4. If Amendment, Date Original Filed (MM/DD/YYYY)
 
6. Individual or Joint/Group Filing (Check Applicable Line) _X _ Form filed by One Reporting Person
___ Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1.Title of Security
(Instr. 3)
2. Trans. Date 2A. Deemed Execution Date, if any 3. Trans. 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

Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivate Security
(Instr. 3)
2. Conversion or Exercise Price of Derivative Security 3. Trans. Date 3A. Deemed Execution Date, if any 4. Trans. 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 7. Title and Amount of Securities Underlying Derivative Security
(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
6.500% Exchangeable Senior Subordinated Note due 2025   (1)(2) 1/21/2020    A     $2000000.00       (1)(2) 1/31/2025  Ordinary Shares  2000000  $2000000.00  $2000000.00  I  By Canaan X L.P (3)

Explanation of Responses:
(1)  On January 21, 2020, Iterum Therapeutics Bermuda Limited (the "Issuer"), a wholly-owned subsidiary of Iterum Therapeutics plc (the "Company"), issued and sold, among other things, 6.500% exchangeable senior subordinated notes due 2025 (the "Exchangeable Notes") pursuant to a securities purchase agreement among the Issuer, the Company, the Company's wholly-owned subsidiaries and a group of accredited investors. Subject to the terms of the indenture governing the Exchangeable Notes, on or after January 21, 2021 until the second scheduled trading day immediately preceding January 15, 2025, holders may exchange the Exchangeable Notes at any time. The Exchangeable Notes are exchangeable into, at the Company's election, Ordinary Shares of the Company, cash or a combination of Ordinary Shares and cash, at an initial exchange rate of 1,000 shares per $1,000 principal amount of Exchangeable Notes (equivalent to an initial exchange price of approximately $1.00 per Ordinary Share).
(2)  (Continued from footnote 1) The Exchangeable Notes mature on January 31, 2025, unless earlier exchanged, redeemed or repurchased in accordance with their terms.
(3)  This Exchangeable Note is held directly by Canaan X L.P. (the "Canaan Fund"). The sole general partner of the Canaan Fund is Canaan Partners X LLC ("Canaan X", and together with the Canaan Fund, the "Canaan Entities"). Investment and voting decisions with respect to the securities held by the Canaan Fund are made by the managers of Canaan X, collectively. The reporting person, a manager and member of Canaan X, serves as the representative of the Canaan Entities on the Company's board of directors. The reporting person disclaims Section 16 beneficial ownership in the securities held by the Canaan Entities, except to the extent of his pecuniary interest therein, if any, in such securities by virtue of the limited liability company interests he owns in Canaan X.

Reporting Owners
Reporting Owner Name / Address
Relationships
Director 10% Owner Officer Other
Ahrens Brenton Karl
C/O CANAAN PARTNERS
285 RIVERSIDE AVE., SUITE 250
WESTPORT, CT 06880
X



Signatures
/s/ Janine MacDonald, Attorney-in-Fact for Brenton Karl Ahrens 1/23/2020
**Signature of Reporting Person Date
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