Iterum Therapeutics plc — Director's Dealing 2021

Feb 13, 2021

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: Iterum Therapeutics plc (ITRM)
CIK: 0001659323
Period of Report: 2021-02-11

Reporting Person: DENNER ALEXANDER J (10% Owner)
Reporting Person: Sarissa Capital Management LP (10% Owner)
Reporting Person: Sarissa Capital Offshore Master Fund LP (10% Owner)
Reporting Person: Sarissa Capital Catapult Fund LLC (10% Owner)
Reporting Person: Sarissa Capital Hawkeye Fund LP (10% Owner)
Reporting Person: Sarissa Capital Master Fund II LP (10% Owner)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2021-02-11	Ordinary Shares	C	20619949	—	Acquired	20616949	Indirect
2021-02-11	Ordinary Shares	S	10000000	$2.59	Disposed	10619949	Indirect
2021-02-12	Ordinary Shares	S	10619949	$2.27	Disposed	0	Indirect

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2021-02-11	6.500% Exchangeable Senior Subordinated Note due 2025	$	C	15000000	Disposed	2025-01-31	Ordinary Shares (20619949)	Indirect

Footnotes

F1: Dr. Denner, Sarissa Capital and the Sarissa Funds (each as defined below and, collectively, the "Reporting Persons") beneficially owned $15,00,000 principal amount of the Issuer's 6.500% Exchangeable Senior Subordinated Notes due 2025 (the "Exchangeable Notes"), which became exchangeable into the Issuer's Ordinary Shares at the option of the holder on January 21, 2021. On February 11, 2021, all of the Exchangeable Notes held by the Reporting Persons (inclusive of accrued interest) were exchanged for 20,619,949 Ordinary Shares.

F2: (continued from footnote 1) As a result of the exchange (i) Sarissa Capital Offshore Master Fund LP, a Cayman Islands exempted limited partnership ("Sarissa Offshore"), was the direct beneficial owner of 12,126,791, (ii) Sarissa Capital Catapult Fund LLC, a Delaware limited liability company ("Sarissa Catapult") was the direct beneficial owner of 4,727,467 Ordinary Shares, (iii) Sarissa Capital Hawkeye Fund LP, a Delaware limited partnership ("Sarissa Hawkeye") was the direct beneficial owner of 3,520,513 Ordinary Shares and (iv) Sarissa Capital Master Fund II, a Delaware limited partnership ("Sarissa Master II" and, together with Sarissa Offshore, Sarissa Catapult, and Sarissa Hawkeye, the "Sarissa Funds") was the direct beneficial owner of 245,178 Ordinary Shares.

F3: Following the exchange, on February 11, 2021, the Reporting Persons sold, in the aggregate, 10,000,000 Ordinary Shares at a volume weighted average price of $2.59 per share. These shares were sold in multiple open market transactions at prices ranging from $2.58 to $2.70. Of the aggregate amount of Ordinary Shares sold on February 11, 2021 by the Reporting Persons (i) Sarissa Offshore sold 5,881,300 Ordinary Shares, (ii) Sarissa Catapult sold 2,292,700 Ordinary Shares, (iii) Sarissa Hawkeye sold 1,707,300 Ordinary Shares and (iv) Sarissa Master II sold 118,700 Ordinary Shares.

F4: On February 12, 2021, the Reporting Persons sold, in the aggregate 10,619,949 Ordinary Shares at a volume weighted average price of $2.27 per share. These shares were sold in multiple open market transactions at prices ranging from $2.24 to $2.27. Of the aggregate amount of Ordinary Shares sold on February 12, 2021 by the Reporting Persons (i) Sarissa Offshore sold 6,245,491 Ordinary Shares, (ii) Sarissa Catapult sold 2,434,767 Ordinary Shares, (iii) Sarissa Hawkeye sold 1,813,213 Ordinary Shares and (iv) Sarissa Master II sold 126,478 Ordinary Shares.

F5: The Reporting Persons undertake to provide any securityholder of the Issuer, the Issuer or the SEC Staff, upon request, full information regarding the number of shares traded at each separate price within the ranges set forth in this footnote to this Form 4.

F6: Sarissa Capital Management LP, a Delaware limited partnership ("Sarissa Capital"), is the investment advisor to the Sarissa Funds and may be deemed to have beneficial ownership over the Ordinary Shares directly beneficially owned by the Sarissa Funds by virtue of the authority granted to it to vote and to dispose of the securities held by them, including the Ordinary Shares. Alexander J. Denner, Ph.D., a citizen of the United States of America ("Dr. Denner"), is the Chief Investment Officer of Sarissa Capital and the ultimate general partner of Sarissa Capital, Sarissa Offshore, Sarissa Hawkeye, Sarissa Master II, and the managing member of Sarissa Catapult is controlled by Dr. Denner; accordingly, Dr. Denner may be deemed to have beneficial ownership over the Ordinary Shares directly beneficially owned by the Sarissa Funds by virtue of such positions.

F7: Each of Dr. Denner, Sarissa Capital, Sarissa Offshore, Sarissa Catapult, Sarissa Hawkeye and Sarissa Master II disclaims beneficial ownership of the Ordinary Shares except, in each case, to the extent of their pecuniary interest therein.