The Company’s capital structure consists of ordinary shares, undesignated preferred shares and, prior to the completion of the Company’s IPO on May 30, 2018, convertible preferred shares with certain rights and privileges summarized below. Under Irish law, the Company is prohibited from allotting shares without consideration. Accordingly, at least the nominal value of the shares issued underlying any restricted share award, restricted share unit, performance share award, bonus share or any other share based grant must be paid pursuant to the Irish Companies Act.

Ordinary Shares

The Company was initially incorporated without a cap on its authorized share capital as permitted by the Companies Act 2014 of Ireland. On October 14, 2015, the Company authorized and issued 413,110 ordinary shares with a par value of $0.01 per share (after taking account of the reverse share split and redenomination of the par value of the ordinary shares from $0.01571 (the nominal value resulting from the reverse share split) to $0.01 on May 15, 2018). On March 13, 2018, the Company redenominated its 44,557,606 authorized and 413,110 issued ordinary shares from $0.0001 to $0.001 per share in accordance with section 83(1)(c) of the Companies Act 2014 in Ireland.

On November 18, 2015, the Company increased the authorized ordinary share capital to 3,659,453 shares with a par value of $0.01 per share.

On May 18, 2017, the Company increased the authorized ordinary share capital to 7,956,715 shares with a par value of $0.01 per share.

On February 16, 2018, the Company increased its authorized ordinary shares by 36,600,891 to 44,557,606 ordinary shares with a par value of $0.01 per share.

On May 30, 2018, the Company increased its authorized ordinary shares by 5,442,394 to 50,000,000 ordinary shares of $0.01 each.

On December 14, 2018, Iterum Therapeutics plc (“ITP”) and Iterum Therapeutics International Limited (“ITIL”) entered into a subscription agreement with a supplier of ITIL pursuant to which the supplier agreed to subscribe for ordinary shares in ITP in satisfaction of amounts due and owing under certain commercial agreements entered into between the supplier and ITIL (the “Subscription Agreement”). Pursuant to the terms of the Subscription Agreement, upon receipt by ITIL of a valid invoice from the supplier, ITP can elect to require the supplier to subscribe for ordinary shares in the capital of ITP (up to a maximum of 700,000 ordinary shares in total) to the value of the invoiced amount (a “Subscription”). On a Subscription, the supplier will direct ITIL to pay ITP such invoiced amount as subscription monies on the supplier’s behalf in satisfaction of the invoiced amount. 

On December 14, 2018, ITP elected that the supplier subscribe for 190,615 ordinary shares for an aggregate subscription price of $1.36 million (the “Subscription Monies”) upon receipt by ITIL of valid invoices up to that amount from the supplier (the “Invoiced Amount”).  On that date, ITP, ITIL and the supplier executed a payment direction letter pursuant to which the parties directed ITIL to pay $1.36 million (€1.20 million) to ITP in satisfaction of the supplier’s obligation to pay the Subscription Monies to ITP and ITIL’s obligation to pay the invoiced amount to the supplier.

The holders of ordinary shares are entitled to one vote for each share held. The holders of ordinary shares have no preemptive or other subscription rights, and there are no redemption or sinking fund provisions with respect to such shares.  

Undesignated Preferred Shares

On May 30, 2018, the Company created a new class of undesignated preferred shares of $0.01 each, 100,000,000 of which were authorized immediately prior to closing of the initial public offering.  The Directors are authorized by our Articles of Association to determine the rights attaching to the undesignated preferred shares including rights of redemption, rights as to dividends, rights on winding up and conversion rights.  There were no undesignated preferred shares in issue as of December 31, 2018.

Convertible Preferred Shares

On November 18, 2015, the Company authorized 3,022,915 Series A convertible preferred shares with a par value of $0.01 per share. On the same day, the Company issued 1,514,320 Series A convertible preferred shares for a purchase price of $15.71 per share for: (1) gross cash proceeds of $20,701; (2) the issue of 190,961 convertible preferred shares to Pfizer as part consideration for the license agreement; and (3) the conversion of $90 debt owed by the Company to its founders for a total of 5,728 preferred shares (after taking account of the reverse share split and redenomination of the par value of the convertible preferred shares from $0.01571 (the nominal value resulting from the reverse share split) per share to $0.01 on May 15, 2018). On March 13, 2018, the Company redenominated its 3,032,463 authorized and 3,032,457 issued Series A convertible preferred shares from $0.0001 to $0.001 par value per share in accordance with section 83(1)(c) of the Companies Act 2014 in Ireland.

On December 9, 2016, the Company authorized 9,548 Series A convertible preferred shares with a par value of $0.01 per share.

On December 16, 2016, the Company issued 1,518,137 Series A convertible preferred shares for a purchase price of $15.71 per share for: (1) gross cash proceeds of $20,851; and (2) the issue of an additional 190,961 convertible preferred shares to Pfizer as part consideration for the license agreement.

On May 18, 2017, the Company authorized 2,654,215 Series B-1 convertible preferred shares with a par value of $0.01 per share and 1,042,728 Series B-2 convertible preferred shares with a par value of $0.01 per share (the “Series B convertible preferred shares”). On the same day, the Company issued 2,654,206 Series B-1 convertible preferred shares for a purchase price of $17.28 per share, for gross cash proceeds of $45,867 (after taking account of the reverse share split and redenomination of the par value of the convertible preferred shares from $0.01571 (the nominal value resulting from the reverse share split) per share to $0.01 on May 15, 2018). On March 13, 2018, the Company redenominated its 4,801,493 authorized and 4,363,856 issued Series B convertible preferred shares from $0.0001 to $0.001 par value per share in accordance with section 83(1)(c) of the Companies Act 2014 in Ireland.

On February 16, 2018, the Company increased its authorized Series B-2 convertible preferred shares to 2,147,278 shares with a par value of $0.01 per share. On the same day, the Company issued 1,709,650 Series B-2 convertible preferred shares for consideration of $18.85 per share, for gross cash proceeds of $32,230.

On May 30, 2018, immediately prior to the completion of the Company’s IPO, holders of convertible preferred shares of Iterum Therapeutics Plc exchanged their preferred shares for ordinary shares of Iterum Therapeutics Plc on a one-for-one basis and all convertible preferred shares were subsequently cancelled.

Prior to the exchange and cancellation of preferred convertible shares on May 30, 2018, the ordinary shares were subordinate to the convertible preferred shares with respect to dividend rights and rights upon liquidation, winding up and dissolution of the Company and the holders of ordinary shares were entitled to liquidation proceeds after all liquidation preferences for the convertible preferred shares were satisfied.