EXPLANATORY NOTE
This Registration Statement on Form S-8, or the Registration Statement, is filed by Entasis Therapeutics Holdings Inc., or the Company, for the purpose of registering additional shares of its common stock, par value $0.001 per share, or the Common Stock, under the Company’s 2018 Equity Incentive Plan, or the 2018 Plan and the Company’s 2018 Employee Stock Purchase Plan, or the ESPP.
The number of shares of Common Stock available for issuance under the 2018 Plan is subject to an automatic annual increase on January 1st of each year, for a period of not more than 10 years, commencing on January 1, 2019 and ending on (and including) January 1, 2028, in an amount equal to the lesser of: (a) 4% of the total number of shares of capital stock outstanding on December 31st of the preceding calendar year and (b) a number of shares of Common Stock designated by action of the Company’s board of directors prior to the first day of any calendar year, or the 2018 Plan Provision. Accordingly, the number of shares of Common Stock available for issuance under the 2018 Plan was increased by 1,914,071 shares effective January 1, 2022. This Registration Statement registers the 1,914,071 additional shares of Common Stock available for issuance under the 2018 Plan as a result of the 2018 Plan Provision.
The number of shares of Common Stock available for issuance under the ESPP is subject to an automatic annual increase on January 1st of each year for a period of up to 10 years, commencing on January 1, 2019 and ending on (and including) January 1, 2028. The number of shares added each year will be equal to the lesser of: (a) 1% of the total number of shares of the Company’s capital stock outstanding on December 31 of the preceding calendar year; (b) 250,000 shares of Common Stock and (c) a number of shares of Common Stock designated by action of the Company’s board of directors prior to the first day of any calendar year, or the ESPP Provision. Accordingly, the number of shares of Common Stock available for issuance under the ESPP was increased by 250,000 shares effective January 1, 2022. This Registration Statement registers the 250,000 additional shares of Common Stock available for issuance under the ESPP as a result of the ESPP Provision.
Pursuant to General Instruction E to Form S-8 under the Securities Act, the contents of the Company’s Registration Statements on Form S-8 filed with the Securities and Exchange Commission, or the SEC, on November 14, 2018 (File No. 333-228384), March 29, 2019 (File No. 333-230593), May 7, 2020 (File No. 333-238076), August 6, 2020 (File No. 333-241672) and March 23, 2021 (File No. 333-254607) are incorporated by reference into this Registration Statement.
PART II
INFORMATION REQUIRED IN THE REGISTRATION STATEMENT
Item 3. Incorporation of Documents by Reference.
The following documents (File No. 001-38670) previously filed with the SEC are hereby incorporated by reference:
All documents subsequently filed by the Company pursuant to Section 13(a), 13(c), 14 or 15(d) of the Exchange Act, prior to the filing of a post-effective amendment which indicates that all securities offered hereby have been sold or which deregisters all securities then remaining unsold, shall be deemed to be incorporated by reference into this Registration Statement and to be a part hereof from the date of filing such documents, except as to specific sections of such documents as set forth therein.
Unless expressly incorporated into this Registration Statement, a report furnished on Form 8-K (or any portion thereof so furnished) prior or subsequent to the date hereof shall not be incorporated by reference into this Registration Statement. Any statement contained in a document incorporated or deemed to be incorporated by reference herein shall