UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 or 15(d)

of the Securities Exchange Act of 1934

Date of Report (Date of earliest event reported): May 19, 2022

Eagle Pharmaceuticals, Inc.

(Exact name of registrant as specified in its charter)

Registrant’s telephone number, including area code: (201) 326-5300

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligations of the registrant under any of the following provisions:

¨ Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

¨ Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

¨ Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

¨ Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to Section 12(b) of the Act:

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (17 CFR §230.405) or Rule 12b-2 of the Securities Exchange Act of 1934 (17 CFR §240.12b-2).

Emerging growth company ¨

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ¨

Item 8.01                    Other Events.

On May 20, 2022, Acacia Pharma Group PLC (“Acacia Pharma”) announced that holders of 52.91% of Acacia Pharma shares voted on May 19, 2022 to approve the previously announced proposed cash and share offer by Eagle Pharmaceuticals, Inc. (the “Company”) for the entire issued and to be issued share capital of Acacia Pharma, to be effected by means of a court sanctioned scheme of arrangement under Part 26 of the UK Companies Act 2006 (the “Proposed Acquisition”) and that the special resolution to implement the Proposed Acquisition, including the amendment of Acacia Pharma’s articles of association, was approved. The Proposed Acquisition is subject to additional closing conditions, including, among others (i)  the sanction of the Proposed Acquisition by the High Court of Justice of England and Wales (the “Court”) and (ii) the Proposed Acquisition becoming effective no later than June 30, 2022, which date may be extended by mutual agreement of the parties.

The expected timetable for the Proposed Acquisition remains as set out on pages 16 and 17 of the Scheme Document, included as Exhibit 99.1 to the Company’s Current Report on Form 8-K filed with the Securities and Exchange Commission on April 27, 2022. The timing of the Proposed Acquisition will depend on whether and when the closing conditions are satisfied and the sanction of the Proposed Acquisition by the Court. There is no assurance that the Proposed Acquisition will be consummated on the expected timetable or at all.

Forward-Looking Statements

This Current Report contains forward-looking information within the meaning of the Private Securities Litigation Reform Act of 1995, as amended, and other securities laws. Forward-looking statements are statements that are not historical facts. Words and phrases such as “anticipated,” “forward,” “will,” “would,” “may,” “remain,” “potential,” “prepare,” “expected,” “believe,” “plan,” “near future,” “belief,” “guidance,” and similar expressions are intended to identify forward-looking statements. These statements include, but are not limited to, statements regarding future events such as: the strategic fit of BARHEMSYS and BYFAVO with the Company’s specialized hospital-based salesforce; statements regarding the addressable market size and commercial potential for BARHEMSYS and BYFAVO and other products or product candidates; the expected structure, anticipated synergies, terms, timing and closing of the Proposed Acquisition; the Company’s marketing, product development, partnering and growth strategy, including relating to the commercialization of BARHEMSYS and BYFAVO, and the ability of Acacia Pharma’s technology and know-how to help the Company achieve its strategy; the expectation that the addition of BARHEMSYS and BYFAVO will be accretive to the Company, and the timing thereof; the expected sources of financing for the Proposed Acquisition; the expected cash resources of the Company; the ability of the Company to expand the application of the Acacia Pharma products; the timing, scope or likelihood and timing of regulatory filings and approvals from the FDA for the Company’s product candidates, including landiolol; the ability of BARHEMSYS and BYFAVO to address unmet clinical needs; the ability of BARHEMSYS to offer significant economic savings to hospitals and ambulatory centers; the ability of BYFAVO to offer potential health economic benefits and enable shorter procedure times and greater patient throughput; the ability of the Proposed Acquisition to create shareholder value; and the ability of the Company’s executive team to execute on the Company’s strategy and build stockholder value. All of such statements are subject to certain risks and uncertainties, many of which are difficult to predict and generally beyond the Company's control, that could cause actual results to differ materially from those expressed in, or implied or projected by, the forward-looking information and statements. Such risks and uncertainties include, but are not limited to: the risk that the transaction described above is not consummated or that the benefits of the transaction are not realized; the impacts of the COVID-19 pandemic and geopolitical events such as the ongoing military conflict between Ukraine and Russia and related sanctions against Russia, including disruption or impact in the sales of the Company's marketed products, interruptions or other adverse effects to clinical trials, delays in regulatory review, manufacturing and supply chain interruptions, adverse effects on healthcare systems, disruption in the operations of the Company's third party partners and disruption of the global economy, and the overall impact of the COVID-19 pandemic or other events on the Company's business, financial condition and results of operations; unforeseen expenses or liabilities or other market factors; whether the Company will incur unforeseen expenses or liabilities or other market factors; whether the Company will successfully implement its development plan for its product candidates; delay in or failure to obtain regulatory approval of the Company's or its partners’ product candidates; whether the Company can successfully market and commercialize its product candidates; the success of the Company's relationships with its partners; the availability and pricing of third party sourced products and materials; the outcome of litigation involving any of its products or that may have an impact on any of the Company’s products; successful compliance with the FDA and other governmental regulations applicable to product approvals, manufacturing facilities, products and/or businesses; general economic conditions, including the potential adverse effects of public health issues, including the COVID-19 pandemic and geopolitical events, on economic activity and the performance of the financial markets generally; the strength and enforceability of the Company's intellectual property rights or the rights of third parties; competition from other pharmaceutical and biotechnology companies and the potential for competition from generic entrants into the market; the risks inherent in the early stages of drug development and in conducting clinical trials; receipt of the Court’s sanction of the Proposed Acquisition and the satisfaction of and other closing conditions; and factors in addition to the foregoing that may impact the Company’s financial projects and guidance, including among other things, any potential business development transactions, acquisitions, restructurings or legal settlements, in addition to any unanticipated factors, that may cause the Company’s actual results and outcomes to materially differ from its projections and guidance; and those risks and uncertainties identified in the “Risk Factors” section of the Company's Annual Report on Form 10-K for the year ended December 31, 2021, filed with the Securities and Exchange Commission (the “SEC”) on March 8, 2022, as updated by Eagle’s Quarterly Report on Form 10-Q for the quarter ended March 31, 2022, filed with the SEC on May 9, 2022, and its other subsequent filings with the SEC. Readers are cautioned not to place undue reliance on these forward-looking statements. All forward-looking statements contained in this press release speak only as of the date on which they were made. Except to the extent required by law, the Company undertakes no obligation to update such statements to reflect events that occur or circumstances that exist after the date on which they were made.

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the Registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.