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 18, 2018

COMMUNITY HEALTH SYSTEMS, INC.

(Exact name of registrant as specified in its charter)

4000 Meridian Boulevard

Franklin, Tennessee 37067

(Address of principal executive offices)

Registrant’s telephone number, including area code: (615) 465-7000

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

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.  ☐

On May 18, 2018, Community Health Systems, Inc. issued a press release announcing that its wholly owned subsidiary, CHS/Community Health Systems, Inc., has amended certain terms of its previously commenced offers to exchange (collectively, the “Exchange Offers”) (i) up to $1,925 million aggregate principal amount of its new 9.875% Junior-Priority Secured Notes due 2023 (the “2023 Notes”) in exchange for any and all of its $1,925 million aggregate principal amount of outstanding 8.000% Senior Unsecured Notes due 2019 (the “2019 Notes”), (ii) up to $1,200 million aggregate principal amount of its new 8.125% Junior-Priority Secured Notes due 2024 (the “2024 Notes” and, together with the 2023 Notes, the “New Notes”) in exchange for any and all of its $1,200 million aggregate principal amount of outstanding 7.125% Senior Unsecured Notes due 2020 (the “2020 Notes”) and (iii) to the extent that less than all of the outstanding 2019 Notes and 2020 Notes are tendered in the Exchange Offers, up to an aggregate principal amount of 2024 Notes equal to, when taken together with the New Notes issued in exchange for the validly tendered and accepted 2019 Notes and 2020 Notes, $3,125 million, in exchange for its outstanding 6.875% Senior Unsecured Notes due 2022 (the “2022 Notes” and, together with the 2019 Notes and the 2020 Notes, the “Old Notes”).

The amendment extends the deadline for tendering Old Notes in order to receive the total consideration of (i) $1,000 principal amount of 2023 Notes per $1,000 principal amount of 2019 Notes tendered and accepted for exchange, (ii) $1,000 principal amount of 2024 Notes per $1,000 principal amount of 2020 Notes tendered and accepted for exchange and (iii) $750 principal amount of 2024 Notes per $1,000 principal amount of 2022 Notes tendered and accepted for exchange from 5:00 p.m., New York City time, on May 17, 2018 to 5:00 p.m., New York City time, on May 22, 2018. All other terms, conditions and applicable dates of the Exchange Offers remain unchanged.

A copy of the press release is attached hereto as Exhibit 99.1 and is incorporated herein by reference.

(d) Exhibits

The following exhibit is filed herewith:

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.