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): February 1, 2018 (February 1, 2018)

ALASKA COMMUNICATIONS SYSTEMS GROUP, INC.

(Exact Name of Registrant as Specified in Its Charter)

Delaware

(State or Other Jurisdiction

of Incorporation)

600 Telephone Avenue, Anchorage, Alaska 99503-6091

(Address of Principal Executive Offices) (Zip Code)

(Registrant’s Telephone Number, Including Area Code) (907) 297-3000

(Former Name or Former Address, if Changed Since Last Report): Not Applicable

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 (§ 230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§ 240.12b-2 of this chapter). 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.  ☐

The disclosure under Item 8.01 of this Current Report on Form 8-K is incorporated by reference into this Item 5.03.

On February 1, 2018, the Board of Directors of Alaska Communications Systems Group, Inc., a Delaware corporation, approved the extension of the deadline for stockholders to nominate directors and to propose other business to be considered at the Company’s 2018 Annual Meeting of Stockholders (the “2018 Annual Meeting”) from prior to 5:00 p.m. Alaska time on February 6, 2018 to prior to 5:00 p.m. Alaska time on February 9, 2018 (the “Advance Notice Deadline”). Any director nominations or proposals of other business received by the Company prior to 5:00 p.m. Alaska time on February 9, 2018, and otherwise complying with the Company’s Amended and Restated Bylaws, will be considered timely. This waiver and extension of the Advance Notice Deadline is applicable only for the 2018 Annual Meeting.

SIGNATURE

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.