UNITED STATES SECURITIES AND EXCHANGE COMMISSION
WASHINGTON, D.C. 20549

FORM 10-K/A
(Amendment No. 4)

R ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934

For the fiscal year ended December 31, 2013

or

£ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934

Commission file number 001-35471

SAExploration Holdings, Inc.

(Exact name of registrant as specified in its charter)

Registrant’s telephone number, including area code (281) 258-4400

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

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

Warrants, Each to Purchase One Share of Common Stock

(Title of class)

Indicate by check mark if the registrant is a well-known seasoned issuer, as defined in Rule 405 of the Securities Act. Yes ¨ Noþ

Indicate by check mark if the registrant is not required to file reports pursuant to Section 13 or Section 15(d) of the Act. Yes o NoR

Indicate by check mark whether the registrant (1) has filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding 12 months (or for such shorter period that the registrant was required to file such reports), and (2) has been subject to such filings requirements for the past 90 days. Yes R No o

Indicate by check mark whether the registrant has submitted electronically and posted on its corporate Website, if any, every Interactive Data File required to be submitted and posted pursuant to Rule 405 of Regulation S-T (§232.405 of this chapter) during the preceding 12 months (or for such shorter period that the registrant was required to submit and post such files). Yes R No o

Indicate by check mark if disclosure of delinquent filers pursuant to Item 405 of Regulation in S-K (§229.405 of this chapter) is not contained herein, and will not be contained, to the best of the registrant’s knowledge, in definitive proxy or information statements incorporated by reference in Part III of this Form 10-K or any amendment to this Form 10-K. o

Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, or a smaller reporting company. See definition of “large accelerated filer”, “accelerated filer” and “smaller reporting company” in Rule 12b-2 of the Exchange Act.

Indicate by check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the Act). Yes o NoR

The aggregate market value of the voting and non-voting common equity held by non-affiliates of the registrant as of June 28, 2013, the last business day of the registrant’s most recently completed second fiscal quarter was $64,404,673, calculated by reference to the closing price of $10.15 for the registrant’s common stock on The Nasdaq Global Market on that date.

Number of shares of Common Stock, $0.0001 par value, outstanding as of March 31, 2014: 14,870,549

DOCUMENTS INCORPORATED BY REFERENCE

None.

Exhibit Index Located on Page 2

EXPLANATORY NOTE

This Form 10-K/A is being filed as an amendment (“Amendment No. 4”) to the Annual Report on Form 10-K filed by SAExploration Holdings, Inc. with the Securities and Exchange Commission (the “SEC”) on April 3, 2014 (the “Original Filing”), as amended by Amendment No. 1 on Form 10-K/A filed with the SEC on April 14, 2014 (“Amendment No. 1”), as amended by Amendment No. 2 on Form 10-K/A filed with the SEC on April 28, 2014 (“Amendment No. 2”), and as amended by Amendment No.3 on Form 10-K/A filed with the SEC on October 9, 2014 (“Amendment No. 3”), to refile Exhibits 10.28 and 10.29, together with the exhibits, schedules and annexes thereto. In addition, with this Amendment No. 4, we are including currently dated certifications by our chief executive officer and chief financial officer as Exhibits 31.1 and 31.2 under Section 302 of the Sarbanes-Oxley Act of 2002 as required by Rule 12b-15 under the Securities Exchange Act of 1934, as amended. We are not including updated certifications under Section 906 of the Sarbanes-Oxley Act of 2002, as there are no financial statements included in this Amendment No. 3.

Except as described above, no other sections of the Original Filing, as amended by Amendment No. 1, Amendment No. 2 and Amendment No. 3, have been amended. This Amendment No. 4 is presented as of April 3, 2014, the filing date of the Original Filing, and has not been updated to reflect other events, occurring after the date of the Original Filing, or to modify or update those disclosures affected by subsequent events. More current information is contained in our other filings with the Securities and Exchange Commission.

TABLE OF CONTENTS

SIGNATURES

Pursuant to the requirements of the Section 13 or 15 or 15(d) of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized.

In accordance with the Securities Exchange Act of 1934, this report has been signed below by the following persons on behalf of the registrant and in the capacities and on the dates indicated.

EXHIBIT INDEX

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