13D Filing: Blue Mountain Capital and Saexploration Holdings Inc. (NASDAQ:SAEX)

Blue Mountain Capital reported owning 9.9% of Saexploration Holdings Inc. (NASDAQ:SAEX)’s outstanding shares. The biggest holder of this small stock is Whitebox Advisors. You can access the original SEC filing by clicking here.

Ownership Summary Table

Name Sole Voting Power Shared Voting Power Sole Dispositive Power Shared Dispositive Power Aggregate Amount Owned Power Percent of Class
BlueMountain Capital Management 0 123,420 0 123,420 123,420 9.9%
BlueMountain GP Holdings 0 123,420 0 123,420 123,420 13.3%
Blue Mountain Credit Alternatives Master Fund 0 938,540 0 938,540 938,540 9.9%
Blue Mountain CA Master Fund GP, Ltd 0 938,540 0 938,540 938,540 9.9%
BlueMountain Long Short Credit GP 0 1,441,300 0 1,441,300 1,441,300 3.4%
BlueMountain Guadalupe Peak Fund 0 2,440,797 0 2,440,797 2,440,797 3.4 (1) 14 TYPE OF REPORTING PERSON ( See Instructions) PN (1) The percentage set forth in Row 13 of this Cover Page is based on 34,977,087 shares of Common Stock (as defined in Item 1) outstanding as of September 6, 2018, as disclosed in the Form 8-K filed by the Issuer on September 11, 2018. BlueMountain Guadalupe Peak Fund L.P. ( BMGP ) is the direct owner of 80,647 shares of Common Stock, 76,393 Series C Warrants, 156,099 Series D Warrants and 919,281 Series E Warrants. At all times a holder of Series C Warrants, Series D Warrants and or Series E Warrants, who is not a beneficial owner of 10%
BlueMountain Kicking Horse Fund GP 0 2,440,797 0 2,440,797 2,440,797 2.6%
BlueMountain Kicking Horse Fund 0 0 2.6%
BlueMountain Timberline Ltd 0 0 4.0%
BlueMountain Summit Opportunities GP II 0 0 6.5%
BlueMountain Summit Trading 0 0 6.5%
BlueMountain Montenvers GP S. r.l 0 0 9.9%
BlueMountain Montenvers Master Fund SCA SICAV-SIF 0 0 9.9%

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Page 1 of 19 – SEC Filing

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

SCHEDULE 13D

 

UNDER THE SECURITIES EXCHANGE ACT OF
1934

(Amendment No. 5)*

SAEXPLORATION HOLDINGS, INC.
(Name of Issuer)
Common Stock, par value $0.0001 per share
(Title of Class of Securities)
78636X204
(CUSIP Number)

 with a copy to:

Eric M. Albert

BlueMountain Capital Management, LLC

280 Park Avenue, 12th Floor

New York, New York 10017

212-905-5647

(Name, Address and Telephone Number of Person
Authorized to Receive Notices and Communications)
September
6, 2018
(Date of Event Which Requires Filing of this Statement)

If the filing person has previously filed
a statement on Schedule 13G to report the acquisition that is the subject of this Schedule 13D, and is filing this schedule because
of §§ 240.13d-1(e), 240.13d-1(f) or 240.13d-1(g), check the following box. ☐

Note: Schedules filed in paper format
shall include a signed original and five copies of the schedule, including all exhibits. See § 240.13d-7 for other parties
to whom copies are to be sent.

*The remainder of this cover page shall be
filled out for a reporting person’s initial filing on this form with respect to the subject class of securities, and for
any subsequent amendment containing information which would alter disclosures provided in a prior cover page.

The information required on the
remainder of this cover page shall not be deemed to be “filed” for the purpose of Section 18 of the Securities
Exchange Act of 1934 (“Act”) or otherwise subject to the liabilities of that section of the Act but shall be
subject to all other provisions of the Act (however, see the Notes).

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Page 2 of 19 – SEC Filing

CUSIP No.   78636X204
1

NAMES OF REPORTING PERSONS

BlueMountain Capital Management, LLC

2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (See instructions)
     (a)   x (b)   o
  3 SEC USE ONLY
4 SOURCE OF FUNDS (See instructions)      WC
5 CHECK IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT
TO ITEMS 2(d) or 2(e)     o
6 CITIZENSHIP OR PLACE OF ORGANIZATION:    Delaware, United States of America
NUMBER OF SHARES 7 SOLE VOTING POWER 0       
BENEFICIALLY OWNED 8 SHARED VOTING POWER *see
below(1)
 
BY EACH REPORTING 9 SOLE DISPOSITIVE POWER 0     
PERSON WITH 10 SHARED DISPOSITIVE POWER *see
below(1)
 
11 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
    *see
below(1)
12 CHECK IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES 
(see Instructions)    o
13 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)
  9.9%(1)
14 TYPE OF REPORTING PERSON (See Instructions)  
  IA

 (1) The
percentage set forth in Row 13 of this Cover Page is based on 34,977,087 shares of Common Stock (as defined in Item 1) outstanding
as of September 6, 2018, as disclosed in the Form 8-K filed by the Issuer on September 11, 2018.

BlueMountain Capital Management, LLC (“BMCM”)
the investment manager of each of: (i) Blue Mountain Credit Alternatives Master Fund L.P. (“BMCA”), which is the direct
owner of 1,647,107 shares of Common Stock, 1,585,686 Series C Warrants, 3,239,910 Series D Warrants and 18,951,598 Series E Warrants;
(ii) BlueMountain Guadalupe Peak Fund L.P. (“BMGP”), which is the direct owner of 80,647 shares of Common Stock, 76,393
Series C Warrants, 156,099 Series D Warrants and 919,281 Series E Warrants; (iii) BlueMountain Kicking Horse Fund L.P. (“BMKH”),
which is the direct owner of 61,411 shares of Common Stock, 58,174 Series C Warrants, 118,862 Series D Warrants and 700,093 Series
E Warrants (iv) BlueMountain Summit Trading L.P. (“BMST” and, together with BMCA, BMGP and BMKH, the “Partnerships”),
which is the direct owner of 160,171 shares of Common Stock, 151,711 Series C Warrants, 309,981 Series D Warrants and 1,818,934
Series E Warrants (v) BlueMountain Timberline Ltd. (“BMT”), which is the direct owner of 59,405 shares of Common Stock,
91,815 Series C Warrants, 187,597 Series D Warrants and 1,102,483 Series E Warrants; and (vi) BlueMountain Montenvers Master Fund
SCA SICAV-SIF (“BMM” and, together with the Partnerships and BMT, the “Funds”), which is the direct owner of
373,365 shares of Common Stock, 353,634 Series C Warrants, 722,543 Series D Warrants and 4,226,733 Series E Warrants. BMCM, although
it directs the voting and disposition of the securities held by the Funds, only receives an asset-based fee relating to the securities
held by the Funds.

Blue Mountain CA Master Fund GP, Ltd. (“BMCA
GP”) is the general partner of BMCA and has an indirect profits interest in the securities beneficially owned by it; (ii)
BlueMountain Summit Opportunities GP II, LLC (“BMST GP”) is the general partner of BMST and has an indirect profits interest
in the securities beneficially owned by it; (iii) BlueMountain Long/Short Credit GP, LLC (“BMGP GP”) is the general partner
of BMGP and has an indirect profits interest in the securities beneficially owned by it; (iv) BlueMountain Montenvers GP S.à r.l.
(“BMM GP”) is the general partner of BMM and has an indirect profits interest in the securities beneficially owned by
it; and (v) BlueMountain Kicking Horse Fund GP, LLC (“BMKH GP” and, together with BMCA GP, BMST GP, and BMGP GP, the
“General Partners”) is the general partner of BMKH and has an indirect profits interest in the securities beneficially
owned by it. BlueMountain GP Holdings, LLC (“GP Holdings”) is the sole owner of each of the General Partners and thus
has an indirect profits interest in the securities beneficially owned by the Partnerships. BMCM is the sole owner of BMM GP and
thus has an indirect profits interest in the securities beneficially owned by BMM.

At all times a holder of Series C Warrants, Series D Warrants and/or Series E Warrants, who is not a beneficial
owner of 10% or more of the outstanding Common Stock, may exercise only up to that number of Series E Warrants so that, upon exercise,
the aggregate beneficial ownership of Common Stock of such holder and all persons affiliated with such holder, is not more than
9.99% of Common Stock then outstanding (other than in connection with a change of control of the Issuer).

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Page 3 of 19 – SEC Filing

CUSIP No.   78636X204
1

NAMES OF REPORTING PERSONS

BlueMountain GP Holdings, LLC

2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (See instructions)
     (a)   x (b)   o
  3 SEC USE ONLY
4 SOURCE OF FUNDS (See instructions)      WC
5 CHECK IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT
TO ITEMS 2(d) or 2(e)     o
6 CITIZENSHIP OR PLACE OF ORGANIZATION:    Delaware, United States of America
NUMBER OF SHARES 7 SOLE VOTING POWER 0       
BENEFICIALLY OWNED 8 SHARED VOTING POWER *see
below
(1)
BY EACH REPORTING 9 SOLE DISPOSITIVE POWER 0     
PERSON WITH 10 SHARED DISPOSITIVE POWER *see
below(1)
11 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
 *see
below(1)
12 CHECK IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES 
(see Instructions)    o
13 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)
  13.3%(1)
14 TYPE OF REPORTING PERSON (See Instructions)  
  CO

(1) The
percentage set forth in Row 13 of this Cover Page is based on 34,977,087 shares of Common Stock (as defined in Item 1) outstanding
as of September 6, 2018, as disclosed in the Form 8-K filed by the Issuer on September 11, 2018.

 

BlueMountain
GP Holdings, LLC (“GP Holdings”) is the sole owner of each of the General Partners and thus has an indirect profits interest
in the securities beneficially owned by the Partnerships (defined below). (i) Blue Mountain CA Master Fund GP, Ltd. (“BMCA
GP”) is the general partner of BMCA and has an indirect profits interest in the securities beneficially owned by it; (ii)
BlueMountain Summit Opportunities GP II, LLC (“BMST GP”) is the general partner of BMST and has an indirect profits
interest in the securities beneficially owned by it; (iii) BlueMountain Long/Short Credit GP, LLC (“BMGP GP”) is the general
partner of BMGP and has an indirect profits interest in the securities beneficially owned by it; and (iv) BlueMountain
Kicking Horse Fund GP, LLC (“BMKH GP”) is the general partner of BMKH and has an indirect profits interest in the securities
beneficially owned by it. 

Blue Mountain Credit Alternatives Master Fund
L.P. (“BMCA”) is the direct owner of 1,647,107 shares of Common Stock, 1,585,686 Series C Warrants, 3,239,910
Series D Warrants and 18,951,598 Series E Warrants; (ii) BlueMountain Guadalupe Peak Fund L.P. (“BMGP”), which is the
direct owner of 80,647 shares of Common Stock, 76,393 Series C Warrants, 156,099 Series D Warrants and 919,281 Series E Warrants;
(iii) BlueMountain Kicking Horse Fund L.P. (“BMKH”), which is the direct owner of 61,411 shares of Common Stock, 58,174
Series C Warrants, 118,862 Series D Warrants and 700,093 Series E Warrants (iv) BlueMountain Summit Trading L.P. (“BMST”
and, together with BMCA, BMGP and BMKH, the “Partnerships”), which is the direct owner of 160,171 shares of Common Stock,
151,711 Series C Warrants, 309,981 Series D Warrants and 1,818,934 Series E Warrants.

At all times a holder of Series C Warrants, Series D Warrants and/or Series E Warrants, who is not a beneficial
owner of 10% or more of the outstanding Common Stock, may exercise only up to that number of Series E Warrants so that, upon exercise,
the aggregate beneficial ownership of Common Stock of such holder and all persons affiliated with such holder, is not more than
9.99% of Common Stock then outstanding (other than in connection with a change of control of the Issuer)

.

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Page 4 of 19 – SEC Filing

CUSIP No.   78636X204
1

NAMES OF REPORTING PERSONS

Blue Mountain Credit Alternatives Master Fund L.P.

2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (See instructions)
     (a)   x (b)   o
  3 SEC USE ONLY
4 SOURCE OF FUNDS (See instructions)      WC
5 CHECK IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT
TO ITEMS 2(d) or 2(e)     o
6 CITIZENSHIP OR PLACE OF ORGANIZATION:    Delaware, United States of America
NUMBER OF SHARES 7 SOLE VOTING POWER 0       
BENEFICIALLY OWNED 8 SHARED VOTING POWER *see
below(
1)
BY EACH REPORTING 9 SOLE DISPOSITIVE POWER 0     
PERSON WITH 10 SHARED DISPOSITIVE POWER *see
below(
1)
11 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
*see
below(1)
12 CHECK IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES 
(see Instructions)    o
13 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)
  9.9%(1)
14 TYPE OF REPORTING PERSON (See Instructions)  
  PN

(1)
The percentage set forth in Row 13 of this Cover Page is based on 34,977,087 shares of Common Stock
(as defined in Item 1) outstanding as of September 6, 2018, as disclosed in the Form 8-K filed by the Issuer on September 11, 2018.

Blue Mountain Credit Alternatives Master
Fund L.P. (“BMCA”), is the direct owner of 1,647,107 shares of Common Stock, 1,585,686 Series C Warrants, 3,239,910
Series D Warrants and 18,951,598 Series E Warrants.

At all times a holder of Series C Warrants,
Series D Warrants and/or Series E Warrants, who is not a beneficial owner of 10% or more of the outstanding Common Stock, may
exercise only up to that number of Series E Warrants so that, upon exercise, the aggregate beneficial ownership of Common Stock
of such holder and all persons affiliated with such holder, is not more than 9.99% of Common Stock then outstanding (other than
in connection with a change of control of the Issuer).

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Page 5 of 19 – SEC Filing

USIP No.   78636X204
1

NAMES OF REPORTING PERSONS

Blue Mountain CA Master Fund GP, Ltd.

2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (See instructions)
     (a)   x (b)   o
  3 SEC USE ONLY
4 SOURCE OF FUNDS (See instructions)      WC
5 CHECK IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT
TO ITEMS 2(d) or 2(e)     o
6 CITIZENSHIP OR PLACE OF ORGANIZATION:    Delaware, United States of America
NUMBER OF SHARES 7 SOLE VOTING POWER 0       
BENEFICIALLY OWNED 8 SHARED VOTING POWER *see
below(
1)
BY EACH REPORTING 9 SOLE DISPOSITIVE POWER 0     
PERSON WITH 10 SHARED DISPOSITIVE POWER *see
below(
1)
11 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
*see
below(1)
12 CHECK IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES 
(see Instructions)    o
13 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)
  9.9%(1)
14 TYPE OF REPORTING PERSON (See Instructions)  
  OO

(1)
The percentage set forth in Row 13 of this Cover Page is based on 34,977,087 shares of Common Stock
(as defined in Item 1) outstanding as of September 6, 2018, as disclosed in the Form 8-K filed by the Issuer on September 11, 2018.

Blue Mountain Credit Alternatives Master
Fund L.P. (“BMCA”), is the direct owner of 1,647,107 shares of Common Stock, 1,585,686 Series C Warrants, 3,239,910
Series D Warrants and 18,951,598 Series E Warrants.

Blue Mountain CA Master Fund GP, Ltd. is the general partner of BMCA and has an indirect profits interest in the securities
beneficially owned by it.

At all times a holder of Series C Warrants,
Series D Warrants and/or Series E Warrants, who is not a beneficial owner of 10% or more of the outstanding Common Stock, may
exercise only up to that number of Series E Warrants so that, upon exercise, the aggregate beneficial ownership of Common Stock
of such holder and all persons affiliated with such holder, is not more than 9.99% of Common Stock then outstanding (other than
in connection with a change of control of the Issuer).

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Page 6 of 19 – SEC Filing

CUSIP No.   78636X204
1

NAMES OF REPORTING PERSONS

BlueMountain Long/Short Credit GP, LLC

2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (See instructions)
     (a)   x (b)   o
  3 SEC USE ONLY
4 SOURCE OF FUNDS (See instructions)      WC
5 CHECK IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT
TO ITEMS 2(d) or 2(e)     o
6 CITIZENSHIP OR PLACE OF ORGANIZATION:    Delaware, United States of America
NUMBER OF SHARES 7 SOLE VOTING POWER 0       
BENEFICIALLY OWNED 8 SHARED VOTING POWER 123,420(1)
BY EACH REPORTING 9 SOLE DISPOSITIVE POWER 0     
PERSON WITH 10 SHARED DISPOSITIVE POWER 123,420(1)
11 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
123,420(1)
12 CHECK IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES 
(see Instructions)    o
13 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)
  3.4%(1)
14 TYPE OF REPORTING PERSON (See Instructions)  
  OO

 (1)
The percentage set forth in Row 13 of this Cover Page is based on 34,977,087 shares
of Common Stock (as defined in Item 1) outstanding as of September 6, 2018, as disclosed in the Form 8-K filed by the Issuer on
September 11, 2018.

BlueMountain Guadalupe Peak Fund L.P. (“BMGP”)
is the direct owner of 80,647 shares of Common Stock, 76,393 Series C Warrants, 156,099 Series D Warrants and 919,281 Series E
Warrants. BlueMountain Long/Short Credit GP, LLC is the general partner of BMGP and has an indirect profits interest in the securities
beneficially owned by it.

At all times a holder of Series C Warrants,
Series D Warrants and/or Series E Warrants, who is not a beneficial owner of 10% or more of the outstanding Common Stock, may
exercise only up to that number of Series E Warrants so that, upon exercise, the aggregate beneficial ownership of Common Stock
of such holder and all persons affiliated with such holder, is not more than 9.99% of Common Stock then outstanding (other than
in connection with a change of control of the Issuer).

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Page 7 of 19 – SEC Filing

CUSIP No.   78636X204
1

NAMES OF REPORTING PERSONS

BlueMountain Guadalupe Peak Fund L.P.

2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (See instructions)
     (a)   x (b)   o
  3 SEC USE ONLY
4 SOURCE OF FUNDS (See instructions)      WC
5 CHECK IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO
ITEMS 2(d) or 2(e)     o
6 CITIZENSHIP OR PLACE OF ORGANIZATION:    Delaware, United States of America
NUMBER OF SHARES 7 SOLE VOTING POWER 0       
BENEFICIALLY OWNED 8 SHARED VOTING POWER 123,420(1)  
BY EACH REPORTING 9 SOLE DISPOSITIVE POWER 0     
PERSON WITH 10 SHARED DISPOSITIVE POWER 123,420(1)  
11 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
  123,420(1) 
12 CHECK IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES 
(see Instructions)    o
13 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)
  3.4(1)
14 TYPE OF REPORTING PERSON (See Instructions)  
  PN

(1)
The percentage set forth in Row 13 of this Cover Page is based on 34,977,087 shares of Common Stock
(as defined in Item 1) outstanding as of September 6, 2018, as disclosed in the Form 8-K filed by the Issuer on September 11,
2018.

BlueMountain Guadalupe Peak Fund L.P. (“BMGP”)
is the direct owner of 80,647 shares of Common Stock, 76,393 Series C Warrants, 156,099 Series D Warrants and 919,281 Series E
Warrants.

At all times a holder of Series C Warrants,
Series D Warrants and/or Series E Warrants, who is not a beneficial owner of 10% or more of the outstanding Common Stock, may
exercise only up to that number of Series E Warrants so that, upon exercise, the aggregate beneficial ownership of Common Stock
of such holder and all persons affiliated with such holder, is not more than 9.99% of Common Stock then outstanding (other than
in connection with a change of control of the Issuer).

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Page 8 of 19 – SEC Filing

CUSIP No.   78636X204
1

NAMES OF REPORTING PERSONS

BlueMountain Kicking Horse Fund GP, LLC

2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (See instructions)
     (a)   x (b)   o
  3 SEC USE ONLY
4 SOURCE OF FUNDS (See instructions)      WC
5 CHECK IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT
TO ITEMS 2(d) or 2(e)     o
6 CITIZENSHIP OR PLACE OF ORGANIZATION:    Delaware, United States of America
NUMBER OF SHARES 7 SOLE VOTING POWER 0       
BENEFICIALLY OWNED 8 SHARED VOTING POWER 938,540(1)
BY EACH REPORTING 9 SOLE DISPOSITIVE POWER 0     
PERSON WITH 10 SHARED DISPOSITIVE POWER 938,540(1)
11 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
938,540(1)
12 CHECK IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES 
(see Instructions)    o
13 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)
  2.6%(1)
14 TYPE OF REPORTING PERSON (See Instructions)  
  OO

(1)
The percentage set forth in Row 13 of this Cover Page is based on 34,977,087 shares of Common Stock
(as defined in Item 1) outstanding as of September 6, 2018, as disclosed in the Form 8-K filed by the Issuer on September 11, 2018.

BlueMountain Kicking Horse Fund L.P. (“BMKH”)
is the direct owner of 61,411 shares of Common Stock, 58,174 Series C Warrants, 118,862 Series D Warrants and 700,093 Series E
Warrants. BlueMountain Kicking Horse Fund GP, LLC is the general partner of BMKH and has an indirect profits
interest in the securities beneficially owned by it.

At all times a holder of Series C Warrants,
Series D Warrants and/or Series E Warrants, who is not a beneficial owner of 10% or more of the outstanding Common Stock, may
exercise only up to that number of Series E Warrants so that, upon exercise, the aggregate beneficial ownership of Common Stock
of such holder and all persons affiliated with such holder, is not more than 9.99% of Common Stock then outstanding (other than
in connection with a change of control of the Issuer).

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Page 9 of 19 – SEC Filing

CUSIP No.   78636X204
1

NAMES OF REPORTING PERSONS

BlueMountain Kicking Horse Fund L.P.

2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (See instructions)
     (a)   x (b)   o
  3 SEC USE ONLY
4 SOURCE OF FUNDS (See instructions)      WC
5 CHECK IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT
TO ITEMS 2(d) or 2(e)     o
6 CITIZENSHIP OR PLACE OF ORGANIZATION:    Cayman Islands
NUMBER OF SHARES 7 SOLE VOTING POWER 0       
BENEFICIALLY OWNED 8 SHARED VOTING POWER 938,540(1)
BY EACH REPORTING 9 SOLE DISPOSITIVE POWER 0     
PERSON WITH 10 SHARED DISPOSITIVE POWER 938,540(1)
11 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
938,540(1)
12 CHECK IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES 
(see Instructions)    o
13 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)
  2.6%(1)
14 TYPE OF REPORTING PERSON (See Instructions)  
  PN

 (1)
The percentage set forth in Row 13 of this Cover Page is based on 34,977,087 shares
of Common Stock (as defined in Item 1) outstanding as of September 6, 2018, as disclosed in the Form 8-K filed by the Issuer on
September 11, 2018.

BlueMountain Kicking Horse Fund L.P. is the
direct owner of 61,411 shares of Common Stock, 58,174 Series C Warrants, 118,862 Series D Warrants and 700,093 Series E Warrants.

At all times a holder of Series C Warrants,
Series D Warrants and/or Series E Warrants, who is not a beneficial owner of 10% or more of the outstanding Common Stock, may
exercise only up to that number of Series E Warrants so that, upon exercise, the aggregate beneficial ownership of Common Stock
of such holder and all persons affiliated with such holder, is not more than 9.99% of Common Stock then outstanding (other than
in connection with a change of control of the Issuer).

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Page 10 of 19 – SEC Filing

CUSIP No.   78636X204
1

NAMES OF REPORTING PERSONS

BlueMountain Timberline Ltd.

2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (See instructions)
     (a)   x (b)   o
  3 SEC USE ONLY
4 SOURCE OF FUNDS (See instructions)      WC
5 CHECK IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT
TO ITEMS 2(d) or 2(e)     o
6 CITIZENSHIP OR PLACE OF ORGANIZATION:    Cayman Islands
NUMBER OF SHARES 7 SOLE VOTING POWER 0       
BENEFICIALLY OWNED 8 SHARED VOTING POWER 1,441,300(1)
BY EACH REPORTING 9 SOLE DISPOSITIVE POWER 0     
PERSON WITH 10 SHARED DISPOSITIVE POWER 1,441,300(1)
11 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
1,441,300(1)
12 CHECK IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES 
(see Instructions)    o
13 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)
  4.0%(1)
14 TYPE OF REPORTING PERSON (See Instructions)  
  CO

 (1)
The percentage set forth in Row 13 of this Cover Page is based on 34,977,087 shares
of Common Stock (as defined in Item 1) outstanding as of September 6, 2018, as disclosed in the Form 8-K filed by the Issuer on
September 11, 2018.

BlueMountain Timberline Ltd. is the direct
owner of 59,405 shares of Common Stock, 91,815 Series C Warrants, 187,597 Series D Warrants and 1,102,483 Series E Warrants.

At all times a holder of Series C Warrants,
Series D Warrants and/or Series E Warrants, who is not a beneficial owner of 10% or more of the outstanding Common Stock, may
exercise only up to that number of Series E Warrants so that, upon exercise, the aggregate beneficial ownership of Common Stock
of such holder and all persons affiliated with such holder, is not more than 9.99% of Common Stock then outstanding (other than
in connection with a change of control of the Issuer).

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Page 11 of 19 – SEC Filing

CUSIP No.   78636X204
1

NAMES OF REPORTING PERSONS

BlueMountain Summit Opportunities GP II, LLC

2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (See instructions)
     (a)   x (b)   o
  3 SEC USE ONLY
4 SOURCE OF FUNDS (See instructions)      WC
5 CHECK IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT
TO ITEMS 2(d) or 2(e)     o
6 CITIZENSHIP OR PLACE OF ORGANIZATION:    Delaware, United States of America
NUMBER OF SHARES 7 SOLE VOTING POWER 0       
BENEFICIALLY OWNED 8 SHARED VOTING POWER 2,440,797(1)
BY EACH REPORTING 9 SOLE DISPOSITIVE POWER 0     
PERSON WITH 10 SHARED DISPOSITIVE POWER 2,440,797(1)
11 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
2,440,797(1)
12 CHECK IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES 
(see Instructions)    o
13 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)
  6.5%(1)
14 TYPE OF REPORTING PERSON (See Instructions)  
  OO

(1)
The percentage set forth in Row 13 of this Cover Page is based on 34,977,087 shares of Common Stock
(as defined in Item 1) outstanding as of September 6, 2018, as disclosed in the Form 8-K filed by the Issuer on September 11,
2018.

BlueMountain Summit Trading L.P. (“BMST”)
is the direct owner of 160,171 shares of Common Stock, 151,711 Series C Warrants, 309,981 Series D Warrants and 1,818,934 Series
E Warrants

BlueMountain Summit Opportunities GP II, LLC
is the general partner of BMST and has an indirect profits interest in the securities beneficially owned by it.

At all times a holder of Series C Warrants,
Series D Warrants and/or Series E Warrants, who is not a beneficial owner of 10% or more of the outstanding Common Stock, may exercise
only up to that number of Series E Warrants so that, upon exercise, the aggregate beneficial ownership of Common Stock of such
holder and all persons affiliated with such holder, is not more than 9.99% of Common Stock then outstanding (other than in connection
with a change of control of the Issuer).

 

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Page 12 of 19 – SEC Filing

CUSIP No.   78636X204
1

NAMES OF REPORTING PERSONS

BlueMountain Summit Trading L.P.

2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (See instructions)
     (a)   x (b)   o
  3 SEC USE ONLY
4 SOURCE OF FUNDS (See instructions)      WC
5 CHECK IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT
TO ITEMS 2(d) or 2(e)     o
6 CITIZENSHIP OR PLACE OF ORGANIZATION:    Delaware, United States of America
NUMBER OF SHARES 7 SOLE VOTING POWER 0       
BENEFICIALLY OWNED 8 SHARED VOTING POWER 2,440,797(1)
BY EACH REPORTING 9 SOLE DISPOSITIVE POWER 0     
PERSON WITH 10 SHARED DISPOSITIVE POWER 2,440,797(1)
11 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
2,440,797(1)
12 CHECK IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES 
(see Instructions)    o
13 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)
  6.5%(1)
14 TYPE OF REPORTING PERSON (See Instructions)  
  PN

(1) The
percentage set forth in Row 13 of this Cover Page is based on 34,977,087 shares of Common Stock (as defined in Item 1)
outstanding as of September 6, 2018, as disclosed in the Form 8-K filed by the Issuer on September 11, 2018.

BlueMountain Summit Trading L.P. (“BMST”)
is the direct owner of 160,171 shares of Common Stock, 151,711 Series C Warrants, 309,981 Series D Warrants and 1,818,934 Series
E Warrants

At all times a holder of Series C Warrants,
Series D Warrants and/or Series E Warrants, who is not a beneficial owner of 10% or more of the outstanding Common Stock, may
exercise only up to that number of Series E Warrants so that, upon exercise, the aggregate beneficial ownership of Common Stock
of such holder and all persons affiliated with such holder, is not more than 9.99% of Common Stock then outstanding (other than
in connection with a change of control of the Issuer). 

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Page 13 of 19 – SEC Filing

 

CUSIP No.   78636X204
1

NAMES OF REPORTING PERSONS

BlueMountain Montenvers GP S.à r.l.

2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (See instructions)
     (a)   x (b)   o
  3 SEC USE ONLY
4 SOURCE OF FUNDS (See instructions)      WC
5 CHECK IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT
TO ITEMS 2(d) or 2(e)     o
6 CITIZENSHIP OR PLACE OF ORGANIZATION:    Luxembourg
NUMBER OF SHARES 7 SOLE VOTING POWER 0       
BENEFICIALLY OWNED 8 SHARED VOTING POWER *see
below
(1)
BY EACH REPORTING 9 SOLE DISPOSITIVE POWER 0     
PERSON WITH 10 SHARED DISPOSITIVE POWER *see
below(1)
11 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
*see
below
(1)
12 CHECK IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES 
(see Instructions)    o
13 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)
  9.9%(1)
14 TYPE OF REPORTING PERSON (See Instructions)  
  CO

 (1)
The percentage set forth in Row 13 of this Cover Page is based on 34,977,087 shares
of Common Stock (as defined in Item 1) outstanding as of September 6, 2018, as disclosed in the Form 8-K filed by the Issuer on
September 11, 2018.

BlueMountain Montenvers Master Fund SCA SICAV-SIF
(“BMM”) is the direct owner of 373,365 shares of Common Stock, 353,634 Series C Warrants, 722,543 Series D Warrants and
4,226,733 Series E Warrants. BlueMountain Montenvers GP S.à r.l. (“BMM GP”) is the general partner of BMM and has an
indirect profits interest in the securities beneficially owned by it.

At all times a holder of Series C Warrants,
Series D Warrants and/or Series E Warrants, who is not a beneficial owner of 10% or more of the outstanding Common Stock, may
exercise only up to that number of Series E Warrants so that, upon exercise, the aggregate beneficial ownership of Common Stock
of such holder and all persons affiliated with such holder, is not more than 9.99% of Common Stock then outstanding (other than
in connection with a change of control of the Issuer). 

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Page 14 of 19 – SEC Filing

 

CUSIP No.   78636X204
1

NAMES OF REPORTING PERSONS

BlueMountain Montenvers Master Fund SCA SICAV-SIF

2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (See instructions)
     (a)   x (b)   o
  3 SEC USE ONLY
4 SOURCE OF FUNDS (See instructions)      WC
5 CHECK IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT
TO ITEMS 2(d) or 2(e)     o
6 CITIZENSHIP OR PLACE OF ORGANIZATION:    Luxembourg
NUMBER OF SHARES 7 SOLE VOTING POWER 0       
BENEFICIALLY OWNED 8 SHARED VOTING POWER *see
below(1)
BY EACH REPORTING 9 SOLE DISPOSITIVE POWER     
PERSON WITH 10 SHARED DISPOSITIVE POWER *see below(1)
11 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
*see
below
(1)
12 CHECK IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES 
(see Instructions)    o
13 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)
  9.9%(1)
14 TYPE OF REPORTING PERSON (See Instructions)  
  PN

(1)
The percentage set forth in Row 13 of this Cover Page is based on 34,977,087 shares of Common Stock
(as defined in Item 1) outstanding as of September 6, 2018, as disclosed in the Form 8-K filed by the Issuer on September 11, 2018.

BlueMountain Montenvers Master Fund SCA SICAV-SIF
(“BMM”) is the direct owner of 373,365 shares of Common Stock, 353,634 Series C Warrants, 722,543 Series D Warrants and
4,226,733 Series E Warrants.

At all times a holder of Series C Warrants,
Series D Warrants and/or Series E Warrants, who is not a beneficial owner of 10% or more of the outstanding Common Stock, may
exercise only up to that number of Series E Warrants so that, upon exercise, the aggregate beneficial ownership of Common Stock
of such holder and all persons affiliated with such holder, is not more than 9.99% of Common Stock then outstanding (other than
in connection with a change of control of the Issuer).  

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Page 15 of 19 – SEC Filing

Explanatory Note:

This
Amendment No. 5 amends the Schedule 13D filed with the Securities Exchange Commission (the “SEC”) on August 8, 2016
(as amended by Amendment No. 1 thereto filed on December 21, 2017, as amended by Amendment No. 2 filed on December 26, 2017, as
amended by Amendment No. 3 filed on February 2, 2018, as further amended by Amendment No. 4 filed on March 14, 2018 the “Schedule
13D”), relating to the shares of Common Stock, par value $0.0001 per share (the “Common Stock”), of SAExploration
Holdings, Inc., a Delaware corporation (the “Issuer”). Unless specifically amended hereby, the disclosures set forth
in the Schedule 13D remain unchanged. Capitalized terms used and not otherwise defined herein shall have the meanings ascribed
to such terms in the Schedule 13D.

Item
3. Source and Amount of Funds or Other Consideration.

The information contained
in Item 3 of the Schedule 13D is hereby amended and supplemented by adding the information below.

On September 6, 2018, the
Issuer issued 14,073,844 shares of Common Stock and 94,813,594 Series E Warrants to purchase shares of Common Stock with terms
identical to those of the Series C Warrants (the “Series E Warrants”) in connection with a mandatory conversion of the
Series A Preferred Stock.

As a result of the mandatory
conversion, the Issuer converted all outstanding shares of the Series A Preferred Stock into shares of Common Stock and/or Series
E Warrants, upon which each holder of Series A Preferred Stock received, for each share of Series A Preferred Stock being converted,
a number of shares of Common Stock and/or a number of Series E Warrants, in aggregate equal to the conversion rate. The initial
conversion rate for the Series A Preferred Stock is 3,271.4653 shares of Common Stock, or, if a warrant election is made, 3,271.4653
Series E Warrants (with shares of Common Stock or Series E Warrants, as applicable, issued in whole integral multiples, rounded
down in lieu of any fractional shares or warrants, as applicable), per share of Series A Preferred Stock. The Funds,
elected to receive solely Series E Warrants. The Funds received an aggregate of 27,719,122 Series E Warrants.

Each Series E Warrant is
immediately exercisable by the holder for one share of Common Stock at a price equal to $0.0001. The Series E Warrants are also
exercisable at the option of the Issuer in connection with a full redemption of the Series A Preferred Stock or upon a change of
control of the Issuer. At all times a holder of Series E Warrants, who is not a beneficial owner of 10% or more of the outstanding
Common Stock, may exercise only up to that number of Series E Warrants so that, upon exercise, the aggregate beneficial ownership
of Common Stock of such holder and all persons affiliated with such holder, is not more than 9.99% of Common Stock then outstanding
(other than in connection with a change of control of the Issuer).

The foregoing summary of
the Series E Warrants does not purport to be complete and is subject to, and qualified in its entirety by, the full text of the
Series E Warrant Agreement a copy of which is incorporated by reference as Exhibit 19 in Item 7 of this Schedule 13D and is incorporated
herein by reference.

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Page 16 of 19 – SEC Filing

Item 5.  Interest in Securities of the Issuer.

The information contained
in Item 5 of the Schedule 13D is hereby amended and supplemented by adding the information below.

(a-b) All percentages set
forth in this Schedule 13D are based on the Issuer’s 34,977,087 shares of Common Stock outstanding as of September 6, 2018,
as disclosed in the Form 8-K filed by the Issuer on September 11, 2018. The information set forth in Rows 7-13 and the footnotes
of each Cover Page, as well as the information set forth in Item 3 of this Schedule 13D, are hereby incorporated herein by reference.

During the past sixty
(60) days on or prior to September 6, 2018 (the “Event Date”), and from the Event Date to the Filing Date, other
than as set forth herein, there have been no additional transactions in Issuer’s securities.

Item 7.   Material to be Filed
as Exhibits.

18. Joint Filing Agreement, dated as of December
22, 2017 (incorporated by reference to Exhibit 7 to Amendment No. 2 to Schedule 13D, filed with the Securities and Exchange Commission
on December 26, 2017).

19. Warrant Agreement for the Series E Warrants
(incorporated by reference to Exhibit 4.1 to the Current Report on Form 8-K filed by the Issuer on September 11, 2018).

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Page 17 of 19 – SEC Filing

SIGNATURE

After reasonable
inquiry and to the best knowledge and belief of the undersigned, the undersigned certifies that the information set forth in this
statement with respect to the undersigned is true, complete and correct.

Date: September 14, 2018

BLUEMOUNTAIN CAPITAL MANAGEMENT, LLC
By: /s/ ERIC M. ALBERT
Name: Eric M. Albert, Chief Compliance Officer
BLUEMOUNTAIN GP HOLDINGS, LLC
By: /s/ ERIC M. ALBERT
Name: Eric M. Albert, Chief Compliance Officer

BLUE MOUNTAIN CREDIT ALTERNATIVES MASTER FUND L.P.

BY: BLUE MOUNTAIN CA MASTER FUND GP,
LTD. 

 By:     /s/
ANDREW FELDSTEIN
 Name: Andrew Feldstein, Director
BLUE MOUNTAIN CA MASTER FUND
GP, LTD.
By:     /s/
ANDREW FELDSTEIN
Name: Andrew Feldstein, Director
BLUEMOUNTAIN LONG/SHORT CREDIT GP, LLC
BY: BLUEMOUNTAIN GP HOLDINGS, LLC
By: /s/ ERIC M. ALBERT
Name: Eric M. Albert, Chief Compliance Officer
BLUEMOUNTAIN GUADALUPE PEAK FUND L.P.
BY: BLUEMOUNTAIN LONG/SHORT CREDIT GP, LLC
BY: BLUEMOUNTAIN GP HOLDINGS, LLC
By: /s/ ERIC M. ALBERT
Name: Eric M. Albert, Chief Compliance Officer
BLUEMOUNTAIN KICKING HORSE FUND GP, LLC
BY: BLUEMOUNTAIN GP HOLDINGS, LLC
By: /s/ ERIC M. ALBERT
Name: Eric M. Albert, Chief Compliance Officer

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Page 18 of 19 – SEC Filing

BLUEMOUNTAIN KICKING HORSE FUND L.P.
BY: BLUEMOUNTAIN KICKING HORSE FUND GP, LLC
BY: BLUEMOUNTAIN GP HOLDINGS, LLC
By: /s/ ERIC M. ALBERT
Name: Eric M. Albert, Chief Compliance Officer
BLUEMOUNTAIN TIMBERLINE LTD.
By: /s/ ANDREW FELDSTEIN
Name: Andrew Feldstein, Director
BLUEMOUNTAIN SUMMIT OPPORTUNITIES GP II, LLC
BY: BLUEMOUNTAIN GP HOLDINGS, LLC
By: /s/ ERIC M. ALBERT
Name: Eric M. Albert, Chief Compliance Officer
BLUEMOUNTAIN SUMMIT TRADING L.P.
BY: BLUEMOUNTAIN SUMMIT OPPORTUNITIES GP II, LLC
BY: BLUEMOUNTAIN GP HOLDINGS, LLC
By: /s/ ERIC M. ALBERT
Name: Eric M. Albert, Chief Compliance Officer
BLUEMOUNTAIN MONTENVERS GP S.à r.l.
By: /s/ PAUL FRIEDMAN
Name: Paul Friedman, Authorized Person

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Page 19 of 19 – SEC Filing

BLUEMOUNTAIN MONTENVERS MASTER FUND SCA SICAV-SIF
BY: BLUEMOUNTAIN MONTENVERS GP S.à r.l.
By: /s/ PAUL FRIEDMAN
Name: Paul Friedman, Authorized Person

The original statement shall be signed by each
person on whose behalf the statement is filed or his authorized representative. If the statement is signed on behalf of a person
by his authorized representative (other than an executive officer or general partner of the filing person), evidence of the representative’s
authority to sign on behalf of such person shall be filed with the statement; provided, however, that a power of attorney for this
purpose which is already on file with the Commission may be incorporated by reference. The name and any title of each person who
signs the statement shall be typed or printed beneath his signature.

Attention: Intentional misstatements or omissions
of fact constitute
Federal criminal violations (See 18 U.S.C. 1001).

 

 

 

 

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