Sec Form 4 Filing - Slusky Alexander R @ TANGOE INC - 2015-09-09

FORM 4 Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940

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1. Name and Address of Reporting Person Slusky Alexander R 2. Issuer Name and Ticker or Trading Symbol TANGOE INC [ TNGO] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director X __ 10% Owner _____ Officer (give title below) _____ Other (specify below) (Last) (First) (Middle) C/O VECTOR CAPITAL MANAGEMENT, L.P., ONE MARKET STREET, STEUART TOWER, 23RD F 3. Date of Earliest Transaction (MM/DD/YY) 09/09/2015 (Street) SAN FRANCISCO, CA94105 4. If Amendment, Date Original Filed (MM/DD/YY) 6. Individual or Joint/Group Filing (Check Applicable Line) _____ Form filed by One Reporting Person __ X __ Form filed by More than One Reporting Person (City) (State) (Zip)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned 1.Title of Security (Instr. 3) 2. Transaction Date (MM/DD/YY) 2A. Deemed Execution Date, if any (MM/DD/YY) 3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4) Code V Amount (A) or (D) Price Common Stock 09/09/2015 P 51,693 A $ 7.762 51,693 I See Footnotes ( 1 ) ( 3 ) ( 4 ) Common Stock 09/09/2015 P 628 A $ 7.762 52,321 I See Footnotes ( 2 ) ( 3 ) ( 4 ) Common Stock 09/10/2015 P 71,813 A $ 7.7258 124,134 I See Footnotes ( 1 ) ( 3 ) ( 4 ) Common Stock 09/10/2015 P 872 A $ 7.7258 125,006 I See Footnotes ( 2 ) ( 3 ) ( 4 ) Common Stock 09/11/2015 P 55,123 A $ 7.7013 180,129 I See Footnotes ( 1 ) ( 3 ) ( 4 ) Common Stock 09/11/2015 P 670 A $ 7.7013 180,799 I See Footnotes ( 2 ) ( 3 ) ( 4 ) Common Stock 09/14/2015 P 41,892 A $ 7.7962 222,691 I See Footnotes ( 1 ) ( 3 ) ( 4 ) Common Stock 09/14/2015 P 509 A $ 7.7962 223,200 I See Footnotes ( 2 ) ( 3 ) ( 4 ) Common Stock 09/15/2015 P 149,419 A $ 7.7957 372,619 I See Footnotes ( 1 ) ( 3 ) ( 4 ) Common Stock 09/15/2015 P 1,815 A $ 7.7957 374,434 I See Footnotes ( 2 ) ( 3 ) ( 4 ) Common Stock 09/17/2015 P 14,457 A $ 7.8 388,891 I See Footnotes ( 1 ) ( 3 ) ( 4 ) Common Stock 09/17/2015 P 176 A $ 7.8 389,067 I See Footnotes ( 2 ) ( 3 ) ( 4 ) Common Stock 09/18/2015 P 236,685 A $ 7.798 625,752 I See Footnotes ( 1 ) ( 3 ) ( 4 ) Common Stock 09/18/2015 P 2,875 A $ 7.798 628,627 I See Footnotes ( 2 ) ( 3 ) ( 4 ) Common Stock 09/21/2015 P 136,179 A $ 7.77 764,806 I See Footnotes ( 1 ) ( 3 ) ( 4 ) Common Stock 09/21/2015 P 1,654 A $ 7.77 766,460 I See Footnotes ( 2 ) ( 3 ) ( 4 ) Common Stock 09/22/2015 P 103,244 A $ 7.7472 869,704 I See Footnotes ( 1 ) ( 3 ) ( 4 ) Common Stock 09/22/2015 P 1,254 A $ 7.7472 870,958 I See Footnotes ( 2 ) ( 3 ) ( 4 ) Common Stock 09/23/2015 P 98,899 A $ 7.7518 969,857 I See Footnotes ( 1 ) ( 3 ) ( 4 ) Common Stock 09/23/2015 P 1,201 A $ 7.7518 971,058 I See Footnotes ( 2 ) ( 3 ) ( 4 ) Common Stock 09/24/2015 P 89,919 A $ 7.5873 1,060,977 I See Footnotes ( 1 ) ( 3 ) ( 4 ) Common Stock 09/24/2015 P 1,092 A $ 7.5873 1,062,069 I See Footnotes ( 2 ) ( 3 ) ( 4 ) Common Stock 09/25/2015 P 98,800 A $ 7.562 1,160,869 I See Footnotes ( 1 ) ( 3 ) ( 4 ) Common Stock 09/25/2015 P 1,200 A $ 7.562 1,162,069 I See Footnotes ( 2 ) ( 3 ) ( 4 ) Common Stock 09/28/2015 P 6,394 A $ 7.1918 1,168,463 I See Footnotes ( 1 ) ( 3 ) ( 4 ) Common Stock 09/28/2015 P 78 A $ 7.1918 1,168,541 I See Footnotes ( 2 ) ( 3 ) ( 4 ) Common Stock 09/29/2015 P 58,424 A $ 7.1728 1,226,965 I See Footnotes ( 1 ) ( 3 ) ( 4 ) Common Stock 09/29/2015 P 710 A $ 7.1728 1,227,675 I See Footnotes ( 2 ) ( 3 ) ( 4 ) Common Stock 09/30/2015 P 49,400 A $ 7.1969 1,277,075 I See Footnotes ( 1 ) ( 3 ) ( 4 ) Common Stock 09/30/2015 P 600 A $ 7.1969 1,277,675 I See Footnotes ( 2 ) ( 3 ) ( 4 )

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned ( e.g. , puts, calls, warrants, options, convertible securities) 1. Title of Derivative Security (Instr. 3) 2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (MM/DD/YY) 3A. Deemed Execution Date, if any (MM/DD/YY) 4. Transaction Code (Instr. 8) 5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4, and 5) 6. Date Exercisable and Expiration Date (MM/DD/YY) 7. Title and Amount of Underlying Securities (Instr. 3 and 4) 8. Price of Derivative Security (Instr. 5) 9. Number of Derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4) 10. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 4) 11. Nature of Indirect Beneficial Ownership (Instr. 4) Code V (A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares

Reporting Owners Reporting Owner Name / Address Relationships Director 10% Owner Officer Other Slusky Alexander R C/O VECTOR CAPITAL MANAGEMENT, L.P. ONE MARKET STREET, STEUART TOWER, 23RD F SAN FRANCISCO, CA94105 X Vector Capital IV, L.P. C/O VECTOR CAPITAL MANAGEMENT, L.P. ONE MARKET STREET, STEUART TOWER, 23RD F SAN FRANCISCO, CA94105 X Signatures VECTOR CAPITAL IV, L.P., By: VECTOR CAPITAL PARTNERS IV, L.P., its general partner, By: VECTOR CAPITAL, L.L.C., its general partner, By: /s/ David Baylor, Name: David Baylor, Title: Chief Operating Officer 11/17/2015 Signature of Reporting Person Date ALEXANDER R. SLUSKY, /s/ Alexander R. Slusky 11/17/2015 Signature of Reporting Person Date

Explanation of Responses:

( 1 )Directly owned by Vector Capital IV, L.P. ("VC IV"). ( 2 )Directly owned by Vector Entrepreneur Fund III, L.P. ("VEF III"). ( 3 )Vector Capital Partners IV, L.P. ("VCP IV") is the sole General Partner of VC IV. Vector Capital Partners III, L.P. ("VCP III") is the sole General Partner of VEF III. Vector Capital, L.L.C. ("VC", and together with VC IV, VCP IV, VEF III and VCP III, "Vector") is a General Partner of both VCP III and VCP IV. The principal employment of Mr. Slusky is the Managing Director and Chief Investment Officer of Vector Capital Management, L.P., a Delaware limited partnership, which is principally engaged in the business of managing a portfolio of funds, including Vector. Mr. Slusky disclaims beneficial ownership of securities held by any other entity except to the extent of any indirect pecuniary interest (within the meaning of Rule 16a-1 of the Exchange Act). ( 4 )CIK and CCC codes are in the process of being obtained for Vector Entrepreneur Fund III, L.P., Vector Capital Partners IV, L.P., Vector Capital Partners III, L.P., and Vector Capital, L.L.C. Amendments to this Form 4 adding those entities as Reporting Parties will be filed once such CIK and CCC codes are obtained.

Remarks: Form 1 of 2See Exhibit 99.1 Joint Filer Information.

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.

* If the form is filed by more than one reporting person, see Instruction 4(b)(v).

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