Sec Form 4 Filing - THORNTON JOHN D @ Upland Software, Inc. - 2017-11-16

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 THORNTON JOHN D 2. Issuer Name and Ticker or Trading Symbol Upland Software, Inc. [ UPLD] 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) 300 W. SIXTH STREET, STE. 2300 3. Date of Earliest Transaction (MM/DD/YY) 11/16/2017 (Street) AUSTIN, TX78701 4. If Amendment, Date Original Filed (MM/DD/YY) 6. Individual or Joint/Group Filing (Check Applicable Line) __ X __ Form filed by One Reporting Person _____ 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 11/16/2017 J( 1 ) 873,034 D $ 0 0 I By Austin Ventures IX, L.P. ( 2 ) Common Stock 11/16/2017 J( 3 ) 1,309,550 D $ 0 0 I By Austin Ventures X, L.P. ( 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 THORNTON JOHN D 300 W. SIXTH STREET, STE. 2300 AUSTIN, TX78701 X Signatures /s/ Kevin Kunz, Attorney-in-Fact 11/17/2017 Signature of Reporting Person Date

Explanation of Responses:

( 1 )Austin Ventures IX, L.P. ("AV IX") made a pro rata distribution to its partners of 873,034 shares of common stock of the issuer for no consideration on November 16, 2017. ( 2 )Shares held directly by AV IX. AV Partners IX, L.P. ("AVP IX LP"), the general partner of AV IX, and AV Partners IX, L.L.C. ("AVP IX LLC"), the general partner AVP IX LP, may each be deemed to have sole voting and dispositive powers over the shares held by AV IX. Joseph C. Aragona, Kenneth P. DeAngelis, Christopher A. Pacitti, Philip S. Siegel, and John D. Thornton are members of or are associated with AVP IX LLC and may be deemed to share voting and dispositive power over the shares held by AV IX. Such persons and entities disclaim beneficial ownership of shares held by AV IX, except to the extent of any pecuniary interest therein. ( 3 )Austin Ventures X, L.P. ("AV X") made a pro rata distribution to its partners of 1,309,550 shares of common stock of the issuer for no consideration on November 16, 2017. ( 4 )Shares held directly by AV X. AV Partners X, L.P. ("AVP X LP"), the general partner of AV X, and AV Partners X, L.L.C. ("AVP X LLC"), the general partner AVP X LP, may each be deemed to have sole voting and dispositive powers over the shares held by AV X. Joseph C. Aragona, Kenneth P. DeAngelis, Christopher A. Pacitti, Philip S. Siegel, and John D. Thornton are members of or are associated with AVP X LLC and may be deemed to share voting and dispositive power over the shares held by AV X. Such persons and entities disclaim beneficial ownership of shares held by AV X, except to the extent of any pecuniary interest therein.

Remarks: This report is one of three reports, each on a separate Form 4 but relating to the same transactions.

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).

** Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).

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