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 OF SECURITIES 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 * ALTABEF PETER   2. Issuer Name and Ticker or Trading Symbol UNISYS CORP [UIS] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) __X__ Director _____ 10% Owner __X__ Officer (give title below) _____ Other (specify below) President and CEO (Last) (First) (Middle) C/O UNISYS CORPORATION, 801 LAKEVIEW DRIVE 3. Date of Earliest Transaction (Month/Day/Year) 02/10/2017 (Street) BLUE BELL, PA 19422 4. If Amendment, Date Original Filed(Month/Day/Year) 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 (Month/Day/Year) 2A. Deemed Execution Date, if any (Month/Day/Year) 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 02/10/2017   M   45,564 A $ 0 98,225 D   Common Stock 02/10/2017   M   47,511 A $ 0 145,736 D   Common Stock 02/10/2017   F   18,984 D $ 14.15 126,752 D   Common Stock 02/10/2017   F   19,930 D $ 14.15 106,822 D

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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 (Month/Day/Year)

3A. Deemed Execution Date, if any (Month/Day/Year)

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 (Month/Day/Year)

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

Restricted Stock Units

(1)

02/10/2017

M

47,511

(2)

(2)

Common Stock

45,564

$ 0

0

D

Restricted Stock Units

(3)

02/10/2017

M

47,511

(4)

(4)

Common Stock

47,511

$ 0

95,019

D

Reporting Owners

Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
ALTABEF PETER C/O UNISYS CORPORATION 801 LAKEVIEW DRIVE BLUE BELL, PA 19422	X		President and CEO

Signatures

John M. Ambruster, attorney-in-fact for Peter Altabef		02/14/2017
**Signature of Reporting Person		Date

Explanation of Responses:

*	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).
(1)	Each restricted stock unit represents a contingent right to receive 0.959 shares of Unisys Corporation common stock.
(2)	Performance-based restricted stock units ("PB-RSUs") granted on February 11, 2016 under the Unisys Corporation 2010 Long-Term Incentive and Equity Compensation Plan. The PB-RSUs are earned one-third annually over a three-year period to the extent Unisys Corporation achieves a performance goal relating to operation profit for that year in each of 2016, 2017, and 2018, respectively, and then such earned PB-RSUs vest on February 11, 2017, 2018 and 2019. This report only relates to the PB-RSUs the reporting person earned based on the 2016 performance goal. All shares resulting from such earned PB-RSUs vested on February 11, 2017.
(3)	Each restricted stock unit represents a contingent right to receive one share of Unisys Corporation common stock.
(4)	Time-based restricted stock units granted under the terms of the Unisys Corporation 2010 Long-Term Incentive and Equity Compensation Plan. The restricted stock units vest in three equal installments beginning February 11, 2017.

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