Ownership Submission
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
OMB APPROVAL
OMB Number: 3235-0287
Expires: January 31, 2005
Estimated average burden hours per response... 0.5

(Print or Type Responses)
1. Name and Address of Reporting Person *
RENFRO LARRY C
  2. Issuer Name and Ticker or Trading Symbol
UNITEDHEALTH GROUP INC [UNH]
5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
_____ Director _____ 10% Owner
__X__ Officer (give title below) _____ Other (specify below)
Vice Chmn, UHG and CEO, Optum
(Last)
(First)
(Middle)
C/O UNITEDHEALTH GROUP, 9900 BREN ROAD EAST
3. Date of Earliest Transaction (Month/Day/Year)
02/12/2018
(Street)

MINNETONKA, MN 55343
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 02/12/2018   F   1,797 D $ 225.69 166,632.63 D  
Common Stock 02/13/2018   A   35,130 (1) A $ 0 201,762.63 D  
Common Stock 02/13/2018   F   15,616 (2) D $ 226.64 186,146.63 D  
Common Stock 02/13/2018   A   9,266 (3) A $ 0 195,412.63 (4) D  

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB control number. SEC 1474 (9-02)

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
Non-Qualified Stock Options (right to buy) $ 226.64 02/13/2018   A   49,505     (5) 02/13/2028 Common Stock 49,505 $ 0 49,505 D  

Reporting Owners

Reporting Owner Name / Address Relationships
 Director  10% Owner  Officer  Other
RENFRO LARRY C
C/O UNITEDHEALTH GROUP
9900 BREN ROAD EAST
MINNETONKA, MN 55343
      Vice Chmn, UHG and CEO, Optum  

Signatures

 Dannette L. Smith, Attorney-in-Fact for Larry C. Renfro   02/14/2018
**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) Represents the settlement of Performance Share Awards for the performance period 2015-2017.
(2) Represents the withholding of shares to satisfy tax obligations upon the settlement of Performance Share Awards for the performance period 2015-2017.
(3) The restricted stock units vest at a rate of 25% annually on February 13 from the years 2019 through 2022.
(4) Amount does not include Performance Share Awards granted to the executive officer on February 13, 2018, as performance awards not tied to stock price are not derivative securities for purposes of Section 16 under guidance from the staff of the SEC. The number of Performance Shares that the executive officer will receive will be determined at the end of the 3-year performance period and will be dependent upon the achievement of cumulative 3-year EPS and average return-on-equity performance metrics approved by the Compensation and Human Resources Committee. The target number of Performance Shares is 18,532.
(5) The stock options vest at a rate of 25% annually on February 13 from the years 2019 through 2022.

Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.

Potential persons who are to respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB number.