SEC Form 4
FORM 4 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
or Section 30(h) of the Investment Company Act of 1940
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Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).
1. Name and Address of Reporting Person*
PARKS S E

(Last) (First) (Middle)
180 EAST 100 SOUTH, P.O. BOX 45433

(Street)
SALT LAKE CITY UT 84145-0433

(City) (State) (Zip)
2. Issuer Name and Ticker or Trading Symbol
QUESTAR CORP [ STR ]
5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
Director 10% Owner
Officer (give title below) X Other (specify below)
Former CFO
3. Date of Earliest Transaction (Month/Day/Year)
11/11/2009
4. If Amendment, Date of 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
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 11/11/2009 M 25,000 A $7.5 252,939 D
Common Stock 11/11/2009 F 8,539 D $42.59 244,400 D
Common Stock 11/12/2009 S 16,461 D $42.0722 227,939(1) D
Common Stock 50,734.4267(2) I Employee Investment Plan
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 Securities Underlying Derivative Security (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: 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
Stock Option $7.5 11/11/2009 M 25,000 08/08/2000 02/08/2010 Common Stock 25,000 $7.5 43,200 D
Phantom Stock Units $0.00 (3) (3) Phantom Stock Units 14,044.7218 14,044.7218 D
Stock Option $14.005 08/13/2001 02/13/2011 Common Stock 80,000 80,000 D
Stock Option $11.475 08/11/2002 02/11/2012 Common Stock 90,000 90,000 D
Stock Option $13.555 08/11/2003 02/11/2013 Common Stock 96,000 96,000 D
Explanation of Responses:
1. These shares sold were disclosed by my Form 144 filed on 11/12/2009
2. As of November 12, 2009, I have 50,734.4267 equivalent shares of stock in Questar's Employee Investment Plan. The number of equivalent shares will fluctuate as Questar's stock price changes; this fluctuation does not reflect any transactions that should be reported.
3. Phantom stock units will be converted to cash per my elections on or within 5 years of my termination of employment on 6/30/2009(subject to 6-month delay if necessary to comply with IRC 409A), or upon my death or Disability.
Remarks:
Thomas C. Jepperson Attorney in Fact for S. E. Parks 11/13/2009
** Signature of Reporting Person Date
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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