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*
LEER STEVEN F

(Last) (First) (Middle)
ONECITYPLACE DRIVE

(Street)
ST. LOUIS MO 63141

(City) (State) (Zip)
2. Issuer Name and Ticker or Trading Symbol
ARCH COAL INC [ ACI ]
5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
X Director 10% Owner
X Officer (give title below) Other (specify below)
Chairman and CEO
3. Date of Earliest Transaction (Month/Day/Year)
02/23/2012
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 02/23/2012 M (1) 218,900 A $9.08 241,320 D
Common Stock 02/23/2012 S (1) 145,933 D $13.83 95,387 D
Common Stock 02/23/2012 S (1) 72,967 D $13.84 22,420 D
Common Stock 63,797 I By 401(k) 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
Employee Stock Options $13.93 02/23/2012 A 206,700 (2) 02/23/2022 Common Stock 206,700 $0.00 206,700 D
Restricted Stock Units $13.93 02/23/2012 A 81,850 (3) (4) Common Stock 81,850 $0.00 81,850 D
Employee Stock Options $9.08 02/23/2012 M (1) 218,900 (5) 02/29/2012 Common Stock 218,900 $0.00 0 D
Explanation of Responses:
1. The transactions were made pursuant to a Rule 10b5-1 trading plan adopted by the reporting person.
2. The options vest ratably over 3 years as follows: 68,900 shares vest on February 23, 2013; 68,900 shares vest on February 23, 2014; and 68,900 shares vest on February 23, 2015.
3. On February 23, 2012, the reporting person received 81,850 restricted stock units. All of these restricted stock units vest on February 23, 2015.
4. The restricted stock units do not expire.
5. The reporting person received 218,900 stock options on February 28, 2002. The stock options vested as follows: 54,725 stock options vested on February 28, 2003; 54,725 stock options vested on February 29, 2004; 54,724 stock options vested on February 28, 2005; and 54,726 stock options vested on February 28, 2006.
Remarks:
/s/ Jon S. Ploetz, Attorney-in-Fact 02/27/2012
** 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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