SEC FORM 3

SEC Form 3

FORM 3

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES

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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1. Name and Address of Reporting Person^*

Cochran Kenneth D.

(Last)

(First)

(Middle)

ONE CITYPLACE DRIVE

SUITE 300

(Street)

ST. LOUIS

63141

(City)

(State)

(Zip)

2. Date of Event Requiring Statement (Month/Day/Year)
08/09/2012

3. Issuer Name and Ticker or Trading Symbol
ARCH COAL INC [ ACI ]

4. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

	Director	10% Owner
X	Officer (give title below)	Other (specify below)
	Sr. VP - Operations

5. 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 Beneficially Owned
1. Title of Security (Instr. 4)	2. Amount of Securities Beneficially Owned (Instr. 4)	3. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	4. Nature of Indirect Beneficial Ownership (Instr. 5)
Common Stock	17,500	D

Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 4)	2. Date Exercisable and Expiration Date (Month/Day/Year)		3. Title and Amount of Securities Underlying Derivative Security (Instr. 4)		4. Conversion or Exercise Price of Derivative Security	5. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	6. Nature of Indirect Beneficial Ownership (Instr. 5)
1. Title of Derivative Security (Instr. 4)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares	4. Conversion or Exercise Price of Derivative Security	5. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	6. Nature of Indirect Beneficial Ownership (Instr. 5)
Employee Stock Options	⁽¹⁾	02/22/2017	Common Stock	7,500	$32.99	D
Employee Stock Options	⁽²⁾	02/21/2018	Common Stock	7,850	$52.69	D
Employee Stock Options	⁽³⁾	02/19/2019	Common Stock	10,050	$14.05	D
Employee Stock Options	⁽⁴⁾	02/18/2020	Common Stock	7,600	$22.65	D
Employee Stock Options	⁽⁵⁾	02/24/2021	Common Stock	5,200	$32.49	D
Employee Stock Options	⁽⁶⁾	02/23/2022	Common Stock	21,650	$13.93	D
Restricted Stock Units	⁽⁷⁾	⁽⁸⁾	Common Stock	8,600	$13.93	D

Explanation of Responses:

1. The reporting person received 7,500 stock options on February 22, 2007. The stock options vested ratably over 3 years as follows: 2,500 shares vested on February 22, 2008; 2,500 shares vested on February 22, 2009; and 2,500 shares vested on February 22, 2010.

2. The reporting person received 7,850 stock options on February 21, 2008. The stock options vested ratably over 3 years as follows: 2,617 shares vested on February 21, 2009; 2,617 shares vested on February 21, 2010; and 2,616 shares vested on February 21, 2011.

3. The reporting person received 10,050 stock options on February 19, 2009. The stock options vest ratably over 4 years as follows: 2,513 shares vested on February 19, 2010; 2,513 shares vested on February 19, 2011; 2,512 shares vested on February 19, 2012; and 2,512 shares will vest on February 19, 2013.

4. The reporting person received 7,600 stock options on February 18, 2010. The stock options vest ratably over 4 years as follows: 1,900 shares vested on February 18, 2011; 1,900 shares vested on February 18, 2012; 1,900 shares will vest on February 18, 2013; and 1,900 shares will vest on February 18, 2014.

5. The reporting person received 5,200 stock options on February 24, 2011. The stock options vest ratably over 3 years as follows: 1,734 shares vested on February 24, 2012; 1,733 shares will vest on February 24, 2013; and 1,733 shares will vest on February 24, 2014.

6. The reporting person received 21,650 stock options on February 23, 2012. The stock options vest ratably over 3 years as follows: 7,217 shares will vest on February 23, 2013; 7,217 shares will vest on February 23, 2014; and 7,216 shares will vest on February 24, 2015.

7. The reporting person received 8,600 restricted stock units on February 23, 2012. The restricted stock units vest on February 23, 2015.

8. The resricted stock units do not expire.

Remarks:

	/s/ Jon S. Ploetz, Attorney-in-Fact	08/13/2012
	** 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 5 (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).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
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 Number.