Initial Statement of Beneficial Ownership (3)

FORM 3	UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES	OMB APPROVAL OMB Number: 3235-0104 Estimated average burden hours per response... 0.5
	Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934 or Section 30(h) of the Investment Company Act of 1940

1. Name and Address of Reporting Person ^*

Unger Steven J

2. Date of Event Requiring Statement (MM/DD/YYYY) 8/1/2018

3. Issuer Name and Ticker or Trading Symbol

American Railcar Industries, Inc. [ARII]

(Last) (First) (Middle)

C/O AMERICAN RAILCAR INDUSTRIES, INC., 100 CLARK STREET

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

_____ Director _____ 10% Owner
___ X ___ Officer (give title below) _____ Other (specify below)
SVP & CCO /

(Street)

ST. CHARLES, MO 63301

(City) (State) (Zip)

5. If Amendment, Date Original Filed (MM/DD/YYYY)

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)

*Table II - Derivative Securities Beneficially Owned ( e.g.* , puts, calls, warrants, options, convertible securities)**
1. Title of Derivate Security (Instr. 4)	2. Date Exercisable and Expiration Date (MM/DD/YYYY)		3. Title and Amount of Securities Underlying Derivative Security (Instr. 4)		4. Conversion or Exercise Price of Derivative Security	5. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 5)	6. Nature of Indirect Beneficial Ownership (Instr. 5)
1. Title of Derivate Security (Instr. 4)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares	4. Conversion or Exercise Price of Derivative Security		6. Nature of Indirect Beneficial Ownership (Instr. 5)
Stock Appreciation Right	⁽¹⁾	6/1/2024	Common Stock	13815	$35.99	D
Stock Appreciation Right	⁽²⁾	3/16/2025	Common Stock	13546	$38.28	D

Explanation of Responses:
(1)	The SARs were granted on June 1, 2017. One third of the SARs vested on June 1, 2018. The remaining portion of unvested SARs vest in equal increments on June 1, 2019 and June 1, 2020 but only if the holder remains employed by the Issuer through each applicable vesting date.
(2)	The SARs were granted on March 16, 2018 and vest in equal increments on March 16, 2019, 2020 and 2021 but only if the holder remains employed by the Issuer through each applicable vesting date.

Reporting Owners
Reporting Owner Name / Address	Relationships
Reporting Owner Name / Address	Director	10% Owner	Officer	Other
Unger Steven J C/O AMERICAN RAILCAR INDUSTRIES, INC. 100 CLARK STREET ST. CHARLES, MO 63301			SVP & CCO

Signatures
/s/ Steven J. Unger		8/10/2018
^** 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 control number.