Sec Form 4 Filing - O'Bryan John R @ American Railcar Industries, Inc. - 2018-12-05

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 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

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1. Name and Address of Reporting Person O'Bryan John R 2. Issuer Name and Ticker or Trading Symbol American Railcar Industries, Inc. [ ARII] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director _____ 10% Owner X __ Officer (give title below) _____ Other (specify below) President and CEO (Last) (First) (Middle) C/O AMERICAN RAILCAR INDUSTRIES, INC., 100 CLARK STREET 3. Date of Earliest Transaction (MM/DD/YY) 12/05/2018 (Street) ST. CHARLES, MO63301 4. If Amendment, Date Original Filed (MM/DD/YY) 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 (MM/DD/YY) 2A. Deemed Execution Date, if any (MM/DD/YY) 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

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 (MM/DD/YY) 3A. Deemed Execution Date, if any (MM/DD/YY) 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 (MM/DD/YY) 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 Stock Appreciation Right $ 35.99 12/05/2018 D( 1 ) 18,316 ( 2 ) 06/01/2024 Common Stock 18,316 ( 2 ) 0 D Stock Appreciation Right $ 38.28 12/05/2018 D( 1 ) 46,181 ( 3 ) 03/16/2025 Common Stock 46,181 ( 3 ) 0 D

Reporting Owners Reporting Owner Name / Address Relationships Director 10% Owner Officer Other O'Bryan John R C/O AMERICAN RAILCAR INDUSTRIES, INC. 100 CLARK STREET ST. CHARLES, MO63301 President and CEO Signatures /s/ John R. O'Bryan 12/06/2018 Signature of Reporting Person Date

Explanation of Responses:

( 1 )On December 5, 2018, the transactions contemplated by the Agreement and Plan of Merger (the "Merger Agreement"), dated as of October 22, 2018, by and between American Railcar Industries, Inc. ("ARI") and STL Parent Corp. were completed. Pursuant to the Merger Agreement, Merger Sub was merged with and into ARI, with ARI continuing as the surviving corporation after the merger. At the effective time of the merger, all of the stock appreciation rights held by Mr. O'Bryan were disposed of pursuant to the terms of the Merger Agreement. ( 2 )One-third of these stock appreciation rights were vested at the effective time of the merger and, pursuant to the terms of the Merger Agreement, were cancelled at the effective time in exchange for the right to receive a lump sum cash payment calculated in accordance with the terms of the Merger Agreement. The unvested portion was cancelled for no consideration or payment. ( 3 )All of these stock appreciation rights were unvested at the effective time of the merger and, pursuant to the terms of the Merger Agreement, were cancelled for no consideration or payment.

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).

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