Ownership Submission
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 OF SECURITIES

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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(Print or Type Responses)
1. Name and Address of Reporting Person *
Mercurio Anthony J
  2. Issuer Name and Ticker or Trading Symbol
National Interstate CORP [NATL]
5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
_____ Director _____ 10% Owner
__X__ Officer (give title below) _____ Other (specify below)
President & CEO
(Last)
(First)
(Middle)
3250 INTERSTATE DRIVE
3. Date of Earliest Transaction (Month/Day/Year)
11/10/2016
(Street)

RICHFIELD, OH 44286
4. If Amendment, Date 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
(City)
(State)
(Zip)
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 Shares ($0.01 par value) 11/10/2016   D   8,369 (1) D $ 32 0 D  
Common Shares ($.01 par value) 11/10/2016   D   26,171 (2) D $ 32 0 D  

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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 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

Reporting Owners

Reporting Owner Name / Address Relationships
 Director  10% Owner  Officer  Other
Mercurio Anthony J
3250 INTERSTATE DRIVE
RICHFIELD, OH 44286
      President & CEO  

Signatures

 /s/Anthony J. Mercurio   11/14/2016
**Signature of Reporting Person Date

Explanation of Responses:

* 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).
(1) Represents Restricted Shares. Disposed of pursuant to the Agreement and Plan of Merger, dated as of July 25, 2016, by and among Great American Insurance Company, GAIC Alloy, Inc., and National Interstate Corporation (the "Company"), as amended by Amendment No. 1, dated as of August 15, 2016 (the "Agreement and Plan of Merger"). Pursuant to the Agreement and Plan of Merger, effective as of November 10, 2016, these shares, whether vested or unvested, were automatically cancelled and converted into the the right to receive $32.00 per share in cash, less any required withholding taxes. In addition, the Company declared a special cash dividend of $0.50 per common share payable to shareholders of record immediately prior to the effective time of the merger.
(2) Disposed of pursuant to the Agreement and Plan of Merger. Pursuant to the Agreement and Plan of Merger, effective as of November 10, 2016, the Company's common shares were automatically cancelled and converted into the the right to receive $32.00 per share in cash. In addition, the Company declared a special cash dividend of $0.50 per common share payable to shareholders of record immediately prior to the effective time of the merger.

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