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
OMB APPROVAL
OMB Number: 3235-0287
Expires: January 31, 2005
Estimated average burden hours per response... 0.5

(Print or Type Responses)
1. Name and Address of Reporting Person *
Dupont Wesley D
  2. Issuer Name and Ticker or Trading Symbol
Allied World Assurance Co Holdings, AG [AWH]
5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
_____ Director _____ 10% Owner
__X__ Officer (give title below) _____ Other (specify below)
EVP & General Counsel
(Last)
(First)
(Middle)
ALLIED WORLD ASSURANCE CO. HOLDINGS, AG, GUBELSTRASSE 24, PARK TOWER, 15TH FLOOR
3. Date of Earliest Transaction (Month/Day/Year)
07/06/2017
(Street)

ZUG, V8 6300
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 06/09/2017   G   4,224 D $ 0 201,310 D  
Common Shares 06/09/2017   G   4,224 A $ 0 13,484 (1) I By trust
Common Shares 07/06/2017   U(2)   201,310 D (3) 0 D  
Common Shares 07/06/2017   U(2)   13,484 D (3) 0 I By trust

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
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. SEC 1474 (9-02)

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
Employee Stock Options (right to buy) $ 20.5 07/06/2017   D     19,530   (4) 02/22/2021 Common Shares 19,530 (5) 0 D  
Restricted Stock Units (6) 07/06/2017   D     9,484   (6)   (6) Common Shares 9,484 (6) 0 D  
Performance-based Awards (7) 07/06/2017   D     36,936   (7)   (7) Common Shares 36,936 (7) 0 D  

Reporting Owners

Reporting Owner Name / Address Relationships
 Director  10% Owner  Officer  Other
Dupont Wesley D
ALLIED WORLD ASSURANCE CO. HOLDINGS, AG
GUBELSTRASSE 24, PARK TOWER, 15TH FLOOR
ZUG, V8 6300
      EVP & General Counsel  

Signatures

 /s/ Theodore Neos, by Power of Attorney   07/10/2017
**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 shares gifted to a charitable trust.
(2) Disposed of in an exchange offer (the "Offer") by a wholly-owned subsidiary of Fairfax Financial Holdings Limited, a Canadian corporation ("Fairfax"), to acquire all of the outstanding common shares, par value CHF 4.10 per share, of the Issuer, pursuant to the terms, and subject to the conditions, of that certain Agreement and Plan of Merger, dated as of December 18, 2016, between Fairfax and the Issuer (the "Merger Agreement").
(3) Each share of the Issuer was exchanged for (i) cash consideration of $23.00, (ii) a special cash dividend of $5.00 and (iii) 0.057937 of a share of subordinate voting stock at Fairfax (the "Merger Consideration").
(4) These stock options vested in four equal annual installments with the first installment vesting on February 22, 2012.
(5) Pursuant to the Merger Agreement, each outstanding stock option was automatically cancelled and converted into the right to receive an amount in cash equal to the excess of the Merger Consideration (with the Merger Consideration being converted into cash as of the time of completion of the Offer) over the applicable exercise price of the option.
(6) Pursuant to the Merger Agreement, outstanding Restricted Stock Units became fully vested in connection with the completion of the Offer and were automatically cancelled and converted into the right to receive an amount in cash equal to the Merger Consideration (with the Merger Consideration being converted into cash as of the time of completion of the Offer).
(7) Pursuant to the Merger Agreement, outstanding performance-based awards became fully vested based on the target specified in the applicable performance-based award in connection with the completion of the Offer and were automatically cancelled and converted into the right to receive an amount in cash equal to the Merger Consideration (with the Merger Consideration being converted into cash as of the time of completion of the Offer).

Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.

Potential persons who are to respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB number.