Sec Form 4 Filing - GRANDISSON MARC @ ARCH CAPITAL GROUP LTD. - 2015-11-09

Insider filing report for Changes in Beneficial Ownership
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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
GRANDISSON MARC
2. Issuer Name and Ticker or Trading Symbol
ARCH CAPITAL GROUP LTD. [ ACGL]
5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
_____ Director _____ 10% Owner
X __ Officer (give title below) _____ Other (specify below)
Reinsur. Group Chairman & CEO
(Last) (First) (Middle)
C/O ARCH CAPITAL GROUP LTD., WATERLOO HOUSE, 100 PITTS BAY ROAD
3. Date of Earliest Transaction (MM/DD/YY)
11/09/2015
(Street)
PEMBROKE, D0HM 08
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
Common Shares, $.0033 par value per share 11/09/2015 M 10,000 A $ 18.3467 562,151 D
Common Shares, $.0033 par value per share 11/09/2015 S 10,000 D $ 74 552,151 D
Common Shares $.0033 par value per share 11/10/2015 M 10,000 A $ 18.3467 562,151 D
Common Shares, $.0033 par value per share 11/10/2015 S 10,000 D $ 74.6 ( 1 ) 552,151 D
Common Shares, $.0033 par value per share 11/11/2015 M 5,700 A $ 18.3467 557,851 D
Common Shares, $.0033 par value per share 11/11/2015 S 5,700 D $ 74.8026 ( 2 ) 552,151 D
Common Shares, $.0033 par value per share 660 I By spouse
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 Option (right to buy) $ 18.3467 11/09/2015 M 10,000 12/31/2008 11/15/2015 Common Shares, $.0033 par value per share 10,000 $ 0 40,000 D
Stock Option (righ to buy) $ 18.3467 11/10/2015 M 10,000 12/31/2008 11/15/2015 Common Shares, $.0033 par value per share 10,000 $ 0 30,000 D
Stock Option (right to buy) $ 18.3467 11/11/2015 M 5,700 12/31/2008 11/15/2015 Common Shares, $.0033 par value per share 5,700 $ 0 24,300 D
Reporting Owners
Reporting Owner Name / Address Relationships
Director 10% Owner Officer Other
GRANDISSON MARC
C/O ARCH CAPITAL GROUP LTD.
WATERLOO HOUSE, 100 PITTS BAY ROAD
PEMBROKE, D0HM 08
Reinsur. Group Chairman & CEO
Signatures
/s/ Marc Grandisson 11/12/2015
Signature of Reporting Person Date
Explanation of Responses:
( 1 )Represents a weighted average sales price; the sales prices range from $74.50 to $74.91. Upon request the full sale information regarding the number of shares sold at each price increment will be provided to the Commission or to a security holder of the issuer.
( 2 )Represents a weighted average sales price; the sales prices range from $74.80 to $74.83. Upon request the full sale information regarding the number of shares sold at each price increment will be provided to the Commission or to a security holder of the issuer.

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).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).

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