Marc Grandisson Form 4 ARCH CAPITAL / MARC GRANDISSON ownership change

SEC Form 4

FORM 4

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
or Section 30(h) of the Investment Company Act of 1940

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Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

1. Name and Address of Reporting Person^*

GRANDISSON MARC

(Last) (First) (Middle)

C/O ARCH CAPITAL GROUP LTD.

WATERLOO HOUSE, 100 PITTS BAY ROAD

(Street)

PEMBROKE D0 HM 08

(City) (State) (Zip)

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

3. Date of Earliest Transaction (Month/Day/Year)
11/09/2015

4. If Amendment, Date of 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

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, $.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 (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 Securities Underlying Derivative Security (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: 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

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.

	/s/ Marc Grandisson	11/12/2015
	** 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 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).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
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