Iordanou Constantine Form 4 ARCH CAPITAL / CONSTANTINE IORDANOU 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

OMB APPROVAL

OMB Number:	3235-0287
Estimated average burden
hours per response:	0.5

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^*

IORDANOU CONSTANTINE

(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)

X	Director	10% Owner
X	Officer (give title below)	Other (specify below)
Chairman & CEO

3. Date of Earliest Transaction (Month/Day/Year)
02/10/2016

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	02/10/2016		M		119,927	A	$18.757	362,952	D
Common Shares, $.0033 par value per share	02/10/2016		F(2)		32,657(2)	D	$68.88	330,295	D
Common Shares, $.0033 par value per share	02/10/2016		M		112,240	A	$18.757	232,240	I	By 2015 GRAT
Common Shares, $.0033 par value per share	02/10/2016		F(3)		30,564(3)	D	$68.88	201,676	I	By 2015 GRAT
Common Shares, $.0033 par value per share	02/10/2016		M		217,833	A	$18.757	217,833	I	By 2010 GRAT
Common Shares, $.0033 par value per share	02/10/2016		F(4)		59,319(4)	D	$68.88	158,514	I	By 2010 GRAT
Common Shares, $.0033 par value per share								83,333	I	By Limited Liability Company
Common Shares, $.0033 par value per share								116,613	I	By Limited Liability Company
Common Shares, $.0033 par value per share								11,616	I	By child
Series C Non-Cumulative Preferred Shares (non-convertible)								6,000	D
Series C Non-Cumulative Preferred Shares (non-convertible)								1,800	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)	$18.757	02/10/2016		M			119,927	(1)	02/23/2016	Common Shares, $.0033 par value per share	119,927	$0	0	D
Stock Option (right to buy)	$18.757	02/10/2016		M			112,240	(1)	02/23/2016	Common Shares, $.0033 par value per share	112,240	$0	0	I	By 2015 GRAT
Stock Option (right to buy)	$18.757	02/10/2016		M			217,833	(1)	02/23/2016	Common Shares, $.0033 par value per share	217,833	$0	0	I	By 2010 GRAT

Explanation of Responses:

1. The stock option became exercisable in three equal annual installments with the first installment being exercisable on February 23, 2007 and the second and third installments being exercisable on February 23, 2008 and February 23, 2009.

2. On February 10, 2016, the reporting person exercised 119,927 stock options, and under the net settlement provisions of the applicable award agreement, 32,657 common shares were withheld in payment of the exercise price.

3. On February 10, 2016, the 2015 GRAT exercised 112,240 stock options, and under the net settlement provisions of the applicable award agreement, 30,564 common shares were withheld in payment of the exercise price.

4. On February 10, 2016, the 2010 GRAT exercised 217,833 stock options, and under the net settlement provisions of the applicable award agreement, 59,319 common shares were withheld in payment of the exercise price.

	/s/ Constantine Iordanou	02/12/2016
	** 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.
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 Number.