Edgar Filing: BUNCE JOHN L JR

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 ^*

BUNCE JOHN L JR

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
_____ Officer (give title below)	_____ Other (specify below)

(Last)

(First)

(Middle)

HELLMAN & FRIEDMAN LLC, ONE MARITIME PLAZA 12TH FLOOR

3. Date of Earliest Transaction (Month/Day/Year)
06/14/2007

(Street)

SAN FRANCISCO, CA 94111

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)
1.Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	Code	V	Amount	(A) or (D)	Price		6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
Common Shares, $.01 par value per share	06/14/2007		M⁽⁴⁾		300	A	$ 23.76	229,808	D
Common Shares, $.01 par value per share	06/14/2007		M⁽⁴⁾		1,500	A	$ 26.095	231,308	D
Common Shares, $.01 par value per share	06/14/2007		M⁽⁴⁾		1,500	A	$ 30.665	232,808	D
Common Shares, $.01 par value per share	06/14/2007		J⁽⁴⁾		100	D	$ 71.7	232,708	D
Common Shares, $.01 par value per share	06/14/2007		J⁽⁴⁾		300	D	$ 71.71	232,408	D
Common Shares, $.01 par value per share	06/14/2007		J⁽⁴⁾		500	D	$ 71.74	231,908	D
Common Shares, $.01 par value per share	06/14/2007		J⁽⁴⁾		500	D	$ 71.75	231,408	D
Common Shares, $.01 par value per share	06/14/2007		J⁽⁴⁾		300	D	$ 71.77	231,108	D
Common Shares, $.01 par value per share	06/14/2007		J⁽⁴⁾		700	D	$ 71.78	230,408	D
Common Shares, $.01 par value per share	06/14/2007		J⁽⁴⁾		300	D	$ 71.79	230,108	D
Common Shares, $.01 par value per share	06/14/2007		J⁽⁴⁾		100	D	$ 71.83	230,008	D
Common Shares, $.01 par value per share	06/14/2007		J⁽⁴⁾		100	D	$ 71.84	229,908	D
Common Shares, $.01 par value per share	06/14/2007		J⁽⁴⁾		487	D	$ 71.85	229,421	D
Common Shares, $.01 par value per share	06/14/2007		J⁽⁴⁾		194	D	$ 71.86	229,227	D

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
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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

(A)

(D)

Date Exercisable

Expiration Date

Title

Amount or Number of Shares

Stock Option (right to buy)

$ 23.76

06/14/2007

M⁽⁴⁾

300

⁽¹⁾

11/20/2011

Common Shares, $.01 par value per share

300

⁽¹⁾

Stock Option (right to buy)

$ 26.095

06/14/2007

M⁽⁴⁾

1,500

⁽²⁾

01/01/2012

Common Shares, $.01 par value per share

1,500

⁽²⁾

Stock Option (right to buy)

$ 30.665

06/14/2007

M⁽⁴⁾

1,500

⁽³⁾

01/01/2013

Common Shares, $.01 par value per share

1,500

⁽³⁾

Reporting Owners

Reporting Owner Name / Address	Relationships
Reporting Owner Name / Address	Director	10% Owner	Officer	Other
BUNCE JOHN L JR HELLMAN & FRIEDMAN LLC ONE MARITIME PLAZA 12TH FLOOR SAN FRANCISCO, CA 94111	X

Signatures

/s/ John L. Bunce, Jr.		06/18/2007
^**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 a non-employee director stock option that became exercisable in three equal annual installments, with the first installment exercisable on November 20, 2001 and the second and third installments on November 20, 2002 and November 20, 2003.
(2)	Represents a non-employee director stock option that became exercisable on January 1, 2003.
(3)	Represents a non-employee director stock option that became exercisable January 1, 2004.
(4)	On June 14, 2007, at the direction of H&F Investors IV (Bermuda), Ltd. ("H&F Investors"), Mr. Bunce exercised 3,300 options held for the benefit of funds controlled by H&F Investors and sold all of the shares he held for the benefit of such funds. Mr. Bunce disclaims beneficial ownership of such securities except to the extent of his pecuniary interest therein.

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