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, 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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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*
LEHMAN BROTHERS HOLDINGS INC

(Last) (First) (Middle)
745 SEVENTH AVENUE

(Street)
NEW YORK NY 10019

(City) (State) (Zip)
2. Issuer Name and Ticker or Trading Symbol
Flagstone Reinsurance Holdings Ltd [ FSR ]
5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
Director X 10% Owner
Officer (give title below) Other (specify below)
3. Date of Earliest Transaction (Month/Day/Year)
03/13/2008
4. If Amendment, Date of Original Filed (Month/Day/Year)
6. Individual or Joint/Group Filing (Check Applicable Line)
Form filed by One Reporting Person
X 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
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
Restricted Share Units ( 1 ) 03/13/2008 A 6,187 ( 1 ) ( 1 ) Common Shares 6,187 $0 ( 2 ) 18,260 I See footnote 3. ( 3 )
1. Name and Address of Reporting Person*
LEHMAN BROTHERS HOLDINGS INC

(Last) (First) (Middle)
745 SEVENTH AVENUE

(Street)
NEW YORK NY 10019

(City) (State) (Zip)
1. Name and Address of Reporting Person*
LEHMAN BROTHERS INC//

(Last) (First) (Middle)
745 SEVENTH AVENUE

(Street)
NEW YORK NY 10019

(City) (State) (Zip)
1. Name and Address of Reporting Person*
JAMES E DANIEL

(Last) (First) (Middle)
FLAGSTONE REINSURANCE HOLDINGS LIMITED
CRAWFORD HOUSE, 23 CHURCH STREET

(Street)
HAMILTON D0 HM 11

(City) (State) (Zip)
Explanation of Responses:
1. The Restricted Share Units ("RSUs") vest 100% on the date of the grant.
2. Each RSU represents the right to receive, without payment to the Company, one newly-issued, fully paid and non-assessable common share of the Company, subject to the terms and conditions of the RSU Plan and the grant certificate evidencing each grant. In the discretion of the Compensation Committee, upon vesting the value of the RSU grant alternatively may be paid in cash, or partly in cash and partly in common shares.
3. E. Daniel James is a director of the Company and a Managing Director of Lehman Brothers Inc. ("LBI"), a wholly-owned subsidiary of Lehman Brothers Holdings Inc. ("LBHI"). Under the terms of Mr. James' employment with LBI, LBI is the beneficial owner of the 18,260 RSUs granted to Mr. James as a director of the Company. LBHI may be deemed to be the beneficial owner of these RSUs. Mr. James disclaims beneficial ownership of these RSUs.
Remarks:
A power of attorney granted by Mr. James is attached as an exhibit to this Form. JOINT FILER INFORMATION Title of Securities: Common Shares. Issuer & Ticker Symbol: Flagstone Reinsurance Holdings Limited (FSR) Designated Filer: Lehman Brothers Holdings Inc. 745 Seventh Avenue New York, New York 10019. Other Joint Filers: Lehman Brothers Inc. 745 Seventh Avenue New York New York 10019; E. Daniel James C/O Flagstone Reinsurance Holdings Limited CRAWFORD HOUSE 23 CHURCH ST HAMILTON BERMUDA HM 11 Date of Event Requiring Statement: March 13, 2008. Signatures on behalf of other joint filers: LEHMAN BROTHERS INC. By: /s/ Karen Corrigan ------------------------------------ Karen Corrigan Senior Vice President /s/ E. Daniel James ------------------------------------ E. Daniel James
/s/ Karen Corrigan, Vice President 03/17/2008
** 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).
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