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  <TITLE> Darwin Professional Underwriters, Inc. (Form: 8-K) </TITLE>
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  		UNITED STATES<BR>
  	SECURITIES AND EXCHANGE COMMISSION
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  	WASHINGTON, D.C. 20549
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  	FORM 8-K
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  	CURRENT REPORT
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  	Pursuant to Section&nbsp;13 or 15(d) of the Securities Exchange Act of 1934
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  	Date of Report (Date of Earliest Event Reported):
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  	&nbsp;
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  	February 27, 2007
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  	Darwin Professional Underwriters, Inc.
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  <BR>__________________________________________<BR>
  	(Exact name of registrant as specified in its charter)
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  	&nbsp;
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  	Delaware
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  	001-32883
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  	03-0510450
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  _____________________<BR>
  	(State or other jurisdiction
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  _____________<BR>
  	(Commission
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  ______________<BR>
  	(I.R.S. Employer
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  	of incorporation)
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  	File Number)
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  	Identification No.)
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  	&nbsp;&nbsp;
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  	9 Farm Springs Road, Farmington, Connecticut
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  	06032
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  _________________________________<BR>
  	(Address of principal executive offices)
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  	&nbsp;
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  ___________<BR>
  	(Zip Code)
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  	Registrant&#146;s telephone number, including area code:
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  	&nbsp;
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  	860-284-1300
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  	Not Applicable
  <BR>______________________________________________<BR>
  	Former name or former address, if changed since last report
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  	&nbsp;
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  <!-- CoverPageRegistrant END --><P><FONT SIZE="2">
  Check the appropriate box below if the Form 8-K filing is intended to
  simultaneously satisfy the filing obligation of the registrant under any
  of the following provisions:</FONT>
  </P>
  <P><FONT SIZE="2">
  [&nbsp;&nbsp;]&nbsp;&nbsp;Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)<br>
  [&nbsp;&nbsp;]&nbsp;&nbsp;Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)<br>
  [&nbsp;&nbsp;]&nbsp;&nbsp;Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))<br>
  [&nbsp;&nbsp;]&nbsp;&nbsp;Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))<br>
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  <B>
  	Item 2.02 Results of Operations and Financial Condition.
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    On February 27, 2007, Darwin Professional Underwriters, Inc. (the "Company") issued a press release on the subject of its 2006 fourth quarter and 2006 fiscal year earnings.  In such press release, the Company also announced its intention to list its common stock on the New York Stock Exchange, commencing in April 2007.  A copy of such release is furnished herewith as Exhibit 99.1. The information hereunder shall not be deemed to be "filed" for the purposes of Section 18 of the Securities Exchange Act of 1934 (the "Exchange Act") or otherwise subject to the liabilities of that section, nor shall it be incorporated by reference into a filing under the Securities Act of 1933 or the Exchange Act, except as shall be expressly set forth by specific reference in such a filing. <br>
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  	Item 9.01 Financial Statements and Exhibits.
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  99.1     2006 Fourth Quarter and Annual Earnings Release, dated Februrary 27, 2007
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  	SIGNATURES
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  	Pursuant to the requirements of the Securities Exchange Act of 1934, the
  	registrant has duly caused this report to be signed on its behalf by the
  	undersigned hereunto duly authorized.
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  	Darwin Professional Underwriters, Inc.
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  	&nbsp;&nbsp;
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  <I>
  	February 28, 2007
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  	&nbsp;
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  	By:
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  <I>
  	Timothy J. Curry
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  	&nbsp;
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  <I>
  	Name: Timothy J. Curry
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  <I>
  	Title: VP & Asst. General Counsel
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  	Exhibit&nbsp;Index
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  	Exhibit No.
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  	Description
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  	99.1
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  	&nbsp;
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  2006 Fourth Quarter and Annual Earnings Release, dated February 27, 2007
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metadata_documents: [{"type": "8-K", "sequence": "1", "filename": "htm_18514.htm", "description": "LIVE FILING", "secsgml_size_bytes": 10594}]
metadata_filer: {"company-data": {"conformed-name": "Darwin Professional Underwriters Inc", "cik": "0001355795", "assigned-sic": "6331", "irs-number": "030510450", "state-of-incorporation": "DE", "fiscal-year-end": "1231"}, "filing-values": {"form-type": "8-K", "act": "34", "file-number": "001-32883", "film-number": "07655246"}, "business-address": {"street1": "9 FARM SPRINGS ROAD", "city": "FARMINGTON", "state": "CT", "zip": "06032", "phone": "860-284-1300"}, "mail-address": {"street1": "9 FARM SPRINGS ROAD", "city": "FARMINGTON", "state": "CT", "zip": "06032"}}
text: Darwin Professional Underwriters, Inc. (Form: 8-K)
  UNITED STATES
  SECURITIES AND EXCHANGE COMMISSION
  WASHINGTON, D.C. 20549
  FORM 8-K
  CURRENT REPORT
  Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934
  Date of Report (Date of Earliest Event Reported):
  February 27, 2007
  Darwin Professional Underwriters, Inc.
  __________________________________________
  (Exact name of registrant as specified in its charter)
  Delaware
  001-32883
  03-0510450
  _____________________
  (State or other jurisdiction
  _____________
  (Commission
  ______________
  (I.R.S. Employer
  of incorporation)
  File Number)
  Identification No.)
  9 Farm Springs Road, Farmington, Connecticut
  06032
  _________________________________
  (Address of principal executive offices)
  ___________
  (Zip Code)
  Registrant's telephone number, including area code:
  860-284-1300
  Not Applicable
  ______________________________________________
  Former name or former address, if changed since last report
  Check the appropriate box below if the Form 8-K filing is intended to
  simultaneously satisfy the filing obligation of the registrant under any
  of the following provisions:
  [  ]  Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)
  [  ]  Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)
  [  ]  Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))
  [  ]  Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))
  Top of the Form
  Item 2.02 Results of Operations and Financial Condition.
  On February 27, 2007, Darwin Professional Underwriters, Inc. (the "Company") issued a press release on the subject of its 2006 fourth quarter and 2006 fiscal year earnings.  In such press release, the Company also announced its intention to list its common stock on the New York Stock Exchange, commencing in April 2007.  A copy of such release is furnished herewith as Exhibit 99.1. The information hereunder shall not be deemed to be "filed" for the purposes of Section 18 of the Securities Exchange Act of 1934 (the "Exchange Act") or otherwise subject to the liabilities of that section, nor shall it be incorporated by reference into a filing under the Securities Act of 1933 or the Exchange Act, except as shall be expressly set forth by specific reference in such a filing.
  Item 9.01 Financial Statements and Exhibits.
  99.1     2006 Fourth Quarter and Annual Earnings Release, dated Februrary 27, 2007
  Top of the Form
  SIGNATURES
  Pursuant to the requirements of the Securities Exchange Act of 1934, the
  	registrant has duly caused this report to be signed on its behalf by the
  	undersigned hereunto duly authorized.
  Darwin Professional Underwriters, Inc.
  February 28, 2007
  By:
  Timothy J. Curry
  Name: Timothy J. Curry
  Title: VP & Asst. General Counsel
  Top of the Form
  Exhibit Index
  Exhibit No.
  Description
  99.1
  2006 Fourth Quarter and Annual Earnings Release, dated February 27, 2007