(Mark One) 

# UNITED STATES SECURITIES AND EXCHANGE COMMISSION 

Washington, D.C. 20549 

# FORM 10-K 

ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 

# For the fiscal year ended December 31, 2012 

OR 

TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 

Common Stock, $.001 par value per share Preferred Stock Purchase Rights 

1601 Market Street, Philadelphia, PA (Address of principal executive offices) 

Title of each class 

Delaware 

(State or other jurisdiction of incorporation or organization) 

Securities registered pursuant to Section 12(b) of the Act: 

For the transition period from to 

Commission file number 1-11356 

# RADIAN GROUP INC. 

(Exact name of registrant as specified in its charter) 

(Registrant’s telephone number, including area code) 

Securities registered pursuant to Section 12(g) of the Act: None 

(215) 231-1000 

Name of each exchange on which registered 

New York Stock Exchange New York Stock Exchange 

23-2691170 

(I.R.S. Employer Identification No.) 

19103 (Zip Code) 

Indicate by check mark if the registrant is a well-known seasoned issuer , as defined in Rule 405 of the Securities Act. YES NO 

Indicate by check mark if the registrant is not required to file reports pursuant to Section 13 or Section 15(d) of the Act. YES NO 

Indicate by check mark whether the registrant (1) has filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding 12 months (or for such shorter period that the registrant was required to file such reports), and (2) has been subject to such filing requirements for the past 90 days. YES NO 

Indicate by check mark whether the registrant has submitted electronically and posted on its corporate Web site, if any, every Interactive Data File required to be submitted and posted pursuant to Rule 405 of Regulation S-T  (§ 232.405 of this chapter) during the preceding 12 months (or for such shorter period that the registrant was required to submit and post such files). YES NO 

Indicate by check mark if disclosure of delinquent filers pursuant to Item 405 of Regulation S-K is not contained herein, and will not be contained, to the best of registrant’ s knowledge, in definitive proxy or information statements incorporated by reference in Part III of this Form 10-K or any amendment to this Form 10-K. 

Indicate by check mark whether the registrant is a lar ge accelerated filer, an accelerated filer, a non-accelerated filer, or a smaller reporting company. See definitions of “large accelerated filer,” “accelerated filer,” and “smaller reporting company” in Rule 12b-2 of the Exchange Act. (Check One): 

Large accelerated filer 

Non-accelerated filer 

(Do not check if a smaller reporting company) 

Accelerated filer 

Smaller reporting company 

Indicate by check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the Exchange Act). Yes No 

As of June 30, 2012, the aggregate market value of the registrant’ s common stock held by non-affiliates of the registrant was $443,466,331 based on the closing sale price as reported on the New York Stock Exchange. Excluded from this amount is the value of all shares beneficially owned by executive of ficers and directors of the registrant. These exclusions should not be deemed to constitute a representation or acknowledgment that any such individual is, in fact, an af filiate of the registrant or that there are not other persons or entities who may be deemed to be affiliates of the registrant. 

The number of shares of common stock, $.001 par value per share, of the registrant outstanding on February 19, 2013 was 133,739,400 shares. 

Definitive Proxy Statement for the Registrant’s 2013 Annual Meeting of Stockholders 

DOCUMENTS INCORPORATED BY REFERENCE 

Form 10-K Reference Document 

Part III (Items 10 through 14) 

