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Filing Details

Issuer

Cik	Name	Symbol	Sector (SIC)	IRS No
1114220	Keryx Biopharmaceuticals Inc	KERX	Pharmaceutical Preparations (2834)	134087132

Insiders

Cik	Name	Reported Address	Insider Title	Director	Officer	Large Shareholder	Other
1434718	Iii F James Oliviero	C/O Keryx Biopharmaceuticals, Inc. 750 Lexington Avenue New York NY 10022	Chief Financial Officer	No	Yes	No	No

Reported Non-Derivative Transactions

Sec. Name	Acquisiton - Disposition	Date	Amount	Price	Remaning Holdings	Equity Swap Involved	Form Type	Code	Nature of Ownership	Explanation
Common Stock	Acquisiton	2011-01-02	16,250	$0.00	237,709	No	4	A	Direct
Common Stock	Disposition	2011-01-03	14,064	$4.67	223,645	No	4	S	Direct

Equity Swap Involved	Form Type	Code	Nature of Ownership	Explanation
No	4	A	Direct
No	4	S	Direct

Reported Derivative Transactions

Sec. Name	Sec. Type	Acquisiton - Disposition	Date	Amount	Price	Amount - 2	Price - 2
Common Stock	Employee Stock Options (Right to Buy)	Acquisiton	2011-01-02	48,750	$0.00	48,750	$4.58

Remaning Holdings	Exercise Date	Expiration Date	Equity Swap Involved	Transaction Form Type	Transaction Code	Nature of Ownership
48,750	2012-01-02	2021-01-02	No	4	A	Direct

Footnotes

The 16,250 shares are restricted common stock, with one-third of the 16,250 shares vesting on January 2, 2012, and one-twelfth vesting on each of April 2, 2012, July 2, 2012, October 2, 2012, January 2, 2013, April 2, 2013, July 2, 2013, October 2, 2013, and January 2, 2014.
Of the 237,709 shares, 201,251 are shares of restricted stock.
Sale of a total of 14,064 shares of common stock was made in order to satisfy Mr. Oliviero's income tax withholding obligation upon the vesting of 36,458 shares of restricted stock. Mr. Oliviero had no discretion with respect to such sale, which was transacted automatically in accordance with the Issuer's corporate policies regarding the vesting of restricted stock.
Of the 223,645 shares, 201,251 are shares of restricted stock.
The options will vest according to the following schedule: one-third of the 48,750 shares will vest on January 2, 2012, and one-twelfth will vest on each of April 2, 2012, July 2, 2012, October 2, 2012, January 2, 2013, April 2, 2013, July 2, 2013, October 2, 2013, and January 2, 2014.