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Filing Details

Accession Number:: 0001144204-10-065069
Form Type:: 4
Zero Holdings:: No
Publication Time:: 2010-12-06 19:49:17
Reporting Period:: 2010-12-02

Filing Date:: 2010-12-06
Accepted Time:: 2010-12-06 19:49:17
SEC Url:: Form 4 Filing

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
1251213	Ron Bentsur	C/O Keryx Biopharmaceuticals, Inc. 750 Lexington Avenue New York NY 10022	Chief Executive Officer	Yes	Yes	No	No

Reported Non-Derivative Transactions

Show Other Fields >>

Sec. Name	Acquisiton - Disposition	Date	Amount	Price	Remaning Holdings	Equity Swap Involved	Form Type	Code	Nature of Ownership	Explanation
Common Stock	Disposition	2010-12-02	205,560	$5.05	405,572	No	4	S	Direct
Common Stock	Disposition	2010-12-03	50,000	$5.01	355,572	No	4	S	Direct

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

Footnotes

Of these shares, an aggregate of 252,221 shares were purchased by Mr. Bentsur in the open market prior to and shortly following his joining Keryx.
Reflects the weighted average sale price. The range of prices for such transactions is $5.00 to $5.06. The reporting person effected multiple same-way open market sales transactions on the same day at different prices through a trade order executed by a broker-dealer. The reporting person has reported on a single line all such transactions that occurred within a one dollar price range. The reporting person hereby undertakes to provide upon request by the Securities and Exchange Commission staff, the issuer or a shareholder of the issuer, full information regarding the number of shares sold at each separate price.
Of the 405,572 shares, 250,000 are shares of restricted stock. In addition, Mr. Bentsur holds stock options to purchase up to 723,840 shares of common stock, of which 150,000 stock options are vested and exercisable.
Reflects the weighted average sale price. The range of prices for such transactions is $5.00 to $5.04. The reporting person effected multiple same-way open market sales transactions on the same day at different prices through a trade order executed by a broker-dealer. The reporting person has reported on a single line all such transactions that occurred within a one dollar price range. The reporting person hereby undertakes to provide upon request by the Securities and Exchange Commission staff, the issuer or a shareholder of the issuer, full information regarding the number of shares sold at each separate price.
Of the 355,572 shares, 250,000 are shares of restricted stock. In addition, Mr. Bentsur holds stock options to purchase up to 723,840 shares of common stock, of which 150,000 stock options are vested and exercisable.