Insider Trading activities of Keryx Biopharmaceuticals Inc insiders.

Monthly summaries of insider trading activities (stock purchases, sales, and option exercises) reported by insiders of Keryx Biopharmaceuticals Inc since 2005 are illustrated in Table 1 and Table 2. Table 1 shows the monthly insider trading data of Keryx Biopharmaceuticals Inc since year 2005. Table 2 shows the detailed insider transactions of Keryx Biopharmaceuticals Inc since 2005. The reporting company's ticker symbol is KERX. The reporting company's CIK number is 1114220.
The total value of stock buying since 2005 is $1,048,015.
The total value of stock sales since 2005 is $37,285,313.
The total value of stock option exercises since 2005 is $2,182,161.


Table 1. Monthly summaries of insider stock purchases, sales, and option exercises for Keryx Biopharmaceuticals Inc (KERX).
Trading Period Insider Buying Insider Sales Option Exercises
year-month Shares Value Shares Value Shares Value
2017-10 0 $0 12,151 $75,626 0 $0
2017-07 0 $0 12,467 $89,768 0 $0
2017-05 0 $0 8,445 $50,414 0 $0
2017-04 0 $0 5,071 $29,379 0 $0
2017-02 0 $0 1,611 $8,812 0 $0
2017-01 0 $0 45,192 $215,979 0 $0
2016-11 0 $0 1,559 $7,779 0 $0
2016-10 0 $0 5,118 $24,995 0 $0
2016-08 0 $0 4,866 $20,532 0 $0
2016-07 0 $0 8,831 $63,582 0 $0
2016-04 0 $0 7,663 $38,449 0 $0
2016-02 0 $0 1,938 $6,259 0 $0
2016-01 0 $0 8,587 $40,442 0 $0
2015-11 5,000 $26,628 1,638 $8,484 0 $0
2015-10 0 $0 1,011 $4,054 0 $0
2015-08 24,984 $147,349 1,683 $10,215 0 $0
2015-07 0 $0 5,787 $51,226 0 $0
2015-05 10,000 $97,300 0 $0 41,611 $110,477
2015-04 0 $0 7,790 $94,097 0 $0
2015-03 6,380 $79,941 0 $0 0 $0
2015-02 0 $0 6,759 $74,011 0 $0
2015-01 0 $0 11,178 $154,144 0 $0
2014-12 0 $0 563,977 $7,953,148 25,000 $280,500
2014-10 0 $0 73,532 $1,168,230 0 $0
2014-09 0 $0 194,237 $3,002,483 0 $0
2014-07 0 $0 3,842 $60,511 0 $0
2014-04 0 $0 3,903 $64,243 0 $0
2014-03 0 $0 292,483 $4,429,151 104,039 $343,016
2014-01 0 $0 11,566 $145,384 0 $0
2013-12 0 $0 109,500 $1,384,485 30,000 $137,700
2013-10 0 $0 3,980 $40,794 0 $0
2013-07 0 $0 3,878 $30,830 0 $0
2013-05 0 $0 29,363 $244,887 0 $0
2013-04 0 $0 3,279 $22,723 0 $0
2013-03 0 $0 31,231 $214,869 0 $0
2013-01 0 $0 16,869 $46,220 0 $0
2012-10 0 $0 5,719 $15,555 0 $0
2012-07 0 $0 5,243 $10,433 0 $0
2012-04 128,000 $182,752 5,458 $8,738 0 $0
2012-01 0 $0 10,495 $27,548 0 $0
2011-10 0 $0 6,105 $17,191 0 $0
2011-08 37,500 $115,657 0 $0 0 $0
2011-07 0 $0 4,611 $22,132 0 $0
2011-06 0 $0 47,231 $235,682 0 $0
2011-04 0 $0 4,490 $22,899 0 $0
2011-03 20,000 $86,800 28,791 $137,620 0 $0
2011-01 0 $0 14,064 $65,678 0 $0
2010-12 0 $0 410,933 $2,067,967 0 $0
2010-10 0 $0 1,209 $5,537 0 $0
2010-09 0 $0 25,000 $125,499 0 $0
2010-08 0 $0 10,000 $38,400 0 $0
2010-07 0 $0 1,213 $4,063 0 $0
2010-06 0 $0 41,497 $164,535 0 $0
2010-05 0 $0 354,719 $2,150,280 31,667 $67,767
2010-04 0 $0 794,029 $3,371,371 350,000 $455,000
2010-03 0 $0 31,089 $91,712 0 $0
2010-01 0 $0 22,981 $59,773 0 $0
2009-12 10,000 $25,419 0 $0 0 $0
2009-06 28,310 $28,470 0 $0 0 $0
2009-05 180,000 $73,100 0 $0 0 $0
2008-12 0 $0 3,000 $630 0 $0
2008-08 150,000 $60,500 0 $0 0 $0
2007-11 1,100 $9,581 0 $0 0 $0
2007-09 3,000 $30,180 0 $0 0 $0
2007-06 4,900 $52,598 0 $0 0 $0
2006-12 0 $0 174,051 $2,513,991 167,656 $221,051
2006-07 0 $0 10,000 $115,910 10,000 $13,000
2006-06 0 $0 40,000 $503,640 40,000 $52,000
2006-05 0 $0 40,000 $614,765 40,000 $52,000
2006-04 0 $0 40,000 $683,240 40,000 $52,000
2006-03 0 $0 195,000 $3,505,819 195,000 $345,650
2006-02 0 $0 40,000 $662,000 40,000 $52,000
2005-11 0 $0 11,100 $166,500 0 $0
2004-11 300 $3,750 0 $0 0 $0
2003-06 5,000 $8,750 0 $0 0 $0
2001-02 2,000 $19,240 0 $0 0 $0

Table 2. Detailed insider stock purchases, sales, and option exercises of Keryx Biopharmaceuticals Inc insiders (KERX)
  Trade Date   Insider Name Trade Type     Shares       Price ($)   Value ($)
2017-10-30 Neylan John F. (Chief Medical Officer) Sale 1,405 6.03 8,472
2017-10-30 Adams Brian (General Counsel and Secretary) Sale 1,405 6.03 8,472
2017-10-30 Madison Greg (President and CEO) Sale 4,055 6.03 24,451
2017-10-30 Holmes Scott A (Chief Financial Officer) Sale 2,582 6.03 15,569
2017-10-23 Neylan John F. (Chief Medical Officer) Sale 1,179 6.53 7,698
2017-10-05 Adams Brian (General Counsel and Secretary) Sale 630 7.19 4,529
2017-10-05 Madison Greg (President and CEO) Sale 895 7.19 6,435
2017-07-31 Neylan John F. (Chief Medical Officer) Sale 1,445 7.14 10,317
2017-07-31 Adams Brian (General Counsel and Secretary) Sale 1,445 7.14 10,317
2017-07-31 Madison Greg (President and CEO) Sale 4,131 7.14 29,495
2017-07-31 Holmes Scott A (Chief Financial Officer) Sale 1,445 7.14 10,317
2017-07-28 Holmes Scott A (Chief Financial Officer) Sale 1,236 6.96 8,602
2017-07-24 Neylan John F. (Chief Medical Officer) Sale 1,214 7.27 8,825
2017-07-05 Adams Brian (General Counsel and Secretary) Sale 641 7.67 4,916
2017-07-05 Madison Greg (President and CEO) Sale 910 7.67 6,979
2017-05-01 Neylan John F. (Chief Medical Officer) Sale 1,441 5.97 8,602
2017-05-01 Adams Brian (General Counsel and Secretary) Sale 1,441 5.97 8,602
2017-05-01 Madison Greg (President and CEO) Sale 4,122 5.97 24,608
2017-05-01 Holmes Scott A (Chief Financial Officer) Sale 1,441 5.97 8,602
2017-04-28 Holmes Scott A (Chief Financial Officer) Sale 1,219 5.89 7,179
2017-04-24 Neylan John F. (Chief Medical Officer) Sale 1,209 5.73 6,927
2017-04-17 Adams Brian (General Counsel and Secretary) Sale 1,090 5.75 6,267
2017-04-05 Adams Brian (General Counsel and Secretary) Sale 642 5.80 3,723
2017-04-05 Madison Greg (President and CEO) Sale 911 5.80 5,283
2017-02-09 Madison Greg (President and CEO) Sale 1,611 5.47 8,812
2017-01-30 Neylan John F. (Chief Medical Officer) Sale 6,984 4.65 32,475
2017-01-30 Adams Brian (General Counsel and Secretary) Sale 6,984 4.65 32,475
2017-01-30 Madison Greg (President and CEO) Sale 18,248 4.65 84,853
2017-01-30 Holmes Scott A (Chief Financial Officer) Sale 8,447 4.65 39,278
2017-01-23 Neylan John F. (Chief Medical Officer) Sale 1,428 5.39 7,696
2017-01-17 Adams Brian (VP and General Counsel) Sale 1,265 6.24 7,893
2017-01-05 Adams Brian (VP and General Counsel) Sale 759 6.16 4,675
2017-01-05 Madison Greg (President and CEO) Sale 1,077 6.16 6,634
2016-11-09 Madison Greg (President and CEO) Sale 1,559 4.99 7,779
2016-10-28 Holmes Scott A (Chief Financial Officer) Sale 1,237 4.44 5,492
2016-10-24 Neylan John F. (Chief Medical Officer) Sale 1,211 4.72 5,715
2016-10-17 Adams Brian (VP and General Counsel) Sale 1,106 4.86 5,375
2016-10-05 Adams Brian (VP and General Counsel) Sale 647 5.38 3,480
2016-10-05 Madison Greg (President and CEO) Sale 917 5.38 4,933
2016-08-09 Madison Greg (President and CEO) Sale 3,244 4.22 13,688
2016-07-29 Holmes Scott A (Chief Financial Officer) Sale 4,935 7.36 36,321
2016-07-25 Neylan John F. (Chief Medical Officer) Sale 1,217 7.43 9,042
2016-07-15 Adams Brian (VP and General Counsel) Sale 1,083 7.01 7,591
2016-07-05 Adams Brian (VP and General Counsel) Sale 660 6.66 4,395
2016-07-05 Madison Greg (President and CEO) Sale 936 6.66 6,233
2016-04-25 Neylan John F. (Chief Medical Officer) Sale 4,766 5.21 24,830
2016-04-15 Adams Brian (VP and General Counsel) Sale 1,060 5.05 5,353
2016-04-05 Adams Brian (VP and General Counsel) Sale 759 4.50 3,415
2016-04-05 Madison Greg (President and CEO) Sale 1,078 4.50 4,851
2016-02-09 Madison Greg (President and CEO) Sale 1,938 3.23 6,259
2016-01-15 Adams Brian (VP and General Counsel) Sale 1,322 3.30 4,362
2016-01-06 Adams Brian (VP and General Counsel) Sale 3,004 5.16 15,500
2016-01-06 Madison Greg (President and CEO) Sale 4,261 4.83 20,580
2015-11-09 Madison Greg (President and CEO) Sale 1,638 5.18 8,484
2015-11-04 Holmes Scott A (Chief Financial Officer) Buy 1,328 5.40 7,171
2015-11-03 Holmes Scott A (Chief Financial Officer) Buy 3,672 5.30 19,457
2015-10-15 Adams Brian (VP and General Counsel) Sale 1,011 4.01 4,054
2015-08-21 Holmes Scott A (Chief Financial Officer) Buy 5,000 5.72 28,590
2015-08-20 Madison Greg (President and CEO) Buy 9,984 5.68 56,759
2015-08-12 Neylan John F. (Chief Medical Officer) Buy 10,000 6.20 62,000
2015-08-10 Madison Greg (President and CEO) Sale 1,683 6.07 10,215
2015-07-31 Holmes Scott A (Chief Financial Officer) Sale 2,758 7.87 21,705
2015-07-15 Adams Brian (VP and General Counsel) Sale 1,086 9.99 10,849
2015-07-06 Oliviero James F Iii (Chief Financial Officer) Sale 1,943 9.61 18,672
2015-05-12 Oliviero James F Iii (Chief Financial Officer) Option Ex 41,611 2.65 110,477
2015-05-06 Tarnok Michael P. (Director) Buy 10,000 9.73 97,300
2015-04-15 Adams Brian (VP and General Counsel) Sale 4,320 12.40 53,568
2015-04-06 Oliviero James F Iii (Chief Financial Officer) Sale 1,878 11.68 21,935
2015-04-06 Bentsur Ron (Chief Executive Officer) Sale 1,592 11.68 18,594
2015-03-06 Madison Greg (President and COO) Buy 6,380 12.53 79,941
2015-02-09 Madison Greg (President and COO) Sale 6,759 10.95 74,011
2015-01-05 Oliviero James F Iii (Chief Financial Officer) Sale 5,604 13.79 77,279
2015-01-05 Bentsur Ron (Chief Executive Officer) Sale 5,574 13.79 76,865
2014-12-30 Bentsur Ron (Chief Executive Officer) Sale 200,000 14.11 2,822,000
2014-12-29 Bentsur Ron (Chief Executive Officer) Sale 87,988 13.98 1,230,072
2014-12-26 Bentsur Ron (Chief Executive Officer) Sale 63,500 13.98 887,730
2014-12-24 Bentsur Ron (Chief Executive Officer) Sale 83,000 13.98 1,160,340
2014-12-23 Bentsur Ron (Chief Executive Officer) Sale 104,489 13.98 1,460,756
2014-12-10 Oliviero James F Iii (Chief Financial Officer) Sale 25,000 15.69 392,250
2014-12-10 Oliviero James F Iii (Chief Financial Officer) Option Ex 25,000 11.22 280,500
2014-10-06 Bentsur Ron (Chief Executive Officer) Sale 68,800 15.87 1,091,856
2014-10-03 Oliviero James F Iii (Chief Financial Officer) Sale 2,694 16.14 43,481
2014-10-03 Bentsur Ron (Chief Executive Officer) Sale 2,038 16.14 32,893
2014-09-12 Bentsur Ron (Chief Executive Officer) Sale 50,000 14.24 712,000
2014-09-08 Oliviero James F Iii (Chief Financial Officer) Sale 144,237 15.88 2,290,483
2014-07-07 Oliviero James F Iii (Chief Financial Officer) Sale 2,054 15.75 32,350
2014-07-07 Bentsur Ron (Chief Executive Officer) Sale 1,788 15.75 28,161
2014-04-03 Oliviero James F Iii (Chief Financial Officer) Sale 2,087 16.46 34,352
2014-04-03 Bentsur Ron (Chief Executive Officer) Sale 1,816 16.46 29,891
2014-03-21 Oliviero James F Iii (Chief Financial Officer) Sale 13,444 15.11 203,138
2014-03-20 Oliviero James F Iii (Chief Financial Officer) Sale 125,000 15.04 1,880,000
2014-03-19 Oliviero James F Iii (Chief Financial Officer) Sale 154,039 15.23 2,346,013
2014-03-19 Oliviero James F Iii (Chief Financial Officer) Option Ex 104,039 3.30 343,016
2014-01-03 Oliviero James F Iii (Chief Financial Officer) Sale 6,309 12.57 79,304
2014-01-03 Bentsur Ron (Chief Executive Officer) Sale 5,257 12.57 66,080
2013-12-30 Oliviero James F Iii (Chief Financial Officer) Sale 79,500 12.63 1,004,085
2013-12-30 Oliviero James F Iii (Chief Financial Officer) Option Ex 30,000 4.59 137,700
2013-12-27 Oliviero James F Iii (Chief Financial Officer) Sale 30,000 12.68 380,400
2013-10-03 Oliviero James F Iii (Chief Financial Officer) Sale 1,475 10.25 15,118
2013-10-03 Bentsur Ron (Chief Executive Officer) Sale 2,505 10.25 25,676
2013-07-05 Oliviero James F Iii (Chief Financial Officer) Sale 1,438 7.95 11,432
2013-07-05 Bentsur Ron (Chief Executive Officer) Sale 2,440 7.95 19,398
2013-05-13 Oliviero James F Iii (Chief Financial Officer) Sale 29,363 8.34 244,887
2013-04-05 Oliviero James F Iii (Chief Financial Officer) Sale 1,484 6.93 10,284
2013-04-05 Bentsur Ron (Chief Executive Officer) Sale 1,795 6.93 12,439
2013-03-27 Bentsur Ron (Chief Executive Officer) Sale 31,231 6.88 214,869
2013-01-04 Oliviero James F Iii (Chief Financial Officer) Sale 10,859 2.74 29,753
2013-01-04 Bentsur Ron (Chief Executive Officer) Sale 6,010 2.74 16,467
2012-10-03 Oliviero James F Iii (Chief Financial Officer) Sale 4,973 2.72 13,526
2012-10-03 Bentsur Ron (Chief Executive Officer) Sale 746 2.72 2,029
2012-07-03 Oliviero James F Iii (Chief Financial Officer) Sale 4,559 1.99 9,072
2012-07-03 Bentsur Ron (Chief Executive Officer) Sale 684 1.99 1,361
2012-04-18 Bentsur Ron (Chief Executive Officer) Buy 19,100 1.29 24,696
2012-04-05 Oliviero James F Iii (Chief Financial Officer) Sale 5,458 1.60 8,738
2012-04-05 Tarnok Michael P. Buy 17,500 1.55 27,125
2012-04-05 Feczko Joseph M Buy 20,000 1.62 32,400
2012-04-04 Bentsur Ron (Chief Executive Officer) Buy 71,400 1.38 98,531
2012-01-03 Oliviero James F Iii (Chief Financial Officer) Sale 7,190 2.62 18,873
2012-01-03 Bentsur Ron (Chief Executive Officer) Sale 3,305 2.62 8,675
2011-10-03 Oliviero James F Iii (Chief Financial Officer) Sale 6,105 2.82 17,191
2011-08-10 Tarnok Michael P. Buy 15,000 3.10 46,500
2011-08-10 Fowler Wyche Jr Buy 5,000 3.07 15,345
2011-08-10 Feczko Joseph M Buy 10,000 3.09 30,900
2011-08-10 Bentsur Ron (Chief Executive Officer) Buy 7,500 3.06 22,912
2011-07-05 Oliviero James F Iii (Chief Financial Officer) Sale 4,611 4.80 22,132
2011-06-06 Oliviero James F Iii (Chief Financial Officer) Sale 47,231 4.99 235,682
2011-04-05 Oliviero James F Iii (Chief Financial Officer) Sale 4,490 5.10 22,899
2011-03-24 Bentsur Ron (Chief Executive Officer) Sale 28,791 4.78 137,620
2011-03-22 Feczko Joseph M (Director) Buy 20,000 4.34 86,800
2011-01-03 Oliviero James F Iii (Chief Financial Officer) Sale 14,064 4.67 65,678
2010-12-06 Oliviero James F Iii (Chief Financial Officer) Sale 3,600 5.00 18,000
2010-12-06 Kaye Jack (Director) Sale 20,000 5.00 100,000
2010-12-03 Oliviero James F Iii (Chief Financial Officer) Sale 24,150 5.06 122,198
2010-12-03 Bentsur Ron (Chief Executive Officer) Sale 50,000 5.01 250,500
2010-12-02 Oliviero James F Iii (Chief Financial Officer) Sale 107,623 5.01 539,191
2010-12-02 Bentsur Ron (Chief Executive Officer) Sale 205,560 5.05 1,038,078
2010-10-04 Oliviero James F Iii (Chief Financial Officer) Sale 1,209 4.58 5,537
2010-09-29 Kaye Jack (Director) Sale 25,000 5.02 125,499
2010-08-20 Oliviero James F Iii (Chief Financial Officer) Sale 10,000 3.84 38,400
2010-07-06 Oliviero James F Iii (Chief Financial Officer) Sale 1,213 3.35 4,063
2010-06-08 Oliviero James F Iii (Chief Financial Officer) Sale 41,497 3.96 164,535
2010-05-12 Oliviero James F Iii (Chief Financial Officer) Sale 60,000 6.26 375,600
2010-05-12 Oliviero James F Iii (Chief Financial Officer) Option Ex 31,667 2.14 67,767
2010-05-10 Weiss Michael S (10% Owner) Sale 47,719 5.94 283,450
2010-05-09 Weiss Michael S (10% Owner) Sale 50,000 6.09 304,500
2010-05-06 Weiss Michael S (10% Owner) Sale 47,000 5.59 262,730
2010-05-03 Weiss Michael S (10% Owner) Sale 150,000 6.16 924,000
2010-04-30 Weiss Michael S (10% Owner) Sale 103,000 5.53 569,590
2010-04-29 Weiss Michael S (10% Owner) Sale 144,240 4.63 667,831
2010-04-23 Weiss Michael S (10% Owner) Sale 85,690 4.41 377,892
2010-04-13 Weiss Michael S (10% Owner) Sale 20,100 4.80 96,480
2010-04-12 Weiss Michael S (10% Owner) Sale 150,000 4.12 618,000
2010-04-12 Weiss Michael S (10% Owner) Option Ex 150,000 1.30 195,000
2010-04-05 Oliviero James F Iii (Chief Financial Officer) Sale 899 3.36 3,020
2010-04-05 Weiss Michael S (10% Owner) Sale 290,100 3.58 1,038,558
2010-04-05 Weiss Michael S (10% Owner) Option Ex 200,000 1.30 260,000
2010-03-24 Bentsur Ron (Chief Executive Officer) Sale 31,089 2.95 91,712
2010-01-05 Oliviero James F Iii (Chief Financial Officer) Sale 22,981 2.60 59,773
2009-12-18 Fowler Wyche Jr (Director) Buy 10,000 2.54 25,419
2009-06-23 Oliviero James F Iii (Chief Financial Officer) Buy 2,750 .90 2,472
2009-06-23 Bentsur Ron (Chief Executive Officer) Buy 5,560 .90 4,998
2009-06-04 Fowler Wyche Jr (Director) Buy 20,000 1.05 21,000
2009-05-26 Tarnok Michael P. (Director) Buy 40,000 .46 18,400
2009-05-22 Oliviero James F Iii (Chief Financial Officer) Buy 25,000 .40 9,925
2009-05-22 Kaye Jack (Director) Buy 35,000 .43 15,015
2009-05-22 Bentsur Ron (Chief Executive Officer) Buy 80,000 .37 29,760
2008-12-19 Fowler Wyche Jr (Director) Sale 3,000 .21 630
2008-08-26 Weiss Michael S (Chief Executive Officer) Buy 50,000 .41 20,500
2008-08-22 Weiss Michael S (Chief Executive Officer) Buy 100,000 .40 40,000
2007-11-19 Tarnok Michael P. (Director) Buy 1,100 8.71 9,581
2007-09-28 Fowler Wyche Jr (Director) Buy 3,000 10.06 30,180
2007-06-19 Kaye Jack (Director) Buy 1,400 10.50 14,698
2007-06-18 Levine Beth F (General Counsel and CCO) Buy 1,000 11.00 11,000
2007-06-07 Stier Mark (Chief Accounting Officer) Buy 2,500 10.76 26,900
2006-12-29 Hoenlein Malcolm (Director) Sale 7,000 13.21 92,470
2006-12-29 Hoenlein Malcolm (Director) Option Ex 5,000 1.92 9,600
2006-12-14 Weiss Michael S (Chairman and CEO) Sale 22,887 14.21 325,109
2006-12-14 Weiss Michael S (Chairman and CEO) Option Ex 22,887 1.30 29,753
2006-12-13 Weiss Michael S (Chairman and CEO) Sale 21,337 14.36 306,420
2006-12-13 Weiss Michael S (Chairman and CEO) Option Ex 21,337 1.30 27,738
2006-12-12 Weiss Michael S (Chairman and CEO) Sale 15,000 14.43 216,510
2006-12-12 Weiss Michael S (Chairman and CEO) Option Ex 15,000 1.30 19,500
2006-12-11 Weiss Michael S (Chairman and CEO) Sale 22,895 14.52 331,467
2006-12-11 Weiss Michael S (Chairman and CEO) Option Ex 22,895 1.30 29,763
2006-12-08 Weiss Michael S (Chairman and CEO) Sale 27,102 14.61 396,014
2006-12-08 Weiss Michael S (Chairman and CEO) Option Ex 27,102 1.30 35,232
2006-12-07 Weiss Michael S (Chairman and CEO) Sale 53,435 14.63 781,914
2006-12-07 Weiss Michael S (Chairman and CEO) Option Ex 53,435 1.30 69,465
2006-07-18 Weiss Michael S (Chairman and CEO) Sale 10,000 11.59 115,910
2006-07-18 Weiss Michael S (Chairman and CEO) Option Ex 10,000 1.30 13,000
2006-06-20 Weiss Michael S (Chairman and CEO) Sale 40,000 12.59 503,640
2006-06-20 Weiss Michael S (Chairman and CEO) Option Ex 40,000 1.30 52,000
2006-05-17 Weiss Michael S (Chairman and CEO) Sale 15,000 14.98 224,640
2006-05-16 Weiss Michael S (Chairman and CEO) Sale 25,000 15.61 390,125
2006-05-16 Weiss Michael S (Chairman and CEO) Option Ex 40,000 1.30 52,000
2006-04-18 Weiss Michael S (Chariman and CEO) Sale 40,000 17.08 683,240
2006-04-18 Weiss Michael S (Chariman and CEO) Option Ex 40,000 1.30 52,000
2006-03-29 Bentsur Ron (Chief Accounting Officer) Sale 35,000 18.84 659,260
2006-03-29 Bentsur Ron (Chief Accounting Officer) Option Ex 35,000 1.10 38,500
2006-03-21 Weiss Michael S (Chairman and CEO) Sale 80,000 18.32 1,466,000
2006-03-21 Weiss Michael S (Chairman and CEO) Option Ex 80,000 1.30 104,000
2006-03-14 Rose Eric A Md (Director) Sale 5,000 18.11 90,559
2006-03-14 Rose Eric A Md (Director) Option Ex 5,000 11.83 59,150
2006-03-08 Kessel Larry (Director) Sale 75,000 17.20 1,290,000
2006-03-08 Kessel Larry (Director) Option Ex 75,000 1.92 144,000
2006-02-21 Weiss Michael S (Chairman and CEO) Sale 40,000 16.55 662,000
2006-02-21 Weiss Michael S (Chairman and CEO) Option Ex 40,000 1.30 52,000
2005-11-21 Salomon Peter (Director) Sale 11,100 15.00 166,500
2004-11-18 Salomon Peter (Director) Buy 300 12.50 3,750
2003-06-04 Weiss Michael S (Chief Executive Officer) Buy 5,000 1.75 8,750
2001-02-02 Hoenlein Malcolm (Director) Buy 2,000 9.62 19,240

Insider trading activities including stock purchases, stock sales, and option exercises of KERX listed in the above tables cannot be completely guaranteed as to their accuracy. For more insider trading information of Keryx Biopharmaceuticals Inc (symbol KERX, CIK number 1114220) see the Securities and Exchange Commission (SEC) website.