Insider Trading activities of Sirtris Pharmaceuticals, Inc. insiders.

Monthly summaries of insider trading activities (stock purchases, sales, and option exercises) reported by insiders of Sirtris Pharmaceuticals, Inc. since 2005 are illustrated in Table 1 and Table 2. Table 1 shows the monthly insider trading data of Sirtris Pharmaceuticals, Inc. since year 2005. Table 2 shows the detailed insider transactions of Sirtris Pharmaceuticals, Inc. since 2005. The reporting company's ticker symbol is SIRT. The reporting company's CIK number is 1388775.
The total value of stock buying since 2005 is $0.
The total value of stock sales since 2005 is $2,457,665.
The total value of stock option exercises since 2005 is $228,395.


Table 1. Monthly summaries of insider stock purchases, sales, and option exercises for Sirtris Pharmaceuticals, Inc. (SIRT).
Trading Period Insider Buying Insider Sales Option Exercises
year-month Shares Value Shares Value Shares Value
2008-05 0 $0 0 $0 292,271 $217,146
2008-04 0 $0 22,129 $293,152 0 $0
2008-03 0 $0 15,500 $178,852 0 $0
2008-02 0 $0 6,547 $80,541 0 $0
2008-01 0 $0 129,075 $1,709,512 0 $0
2007-11 0 $0 11,503 $195,608 26,785 $11,249

Table 2. Detailed insider stock purchases, sales, and option exercises of Sirtris Pharmaceuticals, Inc. insiders (SIRT)
  Trade Date   Insider Name Trade Type     Shares       Price ($)   Value ($)
2008-05-29 Westphal Christoph H (President and CEO) Option Ex 181,796 .76 138,164
2008-05-28 Brannelly Paul (VP Finance, Treasurer) Option Ex 14,643 .42 6,150
2008-05-27 Elliott Peter (Senior VP, Head of Development) Option Ex 95,832 .76 72,832
2008-04-11 Sinclair David Sale 10,100 13.28 133,378
2008-04-10 Sinclair David Sale 9,900 13.25 131,214
2008-03-05 Westphal Christoph H (President and CEO) Sale 6,810 11.55 78,648
2008-03-04 Westphal Christoph H (President and CEO) Sale 8,690 11.53 100,204
2008-02-06 Brannelly Paul (VP Finance, Treasurer) Sale 6,547 12.30 80,541
2008-01-24 Brannelly Paul (VP Finance, Treasurer) Sale 13,096 12.81 167,772
2008-01-22 Jirousek Michael (Senior VP, Research) Sale 20,000 12.57 249,646
2008-01-10 Sinclair David Sale 10,000 13.81 138,110
2008-01-08 Westphal Christoph H (President and CEO) Sale 40,000 13.93 557,225
2007-11-30 Schimmel Paul Sale 11,503 17.00 195,608
2007-11-30 Schimmel Paul Option Ex 26,785 .42 11,249

Insider trading activities including stock purchases, stock sales, and option exercises of SIRT listed in the above tables cannot be completely guaranteed as to their accuracy. For more insider trading information of Sirtris Pharmaceuticals, Inc. (symbol SIRT, CIK number 1388775) see the Securities and Exchange Commission (SEC) website.