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Insider Trading: Alnylam Pharmaceuticals, Inc.

Monthly summaries of insider trading activities (stock purchases, sales, and option exercises) reported by insiders of Alnylam Pharmaceuticals, Inc. in the last 24 months are illustrated in figures 1 and 2. Table 1 shows the monthly insider trading data of Alnylam Pharmaceuticals, Inc. since year 2005. Table 2 shows the detailed insider transactions of Alnylam Pharmaceuticals, Inc. since 2005. The reporting company's ticker symbol is ALNY. The reporting company's CIK number is 1178670.
1 year chart,   5 day chart,   1 day chart.

The total value of stock buying since 2005 is $7,492,347. The total value of stock sales is $25,035,510. The total value of stock exercises is $309,873.


Figure 1. Monthly insider transaction values at Alnylam Pharmaceuticals, Inc. (ALNY) in the past 24 months. The trade values of insider stock buys, sales, and option exercises are in logarithmic scale as shown on the right axis labels. The detailed monthly and daily insider transactions are listed in the 2 tables below.

  • 08

  • 09

  • 10

  • 11

  • 12

  • 01 2007

  • 02

  • 03

  • 04

  • 05

  • 06

  • 07

  • 08

  • 09

  • 10

  • 11

  • 12

  • 01 2008

  • 02

  • 03

  • 04

  • 05

  • 06

  • 07

  • $5,409k

    $540k

    $54k

    $5k

  • Buy
  • Sale
  • Option Exercise

Figure 2. Average prices of insider buys, sales, and option exercises at Alnylam Pharmaceuticals, Inc. (ALNY) in the past 24 months. See table 2 for insider transaction details.

  • 08

  • 09

  • 10

  • 11

  • 12

  • 01 2007

  • 02

  • 03

  • 04

  • 05

  • 06

  • 07

  • 08

  • 09

  • 10

  • 11

  • 12

  • 01 2008

  • 02

  • 03

  • 04

  • 05

  • 06

  • 07

  • $33.45

    $25.09

    $16.73

    $8.36



Table 1. Monthly summaries of insider stock purchases, sales, and option exercises for Alnylam Pharmaceuticals, Inc. (ALNY).
Trading Period
year-month  
Insider Buying     
Shares               Value ($)
Insider Sales     
Shares               Value ($)
Option Exercises     
Shares               Value ($)
2008-06 0 0 0 0 3,000 1,425
2008-05 213,888 5,409,227 0 0 0 0
2007-12 0 0 18,778 607,426 0 0
2007-11 0 0 37,222 1,245,187 20,000 218,200
2007-10 0 0 103,590 3,239,163 20,000 19,000
2007-06 0 0 113,847 1,803,903 75,000 35,624
2006-10 0 0 12,500 258,875 0 0
2006-05 0 0 112,583 1,712,789 75,000 35,624
2006-03 0 0 400,882 6,667,515 0 0
2006-02 0 0 616,049 9,500,652 0 0
2006-01 100,000 1,300,000 0 0 0 0
2004-05 130,520 783,120 0 0 0 0

Table 2. Detailed insider stock purchases, sales, and option exercises for Alnylam Pharmaceuticals, Inc. (ALNY)
  Trade Date   Insider Name Trade Type     Shares       Price ($)   Value ($)
2008-06-30 Maraganore John (CEO) Option Exercise 3,000 .48 1,425
2008-05-08 Novartis Pharma Ag (10% Owner) Purchase 213,888 25.29 5,409,227
2007-12-04 Schimmel Paul (Director) Sale 7,192 31.89 229,352
2007-12-03 Schimmel Paul (Director) Sale 11,586 32.63 378,074
2007-11-30 Schimmel Paul (Director) Sale 37,222 33.45 1,245,187
2007-11-30 Schimmel Paul (Director) Option Exercise 20,000 10.91 218,200
2007-10-25 Allen Patricia L (VP of Finance/Treasurer) Sale 20,000 32.02 639,113
2007-10-25 Allen Patricia L (VP of Finance/Treasurer) Option Exercise 20,000 .95 19,000
2007-10-24 Greene Barry E (COO) Sale 37,500 31.09 1,162,710
2007-06-29 Maraganore John (CEO) Sale 37,500 15.82 586,173
2007-06-29 Maraganore John (CEO) Option Exercise 37,500 .48 17,812
2007-06-28 Maraganore John (CEO) Sale 37,500 16.01 600,296
2007-06-28 Maraganore John (CEO) Option Exercise 37,500 .48 17,812
2006-10-31 Greene Barry E (COO and Treasurer) Sale 12,500 20.71 258,875
2006-05-16 Maraganore John (President & CEO) Sale 1,000 15.05 15,050
2006-05-15 Maraganore John (President & CEO) Sale 41,635 15.08 627,684
2006-05-15 Maraganore John (President & CEO) Option Exercise 37,500 .48 17,812
2006-05-12 Maraganore John (President & CEO) Sale 41,635 15.46 639,727
2006-05-12 Maraganore John (President & CEO) Option Exercise 37,500 .48 17,812
2006-03-07 Barrett Peter (Director) Sale 21,800 16.51 359,826
2006-03-06 Barrett Peter (Director) Sale 63,200 17.20 1,086,919
2006-03-03 Barrett Peter (Director) Sale 178,782 16.89 3,018,966
2006-03-02 Barrett Peter (Director) Sale 61,900 16.06 994,386
2006-03-01 Barrett Peter (Director) Sale 75,200 16.06 1,207,418
2006-02-28 Barrett Peter (Director) Sale 91,549 15.98 1,463,337
2006-02-27 Barrett Peter (Director) Sale 250,000 15.77 3,942,975
2006-02-24 Atlas Venture Associates Vi, L.p. (10% Owner) Sale 120,000 14.80 1,775,640
2006-02-24 Barrett Peter (Director) Sale 60,000 14.80 887,820
2006-02-23 Atlas Venture Associates Vi, L.p. (10% Owner) Sale 63,000 15.14 953,920
2006-02-23 Barrett Peter (Director) Sale 31,500 15.14 476,960
2006-01-31 Schimmel Paul (Director) Purchase 100,000 13.00 1,300,000
2004-05-27 Abingworth Management Ltd (10% Owner) Purchase 130,520 6.00 783,120

Insider trading activities including stock purchases, stock sales, and option exercises listed in the above tables cannot be completely guaranteed as to their accuracy. For more insider trading information of Alnylam Pharmaceuticals, Inc. (symbol ALNY, CIK number 1178670) see the Securities and Exchange Commission (SEC) website.

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