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Insider Trading: Arrowhead Research Corp

Monthly summaries of insider trading activities (stock purchases, sales, and option exercises) reported by insiders of Arrowhead Research Corp in the last 24 months are illustrated in figures 1 and 2. Table 1 shows the monthly insider trading data of Arrowhead Research Corp since year 2005. Table 2 shows the detailed insider transactions of Arrowhead Research Corp since 2005. The reporting company's ticker symbol is ARWR. The reporting company's CIK number is 879407.

The total value of stock buying since 2005 is $533,523. The total value of stock sales is $7,548,228. The total value of stock exercises is $0.


1 year stock price chart,   1 day stock price chart
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Figure 1. Monthly insider transaction values at Arrowhead Research Corp (ARWR) 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.

  • 09

  • 10

  • 11

  • 12

  • 01 2007

  • 02

  • 03

  • 04

  • 05

  • 06

  • 07

  • 08

  • 09

  • 10

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  • 01 2008

  • 02

  • 03

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  • 05

  • 06

  • 07

  • 08

  • $5,531k

    $553k

    $55k

    $5k

  • Buy
  • Sale
  • Option Exercise

Figure 2. Average prices of insider buys, sales, and option exercises at Arrowhead Research Corp (ARWR) in the past 24 months. See table 2 for insider transaction details.

  • 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

  • 08

  • $7.21

    $5.41

    $3.60

    $1.80



Table 1. Monthly summaries of insider stock purchases, sales, and option exercises for Arrowhead Research Corp (ARWR).
Trading Period
year-month  
Insider Buying     
Shares               Value ($)
Insider Sales     
Shares               Value ($)
Option Exercises     
Shares               Value ($)
2008-08 164,000 0 0 0 0 0
2007-12 0 0 1,000 3,860 0 0
2007-11 0 0 1,000 3,910 0 0
2007-10 0 0 1,000 5,000 0 0
2007-09 0 0 1,000 5,040 0 0
2007-08 0 0 1,000 5,440 0 0
2007-07 0 0 1,000 4,880 0 0
2007-06 0 0 1,000 7,210 0 0
2007-05 0 0 1,000 7,000 0 0
2007-04 0 0 1,000 4,576 0 0
2007-03 0 0 1,449,572 5,531,292 0 0
2007-02 0 0 1,000 4,010 0 0
2007-01 2,000 8,353 1,000 4,010 0 0
2006-08 102,250 498,980 0 0 0 0
2005-05 10,000 26,190 0 0 0 0
2005-04 0 0 600,000 1,962,000 0 0

Table 2. Detailed insider stock purchases, sales, and option exercises for Arrowhead Research Corp (ARWR)
  Trade Date   Insider Name Trade Type     Shares       Price ($)   Value ($)
2008-08-22 Anzalone Christopher Richard (President and CEO) Purchase 164,000 .00 0
2007-12-05 Mckenney Charles (Director) Sale 1,000 3.86 3,860
2007-11-05 Mckenney Charles (Director) Sale 1,000 3.91 3,910
2007-10-05 Mckenney Charles (Director) Sale 1,000 5.00 5,000
2007-09-05 Mckenney Charles (Director) Sale 1,000 5.04 5,040
2007-08-06 Mckenney Charles (Director) Sale 1,000 5.44 5,440
2007-07-05 Mckenney Charles (Director) Sale 1,000 4.88 4,880
2007-06-05 Mckenney Charles (Director) Sale 1,000 7.21 7,210
2007-05-07 Mckenney Charles (Director) Sale 1,000 7.00 7,000
2007-04-05 Mckenney Charles (Director) Sale 1,000 4.58 4,576
2007-03-21 Knott David M (10% Owner) Sale 1,410,950 3.81 5,374,825
2007-03-19 Knott David M (10% Owner) Sale 9,940 3.93 39,064
2007-03-16 Knott David M (10% Owner) Sale 27,682 4.11 113,653
2007-03-05 Mckenney Charles (Director) Sale 1,000 3.75 3,750
2007-02-20 Mckenney Charles (Director) Sale 500 3.98 1,990
2007-02-05 Mckenney Charles (Director) Sale 500 4.04 2,020
2007-01-22 Mckenney Charles (Director) Sale 500 4.01 2,005
2007-01-16 Mckenney Charles (Director) Sale 500 4.01 2,005
2007-01-10 Kingsley Joseph Theodore Iii (Interim President & CFO) Purchase 2,000 4.18 8,353
2006-08-16 Knott David M Purchase 102,250 4.88 498,980
2005-05-19 Kingsley Joseph Theodore Iii (Chief Financial Officer) Purchase 10,000 2.62 26,190
2005-04-21 Ching Marshall Robert (10% Owner) Sale 600,000 3.27 1,962,000

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 Arrowhead Research Corp (symbol ARWR, CIK number 879407) see the Securities and Exchange Commission (SEC) website.

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