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Insider Trading: Repligen Corp

Monthly summaries of insider trading activities (stock purchases, sales, and option exercises) reported by insiders of Repligen Corp in the last 24 months are illustrated in figures 1 and 2. Table 1 shows the monthly insider trading data of Repligen Corp since year 2005. Table 2 shows the detailed insider transactions of Repligen Corp since 2005. The reporting company's ticker symbol is RGEN. The reporting company's CIK number is 730272.

The total value of stock buying since 2005 is $57,860. The total value of stock sales is $1,497,238. The total value of stock exercises is $1,441,459.


1 year stock price chart,   1 day stock price chart
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Figure 1. Monthly insider transaction values at Repligen Corp (RGEN) 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.

  • 01 2007

  • 02

  • 03

  • 04

  • 05

  • 06

  • 07

  • 08

  • 09

  • 10

  • 11

  • 12

  • 01 2008

  • 02

  • 03

  • 04

  • 05

  • 06

  • 07

  • 08

  • 09

  • 10

  • 11

  • 12

  • $343,649

    $34,364

    $3,436

    $343

  • Buy
  • Sale
  • Option Exercise

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

  • 01 2007

  • 02

  • 03

  • 04

  • 05

  • 06

  • 07

  • 08

  • 09

  • 10

  • 11

  • 12

  • 01 2008

  • 02

  • 03

  • 04

  • 05

  • 06

  • 07

  • 08

  • 09

  • 10

  • 11

  • 12

  • $6.14

    $4.61

    $3.07

    $1.54



Table 1. Monthly summaries of insider stock purchases, sales, and option exercises for Repligen Corp (RGEN).
Trading Period
year-month  
Insider Buying     
Shares               Value ($)
Insider Sales     
Shares               Value ($)
Option Exercises     
Shares               Value ($)
2008-12 2,000 7,000 0 0 0 0
2008-09 0 0 5,000 25,250 5,000 6,400
2008-03 0 0 5,000 26,905 0 0
2008-02 0 0 16,534 102,965 10,000 14,100
2007-12 0 0 20,000 122,840 30,000 42,300
2007-09 0 0 0 0 156,277 220,350
2007-07 0 0 0 0 243,723 343,649
2007-06 0 0 42,444 163,206 50,000 107,600
2007-03 0 0 35,000 109,138 20,000 30,000
2007-02 0 0 20,000 62,100 70,000 105,000
2006-12 0 0 8,000 22,800 0 0
2006-09 2,000 6,660 5,000 16,900 5,000 4,400
2006-08 0 0 0 0 15,000 13,200
2006-03 0 0 1,800 8,100 301,800 377,250
2006-02 0 0 152,200 646,245 108,200 135,250
2006-01 0 0 6,500 27,300 6,500 20,680
2005-12 8,000 23,560 8,000 28,000 8,000 21,280
2005-08 0 0 30,425 105,719 0 0
2005-07 0 0 10,000 29,770 0 0
2005-03 12,000 20,640 0 0 0 0

Table 2. Detailed insider stock purchases, sales, and option exercises for Repligen Corp (RGEN)
  Trade Date   Insider Name Trade Type     Shares       Price ($)   Value ($)
2008-12-01 Dawes Karen A (Director) Purchase 2,000 3.50 7,000
2008-09-09 Rich Alexander (Director) Sale 5,000 5.05 25,250
2008-09-09 Rich Alexander (Director) Option Exercise 5,000 1.28 6,400
2008-03-04 Witt Daniel P (Vice President) Sale 5,000 5.38 26,905
2008-02-20 Witt Daniel P (Vice President) Sale 2,200 5.80 12,771
2008-02-19 Witt Daniel P (Vice President) Sale 2,035 6.11 12,433
2008-02-15 Witt Daniel P (Vice President) Sale 1,600 6.34 10,144
2008-02-14 Witt Daniel P (Vice President) Sale 10,699 6.32 67,617
2008-02-14 Witt Daniel P (Vice President) Option Exercise 10,000 1.41 14,100
2007-12-13 Rusche James R (Senior Vice President) Sale 20,000 6.14 122,840
2007-12-13 Rusche James R (Senior Vice President) Option Exercise 30,000 1.41 42,300
2007-09-20 Herlihy Walter C (PRESIDENT, CEO) Option Exercise 156,277 1.41 220,350
2007-07-13 Herlihy Walter C (PRESIDENT, CEO) Option Exercise 243,723 1.41 343,649
2007-06-19 Landy Hal (Vice President) Sale 30,000 3.82 114,600
2007-06-19 Landy Hal (Vice President) Option Exercise 40,000 2.44 97,600
2007-06-14 Rusche James R (Senior Vice President) Sale 7,444 3.91 29,106
2007-06-14 Schimmel Paul (Director) Option Exercise 5,000 1.00 5,000
2007-06-14 Rich Alexander (Director) Sale 5,000 3.90 19,500
2007-06-14 Rich Alexander (Director) Option Exercise 5,000 1.00 5,000
2007-03-08 Herlihy Walter C (PRESIDENT, CEO) Sale 25,000 3.15 78,638
2007-03-07 Rusche James R (Senior Vice President) Option Exercise 20,000 1.50 30,000
2007-03-05 Rusche James R (Senior Vice President) Sale 10,000 3.05 30,500
2007-02-28 Witt Daniel P (Vice President) Sale 20,000 3.10 62,100
2007-02-28 Witt Daniel P (Vice President) Option Exercise 20,000 1.50 30,000
2007-02-14 Herlihy Walter C (PRESIDENT, CEO) Option Exercise 50,000 1.50 75,000
2006-12-05 Rusche James R (Senior Vice President) Sale 8,000 2.85 22,800
2006-09-06 Rich Alexander (Director) Sale 5,000 3.38 16,900
2006-09-06 Rich Alexander (Director) Option Exercise 5,000 .88 4,400
2006-09-01 Dawes Karen A (Director) Purchase 2,000 3.33 6,660
2006-08-11 Schimmel Paul (Director) Option Exercise 10,000 .88 8,800
2006-03-06 Herlihy Walter C (PRESIDENT, CEO) Option Exercise 200,000 1.25 250,000
2006-03-01 Whitehouse Laura (Vice President) Sale 1,800 4.50 8,100
2006-03-01 Whitehouse Laura (Vice President) Option Exercise 1,800 1.25 2,250
2006-02-28 Whitehouse Laura (Vice President) Sale 8,200 4.52 37,023
2006-02-28 Whitehouse Laura (Vice President) Option Exercise 8,200 1.25 10,250
2006-02-21 Herlihy Walter C (PRESIDENT, CEO) Sale 54,000 4.25 229,500
2006-02-17 Witt Daniel P (Vice President) Sale 34,600 4.25 147,050
2006-02-17 Witt Daniel P (Vice President) Option Exercise 34,600 1.25 43,250
2006-02-14 Rusche James R (Senior Vice President) Sale 30,000 4.16 124,722
2006-02-14 Rusche James R (Senior Vice President) Option Exercise 40,000 1.25 50,000
2006-02-14 Witt Daniel P (Vice President) Sale 25,400 4.25 107,950
2006-02-14 Witt Daniel P (Vice President) Option Exercise 25,400 1.25 31,750
2006-01-24 Day Barbara Burnim (Other) Sale 3,900 4.24 16,536
2006-01-24 Day Barbara Burnim (Other) Option Exercise 3,900 3.24 12,636
2006-01-20 Day Barbara Burnim (Other) Sale 600 4.24 2,544
2006-01-20 Day Barbara Burnim (Other) Option Exercise 600 3.24 1,944
2006-01-19 Day Barbara Burnim (Other) Sale 2,000 4.11 8,220
2006-01-19 Day Barbara Burnim (Other) Option Exercise 2,000 3.05 6,100
2005-12-27 Day Barbara Burnim (Other) Sale 8,000 3.50 28,000
2005-12-27 Day Barbara Burnim (Other) Option Exercise 8,000 2.66 21,280
2005-12-09 Ryan Thomas F Jr (Director) Purchase 8,000 2.94 23,560
2005-08-03 Rusche James R (Senior Vice Presiden) Sale 10,000 3.45 34,500
2005-08-03 Herlihy Walter C (PRESIDENT, CEO) Sale 17,600 3.55 62,462
2005-08-02 Whitehouse Laura (Vice President) Sale 2,825 3.10 8,757
2005-07-29 Rusche James R (Senior Vice Presiden) Sale 10,000 2.98 29,770
2005-03-10 Ryan Thomas F Jr (Director) Purchase 12,000 1.72 20,640

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 Repligen Corp (symbol RGEN, CIK number 730272) see the Securities and Exchange Commission (SEC) website.

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