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Insider Trading: AUTHENTIDATE HOLDING CORP

Monthly summaries of insider trading activities (stock purchases, sales, and option exercises) reported by insiders of AUTHENTIDATE HOLDING CORP in the last 24 months are illustrated in figures 1 and 2. Table 1 shows the monthly insider trading data of AUTHENTIDATE HOLDING CORP since year 2005. Table 2 shows the detailed insider transactions of AUTHENTIDATE HOLDING CORP since 2005. The reporting company's ticker symbol is ADAT. The reporting company's CIK number is 885074.

The total value of stock buying since 2005 is $402,735. The total value of stock sales is $66,100. 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 AUTHENTIDATE HOLDING CORP (ADAT) 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

  • $119,811

    $11,981

    $1,198

    $119

  • Buy
  • Sale
  • Option Exercise

Figure 2. Average prices of insider buys, sales, and option exercises at AUTHENTIDATE HOLDING CORP (ADAT) 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

  • $1.43

    $1.08

    $.72

    $.36



Table 1. Monthly summaries of insider stock purchases, sales, and option exercises for AUTHENTIDATE HOLDING CORP (ADAT).
Trading Period
year-month  
Insider Buying     
Shares               Value ($)
Insider Sales     
Shares               Value ($)
Option Exercises     
Shares               Value ($)
2007-02 85,000 119,811 0 0 0 0
2006-03 65,000 200,704 0 0 0 0
2005-11 10,000 24,500 0 0 0 0
2005-09 20,000 49,800 0 0 0 0
2005-03 2,000 7,920 0 0 0 0
2004-08 0 0 10,000 66,100 0 0

Table 2. Detailed insider stock purchases, sales, and option exercises for AUTHENTIDATE HOLDING CORP (ADAT)
  Trade Date   Insider Name Trade Type     Shares       Price ($)   Value ($)
2007-02-13 Marshall William A (CFO & Treasurer) Purchase 13,032 1.48 19,287
2007-02-13 Pai Surendra (President and CEO) Purchase 6,400 1.41 9,023
2007-02-12 Marshall William A (CFO & Treasurer) Purchase 11,968 1.46 17,533
2007-02-12 Pai Surendra (President and CEO) Purchase 53,600 1.38 73,968
2006-03-20 Johnson F Ross (Director) Purchase 25,000 3.40 84,875
2006-03-15 Goldman Roger (Director) Purchase 10,000 2.94 29,350
2006-03-15 Pai Surendra (CEO) Purchase 15,000 3.00 44,925
2006-03-13 Pai Surendra (CEO) Purchase 15,000 2.77 41,554
2005-11-15 Pai Surendra (Chief Executive Officer) Purchase 10,000 2.45 24,500
2005-09-30 Waters John J (Executive Vice Presi) Purchase 10,000 2.49 24,900
2005-09-20 Goldman Roger (Director) Purchase 10,000 2.49 24,900
2005-03-22 Singh Ranjit C (Director) Purchase 2,000 3.96 7,920
2004-08-02 Sheridan J Edward (Director) Sale 10,000 6.61 66,100

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 AUTHENTIDATE HOLDING CORP (symbol ADAT, CIK number 885074) see the Securities and Exchange Commission (SEC) website.

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