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Insider Trading: Griffon Corp

Monthly summaries of insider trading activities (stock purchases, sales, and option exercises) reported by insiders of Griffon Corp in the last 24 months are illustrated in figures 1 and 2. Table 1 shows the monthly insider trading data of Griffon Corp since year 2005. Table 2 shows the detailed insider transactions of Griffon Corp since 2005. The reporting company's ticker symbol is GFF. The reporting company's CIK number is 50725.

The total value of stock buying since 2005 is $8,920,972. The total value of stock sales is $36,679. The total value of stock exercises is $11,024,997.


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

  • 11

  • 12

  • 01 2007

  • 02

  • 03

  • 04

  • 05

  • 06

  • 07

  • 08

  • 09

  • 10

  • 11

  • 12

  • 01 2008

  • 02

  • 03

  • 04

  • 05

  • 06

  • 07

  • 08

  • 09

  • 10

  • $6,300k

    $630k

    $63k

    $6k

  • Buy
  • Sale
  • Option Exercise

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

  • 11

  • 12

  • 01 2007

  • 02

  • 03

  • 04

  • 05

  • 06

  • 07

  • 08

  • 09

  • 10

  • 11

  • 12

  • 01 2008

  • 02

  • 03

  • 04

  • 05

  • 06

  • 07

  • 08

  • 09

  • 10

  • $15.44

    $11.58

    $7.72

    $3.86



Table 1. Monthly summaries of insider stock purchases, sales, and option exercises for Griffon Corp (GFF).
Trading Period
year-month  
Insider Buying     
Shares               Value ($)
Insider Sales     
Shares               Value ($)
Option Exercises     
Shares               Value ($)
2008-09 578,151 4,914,283 0 0 0 0
2008-05 3,300 29,798 0 0 0 0
2008-03 22,400 178,344 0 0 0 0
2008-02 25,000 236,249 0 0 0 0
2007-12 13,600 174,760 0 0 0 0
2007-11 128,200 1,685,163 0 0 0 0
2007-09 500 7,720 0 0 440,000 6,300,008
2007-08 65,000 948,459 0 0 0 0
2006-08 0 0 0 0 385,000 4,724,989
2006-02 5,000 114,750 0 0 0 0
2005-12 0 0 1,500 36,679 0 0
2005-08 18,000 427,276 0 0 0 0
2005-06 7,682 156,440 0 0 0 0
2005-05 2,500 47,730 0 0 0 0

Table 2. Detailed insider stock purchases, sales, and option exercises for Griffon Corp (GFF)
  Trade Date   Insider Name Trade Type     Shares       Price ($)   Value ($)
2008-09-29 Kramer Ronald J (Chief Executive Officer) Purchase 578,151 8.50 4,914,283
2008-05-15 Mitarotonda James A (Director) Purchase 3,300 9.03 29,798
2008-03-07 Mitarotonda James A (Director) Purchase 22,400 7.96 178,344
2008-02-11 Blau Harvey R (Chairman of the Board) Purchase 25,000 9.45 236,249
2007-12-03 Blau Harvey R (Chairman of the Board) Purchase 13,600 12.85 174,760
2007-11-30 Blau Harvey R (Chairman of the Board) Purchase 1,400 12.88 18,032
2007-11-29 Mitarotonda James A (Director) Purchase 4,579 12.58 57,619
2007-11-29 Blau Harvey R (Chairman of the Board) Purchase 5,000 12.67 63,350
2007-11-27 Mitarotonda James A (Director) Purchase 3,500 12.59 44,054
2007-11-26 Mitarotonda James A (Director) Purchase 8,721 12.54 109,371
2007-11-21 Blau Harvey R (Chairman of the Board) Purchase 5,000 13.10 65,500
2007-11-20 Mitarotonda James A (Director) Purchase 25,000 12.81 320,372
2007-11-20 Kramer Ronald J (Director) Purchase 20,000 13.21 264,200
2007-11-20 Blau Harvey R (Chairman of the Board) Purchase 5,000 12.75 63,750
2007-11-19 Mitarotonda James A (Director) Purchase 25,000 13.53 338,315
2007-11-19 Blau Harvey R (Chairman of the Board) Purchase 15,000 13.48 202,275
2007-11-16 Blau Harvey R (Chairman of the Board) Purchase 10,000 13.83 138,325
2007-09-06 Stansberry James W (Director) Purchase 500 15.44 7,720
2007-09-04 Blau Harvey R (Chairman of the Board) Option Exercise 440,000 14.32 6,300,008
2007-08-10 Blau Harvey R (Chairman of the Board) Purchase 12,660 14.26 180,489
2007-08-09 Blau Harvey R (Chairman of the Board) Purchase 42,340 14.71 622,680
2007-08-08 Alpert Henry A (Director) Purchase 10,000 14.53 145,290
2006-08-17 Blau Harvey R (Chairman of the Board) Option Exercise 385,000 12.27 4,724,989
2006-02-16 Blau Harvey R (Chairman of the Board) Purchase 5,000 22.95 114,750
2005-12-07 Stansberry James W (Director) Sale 1,500 24.45 36,679
2005-08-16 Blau Harvey R (Chairman of the Board) Purchase 10,000 23.88 238,780
2005-08-09 Blau Harvey R (Chairman of the Board) Purchase 8,000 23.56 188,496
2005-06-24 Sussman Martin S (Director) Purchase 2,000 21.30 42,590
2005-06-02 Kramer Ronald J (Director) Purchase 5,682 20.04 113,850
2005-05-18 Fogg Blaine V (Director) Purchase 2,500 19.09 47,730

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 Griffon Corp (symbol GFF, CIK number 50725) see the Securities and Exchange Commission (SEC) website.

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