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Insider Trading: DONALDSON CO INC

Monthly summaries of insider trading activities (stock purchases, sales, and option exercises) reported by insiders of DONALDSON CO INC in the last 24 months are illustrated in figures 1 and 2. Table 1 shows the monthly insider trading data of DONALDSON CO INC since year 2005. Table 2 shows the detailed insider transactions of DONALDSON CO INC since 2005. The reporting company's ticker symbol is DCI. The reporting company's CIK number is 29644.

The total value of stock buying since 2005 is $37,820. The total value of stock sales is $5,706,542. The total value of stock exercises is $12,155,356.


1 year stock price chart,   1 day stock price chart
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Figure 1. Monthly insider transaction values at DONALDSON CO INC (DCI) 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

  • $6,273k

    $627k

    $62k

    $6k

  • Buy
  • Sale
  • Option Exercise

Figure 2. Average prices of insider buys, sales, and option exercises at DONALDSON CO INC (DCI) 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

  • $50.70

    $38.02

    $25.35

    $12.67



Table 1. Monthly summaries of insider stock purchases, sales, and option exercises for DONALDSON CO INC (DCI).
Trading Period
year-month  
Insider Buying     
Shares               Value ($)
Insider Sales     
Shares               Value ($)
Option Exercises     
Shares               Value ($)
2008-06 0 0 46,111 2,311,508 66,700 700,093
2008-05 0 0 0 0 4,000 49,120
2008-03 0 0 0 0 7,000 70,000
2007-12 0 0 0 0 42,692 998,158
2007-11 0 0 5,928 271,264 23,881 718,353
2007-10 0 0 17,000 700,711 5,000 56,700
2007-09 0 0 10,555 440,578 96,966 1,382,373
2006-12 0 0 0 0 8,000 65,000
2006-09 1,000 37,820 35,187 1,311,735 354,214 6,273,808
2006-06 0 0 4,000 134,520 4,000 32,000
2006-03 0 0 0 0 51,488 660,076
2006-01 0 0 16,479 536,226 80,018 1,149,675

Table 2. Detailed insider stock purchases, sales, and option exercises for DONALDSON CO INC (DCI)
  Trade Date   Insider Name Trade Type     Shares       Price ($)   Value ($)
2008-06-20 Timm David W (Vice President) Sale 6,000 49.69 298,140
2008-06-20 Timm David W (Vice President) Option Exercise 6,000 10.00 60,000
2008-06-19 Joppa Sandra N (Vice President) Option Exercise 1,500 31.15 46,725
2008-06-10 Schwab Lowell F (Senior Vice President) Sale 26,697 49.69 1,326,573
2008-06-09 Dolan Janet M (Director) Option Exercise 7,200 10.19 73,368
2008-06-04 Cook William M (Chairman, President and CEO) Option Exercise 52,000 10.00 520,000
2008-06-04 Eugster Jack W (Director) Sale 1,126 51.54 58,034
2008-06-03 Eugster Jack W (Director) Sale 1,902 51.44 97,829
2008-06-02 Vann William I (Vice President) Sale 10,386 51.12 530,932
2008-05-30 Eugster Jack W (Director) Option Exercise 4,000 12.28 49,120
2008-03-13 Mcmurray Charles J (Senior Vice President) Option Exercise 7,000 10.00 70,000
2007-12-07 Schwab Lowell F (Senior Vice President) Option Exercise 30,692 28.35 870,118
2007-12-03 Vann William I (Vice President) Option Exercise 12,000 10.67 128,040
2007-11-30 Bastiaens F Guillaume (Director) Option Exercise 8,000 12.02 96,160
2007-11-29 Ward Jay L (Vice President) Sale 476 45.53 21,672
2007-11-29 Ward Jay L (Vice President) Option Exercise 1,000 9.84 9,840
2007-11-29 Cook William M (Chairman, President and CEO) Option Exercise 14,881 41.15 612,353
2007-11-29 Eugster Jack W (Director) Sale 5,452 45.78 249,592
2007-10-12 Linnell Norman C (Vice President) Sale 17,000 41.22 700,711
2007-10-04 Mcmurray Charles J (Senior Vice President) Option Exercise 5,000 11.34 56,700
2007-09-27 Timm David W (Vice President) Sale 2,555 41.78 106,738
2007-09-27 Timm David W (Vice President) Option Exercise 5,000 11.35 56,750
2007-09-26 Dolan Janet M (Director) Sale 8,000 41.73 333,840
2007-09-26 Dolan Janet M (Director) Option Exercise 8,000 12.12 96,960
2007-09-21 Eugster Jack W (Director) Option Exercise 7,200 10.19 73,368
2007-09-13 Grundhofer John F (Director) Option Exercise 8,926 29.65 264,655
2007-09-07 Linnell Norman C (Vice President) Option Exercise 15,840 19.00 300,960
2007-09-07 Cook William M (Chairman, President and CEO) Option Exercise 52,000 11.34 589,680
2006-12-01 Vann William I (Vice President) Option Exercise 8,000 8.12 65,000
2006-09-29 Eugster Jack W (Director) Sale 4,000 37.20 148,780
2006-09-29 Eugster Jack W (Director) Option Exercise 4,000 12.02 48,080
2006-09-26 Eugster Jack W (Director) Sale 4,000 36.94 147,760
2006-09-26 Eugster Jack W (Director) Option Exercise 4,000 12.02 48,080
2006-09-14 Oberton Willard D (Director) Purchase 1,000 37.82 37,820
2006-09-13 Cook William M (Chairman, President and CEO) Option Exercise 52,000 8.13 422,760
2006-09-13 Dolan Janet M (Director) Option Exercise 8,000 8.00 64,000
2006-09-13 Eugster Jack W (Director) Sale 4,000 37.58 150,320
2006-09-13 Eugster Jack W (Director) Option Exercise 4,000 8.00 32,000
2006-09-12 Touw Geert Henk (Senior Vice President) Sale 23,187 37.30 864,875
2006-09-12 Schwab Lowell F (Senior Vice President) Option Exercise 32,864 19.74 648,735
2006-09-12 Giertz James R (Senior Vice President) Option Exercise 249,350 20.09 5,010,153
2006-06-29 Eugster Jack W (Director) Sale 4,000 33.63 134,520
2006-06-29 Eugster Jack W (Director) Option Exercise 4,000 8.00 32,000
2006-03-29 Giertz James R (Senior Vice President) Option Exercise 51,488 12.82 660,076
2006-01-26 Schwab Lowell F (Senior Vice Presiden) Option Exercise 39,360 17.33 682,108
2006-01-25 Linnell Norman C (Vice President) Option Exercise 40,658 11.50 467,567
2006-01-23 Giertz James R (Senior Vice Presiden) Sale 16,479 32.54 536,226

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 DONALDSON CO INC (symbol DCI, CIK number 29644) see the Securities and Exchange Commission (SEC) website.

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