WILLIAM M COOK Insider Trading $DCI DONALDSON CO INC

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General | Insider Transactions | Monthly Overview

Get the latest insider transactions of WILLIAM M COOK. WILLIAM M COOK is Chairman, President and CEO in DONALDSON CO INC ($DCI) and President and CEO in DONALDSON CO INC ($DCI) and Senior VP in DONALDSON CO INC ($DCI).

WILLIAM M COOK in DONALDSON CO INC

Trading Symbol: DCI
Industry: INDUSTRIAL & COMMERCIAL FANS & BLOWERS & AIR PURIFYING EQUIP [3564]
Position of WILLIAM M COOK: Chairman, President and CEO, President and CEO, Senior VP
Holdings: 39,574 shares
Current Value: $1,659,734
Latest Transaction: Feb 12 2015
$DCI Market Capitalization: $5.49B
$DCI Previous Close: $41.94

Last 4 weeks trend: HOLD
Last 3 months trend: HOLD

Latest Insider Trading Transactions of WILLIAM M COOK in DONALDSON CO INC

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Date	Ticker	Company	Owner	Relationship	Transaction	Code	Cost ($)	Shares	Transaction Value ($)	Total Shares	% Holdings
Oct 05 2010	DCI	DONALDSON CO INC	COOK WILLIAM M	Chairman, President ...	Option Exercise	A	47.13	27,872	1,313,607	27,872
Oct 05 2010	DCI	DONALDSON CO INC	COOK WILLIAM M	Chairman, President ...	Option Exercise	M	18.19	43,000	782,170	0
Oct 05 2010	DCI	DONALDSON CO INC	COOK WILLIAM M	Chairman, President ...	Payment of Exercise	F	47.13	27,872	1,313,607	454,415	482.3 K to 454.4 K (-5.78 %)
Oct 05 2010	DCI	DONALDSON CO INC	COOK WILLIAM M	Chairman, President ...	Buy	M	18.19	43,000	782,170	482,287	439.3 K to 482.3 K (+9.79 %)
Sep 29 2010	DCI	DONALDSON CO INC	COOK WILLIAM M	Chairman, President ...	Option Exercise	M	46.07	5,812	267,759	0
Sep 29 2010	DCI	DONALDSON CO INC	COOK WILLIAM M	Chairman, President ...	Option Exercise	M	45.93	6,703	307,869	0
Sep 29 2010	DCI	DONALDSON CO INC	COOK WILLIAM M	Chairman, President ...	Option Exercise	A	46.71	5,020	234,484	5,020
Sep 29 2010	DCI	DONALDSON CO INC	COOK WILLIAM M	Chairman, President ...	Option Exercise	M	15.06	8,206	123,582	0
Sep 29 2010	DCI	DONALDSON CO INC	COOK WILLIAM M	Chairman, President ...	Payment of Exercise	F	46.71	5,768	269,423	439,287	445.1 K to 439.3 K (-1.30 %)
Sep 29 2010	DCI	DONALDSON CO INC	COOK WILLIAM M	Chairman, President ...	Buy	M	46.07	5,812	267,759	445,055	439.2 K to 445.1 K (+1.32 %)
Sep 29 2010	DCI	DONALDSON CO INC	COOK WILLIAM M	Chairman, President ...	Payment of Exercise	F	46.71	6,640	310,154	439,243	445.9 K to 439.2 K (-1.49 %)
Sep 29 2010	DCI	DONALDSON CO INC	COOK WILLIAM M	Chairman, President ...	Buy	M	45.93	6,703	307,869	445,883	439.2 K to 445.9 K (+1.53 %)
Sep 29 2010	DCI	DONALDSON CO INC	COOK WILLIAM M	Chairman, President ...	Payment of Exercise	F	46.71	5,020	234,484	439,180	444.2 K to 439.2 K (-1.13 %)
Sep 29 2010	DCI	DONALDSON CO INC	COOK WILLIAM M	Chairman, President ...	Buy	M	15.06	8,206	123,582	444,200	436 K to 444.2 K (+1.88 %)
Sep 29 2010	DCI	DONALDSON CO INC	COOK WILLIAM M	Chairman, President ...	Grant	A	46.91	23	1,079	14,312	14.3 K to 14.3 K (+0.16 %)
Sep 22 2010	DCI	DONALDSON CO INC	COOK WILLIAM M	Chairman, President ...	Option Exercise	A	46.07	5,812	267,759	5,812
Sep 22 2010	DCI	DONALDSON CO INC	COOK WILLIAM M	Chairman, President ...	Option Exercise	M	12.91	20,000	258,200	0
Sep 22 2010	DCI	DONALDSON CO INC	COOK WILLIAM M	Chairman, President ...	Payment of Exercise	F	46.07	5,812	267,759	435,994	441.8 K to 436 K (-1.32 %)
Sep 22 2010	DCI	DONALDSON CO INC	COOK WILLIAM M	Chairman, President ...	Buy	M	12.91	20,000	258,200	441,806	421.8 K to 441.8 K (+4.74 %)
Sep 16 2010	DCI	DONALDSON CO INC	COOK WILLIAM M	Chairman, President ...	Grant	A	44.40	24	1,066	14,289	14.3 K to 14.3 K (+0.17 %)
Sep 02 2010	DCI	DONALDSON CO INC	COOK WILLIAM M	Chairman, President ...	Grant	A	42.85	25	1,071	14,225	14.2 K to 14.2 K (+0.18 %)
Aug 19 2010	DCI	DONALDSON CO INC	COOK WILLIAM M	Chairman, President ...	Grant	A	44.51	143	6,365	14,200	14.1 K to 14.2 K (+1.02 %)
Aug 19 2010	DCI	DONALDSON CO INC	COOK WILLIAM M	Chairman, President ...	Grant	A	44.43	24	1,066	14,057	14 K to 14.1 K (+0.17 %)
Apr 06 2010	DCI	DONALDSON CO INC	COOK WILLIAM M	Chairman, President ...	Sell	S	46.42	13,500	626,670	419,461	433 K to 419.5 K (-3.12 %)
Mar 30 2010	DCI	DONALDSON CO INC	COOK WILLIAM M	Chairman, President ...	Option Exercise	A	45.93	6,703	307,869	6,703
Mar 30 2010	DCI	DONALDSON CO INC	COOK WILLIAM M	Chairman, President ...	Option Exercise	M	12.91	23,000	296,930	0
Mar 30 2010	DCI	DONALDSON CO INC	COOK WILLIAM M	Chairman, President ...	Payment of Exercise	F	45.93	6,703	307,869	432,961	439.7 K to 433 K (-1.52 %)
Mar 30 2010	DCI	DONALDSON CO INC	COOK WILLIAM M	Chairman, President ...	Buy	M	12.91	23,000	296,930	439,664	416.7 K to 439.7 K (+5.52 %)
Dec 29 2009	DCI	DONALDSON CO INC	COOK WILLIAM M	Chairman, President ...	Gift	G	0.00	4,680	0	415,563	420.2 K to 415.6 K (-1.11 %)
Dec 29 2009	DCI	DONALDSON CO INC	COOK WILLIAM M	Chairman, President ...	Sell	S	43.42	8,150	353,873	420,243	428.4 K to 420.2 K (-1.90 %)
Dec 15 2009	DCI	DONALDSON CO INC	COOK WILLIAM M	Chairman, President ...	Option Exercise	A	42.40	76,500	3,243,600	76,500
Nov 25 2009	DCI	DONALDSON CO INC	COOK WILLIAM M	Chairman, President ...	Option Exercise	A	44.12	11,669	514,836	11,669
Nov 25 2009	DCI	DONALDSON CO INC	COOK WILLIAM M	Chairman, President ...	Option Exercise	M	11.50	43,000	494,500	0
Nov 25 2009	DCI	DONALDSON CO INC	COOK WILLIAM M	Chairman, President ...	Payment of Exercise	F	44.12	11,669	514,836	427,221	438.9 K to 427.2 K (-2.66 %)
Nov 25 2009	DCI	DONALDSON CO INC	COOK WILLIAM M	Chairman, President ...	Buy	M	11.50	43,000	494,500	438,890	395.9 K to 438.9 K (+10.86 %)
Jan 27 2009	DCI	DONALDSON CO INC	COOK WILLIAM M	Chairman, President ...	Grant	A	31.07	494	15,349	13,770	13.3 K to 13.8 K (+3.72 %)
Dec 24 2008	DCI	DONALDSON CO INC	COOK WILLIAM M	Chairman, President ...	Grant	A	31.59	34	1,074	13,276	13.2 K to 13.3 K (+0.26 %)
Dec 11 2008	DCI	DONALDSON CO INC	COOK WILLIAM M	Chairman, President ...	Option Exercise	A	34.55	71,300	2,463,415	71,300
Dec 11 2008	DCI	DONALDSON CO INC	COOK WILLIAM M	Chairman, President ...	Grant	A	36.04	30	1,081	13,196	13.2 K to 13.2 K (+0.23 %)
Nov 26 2008	DCI	DONALDSON CO INC	COOK WILLIAM M	Chairman, President ...	Grant	A	29.70	36	1,069	13,166	13.1 K to 13.2 K (+0.27 %)
Nov 14 2008	DCI	DONALDSON CO INC	COOK WILLIAM M	Chairman, President ...	Grant	A	31.14	35	1,090	13,130	13.1 K to 13.1 K (+0.27 %)
Oct 29 2008	DCI	DONALDSON CO INC	COOK WILLIAM M	Chairman, President ...	Grant	A	28.57	38	1,086	13,095	13.1 K to 13.1 K (+0.29 %)
Oct 16 2008	DCI	DONALDSON CO INC	COOK WILLIAM M	Chairman, President ...	Grant	A	33.31	1,278	42,570	13,058	11.8 K to 13.1 K (+10.85 %)
Oct 16 2008	DCI	DONALDSON CO INC	COOK WILLIAM M	Chairman, President ...	Grant	A	36.24	30	1,087	11,780	11.8 K to 11.8 K (+0.26 %)
Oct 01 2008	DCI	DONALDSON CO INC	COOK WILLIAM M	Chairman, President ...	Grant	A	41.45	26	1,078	11,750	11.7 K to 11.8 K (+0.22 %)
Sep 17 2008	DCI	DONALDSON CO INC	COOK WILLIAM M	Chairman, President ...	Grant	A	41.67	26	1,083	11,724	11.7 K to 11.7 K (+0.22 %)
Sep 15 2008	DCI	DONALDSON CO INC	COOK WILLIAM M	Chairman, President ...	Payment of Exercise	F	40.80	11,579	472,423	390,261	401.8 K to 390.3 K (-2.88 %)
Sep 15 2008	DCI	DONALDSON CO INC	COOK WILLIAM M	Chairman, President ...	Grant	A	40.80	32,838	1,339,790	400,868	368 K to 400.9 K (+8.92 %)
Sep 04 2008	DCI	DONALDSON CO INC	COOK WILLIAM M	Chairman, President ...	Grant	A	42.68	25	1,067	11,667	11.6 K to 11.7 K (+0.21 %)
Aug 21 2008	DCI	DONALDSON CO INC	COOK WILLIAM M	Chairman, President ...	Grant	A	45.96	23	1,057	11,641	11.6 K to 11.6 K (+0.20 %)
Aug 07 2008	DCI	DONALDSON CO INC	COOK WILLIAM M	Chairman, President ...	Grant	A	44.70	24	1,073	11,618	11.6 K to 11.6 K (+0.21 %)
Jul 24 2008	DCI	DONALDSON CO INC	COOK WILLIAM M	Chairman, President ...	Grant	A	44.41	24	1,066	11,594	11.6 K to 11.6 K (+0.21 %)
Jul 09 2008	DCI	DONALDSON CO INC	COOK WILLIAM M	Chairman, President ...	Grant	A	41.66	26	1,083	11,570	11.5 K to 11.6 K (+0.23 %)
Jun 25 2008	DCI	DONALDSON CO INC	COOK WILLIAM M	Chairman, President ...	Grant	A	48.60	22	1,069	11,544	11.5 K to 11.5 K (+0.19 %)
Jun 11 2008	DCI	DONALDSON CO INC	COOK WILLIAM M	Chairman, President ...	Grant	A	50.35	21	1,057	11,496	11.5 K to 11.5 K (+0.18 %)
Jun 05 2008	DCI	DONALDSON CO INC	COOK WILLIAM M	Chairman, President ...	Option Exercise	A	50.89	10,824	550,833	10,824
Jun 05 2008	DCI	DONALDSON CO INC	COOK WILLIAM M	Chairman, President ...	Option Exercise	M	10.00	52,000	520,000	0
Jun 05 2008	DCI	DONALDSON CO INC	COOK WILLIAM M	Chairman, President ...	Payment of Exercise	F	50.89	10,824	550,833	367,311	378.1 K to 367.3 K (-2.86 %)
Jun 05 2008	DCI	DONALDSON CO INC	COOK WILLIAM M	Chairman, President ...	Buy	M	10.00	52,000	520,000	378,135	326.1 K to 378.1 K (+15.94 %)
May 28 2008	DCI	DONALDSON CO INC	COOK WILLIAM M	Chairman, President ...	Grant	A	46.73	23	1,075	11,475	11.5 K to 11.5 K (+0.20 %)
May 14 2008	DCI	DONALDSON CO INC	COOK WILLIAM M	Chairman, President ...	Grant	A	45.41	24	1,090	11,452	11.4 K to 11.5 K (+0.21 %)
Apr 30 2008	DCI	DONALDSON CO INC	COOK WILLIAM M	Chairman, President ...	Grant	A	43.22	11	475	11,428	11.4 K to 11.4 K (+0.10 %)
Feb 07 2008	DCI	DONALDSON CO INC	COOK WILLIAM M	Chairman, President ...	Grant	A	40.21	372	14,958	11,386	11 K to 11.4 K (+3.38 %)
Dec 28 2007	DCI	DONALDSON CO INC	COOK WILLIAM M	Chairman, President ...	Gift	G	0.00	7,500	0	325,255	332.8 K to 325.3 K (-2.25 %)
Dec 28 2007	DCI	DONALDSON CO INC	COOK WILLIAM M	Chairman, President ...	Grant	A	46.17	23	1,062	11,014	11 K to 11 K (+0.21 %)
Dec 13 2007	DCI	DONALDSON CO INC	COOK WILLIAM M	Chairman, President ...	Grant	A	47.26	23	1,087	10,991	11 K to 11 K (+0.21 %)
Dec 06 2007	DCI	DONALDSON CO INC	COOK WILLIAM M	Chairman, President ...	Option Exercise	A	46.00	56,000	2,576,000	56,000
Nov 30 2007	DCI	DONALDSON CO INC	COOK WILLIAM M	Chairman, President ...	Option Exercise	M	41.15	14,881	612,353	0
Nov 30 2007	DCI	DONALDSON CO INC	COOK WILLIAM M	Chairman, President ...	Payment of Exercise	F	45.80	14,017	641,979	332,061	346.1 K to 332.1 K (-4.05 %)
Nov 30 2007	DCI	DONALDSON CO INC	COOK WILLIAM M	Chairman, President ...	Buy	M	41.15	14,881	612,353	346,078	331.2 K to 346.1 K (+4.49 %)
Nov 29 2007	DCI	DONALDSON CO INC	COOK WILLIAM M	Chairman, President ...	Grant	A	42.70	25	1,068	10,945	10.9 K to 10.9 K (+0.23 %)
Nov 15 2007	DCI	DONALDSON CO INC	COOK WILLIAM M	Chairman, President ...	Grant	A	40.25	27	1,087	10,920	10.9 K to 10.9 K (+0.25 %)
Oct 31 2007	DCI	DONALDSON CO INC	COOK WILLIAM M	Chairman, President ...	Grant	A	41.79	26	1,087	10,893	10.9 K to 10.9 K (+0.24 %)
Oct 18 2007	DCI	DONALDSON CO INC	COOK WILLIAM M	Chairman, President ...	Grant	A	40.40	1,011	40,844	10,868	9.9 K to 10.9 K (+10.26 %)
Oct 17 2007	DCI	DONALDSON CO INC	COOK WILLIAM M	Chairman, President ...	Grant	A	41.04	26	1,067	9,856	9.8 K to 9.9 K (+0.26 %)
Oct 03 2007	DCI	DONALDSON CO INC	COOK WILLIAM M	Chairman, President ...	Grant	A	41.81	26	1,087	9,830	9.8 K to 9.8 K (+0.27 %)
Sep 25 2007	DCI	DONALDSON CO INC	COOK WILLIAM M	Chairman, President ...	Payment of Exercise	F	41.40	10,816	447,782	331,197	342 K to 331.2 K (-3.16 %)
Sep 25 2007	DCI	DONALDSON CO INC	COOK WILLIAM M	Chairman, President ...	Grant	A	41.40	25,329	1,048,621	342,013	316.7 K to 342 K (+8.00 %)
Sep 20 2007	DCI	DONALDSON CO INC	COOK WILLIAM M	Chairman, President ...	Grant	A	40.54	27	1,095	9,804	9.8 K to 9.8 K (+0.28 %)
Sep 11 2007	DCI	DONALDSON CO INC	COOK WILLIAM M	Chairman, President ...	Option Exercise	A	41.15	14,881	612,353	14,881
Sep 11 2007	DCI	DONALDSON CO INC	COOK WILLIAM M	Chairman, President ...	Option Exercise	M	11.34	52,000	589,680	0
Sep 11 2007	DCI	DONALDSON CO INC	COOK WILLIAM M	Chairman, President ...	Payment of Exercise	F	41.15	14,881	612,353	316,684	331.6 K to 316.7 K (-4.49 %)
Sep 11 2007	DCI	DONALDSON CO INC	COOK WILLIAM M	Chairman, President ...	Buy	M	11.34	52,000	589,680	331,565	279.6 K to 331.6 K (+18.60 %)
Sep 06 2007	DCI	DONALDSON CO INC	COOK WILLIAM M	Chairman, President ...	Grant	A	40.69	26	1,058	9,754	9.7 K to 9.8 K (+0.27 %)
Aug 23 2007	DCI	DONALDSON CO INC	COOK WILLIAM M	Chairman, President ...	Grant	A	37.21	29	1,079	9,727	9.7 K to 9.7 K (+0.30 %)
Aug 08 2007	DCI	DONALDSON CO INC	COOK WILLIAM M	Chairman, President ...	Grant	A	37.36	29	1,083	9,699	9.7 K to 9.7 K (+0.30 %)
Jul 26 2007	DCI	DONALDSON CO INC	COOK WILLIAM M	Chairman, President ...	Grant	A	37.78	29	1,096	9,670	9.6 K to 9.7 K (+0.30 %)
Jul 12 2007	DCI	DONALDSON CO INC	COOK WILLIAM M	Chairman, President ...	Grant	A	35.47	30	1,064	9,641	9.6 K to 9.6 K (+0.31 %)
Jul 12 2007	DCI	DONALDSON CO INC	COOK WILLIAM M	Chairman, President ...	Gift	G	0.00	2,900	0	278,869	281.8 K to 278.9 K (-1.03 %)
Jun 27 2007	DCI	DONALDSON CO INC	COOK WILLIAM M	Chairman, President ...	Grant	A	35.75	30	1,073	9,611	9.6 K to 9.6 K (+0.31 %)
Jun 15 2007	DCI	DONALDSON CO INC	COOK WILLIAM M	Chairman, President ...	Grant	A	34.78	31	1,078	9,556	9.5 K to 9.6 K (+0.33 %)
May 31 2007	DCI	DONALDSON CO INC	COOK WILLIAM M	Chairman, President ...	Grant	A	36.05	30	1,082	9,525	9.5 K to 9.5 K (+0.32 %)
May 17 2007	DCI	DONALDSON CO INC	COOK WILLIAM M	Chairman, President ...	Grant	A	36.42	30	1,093	9,495	9.5 K to 9.5 K (+0.32 %)
May 03 2007	DCI	DONALDSON CO INC	COOK WILLIAM M	Chairman, President ...	Grant	A	35.61	19	677	9,466	9.4 K to 9.5 K (+0.20 %)
Jan 25 2007	DCI	DONALDSON CO INC	COOK WILLIAM M	Chairman, President ...	Grant	A	34.26	410	14,047	9,423	9 K to 9.4 K (+4.55 %)
Jan 11 2007	DCI	DONALDSON CO INC	COOK WILLIAM M	Chairman, President ...	Grant	A	33.84	28	948	38,349	38.3 K to 38.3 K (+0.07 %)
Jan 11 2007	DCI	DONALDSON CO INC	COOK WILLIAM M	Chairman, President ...	Grant	A	55.52	3	167	4,412	4.4 K to 4.4 K (+0.07 %)
Dec 28 2006	DCI	DONALDSON CO INC	COOK WILLIAM M	Chairman, President ...	Grant	A	35.33	27	954	9,013	9 K to 9 K (+0.30 %)
Dec 13 2006	DCI	DONALDSON CO INC	COOK WILLIAM M	Chairman, President ...	Grant	A	34.71	28	972	8,986	9 K to 9 K (+0.31 %)
Dec 07 2006	DCI	DONALDSON CO INC	COOK WILLIAM M	Chairman, President ...	Option Exercise	A	35.10	54,000	1,895,400	54,000
Nov 29 2006	DCI	DONALDSON CO INC	COOK WILLIAM M	Chairman, President ...	Grant	A	34.33	28	961	8,935	8.9 K to 8.9 K (+0.31 %)
Nov 15 2006	DCI	DONALDSON CO INC	COOK WILLIAM M	Chairman, President ...	Grant	A	36.89	26	959	8,907	8.9 K to 8.9 K (+0.29 %)
Nov 02 2006	DCI	DONALDSON CO INC	COOK WILLIAM M	Chairman, President ...	Grant	A	37.71	25	943	8,881	8.9 K to 8.9 K (+0.28 %)
Oct 18 2006	DCI	DONALDSON CO INC	COOK WILLIAM M	Chairman, President ...	Grant	A	37.83	1,083	40,970	8,856	7.8 K to 8.9 K (+13.93 %)
Oct 05 2006	DCI	DONALDSON CO INC	COOK WILLIAM M	Chairman, President ...	Grant	A	36.67	26	953	7,773	7.7 K to 7.8 K (+0.34 %)
Oct 03 2006	DCI	DONALDSON CO INC	COOK WILLIAM M	Chairman, President ...	Payment of Exercise	F	36.90	272	10,037	279,626	279.9 K to 279.6 K (-0.10 %)
Oct 03 2006	DCI	DONALDSON CO INC	COOK WILLIAM M	Chairman, President ...	Grant	A	36.90	18,770	692,613	279,898	261.1 K to 279.9 K (+7.19 %)
Sep 21 2006	DCI	DONALDSON CO INC	COOK WILLIAM M	Chairman, President ...	Grant	A	37.61	26	978	7,747	7.7 K to 7.7 K (+0.34 %)
Sep 15 2006	DCI	DONALDSON CO INC	COOK WILLIAM M	Chairman, President ...	Option Exercise	A	37.65	11,813	444,759	11,813
Sep 15 2006	DCI	DONALDSON CO INC	COOK WILLIAM M	Chairman, President ...	Option Exercise	M	8.13	52,000	422,760	0
Sep 15 2006	DCI	DONALDSON CO INC	COOK WILLIAM M	Chairman, President ...	Payment of Exercise	F	37.65	11,813	444,759	261,070	272.9 K to 261.1 K (-4.33 %)
Sep 15 2006	DCI	DONALDSON CO INC	COOK WILLIAM M	Chairman, President ...	Buy	M	8.13	52,000	422,760	272,420	220.4 K to 272.4 K (+23.59 %)
Sep 07 2006	DCI	DONALDSON CO INC	COOK WILLIAM M	Chairman, President ...	Grant	A	33.16	29	962	7,703	7.7 K to 7.7 K (+0.38 %)
Aug 23 2006	DCI	DONALDSON CO INC	COOK WILLIAM M	Chairman, President ...	Grant	A	33.09	29	960	7,674	7.6 K to 7.7 K (+0.38 %)
Aug 09 2006	DCI	DONALDSON CO INC	COOK WILLIAM M	Chairman, President ...	Grant	A	32.91	29	954	7,645	7.6 K to 7.6 K (+0.38 %)
Jul 27 2006	DCI	DONALDSON CO INC	COOK WILLIAM M	Chairman, President ...	Grant	A	31.98	30	959	7,616	7.6 K to 7.6 K (+0.40 %)
Jul 12 2006	DCI	DONALDSON CO INC	COOK WILLIAM M	Chairman, President ...	Grant	A	32.54	30	976	7,586	7.6 K to 7.6 K (+0.40 %)
Jun 28 2006	DCI	DONALDSON CO INC	COOK WILLIAM M	Chairman, President ...	Grant	A	32.56	30	977	7,556	7.5 K to 7.6 K (+0.40 %)
Jun 14 2006	DCI	DONALDSON CO INC	COOK WILLIAM M	Chairman, President ...	Grant	A	31.91	30	957	7,508	7.5 K to 7.5 K (+0.40 %)
Jun 01 2006	DCI	DONALDSON CO INC	COOK WILLIAM M	Chairman, President ...	Grant	A	32.91	29	954	7,478	7.4 K to 7.5 K (+0.39 %)
May 17 2006	DCI	DONALDSON CO INC	COOK WILLIAM M	Chairman, President ...	Grant	A	31.97	26	831	7,448	7.4 K to 7.4 K (+0.35 %)
May 03 2006	DCI	DONALDSON CO INC	COOK WILLIAM M	Chairman, President ...	Grant	A	32.62	1	33	38,038	38 K to 38 K (0.00 %)
Apr 20 2006	DCI	DONALDSON CO INC	COOK WILLIAM M	Chairman, President ...	Grant	A	33.73	29	978	38,038	38 K to 38 K (+0.08 %)
Apr 20 2006	DCI	DONALDSON CO INC	COOK WILLIAM M	Chairman, President ...	Grant	A	54.60	4	218	4,379	4.4 K to 4.4 K (+0.09 %)
Apr 05 2006	DCI	DONALDSON CO INC	COOK WILLIAM M	Chairman, President ...	Grant	A	33.98	49	1,665	38,009	38 K to 38 K (+0.13 %)
Apr 05 2006	DCI	DONALDSON CO INC	COOK WILLIAM M	Chairman, President ...	Grant	A	54.83	6	329	4,374	4.4 K to 4.4 K (+0.14 %)
Mar 23 2006	DCI	DONALDSON CO INC	COOK WILLIAM M	Chairman, President ...	Grant	A	33.69	25	842	37,961	37.9 K to 38 K (+0.07 %)
Mar 23 2006	DCI	DONALDSON CO INC	COOK WILLIAM M	Chairman, President ...	Grant	A	54.38	3	163	4,364	4.4 K to 4.4 K (+0.07 %)
Mar 09 2006	DCI	DONALDSON CO INC	COOK WILLIAM M	Chairman, President ...	Grant	A	32.51	26	845	37,844	37.8 K to 37.8 K (+0.07 %)
Mar 09 2006	DCI	DONALDSON CO INC	COOK WILLIAM M	Chairman, President ...	Grant	A	52.43	3	157	4,361	4.4 K to 4.4 K (+0.07 %)
Feb 22 2006	DCI	DONALDSON CO INC	COOK WILLIAM M	Chairman, President ...	Grant	A	35.18	24	844	37,818	37.8 K to 37.8 K (+0.06 %)
Feb 22 2006	DCI	DONALDSON CO INC	COOK WILLIAM M	Chairman, President ...	Grant	A	57.08	3	171	4,354	4.4 K to 4.4 K (+0.07 %)
Feb 09 2006	DCI	DONALDSON CO INC	COOK WILLIAM M	Chairman, President ...	Grant	A	34.13	25	853	37,794	37.8 K to 37.8 K (+0.07 %)
Feb 09 2006	DCI	DONALDSON CO INC	COOK WILLIAM M	Chairman, President ...	Grant	A	55.18	3	166	4,341	4.3 K to 4.3 K (+0.07 %)
Jan 25 2006	DCI	DONALDSON CO INC	COOK WILLIAM M	Chairman, President ...	Grant	A	33.22	25	831	37,770	37.7 K to 37.8 K (+0.07 %)
Jan 25 2006	DCI	DONALDSON CO INC	COOK WILLIAM M	Chairman, President ...	Grant	A	54.42	3	163	4,245	4.2 K to 4.2 K (+0.07 %)
Jan 23 2006	DCI	DONALDSON CO INC	COOK WILLIAM M	Chairman, President ...	Grant	A	32.53	32	1,041	37,744	37.7 K to 37.7 K (+0.08 %)
Jan 23 2006	DCI	DONALDSON CO INC	COOK WILLIAM M	Chairman, President ...	Grant	A	32.55	142	4,622	7,405	7.3 K to 7.4 K (+1.96 %)
Jan 12 2006	DCI	DONALDSON CO INC	COOK WILLIAM M	Chairman, President ...	Grant	A	33.20	25	830	37,712	37.7 K to 37.7 K (+0.07 %)
Jan 12 2006	DCI	DONALDSON CO INC	COOK WILLIAM M	Chairman, President ...	Grant	A	53.73	2	107	4,333	4.3 K to 4.3 K (+0.05 %)
Jan 12 2006	DCI	DONALDSON CO INC	COOK WILLIAM M	Chairman, President ...	Gift	G	0.00	3,600	0	3,900	7.5 K to 3.9 K (-48.00 %)
Dec 30 2005	DCI	DONALDSON CO INC	COOK WILLIAM M	Chairman, President ...	Grant	A	31.95	26	831	7,263	7.2 K to 7.3 K (+0.36 %)
Dec 19 2005	DCI	DONALDSON CO INC	COOK WILLIAM M	Chairman, President ...	Option Exercise	A	32.80	53,000	1,738,400	53,000
Dec 15 2005	DCI	DONALDSON CO INC	COOK WILLIAM M	Chairman, President ...	Grant	A	33.03	26	859	7,236	7.2 K to 7.2 K (+0.36 %)
Dec 07 2005	DCI	DONALDSON CO INC	COOK WILLIAM M	Chairman, President ...	Option Exercise	M	32.10	22,014	706,649	0
Dec 07 2005	DCI	DONALDSON CO INC	COOK WILLIAM M	Chairman, President ...	Payment of Exercise	F	33.48	21,507	720,054	218,817	240.3 K to 218.8 K (-8.95 %)
Dec 07 2005	DCI	DONALDSON CO INC	COOK WILLIAM M	Chairman, President ...	Buy	M	32.10	22,014	706,649	240,324	218.3 K to 240.3 K (+10.08 %)
Nov 30 2005	DCI	DONALDSON CO INC	COOK WILLIAM M	Chairman, President ...	Grant	A	31.77	27	858	7,193	7.2 K to 7.2 K (+0.38 %)
Nov 16 2005	DCI	DONALDSON CO INC	COOK WILLIAM M	Chairman, President ...	Grant	A	30.80	27	832	7,167	7.1 K to 7.2 K (+0.38 %)
Nov 02 2005	DCI	DONALDSON CO INC	COOK WILLIAM M	Chairman, President ...	Grant	A	31.12	27	840	7,139	7.1 K to 7.1 K (+0.38 %)

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