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DONALDSON Co INC

DCI Net selling
CIK 0000029644 #5643 in the set updated 17 Sep 2026
Bought (120 mo)
$282.29K
out of their own pocket, the only kind of buying there is
Sold (120 mo)
$84.65M
$0.00 on a plan · $79.89M straight out of an exercise
Sold at will
$4.76M
18 of 111 sales
Net
−$84.37M
−$4.48M against sales at will

By person

28 insiders · 149 transactions
Insider
Role
Bought
Sold
Net
Holding
Of company
Worth
Change
Carpenter Tod E.
Chairman, President and CEO
—
$21.77M (13) scheduled
−$21.77M
321,980
0.2778%
$29.33M
+286.4%
Robinson Scott J.
Chief Financial Officer
—
$13.23M (7) scheduled
−$13.23M
38,365
0.0331%
$3.50M
+4,122%
OBERTON WILLARD D
Director
—
$7.56M (18) scheduled
−$7.56M
29,834
0.0257%
$2.72M
+85.8%
SCALF THOMAS R
President
—
$7.00M (14) scheduled
−$7.00M
35,284
0.0304%
$3.21M
+59.3%
Rajendra Ajita G
Director
—
$6.71M (11) scheduled
−$6.71M
44,997
0.0388%
$4.10M
+178.9%
Owens James
Director
—
$5.34M (10) scheduled
−$5.34M
22,913
0.0198%
$2.09M
+403.6%
WIEHOFF JOHN
Director
—
$3.67M (5) scheduled
−$3.67M
63,917
0.0551%
$5.82M
+34.4%
Rautio Trudy A.
Director
—
$3.50M (3) scheduled
−$3.50M
28,106
0.0242%
$2.56M
+374.5%
Kramer Sheila G.
Chief Human Resources Officer
—
$3.35M (3) scheduled
−$3.35M
27,997
0.0242%
$2.55M
+1,703%
Becker Amy C
Chief Legal Officer
—
$3.11M (5) scheduled
−$3.11M
54,853
0.0473%
$5.00M
+178.4%
Briseno Guillermo
President
—
$2.99M (4) scheduled
−$2.99M
29,267
0.0252%
$2.67M
+181.5%
HOFFMAN MICHAEL J
Director
—
$2.24M (3) scheduled
−$2.24M
65,543
0.0565%
$5.97M
+125.8%
Milroy Douglas A.
Director
$52.38K (2)
$1.68M (1) scheduled
−$1.63M
4,183
0.0036%
$381.07K
—
Vermeersch Wim
Vice President
—
$1.49M (3)
−$1.49M
4,669
0.0040%
$425.35K
−58.5%
Dahlgren Andrew C
President
—
$394.11K (2) scheduled
−$394.11K
7,504
0.0065%
$683.61K
+547.5%
Hilger Christopher M.
Director
$199.95K (1)
—
+$199.95K
16,244
0.0140%
$1.48M
+2,775%
Lewis Richard Brent
President
—
$189.30K (2) scheduled
−$189.30K
47,463
0.0409%
$4.32M
+529.8%
Spethmann Jeffrey E
Senior Vice President
$29.95K (1)
$165.67K (1)
−$135.72K
27,745
0.0239%
$2.53M
+163.5%
Keller Peter Joseph
Corporate Controller
—
$118.02K (1) scheduled
−$118.02K
2,156
0.0019%
$196.41K
0.0%
Osland Melissa A.
Controller
—
$97.18K (4) scheduled
−$97.18K
7,252
0.0063%
$660.66K
+24.9%
Pogalz Bradley J.
Chief Financial Officer
—
$51.83K (1) scheduled
−$51.83K
2,240
0.0019%
$204.06K
+139.6%
NODDLE JEFFREY
Director
—
—
—
106,291
0.0917%
$9.68M
+16.3%
Cruz Pilar
Director
—
—
—
16,747
0.0144%
$1.53M
+1,399%
Smiley Jacinth C
Director
—
—
—
8,243
0.0071%
$750.94K
+3,133%
CECERE ANDREW
Director
—
—
—
8,216
0.0071%
$748.48K
+382.2%
Olson Richard M
Director
—
—
—
6,090
0.0053%
$554.80K
+3,105%
CEBULLA ANDREW J.
Corporate Controller
—
—
—
1,638
0.0014%
$149.22K
+1,170%
Shine Daniel P
Director
—
—
—
1,000
0.0009%
$91.10K
—

Individual transactions

149
Insider
Date
Role
Action
Shares
Price
Amount
Carpenter Tod E.
4 Sep 2026
Chairman, President and CEO
Sold after exercise
31,968
$91.10
$2.91M
Carpenter Tod E.
31 Aug 2026
Chairman, President and CEO
Sold after exercise
3,032
$91.00
$275.91K
Pogalz Bradley J.
27 Aug 2026
Chief Financial Officer
Exercised, kept
3,000
$42.72
$128.16K
Owens James
14 Apr 2026
Director
Sold after exercise
6,600
$89.21
$588.79K
Owens James
14 Apr 2026
Director
Sold after exercise
7,153
$89.21
$638.12K
Owens James
13 Apr 2026
Director
Sold after exercise
5,921
$89.02
$527.09K
Owens James
10 Apr 2026
Director
Sold after exercise
126
$88.82
$11.19K
Briseno Guillermo
26 Mar 2026
President
Sold after exercise
8,600
$84.97
$730.74K
Briseno Guillermo
26 Mar 2026
President
Sold after exercise
12,000
$84.97
$1.02M
Pogalz Bradley J.
9 Dec 2025
Chief Financial Officer
Sold after exercise
566
$91.57
$51.83K
Rajendra Ajita G
5 Dec 2025
Director
Sold after exercise
6,600
$92.04
$607.46K
Rajendra Ajita G
5 Dec 2025
Director
Sold after exercise
13,200
$92.04
$1.21M
Lewis Richard Brent
2 Oct 2025
President
Exercised, kept
13,500
$28.00
$378.00K
Briseno Guillermo
3 Sep 2025
President
Sold after exercise
13,500
$79.03
$1.07M
Becker Amy C
28 Aug 2025
Chief Legal Officer
Sold after exercise
18,500
$81.71
$1.51M
Carpenter Tod E.
28 Aug 2025
Chairman, President and CEO
Sold after exercise
100,500
$80.62
$8.10M
Dahlgren Andrew C
28 Aug 2025
President
Sold after exercise
3,000
$81.96
$245.88K
Rautio Trudy A.
28 Aug 2025
Director
Sold after exercise
13,200
$79.96
$1.06M
Rautio Trudy A.
28 Aug 2025
Director
Sold after exercise
18,700
$79.96
$1.50M
Carpenter Tod E.
10 Jul 2025
Chairman, President and CEO
Sold after exercise
45,808
$71.71
$3.28M
Carpenter Tod E.
9 Jul 2025
Chairman, President and CEO
Sold after exercise
2,159
$71.00
$153.29K
Carpenter Tod E.
8 Jul 2025
Chairman, President and CEO
Sold after exercise
12,033
$71.07
$855.19K
OBERTON WILLARD D
4 Jun 2025
Director
Sold after exercise
7,000
$69.51
$486.57K
Lewis Richard Brent
4 Jun 2025
President
Exercised, kept
10,000
$35.80
$358.00K
Owens James
10 Apr 2025
Director
Sold after exercise
18,700
$62.02
$1.16M
SCALF THOMAS R
17 Mar 2025
President
Sold after exercise
28,500
$69.22
$1.97M
OBERTON WILLARD D
5 Mar 2025
Director
Sold after exercise
7,000
$68.22
$477.54K
SCALF THOMAS R
28 Feb 2025
President
Sold after exercise
29,500
$68.89
$2.03M
OBERTON WILLARD D
2 Jan 2025
Director
Sold after exercise
2,000
$67.95
$135.90K
Rautio Trudy A.
2 Jan 2025
Director
Sold after exercise
14,000
$67.60
$946.40K
SCALF THOMAS R
9 Oct 2024
President
Sell
2,500
$73.16
$182.90K
SCALF THOMAS R
7 Oct 2024
President
Sell
4,295
$73.33
$314.95K
OBERTON WILLARD D
4 Oct 2024
Director
Sold after exercise
2,700
$73.37
$198.10K
Robinson Scott J.
27 Sep 2024
Chief Financial Officer
Sold after exercise
44,600
$74.04
$3.30M
Robinson Scott J.
27 Sep 2024
Chief Financial Officer
Sold after exercise
39,000
$74.04
$2.89M
Carpenter Tod E.
23 Sep 2024
Chairman, President and CEO
Sold after exercise
30,919
$72.69
$2.25M
Carpenter Tod E.
20 Sep 2024
Chairman, President and CEO
Sold after exercise
24,081
$72.52
$1.75M
Becker Amy C
19 Sep 2024
Chief Legal Officer
Sold after exercise
14,500
$72.89
$1.06M
Owens James
18 Sep 2024
Director
Sold after exercise
5,210
$71.74
$373.77K
Owens James
17 Sep 2024
Director
Sold after exercise
8,790
$72.42
$636.57K
Briseno Guillermo
3 Sep 2024
President
Exercised, kept
12,000
$38.78
$465.36K
Robinson Scott J.
2 Jul 2024
Chief Financial Officer
Sold after exercise
37,600
$70.97
$2.67M
Lewis Richard Brent
14 Jun 2024
President
Exercised, kept
3,000
$38.78
$116.34K
OBERTON WILLARD D
20 Mar 2024
Director
Sold after exercise
4,500
$73.54
$330.93K
Robinson Scott J.
19 Mar 2024
Chief Financial Officer
Sell
5,088
$73.11
$371.98K
Robinson Scott J.
18 Mar 2024
Chief Financial Officer
Sold after exercise
31,912
$73.29
$2.34M
Kramer Sheila G.
15 Mar 2024
Chief Human Resources Officer
Sold after exercise
15,000
$73.52
$1.10M
Kramer Sheila G.
15 Mar 2024
Chief Human Resources Officer
Sold after exercise
14,500
$73.52
$1.07M
Kramer Sheila G.
15 Mar 2024
Chief Human Resources Officer
Sold after exercise
16,000
$73.52
$1.18M
Rajendra Ajita G
7 Mar 2024
Director
Sold after exercise
18,700
$73.51
$1.37M
SCALF THOMAS R
4 Mar 2024
President
Sell indirect
3,027
$73.09
$221.24K
Dahlgren Andrew C
4 Mar 2024
President
Exercised, kept
2,500
$38.78
$96.95K
Rajendra Ajita G
1 Mar 2024
Director
Sold after exercise
14,000
$72.23
$1.01M
SCALF THOMAS R
1 Mar 2024
President
Sell indirect
7,680
$71.09
$545.97K
OBERTON WILLARD D
29 Feb 2024
Director
Sold after exercise
4,500
$70.41
$316.85K
Carpenter Tod E.
3 Jan 2024
Chairman, President and CEO
Exercised, kept
54,000
$38.78
$2.09M
Carpenter Tod E.
3 Jan 2024
Chairman, President and CEO
Exercised, kept
20,000
$42.68
$853.60K
OBERTON WILLARD D
2 Jan 2024
Director
Sold after exercise
5,000
$64.99
$324.95K
Rajendra Ajita G
11 Dec 2023
Director
Sold after exercise
11,400
$62.24
$709.54K
Briseno Guillermo
6 Dec 2023
President
Sold after exercise
2,737
$61.50
$168.33K
Owens James
1 Dec 2023
Director
Sell
22
$60.89
$1.34K
Owens James
30 Nov 2023
Director
Sold after exercise
11,378
$60.89
$692.81K
Dahlgren Andrew C
10 Oct 2023
President
Exercised, kept
2,500
$42.05
$105.13K
Lewis Richard Brent
5 Sep 2023
President
Exercised, kept
3,000
$42.05
$126.15K
Becker Amy C
30 Aug 2023
Chief Legal Officer
Sold after exercise
3,000
$63.84
$191.52K
Milroy Douglas A.
30 Aug 2023
Director
Sold after exercise
26,300
$63.95
$1.68M
Robinson Scott J.
3 Jul 2023
Chief Financial Officer
Sold after exercise
24,000
$62.44
$1.50M
Hilger Christopher M.
11 Apr 2023
Director
Buy
3,186
$62.76
$199.95K
OBERTON WILLARD D
2 Mar 2023
Director
Sold after exercise
8,400
$65.64
$551.38K
Owens James
2 Mar 2023
Director
Sold after exercise
10,800
$66.08
$713.66K
SCALF THOMAS R
11 Jan 2023
President
Sell
4,500
$61.00
$274.50K
OBERTON WILLARD D
4 Jan 2023
Director
Sold after exercise
200
$59.05
$11.81K
OBERTON WILLARD D
4 Jan 2023
Director
Sold after exercise
2,800
$58.95
$165.06K
Rajendra Ajita G
13 Dec 2022
Director
Sold after exercise
6,912
$60.39
$417.42K
Rajendra Ajita G
2 Dec 2022
Director
Sold after exercise
6,282
$61.07
$383.64K
SCALF THOMAS R
2 Dec 2022
President
Sold after exercise
10,500
$60.95
$639.98K
Becker Amy C
1 Dec 2022
Chief Legal Officer
Sold after exercise
3,500
$60.72
$212.52K
Carpenter Tod E.
1 Dec 2022
Chairman, President and CEO
Exercised, kept
23,500
$42.07
$988.65K
Carpenter Tod E.
1 Dec 2022
Chairman, President and CEO
Exercised, kept
24,500
$33.58
$822.71K
Dahlgren Andrew C
1 Dec 2022
President
Sold after exercise
2,436
$60.85
$148.23K
Rajendra Ajita G
1 Dec 2022
Director
Sold after exercise
1,206
$61.00
$73.57K
SCALF THOMAS R
13 Oct 2022
Senior Vice President
Sold after exercise
7,000
$51.67
$361.69K
Vermeersch Wim
30 Sep 2022
Vice President
Sell
10,000
$50.02
$500.20K
Vermeersch Wim
30 Sep 2022
Vice President
Sell
10,000
$50.00
$500.00K
Vermeersch Wim
29 Sep 2022
Vice President
Sell
10,000
$49.35
$493.50K
Lewis Richard Brent
9 Sep 2022
Senior Vice President
Exercised, kept
3,500
$33.58
$117.53K
OBERTON WILLARD D
1 Sep 2022
Director
Sold after exercise
7,200
$51.35
$369.72K
OBERTON WILLARD D
2 Jun 2022
Director
Sold after exercise
7,200
$53.09
$382.25K
Keller Peter Joseph
29 Dec 2021
Corporate Controller
Sold after exercise
2,000
$59.01
$118.02K
Rajendra Ajita G
28 Dec 2021
Director
Sold after exercise
8,425
$58.59
$493.62K
SCALF THOMAS R
17 Dec 2021
Senior Vice President
Sell
15
$58.12
$871.80
Becker Amy C
3 Dec 2021
Vice President
Exercised, kept
6,000
$34.88
$209.28K
SCALF THOMAS R
3 Dec 2021
Senior Vice President
Sold after exercise
4,000
$55.24
$220.96K
Vermeersch Wim
14 Jul 2021
Vice President
Exercised, kept
14,000
$33.58
$470.12K
WIEHOFF JOHN
22 Jun 2021
Director
Sold after exercise
14,400
$61.94
$891.94K
Lewis Richard Brent
15 Jun 2021
Senior Vice President
Exercised, kept
4,000
$34.88
$139.52K
OBERTON WILLARD D
4 Jun 2021
Director
Sold after exercise
10,000
$64.20
$642.00K
HOFFMAN MICHAEL J
3 Jun 2021
Director
Sold after exercise
14,400
$63.71
$917.42K
Carpenter Tod E.
15 Mar 2021
Chairman, President and CEO
Sold after exercise
21,398
$61.45
$1.31M
Carpenter Tod E.
12 Mar 2021
Chairman, President and CEO
Sold after exercise
500
$61.51
$30.76K
Carpenter Tod E.
11 Mar 2021
Chairman, President and CEO
Sold after exercise
2,102
$61.59
$129.46K
OBERTON WILLARD D
1 Mar 2021
Director
Sold after exercise
4,400
$60.20
$264.88K
Becker Amy C
4 Dec 2020
Vice President
Exercised, kept
6,000
$29.07
$174.42K
SCALF THOMAS R
4 Dec 2020
Senior Vice President
Sold after exercise
1,000
$54.41
$54.41K
HOFFMAN MICHAEL J
9 Oct 2020
Director
Exercised, kept
14,400
$29.50
$424.80K
Carpenter Tod E.
6 Oct 2020
Chairman, President and CEO
Exercised, kept
15,000
$29.07
$436.05K
Rajendra Ajita G
2 Oct 2020
Director
Sold after exercise
8,839
$47.98
$424.10K
Rajendra Ajita G
2 Oct 2020
Director
Sold after exercise
22
$44.90
$987.80
Becker Amy C
8 Jun 2020
Vice President
Sell
2,627
$51.64
$135.66K
Carpenter Tod E.
8 Jun 2020
Chairman, President and CEO
Sell
10,000
$51.36
$513.60K
SCALF THOMAS R
8 Jun 2020
Senior Vice President
Sell
1,250
$50.97
$63.71K
OBERTON WILLARD D
8 Jun 2020
Director
Sold after exercise
14,400
$51.04
$734.98K
WIEHOFF JOHN
8 Jun 2020
Director
Sold after exercise
14,400
$51.03
$734.83K
Lewis Richard Brent
4 Jun 2020
Senior Vice President
Exercised, kept
3,000
$29.07
$87.21K
Robinson Scott J.
9 Mar 2020
Senior Vice President
Sell
4,000
$40.56
$162.24K
SCALF THOMAS R
9 Mar 2020
Senior Vice President
Sell
2,500
$44.93
$112.33K
Spethmann Jeffrey E
9 Mar 2020
Senior Vice President
Sell
3,600
$46.02
$165.67K
Becker Amy C
2 Jan 2020
Vice President
Exercised, kept
6,000
$21.14
$126.84K
HOFFMAN MICHAEL J
6 Dec 2019
Director
Exercised, kept
14,400
$21.44
$308.74K
WIEHOFF JOHN
6 Jun 2019
Director
Sold after exercise
14,400
$47.88
$689.47K
Carpenter Tod E.
29 Mar 2019
Chairman, President and CEO
Sell
4,000
$50.02
$200.08K
OBERTON WILLARD D
28 Mar 2019
Director
Sold after exercise
14,400
$49.10
$707.04K
Milroy Douglas A.
13 Mar 2019
Director
Buy indirect
560
$49.05
$27.47K
Carpenter Tod E.
17 Sep 2018
Chairman, President and CEO
Exercised, kept
18,000
$21.20
$381.60K
Carpenter Tod E.
17 Sep 2018
Chairman, President and CEO
Exercised, kept
17,600
$17.28
$304.13K
Vermeersch Wim
17 Sep 2018
Vice President
Exercised, kept
16,000
$34.88
$558.08K
Vermeersch Wim
17 Sep 2018
Vice President
Exercised, kept
2,500
$29.07
$72.68K
Lewis Richard Brent
14 Sep 2018
Vice President
Sold after exercise
2,222
$58.99
$131.08K
Lewis Richard Brent
14 Sep 2018
Vice President
Sold after exercise
987
$58.99
$58.22K
Becker Amy C
13 Sep 2018
Vice President
Exercised, kept
3,000
$15.87
$47.61K
OBERTON WILLARD D
12 Sep 2018
Director
Sold after exercise
14,400
$56.85
$818.64K
Vermeersch Wim
12 Sep 2018
Vice President
Exercised, kept
3,000
$21.14
$63.42K
HOFFMAN MICHAEL J
5 Jul 2018
Director
Sold after exercise
14,400
$44.70
$643.68K
WIEHOFF JOHN
14 Jun 2018
Director
Sold after exercise
14,400
$47.86
$689.18K
Milroy Douglas A.
13 Mar 2018
Director
Buy
550
$45.30
$24.92K
Osland Melissa A.
14 Dec 2017
Controller
Sold after exercise
286
$48.26
$13.80K
Osland Melissa A.
14 Dec 2017
Controller
Sold after exercise
556
$48.26
$26.83K
Osland Melissa A.
14 Dec 2017
Controller
Sold after exercise
611
$48.26
$29.49K
Carpenter Tod E.
20 Sep 2017
President/CEO
Exercised, kept
11,000
$23.00
$253.00K
NODDLE JEFFREY
11 Sep 2017
Director
Exercised, kept
14,400
$22.77
$327.89K
WIEHOFF JOHN
20 Jun 2017
Director
Sold after exercise
14,400
$46.33
$667.15K
HOFFMAN MICHAEL J
19 Jun 2017
Director
Sold after exercise
14,400
$46.84
$674.50K
Becker Amy C
16 Jun 2017
Vice President
Exercised, kept
6,000
$19.83
$118.98K
Vermeersch Wim
15 Jun 2017
Vice President
Exercised, kept
1,000
$15.87
$15.87K
Vermeersch Wim
15 Jun 2017
Vice President
Exercised, kept
2,000
$19.83
$39.66K
Spethmann Jeffrey E
13 Mar 2017
Senior Vice President
Buy
675
$44.37
$29.95K
OBERTON WILLARD D
7 Mar 2017
Director
Sold after exercise
14,400
$44.86
$645.98K
Osland Melissa A.
3 Jan 2017
Controller
Sold after exercise
642
$42.14
$27.05K
NODDLE JEFFREY
23 Sep 2016
Director
Exercised, kept
14,400
$17.50
$252.00K

What was left out

Form 4 filings counted 627
Amendments (4/A) skipped 1
Filings about a different issuer 0
Unreadable filings 0
Joint filings 0
Sales on a Rule 10b5-1 plan 0
Sales straight out of an exercise 93
Sales at will 18
Transactions with no price 0
Shares from compensation/vesting 3,006,874
Sales filed before the plan box existed 12
History held since 8 Sep 2016