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United States Professional & Commercial Services

Donaldson Company Inc (DCI)

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Over the last 90 days, Donaldson Company Inc. has seen significant insider selling, with a net value of -$3,515,565.87. Executives contributed -$1,750,382.0 to this net sell-off. Notable transactions include multiple sales by James J. Owens and Guillermo Briseno Deibert, totaling millions in value. The company's stock has experienced a 1.1% price change over the same period.
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Ticker: DCI Exchange: NYS
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• Purchase • Sale • Planned purchase • Planned sale Net purchase Net sale Activity signal Earnings
Top insiders
Trades
Owens James
2 sales — total 1,226,905 USD
Sale 14 Apr 2026
Value US$4,123,668.84 | Price 224.37 | Shares 20,841
Sale 14 Apr 2026
Value US$1,830,586.77 | Price 133.08 | Shares 44,044
Proposed sale 14 Apr 2026
Value US$882,918.92 | Price 396.97 | Shares 28,615
Sale 13 Apr 2026
Value US$527,087.42 | Price 89.02 | Shares 5,921
Proposed sale 13 Apr 2026
Value US$527,055.45 | Price 89.01 | Shares 5,921
Sale 10 Apr 2026
Value US$11,191.32 | Price 88.82 | Shares 126
Proposed sale 10 Apr 2026
Value US$11,191.16 | Price 88.82 | Shares 126
Sale 26 Mar 2026
Value US$730,742.00 | Price 84.97 | Shares 8,600
Sale 26 Mar 2026
Value US$1,019,640.00 | Price 84.97 | Shares 12,000
Proposed sale 26 Mar 2026
Value US$1,750,408.78 | Price 84.97 | Shares 20,600
Proposed sale 29 Jan 2026
Value US$140,526.78 | Price 101.83 | Shares 1,380
Proposed sale 22 Jan 2026
Value US$84,619.24 | Price 103.19 | Shares 820
Proposed sale 2 Jan 2026
Value US$988,049.70 | Price 89.82 | Shares 11,000
Sale 9 Dec 2025
Value US$51,828.62 | Price 91.57 | Shares 566
Proposed sale 9 Dec 2025
Value US$51,829.24 | Price 91.57 | Shares 566
Sale 5 Dec 2025
Value US$607,464.00 | Price 92.04 | Shares 6,600
Sale 5 Dec 2025
Value US$1,214,928.00 | Price 92.04 | Shares 13,200
Proposed sale 5 Dec 2025
Value US$1,822,372.20 | Price 92.04 | Shares 19,800
Proposed sale 15 Oct 2025
Value US$645,775.77 | Price 82.24 | Shares 7,852
Sale 3 Sep 2025
Value US$1,066,905.00 | Price 79.03 | Shares 13,500
Proposed sale 3 Sep 2025
Value US$1,066,871.25 | Price 79.03 | Shares 13,500
Sale 28 Aug 2025
Value US$8,102,310.00 | Price 80.62 | Shares 100,500
Sale 28 Aug 2025
Value US$1,511,635.00 | Price 81.71 | Shares 18,500
Sale 28 Aug 2025
Value US$245,880.00 | Price 81.96 | Shares 3,000
Sale 28 Aug 2025
Value US$1,055,472.00 | Price 79.96 | Shares 13,200
Sale 28 Aug 2025
Value US$1,495,252.00 | Price 79.96 | Shares 18,700
Proposed sale 28 Aug 2025
Value US$245,879.40 | Price 81.96 | Shares 3,000
Proposed sale 28 Aug 2025
Value US$1,511,666.45 | Price 81.71 | Shares 18,500
Proposed sale 28 Aug 2025
Value US$2,550,593.21 | Price 79.96 | Shares 31,900
Proposed sale 28 Aug 2025
Value US$8,101,998.45 | Price 80.62 | Shares 100,500
Proposed sale 10 Jul 2025
Value US$3,285,006.20 | Price 71.71 | Shares 45,808
Sale 10 Jul 2025
Value US$3,284,891.68 | Price 71.71 | Shares 45,808
Sale 9 Jul 2025
Value US$153,289.00 | Price 71.00 | Shares 2,159
Proposed sale 9 Jul 2025
Value US$153,289.00 | Price 71.00 | Shares 2,159
Sale 8 Jul 2025
Value US$855,185.31 | Price 71.07 | Shares 12,033
Proposed sale 8 Jul 2025
Value US$855,154.02 | Price 71.07 | Shares 12,033
Sale 4 Jun 2025
Value US$486,570.00 | Price 69.51 | Shares 7,000
Proposed sale 4 Jun 2025
Value US$486,588.90 | Price 69.51 | Shares 7,000
Sale 10 Apr 2025
Value US$1,159,774.00 | Price 62.02 | Shares 18,700
Proposed sale 10 Apr 2025
Value US$1,159,835.71 | Price 62.02 | Shares 18,700
Sale 17 Mar 2025
Value US$1,972,770.00 | Price 69.22 | Shares 28,500
Proposed sale 17 Mar 2025
Value US$1,972,678.80 | Price 69.22 | Shares 28,500
Proposed sale 5 Mar 2025
Value US$477,547.00 | Price 68.22 | Shares 7,000
Sale 5 Mar 2025
Value US$477,540.00 | Price 68.22 | Shares 7,000
Sale 28 Feb 2025
Value US$2,032,255.00 | Price 68.89 | Shares 29,500
Proposed sale 28 Feb 2025
Value US$2,032,190.10 | Price 68.89 | Shares 29,500
Sale 2 Jan 2025
Value US$135,900.00 | Price 67.95 | Shares 2,000
Sale 2 Jan 2025
Value US$946,400.00 | Price 67.60 | Shares 14,000
Proposed sale 2 Jan 2025
Value US$135,890.00 | Price 67.95 | Shares 2,000
Proposed sale 2 Jan 2025
Value US$946,450.40 | Price 67.60 | Shares 14,000
Proposed sale 11 Dec 2024
Value US$136,804.21 | Price 72.88 | Shares 1,877
Sale 9 Oct 2024
Value US$182,900.00 | Price 73.16 | Shares 2,500
Proposed sale 8 Oct 2024
Value US$182,800.00 | Price 73.12 | Shares 2,500
Sale 7 Oct 2024
Value US$314,952.35 | Price 73.33 | Shares 4,295
Proposed sale 7 Oct 2024
Value US$314,932.59 | Price 73.33 | Shares 4,295
Sale 4 Oct 2024
Value US$198,099.00 | Price 73.37 | Shares 2,700
Proposed sale 4 Oct 2024
Value US$198,103.59 | Price 73.37 | Shares 2,700
Sale 27 Sep 2024
Value US$3,302,184.00 | Price 74.04 | Shares 44,600
Sale 27 Sep 2024
Value US$2,887,560.00 | Price 74.04 | Shares 39,000
Proposed sale 27 Sep 2024
Value US$6,189,451.40 | Price 74.04 | Shares 83,600
Sale 23 Sep 2024
Value US$2,247,502.11 | Price 72.69 | Shares 30,919
Proposed sale 23 Sep 2024
Value US$2,247,520.66 | Price 72.69 | Shares 30,919
Sale 20 Sep 2024
Value US$1,746,354.12 | Price 72.52 | Shares 24,081
Proposed sale 20 Sep 2024
Value US$1,746,284.29 | Price 72.52 | Shares 24,081
Sale 19 Sep 2024
Value US$1,056,905.00 | Price 72.89 | Shares 14,500
Proposed sale 19 Sep 2024
Value US$1,056,952.85 | Price 72.89 | Shares 14,500
Sale 18 Sep 2024
Value US$373,765.40 | Price 71.74 | Shares 5,210
Proposed sale 18 Sep 2024
Value US$373,736.75 | Price 71.73 | Shares 5,210
Sale 17 Sep 2024
Value US$636,571.80 | Price 72.42 | Shares 8,790
Proposed sale 17 Sep 2024
Value US$636,576.20 | Price 72.42 | Shares 8,790
Sale 2 Jul 2024
Value US$2,668,472.00 | Price 70.97 | Shares 37,600
Proposed sale 2 Jul 2024
Value US$2,668,314.08 | Price 70.97 | Shares 37,600
Sale 20 Mar 2024
Value US$330,930.00 | Price 73.54 | Shares 4,500
Proposed sale 20 Mar 2024
Value US$330,912.45 | Price 73.54 | Shares 4,500
Proposed sale 19 Mar 2024
Value US$371,979.61 | Price 73.11 | Shares 5,088
Abbreviations B: Buy, S: Sell, PP: Planned purchase, PlS: Planned sale, PrS: Proposed sale, O: Option / Other
Notification date Transaction date B/S Transaction type Insider and/or position Nb. shares
Price
Value 		Number of shares Price Value Details
2026-04-14 2026-04-14 S Sale
2.7
Owens James
Non-Executive Director
20,841 +37.8%
224.37
US$4,123,669 		20,841 +37.8% 224.37 US$4,123,669
2026-04-14 2026-04-14 S Sale
2.7
Owens James
Non-Executive Director
44,044 +9.8%
133.08
US$1,830,587 		44,044 +9.8% 133.08 US$1,830,587
2026-04-14 2026-04-14 PrS Proposed sale
2.7
JAMES J OWENS

Officer

Officer
28,615
396.97
US$882,919 		28,615 396.97 US$882,919
2026-04-14 2026-04-13 S Sale
2.7
Owens James
Non-Executive Director
5,921 -20.8%
89.02
US$527,087 		5,921 -20.8% 89.02 US$527,087
2026-04-13 2026-04-13 PrS Proposed sale
2.7
JAMES J OWENS

Officer

Officer
5,921
89.01
US$527,055 		5,921 89.01 US$527,055
2026-04-14 2026-04-10 S Sale
2.7
Owens James
Non-Executive Director
126 -0.6%
88.82
US$11,191 		126 -0.6% 88.82 US$11,191
2026-04-10 2026-04-10 PrS Proposed sale
2.7
JAMES J OWENS

Officer

Officer
126
88.82
US$11,191 		126 88.82 US$11,191
2026-03-27 2026-03-26 S Sale
1.4
Briseno Guillermo

President

Officer
8,600 -22.7%
84.97
US$730,742 		8,600 -22.7% 84.97 US$730,742
2026-03-27 2026-03-26 S Sale
1.4
Briseno Guillermo

President

Officer
12,000 -29.1%
84.97
US$1,019,640 		12,000 -29.1% 84.97 US$1,019,640
2026-03-26 2026-03-26 PrS Proposed sale
1.4
GUILLERMO BRISENO DEIBERT

Officer

Officer
20,600
84.97
US$1,750,409 		20,600 84.97 US$1,750,409
2026-01-29 2026-01-29 PrS Proposed sale
3.3
WILLARD OBERTON

Former Affiliate
1,380
101.83
US$140,527 		1,380 101.83 US$140,527
2026-01-22 2026-01-22 PrS Proposed sale
3.3
WILLARD OBERTON

Former Affiliate
820
103.19
US$84,619 		820 103.19 US$84,619
2026-01-02 2026-01-02 PrS Proposed sale
3.3
WILLARD OBERTON

Former director

Non-Executive Director
11,000
89.82
US$988,050 		11,000 89.82 US$988,050
2025-12-10 2025-12-09 S Sale
2.1
Pogalz Bradley J.

Chief Financial Officer

Officer
566 -56.6%
91.57
US$51,829 		566 -56.6% 91.57 US$51,829
2025-12-09 2025-12-09 PrS Proposed sale
2.1
BRADLEY J POGALZ

Officer

Officer
566
91.57
US$51,829 		566 91.57 US$51,829
2025-12-08 2025-12-05 S Sale
3.1
Rajendra Ajita G
Non-Executive Director
6,600 -13.0%
92.04
US$607,464 		6,600 -13.0% 92.04 US$607,464
2025-12-08 2025-12-05 S Sale
3.1
Rajendra Ajita G
Non-Executive Director
13,200 -23.1%
92.04
US$1,214,928 		13,200 -23.1% 92.04 US$1,214,928
2025-12-05 2025-12-05 PrS Proposed sale
3.1
AJITA G RAJENDRA

Director

Non-Executive Director
19,800
92.04
US$1,822,372 		19,800 92.04 US$1,822,372
2025-10-15 2025-10-15 PrS Proposed sale
2.0
ANDREW DAHLGREN

Former officer

Officer
7,852
82.24
US$645,776 		7,852 82.24 US$645,776
2025-09-04 2025-09-03 S Sale
1.4
Briseno Guillermo

President

Officer
13,500 -34.8%
79.03
US$1,066,905 		13,500 -34.8% 79.03 US$1,066,905
2025-09-03 2025-09-03 PrS Proposed sale
1.4
GUILLERMO BRISENO DEIBERT

Officer

Officer
13,500
79.03
US$1,066,871 		13,500 79.03 US$1,066,871
2025-09-02 2025-08-28 S Sale
2.5
Carpenter Tod E.

Chairman, President and CEO

Executive Director
100,500 -26.4%
80.62
US$8,102,310 		100,500 -26.4% 80.62 US$8,102,310
2025-09-02 2025-08-28 S Sale
2.8
Becker Amy C

Chief Legal Officer

Officer
18,500 -29.3%
81.71
US$1,511,635 		18,500 -29.3% 81.71 US$1,511,635
2025-09-02 2025-08-28 S Sale
2.0
Dahlgren Andrew C

President

Officer
3,000 -28.6%
81.96
US$245,880 		3,000 -28.6% 81.96 US$245,880
2025-09-02 2025-08-28 S Sale
1.5
Rautio Trudy A.
Non-Executive Director
13,200 -31.0%
79.96
US$1,055,472 		13,200 -31.0% 79.96 US$1,055,472
2025-09-02 2025-08-28 S Sale
1.5
Rautio Trudy A.
Non-Executive Director
18,700 -38.9%
79.96
US$1,495,252 		18,700 -38.9% 79.96 US$1,495,252
2025-08-28 2025-08-28 PrS Proposed sale
2.0
ANDREW DAHLGREN

Officer

Officer
3,000
81.96
US$245,879 		3,000 81.96 US$245,879
2025-08-28 2025-08-28 PrS Proposed sale
2.8
AMY BECKER

Officer

Officer
18,500
81.71
US$1,511,666 		18,500 81.71 US$1,511,666
2025-08-28 2025-08-28 PrS Proposed sale
1.5
TRUDY A RAUTIO

Director

Non-Executive Director
31,900
79.96
US$2,550,593 		31,900 79.96 US$2,550,593
2025-08-28 2025-08-28 PrS Proposed sale
2.5
TOD E CARPENTER

Officer; Director

Executive Director
100,500
80.62
US$8,101,998 		100,500 80.62 US$8,101,998
2025-07-10 2025-07-10 PrS Proposed sale
2.5
TOD CARPENTER

Officer

Officer
45,808
71.71
US$3,285,006 		45,808 71.71 US$3,285,006
2025-07-10 2025-07-10 S Sale
2.5
Carpenter Tod E.

Chairman, President and CEO

Executive Director
45,808 -14.0%
71.71
US$3,284,892 		45,808 -14.0% 71.71 US$3,284,892
2025-07-10 2025-07-09 S Sale
2.5
Carpenter Tod E.

Chairman, President and CEO

Executive Director
2,159 -0.8%
71.00
US$153,289 		2,159 -0.8% 71.00 US$153,289
2025-07-09 2025-07-09 PrS Proposed sale
2.5
TOD CARPENTER

Officer

Officer
2,159
71.00
US$153,289 		2,159 71.00 US$153,289
2025-07-10 2025-07-08 S Sale
2.5
Carpenter Tod E.

Chairman, President and CEO

Executive Director
12,033 -4.1%
71.07
US$855,185 		12,033 -4.1% 71.07 US$855,185
2025-07-08 2025-07-08 PrS Proposed sale
2.5
TOD CARPENTER

Officer

Officer
12,033
71.07
US$855,154 		12,033 71.07 US$855,154
2025-06-05 2025-06-04 S Sale
3.3
OBERTON WILLARD D
Non-Executive Director
7,000 -19.1%
69.51
US$486,570 		7,000 -19.1% 69.51 US$486,570
2025-06-04 2025-06-04 PrS Proposed sale
3.3
WILLARD OBERTON

Officer

Officer
7,000
69.51
US$486,589 		7,000 69.51 US$486,589
2025-04-11 2025-04-10 S Sale
2.7
Owens James
Non-Executive Director
18,700 -48.0%
62.02
US$1,159,774 		18,700 -48.0% 62.02 US$1,159,774
2025-04-10 2025-04-10 PrS Proposed sale
2.7
JAMES J OWENS

Director

Non-Executive Director
18,700
62.02
US$1,159,836 		18,700 62.02 US$1,159,836
2025-03-18 2025-03-17 S Sale
3.0
SCALF THOMAS R

President

Officer
28,500 -50.1%
69.22
US$1,972,770 		28,500 -50.1% 69.22 US$1,972,770
2025-03-17 2025-03-17 PrS Proposed sale
3.0
THOMAS SCALF

Officer

Officer
28,500
69.22
US$1,972,679 		28,500 69.22 US$1,972,679
2025-03-05 2025-03-05 PrS Proposed sale
3.3
WILLARD OBERTON

Director

Non-Executive Director
7,000
68.22
US$477,547 		7,000 68.22 US$477,547
2025-03-05 2025-03-05 S Sale
3.3
OBERTON WILLARD D
Non-Executive Director
7,000 -19.1%
68.22
US$477,540 		7,000 -19.1% 68.22 US$477,540
2025-03-03 2025-02-28 S Sale
3.0
SCALF THOMAS R

President

Officer
29,500 -51.0%
68.89
US$2,032,255 		29,500 -51.0% 68.89 US$2,032,255
2025-02-28 2025-02-28 PrS Proposed sale
3.0
THOMAS SCALF

Officer

Officer
29,500
68.89
US$2,032,190 		29,500 68.89 US$2,032,190
2025-01-06 2025-01-02 S Sale
3.3
OBERTON WILLARD D
Non-Executive Director
2,000 -6.6%
67.95
US$135,900 		2,000 -6.6% 67.95 US$135,900
2025-01-06 2025-01-02 S Sale
1.5
Rautio Trudy A.
Non-Executive Director
14,000 -34.6%
67.60
US$946,400 		14,000 -34.6% 67.60 US$946,400
2025-01-02 2025-01-02 PrS Proposed sale
3.3
WILLARD OBERTON

Officer; Director

Executive Director
2,000
67.95
US$135,890 		2,000 67.95 US$135,890
2025-01-02 2025-01-02 PrS Proposed sale
1.5
TRUDY ANN RAUTIO

Officer; Director

Executive Director
14,000
67.60
US$946,450 		14,000 67.60 US$946,450
2024-12-11 2024-12-11 PrS Proposed sale
2.1
SHEILA G KRAMER

Officer

Officer
1,877
72.88
US$136,804 		1,877 72.88 US$136,804
2024-10-09 2024-10-09 S Sale
3.0
SCALF THOMAS R

President

Officer
2,500 -8.1%
73.16
US$182,900 		2,500 -8.1% 73.16 US$182,900
2024-10-08 2024-10-08 PrS Proposed sale
3.0
SCALF THOMAS R

Officer

Officer
2,500
73.12
US$182,800 		2,500 73.12 US$182,800
2024-10-09 2024-10-07 S Sale
3.0
SCALF THOMAS R

President

Officer
4,295 -12.2%
73.33
US$314,952 		4,295 -12.2% 73.33 US$314,952
2024-10-07 2024-10-07 PrS Proposed sale
3.0
THOMAS SCALF

Officer

Officer
4,295
73.33
US$314,933 		4,295 73.33 US$314,933
2024-10-08 2024-10-04 S Sale
3.3
OBERTON WILLARD D
Non-Executive Director
2,700 -8.8%
73.37
US$198,099 		2,700 -8.8% 73.37 US$198,099
2024-10-04 2024-10-04 PrS Proposed sale
3.3
WILLARD OBERTON

Officer; Director

Executive Director
2,700
73.37
US$198,104 		2,700 73.37 US$198,104
2024-09-30 2024-09-27 S Sale
3.0
Robinson Scott J.

Chief Financial Officer

Officer
44,600 -54.2%
74.04
US$3,302,184 		44,600 -54.2% 74.04 US$3,302,184
2024-09-30 2024-09-27 S Sale
3.0
Robinson Scott J.

Chief Financial Officer

Officer
39,000 -50.8%
74.04
US$2,887,560 		39,000 -50.8% 74.04 US$2,887,560
2024-09-27 2024-09-27 PrS Proposed sale
3.0
SCOTT ROBINSON

Officer

Officer
83,600
74.04
US$6,189,451 		83,600 74.04 US$6,189,451
2024-09-24 2024-09-23 S Sale
2.5
Carpenter Tod E.

Chairman, President and CEO

Executive Director
30,919 -10.7%
72.69
US$2,247,502 		30,919 -10.7% 72.69 US$2,247,502
2024-09-23 2024-09-23 PrS Proposed sale
2.5
TOD CARPENTER

Officer

Officer
30,919
72.69
US$2,247,521 		30,919 72.69 US$2,247,521
2024-09-24 2024-09-20 S Sale
2.5
Carpenter Tod E.

Chairman, President and CEO

Executive Director
24,081 -8.6%
72.52
US$1,746,354 		24,081 -8.6% 72.52 US$1,746,354
2024-09-20 2024-09-20 PrS Proposed sale
2.5
TOD CARPENTER

Officer

Officer
24,081
72.52
US$1,746,284 		24,081 72.52 US$1,746,284
2024-09-23 2024-09-19 S Sale
2.8
Becker Amy C

Chief Legal Officer

Officer
14,500 -26.0%
72.89
US$1,056,905 		14,500 -26.0% 72.89 US$1,056,905
2024-09-19 2024-09-19 PrS Proposed sale
2.8
AMY BECKER

Officer

Officer
14,500
72.89
US$1,056,953 		14,500 72.89 US$1,056,953
2024-09-19 2024-09-18 S Sale
2.7
Owens James
Non-Executive Director
5,210 -22.7%
71.74
US$373,765 		5,210 -22.7% 71.74 US$373,765
2024-09-18 2024-09-18 PrS Proposed sale
2.7
JAMES J OWENS

Director

Non-Executive Director
5,210
71.73
US$373,737 		5,210 71.73 US$373,737
2024-09-19 2024-09-17 S Sale
2.7
Owens James
Non-Executive Director
8,790 -33.1%
72.42
US$636,572 		8,790 -33.1% 72.42 US$636,572
2024-09-17 2024-09-17 PrS Proposed sale
2.7
JAMES J OWENS

Director

Non-Executive Director
8,790
72.42
US$636,576 		8,790 72.42 US$636,576
2024-07-03 2024-07-02 S Sale
3.0
Robinson Scott J.

Chief Financial Officer

Officer
37,600 -49.9%
70.97
US$2,668,472 		37,600 -49.9% 70.97 US$2,668,472
2024-07-02 2024-07-02 PrS Proposed sale
3.0
SCOTT ROBINSON

Officer

Officer
37,600
70.97
US$2,668,314 		37,600 70.97 US$2,668,314
2024-03-21 2024-03-20 S Sale
3.3
OBERTON WILLARD D
Non-Executive Director
4,500 -14.0%
73.54
US$330,930 		4,500 -14.0% 73.54 US$330,930
2024-03-20 2024-03-20 PrS Proposed sale
3.3
WILLARD OBERTON

Officer; Director

Executive Director
4,500
73.54
US$330,912 		4,500 73.54 US$330,912
2024-03-19 2024-03-19 PrS Proposed sale
3.0
SCOTT ROBINSON

Officer

Officer
5,088
73.11
US$371,980 		5,088 73.11 US$371,980
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