Insider Transactions in Q3 2025 at Donaldson CO Inc (DCI)
Insider Transaction List (Q3 2025)
| Date | Insider | Transaction | Ownership Type | Shares Traded | Value / Price |
|---|---|---|---|---|---|
|
Sep 25
2025
|
Richard Brent Lewis President |
SELL
Payment of exercise price or tax liability
|
Direct |
140
-0.35%
|
$11,200
$80.04 P/Share
|
|
Sep 25
2025
|
Richard Brent Lewis President |
BUY
Grant, award, or other acquisition
|
Direct |
5,942
+12.96%
|
-
|
|
Sep 25
2025
|
Amy C Becker Chief Legal Officer |
SELL
Payment of exercise price or tax liability
|
Direct |
2,727
-5.43%
|
$218,160
$80.04 P/Share
|
|
Sep 25
2025
|
Amy C Becker Chief Legal Officer |
BUY
Grant, award, or other acquisition
|
Direct |
5,541
+9.94%
|
-
|
|
Sep 25
2025
|
Guillermo Briseno President |
BUY
Grant, award, or other acquisition
|
Direct |
3,935
+11.86%
|
-
|
|
Sep 25
2025
|
Tod E. Carpenter Chairman, President and CEO |
SELL
Payment of exercise price or tax liability
|
Direct |
17,858
-5.64%
|
$1,428,640
$80.04 P/Share
|
|
Sep 25
2025
|
Tod E. Carpenter Chairman, President and CEO |
BUY
Grant, award, or other acquisition
|
Direct |
36,296
+10.29%
|
-
|
|
Sep 03
2025
|
Guillermo Briseno President |
SELL
Open market or private sale
|
Direct |
13,500
-34.79%
|
$1,066,500
$79.03 P/Share
|
|
Sep 03
2025
|
Guillermo Briseno President |
BUY
Exercise of conversion of derivative security
|
Direct |
13,500
+25.81%
|
$378,000
$28.0 P/Share
|
|
Aug 28
2025
|
Tod E. Carpenter Chairman, President and CEO |
SELL
Open market or private sale
|
Direct |
100,500
-26.39%
|
$8,040,000
$80.62 P/Share
|
|
Aug 28
2025
|
Tod E. Carpenter Chairman, President and CEO |
BUY
Exercise of conversion of derivative security
|
Direct |
100,500
+20.88%
|
$2,814,000
$28.0 P/Share
|
|
Aug 28
2025
|
Andrew C Dahlgren President |
SELL
Open market or private sale
|
Direct |
3,000
-28.56%
|
$243,000
$81.96 P/Share
|
|
Aug 28
2025
|
Andrew C Dahlgren President |
BUY
Exercise of conversion of derivative security
|
Direct |
3,000
+22.22%
|
$84,000
$28.0 P/Share
|
|
Aug 28
2025
|
Trudy A. Rautio Director |
SELL
Bona fide gift
|
Direct |
3,709
-12.65%
|
-
|
|
Aug 28
2025
|
Trudy A. Rautio Director |
SELL
Open market or private sale
|
Direct |
31,900
-34.99%
|
$2,520,100
$79.96 P/Share
|
|
Aug 28
2025
|
Trudy A. Rautio Director |
BUY
Exercise of conversion of derivative security
|
Direct |
31,900
+25.85%
|
$1,116,500
$35.34 P/Share
|
|
Aug 28
2025
|
Amy C Becker Chief Legal Officer |
SELL
Open market or private sale
|
Direct |
18,500
-29.3%
|
$1,498,500
$81.71 P/Share
|
|
Aug 28
2025
|
Amy C Becker Chief Legal Officer |
BUY
Exercise of conversion of derivative security
|
Direct |
18,500
+22.66%
|
$518,000
$28.0 P/Share
|
|
Jul 10
2025
|
Tod E. Carpenter Chairman, President and CEO |
SELL
Open market or private sale
|
Direct |
45,808
-14.05%
|
$3,252,368
$71.71 P/Share
|
|
Jul 10
2025
|
Tod E. Carpenter Chairman, President and CEO |
BUY
Grant, award, or other acquisition
|
Direct |
45,808
+12.32%
|
$1,282,624
$28.0 P/Share
|
|
Jul 09
2025
|
Tod E. Carpenter Chairman, President and CEO |
SELL
Open market or private sale
|
Direct |
2,159
-0.76%
|
$153,289
$71.0 P/Share
|
|
Jul 09
2025
|
Tod E. Carpenter Chairman, President and CEO |
BUY
Grant, award, or other acquisition
|
Direct |
2,159
+0.76%
|
$60,452
$28.0 P/Share
|
|
Jul 08
2025
|
Tod E. Carpenter Chairman, President and CEO |
SELL
Open market or private sale
|
Direct |
12,033
-4.12%
|
$854,343
$71.07 P/Share
|
|
Jul 08
2025
|
Tod E. Carpenter Chairman, President and CEO |
BUY
Grant, award, or other acquisition
|
Direct |
12,033
+3.95%
|
$336,924
$28.0 P/Share
|
|
Jul 07
2025
|
Trudy A. Rautio Director |
BUY
Grant, award, or other acquisition
|
Direct |
393
+1.33%
|
$27,903
$71.26 P/Share
|
|
Jul 07
2025
|
Jacinth C Smiley Director |
BUY
Grant, award, or other acquisition
|
Direct |
316
+4.87%
|
$22,436
$71.26 P/Share
|
|
Jul 07
2025
|
Willard D Oberton Director |
BUY
Grant, award, or other acquisition
|
Direct |
53
+0.18%
|
$3,763
$71.26 P/Share
|
|
Jul 07
2025
|
James Owens Director |
BUY
Grant, award, or other acquisition
|
Direct |
316
+1.51%
|
$22,436
$71.26 P/Share
|
|
Jul 07
2025
|
Christopher M. Hilger Director |
BUY
Grant, award, or other acquisition
|
Direct |
316
+2.29%
|
$22,436
$71.26 P/Share
|