NYSE · CIK 0000029644
DCI DONALDSON Co INC
Insider trading from SEC Form 4. Last filing 7 d ago. Close $86.93 on Oct 9, 2026, +10% from the 52-week low and -21% from the high.
Last 90 days
Net insider value
-$3.2M
more sold than bought
Buys
0
$0 by 0 insiders
Sells
2
$3.2M by 1 insider
Insiders on file
18
with a Form 4 at this company
Price and insider trades, last year
DCIOct 9, 2026 · close 86.93
Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value. Click a marked bar to open the signal.Charts by TradingView Lightweight Charts™
Signals
Open-market buys and sells at DONALDSON Co INC, scored.
| Score | Insider | Value | Holdings | Price context | Filed |
|---|---|---|---|---|---|
| 35Weak | Tod E. Carpenter Chairman, President and CEO sell | $2.9M 31,968 shares | -10% | - | |
| 24Weak | Tod E. Carpenter Chairman, President and CEO sell | $276k 3,032 shares | -1% | - | |
| 48Moderate | Guillermo Briseno President sell | $1.1M 13,500 shares | -35% | +36% from low-3% from high | |
| 43Moderate | Amy C Becker Chief Legal Officer sell | $1.5M 18,500 shares | -29% | +37% from low-2% from high | |
| 23Weak | Willard D Oberton director sell | $487k 7,000 shares | -19% | +17% from low-10% from high | |
| 35Weak | James Owens director sell | $1.2M 18,700 shares | -48% | +5% from low-20% from high | |
| 58Moderate | Thomas R Scalf President sell | $2.0M 28,500 shares | -50% | - | |
| 31Weak | Willard D Oberton director sell | $478k 7,000 shares | -19% | - | |
| 58Moderate | Thomas R Scalf President sell | $2.0M 29,500 shares | -51% | - | |
| 19Weak | Willard D Oberton director sell | $136k 2,000 shares | -7% | - | |
| 42Moderate | Trudy A. Rautio director sell | $946k 14,000 shares | -35% | - |
Transactions
The last 88 rows filed, every code.
| Date | Insider | Transaction | Shares | Price | Value | Holdings after | Filed |
|---|---|---|---|---|---|---|---|
| Oct 2, 2026 | James Owens director | AGrant or award Common Stock | +268 | $88.65 | $24k | 23,261 | 7 d ago |
| Oct 2, 2026 | Christopher M. Hilger director | AGrant or award Common Stock | +402 | $88.65 | $36k | 16,692 | 7 d ago |
| Oct 2, 2026 | Jacinth C Smiley director | AGrant or award Common Stock | +268 | $88.65 | $24k | 8,540 | 7 d ago |
| Oct 2, 2026 | Trudy A. Rautio director | AGrant or award Common Stock | +336 | $88.65 | $30k | 28,541 | 7 d ago |
| Oct 1, 2026 | Darcy J DeVincke Chief Human Resources Officer | AGrant or award Employee Stock Option (right to buy)derivative | +10,400 | $0.00 | $0 | 10,400 | 7 d ago |
| Oct 1, 2026 | Bart C. Driesen President | AGrant or award Employee Stock Option (right to buy)derivative | +12,800 | $0.00 | $0 | 12,800 | 7 d ago |
| Oct 1, 2026 | Andrew J. Cebulla Corporate Controller | AGrant or award Employee Stock Option (right to buy)derivative | +4,624 | $0.00 | $0 | 4,624 | 7 d ago |
| Oct 1, 2026 | Amy C Becker Chief Legal Officer | AGrant or award Employee Stock Option (right to buy)derivative | +14,800 | $0.00 | $0 | 14,800 | 7 d ago |
| Oct 1, 2026 | Richard Brent Lewis President | AGrant or award Employee Stock Option (right to buy)derivative | +84,200 | $0.00 | $0 | 84,200 | 7 d ago |
| Oct 1, 2026 | Bradley J. Pogalz Chief Financial Officer | AGrant or award Employee Stock Option (right to buy)derivative | +24,100 | $0.00 | $0 | 24,100 | 7 d ago |
| Sep 24, 2026 | Bart C. Driesen President | AGrant or award Common Stock | +4,465 | $0.00 | $0 | 14,577 | 14 d ago |
| Sep 24, 2026 | Bart C. Driesen President | FTax withholding Common Stock | -2,661 | $86.60 | $230k | 11,916 | 14 d ago |
| Sep 24, 2026 | Amy C Becker Chief Legal Officer | AGrant or award Common Stock | +5,983 | $0.00 | $0 | 53,447 | 14 d ago |
| Sep 24, 2026 | Tod E. Carpenter Chairman, President and CEO | AGrant or award Common Stock | +38,131 | $0.00 | $0 | 336,830 | 14 d ago |
| Sep 24, 2026 | Richard Brent Lewis President | AGrant or award Common Stock | +6,340 | $0.00 | $0 | 50,966 | 14 d ago |
| Sep 24, 2026 | Tod E. Carpenter Chairman, President and CEO | FTax withholding Common Stock | -18,761 | $86.60 | $1.6M | 318,069 | 14 d ago |
| Sep 24, 2026 | Richard Brent Lewis President | FTax withholding Common Stock | -149 | $86.60 | $13k | 50,817 | 14 d ago |
| Sep 24, 2026 | Amy C Becker Chief Legal Officer | FTax withholding Common Stock | -2,944 | $86.60 | $255k | 50,503 | 14 d ago |
| Sep 4, 2026 | Tod E. Carpenter Chairman, President and CEO | MOption exercise Common Stock | +31,968 | $42.72 | $1.4M | 330,667 | 32 d ago |
| Sep 4, 2026 | Tod E. Carpenter Chairman, President and CEO | SOpen-market sale Common Stock | -31,968 | $91.10 | $2.9M | 298,699 | 32 d ago |
| Sep 4, 2026 | Tod E. Carpenter Chairman, President and CEO | MOption exercise Employee Stock Option (right to buy)derivative | -31,968 | $0.00 | $0 | 131,500 | 32 d ago |
| Aug 31, 2026 | Tod E. Carpenter Chairman, President and CEO | MOption exercise Common Stock | +3,032 | $42.72 | $130k | 301,731 | 41 d ago |
| Aug 31, 2026 | Tod E. Carpenter Chairman, President and CEO | SOpen-market sale Common Stock | -3,032 | $91.00 | $276k | 298,699 | 41 d ago |
| Aug 31, 2026 | Tod E. Carpenter Chairman, President and CEO | MOption exercise Employee Stock Option (right to buy)derivative | -3,032 | $0.00 | $0 | 163,468 | 41 d ago |
| Sep 25, 2025 | Guillermo Briseno President | AGrant or award Common Stock | +3,935 | $0.00 | $0 | 29,244 | Sep 29, 2025 |
| Sep 25, 2025 | Amy C Becker Chief Legal Officer | AGrant or award Common Stock | +5,541 | $0.00 | $0 | 50,186 | Sep 29, 2025 |
| Sep 25, 2025 | Amy C Becker Chief Legal Officer | FTax withholding Common Stock | -2,727 | $80.04 | $218k | 47,459 | Sep 29, 2025 |
| Sep 3, 2025 | Guillermo Briseno President | MOption exercise Common Stock | +13,500 | $28.00 | $378k | 38,809 | Sep 4, 2025 |
| Sep 3, 2025 | Guillermo Briseno President | SOpen-market sale Common Stock | -13,500 | $79.03 | $1.1M | 25,309 | Sep 4, 2025 |
| Sep 3, 2025 | Guillermo Briseno President | MOption exercise Employee Stock Option (right to buy)derivative | -13,500 | $0.00 | $0 | 0 | Sep 4, 2025 |
| Aug 28, 2025 | Amy C Becker Chief Legal Officer | MOption exercise Common Stock | +18,500 | $28.00 | $518k | 63,145 | Sep 2, 2025 |
| Aug 28, 2025 | Amy C Becker Chief Legal Officer | SOpen-market sale Common Stock | -18,500 | $81.71 | $1.5M | 44,645 | Sep 2, 2025 |
| Aug 28, 2025 | Amy C Becker Chief Legal Officer | MOption exercise Employee Stock Option (right to buy)derivative | -18,500 | $0.00 | $0 | 0 | Sep 2, 2025 |
| Jun 9, 2025 | Andrew J. Cebulla Corporate Controller | FTax withholding Common Stock | -489 | $70.38 | $34k | 1,638 | Jul 8, 2025 |
| Jun 4, 2025 | Willard D Oberton director | MOption exercise Common Stock | +7,000 | $28.43 | $199k | 36,661 | Jun 5, 2025 |
| Jun 4, 2025 | Willard D Oberton director | SOpen-market sale Common Stock | -7,000 | $69.51 | $487k | 29,661 | Jun 5, 2025 |
| Jun 4, 2025 | Willard D Oberton director | MOption exercise Stock Option (right to buy)derivative | -7,000 | $0.00 | $0 | 0 | Jun 5, 2025 |
| Jun 4, 2025 | Richard Brent Lewis President | MOption exercise Common Stock | +10,000 | $35.80 | $358k | 41,201 | Jun 5, 2025 |
| Jun 4, 2025 | Richard Brent Lewis President | FTax withholding Common Stock | -7,369 | $69.29 | $511k | 33,832 | Jun 5, 2025 |
| Jun 4, 2025 | Richard Brent Lewis President | MOption exercise Employee Stock Option (right to buy)derivative | -10,000 | $0.00 | $0 | 0 | Jun 5, 2025 |
| Apr 10, 2025 | James Owens director | MOption exercise Common Stock | +18,700 | $28.43 | $532k | 38,946 | Apr 11, 2025 |
| Apr 10, 2025 | James Owens director | SOpen-market sale Common Stock | -18,700 | $62.02 | $1.2M | 20,246 | Apr 11, 2025 |
| Apr 10, 2025 | James Owens director | MOption exercise Stock Option (right to buy)derivative | -18,700 | $0.00 | $0 | 0 | Apr 11, 2025 |
| Apr 4, 2025 | Jacinth C Smiley director | AGrant or award Common Stock | +370 | $60.84 | $23k | 5,837 | Apr 7, 2025 |
| Apr 4, 2025 | Willard D Oberton director | AGrant or award Common Stock | +62 | $60.84 | $3,772 | 29,661 | Apr 7, 2025 |
| Apr 4, 2025 | Trudy A. Rautio director | AGrant or award Common Stock | +460 | $60.84 | $28k | 28,705 | Apr 7, 2025 |
| Apr 4, 2025 | Christopher M. Hilger director | AGrant or award Common Stock | +370 | $60.84 | $23k | 13,120 | Apr 7, 2025 |
| Apr 4, 2025 | James Owens director | AGrant or award Common Stock | +370 | $60.84 | $23k | 20,246 | Apr 7, 2025 |
| Mar 17, 2025 | Thomas R Scalf President | MOption exercise Common Stock | +28,500 | $42.72 | $1.2M | 56,834 | Mar 18, 2025 |
| Mar 17, 2025 | Thomas R Scalf President | SOpen-market sale Common Stock | -28,500 | $69.22 | $2.0M | 28,334 | Mar 18, 2025 |
| Mar 17, 2025 | Thomas R Scalf President | MOption exercise Employee Stock Option (right to buy)derivative | -28,500 | $0.00 | $0 | 0 | Mar 18, 2025 |
| Mar 5, 2025 | Willard D Oberton director | MOption exercise Common Stock | +7,000 | $28.43 | $199k | 36,599 | Mar 5, 2025 |
| Mar 5, 2025 | Willard D Oberton director | SOpen-market sale Common Stock | -7,000 | $68.22 | $478k | 29,599 | Mar 5, 2025 |
| Mar 5, 2025 | Willard D Oberton director | MOption exercise Stock Option (right to buy)derivative | -7,000 | $28.43 | $199k | 0 | Mar 5, 2025 |
| Feb 28, 2025 | Thomas R Scalf President | MOption exercise Common Stock | +29,500 | $28.00 | $826k | 57,834 | Mar 3, 2025 |
| Feb 28, 2025 | Thomas R Scalf President | SOpen-market sale Common Stock | -29,500 | $68.89 | $2.0M | 28,334 | Mar 3, 2025 |
| Feb 28, 2025 | Thomas R Scalf President | MOption exercise Employee Stock Option (right to buy)derivative | -29,500 | $0.00 | $0 | 0 | Mar 3, 2025 |
| Jan 2, 2025 | Jacinth C Smiley director | AGrant or award Common Stock | +1,300 | $0.00 | $0 | 5,112 | Jan 6, 2025 |
| Jan 2, 2025 | Trudy A. Rautio director | MOption exercise Common Stock | +14,000 | $36.84 | $516k | 40,420 | Jan 6, 2025 |
| Jan 2, 2025 | Ajita G Rajendra director | AGrant or award Common Stock | +1,300 | $0.00 | $0 | 43,612 | Jan 6, 2025 |
| Jan 2, 2025 | James Owens director | AGrant or award Common Stock | +1,300 | $0.00 | $0 | 19,465 | Jan 6, 2025 |
| Jan 2, 2025 | Richard M Olson director | AGrant or award Common Stock | +1,300 | $0.00 | $0 | 5,112 | Jan 6, 2025 |
| Jan 2, 2025 | Douglas A. Milroy director | AGrant or award Common Stock | +1,300 | $0.00 | $0 | 4,069 | Jan 6, 2025 |
| Jan 2, 2025 | Willard D Oberton director | MOption exercise Common Stock | +2,000 | $28.43 | $57k | 30,137 | Jan 6, 2025 |
| Jan 2, 2025 | Pilar Cruz director | AGrant or award Common Stock | +1,300 | $0.00 | $0 | 15,609 | Jan 6, 2025 |
| Jan 2, 2025 | Christopher M. Hilger director | AGrant or award Common Stock | +1,300 | $0.00 | $0 | 12,379 | Jan 6, 2025 |
| Jan 2, 2025 | Willard D Oberton director | SOpen-market sale Common Stock | -2,000 | $67.95 | $136k | 28,137 | Jan 6, 2025 |
| Jan 2, 2025 | Jacinth C Smiley director | AGrant or award Common Stock | +334 | $67.29 | $22k | 5,446 | Jan 6, 2025 |
| Jan 2, 2025 | Richard M Olson director | AGrant or award Stock Option (right to buy)derivative | +3,900 | $0.00 | $0 | 3,900 | Jan 6, 2025 |
| Jan 2, 2025 | Christopher M. Hilger director | AGrant or award Common Stock | +334 | $67.29 | $22k | 12,713 | Jan 6, 2025 |
| Jan 2, 2025 | James Owens director | AGrant or award Common Stock | +334 | $67.29 | $22k | 19,799 | Jan 6, 2025 |
| Jan 2, 2025 | Ajita G Rajendra director | AGrant or award Stock Option (right to buy)derivative | +3,900 | $0.00 | $0 | 3,900 | Jan 6, 2025 |
| Jan 2, 2025 | Pilar Cruz director | AGrant or award Stock Option (right to buy)derivative | +3,900 | $0.00 | $0 | 3,900 | Jan 6, 2025 |
| Jan 2, 2025 | Trudy A. Rautio director | SOpen-market sale Common Stock | -14,000 | $67.60 | $946k | 26,420 | Jan 6, 2025 |
| Jan 2, 2025 | Willard D Oberton director | AGrant or award Common Stock | +1,300 | $0.00 | $0 | 29,437 | Jan 6, 2025 |
| Jan 2, 2025 | Jacinth C Smiley director | AGrant or award Stock Option (right to buy)derivative | +3,900 | $0.00 | $0 | 3,900 | Jan 6, 2025 |
| Jan 2, 2025 | Douglas A. Milroy director | AGrant or award Stock Option (right to buy)derivative | +3,900 | $0.00 | $0 | 3,900 | Jan 6, 2025 |
| Jan 2, 2025 | Trudy A. Rautio director | AGrant or award Common Stock | +1,300 | $0.00 | $0 | 27,720 | Jan 6, 2025 |
| Jan 2, 2025 | James Owens director | AGrant or award Stock Option (right to buy)derivative | +3,900 | $0.00 | $0 | 3,900 | Jan 6, 2025 |
| Jan 2, 2025 | Christopher M. Hilger director | AGrant or award Stock Option (right to buy)derivative | +3,900 | $0.00 | $0 | 3,900 | Jan 6, 2025 |
| Jan 2, 2025 | Trudy A. Rautio director | AGrant or award Common Stock | +416 | $67.29 | $28k | 28,136 | Jan 6, 2025 |
| Jan 2, 2025 | Willard D Oberton director | AGrant or award Common Stock | +56 | $67.29 | $3,768 | 29,493 | Jan 6, 2025 |
| Jan 2, 2025 | Trudy A. Rautio director | MOption exercise Stock Option (right to buy)derivative | -14,000 | $0.00 | $0 | 0 | Jan 6, 2025 |
| Jan 2, 2025 | Willard D Oberton director | MOption exercise Employee Stock Option (right to buy)derivative | -2,000 | $0.00 | $0 | 0 | Jan 6, 2025 |
| Jan 2, 2025 | Willard D Oberton director | AGrant or award Stock Option (right to buy)derivative | +3,900 | $0.00 | $0 | 3,900 | Jan 6, 2025 |
| Jan 2, 2025 | Trudy A. Rautio director | AGrant or award Stock Option (right to buy)derivative | +3,900 | $0.00 | $0 | 3,900 | Jan 6, 2025 |
| Dec 4, 2024 | Andrew J. Cebulla Corporate Controller | AGrant or award Employee Stock Option (right to buy)derivative | +3,713 | $0.00 | $0 | 3,713 | Dec 9, 2024 |
| Dec 4, 2024 | Bradley J. Pogalz Chief Financial Officer | AGrant or award Employee Stock Option (right to buy)derivative | +9,400 | $0.00 | $0 | 9,400 | Dec 9, 2024 |
Insiders
Everyone who has filed a Form 4 here.
- Amy C BeckerChief Legal Officer
- Guillermo BrisenoPresident
- Andrew J. CebullaCorporate Controller
- Tod E. CarpenterChairman, President and CEO
- Pilar Cruzdirector
- Darcy J DeVinckeChief Human Resources Officer
- Bart C. DriesenPresident
- Christopher M. Hilgerdirector
- Richard Brent LewisPresident
- Douglas A. Milroydirector
- Willard D Obertondirector
- Richard M Olsonceo, chair, officer, director
- James Owensdirector
- Bradley J. PogalzChief Financial Officer
- Ajita G Rajendradirector
- Trudy A. Rautiodirector
- Thomas R ScalfPresident
- Jacinth C Smileycfo, officer, director
Not investment advice. Scores and forward returns are decision support built from public SEC filings and past prices; they describe what happened after comparable filings, not what will happen after this one. Do your own research and size your risk.