🕵️ Donaldson Co Inc ($DCI)
SEC insider & ownership activity, last 12 months · CIK 29644 · every row links its SEC filing
Over the last 12 months insiders sold $18.9M with no open-market buying against it. Tod E Carpenter sold $8.1M in discretionary trades (Aug). No red-flag 8-Ks in the window.
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Monthly net open-market insider flow, last 12 months (up = net buying)
Insider flow
0 buyers, $0 (0 lots) · 8 sellers, $18.9M (15 lots)
| Insider | Buys | Bought | Sells | Sold | Last |
|---|---|---|---|---|---|
| Tod E Carpenter | 0 | – | 1 | $8.1M | Aug 28, 2025 |
| Guillermo Briseno Deibert | 0 | – | 3 | $2.8M | Mar 26, 2026 |
| Trudy A Rautio | 0 | – | 2 | $2.6M | Aug 28, 2025 |
| Ajita G. Rajendra | 0 | – | 2 | $1.8M | Dec 5, 2025 |
| James J Owens | 0 | – | 4 | $1.8M | Apr 14, 2026 |
| Amy C. Becker | 0 | – | 1 | $1.5M | Aug 28, 2025 |
| Andrew Dahlgren | 0 | – | 1 | $246K | Aug 28, 2025 |
| Bradley J Pogalz | 0 | – | 1 | $52K | Dec 9, 2025 |
5%+ holders
| Holder | Stake | Class | Schedule | Event | |
|---|---|---|---|---|---|
| Vanguard Portfolio Management | 5.6% | 13G | Apr 29, 2026 | filing ↗ | |
| Vanguard Capital Management | 5.2% | 13G | Apr 29, 2026 | filing ↗ |
Planned insider sales (Form 144)
| Seller | Planned | Approx. sale date | |
|---|---|---|---|
| James J Owens | $1.2M | Apr 14, 2026 | filing ↗ |
| James J Owens | $527K | Apr 13, 2026 | filing ↗ |
| James J Owens | $11K | Apr 10, 2026 | filing ↗ |
| Guillermo Briseno Deibert | $1.8M | Mar 26, 2026 | filing ↗ |
| Willard Oberton | $141K | Jan 29, 2026 | filing ↗ |
| Willard Oberton | $85K | Jan 22, 2026 | filing ↗ |
| Willard Oberton | $988K | Jan 2, 2026 | filing ↗ |
| Bradley J Pogalz | $52K | Dec 9, 2025 | filing ↗ |
| Ajita G Rajendra | $1.8M | Dec 5, 2025 | filing ↗ |
| Andrew Dahlgren | $646K | Oct 15, 2025 | filing ↗ |
| Guillermo Briseno Deibert | $1.1M | Sep 3, 2025 | filing ↗ |
| Andrew Dahlgren | $246K | Aug 28, 2025 | filing ↗ |
| Amy Becker | $1.5M | Aug 28, 2025 | filing ↗ |
| Trudy A Rautio | $2.6M | Aug 28, 2025 | filing ↗ |
| Tod E Carpenter | $8.1M | Aug 28, 2025 | filing ↗ |
Material events (8-K)
| Item | Event date | |
|---|---|---|
| Officer/director changes (5.02) | Jul 23, 2026 | filing ↗ |
| Earnings (2.02) | Jun 2, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Jun 2, 2026 | filing ↗ |
| Material agreement (1.01) | Apr 8, 2026 | filing ↗ |
| New financial obligation (2.03) | Apr 8, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Apr 8, 2026 | filing ↗ |
| Earnings (2.02) | Feb 26, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Feb 26, 2026 | filing ↗ |
| Material agreement (1.01) | Jan 31, 2026 | filing ↗ |
| Reg FD disclosure (7.01) | Jan 31, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Jan 31, 2026 | filing ↗ |
| Officer/director changes (5.02) | Jan 28, 2026 | filing ↗ |
| Reg FD disclosure (7.01) | Jan 28, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Jan 28, 2026 | filing ↗ |
| Earnings (2.02) | Dec 4, 2025 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Dec 4, 2025 | filing ↗ |
| Shareholder vote (5.07) | Nov 21, 2025 | filing ↗ |
| Earnings (2.02) | Aug 27, 2025 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Aug 27, 2025 | filing ↗ |