Richard Brent Lewis serves as Executive at DONALDSON CO INC, where they oversee executive responsibilities. Since joining the company, Richard Brent Lewis has executed 34 insider transactions totaling $189.3K, demonstrating a bearish approach to their equity position. Their most recent transaction on Oct 2, 2025 involved selling 8,982 shares valued at $737.2K.
Richard Brent Lewis currently holds 44,297 shares of DONALDSON CO INC (DCI), valued at approximately $0. This represents their equity stake as Executive.
Based on SEC Form 4 filings, Richard Brent Lewis has been a net seller of DCI stock. They have purchased $0 and sold $189.3K worth of shares.
Richard Brent Lewis's most recent insider trade was on Oct 2, 2025, when they sold 8,982 shares at $82.08 per share.
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| $28.00 |
| Discretionary |
| Sep 25, 2025 | DCI | $11.2K | Payment | 140 | $80.04 | Discretionary |
| Sep 25, 2025 | DCI | $0 | Award | 5,942 | $N/A | Discretionary |
| Jun 14, 2024 | DCI | $167.7K | Payment | 2,272 | $73.83 | Discretionary |
| Jun 14, 2024 | DCI | $116.3K | Option Exercise | 3,000 | $38.78 | Discretionary |
| Sep 21, 2023 | DCI | $15.3K | Payment | 257 | $59.66 | Discretionary |
| Sep 21, 2023 | DCI | $0 | Award | 10,927 | $N/A | Discretionary |
| Sep 5, 2023 | DCI | $126.2K | Option Exercise | 3,000 | $42.05 | Discretionary |
| Sep 5, 2023 | DCI | $159.6K | Payment | 2,461 | $64.85 | Discretionary |
| Sep 22, 2022 | DCI | $0 | Award | 3,580 | $N/A | Discretionary |
| Sep 22, 2022 | DCI | $88.9K | Payment | 1,746 | $50.89 | Discretionary |
| Sep 9, 2022 | DCI | $117.5K | Option Exercise | 3,500 | $33.58 | Discretionary |
| Sep 9, 2022 | DCI | $149.0K | Payment | 2,847 | $52.35 | Discretionary |
| Jun 15, 2021 | DCI | $191.6K | Payment | 3,114 | $61.54 | Discretionary |
| Jun 15, 2021 | DCI | $139.5K | Option Exercise | 4,000 | $34.88 | Discretionary |
| Sep 24, 2020 | DCI | $55.3K | Payment | 1,201 | $46.06 | Discretionary |
| Sep 24, 2020 | DCI | $0 | Award | 2,446 | $N/A | Discretionary |
| Jun 4, 2020 | DCI | $87.2K | Option Exercise | 3,000 | $29.07 | Discretionary |
| Jun 4, 2020 | DCI | $117.3K | Payment | 2,362 | $49.66 | Discretionary |
| Oct 1, 2019 | DCI | $31.0K | Payment | 612 | $50.67 | Discretionary |
| Feb 12, 2019 | DCI | $9.3K | Award | 190.06 | $48.95 | Discretionary |
| Sep 14, 2018 | DCI | $31.7K | Option Exercise | 2,000 | $15.87 | Discretionary |
| Sep 14, 2018 | DCI | $58.2K | Sale | 987 | $58.99 | Discretionary |
| Sep 14, 2018 | DCI | $131.1K | Sale | 2,222 | $58.99 | Discretionary |
| Sep 14, 2018 | DCI | $84.6K | Option Exercise | 4,000 | $21.14 | Discretionary |
| Feb 14, 2018 | DCI | $7.3K | Award | 156.73 | $46.84 | Discretionary |
| Dec 28, 2017 | DCI | $337 | Award | 6.9 | $48.90 | Discretionary |
| Dec 13, 2017 | DCI | $338 | Award | 6.9 | $48.95 | Discretionary |
| Nov 29, 2017 | DCI | $338 | Award | 6.94 | $48.65 | Discretionary |