Guillermo Briseno, President of Donaldson Company Inc. ($DCI), made one open market sale of $DCI shares in the last year, totaling about $1.07 million, with the most recent on September 3, 2025. His sales volume ranks 4,767th among 11,678 individual insiders, below the average of $8.6 million per seller and 6.4 transactions. Briseno had no open market purchases in this period.
| Transaction Date | Company | Ticker | Insider Name | Title | Transaction Type | Security | Shares | Price | Shares Owned Following | Total Shares Outstanding | % of Owned | % of Outstanding |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| March 26, 2026 | DONALDSON Co INC | $DCI | Briseno Guillermo | President | M | Common Stock | 12000 | $42.72 | 41,267.0000 | 117,800,000 | 41.00% | 0.01% |
| March 26, 2026 | DONALDSON Co INC | $DCI | Briseno Guillermo | President | M | Employee Stock Option (right to buy) | 8600 | $0.00 | 8,600.0000 | 117,800,000 | 50.00% | 0.01% |
| March 26, 2026 | DONALDSON Co INC | $DCI | Briseno Guillermo | President | M | Employee Stock Option (right to buy) | 12000 | $0.00 | 0.0000 | 117,800,000 | 100.00% | 0.01% |
| March 26, 2026 | DONALDSON Co INC | $DCI | Briseno Guillermo | President | S | Common Stock | 8600 | $84.97 | 29,267.0000 | 117,800,000 | 22.71% | 0.01% |
| March 26, 2026 | DONALDSON Co INC | $DCI | Briseno Guillermo | President | M | Common Stock | 8600 | $45.43 | 37,867.0000 | 117,800,000 | 29.38% | 0.01% |
| March 26, 2026 | DONALDSON Co INC | $DCI | Briseno Guillermo | President | S | Common Stock | 12000 | $84.97 | 29,267.0000 | 117,800,000 | 29.08% | 0.01% |
| Oct. 1, 2025 | DONALDSON Co INC | $DCI | Briseno Guillermo | President | A | Employee Stock Option (right to buy) | 15300 | $0.00 | 15,300.0000 | 120,400,000 | 9999.99% | 0.01% |
| Sept. 25, 2025 | DONALDSON Co INC | $DCI | Briseno Guillermo | President | A | Common Stock | 3935 | $0.00 | 29,244.0000 | 120,400,000 | 15.55% | 0.00% |
| Sept. 3, 2025 | DONALDSON Co INC | $DCI | Briseno Guillermo | President | S | Common Stock | 13500 | $79.03 | 25,309.0000 | 120,400,000 | 34.79% | 0.01% |
| Sept. 3, 2025 | DONALDSON Co INC | $DCI | Briseno Guillermo | President | M | Employee Stock Option (right to buy) | 13500 | $0.00 | 0.0000 | 120,400,000 | 100.00% | 0.01% |
| Sept. 3, 2025 | DONALDSON Co INC | $DCI | Briseno Guillermo | President | M | Common Stock | 13500 | $28.00 | 38,809.0000 | 120,400,000 | 53.34% | 0.01% |
| Oct. 1, 2024 | DONALDSON Co INC | $DCI | Briseno Guillermo | President | A | Employee Stock Option (right to buy) | 18500 | $0.00 | 18,500.0000 | 122,600,000 | 9999.99% | 0.02% |
| Sept. 27, 2024 | DONALDSON Co INC | $DCI | Briseno Guillermo | President | A | Common Stock | 3087 | $0.00 | 25,058.0000 | 122,600,000 | 14.05% | 0.00% |
| Sept. 3, 2024 | DONALDSON Co INC | $DCI | Briseno Guillermo | President | M | Employee Stock Option (right to buy) | 12000 | $38.78 | 28,370.0000 | 122,600,000 | 73.30% | 0.01% |
| Sept. 3, 2024 | DONALDSON Co INC | $DCI | Briseno Guillermo | President | M | Employee Stock Option (right to buy) | 12000 | $0.00 | 0.0000 | 122,600,000 | 100.00% | 0.01% |
| Sept. 3, 2024 | DONALDSON Co INC | $DCI | Briseno Guillermo | President | F | Employee Stock Option (right to buy) | 6399 | $72.73 | 21,971.0000 | 122,600,000 | 22.56% | 0.01% |
| Dec. 6, 2023 | DONALDSON Co INC | $DCI | Briseno Guillermo | President | M | Common Stock | 4000 | $42.05 | 18,907.0000 | 123,600,000 | 26.83% | 0.00% |
| Dec. 6, 2023 | DONALDSON Co INC | $DCI | Briseno Guillermo | President | S | Common Stock | 2737 | $61.50 | 16,170.0000 | 123,600,000 | 14.48% | 0.00% |
| Dec. 6, 2023 | DONALDSON Co INC | $DCI | Briseno Guillermo | President | M | Common Stock | 4000 | $0.00 | 0.0000 | 123,600,000 | 100.00% | 0.00% |
| Sept. 21, 2023 | DONALDSON Co INC | $DCI | Briseno Guillermo | President | A | Employee Stock Option (right to buy) | 17200 | $0.00 | 17,200.0000 | 123,600,000 | 9999.99% | 0.01% |
| Sept. 21, 2023 | DONALDSON Co INC | $DCI | Briseno Guillermo | President | A | Common Stock | 4984 | $0.00 | 14,901.0000 | 123,600,000 | 50.26% | 0.00% |