Becker Amy C, Chief Legal Officer of Donaldson Co Inc ($DCI), sold shares once on the open market in the last 365 days for a total of $1.5 million. Her most recent sale occurred on August 28, 2025. These sales rank 4,044th among 11,678 individual insiders, below the average sale amount of $8.6 million and 6.37 transactions per insider. She made no open market purchases during this period.
| Transaction Date | Company | Ticker | Insider Name | Title | Transaction Type | Security | Shares | Price | Shares Owned Following | Total Shares Outstanding | % of Owned | % of Outstanding |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Dec. 15, 2025 | WINMARK CORP | $WINA | Becker Amy C | Not found | A | Non-Employee Stock Option (right to buy) | 256 | $444.54 | 7,876.0000 | 3,693,154 | 3.36% | 0.01% |
| Oct. 1, 2025 | DONALDSON Co INC | $DCI | Becker Amy C | Chief Legal Officer | A | Employee Stock Option (right to buy) | 17000 | $0.00 | 17,000.0000 | 120,400,000 | 9999.99% | 0.01% |
| Sept. 25, 2025 | DONALDSON Co INC | $DCI | Becker Amy C | Chief Legal Officer | A | Common Stock | 5541 | $0.00 | 60,302.0000 | 120,400,000 | 10.12% | 0.00% |
| Sept. 25, 2025 | DONALDSON Co INC | $DCI | Becker Amy C | Chief Legal Officer | F | Common Stock | 2727 | $80.04 | 57,575.0000 | 120,400,000 | 4.52% | 0.00% |
| Aug. 28, 2025 | DONALDSON Co INC | $DCI | Becker Amy C | Chief Legal Officer | S | Common Stock | 18500 | $81.71 | 54,756.0000 | 120,400,000 | 25.25% | 0.02% |
| Aug. 28, 2025 | DONALDSON Co INC | $DCI | Becker Amy C | Chief Legal Officer | M | Employee Stock Option (right to buy) | 18500 | $0.00 | 0.0000 | 120,400,000 | 100.00% | 0.02% |
| Aug. 28, 2025 | DONALDSON Co INC | $DCI | Becker Amy C | Chief Legal Officer | M | Common Stock | 18500 | $28.00 | 73,256.0000 | 120,400,000 | 33.79% | 0.02% |
| June 1, 2025 | WINMARK CORP | $WINA | Becker Amy C | Not found | A | Non-Employee Stock Option (right to buy) | 280 | $424.82 | 7,620.0000 | 3,672,943 | 3.81% | 0.01% |
| Dec. 9, 2024 | WINMARK CORP | $WINA | Becker Amy C | Not found | A | Non-Employee Stock Option (right to buy) | 300 | $400.97 | 7,340.0000 | 3,671,121 | 4.26% | 0.01% |
| Oct. 1, 2024 | DONALDSON Co INC | $DCI | Becker Amy C | Chief Legal Officer | A | Employee Stock Option (right to buy) | 19800 | $0.00 | 19,800.0000 | 122,600,000 | 9999.99% | 0.02% |
| Sept. 27, 2024 | DONALDSON Co INC | $DCI | Becker Amy C | Chief Legal Officer | A | Common Stock | 6442 | $0.00 | 57,657.0000 | 122,600,000 | 12.58% | 0.01% |
| Sept. 27, 2024 | DONALDSON Co INC | $DCI | Becker Amy C | Chief Legal Officer | F | Common Stock | 3170 | $73.82 | 54,487.0000 | 122,600,000 | 5.50% | 0.00% |
| Sept. 19, 2024 | DONALDSON Co INC | $DCI | Becker Amy C | Chief Legal Officer | M | Employee Stock Option (right to buy) | 14500 | $0.00 | 0.0000 | 122,600,000 | 100.00% | 0.01% |
| Sept. 19, 2024 | DONALDSON Co INC | $DCI | Becker Amy C | Chief Legal Officer | S | Common Stock | 14500 | $72.89 | 51,215.0000 | 122,600,000 | 22.06% | 0.01% |
| Sept. 19, 2024 | DONALDSON Co INC | $DCI | Becker Amy C | Chief Legal Officer | M | Common Stock | 14500 | $38.78 | 65,715.0000 | 122,600,000 | 28.31% | 0.01% |
| June 1, 2024 | WINMARK CORP | $WINA | Becker Amy C | Not found | A | Non-Employee Stock Option (right to buy) | 300 | $355.90 | 7,040.0000 | 3,661,367 | 4.45% | 0.01% |
| Dec. 11, 2023 | WINMARK CORP | $WINA | Becker Amy C | Not found | A | Non-Employee Stock Option (right to buy) | 240 | $446.68 | 6,740.0000 | 3,653,730 | 3.69% | 0.01% |
| Sept. 21, 2023 | DONALDSON Co INC | $DCI | Becker Amy C | Chief Legal Officer | A | Common Stock | 10927 | $0.00 | 56,345.0000 | 123,600,000 | 24.06% | 0.01% |
| Sept. 21, 2023 | DONALDSON Co INC | $DCI | Becker Amy C | Chief Legal Officer | F | Common Stock | 5374 | $59.66 | 50,971.0000 | 123,600,000 | 9.54% | 0.00% |
| Sept. 21, 2023 | DONALDSON Co INC | $DCI | Becker Amy C | Chief Legal Officer | A | Employee Stock Option (right to buy) | 21200 | $0.00 | 21,200.0000 | 123,600,000 | 9999.99% | 0.02% |
| Aug. 30, 2023 | DONALDSON Co INC | $DCI | Becker Amy C | Chief Legal Officer | M | Common Stock | 3000 | $42.05 | 48,379.0000 | 123,600,000 | 6.61% | 0.00% |
| Aug. 30, 2023 | DONALDSON Co INC | $DCI | Becker Amy C | Chief Legal Officer | S | Common Stock | 3000 | $63.84 | 45,379.0000 | 123,600,000 | 6.20% | 0.00% |
| Aug. 30, 2023 | DONALDSON Co INC | $DCI | Becker Amy C | Chief Legal Officer | M | Employee Stock Option (right to buy) | 3000 | $0.00 | 0.0000 | 123,600,000 | 100.00% | 0.00% |
| June 1, 2023 | WINMARK CORP | $WINA | Becker Amy C | Not found | A | Non-Employee Stock Option (right to buy) | 380 | $325.99 | 6,500.0000 | 3,594,234 | 6.21% | 0.01% |