SEC Insider Transactions from Becker Amy C.

Last updated: 2026-03-14 11:40 UTC | Total transactions: 24

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.

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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%