SEC Insider Transactions from SCALF THOMAS R.

Last updated: 2026-03-14 11:24 UTC | Total transactions: 18

SCALF THOMAS R has filed 18 insider transactions across 1 company since January 2023.

Most recent transaction: a option exercise of 28500 shares of DONALDSON Co INC ($DCI) on March 17, 2025.

Activity breakdown: 0 open-market purchases and 7 sales.

Set Up your own filters →
Transaction Date Company Ticker Insider Name Title Transaction Type Security Shares Price Shares Owned Following Total Shares Outstanding % of Owned % of Outstanding
March 17, 2025 DONALDSON Co INC $DCI SCALF THOMAS R President M Common Stock 28500 $42.72 56,937.0000 121,900,000 100.22% 0.02%
March 17, 2025 DONALDSON Co INC $DCI SCALF THOMAS R President S Common Stock 28500 $69.22 28,334.0000 121,900,000 50.15% 0.02%
March 17, 2025 DONALDSON Co INC $DCI SCALF THOMAS R President M Employee Stock Option (right to buy) 28500 $0.00 0.0000 121,900,000 100.00% 0.02%
Feb. 28, 2025 DONALDSON Co INC $DCI SCALF THOMAS R President M Common Stock 29500 $28.00 57,931.0000 121,900,000 103.76% 0.02%
Feb. 28, 2025 DONALDSON Co INC $DCI SCALF THOMAS R President S Common Stock 29500 $68.89 28,431.0000 121,900,000 50.92% 0.02%
Feb. 28, 2025 DONALDSON Co INC $DCI SCALF THOMAS R President M Employee Stock Option (right to buy) 29500 $0.00 0.0000 121,900,000 100.00% 0.02%
Oct. 7, 2024 DONALDSON Co INC $DCI SCALF THOMAS R President S Common Stock 4295 $73.33 30,909.0000 122,600,000 12.20% 0.00%
Oct. 9, 2024 DONALDSON Co INC $DCI SCALF THOMAS R President S Common Stock 2500 $73.16 28,409.0000 122,600,000 8.09% 0.00%
Oct. 1, 2024 DONALDSON Co INC $DCI SCALF THOMAS R President A Employee Stock Option (right to buy) 20800 $0.00 20,800.0000 122,600,000 9999.99% 0.02%
Sept. 27, 2024 DONALDSON Co INC $DCI SCALF THOMAS R President A Common Stock 8455 $0.00 39,364.0000 122,600,000 27.35% 0.01%
Sept. 27, 2024 DONALDSON Co INC $DCI SCALF THOMAS R President F Common Stock 4160 $73.82 35,204.0000 122,600,000 10.57% 0.00%
Sept. 19, 2024 DONALDSON Co INC $DCI SCALF THOMAS R President G Common Stock 3500 $0.00 30,834.0000 122,600,000 10.19% 0.00%
March 1, 2024 DONALDSON Co INC $DCI SCALF THOMAS R President S Common Stock 7680 $71.09 34,334.0000 123,600,000 18.28% 0.01%
March 4, 2024 DONALDSON Co INC $DCI SCALF THOMAS R President S Common Stock 3027 $73.09 34,334.0000 123,600,000 8.10% 0.00%
Sept. 21, 2023 DONALDSON Co INC $DCI SCALF THOMAS R President A Common Stock 15528 $0.00 52,577.0000 123,600,000 41.91% 0.01%
Sept. 21, 2023 DONALDSON Co INC $DCI SCALF THOMAS R President F Common Stock 7637 $59.66 44,940.0000 123,600,000 14.53% 0.01%
Sept. 21, 2023 DONALDSON Co INC $DCI SCALF THOMAS R President A Employee Stock Option (right to buy) 22500 $0.00 22,500.0000 123,600,000 9999.99% 0.02%
Jan. 11, 2023 DONALDSON Co INC $DCI SCALF THOMAS R President S Common Stock 4500 $61.00 36,823.0000 0 10.89% 0.00%