X0508 4 2026-01-30 0000076334 Parker-Hannifin Corp PH 0001709166 Gentile Thomas C 6035 PARKLAND BOULEVARD CLEVELAND OH 44124 0 1 0 0 VP-Global Supply Chain 0 Common Stock 2026-01-30 4 M 0 5110 209.56 A 10575 D Common Stock 2026-01-30 4 F 0 2734 949 D 7841 D Common Stock 2026-01-30 4 S 0 280 936.10 D 7561 D Common Stock 2026-01-30 4 S 0 320 937.35 D 7241 D Common Stock 2026-01-30 4 S 0 160 938.83 D 7081 D Common Stock 2026-01-30 4 S 0 200 939.92 D 6881 D Common Stock 2026-01-30 4 S 0 249 940.63 D 6632 D Common Stock 2026-01-30 4 S 0 360 941.54 D 6272 D Common Stock 2026-01-30 4 S 0 200 942.95 D 6072 D Common Stock 2026-01-30 4 S 0 80 944.23 D 5992 D Common Stock 2026-01-30 4 S 0 127 946.12 D 5865 D Common Stock 2026-01-30 4 S 0 400 947.08 D 5465 D Common Stock 888.45 I Parker Retirement Savings Plan Stock Appreciation Rights 209.56 2026-01-30 4 M 0 5110 0 D 2021-08-12 2030-08-11 Common Stock 5110 0 D The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $935.69 to $936.64, inclusive. The reporting person undertakes to provide Parker-Hannifin Corporation, any security holder of Parker-Hannifin Corporation, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in Footnote 1 to this Form 4. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $936.99 to $937.65, inclusive. The reporting person undertakes to provide Parker-Hannifin Corporation, any security holder of Parker-Hannifin Corporation, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in Footnote 2 to this Form 4. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $938.25 to $938.97, inclusive. The reporting person undertakes to provide Parker-Hannifin Corporation, any security holder of Parker-Hannifin Corporation, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in Footnote 3 to this Form 4. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $939.79 to $940.06, inclusive. The reporting person undertakes to provide Parker-Hannifin Corporation, any security holder of Parker-Hannifin Corporation, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in Footnote 4 to this Form 4. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $940.37 to $941.06, inclusive. The reporting person undertakes to provide Parker-Hannifin Corporation, any security holder of Parker-Hannifin Corporation, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in Footnote 5 to this Form 4. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $941.27 to $942.10, inclusive. The reporting person undertakes to provide Parker-Hannifin Corporation, any security holder of Parker-Hannifin Corporation, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in Footnote 6 to this Form 4. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $942.48 to $943.40, inclusive. The reporting person undertakes to provide Parker-Hannifin Corporation, any security holder of Parker-Hannifin Corporation, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in Footnote 7 to this Form 4. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $943.92 to $944.53, inclusive. The reporting person undertakes to provide Parker-Hannifin Corporation, any security holder of Parker-Hannifin Corporation, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in Footnote 8 to this Form 4. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $945.43 to $946.31, inclusive. The reporting person undertakes to provide Parker-Hannifin Corporation, any security holder of Parker-Hannifin Corporation, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in Footnote 9 to this Form 4. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $947 to $947.86, inclusive. The reporting person undertakes to provide Parker-Hannifin Corporation, any security holder of Parker-Hannifin Corporation, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in Footnote 10 to this Form 4. /s/ Stephanie R. Breitenbach, Attorney-In-Fact 2026-02-03