Transaction Details

Footnotes

This transaction was executed pursuant to a trading plan entered into by the reporting person on September 12, 2025, in accordance with Rule 10b5-1 of the Securities Exchange Act of 1934, as amended. | The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices from $180.29 to $181.2115 inclusive. The reporting person undertakes to providing to Leidos Holdings, Inc., any security holder of Leidos Holdings, Inc., or the staff of the Securities Exchange Commission upon request, full information regarding the number of shares sold at each separate price within the aforementioned range. | The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices from $181.29 to $181.99 inclusive. The reporting person undertakes to providing to Leidos Holdings, Inc., any security holder of Leidos Holdings, Inc., or the staff of the Securities Exchange Commission upon request, full information regarding the number of shares sold at each separate price within the aforementioned range.