Elizabeth A. Porter, Sector President at Leidos Holdings, Inc. ($LDOS), sold shares on the open market three times in the last year, totaling about $1.12 million. Her most recent sale occurred on January 20, 2026. These sales rank 4,666th among 11,678 individual insiders, below the average of $8.59 million per seller and 6.37 transactions. 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| March 8, 2026 | Leidos Holdings, Inc. | $LDOS | Porter Elizabeth A | Sector President | F | Common Stock | 588 | $177.89 | 51,476.0000 | 130,000,000 | 1.13% | 0.00% |
| March 7, 2026 | Leidos Holdings, Inc. | $LDOS | Porter Elizabeth A | Sector President | F | Common Stock | 593 | $177.89 | 52,064.0000 | 130,000,000 | 1.13% | 0.00% |
| March 6, 2026 | Leidos Holdings, Inc. | $LDOS | Porter Elizabeth A | Sector President | A | Common Stock | 4626 | $0.00 | 52,657.0000 | 130,000,000 | 9.63% | 0.00% |
| March 4, 2026 | Leidos Holdings, Inc. | $LDOS | Porter Elizabeth A | Sector President | F | Common Stock | 376 | $180.65 | 48,031.0000 | 130,000,000 | 0.78% | 0.00% |
| March 3, 2026 | Leidos Holdings, Inc. | $LDOS | Porter Elizabeth A | Sector President | F | Common Stock | 651 | $179.40 | 48,407.0000 | 130,000,000 | 1.33% | 0.00% |
| Feb. 23, 2026 | Leidos Holdings, Inc. | $LDOS | Porter Elizabeth A | Sector President | F | Common Stock | 2205 | $173.50 | 49,058.0000 | 130,000,000 | 4.30% | 0.00% |
| Feb. 23, 2026 | Leidos Holdings, Inc. | $LDOS | Porter Elizabeth A | Sector President | M | Common Stock | 3240 | $62.43 | 51,263.0000 | 130,000,000 | 6.75% | 0.00% |
| Feb. 23, 2026 | Leidos Holdings, Inc. | $LDOS | Porter Elizabeth A | Sector President | M | Stock Option (Right to Buy) | 3240 | $0.00 | 0.0000 | 130,000,000 | 100.00% | 0.00% |
| Feb. 12, 2026 | Leidos Holdings, Inc. | $LDOS | Porter Elizabeth A | Sector President | F | Common Stock | 4250 | $173.00 | 48,023.0000 | 130,000,000 | 8.13% | 0.00% |
| Feb. 12, 2026 | Leidos Holdings, Inc. | $LDOS | Porter Elizabeth A | Sector President | A | Common Stock | 10146 | $0.00 | 52,273.0000 | 130,000,000 | 24.08% | 0.01% |
| Feb. 12, 2026 | Leidos Holdings, Inc. | $LDOS | Porter Elizabeth A | Sector President | A | Common Stock | 3552 | $0.00 | 42,127.0000 | 130,000,000 | 9.21% | 0.00% |
| Jan. 20, 2026 | Leidos Holdings, Inc. | $LDOS | Porter Elizabeth A | Sector President | S | Common Stock | 3000 | $192.21 | 38,575.0000 | 130,000,000 | 7.22% | 0.00% |
| Dec. 19, 2025 | Leidos Holdings, Inc. | $LDOS | Porter Elizabeth A | Sector President | S | Common Stock | 2303 | $180.89 | 42,272.0000 | 130,000,000 | 5.17% | 0.00% |
| Dec. 19, 2025 | Leidos Holdings, Inc. | $LDOS | Porter Elizabeth A | Sector President | S | Common Stock | 697 | $181.55 | 41,575.0000 | 130,000,000 | 1.65% | 0.00% |
| March 7, 2025 | Leidos Holdings, Inc. | $LDOS | Porter Elizabeth A | Sector President | A | Common Stock | 3758 | $0.00 | 45,181.0000 | 136,000,000 | 9.07% | 0.00% |
| March 8, 2025 | Leidos Holdings, Inc. | $LDOS | Porter Elizabeth A | Sector President | F | Common Stock | 606 | $139.24 | 44,575.0000 | 136,000,000 | 1.34% | 0.00% |
| March 7, 2025 | Leidos Holdings, Inc. | $LDOS | Porter Elizabeth A | Sector President | A | Stock Option (Right to Buy) | 9149 | $0.00 | 9,149.0000 | 136,000,000 | 9999.99% | 0.01% |
| March 5, 2025 | Leidos Holdings, Inc. | $LDOS | Porter Elizabeth A | Sector President | F | Common Stock | 410 | $132.22 | 41,423.0000 | 136,000,000 | 0.98% | 0.00% |
| March 4, 2025 | Leidos Holdings, Inc. | $LDOS | Porter Elizabeth A | Sector President | F | Common Stock | 370 | $129.20 | 41,842.0000 | 136,000,000 | 0.88% | 0.00% |
| March 3, 2025 | Leidos Holdings, Inc. | $LDOS | Porter Elizabeth A | Sector President | F | Common Stock | 646 | $129.97 | 42,212.0000 | 136,000,000 | 1.51% | 0.00% |
| Feb. 18, 2025 | Leidos Holdings, Inc. | $LDOS | Porter Elizabeth A | Sector President | M | Stock Option (Right to Buy) | 2524 | $0.00 | 0.0000 | 136,000,000 | 100.00% | 0.00% |
| Feb. 18, 2025 | Leidos Holdings, Inc. | $LDOS | Porter Elizabeth A | Sector President | F | Common Stock | 1723 | $132.26 | 42,858.0000 | 136,000,000 | 3.86% | 0.00% |
| Feb. 18, 2025 | Leidos Holdings, Inc. | $LDOS | Porter Elizabeth A | Sector President | M | Common Stock | 2524 | $63.76 | 44,581.0000 | 136,000,000 | 6.00% | 0.00% |
| Feb. 6, 2025 | Leidos Holdings, Inc. | $LDOS | Porter Elizabeth A | Sector President | F | Common Stock | 2184 | $141.29 | 42,057.0000 | 136,000,000 | 4.94% | 0.00% |
| Feb. 6, 2025 | Leidos Holdings, Inc. | $LDOS | Porter Elizabeth A | Sector President | A | Common Stock | 3554 | $0.00 | 38,177.0000 | 136,000,000 | 10.26% | 0.00% |
| Feb. 6, 2025 | Leidos Holdings, Inc. | $LDOS | Porter Elizabeth A | Sector President | A | Common Stock | 6064 | $0.00 | 44,241.0000 | 136,000,000 | 15.88% | 0.00% |
| Aug. 7, 2024 | Leidos Holdings, Inc. | $LDOS | Porter Elizabeth A | Sector President | F | Common Stock | 269 | $143.29 | 34,623.0000 | 138,000,000 | 0.77% | 0.00% |
| March 8, 2024 | Leidos Holdings, Inc. | $LDOS | Porter Elizabeth A | Sector President | A | Stock Option (Right to Buy) | 8814 | $0.00 | 8,814.0000 | 138,000,000 | 9999.99% | 0.01% |
| March 6, 2024 | Leidos Holdings, Inc. | $LDOS | Porter Elizabeth A | Sector President | F | Common Stock | 68 | $129.30 | 34,892.0000 | 138,000,000 | 0.19% | 0.00% |
| March 5, 2024 | Leidos Holdings, Inc. | $LDOS | Porter Elizabeth A | Sector President | F | Common Stock | 410 | $129.52 | 34,960.0000 | 138,000,000 | 1.16% | 0.00% |
| March 4, 2024 | Leidos Holdings, Inc. | $LDOS | Porter Elizabeth A | Sector President | F | Common Stock | 670 | $127.44 | 35,370.0000 | 138,000,000 | 1.86% | 0.00% |
| March 3, 2024 | Leidos Holdings, Inc. | $LDOS | Porter Elizabeth A | Sector President | F | Common Stock | 376 | $127.44 | 36,040.0000 | 138,000,000 | 1.03% | 0.00% |
| Feb. 16, 2024 | Leidos Holdings, Inc. | $LDOS | Porter Elizabeth A | Sector President | M | Common Stock | 3268 | $53.54 | 38,493.0000 | 138,000,000 | 9.28% | 0.00% |
| Feb. 16, 2024 | Leidos Holdings, Inc. | $LDOS | Porter Elizabeth A | Sector President | F | Common Stock | 2077 | $122.19 | 36,416.0000 | 138,000,000 | 5.40% | 0.00% |
| Feb. 16, 2024 | Leidos Holdings, Inc. | $LDOS | Porter Elizabeth A | Sector President | M | Stock Option (Right to Buy) | 3268 | $0.00 | 0.0000 | 138,000,000 | 100.00% | 0.00% |
| Feb. 8, 2024 | Leidos Holdings, Inc. | $LDOS | Porter Elizabeth A | Sector President | F | Common Stock | 1607 | $113.08 | 35,225.0000 | 138,000,000 | 4.36% | 0.00% |
| Feb. 8, 2024 | Leidos Holdings, Inc. | $LDOS | Porter Elizabeth A | Sector President | A | Common Stock | 8388 | $0.00 | 36,832.0000 | 138,000,000 | 29.49% | 0.01% |
| Aug. 7, 2023 | Leidos Holdings, Inc. | $LDOS | Porter Elizabeth A | Group President | F | Common Stock | 269 | $97.10 | 28,444.0000 | 138,000,000 | 0.94% | 0.00% |
| Aug. 4, 2023 | Leidos Holdings, Inc. | $LDOS | Porter Elizabeth A | Group President | A | Common Stock | 10163 | $0.00 | 28,713.0000 | 138,000,000 | 54.79% | 0.01% |
| March 8, 2023 | Leidos Holdings, Inc. | $LDOS | Porter Elizabeth A | Group President | F | Common Stock | 112 | $96.52 | 18,550.0000 | 138,000,000 | 0.60% | 0.00% |
| March 4, 2023 | Leidos Holdings, Inc. | $LDOS | Porter Elizabeth A | Group President | F | Common Stock | 376 | $97.30 | 19,026.0000 | 138,000,000 | 1.94% | 0.00% |
| March 3, 2023 | Leidos Holdings, Inc. | $LDOS | Porter Elizabeth A | Group President | A | Stock Option (Right to Buy) | 9555 | $0.00 | 9,555.0000 | 138,000,000 | 9999.99% | 0.01% |
| March 6, 2023 | Leidos Holdings, Inc. | $LDOS | Porter Elizabeth A | Group President | F | Common Stock | 68 | $97.30 | 18,662.0000 | 138,000,000 | 0.36% | 0.00% |
| March 5, 2023 | Leidos Holdings, Inc. | $LDOS | Porter Elizabeth A | Group President | F | Common Stock | 296 | $97.30 | 18,730.0000 | 138,000,000 | 1.56% | 0.00% |
| Feb. 9, 2023 | Leidos Holdings, Inc. | $LDOS | Porter Elizabeth A | Group President | F | Common Stock | 1435 | $98.96 | 19,402.0000 | 138,000,000 | 6.89% | 0.00% |
| Feb. 9, 2023 | Leidos Holdings, Inc. | $LDOS | Porter Elizabeth A | Group President | A | Common Stock | 6940 | $0.00 | 20,837.0000 | 138,000,000 | 49.94% | 0.01% |