Litton Mark James, President and CEO of LeonaBio Inc. ($LONA), sold shares on the open market three times in the last year, totaling $52,853. His most recent sale occurred on March 4, 2026. These sales rank 10,331st among 11,678 individual insiders, compared to an average of $8.6 million per seller and about 6.4 transactions. He 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 4, 2026 | LeonaBio, Inc. | $LONA | Litton Mark James | PRESIDENT and CEO | S | Common Stock | 5156 | $5.37 | 59,894.0000 | 3,943,887 | 7.93% | 0.13% |
| March 3, 2026 | LeonaBio, Inc. | $LONA | Litton Mark James | PRESIDENT and CEO | M | Restricted Stock Units | 22254 | $0.00 | 0.0000 | 3,943,887 | 100.00% | 0.56% |
| March 3, 2026 | LeonaBio, Inc. | $LONA | Litton Mark James | PRESIDENT and CEO | M | Common Stock | 22254 | $0.00 | 65,050.0000 | 3,943,887 | 52.00% | 0.56% |
| Jan. 2, 2026 | LeonaBio, Inc. | $LONA | Litton Mark James | President and CEO | S | Common Stock | 2586 | $6.88 | 42,796.0000 | 3,943,887 | 5.70% | 0.07% |
| Dec. 31, 2025 | LeonaBio, Inc. | $LONA | Litton Mark James | President and CEO | M | Restricted Stock Units | 10834 | $0.00 | 0.0000 | 3,943,887 | 100.00% | 0.27% |
| Dec. 31, 2025 | LeonaBio, Inc. | $LONA | Litton Mark James | President and CEO | M | Common Stock | 10834 | $0.00 | 45,382.0000 | 3,943,887 | 31.36% | 0.27% |
| Dec. 24, 2025 | LeonaBio, Inc. | $LONA | Litton Mark James | President and CEO | A | Stock Option (Right to Buy) | 133526 | $0.00 | 133,526.0000 | 3,943,887 | 9999.99% | 3.39% |
| June 30, 2025 | LeonaBio, Inc. | $LONA | Litton Mark James | President and CEO | M | Restricted Stock Units | 108334 | $0.00 | 108,333.0000 | 39,042,445 | 50.00% | 0.28% |
| June 30, 2025 | LeonaBio, Inc. | $LONA | Litton Mark James | President and CEO | M | Common Stock | 108334 | $0.00 | 370,614.0000 | 39,042,445 | 41.30% | 0.28% |
| July 1, 2025 | LeonaBio, Inc. | $LONA | Litton Mark James | President and CEO | S | Common Stock | 25123 | $0.29 | 345,491.0000 | 39,042,445 | 6.78% | 0.06% |
| March 3, 2025 | LeonaBio, Inc. | $LONA | Litton Mark James | President and CEO | A | Stock Option (Right to Buy) | 333815 | $0.00 | 333,815.0000 | 39,042,445 | 9999.99% | 0.86% |
| March 3, 2025 | LeonaBio, Inc. | $LONA | Litton Mark James | President and CEO | A | Restricted Stock Units | 222543 | $0.00 | 222,543.0000 | 39,042,445 | 9999.99% | 0.57% |
| Dec. 31, 2024 | LeonaBio, Inc. | $LONA | Litton Mark James | President and CEO | M | Common Stock | 108333 | $0.00 | 287,387.0000 | 0 | 60.50% | 0.00% |
| Dec. 31, 2024 | LeonaBio, Inc. | $LONA | Litton Mark James | President and CEO | M | Restricted Stock Units | 108333 | $0.00 | 216,667.0000 | 0 | 33.33% | 0.00% |
| Jan. 2, 2025 | LeonaBio, Inc. | $LONA | Litton Mark James | President and CEO | S | Common Stock | 25107 | $0.56 | 262,280.0000 | 0 | 8.74% | 0.00% |
| Oct. 3, 2024 | LeonaBio, Inc. | $LONA | Litton Mark James | President and CEO | A | Restricted Stock Units | 325000 | $0.00 | 325,000.0000 | 0 | 9999.99% | 0.00% |
| Oct. 3, 2024 | LeonaBio, Inc. | $LONA | Litton Mark James | President and CEO | A | Stock Option (Right to Buy) | 325000 | $0.00 | 325,000.0000 | 0 | 9999.99% | 0.00% |
| Oct. 3, 2024 | LeonaBio, Inc. | $LONA | Litton Mark James | President and CEO | A | Stock Option (Right to Buy) | 325000 | $0.00 | 325,000.0000 | 0 | 9999.99% | 0.00% |
| Sept. 3, 2024 | LeonaBio, Inc. | $LONA | Litton Mark James | President and CEO | A | Common Stock | 20000 | $0.00 | 184,086.0000 | 0 | 12.19% | 0.00% |
| Sept. 5, 2024 | LeonaBio, Inc. | $LONA | Litton Mark James | President and CEO | S | Common Stock | 5032 | $0.57 | 179,054.0000 | 0 | 2.73% | 0.00% |
| Jan. 4, 2024 | LeonaBio, Inc. | $LONA | Litton Mark James | CEO | A | Common Stock | 20000 | $0.00 | 168,906.0000 | 0 | 13.43% | 0.00% |
| Feb. 15, 2024 | LeonaBio, Inc. | $LONA | Litton Mark James | CEO | A | Stock Option (Right to Buy) | 650000 | $0.00 | 650,000.0000 | 0 | 9999.99% | 0.00% |
| Jan. 5, 2024 | LeonaBio, Inc. | $LONA | Litton Mark James | CEO | S | Common Stock | 4820 | $2.91 | 164,086.0000 | 0 | 2.85% | 0.00% |
| Jan. 5, 2024 | LeonaBio, Inc. | $LONA | Litton Mark James | Chief Executive Officer | S | Common Stock | 4820 | $2.91 | 164,086.0000 | 0 | 2.85% | 0.00% |
| Jan. 4, 2024 | LeonaBio, Inc. | $LONA | Litton Mark James | Chief Executive Officer | A | Common Stock | 20000 | $0.00 | 168,906.0000 | 0 | 13.43% | 0.00% |
| Nov. 18, 2022 | LeonaBio, Inc. | $LONA | Litton Mark James | Chief Executive Officer | A | Common Stock | 662 | $2.74 | 148,906.0000 | 0 | 0.45% | 0.00% |
| Jan. 27, 2023 | LeonaBio, Inc. | $LONA | Litton Mark James | Chief Executive Officer | A | Stock Option (Right to Buy) | 425000 | $0.00 | 425,000.0000 | 0 | 9999.99% | 0.00% |