Hornby Zachary has filed 11 insider transactions across 1 company since March 2024.
Most recent transaction: a grant/award of 600000 shares of Boundless Bio, Inc. ($BOLD) on January 23, 2026.
| Transaction Date | Company | Ticker | Insider Name | Title | Transaction Type | Security | Shares | Price | Shares Owned Following | Total Shares Outstanding | % of Owned | % of Outstanding |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Jan. 23, 2026 | Boundless Bio, Inc. | $BOLD | Hornby Zachary | President & CEO | A | Stock Option (right to buy) | 600000 | $0.00 | 600,000.0000 | 22,386,000 | 9999.99% | 2.68% |
| Jan. 22, 2025 | Boundless Bio, Inc. | $BOLD | Hornby Zachary | President & CEO | A | Stock Option | 295000 | $0.00 | 295,000.0000 | 22,300,000 | 9999.99% | 1.32% |
| Aug. 19, 2024 | Boundless Bio, Inc. | $BOLD | Hornby Zachary | President & CEO | D | Stock Option | 256410 | $0.00 | 0.0000 | 1,248 | 100.00% | 100.00% |
| Aug. 19, 2024 | Boundless Bio, Inc. | $BOLD | Hornby Zachary | President & CEO | D | Stock Option | 257207 | $0.00 | 0.0000 | 1,248 | 100.00% | 100.00% |
| Aug. 19, 2024 | Boundless Bio, Inc. | $BOLD | Hornby Zachary | President & CEO | D | Stock Option | 162343 | $0.00 | 0.0000 | 1,248 | 100.00% | 100.00% |
| Aug. 19, 2024 | Boundless Bio, Inc. | $BOLD | Hornby Zachary | President & CEO | A | Stock Option | 256410 | $0.00 | 256,410.0000 | 1,248 | 9999.99% | 100.00% |
| Aug. 19, 2024 | Boundless Bio, Inc. | $BOLD | Hornby Zachary | President & CEO | A | Stock Option | 471282 | $0.00 | 471,282.0000 | 1,248 | 9999.99% | 100.00% |
| Aug. 19, 2024 | Boundless Bio, Inc. | $BOLD | Hornby Zachary | President & CEO | A | Stock Option | 257207 | $0.00 | 257,207.0000 | 1,248 | 9999.99% | 100.00% |
| Aug. 19, 2024 | Boundless Bio, Inc. | $BOLD | Hornby Zachary | President & CEO | A | Stock Option | 162343 | $0.00 | 162,343.0000 | 1,248 | 9999.99% | 100.00% |
| Aug. 19, 2024 | Boundless Bio, Inc. | $BOLD | Hornby Zachary | President & CEO | D | Stock Option | 471282 | $0.00 | 0.0000 | 1,248 | 100.00% | 100.00% |
| March 27, 2024 | Boundless Bio, Inc. | $BOLD | Hornby Zachary | President & CEO | A | Stock Option | 162343 | $0.00 | 162,343.0000 | 1,248 | 9999.99% | 100.00% |