Charles N York II
COO and CFO · 3 filings · Latest: Apr 23, 2026
Day One Biopharmaceuticals, Inc.
| Ticker | Owner | Relationship | Date | Transaction | Cost | #Shares | Value ($) | #Shares Total | SEC Filing |
|---|---|---|---|---|---|---|---|---|---|
DAWN | Charles N York II | COO and CFO | Feb 17, 2026 | Sale | $11.60 | 6,065 | $70.4K | 312,025 | |
DAWN | Charles N York II | COO and CFO | Feb 15, 2026 | Option Exercise | — | 23,375 | — | 318,090 | |
DAWN | CHARLES YORK | — | Feb 17, 2026 | Proposed Sale | $11.60 | 6,065 | $70.4K | — | |
DAWN | CHARLES YORK | — | Nov 17, 2025 | Proposed Sale | $8.91 | 4,062 | $36.2K | — | |
DAWN | CHARLES YORK | — | May 16, 2025 | Proposed Sale | $6.26 | 4,282 | $26.8K | — | |
DAWN | CHARLES YORK | — | Feb 18, 2025 | Proposed Sale | $11.96 | 4,370 | $52.3K | — |