Senior insider sale
COO, CFO and Secretary at DAY ONE BIOPHARMACEUTICALS, INC. — senior position signals high conviction
$70.4K
6.07K shares
What this filing means
YORK CHARLES N II plans to sell 6.07K shares of DAY ONE BIOPHARMACEUTICALS, INC. valued at approximately $70.4K. Form 144 is a notice of intent to sell restricted or control securities — not a mandatory transaction. This filing provides advance warning of potential selling pressure.
Filed: 2/17/2026ACC: 0001950047-26-001416
Officer· COO, CFO and Secretary
Since May 2021
6.07K
Shares to sell
$70.4K
Approx. market value
6.07K
Acquired (3 months)
1
Planned
Securities Acquired — Last 3 Months1
Restricted Stock
Not Applicable
2/15/2026
6.07KTotal acquired6.07K
| Acquisition Date | Type | Amount Acquired | Gift |
|---|---|---|---|
2/15/2026 | Restricted Stock Not Applicable | 6.07K | — |
| Total | 6.07K | ||
Planned & Completed Dispositions1
NASDAQPlanned
Units to sell
6.07K
Market value
$70.4K
2/17/2026
Total
Units
6.07K
Value
$70.4K
| Date | Units to Sell | Approx. Market Value | Exchange | Status |
|---|---|---|---|---|
2/17/2026 | 6.07K | $70.4K | NASDAQ | Planned |
| Total | 6.07K | $70.4K | ||