Merendino Lauren's Form 4 filing
Day One Biopharmaceuticals, Inc. (DAWN) · filed Nov 18, 2025
- Accession no.
- 0001855298-25-000007
- Filed
- Nov 18, 2025
- Trade date
- Nov 15-17, 2025
- Filing delay
- 3 days
- Rule 10b5-1 plan
- Not checked
This filing lists 4 non-derivative transactions and 3 derivative transactions. Open-market sales total $33.2K. It was filed 3 days after the trade.
Reporting owners
A Form 4 can have several reporting owners, such as a person and a fund they control. Trade tables show the first one.
| Owner | Relationship to the company |
|---|---|
| Merendino LaurenCIK 0001855298 | Officer (Chief Commercial Officer) |
Non-derivative securities (Table I)
Acquisitions and disposals of common stock and similar shares, one row per line on the filing.
| Trade date | Security | Transaction | Shares | Price | Value | Shares after | Ownership | Flags |
|---|---|---|---|---|---|---|---|---|
| Nov 15, 2025 | Common Stock | MOption exerciseAcquired | +3,162 | – | – | 47,161 | Direct | |
| Nov 15, 2025 | Common Stock | MOption exerciseAcquired | +3,687 | – | – | 50,848 | Direct | |
| Nov 15, 2025 | Common Stock | MOption exerciseAcquired | +3,687 | – | – | 54,535 | Direct | |
| Nov 17, 2025 | Common Stock | SSaleDisposed | −3,726 | $8.91 | −$33,198.66 | 50,809 | Direct |
Derivative securities (Table II)
Options, warrants, restricted stock units and similar. Shares are the underlying shares; price and value are for the derivative itself, and the holding after is in derivative units.
| Trade date | Security | Transaction | Underlying shares | Unit price | Value | Held after | Ownership | Flags |
|---|---|---|---|---|---|---|---|---|
| Nov 15, 2025 | Common Stock | MOption exerciseDisposed | −3,162 | $0.00 | $0 | 22,140 | Direct | |
| Nov 15, 2025 | Common Stock | MOption exerciseDisposed | −3,687 | $0.00 | $0 | 29,504 | Direct | |
| Nov 15, 2025 | Common Stock | MOption exerciseDisposed | −3,687 | $0.00 | $0 | 44,252 | Direct |
Footnotes
Livermore does not store Form 4 footnotes. For price ranges, how indirect holdings are held and trading plan details, read the original on SEC EDGAR.