Michael Vasconcelles insider trades: Day One Biopharmaceuticals (DAWN) stock sales
Trades on the price chart
Daily close, with an arrow on each day they bought or sold
Companies
Where Michael reports to the SEC






Open-market buys and sales
1 trade reported on SEC Form 4, newest first
| Date | Stock | Type | Shares | Price | Value | Holding | Reported |
|---|---|---|---|---|---|---|---|
| Feb 17, 2026 | DAWN | ↓ Sell | 2,728 | $11.60 | $32K | Direct | Feb 18, 2026 (1d) |
Each row is one filing's trades in one stock, summed. Shares and prices are as filed, before any later stock split.
Other DAWN insiders
Open-market trades in the last 12 months
About Michael Vasconcelles's insider trades
Michael Vasconcelles is Head of Research and Dev. at Day One Biopharmaceuticals (DAWN). Since Feb 17, 2026, Michael has reported no open-market purchases and 1 sale worth $32K on SEC Form 4. In the last 12 months: 1 sale ($32K).
Their filings also include grants and awards (10 filings), shares returned to the company (2 filings), option exercises (1 filing). These aren't open-market trades and aren't counted above.
How to read insider trades
Officers, directors and owners of more than 10% of a company must report trades in its stock on SEC Form 4, usually within two business days. Purchases with their own money are the stronger signal: insiders sell for many reasons (taxes, diversification, a house), but buy for one. See every DAWN insider trade, the latest insider trades across the market, or cluster buys, when several insiders buy the same stock within days.