Arkolith/Insider Trading/DAWN/Form 4

Vasconcelles Michael

Head of Research and Dev.Day One Biopharmaceuticals, Inc. (DAWN) · full profile →Form 4 · filed Feb 18, 2026
Net Selling
Open-Market Buys
$0
Open-Market Sells
$32K
Net Open-Market Flow
-$32K
Transactions
3
2 non-derivative · 1 derivative

Non-Derivative Transactions (Table I)

DateActionSharesPriceValueOwned After
Feb 17, 2026Sell(S)3K$11.60$32K4K
Feb 15, 2026Option exercise(M)7K——7K

Derivative Transactions (Table II)

DateActionSharesPriceValueOwned After
Feb 15, 2026Option exercise(M)7K—$0107K

Transaction Codes

S
Open-market sale
M
Option exercise / conversion

Data Source & Provenance

Parsed from a single SEC EDGAR Form 4 filing (accession 0001734755-26-000004) within minutes of acceptance. Every field above traces to the original document. Verify it directly:

View original filing on SEC.govRaw Form 4 XML