Arkolith/Insider Trading/DAWN/Form 4

York Charles N II

COO and CFODay One Biopharmaceuticals, Inc. (DAWN) · full profile →Form 4 · filed Feb 18, 2026
Net Selling
Open-Market Buys
$0
Open-Market Sells
$70K
Net Open-Market Flow
-$70K
Transactions
9
5 non-derivative · 4 derivative

Non-Derivative Transactions (Table I)

DateActionSharesPriceValueOwned After
Feb 17, 2026Sell(S)6K$11.60$70K312K
Feb 15, 2026Option exercise(M)2K——297K
Feb 15, 2026Option exercise(M)7K——304K
Feb 15, 2026Option exercise(M)7K——310K
Feb 15, 2026Option exercise(M)8K——318K

Derivative Transactions (Table II)

DateActionSharesPriceValueOwned After
Feb 15, 2026Option exercise(M)7K—$073K
Feb 15, 2026Option exercise(M)8K—$0118K
Feb 15, 2026Option exercise(M)2K—$07K
Feb 15, 2026Option exercise(M)7K—$046K

Transaction Codes

S
Open-market sale
M
Option exercise / conversion

Data Source & Provenance

Parsed from a single SEC EDGAR Form 4 filing (accession 0001655962-26-000004) within minutes of acceptance. Every field above traces to the original document. Verify it directly:

View original filing on SEC.govRaw Form 4 XML