Arkolith/Insider Trading/PHAT/Form 4

Basta Steven L

President and CEO, DirectorPhathom Pharmaceuticals, Inc. (PHAT) · full profile →Form 4 · filed Sep 26, 2025
No Open-Market Flow
Open-Market Buys
$0
Open-Market Sells
$0
Net Open-Market Flow
$0
Transactions
3
2 non-derivative · 1 derivative

Non-Derivative Transactions (Table I)

DateActionSharesPriceValueOwned After
Sep 25, 2025Option exercise(M)90K—$090K
Sep 25, 2025Tax withholding(F)48K$11.66$564K42K

Derivative Transactions (Table II)

DateActionSharesPriceValueOwned After
Sep 25, 2025Option exercise(M)90K—$0270K

Transaction Codes

M
Option exercise / conversion
F
Shares withheld for taxes

Data Source & Provenance

Parsed from a single SEC EDGAR Form 4 filing (accession 0001193125-25-220950) within minutes of acceptance. Every field above traces to the original document. Verify it directly:

View original filing on SEC.govRaw Form 4 XML