Arkolith/Insider Trading/PHAT/Form 4

Basta Steven L

President and CEO, DirectorPhathom Pharmaceuticals, Inc. (PHAT) · full profile →Form 4 · filed Dec 2, 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
Nov 28, 2025Tax withholding(F)48K$15.62$756K83K
Nov 28, 2025Option exercise(M)90K—$0132K

Derivative Transactions (Table II)

DateActionSharesPriceValueOwned After
Nov 28, 2025Option exercise(M)90K—$0180K

Transaction Codes

F
Shares withheld for taxes
M
Option exercise / conversion

Data Source & Provenance

Parsed from a single SEC EDGAR Form 4 filing (accession 0001193125-25-305575) within minutes of acceptance. Every field above traces to the original document. Verify it directly:

View original filing on SEC.govRaw Form 4 XML