Arkolith/Insider Trading/MBRX/Form 4

Foster Jonathan P.

Chief Financial OfficerMoleculin Biotech, Inc. (MBRX) · full profile →Form 4 · filed Jun 23, 2025
Net Buying
Open-Market Buys
$100K
Open-Market Sells
$0
Net Open-Market Flow
$100K
Transactions
8
5 non-derivative · 3 derivative

Non-Derivative Transactions (Table I)

DateActionSharesPriceValueOwned After
Jun 23, 2025Buy(P)270K$0.37$100K288K
Jun 22, 2025Tax withholding(F)1K$0.27$28517K
Jun 22, 2025Option exercise(M)4K——18K
Jun 20, 2025Option exercise(M)3K——15K
Jun 20, 2025Tax withholding(F)661$0.27$17814K

Derivative Transactions (Table II)

DateActionSharesPriceValueOwned After
Jun 23, 2025Buy(P)811K——1.0M
Jun 22, 2025Option exercise(M)4K—$0228K
Jun 20, 2025Option exercise(M)3K—$0232K

Transaction Codes

P
Open-market purchase
F
Shares withheld for taxes
M
Option exercise / conversion

Data Source & Provenance

Parsed from a single SEC EDGAR Form 4 filing (accession 0001437749-25-021051) within minutes of acceptance. Every field above traces to the original document. Verify it directly:

View original filing on SEC.govRaw Form 4 XML