Arkolith/Insider Trading/MBRX/Form 4

Klemp Walter V

CEO and President, DirectorMoleculin Biotech, Inc. (MBRX) · full profile →Form 4 · filed Jun 23, 2025
Net Buying
Open-Market Buys
$250K
Open-Market Sells
$0
Net Open-Market Flow
$250K
Transactions
8
5 non-derivative · 3 derivative

Non-Derivative Transactions (Table I)

DateActionSharesPriceValueOwned After
Jun 23, 2025Buy(P)676K$0.37$250K744K
Jun 22, 2025Option exercise(M)9K——70K
Jun 22, 2025Tax withholding(F)2K$0.27$59168K
Jun 20, 2025Option exercise(M)4K——62K
Jun 20, 2025Tax withholding(F)914$0.27$24761K

Derivative Transactions (Table II)

DateActionSharesPriceValueOwned After
Jun 23, 2025Buy(P)2.0M——2.4M
Jun 22, 2025Option exercise(M)9K—$0382K
Jun 20, 2025Option exercise(M)4K—$0391K

Transaction Codes

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

Data Source & Provenance

Parsed from a single SEC EDGAR Form 4 filing (accession 0001437749-25-021050) within minutes of acceptance. Every field above traces to the original document. Verify it directly:

View original filing on SEC.govRaw Form 4 XML