Arkolith/Insider Trading/MBRX/Form 4

Klemp Walter V

CEO and President, DirectorMoleculin Biotech, Inc. (MBRX) · full profile →Form 4 · filed Jun 24, 2026
No Open-Market Flow
Open-Market Buys
$0
Open-Market Sells
$0
Net Open-Market Flow
$0
Transactions
6
4 non-derivative · 2 derivative

Non-Derivative Transactions (Table I)

DateActionSharesPriceValueOwned After
Jun 22, 2026Option exercise(M)360——31K
Jun 22, 2026Tax withholding(F)88$3.12$27531K
Jun 20, 2026Option exercise(M)150——31K
Jun 20, 2026Tax withholding(F)37$2.88$10731K

Derivative Transactions (Table II)

DateActionSharesPriceValueOwned After
Jun 22, 2026Option exercise(M)360—$0326K
Jun 20, 2026Option exercise(M)150—$0327K

Transaction Codes

M
Option exercise / conversion
F
Shares withheld for taxes

Data Source & Provenance

Parsed from a single SEC EDGAR Form 4 filing (accession 0001437749-26-021611) within minutes of acceptance. Every field above traces to the original document. Verify it directly:

View original filing on SEC.govRaw Form 4 XML

Keep exploring

Connected pages for Moleculin Biotech, Inc.

Build

Ask your agent about MBRX insider filings

This filing is the Follow view. The Build view lets your agent pull every Form 4 for the issuer, the net open-market picture over 90 days, and the accession behind each row, through REST or MCP.

Get a key Compare plansForm 4 data
Copy-paste
curl -H "Authorization: Bearer YOUR_API_KEY" \
  "https://arkolith.com/api/v1/filing/0001437749-26-021611"
Ask your agent
Use Arkolith to summarize insider buying and selling at Moleculin Biotech, Inc.
over the last 90 days and cite the filings.