MBRX
Moleculin Biotech, Inc. · Healthcare · Market cap $122.9M
Insiders bought and sold in equal measure in the last 90 days ·0 sellers, 3 buyers· latest Form 4 filed Aug 5, 2026
Insider Buying
$0
reported purchases (SEC code P)
Insider Selling
$0
reported sales (SEC code S)
Unique Insiders
3
in the rolling window
Latest filing
Oct 17, 2026
KLEMP WALTER V
Moleculin Biotech, Inc. (MBRX) has 11 SEC Form 4 filings (25 transaction rows) in the rolling window, disclosed by 3 distinct insiders. Most recent filing: Oct 17, 2026.
Inside the rolling window, 3 insiders at Moleculin Biotech, Inc. reported 3 open-market purchases and no open-market sales. The most recent open-market filing is a purchase of 533,333 shares by CEO and President KLEMP WALTER V, dated Aug 3, 2026.
- Industry:Biotechnology
- CEO:Walter V. Klemp
- Employees:17
- HQ:Houston, TX, US
- IPO:2016-06-02
| Source | |||||||
|---|---|---|---|---|---|---|---|
KLEMP WALTER VFirst filing | CEO and President | Purchase | 533,333 | — | Aug 5 | +1517.9% | SEC ↗ |
Foster Jonathan P.First filing | Chief Financial Officer | Purchase | 293,333 | — | Aug 5 | +1517.9% | SEC ↗ |
PICKER DONALD HFirst filing | Chief Science Officer | Purchase | 173,333 | — | Aug 5 | +1517.9% | SEC ↗ |
Earnings: last 7 quarters
Frequently asked questions
How many SEC Form 4 insider filings does MBRX have?
Moleculin Biotech, Inc. (MBRX) has 11 SEC Form 4 filings (25 transaction rows) in the rolling 365-day window, disclosed by 3 distinct insiders. Most recent filing: Oct 17, 2026.
When was the most recent SEC Form 4 filing for MBRX?
The most recent Form 4 filing for MBRX on Tracefour is dated Oct 17, 2026.
Can I get alerts for MBRX insider trading?
Yes. Tracefour sends a free email when a new SEC Form 4 purchase or sale is filed at Moleculin Biotech, Inc. (MBRX). Alerts are set per company from the page itself, there is no paid tier, and each email links to the original filing on SEC EDGAR.
Related companies
Moleculin Biotech, Inc. is in the Healthcare sector.