Moleculin Biotech, Inc. (MBRX) Insider Trading

Moleculin Biotech, Inc. (MBRX) has 6 SEC Form 4 insider filings on record in the last 90 days. That includes 3 insider purchases totalling $0. Most recent filing: Aug. 5, 2026.

Filings
6
Purchases
3
$0
Sales
0
$0
Insiders
3

Most active MBRX insiders

KLEMP WALTER V
CEO and President
1 bought · 0 sold · Aug. 5, 2026
$381
Foster Jonathan P.
Chief Financial Officer
1 bought · 0 sold · Aug. 5, 2026
$217
PICKER DONALD H
Chief Science Officer
1 bought · 0 sold · Aug. 5, 2026
$103

Latest MBRX Form 4 filings

Date Insider Value Shares Stake Pre-planned Links
Aug. 5, 2026 filed Aug. 3, 2026 Foster Jonathan P. Chief Financial Officer $0 1,173,332 +40% No
Aug. 5, 2026 filed Aug. 3, 2026 KLEMP WALTER V CEO and President $0 2,133,332 +38% No
Aug. 5, 2026 filed Aug. 3, 2026 PICKER DONALD H Chief Science Officer $0 693,332 +47% No
June 24, 2026 filed June 20, 2026 PICKER DONALD H Chief Science Officer +81 +0% No
June 24, 2026 filed June 20, 2026 KLEMP WALTER V CEO and President +385 +0% No

Showing the 5 most recent of 6 filings in the last 90 days.

About this data

Form 4 is the filing company officers, directors and 10% shareholders must submit to the SEC within two business days of trading their own company's stock. Open-market purchases generally carry more signal than sales, which are often scheduled in advance. More on how this works.

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