Skip to main content
Livermore
Livermore
中文EN

Moleculin Biotech, Inc.

MBRX
Exchange
Nasdaq
Industry
Pharmaceutical Preparations
SEC CIK
0001659617

In the last 90 days, Moleculin Biotech, Inc. insiders filed 3 open-market purchases and 0 sales; 18 institutions reported holding it in 13F filings for Q2 2026, worth $518.5K in total; no superinvestor holds it.

Open-market trades, last 90 days

Open-market purchases (P) and sales (S) by Moleculin Biotech, Inc. insiders, counted by Form 4 filing. Trades with a flagged price and duplicate filings are left out.

Open-market buys
3 filings
3 insiders, – in total
Open-market sells
0 filings
Insiders trading
3
Net value
$0
Purchases minus sales

Insider roster

Directors, officers and 10% owners who have filed a Form 4 for Moleculin Biotech, Inc., current and former, most recent filer first. Last reported holding is the position after the last non-derivative trade in their latest filing.

Insider roster for Moleculin Biotech, Inc.
NameTitleLast reported holdingLast filingFilings, past year
Foster Jonathan P.Chief Financial Officer305,673Aug 5, 20264
Klemp Walter VCEO and President564,340Aug 5, 20264
Picker Donald HChief Science Officer174,086Aug 5, 20264
Cannon Michael DDirector–Nov 14, 20251
Cermak ElizabethDirector–Nov 14, 20251
Climaco John MDirector–Nov 14, 20251
George Robert E.Director14,660Nov 14, 20251
Yan JoyDirector–Nov 14, 20251

Insider trades

Each row adds up one type of transaction in one Form 4 filing. Only open-market purchases (P) and sales (S) are shown by default; use the filters to see grants, option exercises and other codes.

Insider trades
Filed (ET)Trade dateFiling delayInsiderTransactionSharesAvg priceValueHolding changeFlags
Aug 5, 2026 (view filing)4:16 PM ETAug 32 daysFoster Jonathan P.Chief Financial OfficerPPurchase+293.3K––+2,377.1%305.7K after
Aug 5, 2026 (view filing)4:16 PM ETAug 32 daysFoster Jonathan P.Chief Financial OfficerPPurchase+880.0K–––1.03M afterDerivative
Aug 5, 2026 (view filing)4:16 PM ETAug 32 daysKlemp Walter VCEO and PresidentPPurchase+533.3K––+1,720.0%564.3K after
Aug 5, 2026 (view filing)4:15 PM ETAug 32 daysPicker Donald HChief Science OfficerPPurchase+173.3K––+23,019.0%174.1K after
Aug 5, 2026 (view filing)4:15 PM ETAug 32 daysPicker Donald HChief Science OfficerPPurchase+520.0K–––539.6K afterDerivative
Jun 23, 2025 (view filing)4:35 PM ETJun 23Same dayFoster Jonathan P.Chief Financial OfficerPPurchase+270.3K$0.37+$100.0K+1,560.7%287.6K after
Jun 23, 2025 (view filing)4:35 PM ETJun 23Same dayFoster Jonathan P.Chief Financial OfficerPPurchase−810.8K–––1.04M afterDerivative
Jun 23, 2025 (view filing)4:35 PM ETJun 23Same dayKlemp Walter VCEO and PresidentPPurchase+675.7K$0.37+$250.0K+994.6%743.6K after
Jun 23, 2025 (view filing)4:35 PM ETJun 23Same dayKlemp Walter VCEO and PresidentPPurchase−2.03M–––2.41M afterDerivative
Dec 27, 2023 (view filing)Dec 261 dayFoster Jonathan P.Chief Financial OfficerPPurchase+29.0K$0.69+$20.0K+56.2%80.6K after
Dec 27, 2023 (view filing)Dec 261 dayGeorge Robert E.DirectorPPurchase+14.5K$0.69+$10.0K+8,678.4%14.7K after
Dec 27, 2023 (view filing)Dec 261 dayKlemp Walter VCEO and PresidentPPurchase+188.4K$0.69+$130.0K+38.3%680.9K after
Nov 28, 2022 (view filing)Nov 253 daysKlemp Walter VCEO and PresidentPPurchase+45.0K$1.28+$57.6K+12.3%409.9K after
Nov 23, 2022 (view filing)Nov 212 daysKlemp Walter VCEO and PresidentPPurchase+22.5K$1.15+$25.9K+6.6%364.9K after
Nov 18, 2022 (view filing)Nov 16-172 daysKlemp Walter VCEO and PresidentPPurchase+110.0K$0.9813+$107.9K+47.3%342.4K after2 lots