NASDAQ · MBRX

Moleculin Biotech, Inc.

Closing price · Nov 13, 2026 $7.87

Latest quarter · ended Sep 30, 2026

Sales slipped and cash got weaker

descriptionFiled Nov 13, 2026
Revenue growth
—Sales for the quarter: $0
Cash from operationsWorse
−$8.97M
Quarter ended Dec 31, 2024: −$5.08M cash from operationsQuarter ended Mar 31, 2025: −$4.56M cash from operationsQuarter ended Jun 30, 2025: −$5.58M cash from operationsQuarter ended Sep 30, 2025: −$7.22M cash from operationsQuarter ended Dec 31, 2025: −$5.37M cash from operationsQuarter ended Mar 31, 2026: −$6.11M cash from operationsQuarter ended Jun 30, 2026: −$6.66M cash from operationsQuarter ended Sep 30, 2026: −$8.97M cash from operations
Dec '24Sep '26
vs. −$7.22M a year ago
Share countBuying back
−97.9%
Quarter ended Dec 31, 2024: 14M sharesQuarter ended Mar 31, 2025: 14.13M sharesQuarter ended Jun 30, 2025: 30.29M sharesQuarter ended Sep 30, 2025: 50.91M sharesQuarter ended Dec 31, 2025: 5.34M sharesQuarter ended Mar 31, 2026: 5.34M sharesQuarter ended Jun 30, 2026: 19.48M sharesQuarter ended Sep 30, 2026: 1.06M shares
Dec '24Sep '26
1.06M shares vs. 50.91M a year ago

Numbers come from the company's own 10-Q and 10-K reports filed with the SEC. Each bar is one quarter, oldest on the left. The colored bar is the latest. Hover over or tap a bar to see its number.

Smart money pulse

What insiders and funds are doing

Mixed Insiders: as of Nov 13 Funds: as of Jun 30, 2026
−1000+100 0
  • info
    No real insider sales in 12 months. Planned 10b5-1 sales and tax withholding are left out.

−100 means everyone selling, +100 everyone buying. This is data, not advice.

How the Pulse works

Pulse runs from −100 (everyone selling) to +100 (everyone buying). Half comes from insiders: real buyers vs. real sellers in the last 90 days (Form 4). Half comes from funds: funds that bought vs. funds that sold last quarter (13F). 13F is a snapshot of long positions on the last day of the quarter, filed up to 45 days later. It does not show short positions or trades since then.

Who owns it

18 funds report owning MBRX, down from 20

Holdings as of Jun 30, 2026
New5
Added7
Held6
Trimmed0
Sold out7

Insider trades · last 12 months

Real buys and sales

● Open-market buy● Open-market sale
CEOCFOOther officersDirectorsDecJanFebMarAprMayJunJulAugSepOctNovOption exercise · Jun 20 · 109 shShares withheld for tax · Jun 20 · $89Option exercise · Jun 20 · 150 shShares withheld for tax · Jun 20 · $107Option exercise · Jun 20 · 44 shShares withheld for tax · Jun 20 · $37Shares withheld for tax · Jun 22 · $128Option exercise · Jun 22 · 174 shOption exercise · Jun 22 · 360 shShares withheld for tax · Jun 22 · $275Option exercise · Jun 22 · 71 shShares withheld for tax · Jun 22 · $66Option exercise · Oct 15 · 130,000 shShares withheld for tax · Oct 15 · $11.3KShares withheld for tax · Oct 15 · $18KOption exercise · Oct 15 · 207,500 shShares withheld for tax · Nov 4 · $85Option exercise · Nov 4 · 41 shShares withheld for tax · Nov 4 · $118Option exercise · Nov 4 · 57 shOption exercise · Nov 4 · 17 shShares withheld for tax · Nov 4 · $34Open-market buy · Aug 3 · 293,333 shOpen-market buy · Aug 3 · 533,333 shOpen-market buy · Aug 3 · 173,333 sh
CEOCFOOther officersDirectorsJunJulAugSepOctNovOption exercise · Jun 20 · 109 shShares withheld for tax · Jun 20 · $89Option exercise · Jun 20 · 150 shShares withheld for tax · Jun 20 · $107Option exercise · Jun 20 · 44 shShares withheld for tax · Jun 20 · $37Shares withheld for tax · Jun 22 · $128Option exercise · Jun 22 · 174 shOption exercise · Jun 22 · 360 shShares withheld for tax · Jun 22 · $275Option exercise · Jun 22 · 71 shShares withheld for tax · Jun 22 · $66Option exercise · Oct 15 · 130,000 shShares withheld for tax · Oct 15 · $11.3KShares withheld for tax · Oct 15 · $18KOption exercise · Oct 15 · 207,500 shShares withheld for tax · Nov 4 · $85Option exercise · Nov 4 · 41 shShares withheld for tax · Nov 4 · $118Option exercise · Nov 4 · 57 shOption exercise · Nov 4 · 17 shShares withheld for tax · Nov 4 · $34Open-market buy · Aug 3 · 293,333 shOpen-market buy · Aug 3 · 533,333 shOpen-market buy · Aug 3 · 173,333 sh

Last 6 months. A wider screen shows 12.

Showing 3 real trades. Hidden: 11 tax withholdings, 11 option exercises. Those happen on a schedule and say little about what an insider thinks. Bigger dot means a bigger trade.

Real trades, newest first

Aug 3 Jonathan Foster CFO Open-market buy $0 293,333 sh at $0.00
Aug 3 Walter Klemp CEO and President, Director Open-market buy $0 533,333 sh at $0.00
Aug 3 Donald Picker Chief Science Officer Open-market buy $0 173,333 sh at $0.00

Showing every filing. Dashed circles are routine: grants, tax withholding, option exercises and planned sales.

Top holders

Biggest funds in MBRX

As of Jun 30, 2026
FundOwnsValueChange
Geode Capital Management, LLC4.5%$132K+46%
Vanguard Capital Management LLC4.0%$118K+204%
Vanguard Fiduciary Trust Co2.8%$83.4K+392%
XTX Topco Ltd2.2%$64KNew
Morgan Stanley1.9%$55.9K+55556%

"Owns" is shares reported divided by shares outstanding.

Where this data comes from. Insider trades, fund holdings, activist stakes and company results come from public SEC EDGAR filings (Forms 4, 13F, 13D/13G, 10-Q and 8-K). Congress trades come from the STOCK Act reports members file with the House Clerk and the Senate. Daily closing prices come from post-no-preference/stocks on DoltHub, a community-run database shared under CC BY-SA 4.0; the prices we show stay under that license. They are each day's close, not live or official exchange prices.

This is data, not investment advice. About StockToast