Possible new Moleculin Biotech shares

MBRXDilution

Known so far: no new shares from the prospectus covers read · shelf room about $2.9M · not yet read: warrants, converts, options, ATM.

Shelf room

  • Room today about $2.9M
  • One third of float $2.9M ($8.8M float, Dec 31, 2025)
  • Sold off it, 12 months nothing
How this is worked out

Shelf room about $2.9M on the S-3 of Mar 27, 2026: the baby-shelf rule (public float under $75M) caps sales at one third of the $8.8M public float stated as of Dec 31, 2025, $2.9M, nothing sold off it in the last 12 months. Sources: S-3 Mar 27, 2026, effective Apr 14, 2026 · public float, as of Dec 31, 2025.

What could become new Moleculin Biotech (MBRX) shares, from its 10-Q, 10-K, S-1 or 424B filings.

Read so far: the cover share count (19.5M shares, +1508% from 1.2M on Aug 5, 2025, adjusted for the 1-for-25 reverse split by Mar 11, 2026). Not read yet: warrants, convertible notes, options and RSUs and an ATM program. Read them on EDGAR: the latest 10-Q · S-1 registration filings.

Shares outstanding

19.5M

Nov 2024 to Aug 2026: from 120K to 19.5M. Adjusted for the 1-for-25 reverse split by Mar 11, 2026: each earlier count is divided by the ratio of every split after it.

From the share count on the cover of each 10-Q and 10-K, dated as each cover states.