SEC filingsOct 12, 2026 to Oct 19, 2026: insiders reported 840 purchases and sales across 212 companies.840 insider purchases and sales in 7 daysSee the filings →
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Company profile

MBRX

Moleculin Biotech Inc.
NASDAQHealth Care

Latest close: 0.28 USD · Oct 16, 2026 · 1 year · split-adjusted

On the price, the facts of the public record■Insider buy□Insider sell◆Adverse 8-K filing◇Significant stake declared (13D)●Results filed
With an account, also○dividends▲splits◌next earningswith an account

End-of-day prices provided by Twelve Data · One close per session; the series does not update during the trading day.

Latest on record

The most recent facts, as filed.

Up to three of the most recent, checkable facts already loaded on this page, each linked to its source.

  1. Oct 16, 2026Material event · 8-KFiled by the company itself.Open the filing ↗
  2. Oct 9, 2026Material event · 8-KFiled by the company itself.Open the filing ↗
  3. Oct 5, 2026Material event · 8-KFiled by the company itself.Open the filing ↗

In numbers

What this profile holds, counted.

Closes · 1 year249
SEC filings on record7927 flagged findings
Reported transactions (Form 4)80since Jun 16, 2025
Corporate events (8-K)30since Dec 27, 2021

What the record says

Description, identity and filings, each with its source.

Every block cites its source. The colour of a finding marks its category — which document, who filed it — not how much it matters.

Listing notice in force

The exchange has notified the company that it fails a continued-listing requirement (8-K, item 3.01 of Sep 18, 2026).

Deadline: Mar 14, 2027

  • minimum bid price · Nasdaq, rule 5550(a)(2) · notice of Sep 15, 2026 · pending · deadline Mar 14, 2027 (derived from the rule, not confirmed in the text)

The other times

Of the 30 issuers that received this notice 1 to 2 years ago, within the following 365 days 16 regained compliance, 23 did a reverse split and 1 filed a Form 25 (delisting). An issuer can be in more than one group.

Measured on our own SEC documents: the cohort is the issuers whose notices we read, not the whole market. Historical distribution, not a prediction.

Open the 8-K at the SEC

Reverse splits in 5 years

2 reverse splits in 5 years (1:15 on Mar 22, 2024, 1:25 on Dec 1, 2025) · 1:375 cumulative

The other times: of 247 securities that repeated a reverse split in 5 years, a year later the median was worth 0.10× the price on the day of the split; 189 lost more than half and 21 rose (243 with a price a year later).

Our own series, not the whole market: based on the splits we have on record (provider and SEC); an unrecorded one does not count. Historical distribution, not a prediction.

SEC record

SEC dossier

What this company has filed with the SEC, in plain language.

The 25 most recent filings (of 792)

Everything filed

Every SEC filing, newest first, with what it is. Below, each type with its own explanation.

  • Insider transaction · 3 Form 4 filings newshow all 3hide
  • Oct 16, 268-K ↗Current report · Communication to the market new
  • Oct 9, 268-K ↗Current report · A senior executive left or was appointed
  • Oct 5, 268-K ↗Current report · Communication to the market
  • Sep 29, 268-K ↗Current report · Communication to the market
  • Sep 28, 268-K ↗Current report · Communication to the market
  • Sep 25, 268-K ↗Current report · Communication to the market
  • Sep 23, 268-K ↗Current report · Communication to the market · Other events
  • Sep 18, 268-K ↗Current report · Listing notice (8-K 3.01)
  • Sep 14, 268-K ↗Current report · Communication to the market
  • Aug 31, 268-K ↗Current report · Communication to the market
  • Aug 25, 26SCHEDULE 13D ↗Stake with intent to influence · Foster Jonathan P. · 6.3% · event on Aug 19, 26
  • Aug 25, 26SCHEDULE 13D ↗Stake with intent to influence · KLEMP WALTER V · 9.9% · event on Aug 19, 26
  • Aug 24, 26DEFA14A ↗Shareholder meeting and votes
  • Aug 24, 26DEF 14A ↗Shareholder meeting and votes
  • Aug 21, 26424B5 ↗Securities offering
  • Aug 14, 26PRE 14A ↗Shareholder meeting and votes
  • Aug 14, 268-K ↗Current report · Results
  • Aug 13, 2610-Q ↗Quarterly report
  • Aug 10, 26SCHEDULE 13G ↗Passive stake · CVI Investments, Inc. · 9.9% · event on Jul 31, 26
  • Aug 6, 26SCHEDULE 13G ↗Passive stake · Mitchell P. Kopin · 5.0% · event on Jul 31, 26
  • Insider transaction · 2 Form 4 filingsshow all 2hide

792 filings on record, the oldest from Jan 4, 16.

Listing the 25 most recent filings of the 792 on record.

8-Ks, explained

Stress10Structure40Governance18
  • Oct 9, 26GovernanceA senior executive left or was appointed+2 more in the same filing8-K 5.02 ↗
  • Sep 18, 26StressListing notice (8-K 3.01)8-K 3.01 ↗
  • Structure3 material agreements entered2025 – 2026show all 3hide
    • Aug 3, 26StructureEntered a material agreement+1 more in the same filing8-K 1.01 ↗
    • Feb 20, 26StructureEntered a material agreement+2 more in the same filing8-K 1.01 ↗
    • Dec 22, 25StructureEntered a material agreement+2 more in the same filing8-K 1.01 ↗
  • Dec 10, 25StructureSold unregistered shares+2 more in the same filing8-K 3.02 ↗
  • Nov 21, 25StressListing notice (8-K 3.01)the filing reports the decision to delist8-K 3.01 ↗
  • Aug 29, 25StructureEntered a material agreement+3 more in the same filing8-K 1.01 ↗
  • Jul 11, 25StructureEntered a material agreement+1 more in the same filing8-K 1.01 ↗
  • Jun 27, 25StressListing notice (8-K 3.01)8-K 3.01 ↗
  • Jun 23, 25StructureEntered a material agreement+2 more in the same filing8-K 1.01 ↗
  • May 23, 25StressListing notice (8-K 3.01)8-K 3.01 ↗
  • Feb 26, 25StructureSold unregistered shares+3 more in the same filing8-K 3.02 ↗
  • Feb 13, 25StructureEntered a material agreement+2 more in the same filing8-K 1.01 ↗

10 older filings not shown · The record reaches back to Aug 25, 16.

Notable in the record

Stress disclosures older than the timeline above. They are individual events from the record, not a complete timeline: there may be more between them.

The full record holds 10 stress filings.

Corporate events are tracked from 2004-08-23, when the SEC renumbered 8-K items. Earlier filings use an incompatible numbering and are not classified here.

Ownership and control

Schedule 13D: stake and stated purpose

Filed by holders above 5% of a share class who cannot use the short form. It includes the investor's stated purpose: read it before assuming they seek influence.

  • KLEMP WALTER V9.9%Aug 19, 26SCHEDULE 13D ↗2 co-filers on this document — the figure is the largest single stake, not their sum.
  • Foster Jonathan P.6.3%Aug 19, 26SCHEDULE 13D ↗

Schedule 13G: short-form filing

The short form, for holders who meet specific requirements: institutional investors, passive investors without a control purpose, or exempt investors. Asset managers and index funds usually file it.

  • CVI Investments, Inc.9.9%Jul 31, 26SCHEDULE 13G ↗2 co-filers on this document — the figure is the largest single stake, not their sum.
  • Mitchell P. Kopin5.0%Jul 31, 26SCHEDULE 13G ↗3 co-filers on this document — the figure is the largest single stake, not their sum.
  • Armistice Capital, LLC5.0%Jun 30, 25SCHEDULE 13G/A ↗2 co-filers on this document — the figure is the largest single stake, not their sum. · 2 earlier filings

Structured 13D/G data starts 2023-12, when the SEC moved these filings to a machine-readable format. Earlier filings exist but are not parsed here.

SEC record

Insider transactions

Buys and sells reported by officers, directors and major shareholders on SEC Form 4.

Buys and sells

  • Aug 3, 26Buyamount n/aDONALD H PICKERChief Science Officer↗
  • Aug 3, 26Buyamount n/aWALTER KLEMP VCEO and President↗
  • Aug 3, 26Buyamount n/aJonathan P. FosterChief Financial Officer↗
  • Jun 23, 25Buy$250KWALTER KLEMP VCEO and President↗
  • Jun 23, 25Buy$100KJonathan P. FosterChief Financial Officer↗
Stock compensation, tax and giftsshow the 35 other transactionshide

Stock compensation, tax withholding, option exercises and gifts. They are listed separately and are not included in the purchase and sale totals. The type describes the transaction, not the filer's intent.

  • Oct 15, 26Compensationamount n/aJonathan P. FosterChief Financial Officer↗
  • Oct 15, 26Tax$11KJonathan P. FosterChief Financial Officer↗
  • Oct 15, 26Compensationamount n/aWALTER KLEMP VCEO and President↗
  • Oct 15, 26Tax$18KWALTER KLEMP VCEO and President↗
  • Jun 22, 26Compensationamount n/aJonathan P. FosterChief Financial Officer↗
  • Jun 22, 26Tax$128Jonathan P. FosterChief Financial Officer↗
  • Jun 22, 26Compensationamount n/aWALTER KLEMP VCEO and President↗
  • Jun 22, 26Tax$275WALTER KLEMP VCEO and President↗
  • Jun 22, 26Compensationamount n/aDONALD H PICKERChief Science Officer↗
  • Jun 22, 26Tax$66DONALD H PICKERChief Science Officer↗
  • Jun 20, 26Compensationamount n/aJonathan P. FosterChief Financial Officer↗
  • Jun 20, 26Tax$89Jonathan P. FosterChief Financial Officer↗
  • Jun 20, 26Compensationamount n/aWALTER KLEMP VCEO and President↗
  • Jun 20, 26Tax$107WALTER KLEMP VCEO and President↗
  • Jun 20, 26Compensationamount n/aDONALD H PICKERChief Science Officer↗
  • Jun 20, 26Tax$37DONALD H PICKERChief Science Officer↗
  • Nov 4, 25Compensationamount n/aJonathan P. FosterChief Financial Officer↗
  • Nov 4, 25Compensation$2KJonathan P. FosterChief Financial Officer↗
  • Nov 4, 25Compensationamount n/aWALTER KLEMP VCEO and President↗
  • Nov 4, 25Tax$3KWALTER KLEMP VCEO and President↗
  • Nov 4, 25Compensationamount n/aDONALD H PICKERChief Science Officer↗
  • Nov 4, 25Tax$1KDONALD H PICKERChief Science Officer↗
  • Jun 22, 25Compensationamount n/aDONALD H PICKERChief Science Officer↗
  • Jun 22, 25Tax$115DONALD H PICKERChief Science Officer↗
  • Jun 22, 25Compensationamount n/aWALTER KLEMP VCEO and President↗
  • Jun 22, 25Tax$585WALTER KLEMP VCEO and President↗
  • Jun 22, 25Compensationamount n/aJonathan P. FosterChief Financial Officer↗
  • Jun 22, 25Tax$281Jonathan P. FosterChief Financial Officer↗
  • Jun 20, 25Compensationamount n/aDONALD H PICKERChief Science Officer↗
  • Jun 20, 25Tax$70DONALD H PICKERChief Science Officer↗
  • Jun 20, 25Compensationamount n/aWALTER KLEMP VCEO and President↗
  • Jun 20, 25Tax$244WALTER KLEMP VCEO and President↗
  • Jun 20, 25Compensationamount n/aJonathan P. FosterChief Financial Officer↗
  • Jun 20, 25Tax$176Jonathan P. FosterChief Financial Officer↗
  • Jun 16, 25Compensationamount n/aWALTER KLEMP VCEO and President↗

The full record holds 78 transactions and goes back to May 25, 23.

Its sector and its market

Moleculin Biotech Inc. among Health Care companies

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Coverage

What sits behind this page.

Where each figure comes from and how far it reaches.

Prices
End-of-day closes provided by Twelve Data. One close per session; not real time. Closes adjusted for splits.
Series quality
Series with incidents in the period; the chart shows what could be kept.
SEC records
792 documents on file, from Jan 4, 2016 to Oct 16, 2026.
Company description
No description available.
This page
Generated on Oct 19, 2026; refreshed through the day.

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Which SEC documents appear here?

Those filed with the SEC by the company, its insiders and its major shareholders, within our coverage: periodic reports (10-K, 10-Q, 20-F), material events (8-K), proposed sale notices (Form 144), insider transactions (Form 4) and stakes above 5% (13D/13G). Each links to the original on EDGAR.

Why does a European company show no SEC records?

It depends on the company: some European issuers file a 20-F or 6-K with the SEC and others don't. The profile shows whatever is on record; when there is nothing, it says so rather than guessing why. Europe does not yet have a common filing archive like EDGAR in the United States. The EU will open its own, ESAP, in July 2027 (managers' transactions arrive in January 2028), and we plan to add it once it is available.

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Moleculin Biotech Inc. (MBRX): stock price history, insider trades and SEC filings — HornScout