Moleculin Biotech (MBRX) Stock Analysis & Price (Updated Oct 16, 2026, 4:00 PM ET)
Updated Oct 16, 2026, 4:00 PM ET
MBRX slides 24.2% to $0.28, a 52-week low, 3 down days in a row. Closed at $0.28, -24.22% vs the prior close of $0.37. Day range $0.28–$0.33, opened at $0.31.
MBRX daily analysis — what happened
A plain-English, data-only note written after every US trading day. Newest first; older days stay archived below.
Oct 16, 2026 — MBRX slides 24.2% to $0.28, a 52-week low, 3 down days in a row
- Closed at $0.28, -24.22% vs the prior close of $0.37. Day range $0.28–$0.33, opened at $0.31.
- Volume was 1.18M shares, 1.2x its 50-day average of 942.01K.
- Price is -51.5% vs its 50-day average ($0.58) and -87.3% vs its 200-day average ($2.20).
- 52-week range $0.16–$15.75; today's close sits at 1% of that range, 98.2% below the 52-week high.
- That makes 3 straight losses.
Oct 15, 2026 — MBRX slides 10.0% to $0.37, a 52-week low
- Closed at $0.37, -9.98% vs the prior close of $0.41. Day range $0.37–$0.43, opened at $0.42.
- Volume was 329.90K shares, 0.3x its 50-day average of 966.95K — lighter than usual.
- Price is -36.2% vs its 50-day average ($0.58) and -83.3% vs its 200-day average ($2.21).
- 52-week range $0.16–$15.75; today's close sits at 1% of that range, 97.7% below the 52-week high.
Oct 14, 2026 — MBRX slides 5.5% to $0.41, a 1-month low
- Closed at $0.41, -5.52% vs the prior close of $0.44. Day range $0.41–$0.44, opened at $0.44.
- Volume was 274.70K shares, 0.3x its 50-day average of 1.01M — lighter than usual.
- Price is -29.2% vs its 50-day average ($0.58) and -81.6% vs its 200-day average ($2.23).
- 52-week range $0.16–$15.75; today's close sits at 2% of that range, 97.4% below the 52-week high.
Oct 13, 2026 — MBRX jumps 5.1% to $0.44
- Closed at $0.44, +5.07% vs the prior close of $0.41. Day range $0.41–$0.44, opened at $0.42.
- Volume was 181.60K shares, 0.2x its 50-day average of 1.18M — lighter than usual.
- Price is -25.0% vs its 50-day average ($0.58) and -80.6% vs its 200-day average ($2.25).
- 52-week range $0.16–$15.75; today's close sits at 2% of that range, 97.2% below the 52-week high.
Oct 12, 2026 — MBRX slides 6.3% to $0.41, a 1-month low
- Closed at $0.41, -6.33% vs the prior close of $0.44. Day range $0.41–$0.45, opened at $0.45.
- Volume was 173.50K shares, 0.1x its 50-day average of 1.56M — lighter than usual.
- Price is -28.6% vs its 50-day average ($0.58) and -81.7% vs its 200-day average ($2.26).
- 52-week range $0.16–$15.75; today's close sits at 2% of that range, 97.4% below the 52-week high.
Oct 9, 2026 — MBRX jumps 4.2% to $0.44
- Closed at $0.44, +4.25% vs the prior close of $0.42. Day range $0.41–$0.46, opened at $0.42.
- Volume was 341.00K shares, 0.2x its 50-day average of 1.59M — lighter than usual.
- Price is -23.7% vs its 50-day average ($0.58) and -80.6% vs its 200-day average ($2.28).
- 52-week range $0.16–$15.75; today's close sits at 2% of that range, 97.2% below the 52-week high.
- SEC filings that day: 8-K.
Oct 8, 2026 — MBRX slides 3.4% to $0.42, a 1-month low, 5 down days in a row
- Closed at $0.42, -3.42% vs the prior close of $0.44. Day range $0.41–$0.44, opened at $0.44.
- Volume was 264.90K shares, 0.2x its 50-day average of 1.62M — lighter than usual.
- Price is -28.3% vs its 50-day average ($0.59) and -81.6% vs its 200-day average ($2.30).
- 52-week range $0.16–$15.75; today's close sits at 2% of that range, 97.3% below the 52-week high.
- That makes 5 straight losses.
Oct 7, 2026 — MBRX dips 1.6% to $0.44, a 1-month low, 4 down days in a row
- Closed at $0.44, -1.57% vs the prior close of $0.45. Day range $0.43–$0.46, opened at $0.46.
- Volume was 429.40K shares, 0.3x its 50-day average of 1.61M — lighter than usual.
- Price is -28.0% vs its 50-day average ($0.61) and -81.1% vs its 200-day average ($2.32).
- 52-week range $0.16–$15.75; today's close sits at 2% of that range, 97.2% below the 52-week high.
- That makes 4 straight losses.
Oct 6, 2026 — MBRX slides 6.5% to $0.45, a 1-month low, 3 down days in a row
- Closed at $0.45, -6.50% vs the prior close of $0.48. Day range $0.44–$0.49, opened at $0.49.
- Volume was 706.40K shares, 0.4x its 50-day average of 1.60M — lighter than usual.
- Price is -30.8% vs its 50-day average ($0.64) and -80.9% vs its 200-day average ($2.34).
- 52-week range $0.16–$15.75; today's close sits at 2% of that range, 97.2% below the 52-week high.
- That makes 3 straight losses.
Oct 5, 2026 — MBRX dips 2.1% to $0.48, a 1-month low
- Closed at $0.48, -2.05% vs the prior close of $0.49. Day range $0.46–$0.49, opened at $0.49.
- Volume was 468.10K shares, 0.3x its 50-day average of 1.59M — lighter than usual.
- Price is -29.8% vs its 50-day average ($0.68) and -79.7% vs its 200-day average ($2.35).
- 52-week range $0.16–$15.75; today's close sits at 2% of that range, 97.0% below the 52-week high.
- SEC filings that day: 8-K.
Oct 2, 2026 — MBRX slides 3.4% to $0.49, a 1-month low
- Closed at $0.49, -3.37% vs the prior close of $0.50. Day range $0.47–$0.51, opened at $0.51.
- Volume was 421.80K shares, 0.3x its 50-day average of 1.58M — lighter than usual.
- Price is -31.7% vs its 50-day average ($0.71) and -79.5% vs its 200-day average ($2.37).
- 52-week range $0.16–$15.75; today's close sits at 2% of that range, 96.9% below the 52-week high.
MBRX latest news & SEC filings
Every SEC filing by or about MBRX in the last 120 days, explained in plain English. Updated daily, with a same-day refresh for new filings.
Oct 16, 2026 · Form 4 — Insider trade
Insider trade report (Form 4) — a director, officer or 10%+ owner changed their holdings
Insider holdings update with no common-stock transactions in the table (often options or derivative awards only).
Oct 16, 2026 · Form 4 — Insider trade
Insider trade report (Form 4) — a director, officer or 10%+ owner changed their holdings
- Klemp Walter V converted options/RSUs into 207,500 shares on Oct 15, 2026; now holds 771,840
- Klemp Walter V had withheld for taxes 48,659 shares at $0.37 (≈$18.01K) on Oct 15, 2026; now holds 723,181
Open-market purchases (P) and sales (S) are shown in colour; awards, exercises and tax withholding are routine pay-related moves. Many sales are pre-planned under 10b5-1 plans.
Oct 16, 2026 · Form 4 — Insider trade
Insider trade report (Form 4) — a director, officer or 10%+ owner changed their holdings
- Foster Jonathan P. converted options/RSUs into 130,000 shares on Oct 15, 2026; now holds 435,673
- Foster Jonathan P. had withheld for taxes 30,485 shares at $0.37 (≈$11.28K) on Oct 15, 2026; now holds 405,188
Open-market purchases (P) and sales (S) are shown in colour; awards, exercises and tax withholding are routine pay-related moves. Many sales are pre-planned under 10b5-1 plans.
Oct 16, 2026 · Form 8-K — Major event / current report
Current report — a filing companies must make within 4 business days of a major event
- Item 7.01 — Released information under Regulation FD (e.g. a presentation or press release).
Oct 15, 2026 · Form S-8 — Employee share plan registration
Registration of shares for employee stock plans (S-8)
Oct 9, 2026 · Form 8-K — Major event / current report
Current report — a filing companies must make within 4 business days of a major event
- Item 5.02 — Change in directors or officers (appointment, departure or pay).
- Item 5.07 — Reported shareholder vote results.
Oct 5, 2026 · Form 8-K — Major event / current report
Current report — a filing companies must make within 4 business days of a major event
- Item 7.01 — Released information under Regulation FD (e.g. a presentation or press release).
Sep 29, 2026 · Form 8-K — Major event / current report
Current report — a filing companies must make within 4 business days of a major event
- Item 7.01 — Released information under Regulation FD (e.g. a presentation or press release).
Sep 28, 2026 · Form 8-K — Major event / current report
Current report — a filing companies must make within 4 business days of a major event
- Item 7.01 — Released information under Regulation FD (e.g. a presentation or press release).
Sep 25, 2026 · Form 8-K — Major event / current report
Current report — a filing companies must make within 4 business days of a major event
- Item 7.01 — Released information under Regulation FD (e.g. a presentation or press release).
Sep 23, 2026 · Form 8-K — Major event / current report
Current report — a filing companies must make within 4 business days of a major event
- Item 7.01 — Released information under Regulation FD (e.g. a presentation or press release).
- Item 8.01 — Reported other events the company considers important.
Sep 18, 2026 · Form 8-K — Major event / current report
Current report — a filing companies must make within 4 business days of a major event
- Item 3.01 — Stock exchange listing notice or transfer of listing.
Sep 14, 2026 · Form 8-K — Major event / current report
Current report — a filing companies must make within 4 business days of a major event
- Item 7.01 — Released information under Regulation FD (e.g. a presentation or press release).
Aug 31, 2026 · Form 8-K — Major event / current report
Current report — a filing companies must make within 4 business days of a major event
- Item 7.01 — Released information under Regulation FD (e.g. a presentation or press release).
Aug 25, 2026 · Form SCHEDULE 13D — Activist-style stake (13D)
Activist-style stake (13D) — an investor reported owning more than 5%
Filed by an outside investor (not the company). It reports a holding of more than 5% of a share class; percentage and holder name are in the filing.
Things to know before you trade MBRX
- Last results release: Aug 14, 2026 (8-K Item 2.02). Previous ones: May 15, 2026, Mar 19, 2026, Aug 13, 2025. Based on that rhythm, the next report is likely around Nov 13, 2026 — an estimate, not a confirmed date.
- How much it moves: over the last 20 sessions the average daily move was 7.63% (largest 32.7%). That is a volatile stock.
- Liquidity: about 1.15M shares (≈$323.40K) trade per day on average. Thin volume can mean wider bid/ask spreads.
- 52-week position: $0.28 vs a range of $0.16–$15.75 (1% of the range).
- Dividends: no cash dividends in the last 2 years.
- Splits: 1:25 on Dec 1, 2025
- Insider trades (Form 4, last 12 months, recent 25 shown): 12 open-market buys, 0 sales; latest: Walter V Klemp bought 533,333 shares on Aug 3, 2026.
- Latest filings: 8-K Oct 16, 2026; 8-K Oct 9, 2026; 8-K Oct 5, 2026.
- Share count: 19.48M shares outstanding (Aug 6, 2026), -35.7% vs a year earlier — the company has been reducing its share count.
- Listing: Nasdaq · industry: Pharmaceutical Preparations.
MBRX market data (last 20 sessions)
| Date | Open | High | Low | Close | Volume |
|---|---|---|---|---|---|
| Oct 16, 2026 | 0.31 | 0.33 | 0.28 | 0.28 | 1.18M |
| Oct 15, 2026 | 0.42 | 0.43 | 0.37 | 0.37 | 329.90K |
| Oct 14, 2026 | 0.44 | 0.44 | 0.41 | 0.41 | 274.70K |
| Oct 13, 2026 | 0.42 | 0.44 | 0.41 | 0.44 | 181.60K |
| Oct 12, 2026 | 0.45 | 0.45 | 0.41 | 0.41 | 173.50K |
| Oct 9, 2026 | 0.42 | 0.46 | 0.41 | 0.44 | 341.00K |
| Oct 8, 2026 | 0.44 | 0.44 | 0.41 | 0.42 | 264.90K |
| Oct 7, 2026 | 0.46 | 0.46 | 0.43 | 0.44 | 429.40K |
| Oct 6, 2026 | 0.49 | 0.49 | 0.44 | 0.45 | 706.40K |
| Oct 5, 2026 | 0.49 | 0.49 | 0.46 | 0.48 | 468.10K |
| Oct 2, 2026 | 0.51 | 0.51 | 0.47 | 0.49 | 421.80K |
| Oct 1, 2026 | 0.50 | 0.52 | 0.50 | 0.50 | 335.10K |
| Sep 30, 2026 | 0.54 | 0.55 | 0.49 | 0.50 | 718.70K |
| Sep 29, 2026 | 0.57 | 0.58 | 0.52 | 0.53 | 1.66M |
| Sep 28, 2026 | 0.60 | 0.60 | 0.54 | 0.57 | 620.50K |
| Sep 25, 2026 | 0.55 | 0.67 | 0.53 | 0.60 | 2.61M |
| Sep 24, 2026 | 0.52 | 0.57 | 0.51 | 0.57 | 530.40K |
| Sep 23, 2026 | 0.58 | 0.63 | 0.50 | 0.53 | 1.82M |
| Sep 22, 2026 | 0.54 | 0.68 | 0.50 | 0.56 | 5.87M |
| Sep 21, 2026 | 0.72 | 0.73 | 0.50 | 0.52 | 4.12M |
About Moleculin Biotech
Moleculin Biotech (MBRX) is listed on the Nasdaq and classified by the SEC under “Pharmaceutical Preparations”. Its business address is in HOUSTON, TX. State of incorporation: DE. Fiscal year ends December 31. SEC CIK 1659617.
MBRX board of directors & executives
From SEC Form 3/4/5 insider filings made in the last 12 months (date = latest filing).
Directors
| Name | Role | Latest filing |
|---|---|---|
| Michael D Cannon | Director | Nov 14, 2025 |
| Elizabeth Cermak | Director | Nov 14, 2025 |
| John M Climaco | Director | Nov 14, 2025 |
| Robert E. George | Director | Nov 14, 2025 |
| Walter V Klemp | CEO and President | Aug 5, 2026 |
| Joy Yan | Director | Nov 14, 2025 |
Executive officers
| Name | Title | Latest filing |
|---|---|---|
| Jonathan P. Foster | Chief Financial Officer | Aug 5, 2026 |
| Walter V Klemp | CEO and President | Aug 5, 2026 |
| Donald H Picker | Chief Science Officer | Aug 5, 2026 |
Recent insider buys & sales
| Date | Insider | Type | Shares | Price |
|---|---|---|---|---|
| Aug 3, 2026 | Walter V Klemp | Buy | 533,333 | — |
| Aug 3, 2026 | Walter V Klemp | Buy | 533,333 | — |
| Aug 3, 2026 | Walter V Klemp | Buy | 533,333 | — |
| Aug 3, 2026 | Walter V Klemp | Buy | 533,333 | — |
| Aug 3, 2026 | Jonathan P. Foster | Buy | 293,333 | — |
| Aug 3, 2026 | Jonathan P. Foster | Buy | 293,333 | — |
| Aug 3, 2026 | Jonathan P. Foster | Buy | 293,333 | — |
| Aug 3, 2026 | Jonathan P. Foster | Buy | 293,333 | — |
| Aug 3, 2026 | Donald H Picker | Buy | 173,333 | — |
| Aug 3, 2026 | Donald H Picker | Buy | 173,333 | — |
| Aug 3, 2026 | Donald H Picker | Buy | 173,333 | — |
| Aug 3, 2026 | Donald H Picker | Buy | 173,333 | — |
MBRX financials (annual, from XBRL filings)
| Fiscal year end | Revenue | Net income | Diluted EPS | Operating cash flow |
|---|---|---|---|---|
| Dec 31, 2025 | $0 | $-33.56M | -28.42 | $-22.73M |
| Dec 31, 2024 | $0 | $-26.05M | -189.14 | $-23.86M |
| Dec 31, 2023 | $0 | $-29.77M | -15.07 | $-23.59M |
| Dec 31, 2022 | $0 | $-29.02M | -15.22 | $-27.64M |
| Dec 31, 2021 | $0 | $-15.89M | -0.59 | $-18.95M |
Latest balance sheet: total assets $21.09M, total liabilities $9.50M, cash $7.26M (as of Jun 30, 2026).
MBRX earnings / results-day log
| Date | Filing | Close that day |
|---|---|---|
| Aug 14, 2026 | 8-K Item 2.02 (results) | $0.61 |
| May 15, 2026 | 8-K Item 2.02 (results) | $2.11 |
| Mar 19, 2026 | 8-K Item 2.02 (results) | $2.06 |
| Aug 13, 2025 | 8-K Item 2.02 (results) | $16.88 |
| May 14, 2025 | 8-K Item 2.02 (results) | $24.83 |
| Mar 24, 2025 | 8-K Item 2.02 (results) | $26.50 |
| Nov 12, 2024 | 8-K Item 2.02 (results) | $66.00 |
| Aug 14, 2024 | 8-K Item 2.02 (results) | — |
| May 13, 2024 | 8-K Item 2.02 (results) | — |
| Mar 22, 2024 | 8-K Item 2.02 (results) | — |
| Nov 13, 2023 | 8-K Item 2.02 (results) | — |
| Aug 11, 2023 | 8-K Item 2.02 (results) | — |
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Information only, not investment advice. BuyMeWhiskey is not a registered investment adviser or broker-dealer; nothing here is a recommendation to buy, sell or hold any security, and there are no price targets. Data comes from SEC EDGAR filings and public end-of-day market data and may be delayed or contain errors. Verify with the company's filings before making decisions. Prices: end-of-day data as of Oct 16, 2026, 4:00 PM ET. Filings: SEC EDGAR. Updated after every US trading day.