IPO registrations (S-1, F-1) · Registrants
Moleculin Biotech, Inc.
- SEC CIK
- 1659617 · filings on EDGAR ↗
- Registration
- Form S-1, first filed 2016-02-01, last 2026-07-31; 11 initial registrations, 20 amendments
- Outcome
- Final prospectus filed 2016-05-03; declared effective 2016-05-02; withdrawal requested 2020-01-21
- Industry (SIC)
- Pharmaceutical Preparations 2834
- Incorporated in
- DE
- Business address
- 5300 MEMORIAL DRIVE, SUITE 950, Houston, TX 77007
- EIN
- 47-4671997
- Ticker
- MBRX (Nasdaq)
- EDGAR entity type
- operating
- Insiders and CEO pay
- Moleculin Biotech, Inc. on the corporate pages
On this site
- Business registration: Moleculin Biotech, Inc. Fuzzy (name and state)
- Business registration: MOLECULIN BIOTECH, INC. Fuzzy (name and state)
- Form 5500 plan sponsor: MOLECULIN BIOTECH INC EXACT (EIN (EXACT))
- Form D issuer: Moleculin Biotech, Inc. EXACT (CIK (EXACT))
- SEC filer: Moleculin Biotech, Inc. EXACT (CIK (EXACT))
Filings 58
| Filed | Form | What it is | Name as filed | EDGAR |
|---|---|---|---|---|
| 2016-02-01 | S-1 | S-1 (registration) | Moleculin Biotech, Inc. | 0001144204-16-078258 ↗ |
| 2016-02-16 | S-1/A | S-1/A (amendment) | Moleculin Biotech, Inc. | 0001144204-16-082839 ↗ |
| 2016-03-22 | S-1/A | S-1/A (amendment) | Moleculin Biotech, Inc. | 0001144204-16-089330 ↗ |
| 2016-04-15 | S-1/A | S-1/A (amendment) | Moleculin Biotech, Inc. | 0001144204-16-094685 ↗ |
| 2016-04-27 | S-1/A | S-1/A (amendment) | Moleculin Biotech, Inc. | 0001144204-16-096444 ↗ |
| 2016-05-02 | S-1MEF | S-1MEF (added securities) | Moleculin Biotech, Inc. | 0001144204-16-098447 ↗ |
| 2016-05-02 | EFFECT | EFFECT (declared effective) | Moleculin Biotech, Inc. | 9999999995-16-004489 ↗ |
| 2016-05-03 | 424B4 | 424B4 (final prospectus) | Moleculin Biotech, Inc. | 0001144204-16-098651 ↗ |
| 2016-12-02 | S-1 | S-1 (registration) | Moleculin Biotech, Inc. | 0001144204-16-137752 ↗ |
| 2017-01-18 | S-1/A | S-1/A (amendment) | Moleculin Biotech, Inc. | 0001144204-17-002551 ↗ |
| 2017-02-07 | S-1/A | S-1/A (amendment) | Moleculin Biotech, Inc. | 0001144204-17-006369 ↗ |
| 2017-02-08 | S-1/A | S-1/A (amendment) | Moleculin Biotech, Inc. | 0001144204-17-006759 ↗ |
| 2017-02-08 | EFFECT | EFFECT (declared effective) | Moleculin Biotech, Inc. | 9999999995-17-000325 ↗ |
| 2017-02-09 | S-1MEF | S-1MEF (added securities) | Moleculin Biotech, Inc. | 0001144204-17-006889 ↗ |
| 2017-02-10 | 424B4 | 424B4 (final prospectus) | Moleculin Biotech, Inc. | 0001144204-17-007176 ↗ |
| 2017-08-21 | EFFECT | EFFECT (declared effective) | Moleculin Biotech, Inc. | 9999999995-17-002171 ↗ |
| 2017-10-23 | EFFECT | EFFECT (declared effective) | Moleculin Biotech, Inc. | 9999999995-17-002749 ↗ |
| 2018-04-11 | S-1 | S-1 (registration) | Moleculin Biotech, Inc. | 0001659617-18-000032 ↗ |
| 2018-05-15 | S-1/A | S-1/A (amendment) | Moleculin Biotech, Inc. | 0001659617-18-000062 ↗ |
| 2018-05-24 | EFFECT | EFFECT (declared effective) | Moleculin Biotech, Inc. | 9999999995-18-001334 ↗ |
| 2018-07-12 | S-1 | S-1 (registration) | Moleculin Biotech, Inc. | 0001659617-18-000084 ↗ |
| 2018-07-23 | EFFECT | EFFECT (declared effective) | Moleculin Biotech, Inc. | 9999999995-18-001857 ↗ |
| 2018-10-15 | S-1 | S-1 (registration) | Moleculin Biotech, Inc. | 0001144204-18-053847 ↗ |
| 2018-10-25 | S-1/A | S-1/A (amendment) | Moleculin Biotech, Inc. | 0001144204-18-055201 ↗ |
| 2018-10-26 | EFFECT | EFFECT (declared effective) | Moleculin Biotech, Inc. | 9999999995-18-002729 ↗ |
| 2020-01-21 | RW | RW (withdrawal request) | Moleculin Biotech, Inc. | 0001659617-20-000016 ↗ |
| 2020-04-09 | EFFECT | EFFECT (declared effective) | Moleculin Biotech, Inc. | 9999999995-20-000717 ↗ |
| 2021-06-11 | EFFECT | EFFECT (declared effective) | Moleculin Biotech, Inc. | 9999999995-21-002311 ↗ |
| 2024-02-02 | S-1 | S-1 (registration) | Moleculin Biotech, Inc. | 0001437749-24-002977 ↗ |
| 2024-02-12 | EFFECT | EFFECT (declared effective) | Moleculin Biotech, Inc. | 9999999995-24-000398 ↗ |
| 2024-07-01 | EFFECT | EFFECT (declared effective) | Moleculin Biotech, Inc. | 9999999995-24-002038 ↗ |
| 2024-07-22 | S-1 | S-1 (registration) | Moleculin Biotech, Inc. | 0001437749-24-023213 ↗ |
| 2024-07-30 | S-1/A | S-1/A (amendment) | Moleculin Biotech, Inc. | 0001437749-24-023822 ↗ |
| 2024-08-15 | S-1/A | S-1/A (amendment) | Moleculin Biotech, Inc. | 0001437749-24-026932 ↗ |
| 2024-08-15 | S-1/A | S-1/A (amendment) | Moleculin Biotech, Inc. | 0001437749-24-026964 ↗ |
| 2024-08-15 | EFFECT | EFFECT (declared effective) | Moleculin Biotech, Inc. | 9999999995-24-002543 ↗ |
| 2024-08-16 | 424B4 | 424B4 (final prospectus) | Moleculin Biotech, Inc. | 0001437749-24-027102 ↗ |
| 2024-12-09 | EFFECT | EFFECT (declared effective) | Moleculin Biotech, Inc. | 9999999995-24-003706 ↗ |
| 2024-12-13 | S-1 | S-1 (registration) | Moleculin Biotech, Inc. | 0001437749-24-037491 ↗ |
| 2025-01-29 | S-1/A | S-1/A (amendment) | Moleculin Biotech, Inc. | 0001437749-25-002083 ↗ |
| 2025-02-10 | S-1/A | S-1/A (amendment) | Moleculin Biotech, Inc. | 0001437749-25-003210 ↗ |
| 2025-02-11 | S-1/A | S-1/A (amendment) | Moleculin Biotech, Inc. | 0001437749-25-003357 ↗ |
| 2025-02-24 | RW | RW (withdrawal request) | Moleculin Biotech, Inc. | 0001437749-25-004911 ↗ |
| 2025-03-31 | S-1 | S-1 (registration) | Moleculin Biotech, Inc. | 0001437749-25-010255 ↗ |
| 2025-04-07 | EFFECT | EFFECT (declared effective) | Moleculin Biotech, Inc. | 9999999995-25-001012 ↗ |
| 2025-06-02 | S-1 | S-1 (registration) | Moleculin Biotech, Inc. | 0001437749-25-019188 ↗ |
| 2025-06-06 | S-1/A | S-1/A (amendment) | Moleculin Biotech, Inc. | 0001437749-25-019622 ↗ |
| 2025-06-11 | S-1/A | S-1/A (amendment) | Moleculin Biotech, Inc. | 0001437749-25-020105 ↗ |
| 2025-06-16 | S-1/A | S-1/A (amendment) | Moleculin Biotech, Inc. | 0001437749-25-020492 ↗ |
| 2025-06-20 | EFFECT | EFFECT (declared effective) | Moleculin Biotech, Inc. | 9999999995-25-001975 ↗ |
| 2025-06-23 | 424B4 | 424B4 (final prospectus) | Moleculin Biotech, Inc. | 0001437749-25-020979 ↗ |
| 2025-09-30 | EFFECT | EFFECT (declared effective) | Moleculin Biotech, Inc. | 9999999995-25-003242 ↗ |
| 2026-01-06 | EFFECT | EFFECT (declared effective) | Moleculin Biotech, Inc. | 9999999995-26-000083 ↗ |
| 2026-04-14 | EFFECT | EFFECT (declared effective) | Moleculin Biotech, Inc. | 9999999995-26-001181 ↗ |
| 2026-07-29 | S-1 | S-1 (registration) | Moleculin Biotech, Inc. | 0001437749-26-024774 ↗ |
| 2026-07-30 | S-1/A | S-1/A (amendment) | Moleculin Biotech, Inc. | 0001437749-26-025100 ↗ |
| 2026-07-31 | S-1/A | S-1/A (amendment) | Moleculin Biotech, Inc. | 0001437749-26-025130 ↗ |
| 2026-07-31 | EFFECT | EFFECT (declared effective) | Moleculin Biotech, Inc. | 9999999995-26-002515 ↗ |
Officers, directors and large holders Forms 3, 4 and 5
| Insider | Role | Title | Filings | Years | On this site |
|---|---|---|---|---|---|
| CANNON MICHAEL D | Director | 12 | 2016–2025 | ||
| George Robert E. | Director | 14 | 2016–2025 | ||
| KLEMP WALTER V | Director,Officer; Director,Officer,TenPercentOwner | CEO; CEO and President; Chairman and Acting CEO; Chief Executive Officer | 39 | 2016–2026 | |
| Northcut Jacqueline | Director | 3 | 2016–2017 | ||
| PLOTH LOUIS JR | Officer | Chief Financial Officer | 1 | 2016 | |
| PICKER DONALD H | Officer; Officer,TenPercentOwner | Chief Science Officer; CSO; President and COO | 17 | 2016–2026 | |
| Priebe Waldemar | TenPercentOwner | 3 | 2016–2020 | ||
| Foster Jonathan P. | Officer | Chief Financial Officer; EVP & CFO; Exec. Vice President and CFO; Exec. Vice President & CFO | 24 | 2016–2026 | |
| Climaco John M | Director | 11 | 2017–2025 | ||
| Cermak Elizabeth | Director | 7 | 2020–2025 | ||
| Yan Joy | Director | 6 | 2022–2025 |
Everyone who filed an insider report for this company, from the SEC’s Insider Transactions Data Sets (2006 on). Person pages are matched by name and state only.
Private offerings before or after (Form D)
| First filed | Issuer | Industry | Offering | Sold | Investors | Filings |
|---|---|---|---|---|---|---|
| 2016-05-16 | Moleculin Biotech, Inc. | Pharmaceuticals | $6,000,000 | $6,000,000 | 129 | 1 |
Data: SEC EDGAR. The quarterly full index (every S-1, S-1/A, F-1 and F-1/A since 1993, with the pricing prospectus, notice of effectiveness and withdrawal request of each registrant) and the company submissions data (SIC, state of incorporation, address, EIN, tickers, former names). Company details are what EDGAR holds today, not at the time of the filing.