Moleculin Biotech, Inc. (MBRX) SEC filings and CIK.
MBRX’s SEC Central Index Key (CIK) is 0001659617, or 1659617 without leading zeros. The SEC’s ticker file lists it as Moleculin Biotech, Inc..
- Ticker
- MBRX
- CIK
- 0001659617
- Other tickers
- None
- Insider transactions, Q3 2026
- 3
Insider trading
In Q3 2026, insiders at Moleculin Biotech, Inc. reported 3 non-derivative transactions on 3 Forms 3, 4 and 5, including 3 open-market purchases and 0 sales. See every MBRX insider transaction →
Recent filings we observed
| Filed | Form | Accession |
|---|---|---|
| 2026-11-06 | 4 | 0001437749-26-035618 |
| 2026-11-06 | 4 | 0001437749-26-035617 |
| 2026-11-06 | 4 | 0001437749-26-035615 |
Get MBRX SEC data through the API
curl "https://sec-api.dev/api/v1/filings?cik=1659617&limit=10" \
-H "Authorization: Bearer $SEC_API_KEY"curl "https://sec-api.dev/api/v1/companies/1659617" \
-H "Authorization: Bearer $SEC_API_KEY"curl "https://sec-api.dev/api/v1/facts/1659617?taxonomy=us-gaap&concept=Revenues&limit=10" \
-H "Authorization: Bearer $SEC_API_KEY"Ticker to CIK API · SEC filings API · Moleculin Biotech, Inc. on SEC.gov
Questions
What is MBRX’s CIK number?
MBRX’s SEC Central Index Key (CIK) is 0001659617, or 1659617 without leading zeros. The SEC’s ticker file lists it as Moleculin Biotech, Inc..
How do I find Moleculin Biotech, Inc.’s 10-K?
Request /api/v1/filings?cik=1659617&form=10-K, or open the company’s EDGAR page and filter by 10-K. Foreign issuers file 20-F or 40-F instead.
Plain-text version for agents and LLMs: /companies/mbrx.md
Independent. Not affiliated with, endorsed by, or sponsored by the U.S. Securities and Exchange Commission. Data is reproduced from public SEC filings and datasets. Not investment advice.