Aptamer Sciences Inc — Investor Relations & Filings
Aptamer Sciences Inc. is a clinical-stage biopharmaceutical company specializing in aptamer technology. The company has established a proprietary, integrated platform for the discovery and development of aptamer-based therapeutics and diagnostics. Its primary focus is on oncology, utilizing its Aptamer-Drug Conjugate (ApDC™) platform to create targeted cancer treatments. The lead candidate, AST-201, is an ApDC targeting the GPC3 protein, which is highly expressed in solid tumors such as liver cancer. The company is advancing AST-201 through clinical trials to evaluate its safety and efficacy. The development pipeline also includes other innovative platforms like Aptamer Radioligand Conjugates (ApRC) and Aptamer Immune Stimulator Conjugates (ApIS), aimed at addressing unmet medical needs in hemato-oncology and other areas. Aptamer Sciences leverages its technology to develop novel therapies with the potential for high specificity and efficacy.
Recent filings
| Filing | Released | Lang | Actions |
|---|---|---|---|
| 주식등의대량보유상황보고서(일반) | 2025-10-31 | Korean | |
| 임원ㆍ주요주주특정증권등소유상황보고서 | 2025-10-31 | Korean | |
| 임원ㆍ주요주주특정증권등소유상황보고서 | 2025-10-31 | Korean | |
| 임시주주총회결과 | 2025-10-27 | Korean | |
| 대표이사변경 | 2025-10-27 | Korean | |
| 주식등의대량보유상황보고서(약식) | 2025-10-27 | Korean |
| ID | Filing | Released | Lang | Actions | |
|---|---|---|---|---|---|
|
2025
15 filings
| |||||
| 33028871 | 주식등의대량보유상황보고서(일반) | 2025-10-31 | Korean | ||
| 33028850 | 임원ㆍ주요주주특정증권등소유상황보고서 | 2025-10-31 | Korean | ||
| 33028799 | 임원ㆍ주요주주특정증권등소유상황보고서 | 2025-10-31 | Korean | ||
| 33027249 | 임시주주총회결과 | 2025-10-27 | Korean | ||
| 33027247 | 대표이사변경 | 2025-10-27 | Korean | ||
| 33027095 | 주식등의대량보유상황보고서(약식) | 2025-10-27 | Korean | ||
| 33026948 | [기재정정]최대주주변경 | 2025-10-27 | Korean | ||
| 33026543 | 증권발행결과(자율공시) | 2025-10-24 | Korean | ||
| 33026524 | [기재정정]주요사항보고서(유상증자결정) | 2025-10-24 | Korean | ||
| 33026519 | 증권발행결과(자율공시) | 2025-10-24 | Korean | ||
| 33026512 | [기재정정]경영권변경등에관한계약체결 | 2025-10-24 | Korean | ||
| 33026508 | 최대주주변경 | 2025-10-24 | Korean | ||
| 33023669 | 의결권대리행사권유참고서류 | 2025-10-13 | Korean | ||
| 33023048 | [기재정정]주주총회소집결의 (임시주주총회) | 2025-10-10 | Korean | ||
| 33023045 | 주주총회소집공고 | 2025-10-10 | Korean | ||
Market data
Market data not available
Price history
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Aptamer Sciences Inc via the API
Pull this company's filings, identifiers, and metadata as JSON or Markdown. Authenticate with your API key, then query by company ID, ISIN, or LEI. Full schema documented in the OpenAPI spec.
Endpoints
| GET | /api/companies/15099/ | Company identity, sector, listing, identifiers |
| GET | /api/filings/?company=15099 | Paginated list of all filings (filterable by type, date, language) |
| GET | /api/filings/{id}/ | Single filing — metadata, document URL, processing status |
| GET | /api/filings/{id}/markdown/ | Filing content as Markdown (PDF → text/tables/figures) |
| GET | /api/isins/?company=15099 | All ISINs registered to this company |
| GET | /api/filing-types/ | Reference: every filing-type code + category |
cURL
$ curl https://api.financialreports.eu/api/filings/?company=15099 \ -H "x-api-key: $FR_API_KEY" \ -H "Accept: application/json"
Python
import requests r = requests.get( "https://api.financialreports.eu/api/filings/", params={"company": 15099}, headers={"x-api-key": API_KEY}, ) filings = r.json()["results"]
MCP server
// MCP server URL https://mcp.financialfilings.com/mcp // Once connected, the LLM can query this company directly: "Pull the latest 5 filings for Aptamer Sciences Inc (id: 15099)"
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