Aptn
Daily close in US$ at the latest USD/KRW close. Source: KRX via FinanceDataReader.
Aptn is developing a new drug aimed at treating Parkinson's disease, a progressive neurological condition caused by the loss of dopamine-producing brain cells.
The intended users are Parkinson's patients, particularly older adults for whom existing standard therapies offer only symptom relief and carry significant long-term side effects. Listed on KOSDAQ, Korea's tech and small-cap board, the company is expanding into the brain-disease treatment field by acquiring foundational technology rights and establishing a dedicated neurological-drug division.
Summary is AI-generated and may contain errors · figures from DART filings
Aptn acquired its core Parkinson's disease technology rights from Seoul National University's industry-academic cooperation foundation, which is the stated origin of its drug-development programme.
Aptn in five facts
What does Aptn do?
Aptn is developing a new drug aimed at treating Parkinson's disease, a progressive neurological condition caused by the loss of dopamine-producing brain cells.
Where is Aptn listed and in which sector?
Aptn (Korean name: 앱튼) trades under KRX code 270520 on KOSDAQ, the Korea Exchange's board for smaller and growth companies. It is classified in the Industrials sector, Construction & Engineering.
How large is Aptn?
Its market capitalisation was US$20.7M on 2026-10-21, which puts it in this site's small-cap group. US$ amounts are converted from won at 1 USD ≈ ₩1,325 (2026-10-21).
What were Aptn's latest annual revenue and operating profit?
For fiscal year 2025, Aptn reported revenue of US$12.8M, an operating loss of US$8.4M and a net loss of US$17.7M, per its annual report on DART (data retrieved from DART on 2026-06-03). Revenue was down 8.1% on the previous year.
Where does this data come from?
Financial statements and filings come from DART, Korea's official corporate-filing system. Share prices, market capitalisation and trading status come from KRX. Company summaries are AI-generated from the filings and may contain errors; financial figures are mapped directly from DART.
Data sources and last updated
- Filings and financial statements
- DART (dart.fss.or.kr), Korea's official corporate-filing system
- Prices, market cap, trading status
- KRX (Korea Exchange), via FinanceDataReader
- Latest annual financials
- Fiscal year 2025, data retrieved from DART on 2026-06-03
- Share price and market cap
- Close of 2026-10-21
- Currency
- US$, converted from won at 1 USD ≈ ₩1,325 (2026-10-21 close)
- Company data updated
- 2026-10-21
- Company summary
- AI-generated from filings; may contain errors. Information only, not investment advice.
- Resolution to convene a general shareholders' meeting (extraordinary meeting)Oct 21
- Shareholder register closure / record date setOct 21
- [Amended] Grant of stock optionsOct 16
- Report on large shareholdings (5% rule) (abbreviated)Oct 12
- [Amended] Decision to acquire shares/equity in another company
Aptn updated the disclosed terms of an acquisition of GPCR Co., Ltd., now worth US$7.25M.
M&A · Sep 18 · 2 versions - Results of extraordinary shareholders' meetingSep 14
- Report on large shareholdings (5% rule) (abbreviated)Sep 10
- Report on large shareholdings (5% rule) (abbreviated)Sep 10
- [Amended] Report on large shareholdings (5% rule) (abbreviated)Sep 10
- [Amended] Share-pledge agreement that may change the largest shareholder
Aptn's largest shareholder (Aprogen) pledged shares as loan collateral to a company, securing up to US$13.3M.
Ownership change · Sep 4 · 2 versions - [Amended] Material event report (convertible bonds)
Aptn updated the terms of convertible bonds to raise US$6.78M, about 28.4% of its market value.
Capital raise · Jul 24 - Securities issuance results (voluntary) (third-party placement)
Aptn completed a third-party-placement rights offering of 3,500,000 common shares for US$2.35M, with payment on 2026-07-15 and listing of the new shares planned.
Capital raise · Jul 15 - [Amended] Material event report (rights offering)
Aptn updated the terms of a private placement (third-party allotment) to raise US$2.3M, about 9.9% of its market value.
Capital raise · Jul 7 · 3 versions - Material event report (convertible bonds)
Aptn disclosed convertible bonds to raise US$6.47M, about 28.4% of its market value.
Capital raise · Jun 26 - Material event report (convertible bonds)
Aptn disclosed convertible bonds to raise US$9.7M, about 42.6% of its market value.
Capital raise · Jun 26 - [Amended] Material event report (rights offering)
Aptn updated the terms of a private placement (third-party allotment) to raise US$13.1M, about 57.4% of its market value.
Capital raise · Jun 24 - [Amended] Material event report (rights offering)
Aptn updated the terms of a private placement (third-party allotment) to raise US$13.5M, about 57.4% of its market value.
Capital raise · May 15 - [Amended] Material event report (convertible bonds)
Aptn updated the terms of convertible bonds to raise US$5.09M, about 21.6% of its market value.
Capital raise · May 15 - [Amended] Material event report (convertible bonds)
Aptn updated the terms of convertible bonds to raise US$5.1M, about 21.6% of its market value.
Capital raise · May 13 - Trading suspension (share consolidation/split registration)M&A · Apr 9
- Other material management matterCapital raise · Feb 13
- [Amended] Material event report (rights offering)Capital raise · Feb 13
- Early redemption of convertible bonds (incl. overseas CBs)Capital raise · Jan 9