Neosapience Typecast AI voice stock triples on KOSDAQ debut

Neosapience, the South Korean generative-AI company behind the Typecast voice/content platform, surged more than 160% above its ₩10,000 IPO offer price on its first KOSDAQ trading day, after pricing below the indicated range.

FINANCE desk — another AI-voice name is hitting public markets with a below-range price and a debut spike, a live read on how hungry retail is for generative-AI listings outside the US mega-caps.

The early print Seoul Economic Daily uses is 9:33 a.m. Korea time on 21 Sep. At that minute, the Korea Exchange had Neosapience at ₩26,450, up ₩16,450, or 164.50%, from the ₩10,000 offer. The stock opened at ₩25,250. It climbed as high as ₩30,700, a gain of 207% from the offer. ₩30,700 is a bit more than three times ₩10,000, which is the triple in the headline. The 164.50% print is not itself a triple. Seoul Economic Daily’s headline rounds that early move to 165%. File the ₩26,450 / ₩25,250 / ₩30,700 lines as Seoul Economic Daily’s, citing the Korea Exchange. This desk did not print a close.

Aju Press snapped an earlier minute. Yang Boyeon, posted 21 Sep 2026 at 09:16, says that as of 9:07 a.m. the shares were at ₩29,550, up ₩19,550, or 195.50%, from the same ₩10,000 offer, also according to the Korea Exchange. Aju’s headline calls that nearly threefold. File ₩29,550 as Aju’s 9:07 a.m. print. Do not average it with the 9:33 a.m. print. They are two clocks on the same morning.

At the 9:33 a.m. snapshot, Seoul Economic Daily says trading volume topped 8.55 million shares and turnover — the value of shares that changed hands — exceeded ₩240 billion. File those early-session size lines as Seoul Economic Daily’s. This desk did not add the tape.

The offer was cheap versus the range the company had advertised. On 9 Sep 2026, Seoul Economic Daily’s Shin Mi-jin reported that Neosapience fixed the price at ₩10,000 after institutional bookbuilding from the 2nd to the 8th. Bookbuilding is the process where big investors say how much they would pay. The indicated range had been ₩13,800 to ₩15,800. ₩10,000 is below ₩13,800, the floor of that band. A total of 1,045 institutions took part, and the subscription ratio — orders divided by shares available — was 219.56 to 1. Bids below ₩13,800 were 52.25% of order volume. Aju Press rounds that institutional contest to about 220 to 1 and says the listing raised ₩20 billion, with Daishin Securities as lead underwriter. File ₩20 billion as the amount raised in the offering, per Aju. It is not a market capitalization, and it is not a dollar figure.

Retail demand was the other half of the pop. A retail subscription is the window when individual investors ask for shares. Seoul Economic Daily says that window drew a ratio of more than 1,000 to 1 — the precise figure in both Seoul Economic Daily and Aju Press is 1,047.78 to 1 — and more than ₩2.6 trillion in deposits. Deposits here means the cash investors put down to subscribe, not revenue the company earned.

Supply was thin on day one, which is why a rush of buy orders can move the price so far. Seoul Economic Daily says 44.02% of the shares allocated to institutions were under lock-up — a promise not to sell for a set time. The share of stock that could actually trade on listing day fell to 23.21% from 28.66% in the securities registration statement. That tradable slice is the free float for the session. File the 44.02% / 23.21% / 28.66% picture as Seoul Economic Daily’s. Do not mix it with an earlier bookbuilding note: on 9 Sep, the same paper said institutions pledging a hold were 9% of order volume, and all 46 of those institutions picked a 15-day lock-up. The 44.02% line is the listing-day supply figure.

What the company sells, as the papers describe it: Neosapience, founded in 2017, is a generative-AI company. Generative AI means software that creates new speech, text, or video from a prompt. Its main product is Typecast. Users type text, and the AI turns it into speech that carries emotion. Seoul Economic Daily also calls Typecast a platform for audio and video. Aju Press says users make content with AI voices and virtual characters. Both papers say Typecast has 3.2 million registered users and more than 2,000 corporate clients, and that the company recently listed its API — a hook other software can call — on Amazon Web Services Marketplace, Amazon’s store for business software. File that product picture as the papers’. Extra product color from the 9 Sep pricing story — more than 720 voice assets, subscribers in 226 countries, Korean mobile carriers and broadcasters — stays in Sources.

The company is still losing money, on the papers’ figures. Seoul Economic Daily says revenue last year rose 66.4% to ₩10.65 billion, while the operating loss narrowed to ₩2.68 billion. An operating loss means the core business spent more than it took in. Aju Press says that ₩2.68 billion loss was down from ₩7.88 billion the year before. For the first half of this year, Seoul Economic Daily says revenue was ₩6 billion and the operating loss was ₩3.36 billion. Both papers say the company plans to spend the offering money on AI infrastructure, including graphics chips used to run the models, on research, and on overseas sales. File those figures as the papers’. A narrower loss is not a profit. This desk did not audit the books.

Do not invent a U.S. listing, a dollar market cap, a closing price, or a share count this desk calculated. Do not turn the intraday high into a close, and do not turn the 9:07 a.m. print into the 9:33 a.m. print. A finished session would show a closing price. This filing is the debut morning.

Plain English for the rest of the card: KOSDAQ = South Korea’s exchange for smaller and newer listed companies. IPO / initial public offering = the first public sale of a company’s shares. offer price = the price of the new shares before trading starts. indicated range = the price band investors were told to expect; below range means the final offer was cheaper than that band. won (₩) = South Korea’s currency. Korea Exchange = the operator of Korea’s stock markets. lock-up = a promise not to sell allocated shares for a set time. free float = the shares that can actually trade. subscription ratio = how many times investors asked for the shares on offer. turnover = the value of shares that changed hands. generative AI = software that creates new speech, text, or video. Typecast = Neosapience’s text-to-voice product. API = a hook that lets other software call a product. This filing is the KOSDAQ debut. It is not a U.S. listing and not a dollar market cap.

REPORTED here: Seoul Economic Daily’s 21 Sep 2026 dispatch by Shin Ji-min — Tier B Korean business press quoting Korea Exchange figures, not a U.S. Tier A SEC filing and not a company newsroom primary — plus Aju Press’s same-day note by Yang Boyeon, also citing the Korea Exchange. The 9 Sep Seoul Economic Daily pricing piece by Shin Mi-jin is the earlier offer-price record. INDEPENDENT: two Korean business desks on the debut day, on different minutes of the same morning. The first-day KOSDAQ trading, the ₩10,000 offer, the 9:33 a.m. ₩26,450 / +164.50% print, the ₩25,250 open, the ₩30,700 / +207% high, the volume above 8.55 million shares, the turnover above ₩240 billion, the 44.02% institutional lock-up, and the 23.21% tradable share line are Seoul Economic Daily’s, citing the Korea Exchange where the paper does. The 9:07 a.m. ₩29,550 / +195.50% print, the ₩20 billion raised, and the Daishin Securities underwriter line are Aju Press’s. The ₩13,800–₩15,800 range and the 219.56-to-1 bookbuilding ratio are the 9 Sep pricing story’s. The loss and revenue lines stay attributed to the paper that printed them. NOT claimed: a U.S. listing, a dollar market cap, a closing print, that the 164.50% print is a triple, that a narrower operating loss is a profit, that this desk sat on the Korea Exchange tape, a stock tip, or investment advice. Distinct from the already-filed china-humanoid-ipo-slowdown and amd-1-trillion-market-cap.