253590 - Neosem, Inc.

253590 Summary
Machinery
Stock Price & Overview
₩11,290 +150 (+1.35%) Close · Sep 4, 2026 KST
KOSDAQ | ₩KRW | Close: ₩11,290  ≈ US$8  ·  Market cap ₩0.5tn (≈ $354m)

253590 Stock Price

10K15K20Kprev 11Kpeak 21KOctNovDecJan ’26FebMarAprMayJunJulAugSep11K
52 Week Range
₩6,900₩20,650
Day Range
₩11,110₩11,470
Market Cap
₩0.5tn
P/E (TTM)
30.45x
P/B
3.70x
P/S (TTM)
5.95x
Volume
350,707
Shares Out
43.9M
Prev. Close
₩11,140
vs 52W High
-45.3%
Multiples use the close and the financials that were public on that date (DART), the same series as the Valuation tab — they are not vendor figures.

253590 Analysis

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Nothing written yet for this company.

253590 News

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No news written yet.

253590 Momentum

Period253590KOSDAQDifference
1 week+3.6%-3.0%+6.5%
1 month+27.1%+4.2%+22.9%
3 months-21.6%-22.5%+0.9%
6 months-16.7%-16.9%+0.2%
Year to date+3.0%-12.1%+15.1%
1 year+42.7%+1.0%+41.7%

Closed at 32% of the way from its 52-week low (₩6,900) to its 52-week high (₩20,650).

Price return on KRX closes, KOSDAQ on the same dates, no dividends. A period starts at the last trading day on or before the calendar date.

253590 Filings

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ks

Neosem delays ₩6.7bn tester delivery deadline to December

Neosem moved its semiconductor test-equipment contract's end from August 31 to December 31, 2026 after consulting the customer. The ₩6.67bn value equals 6.34% of FY2024 consolidated revenue. Neosem Technology, its subsidiary, is the buyer. Payment is due within 90 days of delivery, with no advance. The amendment does not give a more detailed reason for the schedule change.

Contract08/28/26kstock explained
₩6.7bn≈ $5m
ks

Neosem extends ₩8.5bn SSD tester contract through December

Neosem extended its sixth-generation SSD tester and module contract to December 31, 2026 from August 31. The ₩8.53bn value equals 13.35% of FY2025 consolidated revenue. Its subsidiary Neosem Technology is the customer. Payment falls due within 60 days after delivery, without an advance. The companies agreed to revise delivery timing; the filing does not specify the underlying cause.

Contract08/28/26kstock explained
₩8.5bn≈ $6m
DART

5% Ownership Report — Large Holdings

Ownership08/31/26title translated
DART

Half-Year Report

Periodic08/14/26title translated
Korean issuers file to DART, not the SEC. Titles are translated; where kstock has read the filing the row carries the explanation.

253590 Company Profile

Neosem, Inc. makes special-purpose machinery in South Korea. It is listed on KOSDAQ, was founded in 2016, is based in Gyeonggi, and has revenue of tens of billions of won.

SectorMachineryEmployees
MarketKOSDAQFounded2016
Korean name네오셈Head officeGyeonggi

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What a US investor should know

  • Trading hours09:00–15:30 KST — 20:00–02:30 US Eastern the night before.
  • Daily limitKorean stocks can move at most ±30% in a session before trading halts.
  • Getting exposureKRX shares are not directly tradable in most US brokerage accounts. The usual routes are Korea ETFs or an international account.
  • ReportingKorean issuers file to DART, not the SEC. Half-year and quarterly reports land about 45 days after period end.