Kostecsys. Co., Ltd. (KOSDAQ:355150)

South Korea · Delayed Price · Currency is KRW

14,820

+2,370 (19.04%)

At close: Jul 31, 2026

Kostecsys. Financials Overview

Financials in millions KRW. Fiscal year is January - December.

Millions KRW. Fiscal year is Jan - Dec.

Revenue & Profits

Fiscal Year	TTM	FY 2025	FY 2024	FY 2023	FY 2022	FY 2020
Period Ending	Mar '26 Mar 31, 2026	Dec '25 Dec 31, 2025	Dec '24 Dec 31, 2024	Dec '23 Dec 31, 2023	Dec '22 Dec 31, 2022	Dec '20 Dec 31, 2020
Revenue	17,357	15,220	14,213	11,549	25,352	7,727
Revenue Growth	27.68%	7.08%	23.07%	-54.44%	228.08%	8.96%
Gross Profit	3,717	2,250	238.4	908.91	5,189	1,955
Operating Income	1,701	184.34	-1,895	-1,320	3,574	614.49
Net Income	737.9	-562.52	-1,795	-11,379	-1,079	584.94
Earnings Per Share	99.89	-76.47	-238.00	-1636.00	-39.00	156.00
EPS Growth	-	-	-	-	-	151.61%

Revenue by Segment

Fiscal Year	FY 2024	FY 2023
Period Ending	Dec '24 Dec 31, 2024	Dec '23 Dec 31, 2023
Radio Frequency Communication Package	25,164	11,328
Power Semiconductor Spacer	187	223

Cash & Debt

Fiscal Year	Current	FY 2025	FY 2024	FY 2023	FY 2022	FY 2020
Period Ending	Mar '26 Mar 31, 2026	Dec '25 Dec 31, 2025	Dec '24 Dec 31, 2024	Dec '23 Dec 31, 2023	Dec '22 Dec 31, 2022	Dec '20 Dec 31, 2020
Cash & Investments	2,444	1,490	1,119	469.63	2,381	943.26
Total Debt	24,166	28,409	14,159	9,632	14,922	5,897
Net Cash (Debt)	-21,721	-26,919	-13,040	-9,162	-12,541	-4,954
Net Cash Growth	-	-	-	-	-	-
Net Cash Per Share	-2940.33	-3659.34	-1729.12	-1317.27	-453.17	-1321.23

Cash Flow & CapEx

Fiscal Year	TTM	FY 2025	FY 2024	FY 2023	FY 2022	FY 2020
Period Ending	Mar '26 Mar 31, 2026	Dec '25 Dec 31, 2025	Dec '24 Dec 31, 2024	Dec '23 Dec 31, 2023	Dec '22 Dec 31, 2022	Dec '20 Dec 31, 2020
Operating Cash Flow	2,144	539.3	-1,341	-6,076	6,061	-672.92
Capital Expenditures	-4,426	-3,915	-1,033	-1,399	-4,333	-52.7
Free Cash Flow	-2,282	-3,376	-2,374	-7,475	1,729	-725.62
Free Cash Flow Growth	-	-	-	-	-	-

Margins

Fiscal Year	TTM	FY 2025	FY 2024	FY 2023	FY 2022	FY 2020
Period Ending	Mar '26 Mar 31, 2026	Dec '25 Dec 31, 2025	Dec '24 Dec 31, 2024	Dec '23 Dec 31, 2023	Dec '22 Dec 31, 2022	Dec '20 Dec 31, 2020
Gross Margin	21.42%	14.78%	1.68%	7.87%	20.47%	25.30%
Operating Margin	9.80%	1.21%	-13.33%	-11.43%	14.10%	7.95%
Pretax Margin	4.64%	-4.16%	-12.77%	-95.58%	-5.44%	8.62%
Profit Margin	4.25%	-3.70%	-12.63%	-98.53%	-4.26%	7.57%
FCF Margin	-13.15%	-22.18%	-16.70%	-64.72%	6.82%	-9.39%

Valuation

Fiscal Year	Current	FY 2025	FY 2024	FY 2023	FY 2022	FY 2020
Period Ending	Aug '26 Aug 3, 2026	Dec '25 Dec 31, 2025	Dec '24 Dec 31, 2024	Dec '23 Dec 31, 2023	Dec '22 Dec 31, 2022	Dec '20 Dec 31, 2020
PE Ratio	148.37	-	-	-	-	18.78
Forward PE	-	23.75	4.45	142.58	-	-
P/FCF Ratio	-	-	-	-	6.68	-
PS Ratio	6.66	6.92	2.79	7.26	0.46	1.42