Semilux International Ltd. (SELX)
NASDAQ: SELX · Real-Time Price · USD
0.600
-0.079 (-11.67%)
At close: Dec 5, 2025, 4:00 PM EST
0.589
-0.011 (-1.80%)
After-hours: Dec 5, 2025, 6:17 PM EST

Company Description

Semilux International Ltd., through its subsidiaries, develops, manufactures, and sells laser module and its components.

It is an optical technology company, which engages in customization design and supply of optical components.

It designs and produces high-precision optics and fluorescent modules; and engages in sale of artificial intelligence related products, as well as investment holding activities.

It offers laser lights modules and related optical components use in commercial projectors, car lights, and optical sensors; laser lights module consists of laser diodes and fluorescent chips; color filters use in optical/laser modules; color filter wheels; fluorescent chip and wheel; and wafer level optics.

The company was founded in 2009 and is based in Taichung, Taiwan.

Semilux International Ltd.
Semilux International logo
Country Taiwan
Founded 2021
Industry Electronic Components
Sector Technology
Employees 58
CEO Dr. Yung-Peng Chang

Contact Details

Address:
No. 32, Keya Rd, 4th Floor
Taichung, 42881
Taiwan
Phone 886 4 2567 3281
Website semilux.com

Stock Details

Ticker Symbol SELX
Exchange NASDAQ
Stock Type Common Stock
Fiscal Year January - December
Reporting Currency TWD
CIK Code 0001990950
ISIN Number KYG8021C1042
SIC Code 3674

Key Executives

Name Position
Chih-Feng Wang Co-Chief Executive Officer and Director
Dr. Yung-Peng Chang Co-Chief Executive Officer and Chairman
Hsiu-Chen Hsu Chief Financial Officer
Dr. Mark Chang Chief Engineer
Kuo-Yin Huang Officer
Larry Wu Officer
Dr. Chun-Nien Liu Chief Technology Officer
Deborah Chang Chief Strategy Officer
XiuWu Dong Officer
JingYi Cheng Officer

Latest SEC Filings

Date Type Title
Nov 12, 2025 6-K Report of foreign issuer
Nov 10, 2025 20-F Annual and transition report of foreign private issuers
Jun 13, 2025 6-K/A Filing
Jun 12, 2025 6-K Report of foreign issuer
Jun 5, 2025 6-K Report of foreign issuer
May 15, 2025 6-K Report of foreign issuer
Apr 30, 2025 NT 20-F Notification of inability to timely file Form 20-F
Apr 15, 2025 6-K Report of foreign issuer
Dec 17, 2024 6-K Report of foreign issuer
May 15, 2024 20-F Annual and transition report of foreign private issuers