• Live Feeds
    • Press Releases
    • Insider Trading
    • FDA Approvals
    • Analyst Ratings
    • Insider Trading
    • SEC filings
    • Market insights
  • Analyst Ratings
  • Alerts
  • Subscriptions
  • AI SuperconnectorNEW
  • Settings
  • RSS Feeds
Quantisnow Logo
  • Live Feeds
    • Press Releases
    • Insider Trading
    • FDA Approvals
    • Analyst Ratings
    • Insider Trading
    • SEC filings
    • Market insights
  • Analyst Ratings
  • Alerts
  • Subscriptions
  • AI SuperconnectorNEW
  • Settings
  • RSS Feeds
PublishGo to AppAI Superconnector
    Quantisnow Logo

    © 2025 quantisnow.com
    Democratizing insights since 2022

    Services
    Live news feedsRSS FeedsAlertsPublish with Us
    Company
    AboutQuantisnow PlusContactJobsAI superconnector for talent & startupsNEW
    Legal
    Terms of usePrivacy policyCookie policy

    SEC Form POS AM filed by GCT Semiconductor Holding Inc.

    6/6/25 5:05:43 PM ET
    $GCTS
    Semiconductors
    Technology
    Get the next $GCTS alert in real time by email
    POS AM 1 posam.htm
     
    As filed with the Securities and Exchange Commission on June 6, 2025
     
    Registration No. 333-278809
     
     
     
    UNITED STATES
    SECURITIES AND EXCHANGE COMMISSION
    Washington, D.C. 20549
     
     
     
    POST-EFFECTIVE AMENDMENT NO. 1
    TO
    FORM S-1 REGISTRATION STATEMENT NO. 333-278809
     
    UNDER
    THE SECURITIES ACT OF 1933
     
     
     
    GCT Semiconductor Holding, Inc.
    (Exact name of registrant as specified in its charter)
     
     
     
    Delaware
     
    6770
     
    86-2171699
    (State or other jurisdiction of
    incorporation or organization)
     
    (Primary Standard Industrial
    Classification Code Number)
     
    (I.R.S. Employer
    Identification Number)
     

    GCT Semiconductor Holding, Inc.
    2290 North 1st Street, Suite 201
    San Jose, California 95131
    (408) 434-6040
    (Address, including zip code, and telephone number, including area code, of registrant’s principal executive offices)
     
     
    John Schlaefer
    Chief Executive Officer
    GCT Semiconductor Holding, Inc.
    2290 North 1st Street, Suite 201
    San Jose, California 95131
    (408) 434-6040
    (Name, address, including zip code, and telephone number, including area code, of agent for service)
     
     
     
    With copies to:
     
    Albert Lung, Esq.
    Morgan, Lewis & Bockius LLP
    1400 Page Mill Road
    Palo Alto, CA 94304
    (650) 843-4000
     


     
     
    Approximate date of commencement of proposed sale to the public: Not applicable.
     
    If the only securities being registered on this Form are being offered pursuant to dividend or interest reinvestment plans, please check the following box. ☐
    If any of the securities being registered on this Form are to be offered on a delayed or continuous basis pursuant to Rule 415 under the Securities Act of 1933, other than securities offered only in connection with dividend or interest reinvestment plans, check the following box. ⌧
    If this Form is filed to register additional securities for an offering pursuant to Rule 462(b) under the Securities Act, please check the following box and list the Securities Act registration statement number of the earlier effective registration statement for the same offering. ☐
    If this Form is a post-effective amendment filed pursuant to Rule 462(c) under the Securities Act, check the following box and list the Securities Act registration statement number of the earlier effective registration statement for the same offering. ☐
    If this Form is a registration statement pursuant to General Instruction I.D. or a post-effective amendment thereto that shall become effective upon filing with the Commission pursuant to Rule 462(e) under the Securities Act, check the following box. ☐
    If this Form is a post-effective amendment to a registration statement filed pursuant to General Instruction I.D. filed to register additional securities or classes of additional securities pursuant to Rule 413(b) under the Securities Act, check the following box. ☐
    Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, a smaller reporting company, or an emerging growth company. See the definitions of “large accelerated filer,” “accelerated filer,” “smaller reporting company” and “emerging growth company” in Rule 12b-2 of the Exchange Act.
     
           
    Large accelerated filer
     ☐
    Accelerated filer
    ☐
         
     
    Non-accelerated filer
     ☒
    Smaller reporting company
    ☒
         
     
       
    Emerging growth company
    ☒
     
    If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 7(a)(2)(B) of Securities Act. ☐
     
     
     
     

     
     
     
    DEREGISTRATION OF SECURITIES
     
    GCT Semiconductor Holding, Inc., a Delaware corporation (the “Registrant”), is filing this Post-Effective Amendment No. 1 (the “Amendment”) to the Registration Statement on Form S-1 (File No. 333-278809) filed by the Registrant with the Securities and Exchange Commission (“SEC”) on May 23, 2024 and declared effective on June 03, 2024 (“S-1 Registration Statement”), to deregister any and all securities of the Registrant registered but unsold or otherwise unissued under the S-1 Registration Statement as of the date hereof.
     
    The S-1 Registration Statement registered (i) the issuance by us of up to 26,724,001 shares of our common stock underlying warrants, (ii) the future resale of up to 35,970,732 shares of our common stock, and (iii) the future resale of up to 6,580,000 private placement warrants, held by the selling securityholders named in the prospectus, as required by the registration rights agreement that we initially entered into with certain of the selling securityholders on March 26, 2024.

    On May 30, 2025, the Registrant filed a Registration Statement on Form S-3 (File No. 333-286704) with the SEC, which was declared effective on June 6, 2025, to register all unsold or unissued securities under the S-1 Registration Statement and to register for resale certain warrants as required by the securities purchase agreement that we initially entered into with certain of the selling securityholders on September 26, 2024.
     
    For ease of reference, all share numbers above are as stated in the S-1 Registration Statement.
     
    Any and all offerings of the Registrant’s securities pursuant to the S-1 Registration Statement have been terminated. Accordingly, the Registrant hereby terminates the effectiveness of the S-1 Registration Statement. In addition, in accordance with undertakings made by the Registrant in the S-1 Registration Statement to remove from registration, by means of a post-effective amendment, any securities being registered which remain unsold at the termination of the offering, the Registrant hereby removes from registration all securities registered under the S-1 Registration Statement that remain unsold under the S-1 Registration Statement as of the date hereof. The S-1 Registration Statement is hereby amended, as appropriate, to reflect the deregistration of such securities.
     
     
     
     

     
     
     
    SIGNATURES
     
    Pursuant to the requirements of the Securities Act of 1933, the Registrant has duly caused this Post-Effective Amendment No. 1 to the Registration Statement to be signed on its behalf by the undersigned, thereunto duly authorized in San Jose, California, on June 6, 2025.
     
    GCT SEMICONDUCTOR HOLDING, INC.
     
     
     
     
    By:
    /s/ John Schlaefer
     
    Name:
    John Schlaefer
     
    Title:
    Chief Executive Officer
     
     
    No other person is required to sign this Post-Effective Amendment No. 1 to the Registration Statement in reliance on Rule 478 of the Securities Act of 1933, as amended.
     
     
     
    Get the next $GCTS alert in real time by email

    Crush Q3 2025 with the Best AI Superconnector

    Stay ahead of the competition with Standout.work - your AI-powered talent-to-startup matching platform.

    AI-Powered Inbox
    Context-aware email replies
    Strategic Decision Support
    Get Started with Standout.work

    Recent Analyst Ratings for
    $GCTS

    DatePrice TargetRatingAnalyst
    8/28/2024$8.00Buy
    B. Riley Securities
    More analyst ratings

    $GCTS
    Insider Trading

    Insider transactions reveal critical sentiment about the company from key stakeholders. See them live in this feed.

    View All

    Class II Director Shin Hyunsoo bought $152,460 worth of shares (121,000 units at $1.26), increasing direct ownership by 24% to 631,704 units (SEC Form 4)

    4 - GCT Semiconductor Holding, Inc. (0001851961) (Issuer)

    8/19/25 4:00:19 PM ET
    $GCTS
    Semiconductors
    Technology

    Class III Director Tuder Jeffrey was granted 18,456 shares, increasing direct ownership by 32% to 76,801 units (SEC Form 4)

    4 - GCT Semiconductor Holding, Inc. (0001851961) (Issuer)

    7/2/25 4:34:48 PM ET
    $GCTS
    Semiconductors
    Technology

    Class II Director Shin Hyunsoo was granted 18,456 shares, increasing direct ownership by 4% to 510,704 units (SEC Form 4)

    4 - GCT Semiconductor Holding, Inc. (0001851961) (Issuer)

    7/2/25 4:33:33 PM ET
    $GCTS
    Semiconductors
    Technology

    $GCTS
    Analyst Ratings

    Analyst ratings in real time. Analyst ratings have a very high impact on the underlying stock. See them live in this feed.

    View All

    B. Riley Securities initiated coverage on GCT Semiconductor with a new price target

    B. Riley Securities initiated coverage of GCT Semiconductor with a rating of Buy and set a new price target of $8.00

    8/28/24 7:45:47 AM ET
    $GCTS
    Semiconductors
    Technology

    $GCTS
    Press Releases

    Fastest customizable press release news feed in the world

    View All

    GCT Semiconductor Holding, Inc. to Present at the 2025 Gateway Conference on September 3rd

    SAN JOSE, Calif., Aug. 21, 2025 (GLOBE NEWSWIRE) -- GCT Semiconductor Holding, Inc. ("GCT" or the "Company") (NYSE:GCTS), a leading designer and supplier of advanced 5G and 4G semiconductor solutions, today announced its upcoming institutional investor conference attendance. 2025 Annual Gateway ConferenceGCT's management team is scheduled to present on Wednesday, September 3rd at 9:00 a.m. Pacific Time (PT) at the 2025 Annual Gateway Conference, which is being held at the Four Seasons Hotel in San Francisco, CA. The presentation will be available as a webcast here and via GCT's investor relations website. In addition to the presentation, GCT executives will be available for one-on-one mee

    8/21/25 4:05:00 PM ET
    $GCTS
    Semiconductors
    Technology

    GCT Semiconductor Successfully Completes Sampling of 5G Chipsets and Modules to Lead Customers

    Delivery of 5G chipsets to all lead customers now complete; GCT focuses on production readiness GCT Semiconductor Holding Inc. ("GCT") (NYSE:GCTS), a leading designer and supplier of advanced 5G and 4G semiconductor solutions, today announced the successful delivery of its new 5G chipset samples to all lead customers. GCT has fulfilled the initial sampling demand from its lead customers, who are actively progressing through their evaluation process. This momentum sets the stage for the next key milestone of production readiness. "We're excited about what lies ahead, having successfully delivered our initial round of samples to all our lead customers – and the feedback has been overwhelm

    8/20/25 8:00:00 AM ET
    $GCTS
    Semiconductors
    Technology

    GCT Semiconductor Holding, Inc. Provides Business Update and Reports Second Quarter 2025 Financial Results

    Company delivered initial 5G chipset samples to lead customers, in preparation for mass production and volume shipments in the second half of fiscal 2025 GCT Semiconductor Holding, Inc. ("GCT" or the "Company") (NYSE:GCTS), a leading designer and supplier of advanced 5G and 4G semiconductor solutions, today provided an update on business developments and reported financial results for the second quarter ended June 30, 2025. "2025GCT – Year of 5G" Program Update and other Highlights Successfully completed initial evaluation of 5G chipset and initialized transition to coordinating supply chain operations for mass production. Delivered initial 5G chipsets to lead customers, including

    8/12/25 4:05:00 PM ET
    $GCTS
    $IRDM
    Semiconductors
    Technology
    Telecommunications Equipment
    Telecommunications

    $GCTS
    Insider Purchases

    Insider purchases reveal critical bullish sentiment about the company from key stakeholders. See them live in this feed.

    View All

    Class II Director Shin Hyunsoo bought $152,460 worth of shares (121,000 units at $1.26), increasing direct ownership by 24% to 631,704 units (SEC Form 4)

    4 - GCT Semiconductor Holding, Inc. (0001851961) (Issuer)

    8/19/25 4:00:19 PM ET
    $GCTS
    Semiconductors
    Technology

    Class II Director Shin Hyunsoo bought $100,200 worth of shares (85,000 units at $1.18), increasing direct ownership by 21% to 492,248 units (SEC Form 4)

    4 - GCT Semiconductor Holding, Inc. (0001851961) (Issuer)

    6/12/25 9:11:16 AM ET
    $GCTS
    Semiconductors
    Technology

    Class II Director Shin Hyunsoo bought $163,787 worth of shares (160,000 units at $1.02), increasing direct ownership by 65% to 407,248 units (SEC Form 4)

    4 - GCT Semiconductor Holding, Inc. (0001851961) (Issuer)

    6/6/25 4:03:50 PM ET
    $GCTS
    Semiconductors
    Technology

    $GCTS
    SEC Filings

    View All

    SEC Form 10-Q filed by GCT Semiconductor Holding Inc.

    10-Q - GCT Semiconductor Holding, Inc. (0001851961) (Filer)

    8/12/25 4:25:38 PM ET
    $GCTS
    Semiconductors
    Technology

    GCT Semiconductor Holding Inc. filed SEC Form 8-K: Results of Operations and Financial Condition, Financial Statements and Exhibits

    8-K - GCT Semiconductor Holding, Inc. (0001851961) (Filer)

    8/12/25 4:16:48 PM ET
    $GCTS
    Semiconductors
    Technology

    Amendment: SEC Form SCHEDULE 13G/A filed by GCT Semiconductor Holding Inc.

    SCHEDULE 13G/A - GCT Semiconductor Holding, Inc. (0001851961) (Subject)

    8/12/25 2:02:45 PM ET
    $GCTS
    Semiconductors
    Technology

    $GCTS
    Financials

    Live finance-specific insights

    View All

    GCT Semiconductor Holding, Inc. to Give Business Update and Announce Second Quarter 2025 Financial Results on August 12, 2025

    GCT Semiconductor Holding, Inc. ("GCT" or the "Company") (NYSE:GCTS), a leading designer and supplier of advanced 5G and 4G semiconductor solutions, today announced that the Company will release its financial results for the second quarter ended June 30, 2025, on Tuesday, August 12, 2025, after the market closes. The press release will be followed by a conference call and live webcast at 4:30 p.m. ET or 1:30 p.m. PT, which will be open to the public. During the conference call, the Company will give a business update and review financial results, followed by a Q&A period. Date: Tuesday, August 12, 2025 Time: 4:30 p.m. Eastern time (1:30 p.m. Pacific time) Dial-in information: Please regis

    7/29/25 8:00:00 AM ET
    $GCTS
    Semiconductors
    Technology

    GCT Semiconductor Holding, Inc. Provides Business Update and Reports First Quarter 2025 Financial Results

    5G chipset sampling to customers scheduled to begin at the end of May, following completion of fab, wafer processing and delivery of finalized 5G chipsets to GCT facility GCT Semiconductor Holding, Inc. ("GCT" or the "Company") (NYSE:GCTS), a leading designer and supplier of advanced 5G and 4G semiconductor solutions, today provided an update on business developments and reported financial results for the first quarter ended March 31, 2025. "2025GCT – Year of 5G" Program Update and other Highlights 5G chipset sampling expected to be commencing at the end of May 2025: Finalized 5G chipsets are now being evaluated at GCT's facility following successful acceleration and completion of pro

    5/14/25 4:05:00 PM ET
    $GCTS
    Semiconductors
    Technology

    GCT Semiconductor Holding, Inc. to Give Business Update and Announce First Quarter 2025 Financial Results on May 14, 2025

    GCT Semiconductor Holding, Inc. ("GCT" or the "Company") (NYSE:GCTS), a leading designer and supplier of advanced 5G and 4G semiconductor solutions, today announced that the Company will release its financial results for the first quarter ended March 31, 2025, on Wednesday, May 14, 2025, after the market closes. The press release will be followed by a conference call and live webcast at 4:30 p.m. ET or 1:30 p.m. PT, which will be open to the public. During the conference call, the Company will give a business update and review financial results, followed by a Q&A period. Date: Wednesday, May 14, 2025 Time: 4:30 p.m. Eastern time (1:30 p.m. Pacific time) Dial-in information: Please register

    4/30/25 8:00:00 AM ET
    $GCTS
    Semiconductors
    Technology

    $GCTS
    Large Ownership Changes

    This live feed shows all institutional transactions in real time.

    View All

    Amendment: SEC Form SC 13G/A filed by GCT Semiconductor Holding Inc.

    SC 13G/A - GCT Semiconductor Holding, Inc. (0001851961) (Subject)

    11/14/24 4:34:25 PM ET
    $GCTS
    Semiconductors
    Technology

    Amendment: SEC Form SC 13G/A filed by GCT Semiconductor Holding Inc.

    SC 13G/A - GCT Semiconductor Holding, Inc. (0001851961) (Subject)

    11/13/24 5:55:57 PM ET
    $GCTS
    Semiconductors
    Technology

    Amendment: SEC Form SC 13G/A filed by GCT Semiconductor Holding Inc.

    SC 13G/A - GCT Semiconductor Holding, Inc. (0001851961) (Subject)

    11/13/24 4:42:49 PM ET
    $GCTS
    Semiconductors
    Technology