Every 8-K that GCT Semiconductor Holding, Inc. (GCTS) has filed with the SEC in the last 24 months is listed below, newest first, and each one links through to the document itself with the summary and the scores our analysis gives it.
A 8-K covers material events a company has to report between its quarterly reports, so if you follow GCTS and want that one kind of document rather than the whole filing history, this is the page to keep. The company's other filings, of every form, are on the full GCTS filings page.
GCT Semiconductor Holding, Inc. reported second-quarter 2026 results showing early 5G commercialization with continued losses. The company shipped over 5,100 5G chipsets in Q2 2026, with shipments up approximately 71% sequentially, and expects aggregate 5G shipments in the second half of 2026 to exceed first-half levels.
For the quarter ended June 30, 2026, net revenues were $0.97 million versus $1.18 million a year earlier, producing a gross loss of $0.23 million compared with gross profit previously. Six-month 2026 net revenues were $2.89 million, up from $1.68 million, and the company states first-half revenue slightly exceeds full-year 2025. Q2 net loss widened to $20.4 million, significantly affected by a $12.3 million non-cash loss from the change in fair value of warrant liabilities. Adjusted EBITDA loss for Q2 was $6.63 million, similar to the prior year.
Liquidity improved, with $30.2 million of cash and cash equivalents at June 30, 2026, versus $0.6 million at year-end 2025, and total assets of $49.8 million. GCT has an effective $200.0 million universal shelf registration, and during Q2 increased the at-market equity program capacity from $75.0 million to $120.0 million, enhancing potential access to capital while operating with a stockholders’ deficit of $52.0 million.
GCT Semiconductor Holding, Inc. filed an amended current report to add a legal opinion related to its existing at-the-market stock issuance program. The opinion from Morgan, Lewis & Bockius LLP covers the legality of shares issuable under an At Market Issuance Sales Agreement dated April 1, 2025, supported by a prospectus supplement filed June 18, 2026 under an effective Form S-3 shelf registration. This update is administrative and does not itself represent a new offer or sale of shares.
GCT Semiconductor Holding, Inc. filed a current report to add a legal opinion supporting the validity of shares issuable under its At Market Issuance Sales Agreement. The opinion, from Morgan, Lewis & Bockius LLP, relates to a prospectus supplement filed on June 18, 2026, which supplements the Company’s shelf registration statement on Form S-3 (File No. 333-286316) that was declared effective on April 9, 2025. The filing clarifies that it is not itself an offer to sell or a solicitation to buy the common stock referenced.
GCT Semiconductor Holding, Inc. reported first quarter 2026 results with total net revenues of $1.9M, an increase of 287% year-over-year, driven by higher 5G product and service revenues. Product revenue was $0.47M and service revenue was $1.45M, producing gross profit of $0.95M.
The company recorded an operating loss of $6.1M and a net loss of $9.9M, or $(0.15) per share, similar on a per-share basis to the prior year. Management highlighted a roughly 58% sequential increase in 5G chipset shipments and emphasized plans to scale production and maintain financial flexibility.
Liquidity as of March 31, 2026 included cash and cash equivalents of $7.2M, net accounts receivable of $2.4M and inventory of $1.6M. Total assets were $22.4M against total liabilities of $96.3M, resulting in stockholders’ deficit of $73.9M.
GCT Semiconductor Holding, Inc. reported weak 2025 results with early 5G traction. For the year ended December 31, 2025, total net revenues were $2.9 million, down from $9.1 million in 2024, while net loss widened to $43.4 million from $12.4 million, reflecting higher operating expenses and negative gross profit.
Management highlighted commercial progress in 5G, including more than 1,900 5G chipsets shipped in the fourth quarter of 2025 and a 76% sequential revenue increase in that quarter. As of December 31, 2025, the company had $0.6 million in cash and cash equivalents, total assets of $15.6 million, total liabilities of $98.9 million, and a stockholders’ deficit of $83.3 million, though cash rose to $9.4 million as of February 28, 2026.
The company expects sequential quarterly growth in revenue and 5G chipset shipments throughout 2026 and retains access to an at-the-market equity program of up to $75 million and remaining capacity of $125 million under a $200 million shelf registration.
GCT Semiconductor Holding, Inc. disclosed that its subsidiary, GCT Semiconductor, Inc., amended an existing convertible promissory note with a strategic investor. The amendment extends the note’s maturity date to February 26, 2028, giving the company more time before repayment is due.
As consideration for entering into this amendment, the company agreed to issue the investor a warrant to purchase 500,000 shares of common stock at an exercise price of $2.50 per share, with a three‑year term from the issuance date.
GCT Semiconductor Holding, Inc. filed a current report to disclose that it has licensed its 5G and 4G chipsets to one of the world’s largest satellite communications providers. The company communicated this development through a press release that is included with the report as an exhibit.
The filing highlights a new technology licensing relationship in satellite communications, suggesting broader use of GCT’s wireless chipsets in non-terrestrial networks. Detailed commercial terms are contained in the referenced press release rather than this report.
GCT Semiconductor Holding, Inc. entered into a Convertible Promissory Note Purchase Agreement with Indigo Capital LP, allowing it to issue up to $20,000,000 in convertible promissory notes. The Purchaser will provide an initial advance of $1,000,000, with additional advances of up to $1,000,000 each at the Company’s request, subject to specified conditions. The notes are issued at a 7% original issue discount, mature 24 months after issuance, and do not bear cash interest.
The Convertible Notes are convertible into common stock at a price equal to 90% of the average volume weighted average price of the three trading days prior to conversion, subject to beneficial ownership and stock exchange limitations, and the notes and conversion shares are registered under an existing Form S-3. The Company may redeem the notes after 12 months, must maintain an effective resale registration and reserve sufficient shares, and states that it has full control over timing and amounts drawn, with no obligation to sell any notes, describing the facility as providing significant financing flexibility while aiming to minimize dilution to existing stockholders.
GCT Semiconductor Holding, Inc. furnished an 8-K announcing its financial results for the quarter ended September 30, 2025. The update was released via a press release, which is included as Exhibit 99.1.
The company stated that the information under Item 2.02, including Exhibit 99.1, is furnished and not deemed filed under Section 18 of the Exchange Act, and is not incorporated by reference into other filings unless expressly stated. The filing also lists Exhibit 104 for the cover page interactive data file. GCT’s securities are listed on the NYSE under GCTS (common stock) and GCTS.WS (warrants).
GCT Semiconductor Holding, Inc. reported the results of its 2025 annual stockholder meeting held on September 18, 2025. Stockholders elected directors Nelson C. Chan and Dr. Kukjin Chun, each receiving over 30.5 million votes in favor, with broker non-votes reported.
They also ratified the appointment of the Company’s independent registered public accounting firm for the fiscal year ending December 31, 2025, with 32,620,731 votes for, 3,990 against and 985,375 abstentions. In a key governance item, stockholders approved, for purposes of New York Stock Exchange rules, the issuance of common stock in excess of 19.99% of outstanding common stock pursuant to the Company’s equity line of credit facility, with 30,629,198 votes for, 79,294 against, 912,989 abstentions and 1,988,615 broker non-votes.
GCT Semiconductor Holding, Inc. disclosed that its wholly owned subsidiary, GCT Research, Inc., entered into a new term loan agreement with Anapass, Inc. The facility provides up to ₩15.0 billion South Korean Won, described as approximately USD $10.7 million, giving the company additional short-term funding capacity. The loan carries a 7.0% annual interest rate and will mature on September 10, 2026, meaning principal and interest must be repaid within roughly one year of signing. To secure repayment and other obligations under the agreement, GCT Research pledged certain assets as collateral, which increases the lender’s protection but encumbers those assets.
GCT Semiconductor Holding, Inc. furnished an 8-K reporting that it issued a press release announcing its financial results for the quarter ended June 30, 2025, with that press release furnished as Exhibit 99.1. The company also furnished its cover page interactive XBRL file as Exhibit 104. The filing notes the company is an emerging growth company and reports its securities as Common Stock (GCTS) and warrants (GCTS.WS) listed on the NYSE.
The report states the information in Item 2.02 and Exhibit 99.1 is furnished and is not deemed "filed" for purposes of Section 18 of the Exchange Act and is not incorporated by reference into other filings. No financial figures, operating metrics, or other result details are included in this 8-K; readers must consult Exhibit 99.1 for the substantive results.