Recent 8-K filings for GCTS

• May 12, 2026, 4:15 PM ET earnings materiality 0.65 positive item 2.02item 9.01

  GCT Semiconductor Q1 revenue up 287% YoY to $1.9M; 5G chipset shipments up 58% sequentially

  Revenue $1.9M (+287% YoY); gross margin improved to 49.3% from 17.7%.

• March 25, 2026, 7:59 PM ET earnings materiality 0.75 negative item 2.02item 9.01

  GCT Semiconductor Q4 revenue $0.8M (-57.5% YoY); 5G chipset shipments exceed 1,900

  Q4 revenue $0.8M (-57.5% YoY), FY2025 $2.9M (-68.6% YoY); gross margin negative as product revenue insufficient to absorb overhead.

• February 25, 2026, 6:59 PM ET debt materiality 0.60 neutral item 1.01item 9.01 ◈ Material Agreements ×2

  GCT Semiconductor extends note maturity to 2028, issues warrant to Gogo for 500k shares at $2.50

  Maturity of convertible note extended from 2026 to February 26, 2028.

• January 29, 2026, 6:59 PM ET other material materiality 0.70 positive item 8.01item 9.01

  GCT licenses 5G/4G chipsets to major satellite provider for global connectivity

  Licensed 5G and 4G chipsets to one of the world’s largest satellite communications providers.

• December 15, 2025, 6:59 PM ET debt materiality 0.55 neutral item 1.01item 2.03item 9.01 ◈ Debt Financings

  GCT Semiconductor enters up to $20M convertible note facility with Indigo Capital LP

  Initial $1M advance; subsequent $1M tranches available at company's option, up to $20M aggregate.

• November 12, 2025, 6:59 PM ET other material materiality 0.65 positive item 2.02item 9.01

  GCT reports Q3 revenue down 84% to $0.4M, highlights 5G chipset orders >2,500 units

  Net revenues $0.4M vs $2.6M YoY; gross margin negative as overhead not absorbed by low revenue.

• September 19, 2025, 7:59 PM ET other materiality 0.15 neutral item 5.07

  GCT Semiconductor stockholders re-elect directors, ratify auditor, approve share issuance

  Nelson C. Chan and Dr. Kukjin Chun re-elected as directors with ~30.5M and ~30.7M votes for, respectively.

• September 11, 2025, 7:59 PM ET debt materiality 0.55 positive item 1.01item 2.03item 8.01item 9.01 ◈ Debt Financings

  GCT Semiconductor secures $10.7M term loan from largest shareholder for 5G production ramp-up

  Loan of up to $10.7M (KRW 15B) from Anapass, Inc. at 7% annual interest, maturing September 10, 2026.

• August 12, 2025, 7:59 PM ET earnings materiality 0.65 neutral item 2.02item 9.01

  GCT Semi posts Q2 revenue down 19% YoY; delivers initial 5G chipset samples, expects volume shipments in H2 2025

  Net revenues $1.2M, down 19% YoY from $1.5M; gross margin fell to 32.0% from 62.7%.

• June 6, 2025, 7:59 PM ET earnings materiality 0.65 negative item 8.01

  GCT reports Q1 revenue down 85% to $0.5M; 5G chipset sampling begins May 2025

  Net revenues $0.5M (-84.8% YoY); net loss $7.0M vs prior-year net income $0.8M (incl. $14.6M gain).

• May 16, 2025, 7:59 PM ET other material materiality 0.70 neutral item 1.01item 8.01item 9.01

  GCT Semiconductor raises $11M in registered direct offering of shares and warrants

  Sold 7,006,370 shares and warrants for up to 10,509,555 shares at $1.57/unit; gross proceeds ~$11M.

• May 14, 2025, 7:59 PM ET earnings materiality 0.75 negative item 2.02item 9.01

  GCT Q1 revenue $0.5M (-84.8% YoY); net loss $7.0M; 5G sampling starts end of May

  Q1 net revenue $0.5M, down 84.8% YoY; net loss $7.0M vs net income $0.8M a year ago.

• April 17, 2025, 7:59 PM ET other material materiality 0.50 neutral item 8.01item 9.01

  GCT Semiconductor signs LOI with Orbic to develop 5G mobile hotspot and FWA gateway

  Orbic and GCT will jointly develop an Orbic-branded mobile hotspot and FWA gateway using GCT's Verizon-certified 5G module.

• March 25, 2025, 7:59 PM ET earnings materiality 0.70 negative item 2.02item 9.01

  GCT Semiconductor Q4 revenue down 57% to $1.8M; net loss improves to $5.0M; 5G chipset shipments expected H1 2025

  Net revenue $1.8M in Q4 2024, down 57.4% YoY from $4.2M; full year $9.1M down 43%.

• January 29, 2025, 6:59 PM ET debt materiality 0.60 neutral item 1.01

  GCT Semiconductor secures ₩6.5B ($4.5M) loan from Chairman at 12% interest, matures Feb 2025

  Borrower GCT Research (wholly owned subsidiary) entered a Loan Agreement with Chairman Kyeongho Lee for up to ₩6.5B (≈$4.5M) at 12% annual interest.

• November 14, 2024, 6:59 PM ET earnings materiality 0.60 neutral item 2.02item 9.01

  GCT Semiconductor Q3 revenue $2.6M, down 42% YoY; 5G chipset shipments H1 2025

  Net revenues $2.6M, down 42% YoY from $4.5M, but up 78% sequentially; gross margin improved to 62% from 12%.

• September 26, 2024, 7:59 PM ET other material materiality 0.55 neutral item 1.01item 3.02item 9.01

  GCT Semiconductor raises ~$2.2M via private placement of common stock and warrants to Anapass

  Sold 741,603 shares at $3.02/share and a warrant for 148,320 shares at same exercise price.

• August 26, 2024, 7:59 PM ET leadership materiality 0.30 neutral item 5.02item 9.01

  GCT Semiconductor adopts executive retention plan with severance benefits for officers

  Plan provides 6-month salary continuation, healthcare, and 50% equity acceleration for involuntary termination outside change-in-control period.

• August 14, 2024, 7:59 PM ET earnings materiality 0.60 neutral item 2.02item 9.01

  GCT Semiconductor Q2 revenue $1.5M, down 65% YoY; 5G chipset on track for Q4 sampling

  Net revenues $1.5M (down from $4.3M YoY); gross margin 63% vs 66%.

• July 10, 2024, 7:59 PM ET other material materiality 0.55 positive item 8.01item 9.01

  GCT Semiconductor partners with Kyocera to develop 5G reference platform for CPE/FWA devices

  Collaboration with Kyocera to develop a 5G reference platform for customer premise equipment (CPE) and fixed wireless access (FWA) devices.

• May 14, 2024, 7:59 PM ET earnings materiality 0.55 neutral item 2.02item 9.01 ◈ Earnings Releases

  GCT Semiconductor Q1 revenue up 7% to $3.3M; income from operations positive on $14.6M contract gain

  Revenue $3.3M, up 7% YoY; gross margin improved to 60% from 50%.

• April 24, 2024, 7:59 PM ET other material materiality 0.65 neutral item 1.01item 3.02item 9.01 ◈ Material Agreements

  GCT Semiconductor enters $50M common stock purchase agreement with B. Riley

  Agreement to sell up to $50M in new shares to B. Riley Principal Capital II, at company's discretion, based on VWAP pricing.

Earnings & guidance

Materiality & sentiment trend

Max materiality 0.75 · Median 0.60 · Most common event earnings

5 positive 4 negative 13 neutral

source · GCTS on sec.gov