GCT Semiconductor Holding Inc.
Organization details
- Legal name
- GCT Semiconductor Holding Inc.
- Former names
- Concord Acquisition Corp III
- Ownership
- Public
- Status
- Active
- Sector (GICS)
- Information Technology
- SIC code
- 3674 — Semiconductors & Related Devices
- Jurisdiction of incorporation
- Delaware
- Headquarters city
- SAN Jose
- Headquarters state / province
- California
- Headquarters country
- United States
- Fiscal year end
- December
- Ticker symbol
- GCTS
- Primary stock exchange
- NYSE
Identifiers
- SEC CIK
- 0001851961
- EIN
- 86-2171699
Board of directors
-
Hyunsoo Shin · DirectorSince 2024
-
Jeffrey Tuder · DirectorSince 2024
-
John Schlaefer · Director · President, CEO & Class III DirSince 2024
-
Kukjin Chun · DirectorSince 2024
-
Kyeongho Lee · Director · Chairman & Class III DirectorSince 2024
-
Lawrence E. Leibowitz · DirectorSince 2023
-
Nelson C. Chan · DirectorSince 2024
-
Peter Ort · DirectorSince 2023
-
Robert Barker · DirectorSince 2024
-
Thomas C. King · DirectorSince 2023
Chief executives
Weak · grade F
Out of 100, from shareholder return, dividends, growth and acquisitions.
Partial: only 20% of the scoring weight is on file.
- Revenue growth 20%
- 0
-57.7% a year in revenue
20% of the scoring weight is on file. Figures cover December 2023 – December 2025.
Director election results
Annual meeting of September 17, 2026. Support is votes for as a share of votes for and against (or withheld). Below 80% is a clear protest.
-
90.9%
-
99.6%
Board connections
5 of this board's directors also sit on 8 other boards. 2 are in the same sector.
- via Jeffrey Tuder, Lawrence E. Leibowitz and Thomas C. King
- via Jeffrey Tuder and Peter Ort
- via Thomas C. King
- via Nelson C. Chan
-
Inseego Corp. Same sectorvia Jeffrey Tuder
- via Peter Ort
-
Synaptics Incorporated Same sectorvia Nelson C. Chan
- via Nelson C. Chan
Insider trades
All notable trades →From SEC Forms 4 and 5. Open-market purchases and sales are highlighted; grants, option exercises and shares withheld for tax are routine.
- Bought, last 12 months
- $58,058
- 3 purchases by 1 insider
- Sold, last 12 months
- $0
- 0 sales by 0 insiders
| Date | Insider | Transaction | Shares | Price | Value |
|---|---|---|---|---|---|
| Sep 30, 2026 | Robert Barker Director, Class II Director | Grant or award | +12,971 | — | — |
| Sep 30, 2026 | Nelson C. Chan Director, Class I Director | Grant or award | +12,971 | — | — |
| Sep 30, 2026 | Kukjin Chun Director, Class I Director | Grant or award | +12,971 | — | — |
| Sep 30, 2026 | Hyunsoo Shin Director, Class II Director | Grant or award | +12,971 | — | — |
| Sep 30, 2026 | Jeffrey Tuder Director, Class III Director | Grant or award | +12,971 | — | — |
| Sep 30, 2026 | Kyeongho Lee Director, Chairman & Class III Director | Grant or award | +12,971 | — | — |
| Sep 10, 2026 | Cheng Edmond Officer (Chief Financial Officer) | Grant or award | +145,000 | — | — |
| Sep 10, 2026 | Kim Jeong-Min Officer (Chief Technology Officer) | Grant or award | +100,000 | — | — |
| Sep 10, 2026 | John Schlaefer Director, Officer (President, CEO & Class III Dir) | Grant or award | +150,000 | — | — |
| Sep 10, 2026 | Sum Alex Officer (Sr. VP of Sales and Marketing) | Grant or award | +75,000 | — | — |
| Jun 30, 2026 | Robert Barker Director, Class II Director | Grant or award | +9,259 | — | — |
| Jun 30, 2026 | Nelson C. Chan Director, Class I Director | Grant or award | +9,259 | — | — |
| Jun 30, 2026 | Kukjin Chun Director, Class I Director | Grant or award | +9,259 | — | — |
| Jun 30, 2026 | Hyunsoo Shin Director, Class II Director | Grant or award | +9,259 | — | — |
| Jun 30, 2026 | Kyeongho Lee Director, Chairman & Class III Director | Grant or award | +9,259 | — | — |
Peers
Compare boardsOrganizations in the same sector, closest in location and size first.
Questions about GCT Semiconductor Holding Inc.
Who is the CEO of GCT Semiconductor Holding Inc.?
John Schlaefer has been GCT Semiconductor Holding Inc.'s President, CEO & Class III Dir since March 2024.
How many directors are on GCT Semiconductor Holding Inc.'s board?
GCT Semiconductor Holding Inc.'s board has 10 directors: Hyunsoo Shin, Jeffrey Tuder, John Schlaefer, Kukjin Chun, Kyeongho Lee, Lawrence E. Leibowitz, Nelson C. Chan, Peter Ort, Robert Barker and Thomas C. King.
Are GCT Semiconductor Holding Inc. insiders buying or selling shares?
Over the last 12 months, GCT Semiconductor Holding Inc. insiders bought $58,058 of shares in 3 purchases and made no open-market sales on the open market, as reported to the SEC on Forms 4 and 5.
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