Gct Semiconductor Holding, INC Form 4 insider transactions

GCT Semiconductor Holding, Inc. Director Jeffrey Tuder reported the acquisition of 18,456 shares of common stock through Restricted Stock Units (RSUs) on June 30, 2025, increasing his beneficial ownership to 76,801 shares.

GCT Semiconductor Holding, Inc. Director Shin Hyunsoo was granted 18,456 Restricted Stock Units (RSUs) under the company's 2024 Omnibus Incentive Compensation Plan, increasing his beneficial ownership to 510,704 shares.

GCT Semiconductor Holding, Inc. Director Kyeongho Lee was granted 18,456 Restricted Stock Units, valued at $27,500, which will vest on March 31, 2026.

GCT Semiconductor Holding, Inc. Director Chun Kukjin reported the acquisition of 18,456 Restricted Stock Units (RSUs) on June 30, 2025, increasing beneficial ownership to 64,247 shares.

GCT Semiconductor Holding, Inc. Director Nelson Chan was granted 18,456 Restricted Stock Units (RSUs) as part of the company's 2024 Omnibus Incentive Compensation Plan, vesting on March 31, 2026.

GCT Semiconductor Holding, Inc. Director Robert Barker was granted 18,456 Restricted Stock Units (RSUs) on June 30, 2025, as part of his compensation.

A director and 10% owner of GCT Semiconductor Holding, Inc. has reported the direct acquisition of 85,000 shares of common stock through two separate transactions.

Shin Hyunsoo, a Director at GCT Semiconductor Holding, Inc., has significantly increased his direct beneficial ownership of common stock through multiple purchases in early June 2025.

Shin Hyunsoo, a Director and Class II Director at GCT Semiconductor Holding, Inc., purchased 77,000 shares of common stock for $1.04 per share on May 23, 2025, signaling increased insider confidence.

Shin Hyunsoo, a Class II Director at GCT Semiconductor Holding, Inc., reported the acquisition and disposal of common stock on May 20, 2025.

Jeffrey Tuder, a Class III Director of GCT Semiconductor Holding, reports a distribution and disposal of common stock and warrants.

Robert Barker, a director at GCT Semiconductor Holding, Inc., files an amendment to a previous Form 4, correcting details regarding stock options and common stock conversion following the business combination agreement.

Jeemee Kim, VP of Engineering & CTO of GCT Semiconductor Holding, Inc., files an amendment to a previous Form 4 to correct the amount of common stock converted and the expiration dates of stock options following the business combination with Con-cord Acquisition Corp III.

Robert Barker, a director at GCT Semiconductor Holding, Inc., acquired 16,768 shares of common stock through restricted stock units (RSUs) on March 31, 2025.

Director Shin Hyunsoo acquired 16,768 Restricted Stock Units (RSUs) of GCT Semiconductor Holding, Inc. on March 31, 2025, under the company's 2024 Omnibus Incentive Compensation Plan.

Director Kukjin Chun reports acquiring and disposing of GCT Semiconductor Holding, Inc. common stock and Restricted Stock Units (RSUs) under the company's 2024 Omnibus Incentive Compensation Plan.

Kyeongho Lee, a director at GCT Semiconductor Holding, acquired 16,768 shares of common stock through the vesting of Restricted Stock Units (RSUs) on March 31, 2025.

Director Jeffrey Tuder acquired 16,768 shares of GCT Semiconductor Holding, Inc. common stock through the vesting of restricted stock units on March 31, 2025.

Director Chan Nelson reports acquiring 16,768 shares of GCT Semiconductor Holding, Inc. common stock through Restricted Stock Units (RSUs) under the company's 2024 Omnibus Incentive Compensation Plan.

Concord Sponsor Group III LLC reports a pro rata distribution of common stock and warrants, reducing its direct holdings in GCT Semiconductor Holding, Inc.

John Schlaefer, CEO of GCT Semiconductor Holding, Inc., filed an amendment to his Form 4 to correct the expiration dates of stock options previously reported on March 26, 2024.

A GCT Semiconductor executive, Alex Sum, files an amendment to a previous Form 4 to correct the number of common stock shares owned and the expiration dates of stock options.

John Schlaefer, CEO of GCT Semiconductor Holding, Inc., exercised stock options and acquired shares of common stock on January 13, 2025.

Alex Sum, Sr. VP of Sales and Marketing at GCT Semiconductor Holding, Inc., exercised stock options and acquired 13,259 shares of common stock at $0.11 per share on February 19, 2025.

Jeffrey Tuder, a Class III Director at GCT Semiconductor Holding, acquired 11,802 shares of common stock through restricted stock units (RSUs) on December 31, 2024.

Director Shin Hyunsoo acquired 11,802 shares of GCT Semiconductor Holding common stock through a restricted stock unit (RSU) grant under the company's 2024 Omnibus Incentive Compensation Plan.

Kyeongho Lee, a director at GCT Semiconductor Holding, acquired 11,802 shares of common stock through the vesting of Restricted Stock Units (RSUs) on December 31, 2024.

A GCT Semiconductor director, Kukjin Chun, acquired 11,802 shares through restricted stock units (RSUs) as part of the company's 2024 Omnibus Incentive Compensation Plan.

Director Nelson Chan of GCT Semiconductor Holding, Inc. acquired 11,802 restricted stock units (RSUs) on December 31, 2024, under the company's 2024 Omnibus Incentive Compensation Plan.

Robert Barker, a director of GCT Semiconductor Holding, Inc., acquired 11,802 shares of common stock on December 31, 2024, through the vesting of restricted stock units.