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Alex Sum

CIK: 0001543349

Transaction Breakdown

Open Market Buys (P)0 (0.0%)

High conviction signal

Open Market Sales (S)0 (0.0%)

Position reduction

Option Exercises (M)1 (20.0%)

Derivative conversions

Awards (A)4 (80.0%)

Compensation grants

Other (G, F, J, C, D, …)0 (0.0%)

Gifts, tax withholding, conversions, dispositions to the issuer and other codes

Companies & Roles (1)

GCT Semiconductor Holding, Inc. logo
GCTS

GCT Semiconductor Holding, Inc.

Officer

Discretionary Trading P&L

Holdings

Transaction History (5 total)

  • GCT Semiconductor Holding, Inc. logo
    GCTS

    GCT Semiconductor Holding, Inc.

    Sep 10, 2026
    Award(A)
    Direct
    75K shares-
  • GCT Semiconductor Holding, Inc. logo
    GCTS

    GCT Semiconductor Holding, Inc.

    Sep 19, 2025
    Award(A)
    Direct
    75K shares-
  • GCT Semiconductor Holding, Inc. logo
    GCTS

    GCT Semiconductor Holding, Inc.

    Feb 19, 2025
    Exercise(M)
    Direct
    13.3K shares at avg. $0.11$1K
  • GCT Semiconductor Holding, Inc. logo
    GCTS

    GCT Semiconductor Holding, Inc.

    Mar 26, 2024
    Award(A)
    Direct
    90.1K shares-
  • GCT Semiconductor Holding, Inc. logo
    GCTS

    GCT Semiconductor Holding, Inc.

    Mar 26, 2024
    Award(A)
    Direct
    5.3K shares-

1-5 of 5

About Sum Alex

Sum Alex (SEC CIK 0001543349) files insider reports with the SEC as Sr. VP of Sales and Marketing of GCT Semiconductor Holding, Inc. (GCTS).

Signal8 holds 4 ownership filings by Sum Alex, all Form 4s, filed between Feb 21, 2025 and Sep 14, 2026. Those filings report 5 transactions, from Mar 26, 2024 to Sep 10, 2026. Signal8's Form 4 history starts in Sep 2024.

The business address on Sum Alex's filings is in SAN JOSE, CA.

Recent filings by Sum Alex

  • Sep 10, 2026: Grant or award of GCTS shares (Form 4, code A).
  • Sep 19, 2025: Grant or award of GCTS shares (Form 4, code A).
  • Feb 19, 2025: Option exercise of GCTS shares (Form 4, code M).
  • Mar 26, 2024: Grants or awards of GCTS shares (2 lines, Form 4, code A).

Other insiders filing for GCT Semiconductor Holding, Inc. (GCTS)

How to read Form 4 transaction codes