Skip to content

NYSE · CIK 0001851961

GCTS GCT Semiconductor Holding, Inc.

Insider trading from SEC Form 4. Last filing Mar 28, 2025.

Last 90 days

Net insider value
$0
no open-market trades
Buys
0
$0 by 0 insiders
Sells
0
$0 by 0 insiders
Insiders on file
9
with a Form 4 at this company

Signals

Open-market buys and sells at GCT Semiconductor Holding, Inc., scored.

No scored open-market trades yet. Grants, exercises and other rows are below.

Transactions

The last 21 rows filed, every code.

DateInsiderTransactionSharesPriceValueHoldings afterFiled
Mar 26, 2025Concord Sponsor Group III LLC
owner
JOther
Common Stock
-3,101,241--632,586Mar 28, 2025
Mar 26, 2025Concord Sponsor Group III LLC
owner
JOther
Warrantderivative
-3,948,086$0.00$00Mar 28, 2025
Feb 19, 2025Sum Alex
Sr. VP of Sales and Marketing
MOption exercise
Common Stock, par value $0.0001 per share
+13,259$0.11$1,458108,743Feb 21, 2025
Jan 13, 2025Schlaefer John
President, CEO & Class III Dir
MOption exercise
Common Stock, par value $0.0001 per share
+35,669$0.11$3,924127,173Feb 21, 2025
Feb 19, 2025Sum Alex
Sr. VP of Sales and Marketing
MOption exercise
Stock Option (Right to Buy)derivative
-13,259$0.00$00Feb 21, 2025
Jan 13, 2025Schlaefer John
President, CEO & Class III Dir
MOption exercise
Stock Option (Right to Buy)derivative
-35,669$0.00$00Feb 21, 2025
Dec 31, 2024Shin Hyunsoo
director, other
AGrant or award
Common Stock
+11,802$0.00$067,693Jan 2, 2025
Dec 31, 2024TUDER JEFFREY
director, other
AGrant or award
Common Stock
+11,802$0.00$025,288Jan 2, 2025
Dec 31, 2024Lee Kyeongho
director, other
AGrant or award
Common Stock
+11,802$0.00$01,697,279Jan 2, 2025
Dec 31, 2024Chun Kukjin
director, other
AGrant or award
Common Stock
+11,802$0.00$028,964Jan 2, 2025
Dec 31, 2024Chan Nelson
director, other
AGrant or award
Common Stock
+11,802$0.00$025,288Jan 2, 2025
Dec 31, 2024Barker Robert
director, other
AGrant or award
Common Stock
+11,802$0.00$041,162Jan 2, 2025
Dec 13, 2024Shin Hyunsoo
director, other
AGrant or award
Common Stock
+800$2.50$2,00018,691Dec 16, 2024
Dec 13, 2024Shin Hyunsoo
director, other
AGrant or award
Common Stock
+200$2.50$50018,891Dec 16, 2024
Dec 16, 2024Shin Hyunsoo
director, other
AGrant or award
Common Stock
+37,000$2.57$95k55,891Dec 16, 2024
Sep 30, 2024Barker Robert
director, other
AGrant or award
Common Stock
+8,208$0.00$029,360Nov 21, 2024
Sep 30, 2024Chan Nelson
director, other
AGrant or award
Common Stock
+8,208$0.00$013,486Nov 21, 2024
Sep 30, 2024Chun Kukjin
director, other
AGrant or award
Common Stock
+8,208$0.00$017,162Nov 21, 2024
Sep 30, 2024Lee Kyeongho
director, other
AGrant or award
Common Stock
+8,208$0.00$01,685,477Nov 21, 2024
Sep 30, 2024Shin Hyunsoo
director, other
AGrant or award
Common Stock
+8,208$0.00$017,891Nov 21, 2024
Sep 30, 2024TUDER JEFFREY
director, other
AGrant or award
Common Stock
+8,208$0.00$013,486Nov 21, 2024

Insiders

Everyone who has filed a Form 4 here.

Not investment advice. Scores and forward returns are decision support built from public SEC filings and past prices; they describe what happened after comparable filings, not what will happen after this one. Do your own research and size your risk.

GCTS insider trading: GCT Semiconductor Holding, Inc. | InsiderTell