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Insider · CIK 0001542775

Schlaefer John

Reports to the SEC for 1 company · SAN JOSE, CA

Transactions

17

Companies

1

Filings

6

CIK

0001542775

Forms 4 and 5

Insider transactions

17 trades

Date	Company	Role	Code	Shares	Price	Value	Shares after
2026-09-10	GCTSGCT Semiconductor Holding, Inc.A Award	Director, President, CEO & Class III Dir	AAward	+150K sh	—	—	352,728
2025-09-26	GCTSGCT Semiconductor Holding, Inc.J Other	Director, President, CEO & Class III Dir	JOther	+555 sh	—	—	202,728
2025-09-19	GCTSGCT Semiconductor Holding, Inc.A Award	Director, President, CEO & Class III Dir	AAward	+75K sh	—	—	202,173
2025-01-13	GCTSGCT Semiconductor Holding, Inc.M Exercise/Conversion	Director, President, CEO & Class III Dir	MExercise/Conversion	+35.7K sh	$0.11	+$3,923.59	127,173
2025-01-13	GCTSGCT Semiconductor Holding, Inc. · Stock Option (Right to Buy)M Exercise/Conversion	Director, President, CEO & Class III Dir	MExercise/Conversion	−35.7K sh	—	—	0
2024-03-26	GCTSGCT Semiconductor Holding, Inc.A Award	Director, President, CEO & Class III Dir	AAward	+78.7K sh	—	—	78,700
2024-03-26	GCTSGCT Semiconductor Holding, Inc.A Award	Director, President, CEO & Class III Dir	AAward	+12.8K sh	—	—	12,804
2024-03-26	GCTSGCT Semiconductor Holding, Inc. · Stock Option (Right to Buy)A Award	Director, President, CEO & Class III Dir	AAward	+35.7K sh	—	—	35,669
2024-03-26	GCTSGCT Semiconductor Holding, Inc. · Stock Option (Right to Buy)A Award	Director, President, CEO & Class III Dir	AAward	+28.2K sh	—	—	28,191
2024-03-26	GCTSGCT Semiconductor Holding, Inc. · Stock Option (Right to Buy)A Award	Director, President, CEO & Class III Dir	AAward	+21.5K sh	—	—	21,533
2024-03-26	GCTSGCT Semiconductor Holding, Inc. · Stock Option (Right to Buy)A Award	Director, President, CEO & Class III Dir	AAward	+50.4K sh	—	—	50,425
2024-03-26	GCTSGCT Semiconductor Holding, Inc.A Award	Director, President, CEO & Class III Dir	AAward	+78.7K sh	—	—	78,700
2024-03-26	GCTSGCT Semiconductor Holding, Inc.A Award	Director, President, CEO & Class III Dir	AAward	+12.8K sh	—	—	12,804
2024-03-26	GCTSGCT Semiconductor Holding, Inc. · Stock Option (Right to Buy)A Award	Director, President, CEO & Class III Dir	AAward	+35.7K sh	—	—	35,669
2024-03-26	GCTSGCT Semiconductor Holding, Inc. · Stock Option (Right to Buy)A Award	Director, President, CEO & Class III Dir	AAward	+28.2K sh	—	—	28,191
2024-03-26	GCTSGCT Semiconductor Holding, Inc. · Stock Option (Right to Buy)A Award	Director, President, CEO & Class III Dir	AAward	+21.5K sh	—	—	21,533
2024-03-26	GCTSGCT Semiconductor Holding, Inc. · Stock Option (Right to Buy)A Award	Director, President, CEO & Class III Dir	AAward	+50.4K sh	—	—	50,425

Recent filings

6

Accepted (ET)
Sep 144
Schlaefer John0000929638-26-003525
SEC(opens sec.gov)
Sep 304
Schlaefer John0000929638-25-003689
SEC(opens sec.gov)
Sep 234
Schlaefer John0000929638-25-003562
SEC(opens sec.gov)
Feb 274/A
Schlaefer John0000929638-25-000894
SEC(opens sec.gov)
Feb 214
Schlaefer John0000929638-25-000841
SEC(opens sec.gov)
Mar 274
Schlaefer John0000929638-24-001255
SEC(opens sec.gov)

Companies

1

GCT Semiconductor Holding, Inc.Director, President, CEO & Class III DirGCTS

Address

C/O GCT SEMICONDUCTOR HOLDING, INC. 2290 NORTH 1ST STREET, SUITE 201

SAN JOSE, CA, 95131