Insider · SEC Forms 3, 4, 5
CIK 1494730
All transactions
Every Form 4 row this person reported, newest first
Insider · SEC Forms 3, 4, 5
Every Form 4 row this person reported, newest first
Schlaefer John (CIK 1542775) reported 3 SEC Form 4 insider transactions across 1 companies over the past 18 months (most recent 2026-09-14). Recent activity: Buy GCTS (150,000 shares), Buy GCTS (555 shares), Buy GCTS (75,000 shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-09-14 | GCT Semiconductor Holding, Inc. (GCTS) | President, CEO & Class III Dir | Buy | 150,000 | $0 |
| 2025-09-30 | GCT Semiconductor Holding, Inc. (GCTS) | President, CEO & Class III Dir | Buy | 555 | $0 |
| 2025-09-23 | GCT Semiconductor Holding, Inc. (GCTS) | President, CEO & Class III Dir | Buy | 75,000 | $0 |
Source: SEC Form 4 filings · as of 2026-09-14