GCT Semiconductor Holding, Inc.
GCTSReported to SECin USCIK 0001851961Filings at SEC EDGAR
GCTS is one of 2 listed share classes under this CIK; the filings below cover all of them.
No score on this page, by design. Everything here is a fact from a public U.S. register: insider filings at the SEC (Form 4), lobbying filings under the Lobbying Disclosure Act, trades reported by members of Congress under the STOCK Act, and fund holdings in 13F filings. Our scores, percentiles and signals run on the Dutch register only, because that is the only register the model has been validated on.
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The most recent filings
Most recent filing first: every line of every Form 4 at this company that passed our review, the same lines as on the register. Reported is the day the filing reached the SEC, usually within two business days of the trade. Amounts are in U.S. dollars, as the form states them.
| Filed by | Type | Value | Reported | Filed by | Value | Type | Shares | Reported |
|---|---|---|---|---|---|---|---|---|
| Sum AlexSr. VP of Sales and Marketing | Award | nothing paid75,000 shares | Sep 14, 2026 | Sum AlexSr. VP of Sales and Marketing | nothing paid | Award | 75,000 | Sep 14, 2026 |
| Schlaefer JohnPresident, CEO & Class III Dir | Award | nothing paid150,000 shares | Sep 14, 2026 | Schlaefer JohnPresident, CEO & Class III Dir | nothing paid | Award | 150,000 | Sep 14, 2026 |
| Kim Jeong-MinChief Technology Officer | Award | nothing paid100,000 shares | Sep 14, 2026 | Kim Jeong-MinChief Technology Officer | nothing paid | Award | 100,000 | Sep 14, 2026 |
| Cheng EdmondChief Financial Officer | Award | nothing paid145,000 shares | Sep 14, 2026 | Cheng EdmondChief Financial Officer | nothing paid | Award | 145,000 | Sep 14, 2026 |
| TUDER JEFFREY— | Award | nothing paid9,259 shares | Jul 7, 2026 | TUDER JEFFREY | nothing paid | Award | 9,259 | Jul 7, 2026 |