Schlaefer John — SEC Form 4 filings
SEC reporting owner CIK 1542775. 6 Form 4 filings on record with FilingPulse; latest filed 2026-09-14.
Transaction summary — filings shown
Covers all 6 filings on record, filed 2024-03-27 to 2026-09-14. Counts and totals are arithmetic on values as filed — descriptive data, not a recommendation.
- Open-market purchases (code P, non-derivative): none reported.
- Open-market sales (code S, non-derivative): none reported.
- Other reported legs (grants, option exercises, tax withholding, gifts, derivative-security transactions, …): 17.
By issuer — same filings
Open-market purchase/sale legs on non-derivative securities, grouped by issuer. Role is as filed on the newest filing for that issuer. Dollar totals cover priced legs only (shares × price as filed). Ordered by priced transaction value, largest first.
| Issuer | Role (as filed) | Filings | Purchases (P) | Sales (S) | Other legs |
|---|---|---|---|---|---|
| GCT Semiconductor Holding, Inc. (GCTS) | President, CEO & Class III Dir, Director | 6 | — | — | 17 |
Form 4 filings — Schlaefer John
| Filed | Form | Issuer | Reported transactions | Source |
|---|---|---|---|---|
| 2026-09-14 | 4 | GCT Semiconductor Holding, Inc. (GCTS) | Grant/award (A): 150,000 @ $0 | EDGAR |
| 2025-09-30 | 4 | GCT Semiconductor Holding, Inc. (GCTS) | Other (J): 555 @ $0 | EDGAR |
| 2025-09-23 | 4 | GCT Semiconductor Holding, Inc. (GCTS) | Grant/award (A): 75,000 @ $0 | EDGAR |
| 2025-02-27 | 4/A | GCT Semiconductor Holding, Inc. (GCTS) | Grant/award (A): 78,700 @ $0 · Grant/award (A): 12,804 @ $0 · Grant/award (A): 35,669 (derivative) @ $0 · Grant/award (A): 28,191 (derivative) @ $0 · Grant/award (A): 21,533 (derivative) @ $0 · Grant/award (A): 50,425 (derivative) @ $0 | EDGAR |
| 2025-02-21 | 4 | GCT Semiconductor Holding, Inc. (GCTS) | Option exercise (M): 35,669 @ $0.11 · Option exercise (M): 35,669 (derivative) @ $0 | EDGAR |
| 2024-03-27 | 4 | Concord Acquisition Corp III (GCTS) | Grant/award (A): 78,700 @ $0 · Grant/award (A): 12,804 @ $0 · Grant/award (A): 35,669 (derivative) @ $0 · Grant/award (A): 28,191 (derivative) @ $0 · Grant/award (A): 21,533 (derivative) @ $0 · Grant/award (A): 50,425 (derivative) @ $0 | EDGAR |
FilingPulse's Form 4 archive currently extends back to 2024-01-11 and is expanding backward through EDGAR history — earlier filings by this insider may not be indexed yet. Names and roles are shown as filed.
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