Gibson Kourtney (CIK 1818810) reported 3 SEC Form 4 insider transactions across 2 companies over the past 18 months (most recent 2026-06-12). Recent activity: Buy MKTX (1,390 shares), Buy FIS (2,652 shares), Buy MKTX (784 shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-06-12 | MARKETAXESS HOLDINGS INC (MKTX) | Director | Buy | 1,390 | $0 |
| 2025-06-16 | Fidelity National Information Services, Inc. (FIS) | Director | Buy | 2,652 | $0 |
| 2025-06-05 | MARKETAXESS HOLDINGS INC (MKTX) | Director | Buy | 784 | $0 |
Source: SEC Form 4 filings · as of 2026-06-12