Walker Maria C (CIK 1826519) reported 3 SEC Form 4 insider transactions across 2 companies over the past 18 months (most recent 2026-06-25). Recent activity: Buy MPLT (3,932 shares), Buy FIVN (8,972 shares), Buy MPLT (6,294 shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-06-25 | MapLight Therapeutics, Inc. (MPLT) | Director | Buy | 3,932 | $0 |
| 2026-05-22 | Five9, Inc. (FIVN) | Director | Buy | 8,972 | $0 |
| 2025-10-28 | MapLight Therapeutics, Inc. (MPLT) | Director | Buy | 6,294 | $0 |
Source: SEC Form 4 filings · as of 2026-06-25