Smither John W (CIK 1559583) reported 5 SEC Form 4 insider transactions across 3 companies over the past 18 months (most recent 2026-08-04). Recent activity: Buy MBX (28,000 shares), Sell GNLX (12,000 shares), Buy GNLX (28,409 shares), Buy NAMS (3,400 shares), Buy GNLX (22,283 shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-08-04 | MBX Biosciences, Inc. (MBX) | Chief Financial Officer | Buy | 28,000 | $0 |
| 2026-07-02 | GENELUX Corp (GNLX) | Director | Sell | 12,000 | $34,898 |
| 2026-06-18 | GENELUX Corp (GNLX) | Director | Buy | 28,409 | $0 |
| 2026-01-09 | NewAmsterdam Pharma Co N.V. (NAMS) | Director | Buy | 3,400 | $0 |
| 2025-08-29 | GENELUX Corp (GNLX) | Director | Buy | 22,283 | $0 |
Source: SEC Form 4 filings · as of 2026-08-04