Kung Calvin (CIK 1977250) reported 1 SEC Form 4 insider transactions across 1 companies over the past 18 months (most recent 2026-05-27). Recent activity: Buy APUR (223,000 shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-05-27 | Aperture AC (APUR) | Chief Executive Officer | Buy | 223,000 | $2.2M |
Source: SEC Form 4 filings · as of 2026-05-27