Cha Myoungil (CIK 1934068) reported 3 SEC Form 4 insider transactions across 1 companies over the past 18 months (most recent 2026-05-22). Recent activity: Buy TNDM (8,759 shares), Buy TNDM (1,749 shares), Buy TNDM (4,387 shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-05-22 | TANDEM DIABETES CARE INC (TNDM) | Director | Buy | 8,759 | $0 |
| 2025-06-18 | TANDEM DIABETES CARE INC (TNDM) | Director | Buy | 1,749 | $0 |
| 2025-05-23 | TANDEM DIABETES CARE INC (TNDM) | Director | Buy | 4,387 | $90,548 |
Source: SEC Form 4 filings · as of 2026-05-22