Yu Chen-Ming (CIK 1517933) reported 3 SEC Form 4 insider transactions across 2 companies over the past 18 months (most recent 2026-08-06). Recent activity: Buy TCGX (436,250 shares), Sell SRZN (162,500 shares), Sell SRZN (162,500 shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-08-06 | TCGX Acquisition Corp. (TCGX) | Chief Executive Officer | Buy | 436,250 | $4.4M |
| 2026-07-24 | Surrozen, Inc./DE (SRZN) | 10% Owner | Sell | 162,500 | $3.5M |
| 2026-07-24 | Surrozen, Inc./DE (SRZN) | 10% Owner | Sell | 162,500 | $3.5M |
Source: SEC Form 4 filings · as of 2026-08-06