Zhang Shuo (CIK 1805694) reported 3 SEC Form 4 insider transactions across 1 companies over the past 18 months (most recent 2025-12-29). Recent activity: Buy GDYN (11,413 shares), Buy GDYN (5,978 shares), Sell GDYN (3,000 shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2025-12-29 | GRID DYNAMICS HOLDINGS, INC. (GDYN) | Director | Buy | 11,413 | $0 |
| 2025-12-29 | GRID DYNAMICS HOLDINGS, INC. (GDYN) | Director | Buy | 5,978 | $0 |
| 2025-12-17 | GRID DYNAMICS HOLDINGS, INC. (GDYN) | Director | Sell | 3,000 | $29,250 |
Source: SEC Form 4 filings · as of 2025-12-29