Wenbin Jiang
CIK 1872873 · PRESIDENT AND CEO · last filed 2026-05-20
Wenbin Jiang is a PRESIDENT AND CEO who has filed 49 SEC Form 4 insider transactions across 1 company since 2021. The most recent filing, for CTKB, was dated May 20, 2026. Across all open-market trades the lifetime net is −$4.7M, making them a net seller over the disclosed history. Current disclosed insider exposure totals $32.1M across reported positions.
"Disclosed insider exposure" sums this person's most-recently-reported share counts across each company they're an insider in, multiplied by the current underlying price. It is not net worth — it misses retail holdings, private investments, real estate, index funds, and any company where the person isn't an SEC-reporting insider. For informational purposes only.
$32.12M
1
49
-$4.67M
Holdings By Company
| Symbol | Role | Shares | Price | Disclosed Exposure | Lifetime OM Net | Filings | Latest Filed |
|---|---|---|---|---|---|---|---|
| CTKB | PRESIDENT AND CEO | 8,109,957 | $3.96 | $32.12M | -$4.67M | 49 | 2026-05-20 |
Recent Filings
49 filings| Filed | Symbol | Action | Net Shares | Net $ | Link |
|---|---|---|---|---|---|
| 2026-05-20 | CTKB | Mixed | +54,520 | -$90.7K | EDGAR |
| 2026-03-12 | CTKB | Mixed | +62,856 | -$88.8K | EDGAR |
| 2026-02-20 | CTKB | Mixed | +3,175 | -$5.6K | EDGAR |
| 2025-11-20 | CTKB | Mixed | +42,235 | -$151.6K | EDGAR |
| 2025-08-20 | CTKB | Mixed | +52,682 | -$68.9K | EDGAR |
| 2025-05-21 | CTKB | Mixed | +36,824 | -$31.9K | EDGAR |
| 2025-03-12 | CTKB | Mixed | +32,519 | -$55.2K | EDGAR |
| 2025-03-06 | CTKB | Grant (A) | — | $0 | EDGAR |
| 2025-02-20 | CTKB | Mixed | +4,754 | -$10.6K | EDGAR |
| 2024-11-20 | CTKB | Mixed | +30,742 | -$59.7K | EDGAR |