Quick Takeaways
- Karl Kan Zhang has 1 issuer position tracked on this page.
- Estimated disclosed ownership value is not available.
- Recent insider filing activity is available below.
- Info
- Insider Ownership
Insider Trading & Ownership of Karl Kan Zhang
- Location
- Shanghai, China
- Signature
- Karl Kan Zhang
- All Insider Reports
- All Insider Reports
Follow Filing Activity
Follow Karl Kan Zhang and return when a new Insider Trading filing appears.
This tracks SEC filing changes for this page using existing product update flows.
What Changed
- Largest disclosed position: CooTek(Cayman)Inc. ().
- Past-year value change for that position: .
Why This Matters
- This page translates Forms 3/4/5 into a quick ownership context before you inspect each transaction row.
- You can cross-check role, issuer, and filing chronology directly against the SEC source.
Official SEC Source
Filed on Form 4
Insider ownership context is sourced from SEC Forms 3, 4, and 5.
See Original FilingOwnership of Karl Kan Zhang
| Symbol | Company | Relationship | Holdings Value | Past Year Net Change | Change % | Report Period |
|---|---|---|---|---|---|---|
| CooTek(Cayman)Inc. | CTO and Acting CFO, Director | 16 Mar 2026 |
Insider Transactions Reported by Karl Kan Zhang:
| Sym | Company | Class | Transaction | % | Value $ | * Price $ | Shares | Shares After | Date | Ownership |
|---|
* An asterisk sign (*) next to the price indicates that the price is likely invalid.