Comparable stake leader
Karl Kan Zhang
SEC ownership of CooTek(Cayman)Inc.
Top holders, 13D/G large-stake signals, insider positions, and transaction flow tied to CIK 0001734262.
Disclosed value leader
—
Comparable rows
0/2
Latest evidence
19 May 2026
- Parsed ownership sources
-
3/4/5
Source: Parsed SEC ownership filingsUse: Compare filing families carefully
- Largest SEC-reported holder
-
Karl Kan Zhang
Ranking: Comparable ownership first, then disclosed value
- Latest parsed ownership date
-
19 May 2026
Freshness: Most recent filing date in this holder set
- Issuer CIK
- 0001734262
- Issuer location
- Shanghai
Ownership snapshot
CIK-linked ownership evidence from parsed SEC filings.
1 signal
Issuer
Names, identifiers, and filing context for this profile.
2 identity fields
Ownership snapshot
Top shareholders of CooTek(Cayman)Inc. (13F + 13D/G + 3/4/5)
Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.
Comparable stake leader
Karl Kan Zhang
Disclosed value leader
—
Comparable rows
0/2
Latest evidence
19 May 2026
3/4/5
Some rows are evidence-backed but not safely comparable across classes.
2 rows are not safely comparable across share classes.
Quick read
SEC ownership evidence is available, but the rows are not safely comparable across share classes.
0 of 2 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.
Open SEC evidence
Opens Karl Kan Zhang's linked filing trail.
Detailed SEC evidence table Showing 1-2 of 2 holder rows
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| Karl Kan Zhang |
3/4/5
CTO and Acting CFO, Director
|
—
mixed-class rows
|
—
797,010,924 shares
mixed-class rows
|
— | 19 May 2026 |
| Susan Qiaoling Li |
3/4/5
CEO and President, Director
|
—
class O/S missing
|
—
215,624,465 shares
|
— | 13 Mar 2026 |
How to read this table
Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
Forms 3/4/5 flow
Insider trading overview
Insider buy and sell flow is broadly balanced over the last 12 months. No Buy or Sell transactions have been reported since 03 Aug 2025.
Buys
$0
Insiders: 0
Sells
$0
Insiders: 0
Net
$0
Shares: 0
Window
Last 12 months
4 rolling buckets
Buy value
Sell value
Shares: 0
Shares: 0
| Window (months) | Buy shares | Sell shares | Buy value | Sell value | Net value |
|---|---|---|---|---|---|
| 0-3 | 0 | 0 | $0 | $0 | $0 |
| 3-6 | 0 | 0 | $0 | $0 | $0 |
| 6-9 | 0 | 0 | $0 | $0 | $0 |
| 9-12 | 0 | 0 | $0 | $0 | $0 |
Reporting owners
Insider holders from Forms 3/4/5
Showing 1-3 of 3 reporting-owner rows connected to CooTek(Cayman)Inc.. Open a relationship link for the CIK-to-CIK filing trail.
Rows
3
Largest Forms 3/4/5 holder
Susan Qiaoling Li
Net 12M change
$0
Latest report
19 May 2026
| Name | Relationship | Holdings Value | Past Year Net Change | Change % | Valuation | Report Date |
|---|---|---|---|---|---|---|
| Susan Qiaoling Li | CEO and President, Director | Mixed | 13 Mar 2026 | |||
| Karl Kan Zhang | CTO and Acting CFO, Director | Mixed | 19 May 2026 | |||
| Ye Yuan | Director | Mixed | 18 Mar 2026 |
Recent insider transactions for CooTek(Cayman)Inc.
Showing up to 300 recent insider transactions from the last 12 months.
| Insider | Symbol | Class | Transaction | % | SEC-reported value | SEC-reported price | Shares | Shares owned | Date | Ownership |
|---|---|---|---|---|---|---|---|---|---|---|
| Karl Kan Zhang | Class A ordinary shares | Purchase | 540,786,459 | 540,786,459 | 19 May 2026 | Direct |
* marks a reported price that did not pass the local price check.