Ming Yan
CIK 1874041 · CHIEF TECHNOLOGY OFFICER · last filed 2026-05-20
"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.
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Disclosed Exposure
$19.50M
Companies
1
Total Filings
50
Lifetime Open-Market Net
-$5.38M
Holdings By Company
Latest on-record share count from this person's most recent non-derivative Form 4 transaction in each company. Disclosed exposure = shares × current underlying price.
| Symbol | Role | Shares | Price | Disclosed Exposure | Lifetime OM Net | Filings | Latest Filed |
|---|---|---|---|---|---|---|---|
| CTKB | CHIEF TECHNOLOGY OFFICER | 4,925,464 | $3.96 | $19.50M | -$5.38M | 50 | 2026-05-20 |
Recent Filings · Page 2 of 5
50 filingsForm 4 transactions across all companies, newest first.
| Filed | Symbol | Action | Net Shares | Net $ | Link |
|---|---|---|---|---|---|
| 2024-11-20 | CTKB | Mixed | +11,247 | -$21.8K | EDGAR |
| 2024-08-21 | CTKB | Mixed | +11,138 | -$20.6K | EDGAR |
| 2024-05-22 | CTKB | Mixed | +7,435 | -$18.7K | EDGAR |
| 2024-04-23 | CTKB | Sell (S) | −20,000 | -$117.4K | EDGAR |
| 2024-04-11 | CTKB | Sell (S) | −1,900 | -$13.3K | EDGAR |
| 2024-03-19 | CTKB | Sell (S) | −40,000 | -$269.6K | EDGAR |
| 2024-03-13 | CTKB | Mixed | +6,906 | -$21.0K | EDGAR |
| 2024-03-08 | CTKB | Grant (A) | — | $0 | EDGAR |
| 2024-02-22 | CTKB | Mixed | +1,393 | -$4.9K | EDGAR |
| 2023-12-21 | CTKB | Sell (S) | −20,000 | -$188.6K | EDGAR |
Codes: P = open-market purchase · S = open-market sale · A = grant/award · M = option exercise · F = tax withholding at vest · G = bona-fide gift · D = disposition to issuer · J = other (see filing footnote). Only P / S codes carry directional signal.