Wing Keong Siew - SEC Form 4 Insider Trading Activity
Summary
Updated Aug 4, 2026
Wing Keong Siew has filed 2 SEC Form 4 filings across 1 company in the last 90 days - selling. Lifetime open-market sales: $682K.
Profile
Wing Keong Siew serves as Director of JinkoSolar Holding Co., Ltd. (JKS). Siew has reported 2 insider filings with the SEC since 2026. The most recent filing was in July 2026.
| Role | Director |
|---|---|
| Notability | 26/100 |
Board memberships
- JinkoSolar Holding Co., Ltd.
Reported roles
- Director
Trading Pattern
InsiderAlpha's records for Wing Keong Siew go back to 2026: 2 primary Form 4 filings, an average of 2.0 per year. No transaction on record carries a Rule 10b5-1 flag - the filings look discretionary rather than pre-scheduled, which makes their timing more informative as a signal.
Career & Filing History
Every role Wing Keong Siew has reported on a Form 4, reconstructed from the filings themselves - reporting insiders must state their relationship to the issuer (officer title, director seat, or 10% ownership) on every filing.
- Director at JinkoSolar Holding Co., Ltd. (JKS) - 2 filings, 2026
Recent Transactions
| Date | Ticker | Company | Code | Shares | Price | Value |
|---|---|---|---|---|---|---|
| 2026-07-02 | JKS | JinkoSolar Holding Co., Ltd. | A - Grant or award | 10.0K | $0.00 | |
| 2026-07-02 | JKS | JinkoSolar Holding Co., Ltd. | S - Open-market sale | 16.0K | $16.49 | $264K |
| 2026-05-15 | JKS | JinkoSolar Holding Co., Ltd. | S - Open-market sale | 16.0K | $26.11 | $418K |
Companies - Last 90 Days
- JinkoSolar Holding Co., Ltd. (JKS) - 2 filings, last 2026-07-02
Other Insiders Active in the Same Stocks
Insiders who reported open-market trades at the companies Wing Keong Siew has recently filed at. Multiple unrelated insiders buying the same stock within a short window - cluster buying - has historically been one of the strongest Form 4 signals.
- Xianhua Li - $32.68M of JKS open-market activity in the last 12 months
- Stephen Markscheid - $100K of JKS open-market activity in the last 12 months
More Notable Insiders
Other corporate insiders with significant SEC Form 4 track records on InsiderAlpha:
- WINMILL CO. INC
- Caroline Young
- Jeffrey Yu
- George Raymond Zage III
- Payam Zamani
- Mahkam Zanganeh
- A.L. Sarroff Fund, LLC
- ABRAMS CAPITAL MANAGEMENT, L.P.
Frequently Asked Questions
Who is Wing Keong Siew?
Wing Keong Siew serves as Director of JinkoSolar Holding Co., Ltd. (JKS). Siew has reported 2 insider filings with the SEC since 2026. The most recent filing was in July 2026.…
How many SEC Form 4 filings has Wing Keong Siew submitted recently?
2 primary Form 4 filings in the last 90 days, covering 1 company.
Has Wing Keong Siew been buying or selling stock?
Recorded transactions: 0 open-market purchases and 2 open-market sales ($682K) across all tracked filings.
Where can I see all of Wing Keong Siew's SEC filings?
All Form 4 filings, transaction values, and 10b5-1 plan flags are listed on this page and updated in real time as new SEC EDGAR filings are processed.
Learn More
Open the live Wing Keong Siew profile on InsiderAlpha for real-time alerts, AI-scored trade ideas, and full transaction history.