Summary
Updated Aug 31, 2026
Zhenzhu Lin is Director, 10% Owner of Hongchang International Co., Ltd (HCIL). 1 SEC Form 4 filing on record, dated 29 June 2026. Most recent open-market trade: sold $1K of HCIL on 29 June 2026. Lifetime open-market sales: $2K.
Recent Transactions
3Every recent SEC Form 4 transaction Zhenzhu Lin has reported, most recent first.
Trading Pattern
InsiderAlpha's records for Zhenzhu Lin go back to 2026: 1 primary Form 4 filing, an average of 1.0 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.
Most Active Insiders Right Now
Zhenzhu Lin has no co-filers on record, so these are insiders with the largest open-market activity across the market in the last 90 days.
- BAKER BROS. ADVISORS LP - $317.75M of CELC open-market activity in the last 90 days
- Fairmount Funds Management LLC - $300.01M of ORKA open-market activity in the last 90 days
- Martine A. Rothblatt - $298.98M of UTHR open-market activity in the last 90 days
- Frank Slootman - $294.67M of SNOW open-market activity in the last 90 days
- Chitung Liu - $294.29M of UMC open-market activity in the last 90 days
- Peter Beck - $286.41M of RKLB open-market activity in the last 90 days
More Notable Insiders
Other corporate insiders with significant SEC Form 4 track records on InsiderAlpha:
Frequently Asked Questions
Who is Zhenzhu Lin?
Zhenzhu Lin is a corporate insider, tracked as Director, 10% Owner of Hongchang International Co., Ltd (HCIL). InsiderAlpha holds 1 primary Form 4 filing for them, the earliest from 2026, updated as new SEC EDGAR filings are processed.
How many SEC Form 4 filings has Zhenzhu Lin submitted recently?
1 primary Form 4 filing in the last 90 days, covering 1 company.
Has Zhenzhu Lin been buying or selling stock?
Recorded transactions: 0 open-market purchases and 3 open-market sales ($2K) across all tracked filings.
Where can I see all of Zhenzhu Lin'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.
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