Summary
Updated Aug 31, 2026
Jeff Ji Zhu is Executive Vice President of CABOT CORP (CBT). 5 SEC Form 4 filings on record going back to 2024, most recently on 21 November 2025. Most recent open-market trade: sold $1.65M of CBT on 14 November 2024. Lifetime open-market sales: $1.65M.
Recent Transactions
9Every recent SEC Form 4 transaction Jeff Ji Zhu has reported, most recent first.
Trading Pattern
InsiderAlpha's records for Jeff Ji Zhu go back to 2024: 5 primary Form 4 filings, an average of 1.7 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.
Other Insiders Active in the Same Stocks
Insiders who reported open-market trades in the last 12 months at the companies Jeff Ji Zhu files at. Multiple unrelated insiders buying the same stock within a short window, cluster buying, has historically been one of the strongest Form 4 signals.
- Sean D. Keohane - $8.18M of CBT open-market activity in the last 12 months
More Notable Insiders
Other corporate insiders with significant SEC Form 4 track records on InsiderAlpha:
Frequently Asked Questions
Who is Jeff Ji Zhu?
Jeff Ji Zhu is a corporate insider, tracked as Executive Vice President of CABOT CORP (CBT). InsiderAlpha holds 5 primary Form 4 filings for them, the earliest from 2024, updated as new SEC EDGAR filings are processed.
When did Jeff Ji Zhu last file a Form 4?
The most recent primary Form 4 on record is dated 21 November 2025, one of 5 filings going back to 2024.
Has Jeff Ji Zhu been buying or selling stock?
Recorded transactions: 0 open-market purchases and 1 open-market sale ($1.65M) across all tracked filings.
Where can I see all of Jeff Ji Zhu'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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