Summary
Updated Aug 30, 2026
Jeff Tsao is President of AES of ROGERS CORP (ROG). 5 SEC Form 4 filings on record going back to 2024, most recently on 2 March 2026.
Recent Transactions
5Every recent SEC Form 4 transaction Jeff Tsao has reported, most recent first.
Trading Pattern
InsiderAlpha's records for Jeff Tsao 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 Tsao 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.
- Peter C. Wallace - $1.49M of ROG open-market activity in the last 12 months
- Brian Keith Larabee - $179K of ROG open-market activity in the last 12 months
- Michael Reed Webb - $178K of ROG 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 Tsao?
Jeff Tsao is a corporate insider, tracked as President of AES of ROGERS CORP (ROG). InsiderAlpha holds 5 primary Form 4 filings for them, the earliest from 2024, updated as new SEC EDGAR filings are processed.
When did Jeff Tsao last file a Form 4?
The most recent primary Form 4 on record is dated 2 March 2026, one of 5 filings going back to 2024.
Where can I see all of Jeff Tsao'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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