Summary
Updated Aug 31, 2026
Gregory E. Aliff is Director of CALIFORNIA WATER SERVICE GROUP (CWT). 2 SEC Form 4 filings on record, most recently on 6 March 2026.
Recent Transactions
1Every recent SEC Form 4 transaction Gregory E. Aliff has reported, most recent first.
Trading Pattern
InsiderAlpha's records for Gregory E. Aliff 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.
Other Insiders Active in the Same Stocks
Insiders who reported open-market trades in the last 12 months at the companies Gregory E. Aliff 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.
- Jane M. Kenny - $449K of NJR open-market activity in the last 12 months
- Thomas M. Krummel - $347K of CWT open-market activity in the last 12 months
- Roberto Bel - $336K of NJR open-market activity in the last 12 months
- Patrick J. Migliaccio - $334K of NJR open-market activity in the last 12 months
- Richard Reich - $289K of NJR open-market activity in the last 12 months
- Michael S. Mares Jr. - $171K of CWT 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 Gregory E. Aliff?
Gregory E. Aliff is a corporate insider, tracked as Director of CALIFORNIA WATER SERVICE GROUP (CWT). InsiderAlpha holds 2 primary Form 4 filings for them, the earliest from 2026, updated as new SEC EDGAR filings are processed.
When did Gregory E. Aliff last file a Form 4?
The most recent primary Form 4 on record is dated 6 March 2026, one of 2 filings going back to 2026.
Where can I see all of Gregory E. Aliff'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
Follow Gregory E. Aliff and every insider like them
A free account opens the full scored daily plan and every past day, a watchlist for any ticker, and 3 months of price history on every company page. No card.
Free plan available · Paid plans start with a 7-day free trial