Summary
Updated Aug 31, 2026
Douglas T. Terreson is Director of Phillips 66 (PSX). 1 SEC Form 4 filing on record, dated 20 January 2026.
Recent Transactions
1Every recent SEC Form 4 transaction Douglas T. Terreson has reported, most recent first.
Trading Pattern
InsiderAlpha's records for Douglas T. Terreson 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.
Other Insiders Active in the Same Stocks
Insiders who reported open-market trades in the last 12 months at the companies Douglas T. Terreson 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.
- Brian Mandell - $21.59M of PSX open-market activity in the last 12 months
- Kevin J. Mitchell - $17.96M of PSX open-market activity in the last 12 months
- Richard G. Harbison - $11.66M of PSX open-market activity in the last 12 months
- Vanessa Allen Sutherland - $2.73M of PSX open-market activity in the last 12 months
- Ann M. Kluppel - $1.65M of PSX open-market activity in the last 12 months
- Don Baldridge - $1.20M of PSX 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 Douglas T. Terreson?
Douglas T. Terreson is a corporate insider, tracked as Director of Phillips 66 (PSX). InsiderAlpha holds 1 primary Form 4 filing for them, the earliest from 2026, updated as new SEC EDGAR filings are processed.
When did Douglas T. Terreson last file a Form 4?
The only primary Form 4 on record is dated 20 January 2026.
Where can I see all of Douglas T. Terreson'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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