Sigmund L. Cornelius
Director · Phillips 66
- 2025
- Jan 20, 2026
- 2
Other insiders active in the same stocks
Insiders who reported open-market trades in the last 12 months at the companies Sigmund L. Cornelius 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 - $27.79M in PSX purchases and sales in the last 12 months
- Kevin J. Mitchell - $17.96M in PSX purchases and sales in the last 12 months
- Richard G. Harbison - $11.66M in PSX purchases and sales in the last 12 months
- Ann M. Kluppel - $1.65M in PSX purchases and sales in the last 12 months
- Vanessa Allen Sutherland - $1.52M in PSX purchases and sales in the last 12 months
- Don Baldridge - $1.20M in PSX purchases and sales in the last 12 months
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Frequently asked questions
Who is Sigmund L. Cornelius?
Sigmund L. Cornelius is a corporate insider, tracked as Director of Phillips 66 (PSX). InsiderAlpha holds 2 primary Form 4 filings for them, the earliest from 2025, updated as new SEC EDGAR filings are processed.
When did Sigmund L. Cornelius last file a Form 4?
The most recent primary Form 4 on record is dated 20 January 2026, one of 2 filings going back to 2025.
Has Sigmund L. Cornelius been buying or selling stock?
Recorded transactions: 1 open-market purchase ($62K) and 0 open-market sales across all tracked filings.
