Sigmund L. Cornelius net worth and biography

Sigmund Cornelius Biography and Net Worth

Director of Phillips 66

Sigmund L. Cornelius is a member of the board of directors of Phillips 66. He serves on the audit and finance and public policy and sustainability committees.

Cornelius brings over 45 years of leadership in the energy business to the Board, including his service as President of Freeport LNG Development L.P. from 2014 to 2023, and in numerous positions at ConocoPhillips (formerly Conoco Inc.) from 1980 to 2010. He began his career in the Natural Gas and Gas Processing organization of Conoco Inc. and from there held a variety of senior leadership positions in Midstream, Upstream, and Corporate organizations, retiring as Senior Vice President and Chief Financial Officer. He has served on the board of multiple public and private companies, including Parex Resources, the Electric Reliability Counsel of Texas, Inc. ("ERCOT"), Western Refining Inc., NiSource Inc., Andeavor Logistics LP, DCP Midstream LP, Parallel Energy Trust, United States Enrichment Corporation ("USEC"), Carbo Ceramics Inc. ("CARBO"), Columbia Pipeline Group Inc., and Chevron Phillips Chemical Company LLC.

Cornelius holds a bachelor's degree from Iowa State University and earned masters of science degrees from Purdue University and Stanford University.

What is Sigmund L. Cornelius' net worth?: The estimated net worth of Sigmund L. Cornelius is at least $3.00 million as of July 31st, 2025. Mr. Cornelius owns 21,543 shares of Phillips 66 stock worth more than $3,004,538 as of December 4th. This net worth evaluation does not reflect any other investments that Mr. Cornelius may own. Learn More about Sigmund L. Cornelius' net worth.
How do I contact Sigmund L. Cornelius?: The corporate mailing address for Mr. Cornelius and other Phillips 66 executives is 2331 CITYWEST BOULEVARD, HOUSTON TX, 77042. Phillips 66 can also be reached via phone at (281) 293-6600 and via email at [email protected]. Learn More on Sigmund L. Cornelius' contact information.
Has Sigmund L. Cornelius been buying or selling shares of Phillips 66?: Sigmund L. Cornelius has not been actively trading shares of Phillips 66 within the last three months. Most recently, on Thursday, July 31st, Sigmund L. Cornelius bought 500 shares of Phillips 66 stock. The stock was acquired at an average cost of $123.55 per share, with a total value of $61,775.00. Following the completion of the transaction, the director now directly owns 21,543 shares of the company's stock, valued at $2,661,637.65. Learn More on Sigmund L. Cornelius' trading history.
Who are Phillips 66's active insiders?: Phillips 66's insider roster includes Gary Adams (Director), Sigmund Cornelius (Director), Greg Garland (CEO), Zhanna Golodryga (EVP), Richard Harbison (EVP), Gregory Hayes (Director), Robert Herman (EVP), Paula Johnson (VP), Mark Lashier (Pres), John Lowe (Director), Brian Mandell (EVP), Kevin Mitchell (CFO), Kevin Mitchell (Exec. VP of Fin. & CFO ), Robert Pease (Director), Joseph Pruitt (VP), Timothy Roberts (EVP), Vanessa Sutherland (EVP), and Timothy Taylor (President). Learn More on Phillips 66's active insiders.
Are insiders buying or selling shares of Phillips 66?: In the last twelve months, Phillips 66 insiders bought shares 4 times. They purchased a total of 10,289 shares worth more than $1,238,890.15. In the last twelve months, insiders at the oil and gas company sold shares 7 times. They sold a total of 104,679 shares worth more than $14,322,401.00. The most recent insider tranaction occured on December, 1st when EVP Brian Mandell sold 25,500 shares worth more than $3,571,020.00. Insiders at Phillips 66 own 0.2% of the company. Learn More about insider trades at Phillips 66.
Information on this page was last updated on 12/1/2025.

Sigmund L. Cornelius Insider Trading History at Phillips 66

Transaction Date	Buy/Sell	Number of Shares	Average Share Price	Total Transaction	Shares Held After Transaction	Details
7/31/2025	Buy	500	$123.55	$61,775.00	21,543

Sigmund L. Cornelius Buying and Selling Activity at Phillips 66

Phillips 66 Company Overview

Phillips 66 operates as an energy manufacturing and logistics company in the United States, the United Kingdom, Germany, and internationally. It operates through four segments: Midstream, Chemicals, Refining, and Marketing and Specialties (M&S). The Midstream segment transports crude oil and other feedstocks; delivers refined petroleum products to market; provides terminaling and storage services for crude oil and refined petroleum products; transports, stores, fractionates, exports, and markets natural gas liquids; provides other fee-based processing services; and gathers, processes, transports, and markets natural gas. The Chemicals segment produces and markets ethylene and other olefin products; aromatics and styrenics products, such as benzene, cyclohexane, styrene, and polystyrene; and various specialty chemical products, including organosulfur chemicals, solvents, catalysts, and chemicals used in drilling and mining. The Refining segment refines crude oil and other feedstocks into petroleum products, such as gasolines, distillates, aviation, and renewable. The M&S segment purchases for resale and markets refined petroleum products, including gasolines, distillates, and aviation fuels. This segment also manufactures and markets specialty products, such as base oils and lubricants. Phillips 66 was founded in 1875 and is headquartered in Houston, Texas.

Today's Range

Now: $139.47

$137.17

$140.58

50 Day Range

MA: $135.05

$127.01

$142.27

2 Week Range

Now: $139.47

$91.01

$143.25

Volume

2,179,012 shs

Average Volume

2,063,577 shs

Market Capitalization

$56.19 billion

P/E Ratio

38.11

Dividend Yield

3.43%

Beta

0.92