Frank Muller Biography and Net Worth

Director of California BanCorp


Mr. Muller is the owner of M Three Ranches, LLC in Woodland, California, a farming and farming consulting business, since January 2020. He was previously the co-owner, President and Chief Financial Officer of Muller Ranch, LLC, a farming and farming consulting business, from 1979 to December 2019. Mr. Muller has served on the board of directors for Pacific Coast Producer, an agricultural canning and packaging cooperative, since 1990, including as chairman for the past 15 years. He previously served on the board of directors for the California Department of Food and Agriculture during 2018 and 2019 and, previously, the board of directors of the Federal Crop Insurance Corporation. Mr. Muller’s familiarity with the Northern Central Valley region of California and the agricultural industry bring valuable insights to our Board.

Frank Muller was a member of the board of California Bank of Commerce and California BanCorp (Nasdaq: CALB) since 2020 and until the merger with Bank of Southern California and Southern California Bancorp in 2024.

He is an active community volunteer with the Yolo County 4-H and Yolo Arts.

Mr. Muller has a Bachelor of Science in Agriculture and Managerial Economics from U.C. Davis.

What is Frank L. Muller's net worth?

The estimated net worth of Frank L. Muller is at least $51.87 thousand as of September 4th, 2026. Mr. Muller owns 2,377 shares of California BanCorp stock worth more than $51,866 as of September 11th. This net worth evaluation does not reflect any other assets that Mr. Muller may own. Learn More about Frank L. Muller's net worth.

How do I contact Frank L. Muller?

The corporate mailing address for Mr. Muller and other California BanCorp executives is , , . California BanCorp can also be reached via phone at (858) 847-4780 and via email at [email protected]. Learn More on Frank L. Muller's contact information.

Has Frank L. Muller been buying or selling shares of California BanCorp?

During the past quarter, Frank L. Muller has bought $9,958.50 in shares of California BanCorp stock. Most recently, on Friday, September 4th, Frank L. Muller bought 450 shares of California BanCorp stock. The stock was acquired at an average cost of $22.13 per share, with a total value of $9,958.50. Following the completion of the transaction, the director now directly owns 2,377 shares of the company's stock, valued at $52,603.01. Learn More on Frank L. Muller's trading history.

Who are California BanCorp's active insiders?

California BanCorp's insider roster includes Jean Carandang (CFO), Richard Hernandez (President), Lester Machado (Director), and Frank Muller (Director). Learn More on California BanCorp's active insiders.

Are insiders buying or selling shares of California BanCorp?

In the last year, California BanCorp insiders bought shares 2 times. They purchased a total of 27,450 shares worth more than $513,238.50. In the last year, insiders at the sold shares 4 times. They sold a total of 2,378,604 shares worth more than $45,085,835.80. The most recent insider tranaction occured on September, 4th when Director Frank L. Muller bought 450 shares worth more than $9,958.50. Insiders at California BanCorp own 8.1% of the company. Learn More about insider trades at California BanCorp.

Information on this page was last updated on 9/4/2026.

Frank L. Muller Insider Trading History at California BanCorp

Transaction DateBuy/SellNumber of SharesAverage Share PriceTotal TransactionShares Held After TransactionDetails
9/4/2026Buy450$22.13$9,958.502,377View SEC Filing Icon  
See Full Table

Frank L. Muller Buying and Selling Activity at California BanCorp

This chart shows Frank L. Muller's buying and selling at California BanCorp by year and by quarter.

Skip ChartChart Data in Insider Trading History Table

California BanCorp Company Overview

California BanCorp logo
Southern California Bancorp operates as the holding company for Bank of Southern California, N.A. that provides various financial products to individuals, professionals, and small-to medium-sized businesses. The company offers checking, personal and business savings, and money market accounts, as well as certificates of deposit. It also provides home equity lines of credit, business loans and lines of credit, commercial real estate and construction loans, small business administration loans, letters of credit, and personal and business credit cards. In addition, the company provides cash vault, sweep accounts, and remote deposit capture services; online and mobile banking services; courier service; lockbox services; and merchant services. It operates branches in San Diego, Orange, Ventura, Los Angeles, and Riverside counties, as well as the Inland Empire. The company was founded in 2001 and is headquartered in San Diego, California.
Read More

Today's Range

Now: $21.82
Low: $21.37
High: $21.84

50 Day Range

MA: $21.28
Low: $20.27
High: $21.90

2 Week Range

Now: $21.82
Low: $15.85
High: $22.00

Volume

344,622 shs

Average Volume

145,227 shs

Market Capitalization

$701.51 million

P/E Ratio

11.86

Dividend Yield

1.86%

Beta

0.92