Brian Gephart Biography and Net Worth

CAO of Magnite

As Magnite’s Chief Accounting Officer, Brian Gephart oversees financial reporting, accounting operations and systems for the company. Brian and his team ensure regulatory compliance and practices for the publicly traded company, collaborating with the Chief Financial Officer to develop financial strategies.

Prior to joining Magnite, Brian held several positions at Leaf Group, a consumer internet company, including Chief Accounting Officer, Principal Accounting Officer, and most recently, Chief Financial Officer and Principal Financial Officer. Before that, Brian served as Chief Accounting Officer of JH Capital Group. Brian received his bachelor’s degree in accounting from Hillsdale College and holds an MBA from DePaul University. He is a Certified Public Accountant.

What is Brian Gephart's net worth?: The estimated net worth of Brian Gephart is at least $1.34 million as of September 4th, 2025. Gephart owns 92,898 shares of Magnite stock worth more than $1,335,873 as of December 5th. This net worth approximation does not reflect any other assets that Gephart may own. Learn More about Brian Gephart's net worth.
How old is Brian Gephart?: Gephart is currently 44 years old. There are 7 older executives and no younger executives at Magnite. The oldest executive at Magnite is Mr. David L. Day, Chief Financial Officer, who is 63 years old. Learn More on Brian Gephart's age.
How do I contact Brian Gephart?: The corporate mailing address for Gephart and other Magnite executives is 12181 BLUFF CREEK DRIVE 4TH FLOOR, LOS ANGELES CA, 90094. Magnite can also be reached via phone at (212) 243-2769 and via email at [email protected]. Learn More on Brian Gephart's contact information.
Has Brian Gephart been buying or selling shares of Magnite?: Brian Gephart has not been actively trading shares of Magnite during the last ninety days. Most recently, Brian Gephart sold 27,671 shares of the business's stock in a transaction on Thursday, September 4th. The shares were sold at an average price of $24.71, for a transaction totalling $683,750.41. Following the completion of the sale, the chief accounting officer now directly owns 92,898 shares of the company's stock, valued at $2,295,509.58. Learn More on Brian Gephart's trading history.
Who are Magnite's active insiders?: Magnite's insider roster includes Michael Barrett (President and Chief Executive Officer), Sean Buckley (Insider), David Buonasera (CTO), Paul Caine (Director), David Day (CFO), Katie Evans (COO), Brian Gephart (CAO), Shawna Hughes (CAO), Thomas Kershaw (CTO), Douglas Knopper (Director), Rachel Lam (Director), David Pearson (Director), Joseph Prusz (CRO), James Rossman (Director), Aaron Saltz (General Counsel), Adam Soroca (Insider), Robert Spillane (Director), Lisa Troe (Director), and Diane Yu (Director). Learn More on Magnite's active insiders.
Are insiders buying or selling shares of Magnite?: In the last year, insiders at the sold shares 65 times. They sold a total of 1,587,148 shares worth more than $32,381,578.67. The most recent insider tranaction occured on November, 21st when Director Robert F Spillane sold 12,500 shares worth more than $177,750.00. Insiders at Magnite own 3.8% of the company. Learn More about insider trades at Magnite.
Information on this page was last updated on 11/21/2025.

Brian Gephart Insider Trading History at Magnite

Transaction Date	Buy/Sell	Number of Shares	Average Share Price	Total Transaction	Shares Held After Transaction
9/4/2025	Sell	27,671	$24.71	$683,750.41	92,898
8/18/2025	Sell	2,961	$23.85	$70,619.85	120,569
5/12/2025	Sell	6,334	$16.16	$102,357.44	126,575
3/3/2025	Sell	6,250	$16.00	$100,000.00	132,909
11/18/2024	Sell	2,156	$15.60	$33,633.60	112,795
11/11/2024	Sell	2,156	$15.00	$32,340.00	116,982
7/15/2024	Sell	16,166	$15.00	$242,490.00	121,169
5/16/2023	Sell	1,237	$10.88	$13,458.56	96,563

Brian Gephart Buying and Selling Activity at Magnite

Magnite Company Overview

Magnite, Inc., together with its subsidiaries, operates an independent omni-channel sell-side advertising platform in the United States and internationally. The company's platform offers applications and services for sellers of digital advertising inventory or publishers that own and operate CTV channels, applications, websites, and other digital media properties to manage and monetize their inventory; and applications and services for buyers, including advertisers, agencies, agency trading desks, and demand side platforms to buy digital advertising inventory, as well as an independent marketplace that connects buyers and sellers. It markets its solutions through sales teams that operate from various locations. The company was formerly known as The Rubicon Project, Inc. and changed name to Magnite, Inc. in July 2020. Magnite, Inc. was incorporated in 2007 and is headquartered in New York, New York.

Today's Range

Now: $14.38

$14.10

$14.49

50 Day Range

MA: $17.06

$13.13

$22.28

2 Week Range

Now: $14.38

$8.22

$26.65

Volume

1,426,043 shs

Average Volume

2,919,794 shs

Market Capitalization

$2.07 billion

P/E Ratio

37.84

Dividend Yield

N/A

Beta

2.49

Brian Gephart Biography and Net Worth

What is Brian Gephart's net worth?

How old is Brian Gephart?

How do I contact Brian Gephart?

Has Brian Gephart been buying or selling shares of Magnite?

Who are Magnite's active insiders?

Are insiders buying or selling shares of Magnite?