David Buonasera Biography and Net Worth

CTO of Magnite

As Magnite’s Chief Technology Officer, David Buonasera oversees the company’s global technology organization, platforms, and infrastructure. He joined the company from SpringServe, the video ad serving platform, where he held the position of Chief Technology Officer from its early days through its acquisition by Magnite in 2021.

Prior to SpringServe, David led the Optimization and Analytics team at AppNexus. As one of the company’s first employees, he spearheaded the creation of its data processing systems and optimization algorithms.

Before his career in ad tech, David worked as an engineering and trading analyst at Goldman Sachs and Citi Alternative Investments. He holds a Computer Science and Engineering degree from the University of Pennsylvania.

He and his wife live in New York and have three sons.

What is David Buonasera's net worth?: The estimated net worth of David Buonasera is at least $3.42 million as of September 3rd, 2025. Buonasera owns 238,629 shares of Magnite stock worth more than $3,419,554 as of December 4th. This net worth evaluation does not reflect any other assets that Buonasera may own. Learn More about David Buonasera's net worth.
How old is David Buonasera?: Buonasera is currently 38 years old. There are 6 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 David Buonasera's age.
How do I contact David Buonasera?: The corporate mailing address for Buonasera 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 David Buonasera's contact information.
Has David Buonasera been buying or selling shares of Magnite?: David Buonasera has not been actively trading shares of Magnite in the last ninety days. Most recently, David Buonasera sold 2,950 shares of the business's stock in a transaction on Wednesday, September 3rd. The shares were sold at an average price of $25.37, for a transaction totalling $74,841.50. Following the completion of the sale, the chief technology officer now directly owns 238,629 shares of the company's stock, valued at $6,054,017.73. Learn More on David Buonasera'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 66 times. They sold a total of 1,735,144 shares worth more than $34,974,468.59. 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.

David Buonasera Insider Trading History at Magnite

Transaction Date	Buy/Sell	Number of Shares	Average Share Price	Total Transaction	Shares Held After Transaction
9/3/2025	Sell	2,950	$25.37	$74,841.50	238,629
8/18/2025	Sell	7,834	$23.85	$186,840.90	241,579
5/27/2025	Sell	8,742	$16.00	$139,872.00	258,702
5/23/2025	Sell	3,653	$15.03	$54,904.59	267,444
12/13/2024	Sell	1,969	$16.31	$32,114.39	223,795
11/27/2024	Sell	431	$16.78	$7,232.18	225,764
11/22/2024	Sell	9,219	$17.00	$156,723.00	226,195
11/18/2024	Sell	277	$15.77	$4,368.29	235,414
8/15/2024	Sell	10,000	$12.65	$126,500.00	258,102
9/6/2023	Sell	5,444	$8.58	$46,709.52	207,246
7/3/2023	Sell	6,624	$13.43	$88,960.32	215,338
5/16/2023	Sell	1,559	$10.88	$16,961.92	221,962

David Buonasera 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

David Buonasera Biography and Net Worth

What is David Buonasera's net worth?

How old is David Buonasera?

How do I contact David Buonasera?

Has David Buonasera been buying or selling shares of Magnite?

Who are Magnite's active insiders?

Are insiders buying or selling shares of Magnite?