David Day - Net Worth and Insider Trading
David Day Net Worth
The estimated net worth of David Day is at least $9 Million dollars as of 2026-09-03. David Day is the CHIEF FINANCIAL OFFICER of Magnite Inc and owns about 382,106 shares of Magnite Inc (MGNI) stock worth over $9 Million. David Day is also the SVP, Corp. Controller & CAO of ReachLocal Inc and owns about 16,421 shares of ReachLocal Inc (RLOC) stock worth over $75,537. Details can be seen in David Day's Latest Holdings Summary section.
Disclaimer: The insider information is derived from SEC filings. The estimated net worth is based on the final shares held after open market or private purchases and sales of common stock with a transaction code of "P" or "S" on Form 4, assuming that David Day has not made any transactions after 2025-08-18 and currently still holds the listed stock(s). Please note that this estimate may not reflect the actual net worth.
Transaction Summary of David Day
David Day Insider Ownership Reports
Based on ownership reports from SEC filings, as the reporting owner, David Day owns 2 companies in total, including Magnite Inc (MGNI) , and ReachLocal Inc (RLOC) .
Click here to see the complete history of David Day’s form 4 insider trades.
Insider Ownership Summary of David Day
| Ticker | Company | Transaction Date | Type of Owner |
|---|---|---|---|
| MGNI | Magnite Inc | 2025-08-18 | Chief Accounting Officer |
| RLOC | ReachLocal Inc | 2013-02-19 | SVP & Corp. Controller & CAO |
David Day Latest Holdings Summary
David Day currently owns a total of 2 stocks. Among these stocks, David Day owns 382,106 shares of Magnite Inc (MGNI) as of August 18, 2025, with a value of $9 Million and a weighting of 99.2%. David Day also owns 16,421 shares of ReachLocal Inc (RLOC) as of February 19, 2013, with a value of $75,537 and a weighting of 0.8%.
Latest Holdings of David Day
| Ticker | Company | Latest Transaction Date | Shares Owned | Current Price ($) | Current Value ($) |
|---|---|---|---|---|---|
| MGNI | Magnite Inc | 2025-08-18 | 382,106 | 24.44 | 9,338,671 |
| RLOC | ReachLocal Inc | 2013-02-19 | 16,421 | 4.60 | 75,537 |
Holding Weightings of David Day
David Day Form 4 Trading Tracker
According to the SEC Form 4 filings, David Day has made a total of 16 transactions in Magnite Inc (MGNI) over the past 5 years, including 0 buys and 16 sells. The most-recent trade in Magnite Inc is the sale of 13,366 shares on August 18, 2025, which brought David Day around $318,779.
According to the SEC Form 4 filings, David Day has made a total of 0 transactions in ReachLocal Inc (RLOC) over the past 5 years. The most-recent trade in ReachLocal Inc is the sale of 229 shares on February 19, 2013, which brought David Day around $2,917.
Insider Trading History of David Day
* The information on this page (including Insider Trading Shares, Share Changes, Cost, etc.) is sourced exclusively from Form 4 filings and does not incorporate any data from 13F or 13D/G filings. As a result, it may differ from the values shown on the Guru page.
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David Day Trading Performance
David Day Ownership Network
Ownership Network List of David Day
Ownership Network Relation of David Day
David Day Owned Company Details
What does Magnite Inc do?
Who are the key executives at Magnite Inc?
David Day is the Chief Accounting Officer of Magnite Inc. Other key executives at Magnite Inc include See Remarks Sean Patrick Buckley , Chief Accounting Officer Brian Gephart , and CHIEF TECHNOLOGY OFFICER David Buonasera .
Magnite Inc (MGNI) Insider Trades Summary
Over the past 18 months, David Day made 4 insider transaction in Magnite Inc (MGNI) with a net sale of 144,194. Other recent insider transactions involving Magnite Inc (MGNI) include a net sale of 209,432 shares made by Adam Lee Soroca , a net sale of 57,500 shares made by Paul Caine , and a net sale of 193,207 shares made by Sean Patrick Buckley .
In summary, during the past 3 months, insiders sold 1,039,954 shares of Magnite Inc (MGNI) in total and bought 0 shares, with a net sale of 1,039,954 shares. During the past 18 months, 2,500,086 shares of Magnite Inc (MGNI) were sold and 0 shares were bought by its insiders, resulting in a net sale of 2,500,086 shares.
Magnite Inc (MGNI)'s detailed insider trading history can be found in Insider Trading Tracker table.
Magnite Inc Insider Transactions
David Day Mailing Address
Above is the net worth, insider trading, and ownership report for David Day. Based on the public information released on the U.S. Securities and Exchange Commission (SEC) website, David Day's mailing address is: Woodland Hills Ca 91367.
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