Magnite Inc (MGNI) Insider Sean Patrick Buckley Sells Shares

2 min readBy Investing Point

Sean Patrick Buckley, an insider at Magnite Inc (MGNI), executed a significant stock sale on November 17, 2025, offloading 271,125 shares at a price of $13.36 each. The total value of this transaction reached $3.62 million. Following this sale, Buckley retains an equal number of shares in the company.

Magnite Inc, a key player in the media industry, specializes in providing technology solutions that automate the purchase and sale of digital advertising inventory. Headquartered in New York City, the company went public on February 4, 2014, and currently employs 905 full-time staff. As of November 18, 2025, Magnite boasts a market capitalization of $1.9 billion, a P/E ratio of 33.48, and an EPS of 0.36.

The move underscores the varied motivations behind insider selling, which can include personal financial needs, tax planning, or diversification strategies. While such transactions can attract investor attention, they do not inherently suggest negative sentiment towards the company. Investors are encouraged to consider insider activity in the context of broader market trends and alongside other fundamental factors.

Insider transactions are reported to the SEC, providing transparency into the actions of company executives and board members. However, one insider's selling activity should be viewed as just one data point among many. Evaluating patterns of insider trading across multiple individuals and timeframes can offer a more comprehensive perspective on company sentiment.

Looking ahead, Magnite is scheduled to report its earnings on May 4, 2026, with an estimated EPS of $0.11 and revenue of $163.6 million, followed by another report on August 3, 2026, with an estimated EPS of $0.25 and revenue of $183.4 million.

This brief was generated from structured financial data and reviewed by the Investing Point editorial team. It is for informational purposes only and does not constitute investment advice. Market data provided by Finnhub.

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