This is a low-significance insider sale by a director exercising options, not a CEO/CFO open-market reduction. Monitor for any follow-on Form 4 filings confirming execution. Given the director role and small relative size, no material near-term read-through on fundamentals.
Price Chart
Executive Summary
Director Michael G. Barrett filed a Form 144 to sell 178,596 shares (~$2.96 million) of Magnite common stock on June 15, 2026. The sale is related to a stock option exercise by an officer/director, settled in cash. The filing signals insider intent to monetize equity, though the director role reduces the directional signal relative to a CEO/CFO sale, and the proceeds are small relative to company market cap (~$2.3B).
Key Facts
- Michael G. Barrett, Director of Magnite, filed Form 144 to sell 178,596 shares
- Proposed sale value: approximately $2.96 million at ~$16.59/share (derived from shares/amount)
- Sale is tied to a stock option exercise — shares acquired from issuer, then sold
- Filing date: June 15, 2026; proposed sale date also June 15, 2026
- No lock-up expiration or near-term earnings catalyst identified in filing
- Recent 30-day insider activity at Magnite: 2 sells totaling $338K
- Approximate market cap: $2.3 billion; this sale is ~0.13% of market cap
- Source: Morgan Stanley Smith Barney account — non-discretionary sell instruction
Financial Impact
Director proposes to sell ~$2.96 million in stock (0.13% of market cap). This is a routine monetization via option exercise by a director.
Risk Factors
- Potential negative sentiment signal if other insiders follow with larger sales
- Option exercise could increase share count incrementally if cashless net-settlement is not used
Market Snapshot
Investment Themes
Documents Analyzed
This report is based on 3 SEC documents filed with EDGAR.
| Document | Accession Number |
|---|---|
| 144 Filing (Primary) | 0001950047-26-006083 |
| Document: 0001950047-26-006083-index.html | 0001950047-26-006083 |
| Document: 0001950047-26-006083.txt | 0001950047-26-006083 |
Filters
| Type | Now | ||||
|---|---|---|---|---|---|
Sep 11, 2026 22d ago | Insider Cluster | $23.77 $23.84 | ▲ +0.29% | ▲ +0.74% | $25.44 (+7.03%) |
Sep 10, 2026 22d ago | Press Release | $23.55 $23.77 | ▲ +0.93% | ▲ +0.08% | $25.44 (+8.03%) |
Sep 10, 2026 23d ago | Insider Cluster | $23.55 $23.77 | ▲ +0.93% | ▲ +0.08% | $25.44 (+8.03%) |
Sep 3, 2026 4w ago | Insider Cluster | $24.63 $24.14 | ▼ −1.99% | ▼ −1.60% | $25.44 (+3.29%) |
Aug 12, 2026 7w ago | Insider Cluster | $24.34 $24.58 | ▲ +0.99% | ▲ +0.29% | $25.44 (+4.52%) |
Aug 12, 2026 7w ago | Insider Cluster | $24.34 $24.58 | ▼ −0.99% | ▼ −0.29% | $25.44 (−4.52%) |
Aug 12, 2026 7w ago | Insider Cluster | $24.34 $24.58 | ▼ −0.99% | ▼ −0.29% | $25.44 (−4.52%) |
Aug 10, 2026 7w ago | 144 | $24.30 $24.34 | ▲ +0.16% | ▼ −0.09% | $25.44 (+4.69%) |
Aug 7, 2026 8w ago | Insider Cluster | $24.21 $24.30 | ▼ −0.37% | ▼ −0.69% | $25.44 (−5.08%) |
Aug 7, 2026 8w ago | Insider Cluster | $24.21 $24.30 | ▲ +0.37% | ▲ +0.69% | $25.44 (+5.08%) |
US Market Status
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