Monitor for the actual sale via Form 4 filing. A top insider reducing over half their stake is a notable bearish signal that could weigh on the stock in the near term. Consider the strong analyst consensus (90% bullish) as a counterweight, but the insider's move warrants caution.
Price Chart
Executive Summary
Michael G. Barrett, an Officer and Director of Magnite, filed a Form 144 on June 16, 2026, indicating intent to sell 100,000 shares of common stock valued at approximately $1.75 million. The shares were acquired via stock option exercise on the same day, and the proposed sale represents about 56% of Barrett's reported holdings as of the prior day. This large proportional reduction by a top insider is a bearish signal, suggesting potential lack of confidence or diversification needs.
Key Facts
- Michael G. Barrett (Officer/Director) filed Form 144 to sell 100,000 shares of Magnite common stock.
- Estimated value of proposed sale: $1,750,000.
- Shares were acquired via stock option exercise on June 16, 2026.
- Barrett held 178,596 shares as of June 15, 2026; the sale would reduce his stake by ~56%.
- Filing date: June 16, 2026; sale to be executed through Morgan Stanley Smith Barney LLC.
Financial Impact
Proposed sale of 100,000 shares valued at $1.75M, representing ~56% of insider's reported holdings.
Risk Factors
- The sale may not be completed; Form 144 is an intent to sell.
- Insider may have tax or diversification motives unrelated to company outlook.
- Historical calibration shows high-impact calls on MGNI have underperformed, but this is a bearish signal where calibration is less applicable.
Market Snapshot
Investment Themes
Documents Analyzed
This report is based on 3 SEC documents filed with EDGAR.
| Document | Accession Number |
|---|---|
| 144 Filing (Primary) | 0001950047-26-006188 |
| Document: 0001950047-26-006188-index.html | 0001950047-26-006188 |
| Document: 0001950047-26-006188.txt | 0001950047-26-006188 |
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
Subscribe to SecBot
Get Real-Time SEC Filing Intelligence
Comprehensive SEC filing analysis delivered the moment filings hit EDGAR. Sentiment scoring, impact analysis, and actionable insights for every material event.
Try SecBot Free Coming soon: SecBot Pro with alerts, watchlists, and API access