The cluster is too small relative to market cap to signal material information. Monitor the next earnings release for any fundamental changes, but this filing alone does not warrant a trading action.
Price Chart
Executive Summary
Two MGNI insiders sold a total of ~$378K in open-market sales over a 7-day window, with the bulk executed by a senior executive (Evans Katie Seitz) following derivative exercises. The dollar amount is ~0.01% of MGNI's $3.4B market cap, well below the 0.1% materiality threshold, making this a routine cluster likely driven by tax planning and post-vesting liquidity rather than a bearish signal. Historical calibration shows past neutral/short calls on MGNI have performed well at T+20 (100% win rate), but this cluster's trivial size does not warrant a directional read.
Key Financial Metrics
Key Facts
- Two insiders sold shares totaling ~$378K in open-market transactions over 7 days
- Total sales represent ~0.01% of MGNI's $3.4B market cap — below materiality threshold
- Katie Seitz Evans (See Remarks) sold 57,382 shares total, partially following derivative exercises
- Director Paul Caine sold 5,000 shares at $23.53
- No insider buying in the cluster to offset the selling
Financial Impact
~$378K in insider sales, ~0.01% of market cap
Risk Factors
- Insider selling could accelerate if more executives follow suit
- No insider buying to signal confidence in valuation
Market Snapshot
Investment Themes
Documents Analyzed
This report is based on 1 SEC document filed with EDGAR.
| Document | Accession Number |
|---|---|
| CLUSTER Data (Synthetic) | cluster-MGNI-1789193149550 |
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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