This Form 144 is a routine tax-motivated sell-to-cover from RSU vesting by a director. The dollar amount is negligible relative to market cap and the insider's likely total position. No reason to read through as a bearish signal. Monitor actual Form 4 filings for completion and to confirm no open-market sales pattern develops.
Price Chart
Executive Summary
Director David T. Pearson filed Form 144 notice to sell 10,766 shares (~$168,500 at filing) on June 10, 2026. The shares were acquired via restricted stock vesting on June 5, 2026 and are being sold through Morgan Stanley. This is a routine sale to cover tax obligations from vesting, not an open-market bearish signal.
Key Facts
- Director David T. Pearson filed Form 144 for 10,766 shares on June 10, 2026
- Estimated value of proposed sale: $168,500.28
- Shares acquired as restricted stock from issuer on June 5, 2026
- Selling through Morgan Stanley Smith Barney LLC
- Previous sale (if any) filed on 03/09/2026
Financial Impact
~$168,500 or ~0.007% of MGNI's $2.3B market cap — immaterial
Risk Factors
- Insider could be signaling reduced conviction if this pattern escalates into larger sales by other officers
- If the stock is near a catalyst (earnings, lockup expiry), any insider selling draws more scrutiny
Market Snapshot
Investment Themes
Documents Analyzed
This report is based on 3 SEC documents filed with EDGAR.
| Document | Accession Number |
|---|---|
| 144 Filing (Primary) | 0001950047-26-005851 |
| Document: 0001950047-26-005851-index.html | 0001950047-26-005851 |
| Document: 0001950047-26-005851.txt | 0001950047-26-005851 |
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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