Insider Cluster (3 insiders) ·Filed Jul 14, 2026
Insider cluster: 3 insiders, $0.5M total
Actionable Insight • Neutral
Insider selling is trivial in size and lacks a clear informational signal. No action warranted. Monitor next earnings for any fundamental changes.
Latest settled — T+20d
MGNI ▲ +18.79% at T+20d
NEUTRAL call ✓ call won +18.79% · α vs SPY +16.45% · entry $20.49 → $24.34
Latest observation: T+53 -25.62% FF3 residual α
T+1d
-2.83%
call -2.83% · α -2.29%
$19.91
settled 3mo ago
T+5d
-10.69%
call -10.69% · α -9.71%
$18.30
settled 2mo ago
T+20d
+18.79%
call +18.79% · α +16.45%
$24.34
settled 8w ago
T+60d
—
call — · α —
—
in 4d
Price Chart
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Executive Summary
Three Magnite insiders, including the CTO and a director, sold a total of $533K in shares over a 7-day window. The sales are modest relative to the $2.9B market cap (~0.02%), and the CTO's sale is small ($26K), suggesting routine portfolio management or tax-related selling rather than a bearish signal.
Key Financial Metrics
Direction
selling
Total Value
$533.0K
Insiders
3
Key Facts
- Total insider sales: $533K across 3 insiders (2026-07-03 to 2026-07-10)
- CTO David Buonasera sold 1,200 shares for $26K (small, likely tax withholding or routine)
- Director Paul Caine sold 5,000 shares for $103K on 2026-07-10
- Sean Patrick Buckley (See Remarks) sold 19,200 shares for $404K on 2026-07-07
- Sales represent ~0.02% of $2.9B market cap — well below the 0.1% materiality threshold
- No open-market purchases in the cluster
Financial Impact
Total insider selling of $533K, or ~0.02% of market cap — immaterial
dilution
Risk Factors
- Insider selling could accelerate if fundamentals deteriorate, but current levels are routine
- No purchases to offset selling — lack of insider conviction buying is a mild negative
Market Snapshot
Exchange
Nasdaq
Sector
Services-Computer Programming, Data Processing, Etc.
Analyst Consensus
90% bullish (21 analysts)
Investment Themes
Software & IT
Documents Analyzed
This report is based on 1 SEC document filed with EDGAR.
| Document | Accession Number |
|---|---|
| CLUSTER Data (Synthetic) | cluster-MGNI-1784066484362 |
33 reports for MGNI
91% Hit rate best @ T+60▲ +66.78%
Filters
Rows
| 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%) |
Showing 10 of 33
US Market Status
Market Closed — Opens Mon (36h 12m)
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