Buonasera David sold $155K of MGNI
Buonasera David (CHIEF TECHNOLOGY OFFICER) sold 5,706 shares of MAGNITE, INC. (MGNI) at an average of $27.25 ($27.00–$28.00, $0.16M total) across 2 trades on 2026-11-05 under a Rule 10b5-1 trading plan.
How this was made
The 30-second read
Why it matters
The disclosed sale is modest and unlikely to move the stock materially, but may be noted by short‑term traders.
Market read
Small insider sale with limited price impact; primarily of interest to insiders‑tracking strategies.
What to watch
Potential upcoming corporate actions or compensation events not disclosed in the filing.
Background
Magnite is a US‑listed ad‑tech company; insider transactions are regularly monitored by traders.
Ticker impact
Form 4 shows CTO Buonasera David sold 5,706 shares for $155K via a 10b5‑1 plan.
likely slight downward pressure as market prices in the sale
Sale represents ~0.2% of insider's post‑transaction holdings and is under $200K, so impact is limited.
Market effects
Minimal; no broader sector impact from a small insider sale.
None; confined to US equity market.
None
Counterpoint
The sale could be routine execution of a pre‑arranged plan, not a negative signal.
Key entities
- OfficerBuonasera David
Chief Technology Officer of Magnite, Inc.



