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Insider ActivityMGNI
Buonasera David, CHIEF TECHNOLOGY OFFICER at MAGNITE, INC., traded $107K of MGNI
Updated Jun 18, 2026
Buonasera David
CHIEF TECHNOLOGY OFFICER
MAGNITE, INC. ·
$MGNI
Transaction Details
| Insider | Buonasera David |
|---|---|
| Title | CHIEF TECHNOLOGY OFFICER |
| Company | MAGNITE, INC. |
| Ticker | MGNI |
| Transaction Type | Tax |
| Transaction Date | 2026-05-15 |
| Shares Traded | 8,335 |
| Price Per Share | $12.82 |
| Total Value | $107K |
| Filed Date | 2026-05-19 |
| Accession Number | 0001966857-26-000005 |
Ownership Context
| Shares Owned After Transaction | 294,193 |
|---|---|
| Ownership Type | Direct |
SEC Filing
Accession: 0001966857-26-000005
Other Insider Trades — MGNI
| Insider | Title | Action | Value | Date |
|---|---|---|---|---|
| Buonasera David | CHIEF TECHNOLOGY OFFICER | sold | $27K | 2026-06-17 |
| Buonasera David | CHIEF TECHNOLOGY OFFICER | sold | $202K | 2026-06-16 |
| Knopper Douglas S | Insider | sold | $676K | 2026-06-16 |
| BARRETT MICHAEL G. | CEO | traded | $580K | 2026-06-16 |
| BARRETT MICHAEL G. | CEO | sold | $1.8M | 2026-06-16 |
| Buonasera David | CHIEF TECHNOLOGY OFFICER | sold | $18K | 2026-06-15 |
| BARRETT MICHAEL G. | CEO | sold | $3.0M | 2026-06-15 |
| BARRETT MICHAEL G. | CEO | traded | $1.0M | 2026-06-15 |
| Knopper Douglas S | Insider | sold | $169K | 2026-06-10 |
| PEARSON DAVID T. | Insider | sold | $168K | 2026-06-10 |
Other Trades by Buonasera David
| Ticker | Company | Action | Value | Date |
|---|---|---|---|---|
| MGNI | MAGNITE, INC. | sold | $27K | 2026-06-17 |
| MGNI | MAGNITE, INC. | sold | $202K | 2026-06-16 |
| MGNI | MAGNITE, INC. | sold | $18K | 2026-06-15 |
| MGNI | MAGNITE, INC. | sold | $21K | 2026-06-01 |
Full Ticker Profile
View all insider trades, dark pool activity, congressional filings, and the Whisper Score for MGNI — MAGNITE, INC. →
Whisper Score — MGNI
61.0
Frenzy
Current Whisper Score
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Data sourced from SEC Form 4 insider trading filings. Transaction details are as reported to the Securities and Exchange Commission. This page does not constitute financial advice. StonkWhisper presents public records — it does not verify or guarantee the accuracy of SEC filings.
Last updated: June 18, 2026 at 07:11 UTC