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Insider ActivityMGNI
BARRETT MICHAEL G., CEO at MAGNITE, INC., traded $133K of MGNI
Updated Jun 7, 2026
BARRETT MICHAEL G.
CEO
MAGNITE, INC. ·
$MGNI
Transaction Details
| Insider | BARRETT MICHAEL G. |
|---|---|
| Title | CEO |
| Company | MAGNITE, INC. |
| Ticker | MGNI |
| Transaction Type | Tax |
| Transaction Date | 2026-05-15 |
| Shares Traded | 10,404 |
| Price Per Share | $12.82 |
| Total Value | $133K |
| Filed Date | 2026-05-19 |
| Accession Number | 0001100612-26-000004 |
Ownership Context
| Shares Owned After Transaction | 403,074 |
|---|---|
| Ownership Type | Direct |
SEC Filing
Accession: 0001100612-26-000004
Other Insider Trades — MGNI
| Insider | Title | Action | Value | Date |
|---|---|---|---|---|
| Buonasera David | CHIEF TECHNOLOGY OFFICER | sold | $21K | 2026-06-01 |
| Spillane Robert F | Insider | sold | $133K | 2026-05-19 |
| Gephart Brian | CHIEF ACCOUNTING OFFICER | traded | $49K | 2026-05-15 |
| Buonasera David | CHIEF TECHNOLOGY OFFICER | traded | $107K | 2026-05-15 |
| Buckley Sean Patrick | President, Revenue | traded | $154K | 2026-05-15 |
| Day David | CHIEF FINANCIAL OFFICER | traded | $182K | 2026-05-15 |
| Evans Katie Seitz | President, Operations | traded | $144K | 2026-05-15 |
| Saltz Aaron | CHIEF LEGAL OFFICER | traded | $72K | 2026-05-15 |
Other Trades by BARRETT MICHAEL G.
| Ticker | Company | Action | Value | Date |
|---|---|---|---|---|
| OUT | OUTFRONT Media Inc. | traded | — | 2026-06-03 |
Full Ticker Profile
View all insider trades, dark pool activity, congressional filings, and the Whisper Score for MGNI — MAGNITE, INC. →
Whisper Score — MGNI
44.87
Active Discussion
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 07, 2026 at 07:07 UTC