$23.58
-0.12-0.51%
At close: Sep 9, 5:00 PM EST
$23.58
N/A
After Hours: 4:00 PM EST
Magnite (MGNI) institutional and insider ownership, recent insider transactions and ownership breakdown.
Shares Outstanding
143.215M
Shares Float
126.762M
Insider Shares Owned
7.729M
Insider % Owned
5.4%
Institutional Shares Held
91.639M
Institutional % Held
63.9%
Ownership Breakdown
Net Insider Activity by Month
Purchases (90d)
0
Sales (90d)
17
$7.0M total
Net Activity
Net Selling
Net Value (90d)
-$7.0M
| Date | Insider | Title | Type | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Sep 1, 2026 | David Buonasera | CHIEF TECHNOLOGY OFFICER | SELL | 6.414K | $23.68 | $152K |
| Aug 26, 2026 | Patricia Sarah Harden | DIRECTOR | SELL | 48.986K | $23.57 | $1.2M |
| Aug 15, 2026 | Patrick Sean Buckley | SEE REMARKS | SELL | 22.745K | $24.61 | $560K |
| Aug 14, 2026 | Paul Caine | DIRECTOR | SELL | 7.500K | $25.00 | $188K |
| Aug 10, 2026 | Brian Gephart | CHIEF ACCOUNTING OFFICER | SELL | 12.479K | $24.68 | $308K |
| Aug 10, 2026 | Rachel Lam | DIRECTOR | SELL | 10.000K | $24.16 | $242K |
| Aug 10, 2026 | Paul Caine | DIRECTOR | SELL | 5.000K | $24.35 | $122K |
| Aug 6, 2026 | Patrick Sean Buckley | SEE REMARKS | SELL | 38.476K | $19.20 | $1.2M |
| Aug 6, 2026 | Douglas Knopper | DIRECTOR | SELL | 37.337K | $22.72 | $848K |
| Aug 6, 2026 | David Buonasera | CHIEF TECHNOLOGY OFFICER | SELL | 7.649K | $23.46 | $179K |
| Aug 6, 2026 | Seitz Katie Evans | SEE REMARKS | SELL-OPTIONS | — | $14.58 | $377K |
| Aug 6, 2026 | MICHAEL BARRETT | CEO | SELL-OPTIONS | — | $14.26 | $5.0M |
| Jul 15, 2026 | MICHAEL BARRETT | CEO | SELL-OPTIONS | — | $13.08 | $562K |
| Jul 10, 2026 | Paul Caine | — | SELL | 5.000K | $20.64 | $103K |
| Jul 7, 2026 | David Buonasera | CHIEF TECHNOLOGY OFFICER | SELL | 1.224K | $21.00 | $26K |
| Jul 7, 2026 | Patrick Sean Buckley | SEE REMARKS | SELL | 19.233K | $21.03 | $404K |
| Jul 1, 2026 | David Buonasera | CHIEF TECHNOLOGY OFFICER | SELL | 9.376K | $20.00 | $188K |
| Jun 29, 2026 | MICHAEL BARRETT | CEO | SELL-OPTIONS | — | $12.65 | $1.0M |
| Jun 17, 2026 | Patrick Sean Buckley | SEE REMARKS | SELL | 19.233K | $19.00 | $365K |
| Jun 16, 2026 | Douglas Knopper | — | SELL | 37.337K | $18.10 | $676K |
| Jun 15, 2026 | David Buonasera | CHIEF TECHNOLOGY OFFICER | SELL | 13.699K | $18.03 | $247K |
| Jun 15, 2026 | MICHAEL BARRETT | CEO | SELL-OPTIONS | — | $11.36 | $3.1M |
| Jun 8, 2026 | Douglas Knopper | — | GRANT | 3.032K | $15.73 | $169K |
| Jun 8, 2026 | DAVID PEARSON | — | GRANT | 3.032K | $15.65 | $168K |
| Jun 1, 2026 | David Buonasera | CHIEF TECHNOLOGY OFFICER | SELL | 1.409K | $15.00 | $21K |
| May 19, 2026 | Robert Spillane | — | SELL | 10.000K | $13.33 | $133K |
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