Magnite, Inc.
Magnite, Inc. (MGNI) Insider Trading
Form 4 buy vs sell counts, ratio, and sentiment — switch this quarter or last 12 months; chart and transactions below.
SEC EDGAR · FMP · MGNI · as of Jun 8, 2026
Activity summary
Buy transactions
0
P-Purchase only
Sell transactions
40
12 Months
Buy/Sell ratio
0.00
Buy/Sell (by trades)
Overall sentiment
Magnite, Inc. insiders have been primarily selling shares over the past 12 Months. Selling activity is often driven by pre-scheduled Rule 10b5-1 plans rather than negative sentiment toward the company.
▸ Source: SEC EDGAR · Form 3 & 4 · via Financial Modeling Prep · Buy = P-Purchase only · Sell = S-Sale only
As of Jun 8, 2026
MGNI insider buying and selling by quarter
MGNI insider selling · MGNI insider buying stocks · quarterly insider activity
Mobile shows last 4Q · Desktop shows full 8Q
▸ Source: SEC EDGAR · Form 3 & 4 · via Financial Modeling Prep · last 8 quarters
As of Jun 8, 2026
Active insiders
Most active in past 12 months · MGNI ceo insider trading
Showing all insiders · Click a card to filter the transactions table below
▸ Aggregated from reportingName · top 5 by trade count (12M) · no extra API
Recent insider transactions
MGNI executive sell shares · MGNI board member insider trading · MGNI insider trading SEC filing
Scroll horizontally to see all columns
| Date | Insider | Type | Shares | Value | Filing |
|---|---|---|---|---|---|
| May 19, 2026 | Spillane Robert F Director | Sale | 10,000 | $133K | Form 4 |
| May 15, 2026 | BARRETT MICHAEL G. CEO · Director | Other | 10,404 | $133K | Form 4 |
| May 15, 2026 | Buckley Sean Patrick President, Revenue | Other | 12,019 | $154K | Form 4 |
| May 15, 2026 | Evans Katie Seitz President, Operations | Other | 11,204 | $144K | Form 4 |
| May 15, 2026 | Day David CHIEF FINANCIAL OFFICER | Other | 14,170 | $182K | Form 4 |
| May 15, 2026 | Saltz Aaron CHIEF LEGAL OFFICER | Other | 5,627 | $72K | Form 4 |
| May 15, 2026 | Gephart Brian CHIEF ACCOUNTING OFFICER | Other | 3,789 | $49K | Form 4 |
| May 15, 2026 | Buonasera David CHIEF TECHNOLOGY OFFICER | Other | 8,335 | $107K | Form 4 |
| Feb 15, 2026 | Soroca Adam Lee CHIEF PRODUCT OFFICER | Other | 18,933 | $222K | Form 4 |
| Feb 18, 2026 | Soroca Adam Lee CHIEF PRODUCT OFFICER | Sale | 21,529 | $258K | Form 4 |
| Feb 15, 2026 | Buonasera David CHIEF TECHNOLOGY OFFICER | Other | 17,137 | $201K | Form 4 |
| Feb 15, 2026 | BARRETT MICHAEL G. CEO · Director | Other | 23,549 | $276K | Form 4 |
| Feb 15, 2026 | Gephart Brian CHIEF ACCOUNTING OFFICER | Other | 6,149 | $72K | Form 4 |
| Feb 15, 2026 | Evans Katie Seitz President, Operations | Other | 27,428 | $321K | Form 4 |
| Feb 15, 2026 | Day David CHIEF FINANCIAL OFFICER | Other | 30,617 | $358K | Form 4 |
| Feb 15, 2026 | Saltz Aaron CHIEF LEGAL OFFICER | Other | 12,761 | $149K | Form 4 |
| Feb 15, 2026 | Buckley Sean Patrick President, Revenue | Other | 26,942 | $315K | Form 4 |
| Jan 9, 2026 | Day David CHIEF FINANCIAL OFFICER | Option | 72,675 | — | Form 4 |
| Jan 9, 2026 | Day David CHIEF FINANCIAL OFFICER | Other | 35,169 | $569K | Form 4 |
| Jan 9, 2026 | Soroca Adam Lee CHIEF PRODUCT OFFICER | Option | 51,300 | — | Form 4 |
| Jan 9, 2026 | Soroca Adam Lee CHIEF PRODUCT OFFICER | Other | 25,330 | $410K | Form 4 |
| Jan 9, 2026 | Buonasera David CHIEF TECHNOLOGY OFFICER | Option | 22,935 | — | Form 4 |
| Jan 9, 2026 | Buonasera David CHIEF TECHNOLOGY OFFICER | Other | 12,330 | $199K | Form 4 |
| Jan 9, 2026 | Saltz Aaron CHIEF LEGAL OFFICER | Option | 28,215 | — | Form 4 |
| Jan 9, 2026 | Saltz Aaron CHIEF LEGAL OFFICER | Other | 15,026 | $243K | Form 4 |
BARRETT MICHAEL G.
CEO · Director
Date
May 15
Shares
10,404
Price
$12.82
Value
$133K
Buckley Sean Patrick
President, Revenue
Date
May 15
Shares
12,019
Price
$12.82
Value
$154K
Evans Katie Seitz
President, Operations
Date
May 15
Shares
11,204
Price
$12.82
Value
$144K
Day David
CHIEF FINANCIAL OFFICER
Date
May 15
Shares
14,170
Price
$12.82
Value
$182K
Gephart Brian
CHIEF ACCOUNTING OFFICER
Date
May 15
Shares
3,789
Price
$12.82
Value
$49K
Buonasera David
CHIEF TECHNOLOGY OFFICER
Date
May 15
Shares
8,335
Price
$12.82
Value
$107K
Soroca Adam Lee
CHIEF PRODUCT OFFICER
Date
Feb 15
Shares
18,933
Price
$11.70
Value
$222K
Soroca Adam Lee
CHIEF PRODUCT OFFICER
Date
Feb 18
Shares
21,529
Price
$12.00
Value
$258K
Buonasera David
CHIEF TECHNOLOGY OFFICER
Date
Feb 15
Shares
17,137
Price
$11.70
Value
$201K
BARRETT MICHAEL G.
CEO · Director
Date
Feb 15
Shares
23,549
Price
$11.70
Value
$276K
Gephart Brian
CHIEF ACCOUNTING OFFICER
Date
Feb 15
Shares
6,149
Price
$11.70
Value
$72K
Evans Katie Seitz
President, Operations
Date
Feb 15
Shares
27,428
Price
$11.70
Value
$321K
Day David
CHIEF FINANCIAL OFFICER
Date
Feb 15
Shares
30,617
Price
$11.70
Value
$358K
Saltz Aaron
CHIEF LEGAL OFFICER
Date
Feb 15
Shares
12,761
Price
$11.70
Value
$149K
Buckley Sean Patrick
President, Revenue
Date
Feb 15
Shares
26,942
Price
$11.70
Value
$315K
Day David
CHIEF FINANCIAL OFFICER
Date
Jan 9
Shares
35,169
Price
$16.17
Value
$569K
Soroca Adam Lee
CHIEF PRODUCT OFFICER
Date
Jan 9
Shares
25,330
Price
$16.17
Value
$410K
Buonasera David
CHIEF TECHNOLOGY OFFICER
Date
Jan 9
Shares
22,935
Price
—
Value
—
Buonasera David
CHIEF TECHNOLOGY OFFICER
Date
Jan 9
Shares
12,330
Price
$16.17
Value
$199K
⚡ = value ≥ $1M · Award/Option price shows — · formType=4 · securityName=Common Stock · url → sec.gov/Archives/edgar
▸ Source: SEC EDGAR · Form 4 filings · ⚡ = value ≥ $1M · Award/Option price shows —
About MGNI insider trading
MGNI insider trades
Magnite, Inc. (MGNI) insider trading data is sourced from SEC Form 4 filings submitted by corporate insiders, including Soroca Adam Lee (CHIEF PRODUCT OFFICER), Buckley Sean Patrick (President, Revenue), Saltz Aaron (CHIEF LEGAL OFFICER). Over the past 12 months, 5 insiders have filed transactions with the SEC. MGNI insiders have been primarily selling, which may reflect pre-scheduled Rule 10b5-1 plan executions.
For Magnite, Inc.'s institutional ownership breakdown and insider ownership percentage, see the Ownership tab → Ownership tab →
Frequently asked questions
MGNI insider trading · 5 questionsThe insiders of Magnite, Inc. (MGNI) include executives and directors such as Soroca Adam Lee (CHIEF PRODUCT OFFICER), Buckley Sean Patrick (President, Revenue), Saltz Aaron (CHIEF LEGAL OFFICER), among others. Over the past 12 months, 5 insiders have filed Form 4 transactions with the SEC. Insider transactions are required to be reported within 2 business days of the trade date.
▸ Source: FMP /stable/insider-trading/search · SEC EDGAR Form 3 & 4 · acquisitionOrDisposition A=Buy, D=Sell · RSU vesting (M-Exempt) excluded from sentiment bar · As of Jun 8, 2026