How many insider declarations has Sean Buckley filed?

Sean Buckley has filed 5 public insider declarations with SEC (Form 4).

What is Sean Buckley's role?

Sean Buckley's reported role is not specified by the regulator across the filings.

Which companies does Sean Buckley report trades for?

Sean Buckley reports trades for 2 companies, including Magnite, INC..

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SB

Sean Buckley

OFFICERM

·SEC (Form 4)

Magnite, INC.MAGNITE ,INC.

Cumul. flow

0

Total declarations

0

Companies

—

▲ Purchases (0 ops.)

—

▼ Sales (0 ops.)

Insider track record

Other

Disclosed buys

0

Disclosed sells

0

Not enough buy signals with a settled T+90 horizon to measure a track record yet.

Signal history

Discover the full record of transactions filed by Sean Buckley. Director active across 2 companies, notably Magnite, INC.. Aggregated, 5 reports have been recorded. Activity tracked since 17 June 2026. The latest transaction was filed on 18 August 2026 (Notice of proposed sale (Form 144)). Regulator: SEC (Form 4). The full history is accessible without signup.

Companies and markets linked to Sean Buckley

Open company profiles for insider transactions, fundamentals and analyst consensus when available.

Magnite, INC. (US)MAGNITE ,INC. (US)

Declarations5 total

●

SEAN BUCKLEY

OfficerExecutives18 Aug 2026Magnite, INC.

$66,7400Source ↗

2,759 shares@ US$24.19CommonSEC144:0001950047-26-008319

●

SEAN BUCKLEY

OfficerExecutives17 Aug 2026Magnite, INC.

$204,54220Source ↗

8,271 shares@ US$24.730.0058% mcap21.1% of flowCommonSEC144:0001950047-26-008259

●

SEAN BUCKLEY

OfficerExecutives6 Aug 2026MAGNITE ,INC.

$1M19Source ↗

67,179 shares@ US$20.67100.0% of flowCommonSEC144:0001950047-26-007749

●

SEAN BUCKLEY

OfficerExecutives7 Jul 2026Magnite, INC.

$400,81626Source ↗

19,233 shares@ US$20.840.013% mcap100.0% of flowCommonSEC144:0001950047-26-006936

●

SEAN BUCKLEY

OfficerExecutives17 Jun 2026Magnite, INC.

$356,77223Source ↗

19,233 shares@ US$18.550.012% mcap47.0% of flowCommonSEC144:0001950047-26-006278

5 of 5 declarations

InsidersTradesSigma

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SB

Sean Buckley

OFFICERM

·SEC (Form 4)

Magnite, INC.MAGNITE ,INC.

Cumul. flow

0

Total declarations

0

Companies

—

▲ Purchases (0 ops.)

—

▼ Sales (0 ops.)

Insider track record

Other

Disclosed buys

0

Disclosed sells

0

Not enough buy signals with a settled T+90 horizon to measure a track record yet.

Signal history

Discover the full record of transactions filed by Sean Buckley. Director active across 2 companies, notably Magnite, INC.. Aggregated, 5 reports have been recorded. Activity tracked since 17 June 2026. The latest transaction was filed on 18 August 2026 (Notice of proposed sale (Form 144)). Regulator: SEC (Form 4). The full history is accessible without signup.