Brian Gephart

MGNI

Brian Gephart serves as officer: CHIEF ACCOUNTING OFFICER at Magnite, Inc. (MGNI). This page tracks their complete SEC Form 4 insider trading history including stock purchases and sales.

Total Buys

0 trades

$0.00

Total Sells

11 trades

$1.67M

Net Position

Net Seller

$1.67M

Companies Traded

MGNI

Active Period

May 2023 – Aug 2026

11 total trades

Most Recent

Sell MGNI

Aug 12, 2026 · $308.0K

Brian Gephart's Insider Trading at Magnite, Inc. (MGNI)

Buys

0 · $0.00

Sells

11 · $1.67M

Total Shares Bought

Total Shares Sold

84,700

MGNI Price Chart

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Date	Type	Shares	Avg Price	Value	Shares After
Aug 12, 2026	Sell	12,479	$24.68	$308.0K	106,117
Feb 15, 2026	Sell	6,149	$11.70	$71.9K	0
Sep 5, 2025	Sell	27,671	$24.71	$683.8K	92,898
Aug 20, 2025	Sell	2,961	$23.85	$70.6K	120,569
May 14, 2025	Sell	6,334	$16.16	$102.4K	126,575
Mar 5, 2025	Sell	6,250	$16.00	$100.0K	132,909
Nov 19, 2024	Sell	2,156	$15.60	$33.6K	112,795
Nov 13, 2024	Sell	2,156	$15.00	$32.3K	116,982
Jul 17, 2024	Sell	16,166	$15.00	$242.5K	121,169
Aug 18, 2023	Sell	1,141	$8.31	$9.5K	95,422
May 18, 2023	Sell	1,237	$10.88	$13.5K	96,563