David Buonasera

MGNI

David Buonasera serves as CHIEF TECHNOLOGY 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

16 trades

$1.64M

Net Position

Net Seller

$1.64M

Companies Traded

MGNI

Active Period

May 2023 – Feb 2026

16 total trades

Most Recent

Sell MGNI

Feb 15, 2026 · $200.5K

David Buonasera's Insider Trading at Magnite, Inc. (MGNI)

Buys

0 · $0.00

Sells

16 · $1.64M

Total Shares Bought

Total Shares Sold

105,688

MGNI Price Chart

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Date	Type	Shares	Avg Price	Value	Shares After
Feb 15, 2026	Sell	17,137	$11.70	$200.5K	0
Sep 4, 2025	Sell	2,950	$25.37	$74.8K	238,629
Aug 20, 2025	Sell	7,834	$23.85	$186.8K	241,579
Jul 2, 2025	Sell	9,289	$22.00	$204.4K	249,413
May 28, 2025	Sell	12,395	$15.71	$194.8K	267,444
Dec 13, 2024	Sell	1,969	$16.31	$32.1K	223,795
Nov 27, 2024	Sell	431	$16.78	$7.2K	225,764
Nov 26, 2024	Sell	9,219	$17.00	$156.7K	226,195
Nov 19, 2024	Sell	277	$15.77	$4.4K	235,414
Nov 15, 2024	Sell	12,412	$16.41	$203.7K	240,403
Aug 16, 2024	Sell	10,000	$12.65	$126.5K	258,102
May 17, 2024	Sell	5,500	$12.50	$68.8K	271,862
Sep 7, 2023	Sell	5,444	$8.58	$46.7K	207,246
Aug 18, 2023	Sell	2,648	$8.31	$22.0K	212,690
Jul 6, 2023	Sell	6,624	$13.43	$89.0K	215,338
May 18, 2023	Sell	1,559	$10.88	$17.0K	221,962