David Day

MGNI

David Day serves as CHIEF FINANCIAL 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

21 trades

$9.42M

Net Position

Net Seller

$9.42M

Companies Traded

MGNI

Active Period

Mar 2021 – Feb 2026

21 total trades

Most Recent

Sell MGNI

Feb 15, 2026 · $358.2K

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

Buys

0 · $0.00

Sells

21 · $9.42M

Total Shares Bought

Total Shares Sold

490,157

MGNI Price Chart

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Date	Type	Shares	Avg Price	Value	Shares After
Feb 15, 2026	Sell	30,617	$11.70	$358.2K	0
Aug 20, 2025	Sell	13,366	$23.85	$318.8K	382,106
Jul 2, 2025	Sell	21,682	$22.00	$477.0K	421,846
Jun 26, 2025	Sell	71,000	$20.46	$1.45M	443,528
Jun 20, 2025	Sell	38,146	$18.95	$722.9K	443,528
Feb 7, 2025	Sell	52,245	$19.58	$1.02M	488,506
Jan 7, 2025	Sell	13,345	$17.00	$226.9K	374,014
Dec 18, 2024	Sell	25,144	$16.38	$411.7K	400,859
Jul 17, 2024	Sell	19,077	$15.00	$286.2K	430,755
Jun 14, 2024	Sell	21,299	$14.01	$298.4K	449,832
Jun 5, 2024	Sell	20,732	$13.00	$269.5K	471,131
May 17, 2024	Sell	19,370	$12.00	$232.4K	491,863
Aug 18, 2023	Sell	9,078	$8.31	$75.4K	415,866
Jul 13, 2023	Sell	9,584	$15.00	$143.8K	424,944
Jun 30, 2023	Sell	21,564	$14.00	$301.9K	424,944
Jun 14, 2023	Sell	16,517	$13.41	$221.6K	461,812
May 18, 2023	Sell	16,066	$10.88	$174.8K	463,025
Aug 18, 2021	Sell	5,177	$26.82	$138.8K	268,349
May 19, 2021	Sell	35,569	$25.98	$924.1K	273,526
Mar 26, 2021	Sell	10,454	$39.74	$415.4K	277,335
Mar 12, 2021	Sell	20,125	$46.99	$945.7K	277,335