Magnite Inc (MGNI): Congress and insider trades

Who in Congress and inside the company traded MGNI, when each filing appeared, and what buying after each one would have earned against the S&P 500.

Key Facts

  • Magnite Inc (MGNI) is a listed stock on NASDAQ.
  • Insiders filed 0 open market buys worth $0 and 34 sells worth $24M, the latest filed 2026-09-11 (11 September 2026).
  • Data as of 2026-09-29 (29 September 2026).
Congress buys 0 0 members
Congress sells 0
Insider buys 0 $0
Insider sells 34 $24M
Congress buys vs S&P, 90d n/a 0 scored buys
Insider buys vs S&P, 90d n/a 0 scored buys

Insider trades in MGNI

as of 2026-09-11
Open market insider trades in MGNI, newest first.
FiledInsiderTypeSharesPriceValue90 day vs S&P
11 Sep 2026 Caine Paul sell 5,000 $23.53 $118K n/a
11 Sep 2026 Saltz Aaron sell 40,000 $23.41 $936K n/a
11 Sep 2026 Evans Katie Seitz sell 13,997 $24.00 $336K n/a
10 Sep 2026 Evans Katie Seitz sell 32,285 $23.63 $763K n/a
10 Sep 2026 Evans Katie Seitz sell 11,100 $23.46 $260K n/a
3 Sep 2026 Buonasera David sell 1,043 $25.00 $26.1K n/a
3 Sep 2026 Buonasera David sell 5,371 $23.42 $126K n/a
28 Aug 2026 Harden Sarah Patricia sell 18,436 $24.00 $442K n/a
28 Aug 2026 Harden Sarah Patricia sell 30,550 $23.31 $712K n/a
12 Aug 2026 Gephart Brian sell 12,479 $24.68 $308K n/a
12 Aug 2026 Caine Paul sell 5,000 $24.35 $122K n/a
12 Aug 2026 Lam Rachel sell 10,000 $24.16 $242K n/a
7 Aug 2026 Knopper Douglas S sell 37,337 $22.72 $848K n/a
7 Aug 2026 Buonasera David sell 7,649 $23.46 $179K n/a
7 Aug 2026 Evans Katie Seitz sell 20,000 $24.00 $480K n/a
7 Aug 2026 BARRETT MICHAEL G. sell 293,968 $22.72 $6.7M n/a
7 Aug 2026 Buckley Sean Patrick sell 67,179 $24.49 $1.6M n/a
17 Jul 2026 BARRETT MICHAEL G. sell 38,596 $20.35 $785K n/a
14 Jul 2026 Caine Paul sell 5,000 $20.64 $103K n/a
9 Jul 2026 Buonasera David sell 1,224 $21.00 $25.7K n/a
9 Jul 2026 Buckley Sean Patrick sell 19,233 $21.03 $404K n/a
2 Jul 2026 Buonasera David sell 9,376 $20.00 $188K n/a
1 Jul 2026 BARRETT MICHAEL G. sell 75,000 $19.50 $1.5M n/a
18 Jun 2026 Buckley Sean Patrick sell 19,233 $19.00 $365K n/a
17 Jun 2026 Buonasera David sell 1,057 $17.00 $18.0K n/a
17 Jun 2026 BARRETT MICHAEL G. sell 100,000 $17.50 $1.8M n/a
17 Jun 2026 Buonasera David sell 11,233 $18.00 $202K n/a
17 Jun 2026 Buonasera David sell 1,409 $19.00 $26.8K n/a
17 Jun 2026 Knopper Douglas S sell 37,337 $18.10 $676K n/a
17 Jun 2026 BARRETT MICHAEL G. sell 178,596 $16.59 $3.0M n/a
10 Jun 2026 Knopper Douglas S sell 10,766 $15.73 $169K n/a
10 Jun 2026 PEARSON DAVID T. sell 10,766 $15.65 $168K n/a
3 Jun 2026 Buonasera David sell 1,409 $15.00 $21.1K n/a
21 May 2026 Spillane Robert F sell 10,000 $13.33 $133K n/a

Frequently asked questions

Who has bought MGNI?

0 Congress buys by 0 members and 0 insider buys are on file. The tables on this page list every one.

Did buying MGNI after a disclosure beat the market?

No disclosed buy of this stock has matured 90 days yet. A single stock is a small sample.

Sources: Congressional trades: STOCK Act disclosures, collected from CapitolTrades. Insider trades: SEC Form 4 filings, collected from Finviz. Prices: Yahoo Finance daily adjusted closes. Data as of 2026-09-29 (29 September 2026). About these sources.

Not investment advice. Past disclosed trades do not predict future returns. Disclosures are published late, so the trades shown are ones you could only have copied after the fact. Talk to a licensed adviser before you invest.