Barrett Michael G. (CIK 0001100612)

Latest company ownership

Shares held
237,659
Last filed at
Nov 18, 2025
Confidence Score
33.8
2025Q4
Confidence Score History
2018Q3 2025Q4

Recent buy/sell transactions

Exec date Filing date Company Role Signal Confidence Shares % of shares Under plan? Amount (USD)
Nov 15, 2025 Nov 18, 2025 MAGNITE, INC. CEO Sell 42.5 -12,198 -4.88% $172.6K
Aug 18, 2025 Aug 20, 2025 MAGNITE, INC. CEO Sell 40.0 -35,951 -12.58% $857.4K
Jul 15, 2025 Jul 17, 2025 MAGNITE, INC. CEO Sell 15.0 -70,900 -19.88% $1.6M
Jun 24, 2025 Jun 26, 2025 MAGNITE, INC. CEO Sell 3.8 -300,000 -45.68% $6M
Jun 16, 2025 Jun 18, 2025 MAGNITE, INC. CEO Sell 20.0 -75,000 -10.25% $1.4M
May 15, 2025 May 16, 2025 MAGNITE, INC. CEO Sell 42.5 -13,086 -1.76% $207.8K
Feb 15, 2025 Feb 19, 2025 MAGNITE, INC. CEO Sell 40.0 -26,499 -3.44% $530K
Feb 5, 2025 Feb 7, 2025 MAGNITE, INC. CEO Sell 37.5 -55,675 -6.75% $1M
Dec 4, 2024 Dec 6, 2024 MAGNITE, INC. CEO Sell 15.0 -147,996 -18.90% $2.6M
Nov 25, 2024 Nov 27, 2024 MAGNITE, INC. CEO Sell 35.0 -27,004 -3.33% $476.1K
Nov 15, 2024 Nov 19, 2024 MAGNITE, INC. CEO Sell 20.0 -109,638 -11.92% $1.8M
Nov 11, 2024 Nov 13, 2024 MAGNITE, INC. CEO Sell 38.8 -25,000 -2.65% $375K
Aug 15, 2024 Aug 16, 2024 MAGNITE, INC. CEO Sell 20.0 -107,941 -10.26% $1.4M
Jul 15, 2024 Jul 17, 2024 MAGNITE, INC. CEO Sell 23.8 -100,000 -8.68% $1.5M
May 15, 2024 May 17, 2024 MAGNITE, INC. CEO Sell 35.0 -85,441 -3.47% $778.8K
Mar 15, 2024 Mar 18, 2024 MAGNITE, INC. CEO Sell 30.0 -75,000 -5.73% $840.8K
Feb 15, 2024 Feb 16, 2024 MAGNITE, INC. CEO Sell 42.5 -20,400 -1.53% $198.7K
Nov 15, 2023 Nov 17, 2023 MAGNITE, INC. CEO Sell 30.0 -86,362 -6.67% $674.6K
Aug 16, 2023 Aug 18, 2023 MAGNITE, INC. CEO Sell 40.0 -35,869 -2.70% $298.1K
Aug 15, 2023 Aug 17, 2023 MAGNITE, INC. CEO Sell 30.0 -75,000 -5.34% $639K
Jul 11, 2023 Jul 13, 2023 MAGNITE, INC. CEO Sell 42.5 -25,000 -1.75% $375.5K
May 31, 2023 Jun 2, 2023 MAGNITE, INC. CEO Sell 35.0 -75,000 -4.98% $876.8K
May 16, 2023 May 18, 2023 MAGNITE, INC. CEO Sell 40.0 -24,679 -1.61% $268.5K
Apr 4, 2023 Apr 6, 2023 MAGNITE, INC. CEO Sell 40.0 -69,743 -4.37% $631.2K
Mar 15, 2023 Mar 17, 2023 MAGNITE, INC. CEO Sell 35.0 -75,000 -4.89% $629.3K
Feb 15, 2023 Feb 17, 2023 MAGNITE, INC. CEO Sell 42.5 -17,678 -1.14% $234.6K
Nov 15, 2022 Nov 17, 2022 MAGNITE, INC. CEO Sell 27.5 -104,283 -6.80% $1.2M
Aug 15, 2022 Aug 17, 2022 MAGNITE, INC. CEO Sell 47.5 -6,949 -0.45% $68.1K
May 15, 2022 May 17, 2022 MAGNITE, INC. CEO Sell 40.0 -32,422 -2.06% $343.3K
Feb 15, 2022 Feb 16, 2022 MAGNITE, INC. CEO Sell 47.5 -4,207 -0.27% $58.7K
Nov 15, 2021 Nov 17, 2021 MAGNITE, INC. CEO Sell 40.0 -40,713 -2.75% $916K
Aug 16, 2021 Aug 18, 2021 MAGNITE, INC. CEO Sell 27.5 -81,341 -5.71% $2.3M
May 17, 2021 May 19, 2021 MAGNITE, INC. CEO Sell 37.5 -105,138 -6.88% $2.7M
Apr 5, 2021 Apr 7, 2021 MAGNITE, INC. CEO Sell 32.5 -75,000 -4.68% $3M
Nov 16, 2020 Nov 18, 2020 MAGNITE, INC. CEO Sell 37.5 -95,053 -5.74% $1.1M
May 18, 2020 Jun 5, 2020 MAGNITE, INC. CEO Sell 40.0 -134,278 -7.50% $705.1K
May 18, 2020 May 20, 2020 MAGNITE, INC. CEO Sell 40.0 -128,213 -7.17% $674K
Jan 16, 2020 Jan 21, 2020 MAGNITE, INC. CEO Sell 20.0 -30,274 -1.84% $316.4K
Nov 18, 2019 Nov 19, 2019 MAGNITE, INC. CEO Sell 40.0 -83,395 -4.82% $631.3K
May 16, 2019 May 17, 2019 MAGNITE, INC. CEO Sell 40.0 -89,435 -4.94% $552.7K
Jan 15, 2019 Jan 17, 2019 MAGNITE, INC. CEO Sell 22.5 -31,063 -2.08% $124.9K
Nov 15, 2018 Nov 16, 2018 MAGNITE, INC. CEO Sell 20.0 -67,281 -4.31% $310.8K
Aug 7, 2018 Aug 8, 2018 MAGNITE, INC. CEO Buy 92.5 +100,000 6.89% $342K