Seidenberg Beth C (CIK 0001184592)

Latest company ownership

Shares held
735,984
Last filed at
Feb 14, 2024
Confidence Score
85.6
2025Q4
Confidence Score History
2025Q4 2025Q4
Shares held
146,553
Last filed at
Sep 20, 2024
Confidence Score
49.9
2025Q4
Confidence Score History
2023Q1 2025Q4
Shares held
51,459
Last filed at
Jun 7, 2024
Confidence Score
50.0
2025Q4
Confidence Score History
2023Q3 2025Q4
Role: Director
Shares held
18,808
Last filed at
Jun 23, 2021
Confidence Score
50.0
2025Q4
Confidence Score History
2019Q4 2025Q4

Recent buy/sell transactions

Exec date Filing date Company Role Signal Confidence Shares % of shares Under plan? Amount (USD)
Dec 18, 2025 Dec 22, 2025 Kyverna Therapeutics, Inc. Director Buy 97.5 +133,333 17.72% $1000K
Oct 28, 2024 Oct 30, 2024 Vera Therapeutics, Inc. Director Sell 26.3 -15,000 -9.96% $720.5K
Sep 18, 2024 Sep 20, 2024 Vera Therapeutics, Inc. Director Sell 26.3 -16,476 -9.86% $696.2K
Jul 18, 2023 Jul 20, 2023 Sagimet Biosciences Inc. Director Buy 97.5 +46,875 120.93% $750K
Mar 30, 2023 Apr 3, 2023 Vera Therapeutics, Inc. Director Buy 56.3 +2,300 0.12% $16.7K
Mar 28, 2023 Mar 30, 2023 Vera Therapeutics, Inc. Director Buy 82.5 +23,908 1.24% $173.2K
Mar 24, 2023 Mar 28, 2023 Vera Therapeutics, Inc. Director Buy 56.3 +3,466 0.18% $25.1K
Mar 17, 2023 Mar 21, 2023 Vera Therapeutics, Inc. Director Buy 90.0 +89,297 4.88% $636.9K
Mar 15, 2023 Mar 17, 2023 Vera Therapeutics, Inc. Director Buy 92.5 +92,941 5.35% $660.3K
Mar 10, 2023 Mar 14, 2023 Vera Therapeutics, Inc. Director Buy 90.0 +48,003 2.84% $343.5K
Mar 3, 2023 Mar 7, 2023 Vera Therapeutics, Inc. Director Buy 55.0 +1,000 0.06% $7.2K
Mar 1, 2023 Mar 3, 2023 Vera Therapeutics, Inc. Director Buy 82.5 +23,478 1.41% $170K
Feb 23, 2023 Feb 27, 2023 Vera Therapeutics, Inc. Director Buy 47.5 +200 0.01% $1.4K
Feb 13, 2023 Feb 15, 2023 Vera Therapeutics, Inc. Director Buy 72.5 +10,072 0.61% $72.5K
Feb 9, 2023 Feb 13, 2023 Vera Therapeutics, Inc. Director Buy 47.5 +400 0.02% $2.9K
Feb 3, 2023 Feb 9, 2023 Vera Therapeutics, Inc. Director Buy 100.0 +311,078 23.16% $2.2M
Apr 15, 2021 Apr 19, 2021 Progyny, Inc. Director Sell 37.5 -18,127 -0.20% $912.2K
Dec 14, 2020 Dec 15, 2020 Progyny, Inc. Director Sell 5.0 -38,461 -29.00% $1.6M
Nov 27, 2020 Dec 1, 2020 Progyny, Inc. Director Sell 17.5 -19,231 -15.07% $692.3K
Aug 11, 2020 Aug 13, 2020 Progyny, Inc. Director Sell 7.5 -19,231 -25.00% $576.9K
Oct 29, 2019 Oct 30, 2019 Progyny, Inc. Director Buy 97.5 +76,923 100.00% $1000K