Springer Timothy A (CIK 0001055624)

Latest company ownership

Shares held
3,796,764
Last filed at
Sep 26, 2024
Confidence Score
53.1
2025Q4
Confidence Score History
2024Q3 2025Q4
Shares held
3,253,422
Last filed at
Sep 16, 2019
Confidence Score
50.0
2025Q4
Confidence Score History
2018Q2 2025Q4
Shares held
153,677
Last filed at
Oct 4, 2024
Confidence Score
52.4
2025Q4
Confidence Score History
2016Q2 2025Q4

Recent buy/sell transactions

Exec date Filing date Company Role Signal Confidence Shares % of shares Under plan? Amount (USD)
Apr 9, 2025 Apr 11, 2025 Tectonic Therapeutic, Inc. Director Buy 87.5 +141,923 2.41% ✗ $2.3M
Apr 9, 2025 Apr 11, 2025 Cartesian Therapeutics, Inc. Director Buy 87.5 +149,075 1.57% ✗ $1.5M
Apr 7, 2025 Apr 9, 2025 Tectonic Therapeutic, Inc. Director Buy 96.3 +500,000 9.29% ✗ $8.6M
Mar 18, 2025 Mar 20, 2025 Cartesian Therapeutics, Inc. Director Buy 77.5 +89,863 0.96% ✗ $1.4M
Feb 5, 2025 Feb 7, 2025 Tectonic Therapeutic, Inc. Director Buy 100.0 +789,294 17.18% ✗ $40M
Jan 13, 2025 Jan 15, 2025 Cartesian Therapeutics, Inc. Director Buy 67.5 +20,967 0.22% ✗ $366.4K
Dec 19, 2024 Dec 23, 2024 Cartesian Therapeutics, Inc. Director Buy 75.0 +52,189 0.56% ✗ $965K
Nov 14, 2024 Nov 18, 2024 Cartesian Therapeutics, Inc. Director Buy 93.8 +431,940 4.86% ✗ $7.4M
Oct 22, 2024 Oct 24, 2024 Tectonic Therapeutic, Inc. Director Buy 97.5 +300,000 6.99% ✗ $10.1M
Oct 2, 2024 Oct 4, 2024 Cartesian Therapeutics, Inc. Director Buy 87.5 +205,721 2.37% ✗ $4.3M
Sep 24, 2024 Sep 26, 2024 Tectonic Therapeutic, Inc. Director Buy 87.5 +50,000 1.18% ✗ $1.4M
Aug 12, 2024 Aug 14, 2024 Cartesian Therapeutics, Inc. Director Buy 60.0 +8,016 0.13% ✗ $102K
Jan 17, 2024 Mar 28, 2024 Cartesian Therapeutics, Inc. Director Buy 48.8 +18,400 0.05% ✗ $11.4K
Mar 18, 2024 Mar 20, 2024 Cartesian Therapeutics, Inc. Director Buy 48.8 +19,044 0.05% ✗ $11.4K
Mar 14, 2024 Mar 18, 2024 Cartesian Therapeutics, Inc. Director Buy 90.0 +1,185,872 3.17% ✗ $666.2K
Dec 15, 2021 Dec 17, 2021 Cartesian Therapeutics, Inc. Director Buy 75.0 +211,190 0.70% ✗ $631.1K
Dec 9, 2021 Dec 13, 2021 Cartesian Therapeutics, Inc. Director Buy 100.0 +3,821,273 14.40% ✗ $11.7M
May 24, 2021 May 26, 2021 Cartesian Therapeutics, Inc. Director Buy 96.3 +1,900,000 7.71% ✗ $7.1M
May 21, 2021 May 25, 2021 Cartesian Therapeutics, Inc. Director Buy 100.0 +2,773,479 12.69% ✗ $8.8M
Oct 21, 2020 Oct 23, 2020 Cartesian Therapeutics, Inc. Director Buy 100.0 +3,644,692 20.01% ✗ $9.6M
Oct 16, 2020 Oct 20, 2020 Cartesian Therapeutics, Inc. Director Buy 100.0 +1,887,696 11.56% ✗ $4.3M
Oct 9, 2020 Oct 14, 2020 Cartesian Therapeutics, Inc. Director Buy 85.0 +276,703 1.72% ✗ $552.5K
Oct 6, 2020 Oct 8, 2020 Cartesian Therapeutics, Inc. Director Buy 100.0 +3,185,394 24.76% ✗ $5.4M
Aug 14, 2019 Aug 16, 2019 Cartesian Therapeutics, Inc. Director Buy 56.3 +10,000 0.16% ✗ $17.4K
Nov 10, 2017 Mar 29, 2019 Cartesian Therapeutics, Inc. Director Buy 100.0 +4,071,418 882.03% ✗ $6.1M
May 29, 2018 May 31, 2018 Scholar Rock Holding Corp Director Buy 85.0 +71,428 2.23% ✗ $1000K
Nov 14, 2017 Nov 16, 2017 Cartesian Therapeutics, Inc. Director Buy 90.0 +57,598 2.75% ✗ $534.1K
Nov 9, 2017 Nov 13, 2017 Cartesian Therapeutics, Inc. Director Buy 90.0 +53,338 2.62% ✗ $490.4K
Jun 27, 2017 Jun 28, 2017 Cartesian Therapeutics, Inc. Director Buy 100.0 +338,791 19.94% ✗ $6M
Jun 1, 2017 Jun 2, 2017 Cartesian Therapeutics, Inc. Director Buy 47.5 +518 0.03% ✗ $7.1K
May 17, 2017 May 19, 2017 Cartesian Therapeutics, Inc. Director Buy 72.5 +16,104 0.96% ✗ $225.5K
Jun 27, 2016 Jun 29, 2016 Cartesian Therapeutics, Inc. Director Buy 100.0 +710,000 134.72% ✗ $9.9M