Timothy A. Springer

Activist investor & 5%+ owner · SC 13D/13G filings

Total Filings

12

Stocks Covered

4

Latest Filing

Nov 19, 2024

Filings

RNAC

Cartesian Therapeutics, Inc.

SC 13D/A · Nov 19, 2024

37.1%

9.5M shares

TECX

Tectonic Therapeutic, Inc.

SC 13D/A · Oct 24, 2024

31.2%

4.6M shares

RNAC

Cartesian Therapeutics, Inc.

SC 13D/A · Oct 4, 2024

37.6%

9.0M shares

RNAC

Cartesian Therapeutics, Inc.

SC 13D/A · Sep 27, 2024

36.7%

8.8M shares

TECX

Tectonic Therapeutic, Inc.

SC 13D/A · Sep 27, 2024

29.1%

4.3M shares

RNAC

Cartesian Therapeutics, Inc.

SC 13D/A · Jul 5, 2024

36.3%

8.8M shares

TECX

Tectonic Therapeutic, Inc.

SC 13D · Jun 26, 2024

28.8%

4.2M shares

SELB

Cartesian Therapeutics, Inc.

SC 13D/A · Apr 12, 2024

36.4%

6.5M shares

SELB

Cartesian Therapeutics, Inc.

SC 13D/A · Mar 28, 2024

27.9%

194.2M shares

SELB

Cartesian Therapeutics, Inc.

SC 13D/A · Nov 17, 2023

27.7%

192.9M shares

MORF

Morphic Holding, Inc.

SC 13D · Oct 18, 2023

15.8%

7.6M shares

SELB

Selecta Biosciences, Inc.

SC 13D/A · Sep 22, 2023

28.9%

44.4M shares