Timothy A. Springer

Insider Reports History

Entity
Individual
Location
36 Woodman Road, Chestnut Hill, MA
Signature
/s/ Daniel Lochner, Attorney-in-Fact
All insider transactions
Transactions in reports broken out by “transaction date” reported in original SEC filing, see here for transactions aggregated across transaction date

Holdings reported by Timothy A. Springer:

Stock Role Class Num Shares Value Price $ Report Date Ownership
Cartesian Therapeutics, Inc. Director, 10%+ Owner Common Stock 8.64M $93.1M $10.77 Apr 11, 2025 Direct
Tectonic Therapeutic, Inc. Director, 10%+ Owner Common Stock 4.33M $70.7M $16.31 Apr 11, 2025 Direct
Tectonic Therapeutic, Inc. Director, 10%+ Owner Common Stock 1.5M $24.5M $16.31 Apr 11, 2025 By LLC
Cartesian Therapeutics, Inc. Director, 10%+ Owner Common Stock 657K $7.07M $10.77 Apr 11, 2025 Indirect
Cartesian Therapeutics, Inc. Director, 10%+ Owner Common Stock 331K $3.56M $10.77 Apr 9, 2025 By wife
Tectonic Therapeutic, Inc. Director, 10%+ Owner Common Stock 186K $3.04M $16.31 Apr 9, 2025 By Spouse
Cartesian Therapeutics, Inc. Director, 10%+ Owner Stock Option (Right to Buy) 7.8K $6.16K $0.79 Jan 2, 2025 Direct
Cartesian Therapeutics, Inc. Director, 10%+ Owner Series B Non-Voting Convertible Preferred Stock 0 $0 $20.00 Sep 25, 2024 By wife
Cartesian Therapeutics, Inc. Director, 10%+ Owner Series B Non-Voting Convertible Preferred Stock 0 $0 $20.00 Sep 25, 2024 Direct
Cartesian Therapeutics, Inc. Director, 10%+ Owner Series B Non-Voting Convertible Preferred Stock 0 $0 $20.00 Sep 25, 2024 Indirect
Morphic Holding, Inc. Director, 10%+ Owner Common Stock 0 $0 $55.79 Aug 16, 2024 By Spouse
Morphic Holding, Inc. Director, 10%+ Owner Common Stock 0 $0 $55.79 Aug 16, 2024 Direct
Morphic Holding, Inc. Director, 10%+ Owner Common Stock 0 $0 $55.79 Aug 16, 2024 See TAS Partners LLC
Cartesian Therapeutics, Inc. Director, 10%+ Owner Warrant (Right to Buy) 114K Oct 2, 2024 Direct
Cartesian Therapeutics, Inc. Director, 10%+ Owner Warrant (Right to Buy) 33.4K Oct 2, 2024 Indirect
Cartesian Therapeutics, Inc. Director, 10%+ Owner Warrant (Right to Buy) 20K Oct 2, 2024 By wife
Tectonic Therapeutic, Inc. Director, 10%+ Owner Stock Option (Right to Buy) 11.8K Jun 20, 2024 Direct
Morphic Holding, Inc. Director, 10%+ Owner Stock Option (Right to Buy) 0 Aug 16, 2024 Direct

Insider Reports Filed by Timothy A. Springer

Symbol Company Period Transactions Value $ Form Type Date Filed Role
TECX Tectonic Therapeutic, Inc. Apr 9, 2025 8 $2.3M 4 Apr 11, 2025 Director, 10%+ Owner
RNAC Cartesian Therapeutics, Inc. Apr 9, 2025 10 $1.52M 4 Apr 11, 2025 Director, 10%+ Owner
TECX Tectonic Therapeutic, Inc. Apr 7, 2025 2 $8.55M 4 Apr 9, 2025 Director, 10%+ Owner
RNAC Cartesian Therapeutics, Inc. Mar 18, 2025 3 $1.37M 4 Mar 20, 2025 Director, 10%+ Owner
TECX Tectonic Therapeutic, Inc. Feb 5, 2025 2 $40M 4 Feb 7, 2025 Director, 10%+ Owner
RNAC Cartesian Therapeutics, Inc. Jan 13, 2025 3 $366K 4 Jan 15, 2025 Director, 10%+ Owner
RNAC Cartesian Therapeutics, Inc. Jan 2, 2025 2 $0 4 Jan 6, 2025 Director, 10%+ Owner
RNAC Cartesian Therapeutics, Inc. Dec 19, 2024 5 $965K 4 Dec 23, 2024 Director, 10%+ Owner
RNAC Cartesian Therapeutics, Inc. Nov 14, 2024 5 $7.37M 4 Nov 18, 2024 Director, 10%+ Owner
TECX Tectonic Therapeutic, Inc. Oct 22, 2024 1 $10.1M 4 Oct 24, 2024 Director, 10%+ Owner
RNAC Cartesian Therapeutics, Inc. Oct 2, 2024 16 $4.29M 4 Oct 4, 2024 Director, 10%+ Owner
RNAC Cartesian Therapeutics, Inc. Sep 25, 2024 6 $0 4 Sep 27, 2024 Director, 10%+ Owner
TECX Tectonic Therapeutic, Inc. Sep 24, 2024 7 $1.44M 4 Sep 26, 2024 Director, 10%+ Owner
MORF Morphic Holding, Inc. Aug 16, 2024 11 $0 4 Aug 20, 2024 Director, 10%+ Owner
RNAC Cartesian Therapeutics, Inc. Aug 12, 2024 1 $102K 4 Aug 14, 2024 Director, 10%+ Owner
RNAC Cartesian Therapeutics, Inc. Jul 2, 2024 3 $47.2M 4 Jul 5, 2024 Director, 10%+ Owner
TECX Tectonic Therapeutic, Inc. Jun 20, 2024 3 $0 4 Jun 24, 2024 Director, 10%+ Owner
TECX Tectonic Therapeutic, Inc. Jun 20, 2024 0 $0 3 Jun 24, 2024 Director, 10%+ Owner
MORF Morphic Holding, Inc. Jun 4, 2024 1 $0 4 Jun 5, 2024 Director, 10%+ Owner
RNAC Cartesian Therapeutics, Inc. Apr 8, 2024 4 $0 4 Apr 10, 2024 Director, 10%+ Owner
RNAC Cartesian Therapeutics, Inc. Mar 26, 2024 2 $2.88M 4 Mar 26, 2024 Director, 10%+ Owner
RNAC Cartesian Therapeutics, Inc. Mar 18, 2024 1 $11.4K 4 Mar 20, 2024 Director, 10%+ Owner
RNAC Cartesian Therapeutics, Inc. Mar 14, 2024 2 $666K 4 Mar 18, 2024 Director, 10%+ Owner
RNAC Cartesian Therapeutics, Inc. Jan 17, 2024 10 $11.4K 4 Mar 28, 2024 Director, 10%+ Owner
RNAC Cartesian Therapeutics, Inc. Jan 2, 2024 2 $0 4 Jan 4, 2024 Director, 10%+ Owner
SELB Cartesian Therapeutics, Inc. Nov 13, 2023 9 $59.9M 4 Nov 15, 2023 Director, 10%+ Owner
MORF Morphic Holding, Inc. Jun 28, 2023 2 $0 4 Jun 30, 2023 Director, 10%+ Owner
MORF Morphic Holding, Inc. Jun 1, 2023 1 $0 4 Jun 2, 2023 Director, 10%+ Owner
MORF Morphic Holding, Inc. May 3, 2023 1 $47.3M 4 May 4, 2023 Director, 10%+ Owner
MORF Morphic Holding, Inc. Feb 13, 2023 2 $30M 4 Feb 13, 2023 Director, 10%+ Owner
SELB SELECTA BIOSCIENCES INC Jan 2, 2023 1 $0 4 Jan 4, 2023 Director, 10%+ Owner
MORF Morphic Holding, Inc. Jun 8, 2022 1 $0 4 Jun 10, 2022 Director, 10%+ Owner
SELB SELECTA BIOSCIENCES INC Apr 11, 2022 2 $0 4 Apr 13, 2022 Director, 10%+ Owner
SELB SELECTA BIOSCIENCES INC Jan 3, 2022 1 $0 4 Jan 5, 2022 Director, 10%+ Owner
SELB SELECTA BIOSCIENCES INC Dec 15, 2021 1 $631K 4 Dec 17, 2021 Director, 10%+ Owner
SELB SELECTA BIOSCIENCES INC Dec 9, 2021 3 $11.7M 4 Dec 13, 2021 Director, 10%+ Owner
MORF Morphic Holding, Inc. Aug 18, 2021 7 $4.21M 4 Aug 20, 2021 Director, 10%+ Owner
MORF Morphic Holding, Inc. Jun 16, 2021 1 $0 4/A Apr 29, 2022 Director, 10%+ Owner
MORF Morphic Holding, Inc. May 24, 2021 7 $6.02M 4 May 26, 2021 Director, 10%+ Owner
SELB SELECTA BIOSCIENCES INC May 24, 2021 3 $7.06M 4 May 26, 2021 Director, 10%+ Owner
MORF Morphic Holding, Inc. May 21, 2021 1 $10.6M 4 May 25, 2021 Director, 10%+ Owner
SELB SELECTA BIOSCIENCES INC May 21, 2021 1 $8.85M 4 May 25, 2021 Director, 10%+ Owner