Errol B. Desouza

Insider Reports History

Location
215 College Road, Paramus, NJ
Signature
/s/ Marc Grasso, by power of attorney
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 Errol B. Desouza:

Stock Role Class Num Shares Value Price $ Report Date Ownership
Royalty Pharma plc Director Class A Ordinary Shares 81.4K $2.6M $31.95 May 13, 2025 Direct
Royalty Pharma plc Director Class A Ordinary Shares 73.7K $2.23M $30.23 Jun 7, 2024 Direct
Cyclerion Therapeutics, Inc. Director Common Stock 30K $102K $3.40 Nov 30, 2023 Direct
Alector, Inc. Director Common Stock 70K $81.1K $1.16 Jun 11, 2025 Direct
CATALYST BIOSCIENCES, INC. Director Common Stock 29.8K $14K $0.47 Oct 1, 2021 Direct
CATALYST BIOSCIENCES, INC. Director Stock Option (Right to Buy) 14K Jun 9, 2021 Direct
Alector, Inc. Director Stock Option (right to buy) 9.45K Jun 11, 2025 Direct

Insider Reports Filed by Errol B. Desouza

Symbol Company Period Transactions Value $ Form Type Date Filed Role
ALEC Alector, Inc. Jun 11, 2025 2 $0 4 Jun 12, 2025 Director
RPRX Royalty Pharma plc May 13, 2025 1 $0 4 May 14, 2025 Director
RPRX Royalty Pharma plc Jun 7, 2024 1 $0 4 Jun 10, 2024 Director
ALEC Alector, Inc. Mar 19, 2024 2 $0 4 Mar 21, 2024 Director
ALEC Alector, Inc. Mar 19, 2024 0 $0 3 Mar 21, 2024 Director
CYCN Cyclerion Therapeutics, Inc. Nov 30, 2023 2 $0 4 Dec 4, 2023 Director
RPRX Royalty Pharma plc Jun 23, 2023 1 $0 4 Jun 26, 2023 Director
RPRX Royalty Pharma plc Jun 24, 2022 1 $0 4 Jun 24, 2022 Director
CYCN Cyclerion Therapeutics, Inc. Jun 14, 2022 1 $0 4 Jun 16, 2022 Director
CBIO CATALYST BIOSCIENCES, INC. Oct 1, 2021 1 $0 4 Oct 5, 2021 Director
RPRX Royalty Pharma plc Jun 25, 2021 1 $0 4 Jun 29, 2021 Director
CYCN Cyclerion Therapeutics, Inc. Jun 24, 2021 1 $0 4 Jun 28, 2021 Director
CBIO CATALYST BIOSCIENCES, INC. Jun 9, 2021 2 $0 4 Jul 2, 2021 Director
CYCN Cyclerion Therapeutics, Inc. Apr 21, 2021 0 $0 3 May 19, 2021 Director