William Jl Rieflin

Insider Reports History

Location
South San Francisco, CA
Signature
/s/ Charles Newton, as 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 William Jl Rieflin:

Stock Role Class Num Shares Value Price $ Report Date Ownership
RAPT Therapeutics, Inc. Director Stock Option (right to buy) 36.5K $277K $7.58 May 23, 2024 Direct
NGM BIOPHARMACEUTICALS INC Director Common Stock 0 $0 $1.34 Apr 5, 2024 Direct
NGM BIOPHARMACEUTICALS INC Director Common Stock 0 $0 $1.34 Apr 5, 2024 Indirect
Lyell Immunopharma, Inc. Director Option (right to buy) 130K May 15, 2025 Direct
Lyell Immunopharma, Inc. Director Option (right to buy) 130K Jun 14, 2024 Direct
NGM BIOPHARMACEUTICALS INC Director Stock Option (Right to Buy) 0 Apr 5, 2024 Direct

Insider Reports Filed by William Jl Rieflin

Symbol Company Period Transactions Value $ Form Type Date Filed Role
LYEL Lyell Immunopharma, Inc. May 15, 2025 1 $0 4 May 19, 2025 Director
LYEL Lyell Immunopharma, Inc. Jun 14, 2024 1 $0 4 Jun 17, 2024 Director
RAPT RAPT Therapeutics, Inc. May 22, 2024 1 $0 4 May 23, 2024 Director
NGM NGM BIOPHARMACEUTICALS INC Apr 5, 2024 8 $0 4 Apr 8, 2024 Director
RAPT RAPT Therapeutics, Inc. Mar 28, 2024 1 $90K 4 Apr 1, 2024 Director
LYEL Lyell Immunopharma, Inc. Sep 8, 2023 1 $0 4 Sep 8, 2023 Director
LYEL Lyell Immunopharma, Inc. Jun 16, 2023 1 $0 4 Jun 20, 2023 Director
RAPT RAPT Therapeutics, Inc. May 24, 2023 1 $0 4 May 25, 2023 Director
NGM NGM BIOPHARMACEUTICALS INC May 10, 2023 1 $0 4 May 12, 2023 Director
RAPT RAPT Therapeutics, Inc. Mar 31, 2023 1 $87.5K 4 Apr 10, 2023 Director
LYEL Lyell Immunopharma, Inc. Jun 8, 2022 1 $0 4 Jun 10, 2022 Director
RAPT RAPT Therapeutics, Inc. May 25, 2022 1 $0 4 May 26, 2022 Director
RAPT RAPT Therapeutics, Inc. Mar 31, 2022 1 $87.5K 4 Apr 4, 2022 Director
NGM NGM BIOPHARMACEUTICALS INC Mar 3, 2022 1 $0 4 Mar 4, 2022 Executive Chairman, Director
LYEL Lyell Immunopharma, Inc. Jun 16, 2021 0 $0 3 Jun 16, 2021 Director
RAPT RAPT Therapeutics, Inc. May 28, 2021 1 $0 4 Jun 24, 2021 Director