William K. Heiden

Insider Reports History

Entity
Individual
Location
C/O Amag Pharmaceuticals, Inc., 1100 Winter Street, Waltham, Massachusetts
Signature
/s/ Lynn M. Cilinski, 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 K. Heiden:

Stock Role Class Num Shares Value Price $ Report Date Ownership
Atara Biotherapeutics, Inc. Director Common Stock 359K $258K $0.72 Mar 31, 2024 Direct
MACROGENICS INC Director Stock Option (right to buy) 16.5K $167K $10.15 May 21, 2024 Direct
MACROGENICS INC Director Restricted Stock Unit 6.5K $118K $18.22 May 21, 2024 Direct
MACROGENICS INC Director Common Stock 4.5K $82K $18.22 May 20, 2024 Direct
Atara Biotherapeutics, Inc. Director Non-Qualified Stock Option (Right to Buy) 79.5K May 31, 2023 Direct

Insider Reports Filed by William K. Heiden

Symbol Company Period Transactions Value $ Form Type Date Filed Role
MGNX MACROGENICS INC May 21, 2024 2 $0 4 May 23, 2024 Director
MGNX MACROGENICS INC May 20, 2024 2 $0 4 May 22, 2024 Director
ATRA Atara Biotherapeutics, Inc. Mar 31, 2024 1 $0 4 Apr 2, 2024 Director
ATRA Atara Biotherapeutics, Inc. Nov 10, 2023 1 $25.3K 4 Nov 14, 2023 Director
ATRA Atara Biotherapeutics, Inc. May 31, 2023 2 $0 4 Jun 2, 2023 Director
MGNX MACROGENICS INC May 31, 2023 2 $0 4 Jun 2, 2023 Director
ATRA Atara Biotherapeutics, Inc. Jun 23, 2022 2 $0 4 Jun 27, 2022 Director
MGNX MACROGENICS INC May 23, 2022 1 $0 4 May 24, 2022 Director
MGNX MACROGENICS INC May 23, 2022 0 $0 3 May 24, 2022 Director
ATRA Atara Biotherapeutics, Inc. Jun 8, 2021 2 $0 4 Jun 9, 2021 Director