William R. Keller

Insider Reports History

Entity
Individual
Location
C/O Alexion Pharmaceuticals, Inc., 352 Knotter Drive, Cheshire, CT
Signature
/s/ Cheng Yin Pan (Ben), 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

Insider Reports Filed by William R. Keller

Symbol Company Period Transactions Value $ Form Type Date Filed Role
ARTA Artisan Acquisition Corp. May 13, 2021 0 $0 3 May 13, 2021 Director