Date Filer Title Filing Type Shares Traded Price Total Held
Apr 23, 2021
Chaubey Alka
Chief Medical Officer
Trans History: 12
 Chief Medical Officer Form 3/A Amendment to an Initial Statement of Beneficial Ownership of Securities 10,210 -- --
Oct 01, 2018
BARKER DAVID L
Director
Trans History: 18
 Director Form 4 Grant, award or other acquisition pursuant to Rule 16b-3(d) 10,516 -- 10,516
Oct 01, 2018
Cai Darren
Director
Trans History: 2
 Director Form 4 Grant, award or other acquisition pursuant to Rule 16b-3(d) 10,516 -- 10,516
Oct 01, 2018
Luderer Albert
Director
Trans History: 11
 Director Form 4 Grant, award or other acquisition pursuant to Rule 16b-3(d) 10,516 -- 10,516
Oct 01, 2018
TWOMEY CHRISTOPHER J
Director
Trans History: 14
 Director Form 4 Grant, award or other acquisition pursuant to Rule 16b-3(d) 10,516 -- 10,516
Oct 01, 2018
WANG JUNFENG
Director, Ten Percent Owner
Trans History: 14
 Director, Ten Percent Owner Form 4 Grant, award or other acquisition pursuant to Rule 16b-3(d) 10,516 -- 10,516
Oct 01, 2018
Zhou Quan
Director, Ten Percent Owner
Trans History: 14
 Director, Ten Percent Owner Form 4 Grant, award or other acquisition pursuant to Rule 16b-3(d) 10,516 -- 10,516
May 16, 2023
Holmlin R. Erik
Director, President and CEO
Trans History: 29
 Director, President and CEO Form 4 Open market or private purchase of non-derivative or derivative security 15,000 $0.64 806,474
Aug 23, 2018
Domain Partners VIII, L.P.
Ten Percent Owner
Trans History: 20
 Ten Percent Owner Form 4 Open market or private purchase of non-derivative or derivative security 15,000 $6.12 943,878
Aug 23, 2018
Domain Partners VIII, L.P.
Ten Percent Owner
Trans History: 20
 Ten Percent Owner Form 4 Open market or private purchase of non-derivative or derivative security 15,000 -- 15,000

* Represents the number of non-derivative securities directly held. (I) Indicates that some (or all) of these shares are held indirectly.