| Filed On | Filing |
|---|---|
| 07 Sep 2022 |
Form 3/A: Kulkarni Shashikant, President of Lab Operations
Holds 61,728 shares of Common Stock |
| 20 Oct 2017 |
Form 3/A: McKenzie Kathryn B, Principal Accounting Officer
No securities owned |
| 13 Sep 2012 |
Form 3/A: Gasparini Robert P, Director
Holds 33,155 shares of Common Stock |
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