Reporting Manager
Renaissance Technologies LLC
Symbol
GRDX
Shares outstanding
3,369,565 shares
Disclosed Ownership
31,000 shares
Ownership
0.92%
Form type
SCHEDULE 13G/A
Filing time
12 Feb 2026, 14:14:12 UTC
Date of event
31 Dec 2025
Previous filing
13 Nov 2025

Reporting Managers (2)

Name Ownership Shares Owned sole voting power shared voting power Signature Title CIK
Renaissance Technologies LLC 0.92% 31,000 31,000 0 Brian Felczak Chief Financial Officer
Renaissance Technologies Holdings Corporation 0.92% 31,000 31,000 0 Brian Felczak Vice President