$GRTX

📈 Chart

7 transactions across 3 dates · last 365 days

30d 90d 180d 365d

6-Month Buy/Sell Trend

Buys Sells
▶ 2026-04-07
4 other
⚡ 2 insiders
Insider Title Type Shares Price $ Value 10b5-1 Filed
CHANG NANCY T — C 1,180,611 — — Apr 9
CHANG NANCY T — C 1,181 $0 $0 Apr 9
FRIEDMAN MICHAEL R. — C 5,336,870 — — Apr 9
FRIEDMAN MICHAEL R. — C 5,337 $0 $0 Apr 9
▶ 2025-11-20
▼ 1 sell · $1K
Insider Title Type Shares Price $ Value 10b5-1 Filed
Sorensen Mel President and CEO ▼ Sell 70,000 $0 $1K Nov 24
▶ 2025-05-01
2 other
⚡ 2 insiders
Insider Title Type Shares Price $ Value 10b5-1 Filed
Sorensen Mel President and CEO A 6,000,000 $0 $0 May 5
Sussman Joel F. Chief Accounting Officer A 2,000,000 $0 $0 May 5