$PRTA

📈 Chart

32 transactions across 14 dates · last 365 days

2026-04-10
1 other
Insider Title Type Shares Price $ Value 10b5-1 Filed
Kingston Anne Evans Chief Strategy Officer A 100,000 $0 $0 Apr 10
2025-07-28
7 other
⚡ 7 insiders
Insider Title Type Shares Price $ Value 10b5-1 Filed
Kinney Gene G. President and CEO A 140,000 $0 $0 Jul 30
Malecek Michael J Chief Legal Officer A 80,000 $0 $0 Jul 30
Nguyen Tran Chief Strategy Officer and CFO A 95,000 $0 $0 Jul 30
Smith Brandon S. Chief Operating Officer A 130,000 $0 $0 Jul 30
Swanson Chad J. Chief Development Officer A 85,000 $0 $0 Jul 30
Walker Karin L Chief Accounting Officer A 25,000 $0 $0 Jul 30
Zago Wagner M. Chief Scientific Officer A 85,000 $0 $0 Jul 30
2025-05-14
8 other
⚡ 8 insiders
Insider Title Type Shares Price $ Value 10b5-1 Filed
COLLIER RICHARD T A 20,183 $0 $0 May 16
Cobb Paula K A 20,183 $0 $0 May 16
Cooke Shane A 20,183 $0 $0 May 16
Dunn William H. Jr. A 20,183 $0 $0 May 16
Ekman Lars A 20,183 $0 $0 May 16
Kim Helen Susan A 20,183 $0 $0 May 16
Selkoe Dennis J. A 20,183 $0 $0 May 16
WELCH DANIEL G A 20,183 $0 $0 May 16
2025-05-02
▼ 1 sell · $27.7M
Insider Title Type Shares Price $ Value 10b5-1 Filed
EcoR1 Capital, LLC ▼ Sell 3,317,938 $8 $27.7M May 6
2025-05-05
▼ 1 sell · $7.9M
Insider Title Type Shares Price $ Value 10b5-1 Filed
EcoR1 Capital, LLC ▼ Sell 977,693 $8 $7.9M May 6
2025-05-06
▼ 1 sell · $15.2M
Insider Title Type Shares Price $ Value 10b5-1 Filed
EcoR1 Capital, LLC ▼ Sell 1,984,053 $8 $15.2M May 6
2024-12-18
▲ 1 buy · $1.0M 1 other
Insider Title Type Shares Price $ Value 10b5-1 Filed
SCULLY WILLIAM P G 430,000 $0 $0 May 2
SCULLY WILLIAM P ▲ Buy 73,436 $14 $1.0M May 2
2024-12-19
1 other
Insider Title Type Shares Price $ Value 10b5-1 Filed
SCULLY WILLIAM P G 681,000 $0 $0 May 2
2024-12-20
▲ 1 buy · $32K 2 other
Insider Title Type Shares Price $ Value 10b5-1 Filed
SCULLY WILLIAM P ▲ Buy 2,000 $16 $32K May 2
SCULLY WILLIAM P G 500 $0 $0 May 2
SCULLY WILLIAM P G 40,000 $0 $0 May 2
2024-12-31
▲ 3 buys · $416K
Insider Title Type Shares Price $ Value 10b5-1 Filed
SCULLY WILLIAM P ▲ Buy 1,200 $13 $16K May 2
SCULLY WILLIAM P ▲ Buy 800 $13 $11K May 2
SCULLY WILLIAM P ▲ Buy 30,000 $13 $390K May 2
2025-01-02
1 other
Insider Title Type Shares Price $ Value 10b5-1 Filed
SCULLY WILLIAM P G 13,200 $0 $0 May 2
2025-01-03
1 other
Insider Title Type Shares Price $ Value 10b5-1 Filed
SCULLY WILLIAM P G 1,000 $0 $0 May 2
2025-01-14
▲ 1 buy · $1.3M
Insider Title Type Shares Price $ Value 10b5-1 Filed
SCULLY WILLIAM P ▲ Buy 100,000 $13 $1.3M May 2
2025-01-15
1 other
Insider Title Type Shares Price $ Value 10b5-1 Filed
SCULLY WILLIAM P G 12,000 $0 $0 May 2