PTHS insider transactions

Director Friedberg Ezra M sold $14,556 worth of shares (558 units at $26.09) as part of a pre-agreed trading plan, decreasing direct ownership by 0.68% to 81,042 units (SEC Form 4) to cover withholding tax

Director Pauls Matthew sold $20,561 worth of shares (786 units at $26.16) as part of a pre-agreed trading plan, decreasing direct ownership by 5% to 14,364 units (SEC Form 4) to satisfy withholding tax

Director Greenleaf Peter sold $20,827 worth of shares (797 units at $26.13) as part of a pre-agreed trading plan, decreasing direct ownership by 3% to 23,884 units (SEC Form 4) to satisfy withholding tax

Director Friedberg Ezra M sold $7,724 worth of shares (283 units at $27.29) as part of a pre-agreed trading plan, decreasing direct ownership by 0.35% to 81,600 units (SEC Form 4) to satisfy tax liability

Director Davis Todd C bought $999,983 worth of shares (35,948 units at $27.82), increasing direct ownership by 90% to 75,834 units (SEC Form 4)

CFO, Treas & Secty Francis Knuettel Ii returned 13,947 shares to the company and sold $40,265 worth of shares (1,500 units at $26.84), decreasing direct ownership by 42% to 19,525 units (SEC Form 4)

Director Friedberg Ezra M covered exercise/tax liability with 144 shares, decreasing direct ownership by 0.18% to 81,883 units (SEC Form 4) (withholding obligation)

SEC Form 3 filed by new insider Gay John M.

SEC Form 4 filed by Malamut Richard

SEC Form 4 filed by Friedberg Ezra M

SEC Form 4 filed by Pauls Matthew

SEC Form 4 filed by Greenleaf Peter

Amendment: SEC Form 4 filed by Friedberg Ezra M

Amendment: SEC Form 4 filed by Davis Todd C

Amendment: SEC Form 4 filed by Malamut Richard

Amendment: SEC Form 4 filed by Plesha Scott M.

Amendment: SEC Form 4 filed by Greenleaf Peter

Amendment: SEC Form 4 filed by Pauls Matthew

Amendment: SEC Form 4 filed by Rangarao Sai

Amendment: SEC Form 4 filed by Baxter Richard B

Amendment: SEC Form 4 filed by Francis Knuettel Ii

Director Einhorn Andrew J. was granted 12,000 shares (SEC Form 4)

SEC Form 3 filed by new insider Einhorn Andrew J.

Director Pauls Matthew converted options into 10,616 shares and gifted 9,542 shares (SEC Form 4)

Director Friedberg Ezra M sold $280,280 worth of shares (10,000 units at $28.03) (SEC Form 4)

SEC Form 4 filed by Director Ligand Pharmaceuticals Inc

SEC Form 4 filed by CEO and President Plesha Scott M.

SEC Form 3 filed by new insider Plesha Scott M.

SEC Form 4 filed by Chief Commercial Officer Rangarao Sai

SEC Form 3 filed by new insider Rangarao Sai