LIGAND PHARMACEUTICALS INC 4

4 · LIGAND PHARMACEUTICALS INC · Filed May 14, 2015

Insider Transaction Report

Form 4

Period: 2015-05-12

LIGAND PHARMACEUTICALS INCLGND

DeSilva Nishan M

VP, Corporate Development

Transactions

Exercise/Conversion
Common Stock
2015-05-13$14.47/sh+11,757$170,124→ 34,039 total
Exercise/Conversion
Employee Stock Option (right to buy)
2015-05-12−14,214→ 75,786 total
Exercise: $14.47Exp: 2022-02-09→ Common Stock (14,214 underlying)
Exercise/Conversion
Employee Stock Option (right to buy)
2015-05-12−9,306→ 35,694 total
Exercise: $21.92Exp: 2023-02-15→ Common Stock (9,306 underlying)
Exercise/Conversion
Common Stock
2015-05-12$14.47/sh+14,214$205,677→ 36,496 total
Sale
Common Stock
2015-05-12$84.44/sh−14,214$1,200,230→ 22,282 total
Exercise/Conversion
Common Stock
2015-05-12$21.92/sh+9,306$203,988→ 31,588 total
Sale
Common Stock
2015-05-12$84.91/sh−9,306$790,172→ 22,282 total
Exercise/Conversion
Common Stock
2015-05-13$21.92/sh+12,148$266,284→ 34,430 total
Sale
Common Stock
2015-05-13$83.23/sh−12,148$1,011,078→ 22,282 total
Sale
Common Stock
2015-05-13$83.32/sh−11,757$979,593→ 22,282 total
Exercise/Conversion
Common Stock
2015-05-14$74.42/sh+20,938$1,558,206→ 43,220 total
Sale
Common Stock
2015-05-14$83.84/sh−20,938$1,755,442→ 22,282 total
Exercise/Conversion
Employee Stock Option (right to buy)
2015-05-13−11,757→ 64,029 total
Exercise: $14.47Exp: 2022-02-09→ Common Stock (11,757 underlying)
Exercise/Conversion
Employee Stock Option (right to buy)
2015-05-13−12,148→ 23,546 total
Exercise: $21.92Exp: 2023-02-15→ Common Stock (12,148 underlying)
Exercise/Conversion
Employee Stock Option (right to buy)
2015-05-14−20,938→ 24,062 total
Exercise: $74.42Exp: 2024-02-12→ Common Stock (20,938 underlying)

Footnotes (3)

[F1]Grant to reporting person of options, exercisable over a 4-year period measured from the date of grant, 12-1/2% after six months, then 1/48th of the Option Shares per month thereafter. The date of grant is 02/09/12.
[F2]Grant to reporting person of options, exercisable over a 4-year period measured from the date of grant, 12-1/2% after six months, then 1/48th of the Option Shares per month thereafter. The date of grant is 02/15/13.
[F3]Grant to reporting person of options, exercisable over a 4-year period measured from the date of grant, 12-1/2% after six months, then 1/48th of the Option Shares per month thereafter. The date of grant is 02/12/14.

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