LEXICON PHARMACEUTICALS, INC. — Director's Dealing 2012

Feb 17, 2012

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: LEXICON PHARMACEUTICALS, INC./DE (LXRX)
CIK: 0001062822
Period of Report: 2012-02-15

Reporting Person: Tessmer James F (VP, Finance & Accounting)

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2012-02-15	Restricted Stock Units (Phantom Stock)	$	A	27000	Acquired		Common Stock (27000)	Direct
2012-02-15	Stock Option (Right to Buy)	$1.80	A	61000	Acquired	2022-02-15	Common Stock (61000)	Direct

Footnotes

F1: Each restricted stock unit represents a contingent right to receive one share of common stock.

F2: Restricted stock units vest with respect to 25% of the shares subject to the restricted stock units on February 28, 2013 and vest an additional 25% on February 28 of each of the three succeeding years thereafter.

F3: Option vests with respect to 25% of the shares subject to the option on the first anniversary of grant (2/15/2013) and vests 1/48th per month for each month of service thereafter.