|Issuer:||ARENA PHARMACEUTICALS INC (ARNA)|
|Original Submission Date:|
C/O ARENA PHARMACEUTICALS, INC.
6154 NANCY RIDGE DRIVE SAN DIEGO, CA 92121
|Title of Security||Transaction Date||2a. Deemed Execution Date||Transaction Code||Shares||Acquired or Disposed||Price per share||5. Amount of Securities Beneficially Owned Following Reported Transaction||6. Ownership Form Direct or Indirect||Nature of Indirect Ownership|
|Title of Derivative Security||Conversion or Exercise Price of Derivative Security||Transaction Date||Deemed Execution Date||Transaction Code||Number of Derivative Securities Acquired (A) or Disposed of (D)||Date Exercisable||Expiration Date||Title and Amount of Securities Underlying Derivative Security||Price of Derivative Security||Number of derivative Securities Beneficially Owned Following Reported Transaction(s)||Ownership Form: Direct (D) or Indirect (I)||Nature of Indirect Beneficial Ownership|
|f1||the amount represents restricted stock units that vest over four years, with 25% of the shares underlying the restricted stock units vesting on february 15, 2023, and the remainder vesting quarterly over the following three years in equal installments (except as otherwise necessary to avoid vesting of a fractional share), with such quarterly vesting dates occurring on the 15th of may, august, november, and february. the shares underlying the restricted stock units will be issued upon vesting and release of the restricted stock units.|