Ownership Submission
FORM 3
 UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940
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(Print or Type Responses)
1. Name and Address of Reporting Person *
  Baity Glenn
 2. Date of Event Requiring Statement (Month/Day/Year)
03/12/2010		 3. Issuer Name and Ticker or Trading Symbol
ACADIA PHARMACEUTICALS INC [ACAD]
(Last)
(First)
(Middle)
3911 SORRENTO VALLEY BLVD.		 4. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
_____ Director _____ 10% Owner
__X__ Officer (give title below) _____ Other (specify below)
VP, GC & Sec.
 5. If Amendment, Date Original Filed(Month/Day/Year)
(Street)

SAN DIEGO, CA 92121		 6. Individual or Joint/Group Filing(Check Applicable Line)
_X_ Form filed by One Reporting Person
___ Form filed by More than One Reporting Person
(City)
(State)
(Zip)
Table I - Non-Derivative Securities Beneficially Owned
1.Title of Security
(Instr. 4)		 2. Amount of Securities Beneficially Owned
(Instr. 4)		 3. Ownership Form: Direct (D) or Indirect (I)
(Instr. 5)		 4. Nature of Indirect Beneficial Ownership
(Instr. 5)
Common Stock 30,203
D
 

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly. SEC 1473 (7-02)
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Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security
(Instr. 4)		 2. Date Exercisable and Expiration Date
(Month/Day/Year)		 3. Title and Amount of Securities Underlying Derivative Security
(Instr. 4)		 4. Conversion or Exercise Price of Derivative Security 5. Ownership Form of Derivative Security: Direct (D) or Indirect (I)
(Instr. 5)		 6. Nature of Indirect Beneficial Ownership
(Instr. 5)
Date Exercisable Expiration Date Title Amount or Number of Shares
Stock option (right to buy)   (1) 07/25/2014 Common Stock 42,000 $ 6.17 D  
Stock option (right to buy)   (2) 03/13/2016 Common Stock 7,000 $ 15.37 D  
Stock option (right to buy)   (3) 03/07/2017 Common Stock 10,000 $ 6.78 D  
Stock option (right to buy)   (4) 03/07/2017 Common Stock 6,000 $ 6.78 D  
Stock option (right to buy)   (5) 03/06/2018 Common Stock 20,000 $ 8.32 D  
Stock option (right to buy)   (6) 10/19/2018 Common Stock 20,000 $ 2 D  
Stock option (right to buy)   (7) 10/21/2018 Common Stock 15,000 $ 1.64 D  

Reporting Owners

Reporting Owner Name / Address Relationships
Director 10% Owner Officer Other
Baity Glenn
3911 SORRENTO VALLEY BLVD.
SAN DIEGO, CA 92121		       VP, GC & Sec.  

Signatures

/s/ Glenn F. Baity 03/16/2010
**Signature of Reporting Person Date

Explanation of Responses:

* If the form is filed by more than one reporting person, see Instruction 5(b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
(1) 25% of the shares subject to the Stock Option vest and become exercisable on July 26, 2005. The remaining shares vest and become exercisable thereafter in 36 equal monthly installments.
(2) 25% of the shares subject to the Stock Option vest and become exercisable on March 14, 2007. The remaining shares vest and become exercisable thereafter in 36 equal monthly installments.
(3) 25% of the shares subject to the Stock Option vest and become exercisable on January 1, 2008. The remaining shares vest and become exercisable thereafter in 36 equal monthly installments.
(4) 25% of the shares subject to the Stock Option vest and become exercisable on March 8, 2008. The remaining shares vest and become exercisable thereafter in 36 equal monthly installments.
(5) 25% of the shares subject to the Stock Option vest and become exercisable on March 7, 2009. The remaining shares vest and become exercisable thereafter in 36 equal monthly installments.
(6) 50% of the shares subject to the Stock Option vest and become exercisable on October 20, 2010. The remaining shares vest and become exercisable thereafter in 48 equal monthly installments.
(7) 25% of the shares subject to the Stock Option vest and become exercisable on October 22, 2009. The remaining shares vest and become exercisable thereafter in 36 equal monthly installments.

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