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Filing Details

Accession Number:: 0001170362-12-000005
Form Type:: 4
Zero Holdings:: No
Publication Time:: 2012-07-03 20:51:38
Reporting Period:: 2012-07-02

Filing Date:: 2012-07-03
Accepted Time:: 2012-07-03 19:51:38
SEC Url:: Form 4 Filing

Issuer

Cik	Name	Symbol	Sector (SIC)	IRS No
1080709	Arena Pharmaceuticals Inc	ARNA	Pharmaceutical Preparations (2834)	232908305

Insiders

Cik	Name	Reported Address	Insider Title	Director	Officer	Large Shareholder	Other
1170362	W Steven Spector	C/O Arena Pharmaceuticals, Inc. 6166 Nancy Ridge Drive San Diego CA 92121	Evp, General Counsel & Sec	No	Yes	No	No

Reported Non-Derivative Transactions

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Sec. Name	Acquisiton - Disposition	Date	Amount	Price	Remaning Holdings	Equity Swap Involved	Form Type	Code	Nature of Ownership
Common Stock	Acquisiton	2012-07-02	16,666	$6.00	76,254	No	4	M	Direct
Common Stock	Acquisiton	2012-07-02	22,699	$4.01	98,953	No	4	M	Direct
Common Stock	Acquisiton	2012-07-02	30,000	$3.25	128,953	No	4	M	Direct
Common Stock	Acquisiton	2012-07-02	45,000	$1.49	173,953	No	4	M	Direct
Common Stock	Disposition	2012-07-02	95,000	$9.96	78,953	No	4	S	Direct
Common Stock	Disposition	2012-07-02	39,365	$10.04	39,588	No	4	S	Direct
Common Stock	Acquisiton	2012-07-03	22,300	$4.01	61,888	No	4	M	Direct
Common Stock	Disposition	2012-07-03	22,300	$10.05	39,588	No	4	S	Direct

Equity Swap Involved	Form Type	Code	Nature of Ownership
No	4	M	Direct
No	4	M	Direct
No	4	M	Direct
No	4	M	Direct
No	4	S	Direct
No	4	S	Direct
No	4	M	Direct
No	4	S	Direct

Reported Derivative Transactions

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Sec. Name	Sec. Type	Acquisiton - Disposition	Date	Amount	Price	Amount - 2	Price - 2
Common Stock	Employee Stock Option (right to buy)	Disposition	2012-07-02	16,666	$0.00	16,666	$6.00
Common Stock	Employee Stock Option (right to buy)	Disposition	2012-07-02	22,699	$0.00	22,699	$4.01
Common Stock	Employee Stock Option (right to buy)	Disposition	2012-07-02	30,000	$0.00	30,000	$3.25
Common Stock	Employee Stock Option (right to buy)	Disposition	2012-07-02	45,000	$0.00	45,000	$1.49
Common Stock	Employee Stock Option (right to buy)	Disposition	2012-07-03	22,300	$0.00	22,300	$4.01

Remaning Holdings	Expiration Date	Equity Swap Involved	Transaction Form Type	Transaction Code	Nature of Ownership
33,334	2014-01-18	No	4	M	Direct
37,301	2019-03-17	No	4	M	Direct
70,000	2020-03-17	No	4	M	Direct
255,000	2021-03-15	No	4	M	Direct
15,001	2019-03-17	No	4	M	Direct

Footnotes

The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on April 11, 2012.
The price reported in Column 4 is a weighted-average price. These shares were sold in multiple transactions at prices ranging from $9.79 and $10.10 per share, inclusive. The reporting person undertakes to provide Arena Pharmaceuticals, Inc., any security holder of Arena Pharmaceuticals, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in footnotes 2 and 3 to this Form 4.
The price reported in Column 4 is a weighted-average price. These shares were sold in multiple transactions at prices ranging from $10.00 and $10.10 per share, inclusive.
The options vested in four equal annual installments on January 18, 2005, 2006, 2007 and 2008, and were immediately exercisable.
The options vest in four equal annual installments, and are exercisable once vested. The first, second and third installments became exercisable on March 17, 2010, 2011 and 2012, and the fourth installment vests on March 17, 2013.
The options vest in four equal annual installments, and are exercisable once vested. The first and second installments became exercisable on March 17, 2011 and 2012, and the third and fourth installments vest on March 17, 2013 and 2014.
The options vest in four equal annual installments, and are exercisable once vested. The first installment became exercisable on March 15, 2012, and the second, third and fourth installments vest on March 15, 2013, 2014 and 2015.