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Home > Insider Trading > Filing (0001142576-10-000022)

Filing Details

Accession Number:: 0001142576-10-000022
Form Type:: 4
Zero Holdings:: No
Publication Time:: 2010-05-13 13:00:00
Reporting Period:: 2010-05-12

Filing Date:: 2010-05-13
Accepted Time:: 2010-05-13 14:23:07
SEC Url:: Form 4 Filing

Issuer

Cik	Name	Symbol	Sector (SIC)	IRS No
1142576	Optimer Pharmaceuticals Inc	OPTR	Pharmaceutical Preparations (2834)	330830300

Insiders

Cik	Name	Reported Address	Insider Title	Director	Officer	Large Shareholder	Other
1184201	Y Joseph Chang	C/O Optimer Pharmaceuticals, Inc. 10110 Sorrento Valley Road, Suite C San Diego CA 92121		Yes	No	No	No

Reported Non-Derivative Transactions

Show Other Fields >>

Sec. Name	Acquisiton - Disposition	Date	Amount	Price	Remaning Holdings	Equity Swap Involved	Form Type	Code	Nature of Ownership	Explanation
Common Stock	Acquisiton	2010-05-12	4,615	$0.22	99,421	No	4	M	Direct
Common Stock	Disposition	2010-05-12	4,615	$11.75	94,806	No	4	S	Direct
Common Stock	Acquisiton	2010-05-12	3,461	$0.65	98,267	No	4	M	Direct
Common Stock	Disposition	2010-05-12	3,461	$11.75	94,806	No	4	S	Direct

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

Reported Derivative Transactions

Show Other Fields >>

Sec. Name	Sec. Type	Acquisiton - Disposition	Date	Amount	Price	Amount - 2	Price - 2
Common Stock	stock option (right to buy)	Disposition	2010-05-12	4,615	$0.00	4,615	$0.22
Common Stock	stock option (right to buy)	Disposition	2010-05-12	3,461	$0.00	3,461	$0.65

Remaning Holdings	Exercise Date	Expiration Date	Equity Swap Involved	Transaction Form Type	Transaction Code	Nature of Ownership
0		2011-01-11	No	4	M	Direct
0		2012-08-30	No	4	M	Direct

Footnotes

Options are exercisable immediately.