Insider · CIK 0001380901

Chang Michael N

Reports to the SEC for 1 company · SAN DIEGO, CA

sec.gov

Transactions

Companies

Filings

CIK

0001380901

Forms 4 and 5

Insider transactions

50 trades

Date	Company	Role	Code	Shares	Price	Value	Shares after
2013-10-24	OPTIMER PHARMACEUTICALS INCD Disposition to Issuer	Director	DDisposition to Issuer	−1.03M sh	$10.75	−$11M	0
2013-10-24	OPTIMER PHARMACEUTICALS INCStock option (right to buy)D Disposition to Issuer	Director	DDisposition to Issuer	−11K sh	$1.37	−$15.1K	0
2013-10-24	OPTIMER PHARMACEUTICALS INCStock option (right to buy)D Disposition to Issuer	Director	DDisposition to Issuer	−30K sh	$0.93	−$27.9K	0
2013-10-24	OPTIMER PHARMACEUTICALS INCStock option (right to buy)D Disposition to Issuer	Director	DDisposition to Issuer	−2,000 sh	$3.22	−$6,440	0
2013-10-24	OPTIMER PHARMACEUTICALS INCStock option (right to buy)D Disposition to Issuer	Director	DDisposition to Issuer	−80K sh	$0.93	−$74.4K	0
2013-10-24	OPTIMER PHARMACEUTICALS INCStock option (right to buy)D Disposition to Issuer	Director	DDisposition to Issuer	−80K sh	$2.03	−$162K	0
2013-10-24	OPTIMER PHARMACEUTICALS INCD Disposition to Issuer	Director	DDisposition to Issuer	−442K sh	$10.75	−$4.75M	0
2013-09-04	OPTIMER PHARMACEUTICALS INCM Exercise/Conversion	Director	MExercise/Conversion	+9,000 sh	$11.41	+$103K	441,761
2013-09-04	OPTIMER PHARMACEUTICALS INCM Exercise/Conversion	Director	MExercise/Conversion	+100K sh	$9.70	+$970K	948,956
2013-09-04	OPTIMER PHARMACEUTICALS INCM Exercise/Conversion	Director	MExercise/Conversion	+70K sh	$6.90	+$483K	1,018,956
2013-09-04	OPTIMER PHARMACEUTICALS INCM Exercise/Conversion	Director	MExercise/Conversion	+8,000 sh	$9.56	+$76.5K	1,026,956
2013-09-04	OPTIMER PHARMACEUTICALS INCM Exercise/Conversion	Director	MExercise/Conversion	+4,615 sh	$2.17	+$10K	342,761
2013-09-04	OPTIMER PHARMACEUTICALS INCM Exercise/Conversion	Director	MExercise/Conversion	+30K sh	$9.70	+$291K	372,761
2013-09-04	OPTIMER PHARMACEUTICALS INCM Exercise/Conversion	Director	MExercise/Conversion	+30K sh	$6.90	+$207K	402,761
2013-09-04	OPTIMER PHARMACEUTICALS INCM Exercise/Conversion	Director	MExercise/Conversion	+30K sh	$10.75	+$323K	432,761
2013-09-04	OPTIMER PHARMACEUTICALS INCStock option (right to buy)M Exercise/Conversion	Director	MExercise/Conversion	−100K sh	—	—	0
2013-09-04	OPTIMER PHARMACEUTICALS INCStock option (right to buy)M Exercise/Conversion	Director	MExercise/Conversion	−70K sh	—	—	0
2013-09-04	OPTIMER PHARMACEUTICALS INCStock option (right to buy)M Exercise/Conversion	Director	MExercise/Conversion	−8,000 sh	—	—	2,000
2013-09-04	OPTIMER PHARMACEUTICALS INCStock option (right to buy)M Exercise/Conversion	Director	MExercise/Conversion	−4,615 sh	—	—	0
2013-09-04	OPTIMER PHARMACEUTICALS INCStock option (right to buy)M Exercise/Conversion	Director	MExercise/Conversion	−30K sh	—	—	0
2013-09-04	OPTIMER PHARMACEUTICALS INCStock option (right to buy)M Exercise/Conversion	Director	MExercise/Conversion	−30K sh	—	—	0
2013-09-04	OPTIMER PHARMACEUTICALS INCStock option (right to buy)M Exercise/Conversion	Director	MExercise/Conversion	−30K sh	—	—	0
2013-09-04	OPTIMER PHARMACEUTICALS INCStock option (right to buy)M Exercise/Conversion	Director	MExercise/Conversion	−9,000 sh	—	—	11,000
2013-04-23	OPTIMER PHARMACEUTICALS INCM Exercise/Conversion	Director	MExercise/Conversion	+117K sh	$1.08	+$127K	848,956
2013-04-23	OPTIMER PHARMACEUTICALS INCStock option (right to buy)M Exercise/Conversion	Director	MExercise/Conversion	−117K sh	—	—	0
2013-04-09	OPTIMER PHARMACEUTICALS INCCommon stockM Exercise/Conversion	Director	MExercise/Conversion	−18.8K sh	—	—	0
2013-04-09	OPTIMER PHARMACEUTICALS INCM Exercise/Conversion	Director	MExercise/Conversion	+103K sh	$12.34	+$1.27M	731,693
2013-04-09	OPTIMER PHARMACEUTICALS INCStock option (right to buy)M Exercise/Conversion	Director	MExercise/Conversion	−84.4K sh	—	—	0
2013-04-03	OPTIMER PHARMACEUTICALS INCM Exercise/Conversion	Director	MExercise/Conversion	+145K sh	$12.34	+$1.79M	628,568
2013-04-03	OPTIMER PHARMACEUTICALS INCStock option (right to buy)M Exercise/Conversion	Director	MExercise/Conversion	−42.2K sh	—	—	0
2013-04-03	OPTIMER PHARMACEUTICALS INCStock option (right to buy)M Exercise/Conversion	Director	MExercise/Conversion	−103K sh	—	—	0
2012-01-01	OPTIMER PHARMACEUTICALS INCA Award	Director	AAward	+5,000 sh	—	—	483,256
2011-12-05	OPTIMER PHARMACEUTICALS INCStock option (right to buy)A Award	Director	AAward	+50K sh	—	—	50,000
2011-11-15	OPTIMER PHARMACEUTICALS INCJ Other	Director	JOther	+530 sh	$9.72	+$5,153.72	338,146
2011-05-27	OPTIMER PHARMACEUTICALS INCStock option (right to buy)A Award	Director	AAward	+150K sh	—	—	150,000
2011-05-16	OPTIMER PHARMACEUTICALS INCJ Other	Director	JOther	+1,971 sh	$7.71	+$15.2K	337,616
2011-04-25	OPTIMER PHARMACEUTICALS INCM Exercise/Conversion	Director	MExercise/Conversion	+100K sh	$1.08	+$108K	478,256
2011-04-25	OPTIMER PHARMACEUTICALS INCStock option (right to buy)M Exercise/Conversion	Director	MExercise/Conversion	+100K sh	—	—	117,263
2011-01-26	OPTIMER PHARMACEUTICALS INCStock option (right to buy)A Award	Director	AAward	+20K sh	—	—	20,000
2011-01-21	OPTIMER PHARMACEUTICALS INCStock option (right to buy)A Award	Director	AAward	+150K sh	—	—	150,000
2010-12-01	OPTIMER PHARMACEUTICALS INCStock Option (Right to Buy)A Award	Director	AAward	+10K sh	—	—	10,000
2010-11-15	OPTIMER PHARMACEUTICALS INCJ Other	Director	JOther	+1,075 sh	$7.71	+$8,287.713	335,645
2010-08-18	OPTIMER PHARMACEUTICALS INCStock option (right to buy)A Award	Director	AAward	+50K sh	—	—	50,000
2010-06-01	OPTIMER PHARMACEUTICALS INCStock option (right to buy)M Exercise/Conversion	Director	MExercise/Conversion	−3,461 sh	—	—	0
2010-06-01	OPTIMER PHARMACEUTICALS INCM Exercise/Conversion	Director	MExercise/Conversion	+6,922 sh	$2.17	+$15K	378,256
2010-06-01	OPTIMER PHARMACEUTICALS INCStock option (right to buy)M Exercise/Conversion	Director	MExercise/Conversion	−3,461 sh	—	—	0
2010-05-17	OPTIMER PHARMACEUTICALS INCJ Other	Director	JOther	+1,401 sh	$9.57	+$13.4K	334,570
2010-05-05	OPTIMER PHARMACEUTICALS INCA Award	Director	AAward	+65K sh	—	—	371,334
2010-03-29	OPTIMER PHARMACEUTICALS INCG Gift	Director	GGift	−4,615 sh	—	—	306,334
2010-01-08	OPTIMER PHARMACEUTICALS INCStock option (right to buy)A Award	Director	AAward	+80K sh	—	—	80,000

Recent filings

Accepted (ET)
Oct 284
OPTIMER PHARMACEUTICALS INC0001142576-13-000018
SEC(opens sec.gov)
Sep 64
OPTIMER PHARMACEUTICALS INC0001142576-13-000015
SEC(opens sec.gov)

Companies

OPTIMER PHARMACEUTICALS INCDirector

Address

10110 SORRENTO VALLEY ROAD SUITE C

SAN DIEGO, CA, 92121