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Chang Michael N

DateNameSymbolTypeSecuritySharesPriceValueOwnershipReported
10/24/2013OPTIMER PHARMACEUTICALS INCOPTRDispositionStock option (right to buy)11k$11.41$125.5kby spouse10/24/2013
10/24/2013OPTIMER PHARMACEUTICALS INCOPTRDispositionStock option (right to buy)80k$10.75$860k 10/24/2013
10/24/2013OPTIMER PHARMACEUTICALS INCOPTRDispositionCommon stock441.8k$10.75$4.7Mby spouse10/24/2013
10/24/2013OPTIMER PHARMACEUTICALS INCOPTRDispositionCommon stock1M$10.75$11M 10/24/2013
10/24/2013OPTIMER PHARMACEUTICALS INCOPTRDispositionStock option (right to buy)30k$11.85$355.5kby spouse10/24/2013
10/24/2013OPTIMER PHARMACEUTICALS INCOPTRDispositionStock option (right to buy)2k$9.56$19.1k 10/24/2013
10/24/2013OPTIMER PHARMACEUTICALS INCOPTRDispositionStock option (right to buy)80k$11.85$948k 10/24/2013
12/05/2011OPTIMER PHARMACEUTICALS INCOPTRGrantStock option (right to buy)50k$12.34$617k 12/05/2011
05/27/2011OPTIMER PHARMACEUTICALS INCOPTRGrantStock option (right to buy)150k$12.34$1.9M 05/27/2011
04/25/2011OPTIMER PHARMACEUTICALS INCOPTRExerciseStock option (right to buy)100k$1.08$108.3k 04/25/2011
01/21/2011OPTIMER PHARMACEUTICALS INCOPTRGrantStock option (right to buy)150k$12.34$1.9M 01/21/2011
08/18/2010OPTIMER PHARMACEUTICALS INCOPTRGrantStock option (right to buy)50k$12.34$617k 08/18/2010
06/01/2010OPTIMER PHARMACEUTICALS INCOPTRExerciseStock option (right to buy)3.5k$2.17$7.5k 06/01/2010
03/29/2010OPTIMER PHARMACEUTICALS INCOPTRGiftCommon Stock4.6k$0.00$0 03/29/2010
01/08/2010OPTIMER PHARMACEUTICALS INCOPTRGrantStock option (right to buy)30k$11.85$355.5kby spouse01/08/2010
01/08/2010OPTIMER PHARMACEUTICALS INCOPTRGrantStock option (right to buy)80k$11.85$948k 01/08/2010
11/25/2009OPTIMER PHARMACEUTICALS INCOPTRPurchaseCommon Stock7k$11.50$80.5k 11/25/2009
11/25/2009OPTIMER PHARMACEUTICALS INCOPTRPurchaseCommon Stock8k$11.53$92.2k 11/25/2009
11/16/2009OPTIMER PHARMACEUTICALS INCOPTROther (acquisition)Common Stock1.7k$9.91$17k 11/16/2009
11/16/2009OPTIMER PHARMACEUTICALS INCOPTROther (acquisition)Common Stock1.3k$9.91$13kby spouse11/16/2009

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