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Chang Michael N

Insider CIK 1380901 · OPTR Director

Track record PRO

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Track record
See how this insider's past purchases performed 30 and 90 days later, and a conviction score on each buy.
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Trades across companies

TickerCodeTradeFiledSharesPriceValueOwned after
OPTR OPTIMER PHARMACEUTICALS IN D To issuer deriv2013-10-242013-10-2880,000$2.03 $162.4K0SEC↗
OPTR OPTIMER PHARMACEUTICALS IN D To issuer deriv2013-10-242013-10-2880,000$0.93 $74.4K0SEC↗
OPTR OPTIMER PHARMACEUTICALS IN D To issuer deriv2013-10-242013-10-282,000$3.22 $6.4K0SEC↗
OPTR OPTIMER PHARMACEUTICALS IN D To issuer deriv2013-10-242013-10-2830,000$0.93 $27.9K0SEC↗
OPTR OPTIMER PHARMACEUTICALS IN D To issuer deriv2013-10-242013-10-2811,000$1.37 $15.1K0SEC↗
OPTR OPTIMER PHARMACEUTICALS IN D To issuer2013-10-242013-10-281,026,956$10.75 $11.04M0SEC↗
OPTR OPTIMER PHARMACEUTICALS IN D To issuer2013-10-242013-10-28441,761$10.75 $4.75M0SEC↗
OPTR OPTIMER PHARMACEUTICALS IN M Exercise deriv2013-09-042013-09-068,000— $02,000SEC↗
OPTR OPTIMER PHARMACEUTICALS IN M Exercise deriv2013-09-042013-09-06100,000— $00SEC↗
OPTR OPTIMER PHARMACEUTICALS IN M Exercise deriv2013-09-042013-09-0670,000— $00SEC↗
OPTR OPTIMER PHARMACEUTICALS IN M Exercise deriv2013-09-042013-09-0630,000— $00SEC↗
OPTR OPTIMER PHARMACEUTICALS IN M Exercise deriv2013-09-042013-09-0630,000— $00SEC↗
OPTR OPTIMER PHARMACEUTICALS IN M Exercise deriv2013-09-042013-09-0630,000— $00SEC↗
OPTR OPTIMER PHARMACEUTICALS IN M Exercise deriv2013-09-042013-09-064,615— $00SEC↗
OPTR OPTIMER PHARMACEUTICALS IN M Exercise deriv2013-09-042013-09-069,000— $011,000SEC↗
OPTR OPTIMER PHARMACEUTICALS IN M Exercise2013-09-042013-09-069,000$11.41 $102.7K441,761SEC↗
OPTR OPTIMER PHARMACEUTICALS IN M Exercise2013-09-042013-09-0630,000$10.75 $322.5K432,761SEC↗
OPTR OPTIMER PHARMACEUTICALS IN M Exercise2013-09-042013-09-0670,000$6.90 $483.0K1,018,956SEC↗
OPTR OPTIMER PHARMACEUTICALS IN M Exercise2013-09-042013-09-06100,000$9.70 $970.0K948,956SEC↗
OPTR OPTIMER PHARMACEUTICALS IN M Exercise2013-09-042013-09-0630,000$9.70 $291.0K372,761SEC↗
OPTR OPTIMER PHARMACEUTICALS IN M Exercise2013-09-042013-09-064,615$2.17 $10.0K342,761SEC↗
OPTR OPTIMER PHARMACEUTICALS IN M Exercise2013-09-042013-09-068,000$9.56 $76.5K1,026,956SEC↗
OPTR OPTIMER PHARMACEUTICALS IN M Exercise2013-09-042013-09-0630,000$6.90 $207.0K402,761SEC↗
OPTR OPTIMER PHARMACEUTICALS IN M Exercise deriv2013-04-232013-04-25117,263— $00SEC↗
OPTR OPTIMER PHARMACEUTICALS IN M Exercise2013-04-232013-04-25117,263$1.08 $126.6K848,956SEC↗
OPTR OPTIMER PHARMACEUTICALS IN M Exercise deriv2013-04-092013-04-1184,375— $00SEC↗
OPTR OPTIMER PHARMACEUTICALS IN M Exercise deriv2013-04-092013-04-1118,750— $00SEC↗
OPTR OPTIMER PHARMACEUTICALS IN M Exercise2013-04-092013-04-11103,125$12.34 $1.27M731,693SEC↗
OPTR OPTIMER PHARMACEUTICALS IN M Exercise deriv2013-04-032013-04-05103,125— $00SEC↗
OPTR OPTIMER PHARMACEUTICALS IN M Exercise deriv2013-04-032013-04-0542,187— $00SEC↗
OPTR OPTIMER PHARMACEUTICALS IN M Exercise2013-04-032013-04-05145,312$12.34 $1.79M628,568SEC↗
OPTR OPTIMER PHARMACEUTICALS IN A Award2012-01-012012-01-035,000— $0483,256SEC↗