Michael N. Chang serves as Executive at OPTIMER PHARMACEUTICALS INC, where they oversee executive responsibilities. Since joining the company, Michael N. Chang has executed 53 insider transactions totaling $1.7M, demonstrating a bullish approach to their equity position. Their most recent transaction on Feb 14, 2007 involved exercising options for 8,306 shares valued at $0.
Michael N. Chang currently holds 441,761 shares of OPTIMER PHARMACEUTICALS INC (OPTR), valued at approximately $0. This represents their equity stake as Executive.
Based on SEC Form 4 filings, Michael N. Chang has been a net buyer of OPTR stock. They have purchased $1.7M and sold $0 worth of shares.
Michael N. Chang's most recent insider trade was on Feb 14, 2007, when they sold 8,306 shares at $0.00 per share.
Get notified when new Form 4 filings are submitted
| $N/A |
| Discretionary |
| Feb 14, 2007 | OPTR | $804.8K | Purchase | 114,965 | $7.00 | Discretionary |