N Michael Chang
Affiliations
- Director at Optimer Pharmaceuticals Inc (OPTR), 2013-10-28
Insider Trading: Purchases See All
| Company | Symbol | Price | Amount | Relationship | Remaining Holdings | Date | Form 4 |
|---|---|---|---|---|---|---|---|
| OPTR | $10.80 | 8,000 | Officer, Director | 220,396 | 2009-12-29 | Filing | |
| OPTR | $10.85 | 10,000 | Officer, Director | 212,396 | 2009-12-28 | Filing | |
| OPTR | $11.50 | 7,000 | Officer, Director | 202,396 | 2009-11-25 | Filing | |
| OPTR | $11.53 | 8,000 | Officer, Director | 195,396 | 2009-11-25 | Filing |