| 2017-09-28 | Sale | Prothena Corporation plc PRTA | Chief Business Officer | 12,776 0.0341% | $69.20 | $884,056 | -50.66% | |
| 2017-09-27 | Sale | Prothena Corporation plc PRTA | Chief Business Officer | 4,724 0.0126% | $69.05 | $326,189 | -50.21% | |
| 2017-09-25 | Sale | Prothena Corporation plc PRTA | Chief Business Officer | 17,500 0.0452% | $63.60 | $1.11M | -47.55% | |
| 2015-12-09 | Sale | Prothena Corporation plc PRTA | Chief Business Officer | 10,000 0.0334% | $66.17 | $661,652 | -26.71% | |
| 2015-09-09 | Sale | Prothena Corporation plc PRTA | Chief Business Officer | 10,000 0.0325% | $56.06 | $560,558 | -13.93% | |
| 2015-06-09 | Sale | Prothena Corporation plc PRTA | Chief Business Officer | 12,000 0.0383% | $44.41 | $532,949 | +9.26% | |
| 2015-03-20 | Sale | Prothena Corporation plc PRTA | Chief Business Officer | 13,000 0.0491% | $39.99 | $519,870 | +27.21% | |
| 2014-05-12 | Prothena Corporation plc PRTA | Chief Business Officer | 1,656 0.0076% | $21.00 | $34,776 | +5.51% |