| Symbol | Relationship | Date | Transaction | Cost | # Shares | Value($) | Total Shares | Form 4 |
| PRTA | Director | Jul 14, 2021 | Option Exercise | $11.33 | 11,108 | 125,854 | 11,108 | Jul 16, 2021, 04:02 PM |
| PRTA | Director | Jul 14, 2021 | Sale | $55.46 | 11,108 | 616,020 | 2,000 | Jul 16, 2021, 04:02 PM |
| PRTA | Director | Jul 12, 2021 | Option Exercise | $9.79 | 23,892 | 233,946 | 17,500 | Jul 13, 2021, 04:12 PM |
| PRTA | Director | Jul 12, 2021 | Sale | $55.51 | 23,892 | 1,326,128 | 11,272 | Jul 13, 2021, 04:12 PM |
| PRTA | Director | Jul 12, 2021 | Option Exercise | $9.79 | 23,892 | 233,946 | 17,500 | Jul 12, 2021, 09:37 PM |
| PRTA | Director | Jul 12, 2021 | Sale | $55.51 | 23,892 | 1,326,128 | 11,272 | Jul 12, 2021, 09:37 PM |
| PRTA | Director | Jun 25, 2021 | Option Exercise | $16.43 | 12,000 | 197,160 | 12,000 | Jun 29, 2021, 06:13 PM |
| PRTA | Director | Jun 25, 2021 | Sale | $47.73 | 12,000 | 572,819 | 1,736 | Jun 29, 2021, 06:13 PM |
| PRTA | Director | Sep 28, 2017 | Option Exercise | $6.65 | 900 | 5,985 | 900 | Sep 29, 2017, 05:15 PM |
| PRTA | Director | Sep 28, 2017 | Sale | $70.00 | 900 | 63,000 | 0 | Sep 29, 2017, 05:15 PM |
| CASC | Director | Sep 24, 2017 | Option Exercise | $3.94 | 594 | 2,340 | 60,185 | Sep 26, 2017, 05:19 PM |
| PRTA | Director | Jul 17, 2017 | Option Exercise | $6.65 | 5,000 | 33,250 | 5,000 | Jul 19, 2017, 04:10 PM |
| PRTA | Director | Jul 17, 2017 | Sale | $66.13 | 5,000 | 330,671 | 0 | Jul 19, 2017, 04:10 PM |
| CASC | Director | Jun 24, 2017 | Option Exercise | $3.78 | 2,265 | 8,562 | 58,404 | Jun 27, 2017, 05:39 PM |
| CASC | Director | Jun 12, 2017 | Option Exercise | $3.34 | 537 | 1,794 | 51,611 | Jun 13, 2017, 04:39 PM |
| PRTA | Director | Feb 27, 2017 | Option Exercise | $6.65 | 5,989 | 39,827 | 5,989 | Mar 01, 2017, 04:05 PM |
| PRTA | Director | Feb 27, 2017 | Sale | $57.16 | 5,989 | 342,350 | 0 | Mar 01, 2017, 04:05 PM |
| PRTA | Director | Feb 17, 2017 | Option Exercise | $6.65 | 4,011 | 26,673 | 4,011 | Feb 22, 2017, 05:05 PM |
| PRTA | Director | Feb 17, 2017 | Sale | $57.06 | 4,011 | 228,881 | 0 | Feb 22, 2017, 05:05 PM |
| CASC | Director | Jan 30, 2017 | Buy | $4.11 | 25,324 | 103,973 | 50,000 | Feb 01, 2017, 04:38 PM |
| PRTA | Director | Aug 07, 2015 | Option Exercise | $6.65 | 10,000 | 66,500 | 10,000 | Aug 05, 2016, 04:05 PM |
| PRTA | Director | Aug 07, 2015 | Sale | $62.93 | 10,000 | 629,298 | 5,600 | Aug 05, 2016, 04:05 PM |
| PRTA | Director | Nov 27, 2015 | Option Exercise | $6.65 | 5,000 | 33,250 | 5,000 | Dec 01, 2015, 04:05 PM |
| PRTA | Director | Nov 27, 2015 | Sale | $75.00 | 5,000 | 375,000 | 0 | Dec 01, 2015, 04:05 PM |
| PRTA | Director | Oct 29, 2015 | Option Exercise | $6.65 | 5,000 | 33,250 | 5,000 | Oct 30, 2015, 04:05 PM |
| PRTA | Director | Oct 29, 2015 | Sale | $55.00 | 5,000 | 275,000 | 0 | Oct 30, 2015, 04:05 PM |
| PRTA | Director | Aug 07, 2015 | Option Exercise | $6.41 | 10,000 | 64,100 | 10,000 | Aug 07, 2015, 05:37 PM |
| PRTA | Director | Aug 07, 2015 | Sale | $62.93 | 10,000 | 629,298 | 5,600 | Aug 07, 2015, 05:37 PM |
| ONTY | Director | Jun 13, 2014 | Option Exercise | $3.88 | 4,011 | 15,563 | 135,807 | Jun 16, 2015, 04:53 PM |
| ONTY | Director | Jun 07, 2014 | Option Exercise | $3.06 | 2,044 | 6,255 | 123,776 | Jun 10, 2014, 07:39 PM |
| ONTY | Director | Mar 11, 2014 | Option Exercise | $3.65 | 4,838 | 17,659 | 125,820 | Mar 12, 2014, 05:02 PM |
| ONTY | Director | Jun 09, 2013 | Option Exercise | $1.86 | 1,135 | 2,111 | 111,306 | Jun 11, 2013, 05:02 PM |
| ANTH | Director | Jun 29, 2012 | Buy | $0.75 | 100,000 | 74,930 | 202,429 | Jul 02, 2012, 05:46 PM |
| ANTH | Director | Jun 29, 2012 | Buy | $0.75 | 100,000 | 74,930 | 100,000 | Jul 02, 2012, 05:46 PM |
| ONTY | Director | Jun 07, 2012 | Option Exercise | $3.67 | 8,174 | 29,999 | 112,441 | Jun 08, 2012, 03:58 PM |
| ONTY | Director | Jun 03, 2012 | Option Exercise | $3.51 | 2,021 | 7,094 | 104,267 | Jun 05, 2012, 06:33 PM |
| ONTY | Director | May 03, 2012 | Option Exercise | $4.15 | 247 | 1,025 | 106,288 | May 04, 2012, 07:06 PM |
| ONTY | Director | Dec 31, 2011 | Option Exercise | $7.58 | 597 | 4,525 | 105,546 | Jan 03, 2012, 03:18 PM |
| ONTY | Director | Dec 04, 2011 | Option Exercise | $6.86 | 1,546 | 10,606 | 103,755 | Dec 07, 2011, 06:40 PM |
| ONTY | Director | Dec 01, 2011 | Option Exercise | $6.92 | 6,250 | 43,250 | 105,301 | Dec 05, 2011, 07:21 PM |
| ONTY | Director | Nov 18, 2011 | Option Exercise | $6.36 | 12,500 | 79,500 | 86,551 | Nov 18, 2011, 09:33 PM |
| Symbol | Relationship | Date | Transaction | Value($) |
| PRTA | Director | Jul 14, 2021 | Option Exercise | 125,854 |
| PRTA | Director | Jul 14, 2021 | Sale | 616,020 |
| PRTA | Director | Jul 12, 2021 | Option Exercise | 233,946 |
| PRTA | Director | Jul 12, 2021 | Sale | 1,326,128 |
| PRTA | Director | Jul 12, 2021 | Option Exercise | 233,946 |
| PRTA | Director | Jul 12, 2021 | Sale | 1,326,128 |
| PRTA | Director | Jun 25, 2021 | Option Exercise | 197,160 |
| PRTA | Director | Jun 25, 2021 | Sale | 572,819 |
| PRTA | Director | Sep 28, 2017 | Option Exercise | 5,985 |
| PRTA | Director | Sep 28, 2017 | Sale | 63,000 |
| CASC | Director | Sep 24, 2017 | Option Exercise | 2,340 |
| PRTA | Director | Jul 17, 2017 | Option Exercise | 33,250 |
| PRTA | Director | Jul 17, 2017 | Sale | 330,671 |
| CASC | Director | Jun 24, 2017 | Option Exercise | 8,562 |
| CASC | Director | Jun 12, 2017 | Option Exercise | 1,794 |
| PRTA | Director | Feb 27, 2017 | Option Exercise | 39,827 |
| PRTA | Director | Feb 27, 2017 | Sale | 342,350 |
| PRTA | Director | Feb 17, 2017 | Option Exercise | 26,673 |
| PRTA | Director | Feb 17, 2017 | Sale | 228,881 |
| CASC | Director | Jan 30, 2017 | Buy | 103,973 |
| PRTA | Director | Aug 07, 2015 | Option Exercise | 66,500 |
| PRTA | Director | Aug 07, 2015 | Sale | 629,298 |
| PRTA | Director | Nov 27, 2015 | Option Exercise | 33,250 |
| PRTA | Director | Nov 27, 2015 | Sale | 375,000 |
| PRTA | Director | Oct 29, 2015 | Option Exercise | 33,250 |
| PRTA | Director | Oct 29, 2015 | Sale | 275,000 |
| PRTA | Director | Aug 07, 2015 | Option Exercise | 64,100 |
| PRTA | Director | Aug 07, 2015 | Sale | 629,298 |
| ONTY | Director | Jun 13, 2014 | Option Exercise | 15,563 |
| ONTY | Director | Jun 07, 2014 | Option Exercise | 6,255 |
| ONTY | Director | Mar 11, 2014 | Option Exercise | 17,659 |
| ONTY | Director | Jun 09, 2013 | Option Exercise | 2,111 |
| ANTH | Director | Jun 29, 2012 | Buy | 74,930 |
| ANTH | Director | Jun 29, 2012 | Buy | 74,930 |
| ONTY | Director | Jun 07, 2012 | Option Exercise | 29,999 |
| ONTY | Director | Jun 03, 2012 | Option Exercise | 7,094 |
| ONTY | Director | May 03, 2012 | Option Exercise | 1,025 |
| ONTY | Director | Dec 31, 2011 | Option Exercise | 4,525 |
| ONTY | Director | Dec 04, 2011 | Option Exercise | 10,606 |
| ONTY | Director | Dec 01, 2011 | Option Exercise | 43,250 |
| ONTY | Director | Nov 18, 2011 | Option Exercise | 79,500 |