| Symbol | Relationship | Date | Transaction | Cost | # Shares | Value($) | Total Shares | Form 4 |
| IPI | Executive Chairman & CEO | Apr 19, 2022 | Option Exercise | $117.80 | 6,727 | 792,441 | 459,509 | Apr 20, 2022, 04:37 PM |
| IPI | Executive Chairman & CEO | Apr 12, 2022 | Option Exercise | $108.20 | 2,979 | 322,328 | 466,236 | Apr 14, 2022, 04:09 PM |
| IPI | Executive Chairman & CEO | Mar 11, 2022 | Option Exercise | $84.19 | 12,590 | 1,059,952 | 394,026 | Mar 15, 2022, 04:23 PM |
| IPI | Exec. Chair, President & CEO | Jun 08, 2021 | Option Exercise | $30.51 | 5,666 | 172,870 | 314,472 | Jun 09, 2021, 04:16 PM |
| IPI | Exec. Chair, President & CEO | Mar 14, 2021 | Option Exercise | $37.15 | 3,432 | 127,499 | 320,138 | Mar 15, 2021, 06:04 PM |
| IPI | Exec. Chair, President & CEO | Dec 17, 2019 | Buy | $2.34 | 9,500 | 22,230 | 2,138,144 | Dec 18, 2019, 05:46 PM |
| IPI | Exec. Chair, President & CEO | Aug 28, 2019 | Buy | $2.86 | 9,500 | 27,170 | 2,128,644 | Aug 28, 2019, 05:59 PM |
| IPI | Exec. Chair, President & CEO | Aug 27, 2019 | Buy | $2.81 | 20,000 | 56,200 | 2,119,144 | Aug 28, 2019, 05:59 PM |
| IPI | Exec. Chair, President & CEO | Aug 26, 2019 | Buy | $2.90 | 10,000 | 29,000 | 2,099,144 | Aug 28, 2019, 05:59 PM |
| IPI | Exec. Chair, President & CEO | Aug 23, 2019 | Buy | $3.05 | 5,000 | 15,250 | 18,309,236 | Aug 23, 2019, 07:07 PM |
| IPI | Exec. Chair, President & CEO | Aug 22, 2019 | Buy | $3.05 | 2,296 | 7,003 | 18,304,236 | Aug 22, 2019, 06:15 PM |
| IPI | Exec. Chair, President & CEO | May 30, 2019 | Buy | $3.10 | 3,695 | 11,454 | 18,301,940 | May 30, 2019, 05:58 PM |
| IPI | Exec. Chair, President & CEO | May 28, 2019 | Buy | $3.14 | 2,675 | 8,400 | 18,298,245 | May 28, 2019, 06:50 PM |
| IPI | Exec. Chair, President & CEO | May 24, 2019 | Buy | $3.11 | 15,000 | 46,650 | 18,295,570 | May 28, 2019, 06:50 PM |
| IPI | Exec. Chair, President & CEO | May 20, 2019 | Option Exercise | $3.27 | 500 | 1,635 | 18,280,570 | May 24, 2019, 05:14 PM |
| IPI | Exec. Chair, President & CEO | May 17, 2019 | Buy | $3.27 | 25,835 | 84,480 | 18,280,070 | May 17, 2019, 06:50 PM |
| IPI | Exec. Chair, President & CEO | Mar 22, 2019 | Buy | $3.67 | 13,900 | 51,013 | 18,254,235 | Mar 22, 2019, 07:36 PM |
| IPI | Exec. Chair, President & CEO | Sep 05, 2018 | Buy | $3.30 | 10,800 | 35,640 | 18,240,335 | Sep 05, 2018, 07:09 PM |
| IPI | Exec. Chair, President & CEO | Aug 15, 2018 | Buy | $3.24 | 10,000 | 32,400 | 18,229,535 | Aug 15, 2018, 09:33 PM |
| IPI | Exec. Chair, President & CEO | Aug 14, 2018 | Buy | $3.31 | 8,100 | 26,811 | 18,219,535 | Aug 14, 2018, 06:53 PM |
| IPI | Exec. Chair, President & CEO | Aug 13, 2018 | Buy | $3.36 | 6,900 | 23,184 | 18,211,435 | Aug 13, 2018, 07:32 PM |
| IPI | Exec. Chair, President & CEO | Aug 08, 2018 | Buy | $3.47 | 13,800 | 47,886 | 18,204,535 | Aug 08, 2018, 07:14 PM |
| IPI | Exec. Chair, President & CEO | Aug 07, 2018 | Buy | $3.40 | 20,000 | 68,000 | 18,191 | Aug 07, 2018, 07:35 PM |
| IPI | Exec. Chair, President & CEO | Mar 02, 2018 | Buy | $3.44 | 4,313 | 14,837 | 18,170,735 | Mar 05, 2018, 05:08 PM |
| IPI | Exec. Chair, President & CEO | Mar 01, 2018 | Buy | $3.30 | 15,900 | 52,470 | 18,166,422 | Mar 01, 2018, 07:26 PM |
| IPI | Exec. Chair, President & CEO | Dec 19, 2017 | Buy | $3.85 | 10,000 | 38,500 | 18,150,522 | Dec 19, 2017, 06:43 PM |
| IPI | Exec. Chair, President & CEO | Dec 15, 2017 | Buy | $3.75 | 5,000 | 18,750 | 18,140,522 | Dec 15, 2017, 07:10 PM |
| IPI | Exec. Chair, President & CEO | Dec 07, 2017 | Buy | $3.53 | 5,100 | 17,998 | 18,135,522 | Dec 07, 2017, 07:25 PM |
| IPI | Exec. Chair, President & CEO | Nov 20, 2017 | Buy | $3.55 | 5,000 | 17,730 | 18,130,422 | Nov 20, 2017, 09:19 PM |
| IPI | Exec. Chair, President & CEO | Aug 09, 2017 | Buy | $3.21 | 7,500 | 24,075 | 18,125,422 | Aug 09, 2017, 07:08 PM |
| IPI | Exec. Chair, President & CEO | Aug 07, 2017 | Buy | $3.31 | 20,000 | 66,200 | 18,117,922 | Aug 07, 2017, 06:42 PM |
| IPI | Exec. Chair, President & CEO | May 31, 2017 | Buy | $2.10 | 13,800 | 28,911 | 18,097,922 | Jun 01, 2017, 06:28 PM |
| IPI | Exec. Chair, President & CEO | May 22, 2017 | Buy | $2.30 | 50,000 | 114,800 | 18,084,122 | May 22, 2017, 07:20 PM |
| IPI | Exec. Chair, President & CEO | Mar 21, 2017 | Buy | $1.20 | 6,300,000 | 7,560,000 | 18,034,122 | Mar 23, 2017, 05:06 PM |
| IPI | Exec. Chair, President & CEO | Feb 25, 2017 | Option Exercise | $2.23 | 6,450 | 14,384 | 565,390 | Feb 28, 2017, 05:02 PM |
| IPI | Exec. Chair, President & CEO | Nov 04, 2016 | Buy | $1.09 | 47,210 | 51,459 | 11,734,122 | Nov 07, 2016, 04:39 PM |
| IPI | Exec. Chair, President & CEO | May 11, 2016 | Buy | $1.29 | 338,761 | 437,002 | 11,686,912 | May 11, 2016, 05:11 PM |
| IPI | Exec. Chair, President & CEO | Mar 03, 2016 | Buy | $0.96 | 248,000 | 238,973 | 11,297,898 | Mar 04, 2016, 05:20 PM |
| IPI | Exec. Chair, President & CEO | Mar 02, 2016 | Buy | $0.84 | 163,361 | 137,566 | 11,049,898 | Mar 04, 2016, 05:20 PM |
| IPI | Exec. Chair, President & CEO | Mar 04, 2016 | Buy | $1.03 | 50,253 | 51,715 | 11,348,151 | Mar 04, 2016, 05:20 PM |
| IPI | Exec. Chair, President & CEO | Feb 25, 2016 | Option Exercise | $2.12 | 10,311 | 21,859 | 109,863 | Feb 29, 2016, 04:09 PM |
| IPI | Exec. Chair, President & CEO | Oct 29, 2015 | Buy | $4.18 | 119,900 | 500,822 | 10,860,537 | Nov 02, 2015, 06:11 PM |
| IPI | Exec. Chair, President & CEO | Nov 02, 2015 | Buy | $3.83 | 15,000 | 57,438 | 10,886,537 | Nov 02, 2015, 06:11 PM |
| IPI | Exec. Chair, President & CEO | Oct 30, 2015 | Buy | $3.92 | 11,000 | 43,135 | 10,871,537 | Nov 02, 2015, 06:11 PM |
| IPI | Exec. Chair, President & CEO | Sep 23, 2015 | Buy | $5.87 | 39,968 | 234,772 | 10,740,637 | Sep 23, 2015, 06:53 PM |
| IPI | Exec. Chair, President & CEO | Sep 22, 2015 | Buy | $6.16 | 15,720 | 96,865 | 10,700,669 | Sep 22, 2015, 07:13 PM |
| IPI | Exec. Chair, President & CEO | Sep 18, 2015 | Buy | $6.86 | 35,000 | 240,100 | 10,674,949 | Sep 21, 2015, 06:56 PM |
| IPI | Exec. Chair, President & CEO | Sep 17, 2015 | Buy | $7.29 | 30,000 | 218,775 | 10,639,949 | Sep 21, 2015, 06:56 PM |
| IPI | Exec. Chair, President & CEO | Sep 21, 2015 | Buy | $6.57 | 10,000 | 65,689 | 10,684,949 | Sep 21, 2015, 06:56 PM |
| IPI | Exec. Chair, President & CEO | Feb 25, 2015 | Option Exercise | $14.28 | 11,748 | 167,761 | 118,476 | Feb 27, 2015, 04:19 PM |
| IPI | Executive Chairman of Board | May 15, 2013 | Buy | $17.35 | 10,000 | 173,500 | 10,609,949 | May 16, 2013, 04:10 PM |
| IPI | Executive Chairman of Board | May 14, 2013 | Buy | $17.53 | 10,000 | 175,261 | 10,599,949 | May 16, 2013, 04:10 PM |
| IPI | Executive Chairman of Board | Sep 17, 2012 | Sale | $23.91 | 48,251 | 1,153,681 | 10,597,749 | Sep 19, 2012, 05:30 PM |
| IPI | Executive Chairman of Board | Sep 18, 2012 | Sale | $23.76 | 7,800 | 185,328 | 10,589,949 | Sep 19, 2012, 05:30 PM |
| IPI | Executive Chairman of Board | Sep 06, 2012 | Sale | $22.86 | 75,000 | 1,714,500 | 10,646,000 | Sep 06, 2012, 07:33 PM |
| IPI | Executive Chairman of Board | Sep 05, 2012 | Sale | $22.41 | 125,000 | 2,801,250 | 10,721,000 | Sep 06, 2012, 07:33 PM |
| IPI | Executive Chairman of Board | Sep 04, 2012 | Sale | $22.01 | 50,000 | 1,100,500 | 10,846,000 | Sep 06, 2012, 07:33 PM |
| IPI | Executive Chairman of Board | May 11, 2012 | Sale | $21.15 | 200,000 | 4,230,000 | 10,896,000 | May 15, 2012, 05:59 PM |
| IPI | Executive Chairman of Board | Feb 04, 2012 | Option Exercise | $25.00 | 289 | 7,225 | 24,810 | Feb 07, 2012, 06:05 PM |
| IPI | Executive Chairman of Board | Sep 08, 2011 | Sale | $34.76 | 250,000 | 8,691,250 | 11,096,000 | Sep 12, 2011, 05:02 PM |
| IPI | Exec. Chairman of Board | Apr 26, 2011 | Sale | $34.40 | 20,100 | 691,440 | 11,346,000 | Apr 27, 2011, 06:13 PM |
| IPI | Exec. Chairman of Board | Apr 25, 2011 | Sale | $34.59 | 13,100 | 453,129 | 11,366,100 | Apr 27, 2011, 06:13 PM |
| IPI | Exec. Chairman of Board | Apr 21, 2011 | Sale | $34.67 | 71,357 | 2,473,947 | 11,379,200 | Apr 22, 2011, 06:01 PM |
| IPI | Exec. Chairman of Board | Apr 20, 2011 | Sale | $34.33 | 70,443 | 2,418,308 | 11,450,557 | Apr 22, 2011, 06:01 PM |
| IPI | Executive Chairman of Board | Nov 05, 2010 | Sale | $32.25 | 750,000 | 24,187,500 | 11,536,000 | Nov 09, 2010, 04:48 PM |
| IPI | Executive Chairman of Board | Aug 18, 2010 | Sale | $24.71 | 1,200,000 | 29,651,999 | 12,286,000 | Aug 20, 2010, 04:51 PM |
| IPI | Executive Chairman of Board | Aug 06, 2010 | Sale | $24.50 | 750,000 | 18,375,000 | 13,486,000 | Aug 10, 2010, 07:45 PM |
| Symbol | Relationship | Date | Transaction | Value($) |
| IPI | Executive Chairman & CEO | Apr 19, 2022 | Option Exercise | 792,441 |
| IPI | Executive Chairman & CEO | Apr 12, 2022 | Option Exercise | 322,328 |
| IPI | Executive Chairman & CEO | Mar 11, 2022 | Option Exercise | 1,059,952 |
| IPI | Exec. Chair, President & CEO | Jun 08, 2021 | Option Exercise | 172,870 |
| IPI | Exec. Chair, President & CEO | Mar 14, 2021 | Option Exercise | 127,499 |
| IPI | Exec. Chair, President & CEO | Dec 17, 2019 | Buy | 22,230 |
| IPI | Exec. Chair, President & CEO | Aug 28, 2019 | Buy | 27,170 |
| IPI | Exec. Chair, President & CEO | Aug 27, 2019 | Buy | 56,200 |
| IPI | Exec. Chair, President & CEO | Aug 26, 2019 | Buy | 29,000 |
| IPI | Exec. Chair, President & CEO | Aug 23, 2019 | Buy | 15,250 |
| IPI | Exec. Chair, President & CEO | Aug 22, 2019 | Buy | 7,003 |
| IPI | Exec. Chair, President & CEO | May 30, 2019 | Buy | 11,454 |
| IPI | Exec. Chair, President & CEO | May 28, 2019 | Buy | 8,400 |
| IPI | Exec. Chair, President & CEO | May 24, 2019 | Buy | 46,650 |
| IPI | Exec. Chair, President & CEO | May 20, 2019 | Option Exercise | 1,635 |
| IPI | Exec. Chair, President & CEO | May 17, 2019 | Buy | 84,480 |
| IPI | Exec. Chair, President & CEO | Mar 22, 2019 | Buy | 51,013 |
| IPI | Exec. Chair, President & CEO | Sep 05, 2018 | Buy | 35,640 |
| IPI | Exec. Chair, President & CEO | Aug 15, 2018 | Buy | 32,400 |
| IPI | Exec. Chair, President & CEO | Aug 14, 2018 | Buy | 26,811 |
| IPI | Exec. Chair, President & CEO | Aug 13, 2018 | Buy | 23,184 |
| IPI | Exec. Chair, President & CEO | Aug 08, 2018 | Buy | 47,886 |
| IPI | Exec. Chair, President & CEO | Aug 07, 2018 | Buy | 68,000 |
| IPI | Exec. Chair, President & CEO | Mar 02, 2018 | Buy | 14,837 |
| IPI | Exec. Chair, President & CEO | Mar 01, 2018 | Buy | 52,470 |
| IPI | Exec. Chair, President & CEO | Dec 19, 2017 | Buy | 38,500 |
| IPI | Exec. Chair, President & CEO | Dec 15, 2017 | Buy | 18,750 |
| IPI | Exec. Chair, President & CEO | Dec 07, 2017 | Buy | 17,998 |
| IPI | Exec. Chair, President & CEO | Nov 20, 2017 | Buy | 17,730 |
| IPI | Exec. Chair, President & CEO | Aug 09, 2017 | Buy | 24,075 |
| IPI | Exec. Chair, President & CEO | Aug 07, 2017 | Buy | 66,200 |
| IPI | Exec. Chair, President & CEO | May 31, 2017 | Buy | 28,911 |
| IPI | Exec. Chair, President & CEO | May 22, 2017 | Buy | 114,800 |
| IPI | Exec. Chair, President & CEO | Mar 21, 2017 | Buy | 7,560,000 |
| IPI | Exec. Chair, President & CEO | Feb 25, 2017 | Option Exercise | 14,384 |
| IPI | Exec. Chair, President & CEO | Nov 04, 2016 | Buy | 51,459 |
| IPI | Exec. Chair, President & CEO | May 11, 2016 | Buy | 437,002 |
| IPI | Exec. Chair, President & CEO | Mar 03, 2016 | Buy | 238,973 |
| IPI | Exec. Chair, President & CEO | Mar 02, 2016 | Buy | 137,566 |
| IPI | Exec. Chair, President & CEO | Mar 04, 2016 | Buy | 51,715 |
| IPI | Exec. Chair, President & CEO | Feb 25, 2016 | Option Exercise | 21,859 |
| IPI | Exec. Chair, President & CEO | Oct 29, 2015 | Buy | 500,822 |
| IPI | Exec. Chair, President & CEO | Nov 02, 2015 | Buy | 57,438 |
| IPI | Exec. Chair, President & CEO | Oct 30, 2015 | Buy | 43,135 |
| IPI | Exec. Chair, President & CEO | Sep 23, 2015 | Buy | 234,772 |
| IPI | Exec. Chair, President & CEO | Sep 22, 2015 | Buy | 96,865 |
| IPI | Exec. Chair, President & CEO | Sep 18, 2015 | Buy | 240,100 |
| IPI | Exec. Chair, President & CEO | Sep 17, 2015 | Buy | 218,775 |
| IPI | Exec. Chair, President & CEO | Sep 21, 2015 | Buy | 65,689 |
| IPI | Exec. Chair, President & CEO | Feb 25, 2015 | Option Exercise | 167,761 |
| IPI | Executive Chairman of Board | May 15, 2013 | Buy | 173,500 |
| IPI | Executive Chairman of Board | May 14, 2013 | Buy | 175,261 |
| IPI | Executive Chairman of Board | Sep 17, 2012 | Sale | 1,153,681 |
| IPI | Executive Chairman of Board | Sep 18, 2012 | Sale | 185,328 |
| IPI | Executive Chairman of Board | Sep 06, 2012 | Sale | 1,714,500 |
| IPI | Executive Chairman of Board | Sep 05, 2012 | Sale | 2,801,250 |
| IPI | Executive Chairman of Board | Sep 04, 2012 | Sale | 1,100,500 |
| IPI | Executive Chairman of Board | May 11, 2012 | Sale | 4,230,000 |
| IPI | Executive Chairman of Board | Feb 04, 2012 | Option Exercise | 7,225 |
| IPI | Executive Chairman of Board | Sep 08, 2011 | Sale | 8,691,250 |
| IPI | Exec. Chairman of Board | Apr 26, 2011 | Sale | 691,440 |
| IPI | Exec. Chairman of Board | Apr 25, 2011 | Sale | 453,129 |
| IPI | Exec. Chairman of Board | Apr 21, 2011 | Sale | 2,473,947 |
| IPI | Exec. Chairman of Board | Apr 20, 2011 | Sale | 2,418,308 |
| IPI | Executive Chairman of Board | Nov 05, 2010 | Sale | 24,187,500 |
| IPI | Executive Chairman of Board | Aug 18, 2010 | Sale | 29,651,999 |
| IPI | Executive Chairman of Board | Aug 06, 2010 | Sale | 18,375,000 |