| Symbol | Relationship | Date | Transaction | Cost | # Shares | Value($) | Total Shares | Form 4 |
| POWI | Director | Aug 11, 2022 | Sale | $80.55 | 9,845 | 793,015 | 45,045 | Aug 16, 2022, 05:53 PM |
| POWI | Director | Dec 01, 2020 | Option Exercise | $19.75 | 16,000 | 316,000 | 67,726 | Dec 03, 2020, 07:36 PM |
| POWI | Director | Dec 01, 2020 | Sale | $72.71 | 16,000 | 1,163,352 | 51,726 | Dec 03, 2020, 07:36 PM |
| POWI | Director | May 12, 2020 | Option Exercise | $32.26 | 8,000 | 258,080 | 32,828 | May 14, 2020, 01:43 PM |
| POWI | Director | May 12, 2020 | Sale | $107.24 | 8,000 | 857,946 | 24,828 | May 14, 2020, 01:43 PM |
| IPHI | Director | Nov 18, 2019 | Sale | $72.89 | 2,741 | 199,784 | 33,684 | Nov 20, 2019, 12:12 PM |
| POWI | Director | Oct 30, 2019 | Sale | $92.12 | 2,130 | 196,209 | 24,828 | Nov 01, 2019, 04:47 PM |
| POWI | Director | Nov 01, 2018 | Option Exercise | $23.44 | 8,000 | 187,540 | 31,458 | Nov 05, 2018, 12:41 PM |
| POWI | Director | Nov 01, 2018 | Sale | $57.24 | 8,000 | 457,919 | 25,458 | Nov 05, 2018, 12:41 PM |
| POWI | Director | Jun 13, 2018 | Option Exercise | $22.61 | 4,166 | 94,209 | 26,275 | Jun 14, 2018, 04:02 PM |
| POWI | Director | Jun 13, 2018 | Sale | $80.00 | 4,166 | 333,280 | 24,109 | Jun 14, 2018, 04:02 PM |
| IPHI | Director | May 25, 2018 | Option Exercise | $34.02 | 5,144 | 174,999 | 32,405 | May 30, 2018, 05:11 PM |
| POWI | Director | Jul 19, 2017 | Option Exercise | $25.48 | 4,000 | 101,920 | 28,109 | Jul 21, 2017, 01:02 PM |
| POWI | Director | Jul 19, 2017 | Sale | $80.00 | 4,000 | 320,000 | 24,109 | Jul 21, 2017, 01:02 PM |
| POWI | Director | Jun 26, 2017 | Option Exercise | $25.48 | 2,000 | 50,960 | 24,710 | Jun 28, 2017, 04:55 PM |
| POWI | Director | Jun 27, 2017 | Option Exercise | $25.48 | 4,000 | 101,920 | 26,710 | Jun 28, 2017, 04:55 PM |
| POWI | Director | Jun 26, 2017 | Sale | $73.00 | 2,000 | 146,000 | 22,710 | Jun 28, 2017, 04:55 PM |
| POWI | Director | Jun 27, 2017 | Sale | $75.00 | 4,000 | 300,000 | 22,710 | Jun 28, 2017, 04:55 PM |
| IPHI | Director | May 26, 2017 | Option Exercise | $40.56 | 3,328 | 134,984 | 27,261 | May 31, 2017, 11:41 AM |
| POWI | Director | May 24, 2016 | Option Exercise | $22.68 | 4,000 | 90,720 | 24,714 | May 25, 2016, 03:12 PM |
| POWI | Director | May 24, 2016 | Sale | $50.00 | 4,000 | 200,000 | 20,714 | May 25, 2016, 03:12 PM |
| POWI | Director | Mar 07, 2016 | Option Exercise | $22.68 | 6,000 | 136,080 | 26,714 | Mar 08, 2016, 06:40 PM |
| POWI | Director | Mar 07, 2016 | Sale | $48.23 | 6,000 | 289,387 | 20,714 | Mar 08, 2016, 06:40 PM |
| POWI | Director | Mar 20, 2015 | Option Exercise | $26.49 | 3,334 | 88,318 | 21,810 | Mar 24, 2015, 01:42 PM |
| POWI | Director | Mar 20, 2015 | Sale | $57.52 | 3,334 | 191,772 | 18,476 | Mar 24, 2015, 01:42 PM |
| POWI | Director | Mar 05, 2015 | Option Exercise | $26.49 | 3,333 | 88,291 | 21,809 | Mar 09, 2015, 01:30 PM |
| POWI | Director | Mar 05, 2015 | Sale | $56.50 | 3,333 | 188,315 | 18,476 | Mar 09, 2015, 01:30 PM |
| POWI | Director | Mar 02, 2015 | Option Exercise | $26.49 | 3,333 | 88,291 | 21,809 | Mar 03, 2015, 11:57 AM |
| POWI | Director | Mar 02, 2015 | Sale | $56.00 | 3,333 | 186,648 | 18,476 | Mar 03, 2015, 11:57 AM |
| POWI | Director | Jan 09, 2015 | Option Exercise | $18.30 | 5,000 | 91,500 | 18,476 | Jan 12, 2015, 04:14 PM |
| POWI | Director | Aug 04, 2014 | Option Exercise | $18.30 | 5,000 | 91,500 | 18,476 | Aug 05, 2014, 06:06 PM |
| POWI | Director | Aug 04, 2014 | Sale | $55.03 | 5,000 | 275,152 | 13,476 | Aug 05, 2014, 06:06 PM |
| POWI | Director | Feb 19, 2014 | Sale | $59.48 | 9,352 | 556,260 | 11,781 | Feb 20, 2014, 08:23 PM |
| POWI | Director | Jan 30, 2014 | Option Exercise | $33.85 | 10,000 | 338,500 | 21,133 | Feb 03, 2014, 07:31 PM |
| POWI | Director | Feb 28, 2012 | Sale | $37.82 | 16,000 | 605,072 | 6,070 | Feb 29, 2012, 04:13 PM |
| POWI | Director | Dec 28, 2011 | Option Exercise | $23.49 | 15,834 | 371,973 | 22,070 | Jan 03, 2012, 08:43 PM |
| POWI | Director | Nov 30, 2010 | Sale | $39.68 | 1,500 | 59,520 | 6,236 | Dec 01, 2010, 10:52 AM |
| Symbol | Relationship | Date | Transaction | Value($) |
| POWI | Director | Aug 11, 2022 | Sale | 793,015 |
| POWI | Director | Dec 01, 2020 | Option Exercise | 316,000 |
| POWI | Director | Dec 01, 2020 | Sale | 1,163,352 |
| POWI | Director | May 12, 2020 | Option Exercise | 258,080 |
| POWI | Director | May 12, 2020 | Sale | 857,946 |
| IPHI | Director | Nov 18, 2019 | Sale | 199,784 |
| POWI | Director | Oct 30, 2019 | Sale | 196,209 |
| POWI | Director | Nov 01, 2018 | Option Exercise | 187,540 |
| POWI | Director | Nov 01, 2018 | Sale | 457,919 |
| POWI | Director | Jun 13, 2018 | Option Exercise | 94,209 |
| POWI | Director | Jun 13, 2018 | Sale | 333,280 |
| IPHI | Director | May 25, 2018 | Option Exercise | 174,999 |
| POWI | Director | Jul 19, 2017 | Option Exercise | 101,920 |
| POWI | Director | Jul 19, 2017 | Sale | 320,000 |
| POWI | Director | Jun 26, 2017 | Option Exercise | 50,960 |
| POWI | Director | Jun 27, 2017 | Option Exercise | 101,920 |
| POWI | Director | Jun 26, 2017 | Sale | 146,000 |
| POWI | Director | Jun 27, 2017 | Sale | 300,000 |
| IPHI | Director | May 26, 2017 | Option Exercise | 134,984 |
| POWI | Director | May 24, 2016 | Option Exercise | 90,720 |
| POWI | Director | May 24, 2016 | Sale | 200,000 |
| POWI | Director | Mar 07, 2016 | Option Exercise | 136,080 |
| POWI | Director | Mar 07, 2016 | Sale | 289,387 |
| POWI | Director | Mar 20, 2015 | Option Exercise | 88,318 |
| POWI | Director | Mar 20, 2015 | Sale | 191,772 |
| POWI | Director | Mar 05, 2015 | Option Exercise | 88,291 |
| POWI | Director | Mar 05, 2015 | Sale | 188,315 |
| POWI | Director | Mar 02, 2015 | Option Exercise | 88,291 |
| POWI | Director | Mar 02, 2015 | Sale | 186,648 |
| POWI | Director | Jan 09, 2015 | Option Exercise | 91,500 |
| POWI | Director | Aug 04, 2014 | Option Exercise | 91,500 |
| POWI | Director | Aug 04, 2014 | Sale | 275,152 |
| POWI | Director | Feb 19, 2014 | Sale | 556,260 |
| POWI | Director | Jan 30, 2014 | Option Exercise | 338,500 |
| POWI | Director | Feb 28, 2012 | Sale | 605,072 |
| POWI | Director | Dec 28, 2011 | Option Exercise | 371,973 |
| POWI | Director | Nov 30, 2010 | Sale | 59,520 |