Company · CIK 0001028215 · SIC 2800 — Chemicals & Allied Products
KMG CHEMICALS INC · KMG
Insider activity reported against this company. All insider holders · On EDGAR ↗
Reported at this company — common stock
| Trade | Reported (ET) | Insider | Shares | Avg price | Total | Owned after | Δ stake | Flags |
|---|---|---|---|---|---|---|---|---|
| Nov 9, 2017 SForm 4 → | Nov 13, 10:30 am EST | David L Hatcher10% Owner | 6,000 | $52.13 | $312,750 | 1,451,097 | −0.41% | plan? |
| Nov 6, 2017 SForm 4 → | Nov 8, 3:19 pm EST | David L Hatcher10% Owner | 9,000 | $52.57 | $473,100 | 1,457,097 | −0.61% | plan? |
| Nov 2, 2017 SForm 4 → | Nov 3, 5:04 pm EDT | David L Hatcher10% Owner | 6,000 | $55.09 | $330,540 | 1,466,097 | −0.41% | plan? |
| Nov 1, 2017 AFForm 4 → | Nov 3, 5:05 pm EDT | Jeffrey S HandelmanSR VP of Electronic Chemicals | 4,231 | $55.69 | $235,624 | 4,413 | — | plan? |
| Nov 1, 2017 AForm 4 → | Nov 3, 11:32 am EDT | Gerald G. ErmentroutDirector | 340 | $55.13 | $18,744 | 30,538 | — | plan? |
| Nov 1, 2017 AForm 4 → | Nov 3, 11:30 am EDT | George W GilmanDirector | 340 | $55.13 | $18,744 | 67,934 | — | plan? |
| Nov 1, 2017 AForm 4 → | Nov 3, 11:28 am EDT | John C Hunter IIIDirector | 340 | $55.13 | $18,744 | 18,601 | — | plan? |
| Nov 1, 2017 AForm 4 → | Nov 3, 11:27 am EDT | Fred C LeonardDirector | 340 | $55.13 | $18,744 | 463,376 | — | plan? |
| Nov 1, 2017 AForm 4 → | Nov 3, 11:26 am EDT | Robert HarrerDirector | 340 | $55.13 | $18,744 | 4,760 | — | plan? |
| Nov 1, 2017 AForm 4 → | Nov 3, 11:25 am EDT | Karen A. TwitchellDirector | 340 | $55.13 | $18,744 | 16,585 | — | plan? |
| Oct 30, 2017 SForm 4 → | Nov 1, 5:22 pm EDT | David L Hatcher10% Owner | 9,000 | $54.82 | $493,350 | 1,472,097 | −0.61% | plan? |
| Oct 25, 2017 SForm 4 → | Oct 27, 4:55 pm EDT | David L Hatcher10% Owner | 9,000 | $53.84 | $484,590 | 1,481,097 | −0.60% | plan? |
| Oct 19, 2017 SForm 4 → | Oct 24, 6:38 pm EDT | David L Hatcher10% Owner | 12,000 | $54.83 | $657,990 | 1,490,097 | −0.80% | plan? late |
| Oct 16, 2017 SForm 4 → | Oct 18, 1:40 pm EDT | David L Hatcher10% Owner | 9,000 | $56.22 | $505,980 | 1,502,097 | −0.60% | plan? |
| Oct 12, 2017 SForm 4 → | Oct 13, 4:04 pm EDT | David L Hatcher10% Owner | 6,000 | $54.77 | $328,590 | 1,511,097 | −0.40% | plan? |
| Oct 9, 2017 SForm 4 → | Oct 11, 4:03 pm EDT | David L Hatcher10% Owner | 9,000 | $54.05 | $486,420 | 1,517,097 | −0.59% | plan? |
| Oct 4, 2017 SForm 4 → | Oct 6, 2:16 pm EDT | David L Hatcher10% Owner | 9,000 | $53.83 | $484,500 | 1,526,097 | −0.59% | plan? |
| Sep 29, 2017 SForm 4 → | Oct 3, 4:07 pm EDT | David L Hatcher10% Owner | 9,000 | $54.81 | $493,320 | 1,535,097 | −0.58% | plan? |
| Sep 26, 2017 SForm 4 → | Sep 28, 1:08 pm EDT | David L Hatcher10% Owner | 9,000 | $52.71 | $474,420 | 1,544,097 | −0.58% | plan? |
| Sep 23, 2017 AForm 4 → | Sep 26, 5:21 pm EDT | Christopher T. FraserPresident and CEO, Director | 6,000 | $51.38 | $308,280 | 197,851 | — | plan? |
| Sep 21, 2017 SForm 4 → | Sep 25, 3:03 pm EDT | David L Hatcher10% Owner | 9,000 | $50.67 | $456,060 | 1,553,097 | −0.58% | plan? |
| Sep 18, 2017 SForm 4 → | Sep 20, 1:36 pm EDT | David L Hatcher10% Owner | 9,000 | $49.45 | $445,020 | 1,562,097 | −0.57% | plan? |
| Sep 13, 2017 SForm 4 → | Sep 15, 2:51 pm EDT | David L Hatcher10% Owner | 9,000 | $49.02 | $441,150 | 1,571,097 | −0.57% | plan? |
| Sep 8, 2017 SForm 4 → | Sep 12, 4:51 pm EDT | David L Hatcher10% Owner | 9,000 | $48.27 | $434,460 | 1,580,097 | −0.57% | plan? |
| Sep 5, 2017 SForm 4 → | Sep 7, 4:06 pm EDT | David L Hatcher10% Owner | 9,000 | $48.13 | $433,170 | 1,589,097 | −0.56% | plan? |
| Aug 31, 2017 SForm 4 → | Sep 1, 5:38 pm EDT | David L Hatcher10% Owner | 6,000 | $48.34 | $290,010 | 1,598,097 | −0.37% | plan? |
| Aug 28, 2017 SForm 4 → | Aug 30, 3:55 pm EDT | David L Hatcher10% Owner | 9,000 | $47.68 | $429,090 | 1,604,097 | −0.56% | plan? |
| Aug 24, 2017 SForm 4 → | Aug 25, 4:23 pm EDT | David L Hatcher10% Owner | 6,000 | $47.55 | $285,300 | 1,613,097 | −0.37% | plan? |
| Aug 21, 2017 SForm 4 → | Aug 23, 4:51 pm EDT | David L Hatcher10% Owner | 9,000 | $47.40 | $426,630 | 1,619,097 | −0.55% | plan? |
| Aug 17, 2017 SForm 4 → | Aug 18, 4:09 pm EDT | David L Hatcher10% Owner | 6,000 | $47.62 | $285,690 | 1,628,097 | −0.37% | plan? |
| Aug 14, 2017 SForm 4 → | Aug 16, 5:02 pm EDT | David L Hatcher10% Owner | 9,000 | $48.15 | $433,320 | 1,634,097 | −0.55% | plan? |
| Aug 10, 2017 SForm 4 → | Aug 11, 5:01 pm EDT | David L Hatcher10% Owner | 6,000 | $47.85 | $287,070 | 1,643,097 | −0.36% | plan? |
| Aug 7, 2017 SForm 4 → | Aug 9, 5:01 pm EDT | David L Hatcher10% Owner | 9,000 | $49.49 | $445,410 | 1,649,097 | −0.54% | plan? |
| Aug 2, 2017 SForm 4 → | Aug 4, 4:38 pm EDT | David L Hatcher10% Owner | 9,000 | $49.68 | $447,090 | 1,658,097 | −0.54% | plan? |
| Aug 1, 2017 AForm 4 → | Aug 2, 4:19 pm EDT | Gerald G. ErmentroutDirector | 370 | $50.62 | $18,729 | 30,198 | — | plan? |
| Aug 1, 2017 AForm 4 → | Aug 2, 4:18 pm EDT | Karen A. TwitchellDirector | 370 | $50.62 | $18,729 | 16,245 | — | plan? |
| Aug 1, 2017 AForm 4 → | Aug 2, 4:17 pm EDT | Fred C LeonardDirector | 370 | $50.62 | $18,729 | 463,036 | — | plan? |
| Aug 1, 2017 AForm 4 → | Aug 2, 4:17 pm EDT | John C Hunter IIIDirector | 370 | $50.62 | $18,729 | 18,261 | — | plan? |
| Aug 1, 2017 AForm 4 → | Aug 2, 4:16 pm EDT | Robert HarrerDirector | 370 | $50.62 | $18,729 | 4,420 | — | plan? |
| Aug 1, 2017 AForm 4 → | Aug 2, 4:15 pm EDT | George W GilmanDirector | 370 | $50.62 | $18,729 | 67,594 | — | plan? |
| Jul 31, 2017 AForm 4 → | Aug 2, 5:31 pm EDT | Marcelino RodriguezChief Financial Officer | 375 | $50.62 | $18,983 | 7,919 | — | plan? |
| Jul 31, 2017 AFForm 4 → | Aug 2, 5:29 pm EDT | Christopher T. FraserPresident and CEO, Director | 43,886 | $50.62 | $2,221,509 | 191,851 | — | plan? |
| Jul 31, 2017 AFForm 4 → | Aug 2, 5:28 pm EDT | Ernest C. Kremling IIVice President of Operations | 5,489 | $50.62 | $277,853 | 36,592 | — | plan? |
| Jul 31, 2017 AFForm 4 → | Aug 2, 5:28 pm EDT | Christopher W GonserVP of Human Resources | 3,642 | $50.62 | $184,358 | 33,595 | — | plan? |
| Jul 31, 2017 AForm 4 → | Aug 2, 5:24 pm EDT | Roger C JacksonVice President, Gen Counsel | 2,974 | $50.62 | $150,544 | 84,320 | — | plan? |
| Jul 31, 2017 SForm 4 → | Aug 2, 4:19 pm EDT | David L Hatcher10% Owner | 6,000 | $50.29 | $301,740 | 1,667,097 | −0.36% | plan? |
| Jul 27, 2017 SForm 4 → | Jul 28, 5:01 pm EDT | David L Hatcher10% Owner | 6,000 | $50.91 | $305,430 | 1,673,097 | −0.36% | plan? |
| Jul 24, 2017 SForm 4 → | Jul 26, 4:09 pm EDT | David L Hatcher10% Owner | 9,000 | $51.81 | $466,320 | 1,679,097 | −0.53% | plan? |
| Jul 20, 2017 SForm 4 → | Jul 21, 4:58 pm EDT | David L Hatcher10% Owner | 6,000 | $51.17 | $306,990 | 1,688,097 | −0.35% | plan? |
| Jul 17, 2017 SForm 4 → | Jul 19, 4:18 pm EDT | David L Hatcher10% Owner | 9,000 | $51.50 | $463,530 | 1,694,097 | −0.53% | plan? |
| Jul 13, 2017 SForm 4 → | Jul 14, 3:47 pm EDT | David L Hatcher10% Owner | 6,000 | $50.79 | $304,710 | 1,703,097 | −0.35% | plan? |
| Jul 10, 2017 SForm 4 → | Jul 12, 11:19 am EDT | David L Hatcher10% Owner | 9,000 | $49.82 | $448,350 | 1,709,097 | −0.52% | plan? |
| Jul 6, 2017 SForm 4 → | Jul 10, 10:43 am EDT | David L Hatcher10% Owner | 6,000 | $48.53 | $291,150 | 1,718,097 | −0.35% | plan? |
| Jul 3, 2017 SForm 4 → | Jul 5, 3:34 pm EDT | David L Hatcher10% Owner | 6,000 | $48.04 | $288,210 | 1,724,097 | −0.35% | plan? |
| Jun 28, 2017 SForm 4 → | Jun 30, 12:18 pm EDT | David L Hatcher10% Owner | 9,000 | $47.88 | $430,950 | 1,730,097 | −0.52% | plan? |
| Jun 26, 2017 SForm 4 → | Jun 27, 5:56 pm EDT | David L Hatcher10% Owner | 6,000 | $47.15 | $282,870 | 1,739,097 | −0.34% | plan? |
| Jun 22, 2017 PForm 4 → | Jun 23, 9:59 am EDT | Christopher T. FraserPresident and CEO, Director | 4,000 | $46.99 | $187,960 | 173,043 | +2.37% | plan? |
| Jun 21, 2017 SForm 4 → | Jun 23, 2:52 pm EDT | David L Hatcher10% Owner | 9,000 | $46.85 | $421,650 | 1,745,097 | −0.51% | plan? |
| Jun 16, 2017 PForm 4 → | Jun 21, 3:54 pm EDT | Jeffrey S HandelmanSR VP of Electronic Chemicals | 2,000 | $48.50 | $97,000 | 2,000 | — | plan? late |
| Jun 16, 2017 SForm 4 → | Jun 20, 3:43 pm EDT | David L Hatcher10% Owner | 9,000 | $48.64 | $437,756 | 1,754,097 | −0.51% | plan? |
| Jun 15, 2017 SForm 4 → | Jun 15, 2:04 pm EDT | David L Hatcher10% Owner | 3,000 | $48.89 | $146,670 | 1,763,097 | −0.17% | plan? |
| Jun 13, 2017 SForm 4 → | Jun 14, 3:19 pm EDT | David L Hatcher10% Owner | 6,000 | $51.87 | $311,220 | 1,766,097 | −0.34% | plan? |
| May 18, 2017 SForm 4 → | May 22, 11:36 am EDT | David L Hatcher10% Owner | 6,000 | $56.00 | $336,000 | 1,775,097 | −0.34% | plan? |
| May 15, 2017 SForm 4 → | May 17, 3:52 pm EDT | David L Hatcher10% Owner | 9,000 | $56.68 | $510,120 | 1,781,097 | −0.50% | plan? |
| May 11, 2017 SForm 4 → | May 12, 1:13 pm EDT | David L Hatcher10% Owner | 6,000 | $56.01 | $336,060 | 1,790,097 | −0.33% | plan? |
| May 8, 2017 SForm 4 → | May 10, 12:22 pm EDT | David L Hatcher10% Owner | 9,000 | $54.35 | $489,150 | 1,796,097 | −0.50% | plan? |
| May 4, 2017 SForm 4 → | May 5, 4:17 pm EDT | David L Hatcher10% Owner | 6,000 | $54.02 | $324,120 | 1,805,097 | −0.33% | plan? |
| May 1, 2017 SForm 4 → | May 3, 4:11 pm EDT | David L Hatcher10% Owner | 9,000 | $54.53 | $490,740 | 1,811,097 | −0.49% | plan? |
| Apr 28, 2017 AForm 4 → | May 4, 6:04 pm EDT | Fred C LeonardDirector | 356 | $52.55 | $18,708 | 462,666 | — | plan? late |
| Apr 28, 2017 AForm 4 → | May 4, 6:04 pm EDT | John C Hunter IIIDirector | 356 | $52.55 | $18,708 | 17,891 | — | plan? late |
| Apr 28, 2017 AForm 4 → | May 4, 6:04 pm EDT | Robert HarrerDirector | 356 | $52.55 | $18,708 | 4,050 | — | plan? late |
| Apr 28, 2017 AForm 4 → | May 4, 6:04 pm EDT | George W GilmanDirector | 356 | $52.55 | $18,708 | 67,224 | — | plan? late |
| Apr 28, 2017 AForm 4 → | May 4, 6:01 pm EDT | Karen A. TwitchellDirector | 356 | $52.55 | $18,708 | 15,875 | — | plan? late |
| Apr 28, 2017 AForm 4 → | May 4, 6:00 pm EDT | Gerald G. ErmentroutDirector | 356 | $52.55 | $18,708 | 29,828 | — | plan? late |
| Apr 28, 2017 SForm 4 → | Apr 28, 4:36 pm EDT | David L Hatcher10% Owner | 3,000 | $52.27 | $156,810 | 1,820,097 | −0.16% | plan? |
| Apr 25, 2017 SForm 4 → | Apr 27, 4:13 pm EDT | David L Hatcher10% Owner | 9,000 | $48.97 | $440,700 | 1,823,097 | −0.49% | plan? |
| Apr 20, 2017 SForm 4 → | Apr 24, 3:46 pm EDT | David L Hatcher10% Owner | 9,000 | $44.57 | $401,160 | 1,832,097 | −0.49% | plan? |
| Apr 17, 2017 SForm 4 → | Apr 19, 2:34 pm EDT | David L Hatcher10% Owner | 9,000 | $43.20 | $388,830 | 1,841,097 | −0.49% | plan? |
| Apr 11, 2017 SForm 4 → | Apr 13, 3:53 pm EDT | David L Hatcher10% Owner | 9,000 | $43.40 | $390,630 | 1,850,097 | −0.48% | plan? |
| Apr 7, 2017 SForm 4 → | Apr 10, 3:28 pm EDT | David L Hatcher10% Owner | 6,000 | $44.91 | $269,430 | 1,859,097 | −0.32% | plan? |
| Apr 6, 2017 SForm 4 → | Apr 6, 2:32 pm EDT | David L Hatcher10% Owner | 3,000 | $43.12 | $129,360 | 1,865,097 | −0.16% | plan? |
| Apr 3, 2017 SForm 4 → | Apr 5, 4:47 pm EDT | David L Hatcher10% Owner | 9,000 | $44.96 | $404,610 | 1,868,097 | −0.48% | plan? |
| Mar 29, 2017 GForm 4 → | Mar 31, 12:51 pm EDT | Fred C LeonardDirector | 24,000 | $43.56 | $1,045,440 | 462,310 | — | plan? |
| Mar 29, 2017 SForm 4 → | Mar 31, 12:49 pm EDT | David L Hatcher10% Owner | 9,000 | $43.59 | $392,340 | 1,877,097 | −0.48% | plan? |
| Mar 28, 2017 SForm 4 → | Mar 29, 2:53 pm EDT | Andrew C LauVP of KMG Electronic Chemicals | 9,926 | $43.10 | $427,811 | 1 | −100.0% | plan? |
| Mar 27, 2017 SForm 4 → | Mar 28, 4:27 pm EDT | David L Hatcher10% Owner | 6,000 | $42.56 | $255,330 | 1,886,097 | −0.32% | plan? |
| Mar 22, 2017 SForm 4 → | Mar 24, 2:42 pm EDT | David L Hatcher10% Owner | 9,000 | $41.56 | $374,010 | 1,892,097 | −0.47% | plan? |
| Mar 17, 2017 SForm 4 → | Mar 21, 4:35 pm EDT | Karen A. TwitchellDirector | 6,000 | $43.51 | $261,060 | 15,519 | −27.9% | plan? |
| Mar 17, 2017 SForm 4 → | Mar 21, 4:34 pm EDT | David L Hatcher10% Owner | 9,000 | $42.79 | $385,110 | 1,901,097 | −0.47% | plan? |
| Mar 17, 2017 SForm 4 → | Mar 21, 4:33 pm EDT | Christopher W GonserVP of Human Resources | 3,100 | $43.08 | $133,543 | 31,403 | −8.98% | plan? |
| Mar 16, 2017 SForm 4 → | Mar 16, 6:15 pm EDT | David L Hatcher10% Owner | 3,000 | $43.15 | $129,450 | 1,910,097 | −0.16% | plan? |
| Mar 16, 2017 SForm 4 → | Mar 16, 6:14 pm EDT | Ernest C. Kremling IIVice President of Operations | 1,850 | $42.85 | $79,273 | 33,299 | −5.26% | plan? |
| Mar 14, 2017 SForm 4 → | Mar 15, 5:22 pm EDT | David L Hatcher10% Owner | 6,000 | $42.95 | $257,700 | 1,913,097 | −0.31% | plan? |
| Jan 31, 2017 AForm 4 → | Feb 2, 6:00 pm EST | James GentilcoreDirector | 339 | $36.86 | $12,496 | 11,668 | — | plan? |
| Jan 31, 2017 AForm 4 → | Feb 2, 4:24 pm EST | Gerald G. ErmentroutDirector | 508 | $36.86 | $18,725 | 29,472 | — | plan? |
| Jan 31, 2017 AForm 4 → | Feb 2, 4:23 pm EST | George W GilmanDirector | 508 | $36.86 | $18,725 | 66,868 | — | plan? |
| Jan 31, 2017 AForm 4 → | Feb 2, 4:23 pm EST | Robert HarrerDirector | 508 | $36.86 | $18,725 | 3,694 | — | plan? |
| Jan 31, 2017 AForm 4 → | Feb 2, 4:22 pm EST | John C Hunter IIIDirector | 508 | $36.86 | $18,725 | 17,535 | — | plan? |
| Jan 31, 2017 AForm 4 → | Feb 2, 4:21 pm EST | Fred C LeonardDirector | 508 | $36.86 | $18,725 | 486,310 | — | plan? |
| Jan 31, 2017 AForm 4 → | Feb 2, 4:20 pm EST | Karen A. TwitchellDirector | 508 | $36.86 | $18,725 | 21,519 | — | plan? |
Reported at this company — derivatives (options, RSUs, warrants)
| Trade | Reported (ET) | Insider | Shares | Avg price | Total | Owned after | Δ stake | Flags |
|---|---|---|---|---|---|---|---|---|
| Nov 15, 2018 DForm 4 → | Nov 16, 6:16 pm EST | Ernest C. Kremling IIVice President of Operations | 3 | — | — | 0 | — | |
| Nov 15, 2018 DForm 4 → | Nov 16, 6:12 pm EST | Roger C JacksonVice President, Gen Counsel | 2 | — | — | 0 | — | |
| Nov 15, 2018 AForm 4 → | Nov 16, 6:10 pm EST | Jeffrey S HandelmanSR VP of Electronic Chemicals | 2 | — | — | 0 | — | |
| Nov 15, 2018 DForm 4 → | Nov 16, 6:09 pm EST | Marvin T. Green IIIChief Financial Officer | 5 | — | — | 0 | — | |
| Nov 15, 2018 DForm 4 → | Nov 16, 6:07 pm EST | Christopher T. FraserPresident and CEO, Director | 5 | — | — | 0 | — | |
| Nov 15, 2018 DForm 4 → | Nov 16, 5:53 pm EST | Christopher W GonserVP of Human Resources | 2 | — | — | 0 | — | |
| Oct 31, 2018 MForm 4 → | Nov 2, 8:38 pm EDT | Christopher T. FraserPresident and CEO, Director | 2 | — | — | 2 | — | |
| Oct 31, 2018 MForm 4 → | Nov 2, 8:37 pm EDT | Marvin T. Green IIIChief Financial Officer | 2 | — | — | 2 | — | |
| Oct 31, 2018 MForm 4 → | Nov 2, 8:36 pm EDT | Ernest C. Kremling IIVice President of Operations | 2 | $75.02 | $150 | 2 | — | |
| Oct 31, 2018 MForm 4 → | Nov 2, 8:35 pm EDT | Jeffrey S HandelmanSR VP of Electronic Chemicals | 1 | $75.02 | $75 | 0 | — | amended |
| Oct 31, 2018 MForm 4 → | Nov 2, 8:34 pm EDT | Christopher W GonserVP of Human Resources | 2 | — | — | 2 | — | amended |
| Oct 31, 2018 MForm 4 → | Nov 2, 8:32 pm EDT | Roger C JacksonVice President, Gen Counsel | 2 | — | — | 2 | — | amended |
| Oct 22, 2018 AForm 4 → | Oct 24, 10:36 am EDT | Ernest C. Kremling IIVice President of Operations | 1 | — | — | 1 | — | |
| Oct 22, 2018 AForm 4 → | Oct 24, 10:25 am EDT | Marvin T. Green IIIChief Financial Officer | 1 | — | — | 1 | — | |
| Oct 22, 2018 AForm 4 → | Oct 24, 10:23 am EDT | Christopher T. FraserPresident and CEO, Director | 1 | — | — | 1 | — | |
| Sep 24, 2018 MForm 4 → | Sep 26, 6:24 pm EDT | Christopher T. FraserPresident and CEO, Director | 1 | — | — | 9 | — | |
| Jul 31, 2018 MForm 4/A → | Sep 26, 6:24 pm EDT | Christopher T. FraserPresident and CEO, Director | 4 | — | — | 7 | — | |
| Jul 31, 2018 MForm 4/A → | Sep 26, 6:23 pm EDT | Marvin T. Green IIIChief Financial Officer | 2 | — | — | 5 | — | |
| Jul 31, 2018 MForm 4 → | Aug 2, 9:19 pm EDT | Christopher T. FraserPresident and CEO, Director | 4 | — | — | 5 | — | amended |
| Jul 31, 2018 MForm 4 → | Aug 2, 9:18 pm EDT | Marvin T. Green IIIChief Financial Officer | 2 | — | — | 5 | — | amended |
| Mar 6, 2018 AForm 4 → | Apr 9, 4:11 pm EDT | Marvin T. Green IIIChief Financial Officer | 6 | — | — | 7 | — | late |
| Dec 5, 2017 AForm 4 → | Dec 6, 5:45 pm EST | Ernest C. Kremling IIVice President of Operations | 1 | — | — | 3 | — | |
| Dec 4, 2017 AForm 4 → | Dec 6, 5:45 pm EST | Marcelino RodriguezChief Financial Officer | 1 | — | — | 2 | — | |
| Dec 4, 2017 AForm 4 → | Dec 6, 5:45 pm EST | Jeffrey S HandelmanSR VP of Electronic Chemicals | 1 | — | — | 2 | — | |
| Dec 4, 2017 AForm 4 → | Dec 6, 5:44 pm EST | Christopher W GonserVP of Human Resources | 1 | — | — | 2 | — | |
| Dec 4, 2017 AForm 4 → | Dec 6, 5:44 pm EST | Roger C JacksonVice President, Gen Counsel | 1 | — | — | 2 | — | |
| Dec 4, 2017 AForm 4 → | Dec 6, 5:43 pm EST | Christopher T. FraserPresident and CEO, Director | 3 | — | — | 1 | — | |
| Nov 10, 2017 MForm 4 → | Nov 13, 10:19 am EST | Marcelino RodriguezChief Financial Officer | 1 | — | — | 1 | — | |
| Nov 10, 2017 MForm 4 → | Nov 13, 10:18 am EST | Ernest C. Kremling IIVice President of Operations | 1 | — | — | 1 | — | |
| Nov 10, 2017 MForm 4 → | Nov 13, 10:18 am EST | Roger C JacksonVice President, Gen Counsel | 1 | — | — | 1 | — | |
| Nov 10, 2017 MForm 4 → | Nov 13, 10:18 am EST | Christopher W GonserVP of Human Resources | 1 | — | — | 1 | — | |
| Nov 10, 2017 MForm 4 → | Nov 13, 10:17 am EST | Christopher T. FraserPresident and CEO, Director | 1 | — | — | 1 | — | |
| Sep 23, 2017 MForm 4 → | Sep 26, 5:21 pm EDT | Christopher T. FraserPresident and CEO, Director | 1 | — | — | 5 | — | |
| Jul 31, 2017 MForm 4 → | Aug 2, 5:31 pm EDT | Marcelino RodriguezChief Financial Officer | 1 | — | — | 1 | — | |
| Oct 21, 2016 AMForm 4/A → | Dec 6, 4:54 pm EST | Ernest C. Kremling IIVice President of Operations | 2 | — | — | 3 | — | |
| Oct 21, 2016 AMForm 4/A → | Dec 6, 4:53 pm EST | Andrew C LauVP of KMG Electronic Chemicals | 2 | — | — | 3 | — | |
| Oct 21, 2016 AMForm 4 → | Oct 25, 4:50 pm EDT | Ernest C. Kremling IIVice President of Operations | 2 | — | — | 3 | — | amended |
| Oct 21, 2016 AMForm 4 → | Oct 25, 4:04 pm EDT | Christopher T. FraserPresident and CEO, Director | 4 | — | — | 1 | — | |
| Oct 21, 2016 AMForm 4 → | Oct 25, 4:04 pm EDT | Christopher W GonserVP of Human Resources | 2 | — | — | 3 | — | |
| Oct 21, 2016 AMForm 4 → | Oct 25, 4:03 pm EDT | Marcelino RodriguezChief Financial Officer | 2 | — | — | 1 | — | |
| Oct 21, 2016 AMForm 4 → | Oct 25, 4:02 pm EDT | Andrew C LauVP of KMG Electronic Chemicals | 2 | — | — | 3 | — | amended |
| Oct 21, 2016 AMForm 4 → | Oct 25, 4:00 pm EDT | Roger C JacksonVice President, Gen Counsel | 2 | — | — | 3 | — | |
| Sep 24, 2016 MForm 4 → | Sep 26, 6:13 pm EDT | Christopher T. FraserPresident and CEO, Director | 1 | — | — | 7 | — | |
| Aug 5, 2016 DForm 4 → | Aug 8, 10:33 am EDT | Christopher T. FraserPresident and CEO, Director | 2 | — | — | 1 | — | |
| Feb 25, 2016 MForm 4 → | Feb 26, 4:08 pm EST | Ernest C. Kremling IIVice President of Operations | 3,300 | — | — | 2 | — | |
| Jan 29, 2016 AForm 4 → | Feb 2, 5:04 pm EST | Roger C JacksonVice President, Gen Counsel | 2 | — | — | 3 | — | |
| Jan 29, 2016 AForm 4 → | Feb 2, 5:03 pm EST | Christopher W GonserVP of Human Resources | 2 | — | — | 3 | — | |
| Jan 29, 2016 AForm 4 → | Feb 2, 5:01 pm EST | Ernest C. Kremling IIVice President of Operations | 2 | — | — | 3 | — | |
| Jan 29, 2016 AForm 4 → | Feb 2, 5:00 pm EST | Andrew C LauVP of KMG Electronic Chemicals | 2 | — | — | 3 | — | |
| Jan 29, 2016 AForm 4 → | Feb 2, 4:58 pm EST | Christopher T. FraserPresident and CEO, Director | 3 | — | — | 3 | — | |
| Jan 29, 2016 AForm 4 → | Feb 2, 4:57 pm EST | Malinda G PassmoreVP and CFO | 2 | — | — | 3 | — | |
| Dec 11, 2015 AForm 4 → | Dec 15, 5:19 pm EST | Christopher T. FraserPresident and CEO, Director | 2 | — | — | 2 | — | |
| Oct 14, 2015 AForm 4 → | Oct 16, 1:21 pm EDT | Christopher T. FraserPresident and CEO, Director | 1 | — | — | 5 | — | |
| Oct 1, 2015 DForm 4 → | Oct 5, 4:46 pm EDT | Christopher T. FraserPresident and CEO, Director | 2 | — | — | 0 | — | |
| May 29, 2015 CForm 4 → | Jun 2, 4:16 pm EDT | Andrew C LauVP of KMG Electronic Chemicals | 1,500 | — | — | 1 | — | |
| Feb 25, 2015 MForm 4 → | Feb 27, 4:43 pm EST | Ernest C. Kremling IIVice President of Operations | 1 | — | — | 2 | — | |
| Jan 27, 2015 DForm 4 → | Jan 29, 5:00 pm EST | Malinda G PassmoreVP and CFO | 1 | — | — | 2 | — | amended |
| Dec 9, 2014 MForm 4 → | Aug 2, 2017, 5:29 pm EDT | Christopher T. FraserPresident and CEO, Director | 3 | — | — | 6 | — | late |
| Dec 9, 2014 MForm 4 → | Aug 2, 2017, 5:28 pm EDT | Ernest C. Kremling IIVice President of Operations | 1 | — | — | 1 | — | late |
| Dec 9, 2014 MForm 4 → | Aug 2, 2017, 5:28 pm EDT | Christopher W GonserVP of Human Resources | 1 | — | — | 1 | — | late |
| Dec 9, 2014 MForm 4 → | Aug 2, 2017, 5:24 pm EDT | Roger C JacksonVice President, Gen Counsel | 1 | — | — | 0 | — | late |
| Dec 9, 2014 PForm 4 → | Sep 28, 2015, 5:27 pm EDT | Christopher T. FraserPresident and CEO, Director | 1 | — | — | 4 | — | late |
| Feb 25, 2014 MForm 4/A → | Feb 7, 2017, 12:01 pm EST | Christopher W GonserVP of Human Resources | 1 | — | — | 0 | — | |
| Feb 25, 2014 MForm 4 → | Dec 6, 2016, 5:12 pm EST | Christopher W GonserVP of Human Resources | 1 | — | — | 0 | — | late |