Form4insider filings, from the source

Company · CIK 0000319201 · SIC 3827 — Optical Instruments & Lenses · Nasdaq

KLA CORP · KLAC

Insider activity reported against this company. All insider holders · On EDGAR ↗

1M3M6M1Y2YAll datashares as filed — not split-adjusted
Open-market buys & salesbuys $37k · 2sales $138.8M · 158net −$138.8M
$10k$10k$1M$1M$100M$100MbuyssalesJan 2015Dec 2016Nov 2018Nov 2020Oct 2022Oct 2024Sep 2026

Reported at this company — common stock

TradeReported (ET)InsiderSharesAvg priceTotalOwned afterΔ stakeFlags
Sep 15, 2026 SForm 4 →Sep 16, 4:05 pm EDTRichard P WallacePresident and CEO72,019$171.88$12,378,626706,925−9.25%10b5-1
Aug 13, 2026 SForm 4 →Aug 14, 4:05 pm EDTBrian LorigEVP, KLA Global Services59,586$208.13$12,401,63477,681−43.4%10b5-1
Aug 12, 2026 SForm 4 →Aug 13, 4:05 pm EDTBren D. HigginsEVP & Chief Financial Officer31,500$209.87$6,610,905307,815−9.28%10b5-1
Aug 11, 2026 SForm 4 →Aug 12, 4:05 pm EDTAhmad A. KhanPresident, Semi. Prod. & Cust.33,180$198.95$6,601,161238,045−12.2%10b5-1
Aug 11, 2026 SForm 4 →Aug 12, 4:05 pm EDTRichard P WallacePresident and CEO87,568$198.95$17,421,654778,944−10.1%10b5-1
Aug 10, 2026 SForm 4 →Aug 11, 4:05 pm EDTVirendra A KirloskarSVP & Chief Accounting Officer529$204.56$108,21213,242−3.84%10b5-1
Aug 10, 2026 SForm 4 →Aug 11, 4:05 pm EDTMary Beth WilkinsonEVP, CLO and Secretary1,661$204.56$339,77437,032−4.29%10b5-1
Aug 7, 2026 FForm 4 →Aug 10, 4:05 pm EDTRichard P WallacePresident and CEO12,762$193.22$2,465,853866,512—
Aug 7, 2026 FForm 4 →Aug 10, 4:05 pm EDTBrian LorigEVP, KLA Global Services2,876$193.22$555,631137,267—
Aug 7, 2026 SForm 4 →Aug 10, 4:05 pm EDTMary Beth WilkinsonEVP, CLO and Secretary21,831$197.57$4,313,15138,693−36.1%10b5-1
Aug 7, 2026 FForm 4 →Aug 10, 4:05 pm EDTMary Beth WilkinsonEVP, CLO and Secretary1,208$193.22$233,46260,524—10b5-1
Aug 7, 2026 FForm 4 →Aug 10, 4:05 pm EDTAhmad A. KhanPresident, Semi. Prod. & Cust.4,532$193.22$875,598271,225—
Aug 7, 2026 FForm 4 →Aug 10, 4:05 pm EDTBren D. HigginsEVP & Chief Financial Officer4,532$193.22$875,598339,315—
Aug 7, 2026 SForm 4 →Aug 10, 4:05 pm EDTVirendra A KirloskarSVP & Chief Accounting Officer2,405$197.57$475,15613,771−14.9%10b5-1
Aug 7, 2026 FForm 4 →Aug 10, 4:05 pm EDTVirendra A KirloskarSVP & Chief Accounting Officer521$193.22$100,58916,176—10b5-1
Aug 6, 2026 AFForm 4 →Aug 7, 4:05 pm EDTRichard P WallacePresident and CEO621,386$192.80$25,825,233879,273—
Aug 5, 2026 AFForm 4 →Aug 7, 4:05 pm EDTAhmad A. KhanPresident, Semi. Prod. & Cust.226,953$192.80$10,150,317275,757—
Aug 5, 2026 AFForm 4 →Aug 7, 4:05 pm EDTBrian LorigEVP, KLA Global Services102,926$192.80$4,288,398140,143—
Aug 5, 2026 AFForm 4 →Aug 7, 4:05 pm EDTVirendra A KirloskarSVP & Chief Accounting Officer13,454$192.80$455,96616,697—
Aug 5, 2026 AFForm 4 →Aug 7, 4:05 pm EDTBren D. HigginsEVP & Chief Financial Officer226,953$192.80$10,150,317343,847—
Aug 5, 2026 AFForm 4 →Aug 7, 4:05 pm EDTMary Beth WilkinsonEVP, CLO and Secretary71,372$192.80$3,060,65761,732—
Aug 5, 2026 SForm 4 →Aug 5, 5:16 pm EDTMary Beth WilkinsonEVP, CLO and Secretary13,802$195.50$2,698,29122,110−38.4%10b5-1
Aug 5, 2026 SForm 4 →Aug 5, 5:14 pm EDTVirendra A KirloskarSVP & Chief Accounting Officer4,504$195.50$880,5327,972−36.1%10b5-1
Aug 4, 2026 SForm 4 →Aug 4, 5:27 pm EDTMary Beth WilkinsonEVP, CLO and Secretary4,295$191.59$822,87935,912−10.7%10b5-1
Aug 4, 2026 FForm 4 →Aug 4, 5:27 pm EDTMary Beth WilkinsonEVP, CLO and Secretary10,037$182.75$1,834,19640,207—10b5-1
Aug 4, 2026 SForm 4 →Aug 4, 5:26 pm EDTVirendra A KirloskarSVP & Chief Accounting Officer1,565$191.59$299,83812,476−11.1%10b5-1
Aug 4, 2026 FForm 4 →Aug 4, 5:26 pm EDTVirendra A KirloskarSVP & Chief Accounting Officer4,430$182.75$809,57814,041—10b5-1
Aug 4, 2026 FForm 4 →Aug 4, 4:05 pm EDTBren D. HigginsEVP & Chief Financial Officer29,557$182.75$5,401,563222,187—
Aug 4, 2026 FForm 4 →Aug 4, 4:05 pm EDTAhmad A. KhanPresident, Semi. Prod. & Cust.31,037$182.75$5,672,027154,097—
Aug 4, 2026 FForm 4 →Aug 4, 4:05 pm EDTBrian LorigEVP, KLA Global Services14,775$182.75$2,700,10281,702—
Aug 4, 2026 FForm 4 →Aug 4, 4:05 pm EDTRichard P WallacePresident and CEO109,738$182.75$20,054,600525,785—
Aug 1, 2026 FForm 4 →Aug 3, 4:05 pm EDTAhmad A. KhanPresident, Semi. Prod. & Cust.11,728$182.82$2,144,060185,134—
Aug 1, 2026 FForm 4 →Aug 3, 4:05 pm EDTRichard P WallacePresident and CEO32,653$182.82$5,969,693635,522—
Aug 1, 2026 FForm 4 →Aug 3, 4:05 pm EDTBrian LorigEVP, KLA Global Services6,287$182.82$1,149,34396,477—
Aug 1, 2026 FForm 4 →Aug 3, 4:05 pm EDTMary Beth WilkinsonEVP, CLO and Secretary3,124$182.82$571,09750,243—
Aug 1, 2026 FForm 4 →Aug 3, 4:05 pm EDTBren D. HigginsEVP & Chief Financial Officer11,728$182.82$2,144,060251,744—
Aug 1, 2026 FForm 4 →Aug 3, 4:05 pm EDTVirendra A KirloskarSVP & Chief Accounting Officer1,104$182.82$201,76918,471—
Jul 2, 2026 SForm 4 →Jul 6, 4:05 pm EDTBren D. HigginsEVP & Chief Financial Officer27,701$265.69$7,359,879263,472−9.51%10b5-1
Jul 2, 2026 SForm 4 →Jul 6, 4:05 pm EDTVirendra A KirloskarSVP & Chief Accounting Officer196$265.69$52,07519,575−0.99%10b5-1
Jul 1, 2026 SForm 4 →Jul 2, 4:05 pm EDTMary Beth WilkinsonEVP, CLO and Secretary14,392$285.30$4,106,03853,367−21.2%10b5-1
Jun 30, 2026 JForm 4 →Jul 6, 4:05 pm EDTVirendra A KirloskarSVP & Chief Accounting Officer196$108.33$21,25019,771—10b5-1 late
Jun 30, 2026 FJForm 4 →Jul 2, 4:05 pm EDTBrian LorigEVP, KLA Global Services12,419$275.70$3,423,848102,764—
Jun 30, 2026 FJForm 4 →Jul 2, 4:05 pm EDTBren D. HigginsEVP & Chief Financial Officer30,763$277.31$8,530,787291,173—
Jun 30, 2026 FJForm 4 →Jul 2, 4:05 pm EDTRichard P WallacePresident and CEO46,047$277.67$12,785,555668,176—
Jun 30, 2026 FForm 4 →Jul 2, 4:05 pm EDTMary Beth WilkinsonEVP, CLO and Secretary10,260$278.39$2,856,21667,759—10b5-1
Jun 30, 2026 FJForm 4 →Jul 2, 4:05 pm EDTAhmad A. KhanPresident, Semi. Prod. & Cust.30,763$277.31$8,530,787196,862—
Jun 11, 2026 SForm 4 →Jun 11, 6:08 pm EDTRichard P WallacePresident and CEO4,512$2,213.37$9,986,72571,383−5.95%10b5-1
Mar 12, 2019 SForm 4 →Mar 13, 8:43 pm EDTEmiko HigashiDirector2,141$117.43$251,4188,780−19.6% plan?
Mar 1, 2019 SForm 4 →Mar 4, 4:05 pm ESTBren D. HigginsEVP & Chief Financial Officer1,669$116.63$194,6500−100% plan?
Feb 20, 2019 AForm 4 →Feb 22, 4:34 pm ESTAsher LevyCEO - Orbotech Ltd.71,468——44,121— plan?
Feb 13, 2019 SForm 4 →Feb 14, 4:02 pm ESTAhmad A. KhanEVP3,851$107.52$414,0604,182−47.9% plan?
Feb 1, 2019 SForm 4 →Feb 5, 4:09 pm ESTBrian M. TrafasExecutive Vice President1,114$107.00$119,1980−100% plan?
Feb 1, 2019 FMForm 4 →Feb 5, 4:09 pm ESTBrian M. TrafasExecutive Vice President4,211$106.96$70,7011,114— plan?
Jan 31, 2019 AForm 4 →Feb 1, 4:14 pm ESTVictor PengDirector1,439——1,439— plan?
Nov 23, 2018 GForm 4 →Nov 28, 7:17 am ESTTeri A. LittleEVP, CLO and Secretary110——7,017— plan? late
Nov 23, 2018 SForm 4 →Nov 28, 7:17 am ESTTeri A. LittleEVP, CLO and Secretary2,525$95.00$239,8757,127−26.2% plan? late
Nov 14, 2018 SForm 4 →Nov 16, 7:54 am ESTBren D. HigginsEVP & Chief Financial Officer3,795$94.07$356,9961,669−69.5% plan?
Nov 14, 2018 SForm 4 →Nov 16, 7:53 am ESTAhmad A. KhanEVP5,028$94.22$473,7388,033−38.5% plan?
Nov 12, 2018 SForm 4 →Nov 14, 4:09 pm ESTBrian LorigSVP759$93.74$71,149566−57.3% plan?
Nov 12, 2018 SForm 4 →Nov 14, 4:07 pm ESTBrian M. TrafasExecutive Vice President674$93.74$63,1810−100% plan?
Nov 12, 2018 SForm 4 →Nov 14, 4:06 pm ESTVirendra A KirloskarSVP & Chief Accounting Officer632$93.74$59,244297−68.0% plan?
Nov 11, 2018 FMForm 4 →Nov 14, 4:14 pm ESTRichard P WallacePresident and CEO, Director20,875$95.28$395,12648,564— plan? late
Nov 11, 2018 FMForm 4 →Nov 14, 4:13 pm ESTBren D. HigginsEVP & Chief Financial Officer18,786$95.28$355,5855,464— plan? late
Nov 11, 2018 FMForm 4 →Nov 14, 4:12 pm ESTAhmad A. KhanEVP12,524$95.28$237,05713,061— plan? late
Nov 11, 2018 FMForm 4 →Nov 14, 4:10 pm ESTTeri A. LittleEVP, CLO and Secretary6,262$95.28$118,5289,652— plan? late
Nov 11, 2018 FMForm 4 →Nov 14, 4:09 pm ESTBrian LorigSVP3,759$95.28$71,1741,325— plan? late
Nov 11, 2018 FMForm 4 →Nov 14, 4:07 pm ESTBrian M. TrafasExecutive Vice President3,340$95.28$63,266674— plan? late
Nov 11, 2018 FMForm 4 →Nov 14, 4:06 pm ESTVirendra A KirloskarSVP & Chief Accounting Officer3,133$95.28$59,359929— plan? late
Nov 7, 2018 AForm 4 →Nov 9, 8:09 am ESTGary B MooreDirector2,072——2,072— plan?
Nov 7, 2018 AForm 4 →Nov 9, 8:08 am ESTKiran M PatelDirector2,072——2,072— plan?
Nov 7, 2018 AForm 4 →Nov 9, 8:08 am ESTEmiko HigashiDirector2,072——2,072— plan?
Nov 7, 2018 AForm 4 →Nov 9, 8:07 am ESTRobert A. RangoDirector2,072——2,072— plan?
Nov 7, 2018 AForm 4 →Nov 9, 8:07 am ESTJohn T DicksonDirector2,072——2,072— plan?
Nov 7, 2018 AMForm 4 →Nov 9, 8:07 am ESTAna G. PinczukDirector2,934——431— plan?
Nov 7, 2018 AForm 4 →Nov 9, 8:06 am ESTEdward W BarnholtDirector2,797——2,797— plan?
Nov 7, 2018 AForm 4 →Nov 9, 8:06 am ESTRobert CalderoniDirector2,072——2,072— plan?
Nov 7, 2018 AForm 4 →Nov 9, 8:05 am ESTKevin KennedyDirector2,072——2,072— plan?
Nov 4, 2018 FMForm 4 →Nov 5, 8:48 pm ESTTeri A. LittleEVP, CLO and Secretary6,240$93.29$115,6808,387— plan?
Nov 2, 2018 SForm 4 →Nov 5, 4:04 pm ESTBrian M. TrafasExecutive Vice President886$95.10$84,2590−100% plan?
Nov 1, 2018 MForm 4 →Nov 5, 4:09 pm ESTEdward W BarnholtDirector5,134——10,212— plan?
Nov 1, 2018 FMForm 4 →Nov 5, 4:08 pm ESTAhmad A. KhanEVP4,388$94.92$82,77010,531— plan?
Nov 1, 2018 MForm 4 →Nov 5, 4:07 pm ESTRobert A. RangoDirector3,804——8,717— plan?
Nov 1, 2018 MForm 4 →Nov 5, 4:06 pm ESTKevin KennedyDirector3,804——1,902— plan?
Nov 1, 2018 MForm 4 →Nov 5, 4:06 pm ESTDavid C WangDirector3,804——4,043— plan?
Nov 1, 2018 MForm 4 →Nov 5, 4:05 pm ESTRobert CalderoniDirector3,804——8,336— plan?
Nov 1, 2018 FMForm 4 →Nov 5, 4:04 pm ESTBrian M. TrafasExecutive Vice President4,388$94.92$82,770886— plan?
Nov 1, 2018 MForm 4 →Nov 5, 4:04 pm ESTEmiko HigashiDirector3,804——10,921— plan?
Nov 1, 2018 MForm 4 →Nov 5, 4:03 pm ESTJohn T DicksonDirector3,804——1,902— plan?
Nov 1, 2018 MForm 4 →Nov 5, 4:02 pm ESTKiran M PatelDirector3,804——1,902— plan?
Nov 1, 2018 MForm 4 →Nov 5, 4:01 pm ESTGary B MooreDirector3,804——8,406— plan?
Sep 7, 2018 SForm 4 →Sep 11, 4:54 pm EDTBren D. HigginsEVP & Chief Financial Officer1,418$106.64$151,2161,669−45.9% plan?
Sep 4, 2018 SForm 4 →Sep 6, 4:39 pm EDTBrian LorigSVP2,547$117.37$298,930566−81.8% plan?
Sep 4, 2018 FMForm 4 →Sep 6, 4:39 pm EDTBrian LorigSVP4,470$118.19$94,0793,113— plan?
Sep 4, 2018 SForm 4 →Sep 5, 5:11 pm EDTRichard P WallacePresident and CEO, Director12,308$117.36$1,444,49444,347−21.7% plan?
Sep 4, 2018 SForm 4 →Sep 5, 5:08 pm EDTTeri A. LittleEVP, CLO and Secretary2,579$117.30$302,5177,127−26.6% plan?
Sep 3, 2018 FMForm 4 →Sep 5, 5:08 pm EDTTeri A. LittleEVP, CLO and Secretary1,863$116.21$31,9589,706— plan?
Sep 3, 2018 FMForm 4 →Sep 5, 5:05 pm EDTBrian LorigSVP5,403$116.21$92,6192,072— plan?
Aug 30, 2018 SForm 4 →Sep 4, 4:02 pm EDTBrian M. TrafasExecutive Vice President649$116.42$75,5570−100% plan?
Aug 10, 2018 GForm 4 →Sep 6, 9:14 pm EDTEdward W BarnholtDirector10,886——28,281— plan? late
Aug 10, 2018 SForm 4 →Aug 14, 4:03 pm EDTBren D. HigginsEVP & Chief Financial Officer3,851$115.31$444,0593,087−55.5% plan?

Reported at this company — derivatives (options, RSUs, warrants)

TradeReported (ET)InsiderSharesAvg priceTotalOwned afterΔ stakeFlags
Feb 20, 2019 AForm 4 →Feb 22, 4:34 pm ESTAsher LevyCEO - Orbotech Ltd.10,651——3,174—