Stock chart
Ticker: KLAC Exchange: NSM


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Purchase Sale Planned purchase Planned sale Net purchase Net sale Earnings
Earnings
 
Value bought

Past 90 days

 
Value sold

Past 90 days

 
Net insiders buying

Past 90 days

 
Trades (buy and sell)

Past 90 days

Abbreviations B: Buy, S: Sell, PP: Planned purchase, PS: Planned sale, O: Option / Other
Notification date Transaction date B/S Transaction type Insider and/or position Nb. shares
Price
Value
Number of shares Price Value Details
2025-03-27 2025-03-25 PS Planned sale

Higgins Bren D.

EVP & Chief Financial Officer

Officer
7,008 -19.6%
724.62
USD 5,078,137
7,008 -19.6% 724.62 USD 5,078,137
2024-11-14 2024-11-12 PS Planned sale

WALLACE RICHARD P

President and CEO

Officer
14,306 -13.7%
663.01
USD 9,485,021
14,306 -13.7% 663.01 USD 9,485,021
2024-08-21 2024-08-19 PS Planned sale

Khan Ahmad A.

President, Semi Proc. Control

Officer
9,676 -23.1%
818.51
USD 7,919,903
9,676 -23.1% 818.51 USD 7,919,903
2024-08-09 2024-08-07 PS Planned sale

Higgins Bren D.

EVP & Chief Financial Officer

Officer
5,361 -13.0%
740.63
USD 3,970,517
5,361 -13.0% 740.63 USD 3,970,517
2024-08-09 2024-08-07 PS Planned sale

Lorig Brian

Executive Vice President

Officer
2,038 -12.2%
740.63
USD 1,509,404
2,038 -12.2% 740.63 USD 1,509,404
2024-08-08 2024-08-06 PS Planned sale

WALLACE RICHARD P

President and CEO

Officer
17,437 -14.2%
705.01
USD 12,293,259
17,437 -14.2% 705.01 USD 12,293,259
2024-08-08 2024-08-06 PS Planned sale

Lorig Brian

Executive Vice President

Officer
1,291 -7.2%
705.01
USD 910,168
1,291 -7.2% 705.01 USD 910,168
2024-08-08 2024-08-06 PS Planned sale

Kirloskar Virendra A

SVP & Chief Accounting Officer

Officer
814 -23.7%
705.01
USD 573,878
814 -23.7% 705.01 USD 573,878
2024-08-06 2024-08-05 PS Planned sale

Kirloskar Virendra A

SVP & Chief Accounting Officer

Officer
825 -16.3%
649.84
USD 536,118
825 -16.3% 649.84 USD 536,118
2024-08-06 2024-08-05 PS Planned sale

Lorig Brian

Executive Vice President

Officer
709 -3.4%
649.84
USD 460,737
709 -3.4% 649.84 USD 460,737
2024-08-06 2024-08-05 PS Planned sale

Wilkinson Mary Beth

EVP, CLO and Secretary

Officer
242 -2.5%
675.00
USD 163,350
242 -2.5% 675.00 USD 163,350
2024-08-06 2024-08-05 PS Planned sale

Wilkinson Mary Beth

EVP, CLO and Secretary

Officer
2,369 -19.9%
649.84
USD 1,539,471
2,369 -19.9% 649.84 USD 1,539,471
2024-07-03 2024-07-02 PS Planned sale

Kirloskar Virendra A

SVP & Chief Accounting Officer

Officer
44 -1.2%
819.40
USD 36,054
44 -1.2% 819.40 USD 36,054
2024-07-03 2024-07-02 PS Planned sale

Lorig Brian

Executive Vice President

Officer
44 -0.3%
819.40
USD 36,054
44 -0.3% 819.40 USD 36,054
2024-05-24 2024-05-23 PS Planned sale

Higgins Bren D.

EVP & Chief Financial Officer

Officer
1,019 -3.1%
788.58
USD 803,563
1,019 -3.1% 788.58 USD 803,563
2024-05-23 2024-05-21 PS Planned sale

Khan Ahmad A.

President, Semi Proc. Control

Officer
7,833 -19.6%
760.00
USD 5,953,080
7,833 -19.6% 760.00 USD 5,953,080
2024-05-09 2024-05-07 PS Planned sale

WALLACE RICHARD P

President and CEO

Officer
14,009 -13.1%
716.63
USD 10,039,270
14,009 -13.1% 716.63 USD 10,039,270
2024-05-08 2024-05-06 PS Planned sale

Lorig Brian

Executive Vice President

Officer
3,537 -19.9%
699.16
USD 2,472,929
3,537 -19.9% 699.16 USD 2,472,929
2024-03-28 2024-03-26 PS Planned sale

Higgins Bren D.

EVP & Chief Financial Officer

Officer
7,018 -17.8%
705.04
USD 4,947,971
7,018 -17.8% 705.04 USD 4,947,971
2024-03-27 2024-03-25 PS Planned sale

Donzella Oreste

Executive Vice President

Officer
3,257 -16.1%
697.85
USD 2,272,897
3,257 -16.1% 697.85 USD 2,272,897
2023-11-21 2023-11-17 PS Planned sale

Higgins Bren D.

EVP & Chief Financial Officer

Officer
1,621 -3.4%
531.77
USD 861,999
1,621 -3.4% 531.77 USD 861,999
2023-11-17 2023-11-15 PS Planned sale

Wilkinson Mary Beth

EVP, CLO and Secretary

Officer
430 -6.3%
550.00
USD 236,500
430 -6.3% 550.00 USD 236,500
2023-09-25 2023-09-22 PS Planned sale

Wilkinson Mary Beth

EVP, CLO and Secretary

Officer
3,155 -31.7%
451.51
USD 1,424,514
3,155 -31.7% 451.51 USD 1,424,514
2023-09-08 2023-09-06 S Sale

Hanley Jeneanne Michelle

Non-Executive Director
100 -3.2%
509.17
USD 50,917
100 -3.2% 509.17 USD 50,917
2023-09-08 2023-09-06 S Sale

Hanley Jeneanne Michelle

Non-Executive Director
400 -11.3%
508.92
USD 203,569
400 -11.3% 508.92 USD 203,569
2023-09-07 2023-09-05 PS Planned sale

Donzella Oreste

Executive Vice President

Officer
2,633 -10.0%
507.01
USD 1,334,957
2,633 -10.0% 507.01 USD 1,334,957
2023-09-06 2023-09-01 PS Planned sale

Khan Ahmad A.

President, Semi Proc. Control

Officer
13,963 -22.8%
503.58
USD 7,031,488
13,963 -22.8% 503.58 USD 7,031,488
2023-08-16 2023-08-14 PS Planned sale

Kirloskar Virendra A

SVP & Chief Accounting Officer

Officer
2,621 -41.5%
474.55
USD 1,243,796
2,621 -41.5% 474.55 USD 1,243,796
2023-08-09 2023-08-07 PS Planned sale

Lorig Brian

Executive Vice President

Officer
2,738 -11.6%
500.00
USD 1,369,000
2,738 -11.6% 500.00 USD 1,369,000
2023-08-09 2023-08-07 PS Planned sale

WALLACE RICHARD P

President and CEO

Officer
100 -0.1%
507.08
USD 50,708
100 -0.1% 507.08 USD 50,708
2023-08-09 2023-08-07 PS Planned sale

WALLACE RICHARD P

President and CEO

Officer
3,346 -2.6%
506.22
USD 1,693,812
3,346 -2.6% 506.22 USD 1,693,812
2023-08-09 2023-08-07 PS Planned sale

WALLACE RICHARD P

President and CEO

Officer
5,282 -4.0%
505.37
USD 2,669,364
5,282 -4.0% 505.37 USD 2,669,364
2023-08-09 2023-08-07 PS Planned sale

WALLACE RICHARD P

President and CEO

Officer
15,012 -10.2%
504.43
USD 7,572,503
15,012 -10.2% 504.43 USD 7,572,503
2023-08-09 2023-08-07 PS Planned sale

WALLACE RICHARD P

President and CEO

Officer
4,634 -3.0%
503.46
USD 2,333,034
4,634 -3.0% 503.46 USD 2,333,034
2023-08-09 2023-08-07 PS Planned sale

WALLACE RICHARD P

President and CEO

Officer
2,201 -1.4%
502.30
USD 1,105,562
2,201 -1.4% 502.30 USD 1,105,562
2023-08-09 2023-08-07 PS Planned sale

WALLACE RICHARD P

President and CEO

Officer
3,273 -2.1%
501.53
USD 1,641,508
3,273 -2.1% 501.53 USD 1,641,508
2023-08-09 2023-08-07 PS Planned sale

WALLACE RICHARD P

President and CEO

Officer
1,152 -0.7%
500.26
USD 576,300
1,152 -0.7% 500.26 USD 576,300
2023-08-09 2023-08-07 PS Planned sale

Wilkinson Mary Beth

EVP, CLO and Secretary

Officer
870 -6.6%
500.00
USD 435,000
870 -6.6% 500.00 USD 435,000
2023-08-09 2023-08-07 PS Planned sale

Higgins Bren D.

EVP & Chief Financial Officer

Officer
3,061 -6.0%
500.00
USD 1,530,500
3,061 -6.0% 500.00 USD 1,530,500
2023-08-03 2023-08-02 PS Planned sale

Lorig Brian

Executive Vice President

Officer
2,810 -13.7%
504.60
USD 1,417,926
2,810 -13.7% 504.60 USD 1,417,926
2023-08-03 2023-08-02 PS Planned sale

Higgins Bren D.

EVP & Chief Financial Officer

Officer
4,863 -11.2%
504.60
USD 2,453,870
4,863 -11.2% 504.60 USD 2,453,870
2023-07-07 2023-07-05 PS Planned sale

Lorig Brian

Executive Vice President

Officer
66 -0.3%
475.30
USD 31,370
66 -0.3% 475.30 USD 31,370
2023-05-19 2023-05-18 PS Planned sale

Lorig Brian

Executive Vice President

Officer
1,727 -6.9%
425.00
USD 733,975
1,727 -6.9% 425.00 USD 733,975
2023-05-18 2023-05-16 PS Planned sale

Khan Ahmad A.

President, Semi Proc. Control

Officer
1,915 -3.4%
405.00
USD 775,575
1,915 -3.4% 405.00 USD 775,575
2023-05-09 2023-05-05 PS Planned sale

WALLACE RICHARD P

President and CEO

Officer
200 -0.1%
387.74
USD 77,548
200 -0.1% 387.74 USD 77,548
2023-05-09 2023-05-05 PS Planned sale

WALLACE RICHARD P

President and CEO

Officer
1,000 -0.7%
386.22
USD 386,220
1,000 -0.7% 386.22 USD 386,220
2023-05-09 2023-05-05 PS Planned sale

WALLACE RICHARD P

President and CEO

Officer
955 -0.7%
384.65
USD 367,341
955 -0.7% 384.65 USD 367,341
2023-05-09 2023-05-05 PS Planned sale

WALLACE RICHARD P

President and CEO

Officer
996 -0.7%
383.55
USD 382,016
996 -0.7% 383.55 USD 382,016
2023-05-09 2023-05-05 PS Planned sale

WALLACE RICHARD P

President and CEO

Officer
500 -0.4%
382.61
USD 191,305
500 -0.4% 382.61 USD 191,305
2023-05-09 2023-05-05 PS Planned sale

WALLACE RICHARD P

President and CEO

Officer
700 -0.5%
381.81
USD 267,267
700 -0.5% 381.81 USD 267,267
2023-05-09 2023-05-05 PS Planned sale

WALLACE RICHARD P

President and CEO

Officer
231 -0.2%
380.41
USD 87,875
231 -0.2% 380.41 USD 87,875
2023-05-05 2023-05-03 PS Planned sale

WALLACE RICHARD P

President and CEO

Officer
300 -0.2%
385.52
USD 115,656
300 -0.2% 385.52 USD 115,656
2023-05-05 2023-05-03 PS Planned sale

WALLACE RICHARD P

President and CEO

Officer
2,149 -1.5%
384.52
USD 826,333
2,149 -1.5% 384.52 USD 826,333
2023-05-05 2023-05-03 PS Planned sale

WALLACE RICHARD P

President and CEO

Officer
2,378 -1.6%
383.74
USD 912,534
2,378 -1.6% 383.74 USD 912,534
2023-05-05 2023-05-03 PS Planned sale

WALLACE RICHARD P

President and CEO

Officer
1,449 -1.0%
382.32
USD 553,982
1,449 -1.0% 382.32 USD 553,982
2023-05-05 2023-05-03 PS Planned sale

WALLACE RICHARD P

President and CEO

Officer
2,729 -1.8%
381.42
USD 1,040,895
2,729 -1.8% 381.42 USD 1,040,895
2023-05-05 2023-05-03 PS Planned sale

WALLACE RICHARD P

President and CEO

Officer
3,914 -2.5%
380.38
USD 1,488,807
3,914 -2.5% 380.38 USD 1,488,807
2023-05-04 2023-05-02 PS Planned sale

WALLACE RICHARD P

President and CEO

Officer
1,400 -0.9%
385.82
USD 540,148
1,400 -0.9% 385.82 USD 540,148
2023-05-04 2023-05-02 PS Planned sale

WALLACE RICHARD P

President and CEO

Officer
2,100 -1.3%
384.79
USD 808,059
2,100 -1.3% 384.79 USD 808,059
2023-05-04 2023-05-02 PS Planned sale

WALLACE RICHARD P

President and CEO

Officer
1,100 -0.7%
382.57
USD 420,827
1,100 -0.7% 382.57 USD 420,827
2023-05-04 2023-05-02 PS Planned sale

WALLACE RICHARD P

President and CEO

Officer
801 -0.5%
381.34
USD 305,453
801 -0.5% 381.34 USD 305,453
2023-05-04 2023-05-02 PS Planned sale

WALLACE RICHARD P

President and CEO

Officer
12,098 -7.1%
380.31
USD 4,600,990
12,098 -7.1% 380.31 USD 4,600,990
2023-04-05 2023-04-03 PS Planned sale

Lorig Brian

Executive Vice President

Officer
1,728 -6.5%
400.00
USD 691,200
1,728 -6.5% 400.00 USD 691,200
2023-04-04 2023-03-31 PS Planned sale

Donzella Oreste

Executive Vice President

Officer
3,882 -13.7%
393.73
USD 1,528,460
3,882 -13.7% 393.73 USD 1,528,460
2023-03-23 2023-03-22 PS Planned sale

Higgins Bren D.

EVP & Chief Financial Officer

Officer
6,964 -12.3%
382.43
USD 2,663,243
6,964 -12.3% 382.43 USD 2,663,243
2023-03-22 2023-03-21 PS Planned sale

Khan Ahmad A.

President, Semi Proc. Control

Officer
1,915 -3.2%
395.00
USD 756,425
1,915 -3.2% 395.00 USD 756,425
2023-03-22 2023-03-20 PS Planned sale

Khan Ahmad A.

President, Semi Proc. Control

Officer
3,831 -6.1%
389.55
USD 1,492,366
3,831 -6.1% 389.55 USD 1,492,366
2023-02-24 2023-02-22 PS Planned sale

Higgins Bren D.

EVP & Chief Financial Officer

Officer
1,020 -1.6%
380.47
USD 388,079
1,020 -1.6% 380.47 USD 388,079
2023-02-16 2023-02-14 PS Planned sale

Khan Ahmad A.

President, Semi Proc. Control

Officer
2,898 -4.0%
397.61
USD 1,152,274
2,898 -4.0% 397.61 USD 1,152,274
2023-02-16 2023-02-14 PS Planned sale

Khan Ahmad A.

President, Semi Proc. Control

Officer
966 -1.3%
405.00
USD 391,230
966 -1.3% 405.00 USD 391,230
2022-12-15 2022-12-13 S Sale

Hanley Jeneanne Michelle

Non-Executive Director
500 -12.3%
406.67
USD 203,333
500 -12.3% 406.67 USD 203,333
2022-12-13 2022-12-09 PS Planned sale

Lorig Brian

Executive Vice President

Officer
3,127 -9.5%
400.00
USD 1,250,800
3,127 -9.5% 400.00 USD 1,250,800
2022-12-06 2022-12-02 PS Planned sale

Donzella Oreste

Executive Vice President

Officer
3,194 -9.1%
380.66
USD 1,215,828
3,194 -9.1% 380.66 USD 1,215,828
2022-11-18 2022-11-17 PS Planned sale

Higgins Bren D.

EVP & Chief Financial Officer

Officer
1,621 -2.5%
361.77
USD 586,429
1,621 -2.5% 361.77 USD 586,429
2022-09-23 2022-09-22 PS Planned sale

Wilkinson Mary Beth

EVP, CLO and Secretary

Officer
3,155 -20.5%
320.34
USD 1,010,673
3,155 -20.5% 320.34 USD 1,010,673
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