Oreste Donzella

Insider

First SEC filing: Feb. 11, 2020 · Latest: Feb. 11, 2020

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Insider at Companies where this person is a reporting insider.
Insider transactions Every share this person bought or sold, from Form 4 filings.
Initial holdings The stakes this person held when they first started reporting.
Compensation Executive pay disclosed in company proxy statements.

Insider at

KLAC selling March 25, 2024

Insider transactions

0 buys (P) 0 sells (S) Net: $0 + 21 non-open-market transactions below last 12 months, based on the transactions shown below

Price change vs current quote, split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted

21 other filings hidden

Date	Ticker	Code	Shares	Price	Value	Owned after	Δ own	A/D	vs now
June 28, 2024	KLAC	A	45	$476.33	$21,435	16,967 Direct	+0.27%	Acquired	291.0% (price as of 2026-08-20)
March 25, 2024	KLAC	S 10b5-1	3,257	$697.85	$2,272,897	16,922 Direct	-16.14%	Disposed	166.9% (price as of 2026-08-20)
March 20, 2024	KLAC	F	3,636	$695.95	$2,530,474	20,179 Direct	-15.27%	Disposed	167.6% (price as of 2026-08-20)
Sept. 5, 2023	KLAC	S 10b5-1	2,633	$507.01	$1,334,957	23,815 Direct	-9.96%	Disposed	267.3% (price as of 2026-08-20)
Aug. 6, 2023	KLAC	F	1,492	$496.47	$740,733	26,448 Direct	-5.34%	Disposed	275.1% (price as of 2026-08-20)
Aug. 6, 2023	KLAC	F	498	$496.47	$247,242	27,940 Direct	-1.75%	Disposed	275.1% (price as of 2026-08-20)
Aug. 5, 2023	KLAC	F	317	$496.47	$157,381	28,438 Direct	-1.10%	Disposed	275.1% (price as of 2026-08-20)
Aug. 4, 2023	KLAC	F	334	$496.47	$165,821	28,755 Direct	-1.15%	Disposed	275.1% (price as of 2026-08-20)
Aug. 3, 2023	KLAC	A	5,667	—	—	29,089 Direct	+24.20%	Acquired	(price as of 2026-08-20)
Aug. 3, 2023	KLAC	A	1,801	—	—	23,422 Direct	+8.33%	Acquired	(price as of 2026-08-20)
Aug. 1, 2023	KLAC	F	706	$514.28	$363,082	21,621 Direct	-3.16%	Disposed	262.1% (price as of 2026-08-20)
Aug. 1, 2023	KLAC	F	2,117	$514.28	$1,088,731	22,327 Direct	-8.66%	Disposed	262.1% (price as of 2026-08-20)
June 30, 2023	KLAC	J	66	$320.07	$21,125	24,444 Direct	+0.27%	Acquired	481.8% (price as of 2026-08-20)
March 31, 2023	KLAC	S 10b5-1	3,882	$393.73	$1,528,460	24,378 Direct	-13.74%	Disposed	373.0% (price as of 2026-08-20)
March 20, 2023	KLAC	F	3,649	$389.94	$1,422,891	28,260 Direct	-11.44%	Disposed	377.6% (price as of 2026-08-20)
Dec. 2, 2022	KLAC	S 10b5-1	3,194	$380.66	$1,215,828	31,909 Direct	-9.10%	Disposed	389.2% (price as of 2026-08-20)
Sept. 1, 2022	KLAC	S 10b5-1	2,417	$334.86	$809,357	35,103 Direct	-6.44%	Disposed	456.1% (price as of 2026-08-20)
Aug. 6, 2022	KLAC	F	498	$395.74	$197,079	37,532 Direct	-1.31%	Disposed	370.6% (price as of 2026-08-20)
Aug. 5, 2022	KLAC	F	317	$395.74	$125,450	38,030 Direct	-0.83%	Disposed	370.6% (price as of 2026-08-20)
Aug. 5, 2022	KLAC	S 10b5-1	2,072	$389.09	$806,194	38,347 Direct	-5.13%	Disposed	378.6% (price as of 2026-08-20)
Aug. 4, 2022	KLAC	F	2,117	$397.40	$841,296	40,419 Direct	-4.98%	Disposed	368.6% (price as of 2026-08-20)
Aug. 4, 2022	KLAC	A	8,040	—	—	42,536 Direct	+23.31%	Acquired	(price as of 2026-08-20)
Aug. 4, 2022	KLAC	A	2,545	—	—	34,496 Direct	+7.97%	Acquired	(price as of 2026-08-20)
Aug. 2, 2022	KLAC	F	757	$382.69	$289,696	31,951 Direct	-2.31%	Disposed	386.6% (price as of 2026-08-20)
Aug. 2, 2022	KLAC	F	2,028	$382.69	$776,095	32,708 Direct	-5.84%	Disposed	386.6% (price as of 2026-08-20)
Aug. 1, 2022	KLAC	F	706	$385.64	$272,262	34,736 Direct	-1.99%	Disposed	382.9% (price as of 2026-08-20)
July 14, 2022	KLAC	S 10b5-1	96	$320.00	$30,720	35,442 Direct	-0.27%	Disposed	482.0% (price as of 2026-08-20)
June 30, 2022	KLAC	J	57	$271.22	$15,460	35,538 Direct	+0.16%	Acquired	586.6% (price as of 2026-08-20)

P = Open-market purchase · S = Sale · A = Grant/award · M = Option exercise · G = Gift · F = Tax withholding

Insider transactions are not a recommendation; sales are often driven by liquidity or tax reasons.

Initial ownership (Form 3) 2 holdings

Securities held when first becoming an insider, per SEC Form 3.

Date	Ticker	Security	Shares	Ownership
Feb. 11, 2020	KLAC	Common Stock	5,967	Direct
Feb. 11, 2020	KLAC	Common Stock - Restricted Stock Units [F1]	25,035	Direct

Compensation (DEF 14A)

Matched by name from proxy statements (DEF 14A) — verify against the filing.

KLAC

Chief Strategy Officer

Fiscal year	Salary	Bonus	Stock awards	Option awards	Non-equity incentive	Pension change	Other	Total
2025	$362,558	—	—	—	$466,720	—	$4,790,950	$6,536,017
2024	$501,251	—	—	—	$407,809	—	$4,955,816	$7,674,771
2023	$477,385	—	—	—	$441,795	—	$965,126	$5,897,649

Figures from the Summary Compensation Table of the company's proxy statement (DEF 14A). Compensation is not a recommendation.