Form 4 for KLAC KLA Corporation

Accepted 2025-08-07 00:00:00 ET · period of report 2025-08-05 · accession 0000950170-25-104983 · SEC index · Original document

Summary rows

Aggregated the way they appear in lists: one row per insider, transaction code and security table.

X	Filed	Traded	Ticker	Insider	Title	Type	Price	Qty	Owned	ΔOwn	Value
M	2025-08-07	2025-08-05	KLAC	Lorig Brian	EVP, KLA Gbl Services	F - Tax	$915.62	-1,270	11.7K	-10%	-$1.16M

Purchase Sale Sale after option exercise All abbreviations

#	Table	Security	Date	Code	A/D	Shares	Price	Owned after	Own	Exercise / expiry	Underlying	Footnotes
1	Common	Common Stock	2025-08-05	F	D	317.31	$915.62	11,382.73	D	—	—	(F3) On August 5, 2021, the Reporting Person was granted restricted stock units ("RSUs") for 2,562.000 shares of KLA common stock. On August 5, 2025, the remaining twenty-five percent (25%) of the RSUs vested. Pursuant to the terms of the grant, shares of KLA common stock were automatically withheld at vesting to cover required tax withholding. The fair market value of KLA common stock used for purposes of calculating the number of shares to be withheld was the closing price of KLA common stock as reported on August 4, 2025. (F4) The number of shares of KLA common stock includes 3,885.275 shares issuable upon vesting of RSUs.
2	Common	Common Stock	2025-08-05	F	D	952.68	$915.62	11,700.05	D	—	—	(F1) On August 5, 2025, the remaining fifty percent (50%) of the performance-based restricted stock units granted on August 5, 2021 vested. Pursuant to the terms of the grant, shares of KLA common stock were automatically withheld at vesting to cover required tax withholding. The fair market value of KLA common stock used for purposes of calculating the number of shares to be withheld was the closing price of KLA common stock as reported on August 4, 2025. (F2) The number of shares of KLA common stock includes 4,525.275 shares issuable upon vesting of restricted stock units ("RSUs").