Form 4 for KLAC KLA Corporation

Accepted 2026-07-02 16:05:04 ET · period of report 2026-06-30 · accession 0001193125-26-294467 · 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
	2026-07-02 16:05	2026-06-30	KLAC	Khan Ahmad A.	Pres, Semi. Prod, Cust	J - Other	$108.33	+196.16	227.4K	+0.1%	+$21.3K
	2026-07-02 16:05	2026-06-30	KLAC	Khan Ahmad A.	Pres, Semi. Prod, Cust	F - Tax	$278.39	-30.6K	196.9K	-13%	-$8.51M

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	2026-06-30	J	A	196.16	$108.33	227,428.68	D	—	—	(F1) Purchased under the registrant's employee stock purchase plan. (F2) Represents 85% of the closing price of the registrant's common stock on January 2, 2026, the first day of the offering period under the employee stock purchase plan. (F3) The number of shares of KLA common stock includes 217,169.680 shares issuable upon vesting of restricted stock units ("RSUs").
2	Common	Common Stock	2026-06-30	F	D	30,566.96	$278.39	196,861.72	D	—	—	(F4) On August 4, 2022, the reporting person was granted RSUs with both performance-based and service-based vesting conditions ("PRSUs") divided into three tranches. On August 7, 2025, KLA's Board of Directors and Compensation and Talent Committee determined that the performance conditions applicable to the second tranche of these PRSUs were satisfied. On June 30, 2026, 61,651.800 shares vested. (F5) Pursuant to the terms of the grant, shares of KLA common stock were automatically withheld to cover required tax withholding on the 61,651.800 shares of KLA common stock that vested. 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 June 29, 2026. (F6) The number of shares of KLA common stock includes 155,517.880 shares issuable upon vesting of RSUs.