Form 4 for VECO VEECO INSTRUMENTS INC

Accepted 2026-03-24 00:00:00 ET · period of report 2026-03-20 · accession 0001805363-26-000006 · SEC index · Original document

Summary rows

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

Filed	Traded	Ticker	Insider	Title	Type	Price	Qty	Owned	ΔOwn	Value
2026-03-24	2026-03-20	VECO	Porshnev Peter	CTO	F - Tax	$31.00	-11.4K	194.5K	-6%	-$353.3K
2026-03-24	2026-03-20	VECO	Porshnev Peter	CTO	A - Grant	$25.96	+593	195.1K	+0.3%	+$15.4K
2026-03-24	2026-03-20	VECO	Porshnev Peter	CTO	M - OptEx	$0.00	+26.9K	205.9K	+15%	$0

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	2026-03-20	F	D	11,397	$31.00	194,466.31	D	—	—	(F2) Represents securities surrendered to Veeco to satisfy tax withholding obligations due upon the vesting of restricted stock.
2	Common	Common Stock	2026-03-20	A	A	593	$25.96	195,059.31	D	—	—	(F3) Represents 593 shares purchased under the Veeco Employee Stock Purchase Plan on March 20, 2026.
3	Common	Common Stock	2026-03-20	M	A	26,910	$0.00	205,863.31	D	—	—	(F1) On March 13, 2023, the reporting person was granted the contingent right to receive 15,600 performance-based restricted stock units ("PRSUs"). This contingent right was subject to the reporting person's continued service with the Company and the achievement of three-year performance criteria, which was based on the Company's total shareholder return relative to other companies in the Russell 2000 as specified in the award agreement (the "Criteria"). Each PRSU represented the contingent right to receive one share of Veeco common stock. The award, if earned, could range from 50% to 200% of the granted PRSUs based on the achievement of the Criteria. The common stock award reflected in this filing represents achievement at the 172.5% level, which was realized.