Performance stock vests for Veeco (VECO) CFO John Kiernan

Rhea-AI Filing Summary

Veeco Instruments SVP & Chief Financial Officer John P. Kiernan reported the vesting of performance-based restricted stock units. On the award’s March 2026 vesting date, he acquired 30,274 shares of common stock upon PRSU achievement at the 172.5% performance level. To cover associated tax withholding obligations, 15,049 shares were surrendered back to Veeco at a price of $31.00 per share, leaving a net increase in directly held shares. After these transactions, Kiernan holds 63,622 shares of common stock directly and 82,680 shares indirectly through a family trust.

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

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Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

KIERNAN JOHN P

(Last) (First) (Middle)

C/O VEECO INSTRUMENTS INC.

1 TERMINAL DRIVE

(Street)

PLAINVIEW NEW YORK 11803

(City) (State) (Zip)

UNITED STATES

(Country)

2. Issuer Name and Ticker or Trading Symbol
VEECO INSTRUMENTS INC [ VECO ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	SVP & CHIEF FINANCIAL OFFICER

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
03/20/2026

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

4. If Amendment, Date of Original Filed (Month/Day/Year)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Common Stock	03/20/2026		M		30,274(1)	A	$0	78,671	D
Common Stock	03/20/2026		F		15,049(2)	D	$31	63,622	D
Common Stock								82,680	I	By Family Trust

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

1. On March 13, 2023, the reporting person was granted the contingent right to receive 17,550 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.

2. Represents securities surrendered to Veeco to satisfy tax withholding obligations due upon the vesting of restricted stock.

	/s/ Kirk W. Mackey, Attorney-in-Fact	03/24/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.
* Form 4: SEC 1474 (03-26)

FAQ

What did Veeco (VECO) CFO John Kiernan report in this Form 4?

He reported vesting of performance-based restricted stock units that delivered 30,274 Veeco common shares, plus a related tax-withholding share surrender. The filing updates his direct and indirect ownership following this compensation-related equity vesting event.

How many Veeco (VECO) shares did the CFO receive from PRSU vesting?

The CFO acquired 30,274 shares of Veeco common stock from performance-based restricted stock units. This reflected achievement of three-year total shareholder return criteria at the 172.5% level relative to Russell 2000 peers, as specified in the original March 13, 2023 grant.

Why were 15,049 Veeco (VECO) shares surrendered by the CFO?

15,049 Veeco shares were surrendered to the company to satisfy tax withholding obligations triggered by the vesting of restricted stock. This F‑code disposition is a non-market, compensation-related tax payment mechanism rather than an open-market sale indicating a change in investment view.

How many Veeco (VECO) shares does the CFO own after these transactions?

Following the reported transactions, the CFO directly owns 63,622 Veeco common shares. He also has indirect ownership of 82,680 additional shares held through a family trust, as disclosed in the filing’s ownership table and related indirect ownership notation.

What were the original terms of the Veeco (VECO) PRSU grant?

On March 13, 2023, the CFO received 17,550 performance-based restricted stock units. Each unit represented one Veeco share, with the final payout ranging from 50% to 200% based on three-year total shareholder return criteria relative to Russell 2000 companies.

Does this Veeco (VECO) Form 4 show any open-market buy or sell by the CFO?

No open-market purchases or sales are reported. The filing shows shares acquired through PRSU vesting and shares surrendered back to Veeco for tax withholding, both standard compensation and tax-related equity events rather than discretionary market trades.