Veeco SVP exercises 8,267 RSUs, withholds shares

Veeco Instruments SVP Peter Porshnev reported RSU vesting and related tax withholding transactions, not open‑market trading.

Rhea-AI Filing Summary

Veeco Instruments SVP Peter Porshnev reported RSU vesting and related tax withholding transactions, not open‑market trading. He exercised or converted restricted stock units into a total of 8,267 shares of common stock, and 3,667 shares were surrendered to cover tax obligations.

After these compensation-related transactions, he directly holds 178,953.306 shares of Veeco common stock. The footnotes explain that the restricted stock units were granted under the Veeco Instruments 2019 Stock Incentive Plan and vest in three equal annual installments, with shares delivered on each vesting date.

Insider Trade Summary

8,267 shares exercised/converted

Exercise 9 txns

Insider Porshnev Peter

Role SVP, UNIFIED ENGINEERING

Type	Security	Shares	Price	Value
Exercise	Restricted Stock Unit	2,667	$0.00	$0.00
Exercise	Restricted Stock Unit	2,800	$0.00	$0.00
Exercise	Common Stock	2,667	$0.00	$0.00
Exercise Price or Tax Liability	Common Stock	1,146	$30.95	$35K
Exercise	Common Stock	2,800	$0.00	$0.00
Exercise Price or Tax Liability	Common Stock	1,186	$30.95	$37K
Exercise	Restricted Stock Unit	2,800	$0.00	$0.00
Exercise	Common Stock	2,800	$0.00	$0.00
Exercise Price or Tax Liability	Common Stock	1,335	$31.46	$42K

Holdings After Transaction: Restricted Stock Unit — 8,267 contracts (Direct); Common Stock — 178,953.306 shares (Direct)

Footnotes (2)

1. F1. These restricted units (RSUs) were acquired pursuant to an award under the Veeco Instruments 2019 Stock Incentive Plan and are subject to certain restrictions. These restrictions will lapse with respect to 1/3 of such RSUs on each of the first, second and third anniversaries of the date of grant. Vested shares of Veeco common stock will be delivered to the reporting person on the vesting date.
2. F2. Represents securities surrendered to Veeco to satisfy tax withholding due upon the vesting of restricted stock.

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Accepted by SEC EDGAR 03/17/2026 - 04:35 PM EDT Learn about SEC filing dates

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

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

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^*

Porshnev Peter

(Last) (First) (Middle)

C/O VEECO INSTRUMENTS INC.

1 TERMINAL DRIVE

(Street)

PLAINVIEW NY 11803

(City) (State) (Zip)

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, UNIFIED ENGINEERING

3. Date of Earliest Transaction (Month/Day/Year)
03/13/2026

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

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

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

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	03/13/2026		M		2,800(1)	A	$0	177,153.306	D
Common Stock	03/13/2026		F		1,335(2)	D	$31.46	175,818.306	D
Common Stock	03/16/2026		M		2,667(1)	A	$0	178,485.306	D
Common Stock	03/16/2026		F		1,146(2)	D	$30.95	177,339.306	D
Common Stock	03/16/2026		M		2,800(1)	A	$0	180,139.306	D
Common Stock	03/16/2026		F		1,186(2)	D	$30.95	178,953.306	D

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
Restricted Stock Unit	$0	03/13/2026		M			2,800	03/13/2026	(1)	common stock	2,800	$0	0	D
Restricted Stock Unit	$0	03/16/2026		M			2,667	03/14/2026	(1)	common stock	2,667	$0	2,667	D
Restricted Stock Unit	$0	03/16/2026		M			2,800	03/14/2026	(1)	common stock	2,800	$0	5,600	D

Explanation of Responses:

1. These restricted units (RSUs) were acquired pursuant to an award under the Veeco Instruments 2019 Stock Incentive Plan and are subject to certain restrictions. These restrictions will lapse with respect to 1/3 of such RSUs on each of the first, second and third anniversaries of the date of grant. Vested shares of Veeco common stock will be delivered to the reporting person on the vesting date.

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

	/s/ Kirk W. Mackey, Attorney-in-Fact	03/17/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
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