[Form 4] VEECO INSTRUMENTS INC Insider Trading Activity

Veeco Instruments’ SVP & Chief Financial Officer John P. Kiernan reported routine equity compensation activity.

Rhea-AI Filing Summary

Veeco Instruments’ SVP & Chief Financial Officer John P. Kiernan reported routine equity compensation activity. He exercised restricted stock units into a total of 11,899 shares of common stock at a conversion price of $0.00 per share and had 6,002 shares withheld at prices around $31 per share to cover tax obligations, which were delivered back to Veeco rather than sold on the market.

After these transactions, he holds 48,397 shares of common stock directly and 82,680 shares indirectly through a family trust. The RSUs were granted under the Veeco Instruments 2019 Stock Incentive Plan and vest in three equal annual installments, with vested shares delivered on each vesting date.

Insider Trade Summary

11,899 shares exercised/converted

Exercise 10 txns

Insider KIERNAN JOHN P

Role SVP & CHIEF FINANCIAL OFFICER

Type	Security	Shares	Price	Value
Exercise	Restricted Stock Unit	4,083	$0.00	$0.00
Exercise	Restricted Stock Unit	4,666	$0.00	$0.00
Exercise	Common Stock	4,083	$0.00	$0.00
Exercise Price or Tax Liability	Common Stock	1,999	$30.95	$62K
Exercise	Common Stock	4,666	$0.00	$0.00
Exercise Price or Tax Liability	Common Stock	2,289	$30.95	$71K
Exercise	Restricted Stock Unit	3,150	$0.00	$0.00
Exercise	Common Stock	3,150	$0.00	$0.00
Exercise Price or Tax Liability	Common Stock	1,714	$31.46	$54K
holding	Common Stock	--	--	--

Holdings After Transaction: Restricted Stock Unit — 13,417 contracts (Direct); Common Stock — 48,397 shares (Direct); Common Stock — 82,680 shares (Indirect, By Family Trust)

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.

FAQ

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What insider transactions did Veeco (VECO) CFO John Kiernan report?

John Kiernan reported exercising restricted stock units into 11,899 common shares and having 6,002 shares withheld to pay taxes. These actions reflect equity compensation vesting and related tax settlement, not open-market buying or selling of Veeco stock.

Did the Veeco (VECO) CFO sell shares in the open market in this Form 4?

The filing shows no open-market sales. Shares labeled with code F, totaling 6,002, were surrendered to Veeco at prices around $31 solely to satisfy tax withholding due on vesting restricted stock, rather than being sold to public market buyers.

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

Following the reported transactions, John Kiernan holds 48,397 Veeco common shares directly and 82,680 shares indirectly through a family trust. These positions combine his personal holdings with those attributed to the trust, as disclosed in the Form 4 ownership entries.

What is the size of the Veeco (VECO) RSU vesting reported in this Form 4?

The Form 4 shows RSU exercises totaling 11,899 underlying Veeco common shares. These restricted stock units were granted under the Veeco Instruments 2019 Stock Incentive Plan and vest in three equal annual installments, with vested shares delivered on each vesting anniversary date.

How are the Veeco (VECO) CFO’s RSUs structured under the 2019 Stock Incentive Plan?

The reported RSUs were granted with a three-year vesting schedule. One-third of the award vests on each of the first, second, and third anniversaries of the grant date, and vested Veeco common shares are delivered to the reporting person on each respective vesting date.

What does transaction code F mean in the Veeco (VECO) CFO Form 4?

Transaction code F indicates shares surrendered to Veeco to pay tax withholding on equity awards. In this Form 4, 6,002 Veeco common shares were delivered back to the company at prices around $31 purely to satisfy tax liabilities on vesting restricted stock units.

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Accepted by SEC EDGAR 03/17/2026 - 04:30 PM 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^*

KIERNAN JOHN P

(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 & CHIEF FINANCIAL OFFICER

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		3,150(1)	A	$0	45,650	D
Common Stock	03/13/2026		F		1,714(2)	D	$31.46	43,936	D
Common Stock	03/16/2026		M		4,083(1)	A	$0	48,019	D
Common Stock	03/16/2026		F		1,999(2)	D	$30.95	46,020	D
Common Stock	03/16/2026		M		4,666(1)	A	$0	50,686	D
Common Stock	03/16/2026		F		2,289(2)	D	$30.95	48,397	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
Restricted Stock Unit	$0	03/13/2026		M			3,150	03/13/2026	(1)	common stock	3,150	$0	0	D
Restricted Stock Unit	$0	03/16/2026		M			4,083	03/14/2026	(1)	common stock	4,083	$0	4,083	D
Restricted Stock Unit	$0	03/16/2026		M			4,666	03/14/2026	(1)	common stock	4,666	$0	9,334	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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