Veeco CTO updates Form 4 for 32,000 RSU award

Porshnev Peter reported acquisition or exercise transactions in this Form 4 filing.

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Form Type

4/A

Rhea-AI Filing Summary

Porshnev Peter reported acquisition or exercise transactions in this Form 4 filing.

Veeco Instruments Chief Technology Officer Peter Porshnev filed an amended insider report to correct how a prior equity grant was shown. The amendment reports an award of 32,000 restricted stock units (RSUs), each representing one share of Veeco common stock, granted under the Veeco Instruments 2019 Stock Incentive Plan. These RSUs vest in three equal annual installments, with one-third vesting on each of the first, second and third anniversaries of the grant date, and shares delivered upon vesting. After the corrections, he is shown as directly holding 163,059.306 shares of common stock and 40,267 unvested RSUs.

Insider Trade Summary

32,000 shares exercised/converted

Exercise 2 txns

Insider Porshnev Peter

Role Chief Technology Officer

Type	Security	Shares	Price	Value
Exercise	Restricted Stock Unit	32,000	$0.00	$0.00
holding	Common Stock	--	--	--

Holdings After Transaction: Restricted Stock Unit — 40,267 contracts (Direct); Common Stock — 163,059.306 shares (Direct)

Footnotes (3)

F1. Reflects an amendment being filed on a voluntary basis to amend the Form 4 filed by the Reporting Person on March 12, 2026. The amendment reflects (1) reporting of the applicable grant in Table II instead of Table I, (2) a corresponding revision to the total amount of securities beneficially owned in Table I and (3) a corresponding revision to the total amount of unvested restricted stock units in Table II.
F2. Each restricted stock unit represents a contingent right to receive one share of Veeco common stock.
F3. These restricted stock 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.

Key Figures

RSU grant size: 32,000 RSUs Exercise price of RSUs: $0.00 per unit Common shares after transaction: 163,059.306 shares +2 more

5 metrics

RSU grant size 32,000 RSUs Restricted stock units acquired under Veeco Instruments 2019 Stock Incentive Plan

Exercise price of RSUs $0.00 per unit Conversion or exercise price for 32,000 restricted stock units

Common shares after transaction 163,059.306 shares Total Veeco common stock directly beneficially owned after amendment

Unvested RSUs after transaction 40,267 RSUs Total unvested restricted stock units outstanding after amendment

Derivative exercise count 1 transaction One derivative exercise/conversion transaction (code M) reported

Key Terms

Restricted Stock Unit, Veeco Instruments 2019 Stock Incentive Plan, beneficially owned, unvested restricted stock units, +1 more

5 terms

Restricted Stock Unit financial

"These restricted stock units (RSUs) were acquired pursuant to an award under the Veeco Instruments 2019 Stock Incentive Plan"

A restricted stock unit is a promise from a company to give an employee shares of stock after certain conditions are met, like staying with the company for a set amount of time. It’s like earning a bonus that turns into company stock once you’ve proven your commitment, making it a way to motivate and reward employees.

Veeco Instruments 2019 Stock Incentive Plan financial

"These restricted stock units (RSUs) were acquired pursuant to an award under the Veeco Instruments 2019 Stock Incentive Plan"

beneficially owned financial

"a corresponding revision to the total amount of securities beneficially owned in Table I"

Beneficially owned describes securities or assets where a person has the economic rights and control—such as the right to receive dividends and to direct voting—even if legal title is held in another name. Think of it like having the keys and using a car that’s registered to someone else: you get the benefits and make decisions. Investors care because beneficial ownership reveals who truly controls value and voting power, affecting corporate decisions and takeover dynamics.

unvested restricted stock units financial

"a corresponding revision to the total amount of unvested restricted stock units in Table II"

contingent right financial

"Each restricted stock unit represents a contingent right to receive one share of Veeco common stock"

FAQ

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What insider activity did Veeco (VECO) report for CTO Peter Porshnev?

Veeco reported an amended insider filing for CTO Peter Porshnev. It corrects a prior Form 4 to show a 32,000 restricted stock unit award in the derivative table and updates his common stock and unvested RSU totals accordingly.

How many restricted stock units did the Veeco (VECO) CTO receive?

The Veeco CTO received 32,000 restricted stock units. Each RSU represents a contingent right to one share of Veeco common stock, granted under the Veeco Instruments 2019 Stock Incentive Plan and subject to time-based vesting conditions.

How do the Veeco (VECO) RSUs for the CTO vest over time?

The CTO’s RSUs vest in three equal annual installments. One-third of the 32,000 restricted stock units vests on each of the first, second and third anniversaries of the grant date, with common shares delivered when each tranche vests.

What are the Veeco (VECO) CTO’s holdings after this amended Form 4?

After the amendment, the CTO is reported holding 163,059.306 shares of Veeco common stock directly. He also has 40,267 unvested restricted stock units outstanding, reflecting updated totals in both the common stock and derivative sections.

Why was this Veeco (VECO) Form 4/A filed as an amendment?

The Form 4/A was filed voluntarily to correct the earlier Form 4. It moves the RSU grant into the derivative table, revises the total common stock beneficially owned, and updates the total unvested restricted stock units to reflect the proper classification.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Accepted by SEC EDGAR 05/08/2026 - 04:50 PM EDT

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

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)
	Chief Technology Officer

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
03/10/2026

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)
03/10/2026

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)
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	Code	V	Amount	(A) or (D)	Price		6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
Common Stock								163,059.306⁽¹⁾	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)
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)	Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares	8. Price of Derivative Security (Instr. 5)		10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
Restricted Stock Unit	⁽²⁾	03/10/2026		M		32,000		⁽³⁾	⁽³⁾	common stock	32,000	$0	40,267	D

Explanation of Responses:

1. Reflects an amendment being filed on a voluntary basis to amend the Form 4 filed by the Reporting Person on March 12, 2026. The amendment reflects (1) reporting of the applicable grant in Table II instead of Table I, (2) a corresponding revision to the total amount of securities beneficially owned in Table I and (3) a corresponding revision to the total amount of unvested restricted stock units in Table II.

2. Each restricted stock unit represents a contingent right to receive one share of Veeco common stock.

3. These restricted stock 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.

	/s/ Kirk W. Mackey, Attorney-in-Fact	05/08/2026
	** 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)

Source: View Original Filing on SEC EDGAR