VICR insider trades: 6,404 options exercised and shares sold

Rhea-AI Filing Summary

Vicor Corp (VICR) reported insider activity by a corporate vice president/director on 11/12/2025. The insider exercised non-qualified stock options for 6,404 shares at strike prices of $31.05, $32.89, $53.07, $60.61, and $75.43, and sold 6,404 shares at $94.5799.

Following the transactions, the insider directly owns 33,622 shares of common stock. The activity reflects same-day option exercises (code M) paired with open market sales (code S) at the stated prices.

Insider Trade Summary

Exercise and Sale: 6,404 shares ($297K approx. pre-tax spread)

Exercise and Sale 15 txns

Insider Tuozzolo Claudio

Role Corp. Vice President

Sold 6,404 shs ($606K)

Approx. gross sale proceeds $606K

Approx. exercise cost $308K

Approx. pre-tax spread $297K

Type	Security	Shares	Price	Value
Exercise	Non Qualified Stock Option	1,508	$0.00	$0.00
Exercise	Non Qualified Stock Option	1,202	$0.00	$0.00
Exercise	Non Qualified Stock Option	866	$0.00	$0.00
Exercise	Non Qualified Stock Option	1,217	$0.00	$0.00
Exercise	Non Qualified Stock Option	1,611	$0.00	$0.00
Exercise	Common Stock	1,508	$53.07	$80K
Sale	Common Stock	1,508	$94.5799	$143K
Exercise	Common Stock	1,202	$60.61	$73K
Sale	Common Stock	1,202	$94.5799	$114K
Exercise	Common Stock	866	$75.43	$65K
Sale	Common Stock	866	$94.5799	$82K
Exercise	Common Stock	1,217	$32.89	$40K
Sale	Common Stock	1,217	$94.5799	$115K
Exercise	Common Stock	1,611	$31.05	$50K
Sale	Common Stock	1,611	$94.5799	$152K

Holdings After Transaction: Non Qualified Stock Option — 10,395 shares (Direct); Common Stock — 33,622 shares (Direct)

Footnotes (1)

1. F1. Options expire 2 years from each vesting date.

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Form 4 Insider Transactions: What Each Field Means →

Accepted by SEC EDGAR 11/13/2025 - 04:24 PM Learn about SEC filing dates

FAQ

What did VICRs insider report on Form 4?

A corporate vice president/director exercised non-qualified stock options for 6,404 shares and sold 6,404 shares on 11/12/2025.

How many VICR shares were sold and at what price?

The insider sold 6,404 shares at $94.5799 per share.

What option exercise prices were used?

Options were exercised at $31.05, $32.89, $53.07, $60.61, and $75.43.

What is the insiders direct ownership after the transactions?

Direct ownership is 33,622 shares of common stock after the reported transactions.

What transaction codes appear on the filing?

Option exercises are coded M and share sales are coded S.

What type of derivative security was exercised?

The filing lists non-qualified stock options exercisable into common stock.

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^*

Tuozzolo Claudio

(Last) (First) (Middle)

25 FRONTAGE ROAD

(Street)

ANDOVER MA 01810

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
VICOR CORP [ vicr ]

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

X	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	Corp. Vice President

3. Date of Earliest Transaction (Month/Day/Year)
11/12/2025

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	11/12/2025		M		1,508	A	$53.07	35,130	D
Common Stock	11/12/2025		S		1,508	D	$94.5799	33,622	D
Common Stock	11/12/2025		M		1,202	A	$60.61	34,824	D
Common Stock	11/12/2025		S		1,202	D	$94.5799	33,622	D
Common Stock	11/12/2025		M		866	A	$75.43	34,488	D
Common Stock	11/12/2025		S		866	D	$94.5799	33,622	D
Common Stock	11/12/2025		M		1,217	A	$32.89	34,839	D
Common Stock	11/12/2025		S		1,217	D	$94.5799	33,622	D
Common Stock	11/12/2025		M		1,611	A	$31.05	35,233	D
Common Stock	11/12/2025		S		1,611	D	$94.5799	33,622	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
Non Qualified Stock Option	$53.07	11/12/2025		M			1,508	06/23/2025	06/23/2033	Common Stock	1,508	$0	2,261	D
Non Qualified Stock Option	$60.61	11/12/2025		M			1,202	04/25/2025	(1)	Common Stock	1,202	$0	2,404	D
Non Qualified Stock Option	$75.43	11/12/2025		M			866	05/12/2025	(1)	Common Stock	866	$0	866	D
Non Qualified Stock Option	$32.89	11/12/2025		M			1,217	06/21/2025	06/21/2034	Common Stock	1,217	$0	4,864	D
Non Qualified Stock Option	$31.05	11/12/2025		M			1,611	06/28/2024	06/28/2029	Common Stock	1,611	$0	0	D

Explanation of Responses:

1. Options expire 2 years from each vesting date.

	/s/Kemble D. Morrison Attorney in fact for Claudio Tuozzolo	11/13/2025
	** 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.