Vicor VP Alex Gusinov acquires 3,075 shares

Q: How many VICR shares did Alex Gusinov acquire through option exercises?

Alex Gusinov acquired 3,075 shares of common stock through three non-qualified stock option exercises on November 3, 2026: 616 shares, 2,015 shares and 444 shares.

Q: What were the exercise prices for Alex Gusinov's VICR options?

The reported exercise prices were $60.61 per share for 616 shares, $41.61 per share for 2,015 shares, and $75.43 per share for 444 shares, all on November 3, 2026.

The three exercises involved options with three different exercise prices and resulted in 3,075 shares of common stock.

Available on EDGAR 11/04/2026 - 10:12 AM EST Accepted by SEC EDGAR 11/04/2026 - 10:11 AM EST

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Rhea-AI Filing Summary

VICOR CORP (VICR) Corp. VP -Engineering Alex Gusinov exercised three non-qualified stock options on November 3, 2026, acquiring 616, 2,015 and 444 shares of common stock at exercise prices of $60.61, $41.61 and $75.43 per share, respectively. Together, the exercises acquired 3,075 shares of common stock. No Rule 10b5-1 plan is reported.

Insider Trade Summary

3,075 shares exercised/converted

Exercise 6 txns

Insider Gusinov Alex

Role Corp. VP -Engineering

Type	Security	Shares	Price	Value
Exercise	Non Qualified Stock Option	616	$0.00	$0.00
Exercise	Non Qualified Stock Option	2,015	$0.00	$0.00
Exercise	Non Qualified Stock Option	444	$0.00	$0.00
Exercise	Common Stock	616	$60.61	$37K
Exercise	Common Stock	2,015	$41.61	$84K
Exercise	Common Stock	444	$75.43	$33K

Holdings After Transaction: Non Qualified Stock Option — 7,719 contracts (Direct); Common Stock — 9,064 shares (Direct)

Holdings Before and After: Non Qualified Stock Option, 10,794 to 7,719 contracts (Direct); Common Stock, 5,989 to 9,064 shares (Direct)

Key Figures

Common shares acquired through option exercise: 616 shares Common shares acquired through option exercise: 2,015 shares Common shares acquired through option exercise: 444 shares +3 more

6 metrics

Common shares acquired through option exercise 616 shares November 3, 2026; exercise price $60.61 per share

Common shares acquired through option exercise 2,015 shares November 3, 2026; exercise price $41.61 per share

Common shares acquired through option exercise 444 shares November 3, 2026; exercise price $75.43 per share

Exercise price $60.61 per share For 616 common shares acquired November 3, 2026

Exercise price $41.61 per share For 2,015 common shares acquired November 3, 2026

Exercise price $75.43 per share For 444 common shares acquired November 3, 2026

Key Terms

Non Qualified Stock Option, derivative security, Rule 10b5-1 plan

3 terms

Non Qualified Stock Option financial

"Non Qualified Stock Option"

derivative security financial

"Exercise or conversion of derivative security"

A derivative security is a financial contract whose value comes from the price or performance of something else, such as a stock, bond, commodity, or market index. For investors it acts like an insurance policy or a wager: it can be used to protect against losses, lock in prices, or amplify gains and losses, so it can change a portfolio’s risk and potential return without owning the underlying asset directly.

Rule 10b5-1 plan financial

"No Rule 10b5-1 plan is reported"

A Rule 10b5-1 plan is a prearranged, written schedule that lets corporate insiders buy or sell company stock at set times or amounts, even if they later learn material nonpublic information. Think of it like setting an automatic thermostat for trades: it creates a clear record that trades were planned in advance, reducing the risk of insider-trading accusations and helping investors trust that insider transactions are routine rather than based on secret information.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

How many VICR shares did Alex Gusinov acquire through option exercises?

Alex Gusinov acquired 3,075 shares of common stock through three non-qualified stock option exercises on November 3, 2026: 616 shares, 2,015 shares and 444 shares.

What were the exercise prices for Alex Gusinov's VICR options?

The reported exercise prices were $60.61 per share for 616 shares, $41.61 per share for 2,015 shares, and $75.43 per share for 444 shares, all on November 3, 2026.

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

Form 4 Insider Transactions: What Each Field Means →

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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^*

Gusinov Alex

(Last)

(First)

(Middle)

25 FRONTAGE RD.

(Street)

ANDOVER

MASSACHUSETTS

01810

(City)

(State)

(Zip)

UNITED STATES

(Country)

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

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

	Director	10% Owner
X	Officer (give title below)	Other (specify below)
	Corp. VP -Engineering

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
11/03/2026

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)
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	11/03/2026	11/03/2026	M		616	A	$60.61	6,605	D
Common Stock	11/03/2026	11/03/2026	M		2,015	A	$41.61	8,620	D
Common Stock	11/03/2026	11/03/2026	M		444	A	$75.43	9,064	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)
Non Qualified Stock Option	$60.61	11/03/2026	11/03/2026	M			616	04/25/2025	04/25/2027	Common Stock	616	$0	1,232	D
Non Qualified Stock Option	$41.61	11/03/2026	11/03/2026	M			2,015	05/02/2025	05/02/2027	Common Stock	2,015	$0	6,043	D
Non Qualified Stock Option	$75.43	11/03/2026	11/03/2026	M			444	05/12/2025	05/12/2027	Common Stock	444	$0	444	D

Explanation of Responses:

	/s/Quentin A. Fendelet Attorney in Fact for Alex Gusinov	11/04/2026
	** 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