Vicor director granted 548 stock options

Vicor Corp director Zheng John Shen received a compensation-related equity grant.

Rhea-AI Filing Summary

Vicor Corp director Zheng John Shen received a compensation-related equity grant. He was awarded a non-qualified stock option covering 548 shares of common stock at an exercise price of $365.53 per share, expiring on June 22, 2036. The option was granted under Vicor’s Amended and Restated 2000 Stock Option and Incentive Plan and vests over a five-year period, leaving him with 548 derivative securities following this grant.

Insider Trade Summary

Grant/Award: 548 shares

Grant/Award 1 txn

Insider Shen Zheng John

Role Director

Type	Security	Shares	Price	Value
Grant/Award	Non Qualified Stock Option	548	$0.00	$0.00

Holdings After Transaction: Non Qualified Stock Option — 548 contracts (Direct)

Footnotes (1)

1. F1. Granted under the Companys Amended and Restated 2000 Stock Option and Incentive Plan on June 22, 2026 and vest over a five year period.

Key Figures

Options granted: 548 options Exercise price: $365.53 per share Underlying shares: 548 shares +3 more

6 metrics

Options granted 548 options Non-qualified stock option grant on June 22, 2026

Exercise price $365.53 per share Conversion/exercise price for granted options

Underlying shares 548 shares Vicor common stock underlying the option grant

Expiration date June 22, 2036 Option term end date

Derivative holdings after grant 548 derivative securities Total options held following this transaction

Vesting period Five years Options vest over five-year period from grant

Key Terms

Non Qualified Stock Option, Amended and Restated 2000 Stock Option and Incentive Plan, vest over a five year period, underlying security

4 terms

Non Qualified Stock Option financial

"security_title: "Non Qualified Stock Option""

Amended and Restated 2000 Stock Option and Incentive Plan financial

"Granted under the Companys Amended and Restated 2000 Stock Option and Incentive Plan"

vest over a five year period financial

"and vest over a five year period"

underlying security financial

"underlying_security_title: "Common Stock" and underlying_security_shares"

FAQ

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

What did Vicor (VICR) director Zheng John Shen report in this Form 4?

He reported receiving a grant of 548 non-qualified stock options. These options are tied to Vicor common stock and represent a compensation award rather than an open-market stock purchase or sale.

How many Vicor (VICR) stock options were granted to director Zheng John Shen?

He was granted 548 non-qualified stock options. Each option corresponds to one share of Vicor common stock, giving him rights over 548 underlying shares if the options are eventually exercised.

What is the exercise price of Zheng John Shen’s Vicor (VICR) stock options?

The options have an exercise price of $365.53 per share. This means he can buy Vicor common stock at $365.53 for each option he chooses to exercise, subject to vesting and expiration terms.

When do Zheng John Shen’s Vicor (VICR) stock options expire?

The non-qualified stock options expire on June 22, 2036. If they are not exercised by that date, they lapse and can no longer be used to purchase Vicor common shares under the grant terms.

How do Zheng John Shen’s Vicor (VICR) options vest over time?

The options vest over a five-year period from the June 22, 2026 grant date. Vesting means portions of the grant become exercisable over time, aligning the director’s equity incentives with longer-term company performance.

Under which plan were the Vicor (VICR) stock options granted to Zheng John Shen?

They were granted under Vicor’s Amended and Restated 2000 Stock Option and Incentive Plan. This plan governs terms like vesting schedules, exercise rights, and expiration for equity awards granted to eligible participants.

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

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Accepted by SEC EDGAR 06/24/2026 - 08:14 AM 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^*

Shen Zheng John

(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)

X	Director		10% Owner
	Officer (give title below)		Other (specify below)

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
06/22/2026

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)
			Code	V	Amount	(A) or (D)	Price

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	$365.53	06/22/2026		A		548		(1)	06/22/2036	Common Stock	548	$0	548	D

Explanation of Responses:

1. Granted under the Companys Amended and Restated 2000 Stock Option and Incentive Plan on June 22, 2026 and vest over a five year period.

	/s/Quentin A. Fendelet Attorney in Fact for Zheng John Shen	06/24/2026
	** 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)