VICOR (NASDAQ: VICR) VP Sean Crilly granted 373 stock options at $266.005

Rhea-AI Filing Summary

VICOR CORP corporate vice president Sean Crilly received a stock option grant as part of his compensation. He was awarded non-qualified options for 373 shares of common stock at an exercise price of $266.005 per share, granted under the company’s Amended and Restated 2000 Stock Option and Incentive Plan.

The options vest over a five-year period and each vested portion expires two years after its vesting date. Following this grant, Crilly holds 9,729 shares of common stock directly and 3,734 non-qualified stock options, giving him additional equity-based incentives tied to VICOR’s share price over time.

Insider Trade Summary

2 transactions reported

Mixed 2 txns

Insider CRILLY SEAN

Role Corp. VP-Eng., Pwr Syst

Type	Security	Shares	Price	Value
Grant/Award	Non Qualified Stock Option	373	$0.00	--
holding	Common Stock	--	--	--

Holdings After Transaction: Non Qualified Stock Option — 3,734 shares (Direct, null); Common Stock — 9,729 shares (Direct, null)

Footnotes (1)

1. Granted under the Company's Amended and Restated 2000 Stock Option and Incentive Plan on May 5, 2026 and vest over a five year period. Options expire 2 years from each vesting date.

Key Figures

Option grant size: 373 options Exercise price: $266.005 per share Underlying shares: 373 shares +4 more

7 metrics

Option grant size 373 options Non-qualified stock options granted to Sean Crilly

Exercise price $266.005 per share Exercise price of newly granted options

Underlying shares 373 shares Common stock underlying the new options

Options after grant 3,734 options Total non-qualified stock options held after transaction

Common shares held 9,729 shares Common stock directly held after transaction

Vesting period Five years Options vest over a five year period

Post-vesting expiry 2 years Options expire two years from each vesting date

Key Terms

Non Qualified Stock Option, Amended and Restated 2000 Stock Option and Incentive Plan, vest over a five year period, Options expire 2 years from each vesting date

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 Company's Amended and Restated 2000 Stock Option and Incentive Plan"

vest over a five year period financial

"and vest over a five year period."

Options expire 2 years from each vesting date financial

"Options expire 2 years from each vesting date."

Form 4 Insider Transactions: What Each Field Means →

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^*

CRILLY SEAN

(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-Eng., Pwr Syst

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
05/05/2026

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
Common Stock								9,729	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	$266.005	05/05/2026		A		373		(1)	(2)	Common Stock	373	$0	3,734	D

Explanation of Responses:

1. Granted under the Company's Amended and Restated 2000 Stock Option and Incentive Plan on May 5, 2026 and vest over a five year period.

2. Options expire 2 years from each vesting date.

	/s/Kemble D. Morrison Attorney in fact for Sean Crilly	05/06/2026
	** 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)

FAQ

What insider transaction did VICR executive Sean Crilly report on this Form 4?

Sean Crilly reported receiving a grant of non-qualified stock options for 373 shares of VICOR CORP common stock. The award is part of his compensation package and was issued under the company’s Amended and Restated 2000 Stock Option and Incentive Plan.

What is the exercise price of Sean Crilly’s new VICR stock options?

The newly granted non-qualified stock options have an exercise price of $266.005 per share. This is the price Crilly must pay to convert each option into one share of VICOR CORP common stock once the options have vested.

How many VICR shares are covered by Sean Crilly’s new option grant?

The option grant covers 373 shares of VICOR CORP common stock. Each option corresponds to one underlying share, giving Crilly the right, once vested, to purchase up to 373 shares at the fixed exercise price of $266.005.

What is Sean Crilly’s VICR stock and option position after this Form 4 transaction?

After the reported grant, Sean Crilly directly holds 9,729 shares of VICOR CORP common stock and 3,734 non-qualified stock options. The filing shows these positions as his direct holdings following the award of 373 additional options.

How do Sean Crilly’s new VICR options vest and when do they expire?

The options vest over a five-year period, meaning portions become exercisable over time. According to the footnotes, each vested portion expires two years from its respective vesting date, limiting how long Crilly can exercise each tranche.

Under which plan were Sean Crilly’s new VICR options granted?

The options were granted under VICOR CORP’s Amended and Restated 2000 Stock Option and Incentive Plan. This plan governs equity-based awards such as non-qualified stock options that the company issues to executives and employees as part of their compensation.