Vicor (VICR) HR VP awarded 1,049 stock options at $266.01

Rhea-AI Filing Summary

Vicor Corp VP of Human Resources Nancy L. Grava received a grant of stock options, acquiring 1,049 options for common stock as compensation. The non-qualified stock options have an exercise price of $266.005 per share, were granted under Vicor’s Amended and Restated 2000 Stock Option and Incentive Plan, and vest over five years. The options expire two years after each vesting date, and this grant brings her directly held option position reported in this filing to 1,049 options.

Insider Trade Summary

1 transaction reported

Mixed 1 txn

Insider Grava Nancy L

Role VP-Human Resources

Type	Security	Shares	Price	Value
Grant/Award	Non Qualified Stock Option	1,049	$0.00	--

Holdings After Transaction: Non Qualified Stock Option — 1,049 shares (Direct, null)

Footnotes (1)

1. Granted under the Companys 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

Options granted: 1,049 options Exercise price: $266.005 per share Underlying shares: 1,049 shares +2 more

5 metrics

Options granted 1,049 options Non-qualified stock option grant to VP-Human Resources

Exercise price $266.005 per share Exercise price for granted non-qualified stock options

Underlying shares 1,049 shares Common stock underlying the option grant

Vesting period Five years Options vest over a five-year period

Post-vesting expiration Two 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 Companys Amended and Restated 2000 Stock Option and Incentive Plan"

vest over a five year period financial

"granted ... on May 5, 2026 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^*

Grava Nancy L

(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)
	VP-Human Resources

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

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		1,049		(1)	(2)	Common Stock	1,049	$0	1,049	D

Explanation of Responses:

1. Granted under the Companys 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 Nancy L. Grava	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 did Vicor (VICR) executive Nancy L. Grava report in this Form 4?

Nancy L. Grava, Vicor’s VP of Human Resources, reported receiving a grant of 1,049 non-qualified stock options. These options relate to Vicor common stock and are part of her equity compensation under the company’s Amended and Restated 2000 Stock Option and Incentive Plan.

How many Vicor stock options were granted to Nancy L. Grava and at what price?

Nancy L. Grava was granted 1,049 non-qualified stock options for Vicor common stock at an exercise price of $266.005 per share. This price is what she must pay per share if she chooses to exercise the options in the future.

When do Nancy L. Grava’s Vicor stock options vest and expire?

The granted stock options vest over a five-year period, meaning portions become exercisable gradually over those years. Each vested portion expires two years from its respective vesting date, limiting how long she can wait before exercising each tranche.

Are Nancy L. Grava’s Vicor stock options a market purchase or compensation grant?

These options are a compensation grant, not a market purchase. The transaction code A and footnotes show they were granted under Vicor’s Amended and Restated 2000 Stock Option and Incentive Plan as part of her executive compensation package.

How many Vicor stock options does Nancy L. Grava hold after this transaction?

After this transaction, Nancy L. Grava holds 1,049 stock options directly, as reported in the filing. This total equals the number of options granted in the reported transaction, indicating this grant establishes her reported option position in this filing.