Vicor awards 497 stock options to controller

Vicor Corp reported that VP-Corporate Controller Kemble D. Morrison received a grant of 497 non-qualified stock options for Vicor common stock.

Rhea-AI Filing Summary

Vicor Corp reported that VP-Corporate Controller Kemble D. Morrison received a grant of 497 non-qualified stock options for Vicor common stock. The options have an exercise price of $266.005 per share, were granted under the company’s Amended and Restated 2000 Stock Option and Incentive Plan, and vest over a five-year period. Following this compensation-related award, Morrison holds 497 derivative securities linked to common shares, with each option expiring two years after its respective vesting date.

Insider Trade Summary

Grant/Award: 497 shares

Grant/Award 1 txn

Insider Morrison Kemble D

Role Insider

Type	Security	Shares	Price	Value
Grant/Award	Non Qualified Stock Option	497	$0.00	$0.00

Holdings After Transaction: Non Qualified Stock Option — 497 contracts (Direct)

Footnotes (2)

1. F1. 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. F2. Options expire 2 years from each date of vesting.

Key Figures

Options granted: 497 options Exercise price: $266.005 per share Underlying shares: 497 shares +2 more

5 metrics

Options granted 497 options Non-qualified stock options granted on May 5, 2026

Exercise price $266.005 per share Strike price for each granted option

Underlying shares 497 shares Common stock underlying the new options

Total derivative holdings 497 options Total options held following this grant

Vesting period 5 years Options vest over a five-year period

Key Terms

Non Qualified Stock Option, Amended and Restated 2000 Stock Option and Incentive Plan, exercise price, vest over a five year period, +1 more

5 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"

exercise price financial

"conversion_or_exercise_price: "266.0050""

The exercise price is the fixed amount at which you can buy or sell an asset, like a stock, when using an options contract. It matters because it helps determine whether exercising the option will be profitable or not, depending on the current market price. Think of it as the set price you agree on today to buy or sell later.

vest over a five year period financial

"and vest over a five year period"

derivative securities financial

"Non Qualified Stock Option listed as a derivative security"

Financial contracts whose value is tied to the price or performance of another asset, such as a stock, bond, commodity, index, or currency; examples include options, futures and swaps. They matter to investors because they let you protect against price swings, bet on future moves or gain larger exposure with less upfront cash—like using a lever or insurance policy on an investment—so they can amplify gains and losses and help manage portfolio risk.

FAQ

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

What did Vicor (VICR) executive Kemble D. Morrison report on this Form 4?

Kemble D. Morrison reported receiving 497 non-qualified stock options as compensation. These options relate to Vicor common stock and were granted under the company’s Amended and Restated 2000 Stock Option and Incentive Plan on May 5, 2026.

How many Vicor (VICR) stock options were granted to Kemble D. Morrison?

Kemble D. Morrison was granted 497 non-qualified stock options. Each option is exercisable into one share of Vicor common stock, reflecting a relatively small, routine equity compensation award for the VP-Corporate Controller role.

What is the exercise price of Kemble D. Morrison’s new Vicor (VICR) options?

The options have an exercise price of $266.005 per share. This represents the price Morrison must pay per share to convert each option into Vicor common stock when the options become exercisable after vesting.

How do Kemble D. Morrison’s Vicor (VICR) options vest over time?

The 497 options vest over a five-year period. This means the right to exercise the options is earned gradually across five years, aligning Morrison’s compensation with longer-term company performance and continued service.

When do Kemble D. Morrison’s newly granted Vicor (VICR) options expire?

Each tranche of options expires two years from its vesting date. If Morrison does not exercise a vested option within two years after that vesting date, the right to buy the underlying Vicor share at $266.005 lapses.

How many Vicor (VICR) derivative securities does Kemble D. Morrison hold after this grant?

After this transaction, Kemble D. Morrison holds 497 derivative securities. These reflect the newly granted non-qualified stock options, all held directly, linked to an equal number of potential Vicor common shares.

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

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Accepted by SEC EDGAR 05/06/2026 - 04:38 PM 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^*

Morrison Kemble D

(Last) (First) (Middle)

25 FRONTAGE ROAD

(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
	Officer (give title below)	X	Other (specify below)
			VP-Corporate Controller

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		497		(1)	(2)	Common Stock	497	$0	497	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 date of vesting.

	/s/ Kemble D. Morrison	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)