Vicor (VICR) VP exercises 1,920 options into common shares on Jan. 7 2026

Rhea-AI Filing Summary

Vicor Corporation insider Philip D. Davies, VP Global Sales & Marketing and a director, reported an option exercise and share acquisition. On January 7, 2026, he exercised 1,920 non-qualified stock options at an exercise price of $41.61 per share, receiving 1,920 shares of common stock, all held directly.

The options were originally granted on May 2, 2023 under Vicor’s Amended and Restated 2000 Stock Option and Incentive Plan, vesting over five years, and expiring two years from each vesting date. After this transaction, Davies directly holds 1,920 common shares and 17,278 stock options.

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
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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^*

Davies Philip D

(Last) (First) (Middle)

25 FRONTAGE RD.

(Street)

ANDOVER MA 01810

(City) (State) (Zip)

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
X	Officer (give title below)		Other (specify below)
	VP Global Sales & Marketing

3. Date of Earliest Transaction (Month/Day/Year)
01/07/2026

4. If Amendment, Date of Original Filed (Month/Day/Year)

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

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	01/07/2026		M		1,920	A	$41.61	1,920	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	$41.61	01/07/2026		M			1,920	(1)	(2)	Common Stock	1,920	$0	17,278	D

Explanation of Responses:

1. Granted under the Companys Amended and Restated 2000 Stock Option and Incentive Plan on May 2, 2023 and vest over a five year period.

2. Options expire 2 years from each date of vesting.

	/s/Quentin A. Fendelet Attorney in fact for Philip D. Davies	01/08/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
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** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
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FAQ

What insider transaction did Vicor (VICR) report for Philip D. Davies?

Philip D. Davies, Vicor’s VP Global Sales & Marketing and a director, reported exercising 1,920 non-qualified stock options on January 7, 2026, acquiring 1,920 shares of common stock.

At what price were the Vicor (VICR) stock options exercised by Philip D. Davies?

Davies exercised his non-qualified stock options at an exercise price of $41.61 per share, receiving 1,920 shares of Vicor common stock.

How many Vicor (VICR) shares and options does Philip D. Davies hold after this Form 4 transaction?

Following the reported transaction, Davies directly holds 1,920 shares of Vicor common stock and 17,278 non-qualified stock options.

What plan governed the stock options exercised by Philip D. Davies at Vicor (VICR)?

The exercised options were granted under Vicor’s Amended and Restated 2000 Stock Option and Incentive Plan on May 2, 2023, vesting over five years.

When do the Vicor (VICR) options held by Philip D. Davies expire?

According to the disclosure, the options expire 2 years from each date of vesting, as stated in the explanation of responses.

What is the role of Philip D. Davies at Vicor (VICR) mentioned in the Form 4?

Philip D. Davies is identified as a Director and as an Officer with the title VP Global Sales & Marketing of Vicor Corporation.