Vicor director exercises 800 stock options at $100

Vicor director Samuel J. Anderson exercised stock options and increased his direct shareholdings.

Accepted by SEC EDGAR 01/16/2026 - 11:57 AM EST Learn about SEC filing dates

Rhea-AI Filing Summary

Vicor director Samuel J. Anderson exercised stock options and increased his direct shareholdings. On 01/15/2026, he exercised a non‑qualified stock option with a $100 exercise price for 800 shares of Vicor common stock, acquiring 800 shares at $100 per share.

These options were originally granted on 06/25/2021 under the company’s Amended and Restated 2000 Stock Option and Incentive Plan and vest over five years, with an expiration date of 06/25/2031. Following this transaction, Anderson directly holds 9,898 shares of Vicor common stock and 200 non‑qualified stock options.

Insider Trade Summary

800 shares exercised/converted

Exercise 2 txns

Insider ANDERSON SAMUEL J

Role Director

Type	Security	Shares	Price	Value
Exercise	Non Qualified Stock Option	800	$0.00	$0.00
Exercise	Common Stock	800	$100.00	$80K

Holdings After Transaction: Non Qualified Stock Option — 200 contracts (Direct); Common Stock — 9,898 shares (Direct)

Holdings Before and After: Non Qualified Stock Option, 1,000 to 200 contracts (Direct); Common Stock, 9,098 to 9,898 shares (Direct)

Footnotes (1)

1. F1. Granted on 6/25/2021 under the Company's Amended and Restated 2000 Stock Option and Incentive Plan and vest over a five year period.

FAQ

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

What insider transaction did Vicor (VICR) report for Samuel J. Anderson?

Vicor reported that director Samuel J. Anderson exercised a non‑qualified stock option for 800 shares of common stock on 01/15/2026.

At what price were Samuel J. Anderson’s Vicor options exercised?

The non‑qualified stock option was exercised at a $100 exercise price per share, resulting in the acquisition of 800 shares of Vicor common stock.

How many Vicor shares does Samuel J. Anderson own after this Form 4 transaction?

After the reported transaction, Samuel J. Anderson directly owns 9,898 shares of Vicor common stock.

How many Vicor stock options remain after the exercise reported on this Form 4?

Following the exercise of 800 options, 200 non‑qualified stock options remain beneficially owned by Samuel J. Anderson.

When were Samuel J. Anderson’s Vicor options originally granted and when do they expire?

The options were granted on 06/25/2021 under Vicor’s Amended and Restated 2000 Stock Option and Incentive Plan, vest over a five‑year period, and have an expiration date of 06/25/2031.

What is Samuel J. Anderson’s relationship to Vicor (VICR)?

According to the filing, Samuel J. Anderson is a director of Vicor Corporation and is not listed as an officer or 10% owner.

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

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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^*

ANDERSON SAMUEL J

(Last) (First) (Middle)

25 FRONTAGE ROAD

(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
	Officer (give title below)		Other (specify below)

3. Date of Earliest Transaction (Month/Day/Year)
01/15/2026

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	01/15/2026		M		800	A	$100	9,898	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	$100	01/15/2026		M			800	(1)	06/25/2031	Common Stock	800	$0	200	D

Explanation of Responses:

1. Granted on 6/25/2021 under the Company's Amended and Restated 2000 Stock Option and Incentive Plan and vest over a five year period.

	/s/Kemble D. Morrison Attorney in fact for Samuel J. Anderson	01/16/2026
	** 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.
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