Vicor Corporation (VICR) director details 12/10/2025 option exercises and sales

Rhea-AI Filing Summary

Vicor Corporation director Jason Carlson reported a series of stock option exercises and same-day stock sales dated 12/10/2025. He exercised several non-qualified stock option grants with exercise prices ranging from $19.35 to $68.48 per share, receiving equivalent amounts of Vicor common stock.

On the same date, he sold the acquired shares in multiple transactions at a reported price of $100.2389 per share. After each reported sale, the number of directly held Vicor common shares was listed as zero, indicating no directly owned common stock at the end of these transactions.

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

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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^*

CARLSON JASON

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

3. Date of Earliest Transaction (Month/Day/Year)
12/10/2025

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	12/10/2025		M		516	A	$19.35	516	D
Common Stock	12/10/2025		S		516	D	$100.2389	0	D
Common Stock	12/10/2025		M		1,061	A	$47.15	1,061	D
Common Stock	12/10/2025		S		1,061	D	$100.2389	0	D
Common Stock	12/10/2025		M		1,611	A	$31.05	1,611	D
Common Stock	12/10/2025		S		1,611	D	$100.2389	0	D
Common Stock	12/10/2025		M		1,217	A	$32.89	1,217	D
Common Stock	12/10/2025		S		1,217	D	$100.2389	0	D
Common Stock	12/10/2025		M		995	A	$60.37	995	D
Common Stock	12/10/2025		S		995	D	$100.2389	0	D
Common Stock	12/10/2025		M		1,508	A	$53.07	1,508	D
Common Stock	12/10/2025		S		1,508	D	$100.2389	0	D
Common Stock	12/10/2025		M		731	A	$68.48	731	D
Common Stock	12/10/2025		S		731	D	$100.2389	0	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	$19.35	12/10/2025		M			516	06/16/2022	06/16/2027	Common Stock	516	$0	0	D
Non Qualified Stock Option	$47.15	12/10/2025		M			1,061	06/15/2023	06/15/2028	Common Stock	1,061	$0	0	D
Non Qualified Stock Option	$31.05	12/10/2025		M			1,611	06/28/2024	06/28/2029	Common Stock	1,611	$0	0	D
Non Qualified Stock Option	$32.89	12/10/2025		M			1,217	06/21/2025	06/21/2034	Common Stock	1,217	$0	4,864	D
Non Qualified Stock Option	$60.37	12/10/2025		M			995	06/24/2025	06/24/2032	Common Stock	995	$0	662	D
Non Qualified Stock Option	$53.07	12/10/2025		M			1,508	06/23/2025	06/23/2033	Common Stock	1,508	$0	2,261	D
Non Qualified Stock Option	$68.48	12/10/2025		M			731	06/26/2025	06/26/2030	Common Stock	731	$0	0	D

Explanation of Responses:

	/s/Kemble D. Morrison Attorney in fact for Jason Carlson	12/12/2025
	** 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.

FAQ

What insider transactions did Vicor (VICR) report on 12/10/2025?

The disclosure shows director Jason Carlson exercised several non-qualified stock options on 12/10/2025 and acquired Vicor common stock, then sold the shares in multiple same-day transactions.

What prices were involved in the Vicor (VICR) director’s option exercises and stock sales?

The non-qualified stock options had exercise prices between $19.35 and $68.48 per share, and the resulting common shares were sold at a reported price of $100.2389 per share.

What is the reporting person’s relationship to Vicor (VICR)?

The reporting person, Jason Carlson, is identified as a director of Vicor Corporation.

How many reporting persons are covered in this Vicor (VICR) Form 4?

The document indicates that it is a Form 4 filed by one reporting person.

Did the Vicor (VICR) director hold common stock directly after the reported transactions?

For each reported sale of common stock, the amount of securities beneficially owned following the transaction is listed as zero shares held directly.

What types of derivative securities are involved in the Vicor (VICR) insider transactions?

The transactions involve non-qualified stock options, each linked to a specified number of underlying Vicor common shares with stated exercise prices and expiration dates.