Vicor director sells 800 shares, exercises options

VICOR CORP director Jason Carlson reported combined option and share transactions in company stock.

Accepted by SEC EDGAR 05/08/2026 - 10:27 AM EDT Learn about SEC filing dates

Rhea-AI Filing Summary

VICOR CORP director Jason Carlson reported combined option and share transactions in company stock. The filing shows an open-market sale of 800 shares of Common Stock at $275.09 per share on May 6, 2026, leaving no directly held common shares. On the same date, he exercised Non Qualified Stock Options to acquire 800 shares of Common Stock at an exercise price of $100.00 per share and now holds 200 such options, which expire on June 25, 2031.

Insider Trade Summary

Exercise and Sale: 800 shares ($140K approx. pre-tax spread)

Exercise and Sale 3 txns

Insider CARLSON JASON

Role Director

Sold 800 shs ($220K)

Approx. gross sale proceeds $220K

Approx. exercise cost $80K

Approx. pre-tax spread $140K

Share of Position Sold 100%

Type	Security	Shares	Price	Value
Exercise	Non Qualified Stock Option	800	$0.00	$0.00
Exercise	Common Stock	800	$100.00	$80K
Sale	Common Stock	800	$275.09	$220K

Holdings After Transaction: Non Qualified Stock Option — 200 contracts (Direct); Common Stock — 0 shares (Direct)

Holdings Before and After: Non Qualified Stock Option, 1,000 to 200 contracts (Direct); Common Stock, 0 to 0 shares (Direct)

Other Insiders: 8 other insiders reported open-market sales of this stock in the 30 days up to this filing.

Footnotes (1)

1. F1. Granted on June 25, 2021 and vests over five years.

Key Figures

Shares sold: 800 shares Sale price: $275.09 per share Options exercised: 800 shares +4 more

7 metrics

Shares sold 800 shares Open-market sale of Common Stock on May 6, 2026

Sale price $275.09 per share Open-market sale of 800 Common shares

Options exercised 800 shares Non Qualified Stock Option exercise on May 6, 2026

Option exercise price $100.00 per share Non Qualified Stock Option for Common Stock

Remaining options 200 options Non Qualified Stock Options following exercise

Option expiration June 25, 2031 Non Qualified Stock Option expiry date

Net share change -800 shares Net of sales and exercises reported in Form 4

Key Terms

open-market sale, Non Qualified Stock Option, derivative exercise/conversion, net-sell, +1 more

5 terms

open-market sale financial

"The filing shows an open-market sale of 800 shares of Common Stock"

An open-market sale is when a shareholder sells existing shares directly on a public exchange to any willing buyer, rather than through a private deal. Think of it like putting goods on a busy market stall where price is set by supply and demand; for investors it matters because such sales increase available supply, can put short-term downward pressure on the stock price, and signal changes in liquidity or investor confidence.

Non Qualified Stock Option financial

"He exercised Non Qualified Stock Options covering 800 shares of VICOR CORP"

derivative exercise/conversion financial

"transaction_action is described as derivative exercise/conversion for the option"

net-sell financial

"transactionSummary lists netBuySellDirection as net-sell based on reported trades"

transaction code "S" regulatory

"It uses transaction code “S,” described as a sale in an open market"

FAQ

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

What insider transactions did VICR director Jason Carlson report on May 6, 2026?

Jason Carlson reported an open-market sale of 800 VICOR CORP common shares and the exercise of Non Qualified Stock Options for 800 shares on May 6, 2026. These transactions affected both his direct share ownership and his remaining option position.

How many VICR shares did Jason Carlson sell and at what price?

Jason Carlson sold 800 shares of VICOR CORP Common Stock in an open-market transaction at $275.09 per share. This sale reduced his directly held common share balance to zero, according to the post-transaction ownership reported in the filing.

What stock options did Jason Carlson exercise in the latest VICR Form 4?

He exercised Non Qualified Stock Options covering 800 shares of VICOR CORP Common Stock at an exercise price of $100.00 per share. The options were originally granted on June 25, 2021 and vest over five years, as disclosed in the footnote.

What VICR equity holdings does Jason Carlson retain after these transactions?

After the reported transactions, Jason Carlson holds 200 Non Qualified Stock Options for VICOR CORP shares, with an expiration date of June 25, 2031. The filing shows no remaining directly owned common shares following the 800-share open-market sale.

How does the VICR Form 4 characterize Jason Carlson’s share sale?

The Form 4 characterizes Jason Carlson’s 800-share transaction as an open-market sale of Common Stock. It uses transaction code “S,” described as a sale in an open market or private transaction, and labels the transaction direction clearly as a sale.

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^*

CARLSON JASON

(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)

X	Director		10% Owner
	Officer (give title below)		Other (specify below)

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
05/06/2026

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
Common Stock	05/06/2026		M		800	A	$100	800	D
Common Stock	05/06/2026		S		800	D	$275.09	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	$100	05/06/2026		M			800	(1)	06/25/2031	Common Stock	800	$0	200	D

Explanation of Responses:

1. Granted on June 25, 2021 and vests over five years.

	/s/Kemble D. Morrison Attorney in fact for Jason Carlson	05/08/2026
	** 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)