Vicor CFO exercises options, sells 5,000 shares

Vicor Corp director and CFO James F. Schmidt reported an exercise-and-sale transaction in company common stock.

Rhea-AI Filing Summary

Vicor Corp director and CFO James F. Schmidt reported an exercise-and-sale transaction in company common stock. On June 1, 2026, he sold a total of 5,000 shares in a series of open-market trades at weighted average prices ranging from $312.80 to $329.52 per share, under a pre-arranged Rule 10b5-1 trading plan adopted on December 10, 2025. The sales were paired with the exercise of 5,000 non-qualified stock options at an exercise price of $93.33 per share. Following these transactions, the filing shows no remaining common stock holdings and no remaining derivative position from this option grant.

Insider Trade Summary 10b5-1

Exercise and Sale: 5,000 shares ($1.14M approx. pre-tax spread)

Exercise and Sale 14 txns

Insider Schmidt James F

Role CFO, Treasurer, Secretary

Sold 5,000 shs ($1.61M)

Approx. gross sale proceeds $1.61M

Approx. exercise cost $467K

Approx. pre-tax spread $1.14M

Type	Security	Shares	Price	Value
Exercise	Non Qualified Stock Option	5,000	$0.00	$0.00
Exercise	Common Stock	5,000	$93.33	$467K
Sale	Common Stock	400	$313.3625	$125K
Sale	Common Stock	400	$314.855	$126K
Sale	Common Stock	500	$316.33	$158K
Sale	Common Stock	500	$318.888	$159K
Sale	Common Stock	200	$319.915	$64K
Sale	Common Stock	400	$322.0025	$129K
Sale	Common Stock	600	$323.545	$194K
Sale	Common Stock	900	$324.9732	$292K
Sale	Common Stock	200	$325.68	$65K
Sale	Common Stock	101	$326.939	$33K
Sale	Common Stock	599	$328.5187	$197K
Sale	Common Stock	200	$329.515	$66K

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

Footnotes (13)

1. F1. This sale was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on December 10, 2025.
2. F2. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $312.8000 to $313.6800.
3. F3. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $314.6500 to $315.1900.
4. F4. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $315.9200 to $316.5500.
5. F5. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $318.4300 to $319.2400.
6. F6. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $319.4500 to $320.3800.
7. F7. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $321.6500 to $322.2000.
8. F8. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $323.1900 to $324.0200.
9. F9. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $324.4900 to $325.3600.
10. F10. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $325.5800 to $325.7800.
11. F11. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $326.9300 to $327.8400.
12. F12. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $327.9600 to $328.8800.
13. F13. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $329.5100 to $329.5200.

Key Figures

Shares sold: 5,000 shares Option shares exercised: 5,000 shares Option exercise price: $93.33 per share +4 more

7 metrics

Shares sold 5,000 shares Total common shares sold on June 1, 2026

Option shares exercised 5,000 shares Non-qualified stock options converted to common stock

Option exercise price $93.33 per share Non-qualified stock option exercise price

Sale price range $312.80–$329.52 per share Weighted average price ranges from multiple trades

Sales under Rule 10b5-1 1 trading plan Plan adopted December 10, 2025

Post-transaction common holdings 0 shares Direct common stock holdings after reported trades

Option expiration June 1, 2031 Expiration date of exercised non-qualified stock option

Key Terms

Rule 10b5-1 trading plan, Non Qualified Stock Option, weighted average price, derivative security, +1 more

5 terms

Rule 10b5-1 trading plan regulatory

"This sale was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person"

A Rule 10b5-1 trading plan is a pre-arranged schedule that allows company insiders to buy or sell stock at specific times, even if they have inside information. It helps prevent accusations of unfair trading by making these transactions look planned and transparent, rather than sneaky or illegal.

Non Qualified Stock Option financial

"security_title": "Non Qualified Stock Option""

weighted average price financial

"The price reported in Column 4 is a weighted average price"

Weighted average price is the average price of a security where each trade or component is counted according to its size, so bigger trades pull the average more than smaller ones. Think of it like calculating the average cost of a grocery haul where items you bought more of have greater influence on the final per-item cost. Investors use it to understand the true average price paid or received, judge execution quality, and compare trading performance against market movement.

derivative security financial

"Exercise or conversion of derivative security"

A derivative security is a financial contract whose value comes from the price or performance of something else, such as a stock, bond, commodity, or market index. For investors it acts like an insurance policy or a wager: it can be used to protect against losses, lock in prices, or amplify gains and losses, so it can change a portfolio’s risk and potential return without owning the underlying asset directly.

open-market sale financial

"transaction_action": "open-market sale""

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.

FAQ

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

What insider transaction did VICR CFO James F. Schmidt report?

James F. Schmidt reported exercising 5,000 non-qualified stock options and selling 5,000 Vicor Corp common shares in open-market trades on June 1, 2026. The filing shows no remaining shares from this option grant afterward.

How many VICR shares did the CFO sell and at what prices?

The CFO sold a total of 5,000 Vicor Corp common shares in multiple open-market transactions. Weighted average sale prices ranged from about $312.80 to $329.52 per share, according to the Form 4 footnotes.

What stock options did the VICR CFO exercise in this Form 4?

He exercised 5,000 non-qualified stock options for Vicor Corp common stock. The exercise price reported was $93.33 per share, converting the options into 5,000 common shares that were then sold the same day.

Was the VICR CFO’s sale under a Rule 10b5-1 trading plan?

Yes. A footnote states the sale was effected under a Rule 10b5-1 trading plan adopted by James F. Schmidt on December 10, 2025. Such plans pre-schedule trades and can indicate routine portfolio management.

Does the filing show remaining VICR holdings after these transactions?

The Form 4 shows zero shares of Vicor Corp common stock directly owned following the reported trades, and no remaining position from the exercised non-qualified stock option grant in the derivative summary section.

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

Form 4 Insider Transactions: What Each Field Means →

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Accepted by SEC EDGAR 06/02/2026 - 01:01 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).

X

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^*

Schmidt James F

(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
X	Officer (give title below)		Other (specify below)
	CFO, Treasurer, Secretary

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
06/01/2026

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	06/01/2026		M		5,000	A	$93.33	5,000	D
Common Stock	06/01/2026		S(1)		400	D	$313.3625(2)	4,600	D
Common Stock	06/01/2026		S(1)		400	D	$314.855(3)	4,200	D
Common Stock	06/01/2026		S(1)		500	D	$316.33(4)	3,700	D
Common Stock	06/01/2026		S(1)		500	D	$318.888(5)	3,200	D
Common Stock	06/01/2026		S(1)		200	D	$319.915(6)	3,000	D
Common Stock	06/01/2026		S(1)		400	D	$322.0025(7)	2,600	D
Common Stock	06/01/2026		S(1)		600	D	$323.545(8)	2,000	D
Common Stock	06/01/2026		S(1)		900	D	$324.9732(9)	1,100	D
Common Stock	06/01/2026		S(1)		200	D	$325.68(10)	900	D
Common Stock	06/01/2026		S(1)		101	D	$326.939(11)	799	D
Common Stock	06/01/2026		S(1)		599	D	$328.5187(12)	200	D
Common Stock	06/01/2026		S(1)		200	D	$329.515(13)	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	$93.33	06/01/2026		M			5,000	06/01/2026	06/01/2031	Common Stock	5,000	$0	0	D

Explanation of Responses:

1. This sale was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on December 10, 2025.

2. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $312.8000 to $313.6800.

3. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $314.6500 to $315.1900.

4. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $315.9200 to $316.5500.

5. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $318.4300 to $319.2400.

6. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $319.4500 to $320.3800.

7. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $321.6500 to $322.2000.

8. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $323.1900 to $324.0200.

9. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $324.4900 to $325.3600.

10. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $325.5800 to $325.7800.

11. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $326.9300 to $327.8400.

12. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $327.9600 to $328.8800.

13. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $329.5100 to $329.5200.

	/s/Quentin A. Fendelet Attorney in Fact for James F. Schmidt	06/02/2026
	** 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)