Were the Vicor (VICR) CFO’s share sales part of a Rule 10b5-1 plan?

Yes. A footnote states that the sale was effected pursuant to a Rule 10b5-1 trading plan adopted by James F. Schmidt on December 10, 2025, indicating the trades were pre-planned rather than discretionary market-timing decisions.

Vicor (VICR) CFO exercises 1,000 options and sells 1,000 shares under 10b5-1 plan

Filing Impact

(Neutral)

Filing Sentiment

(Neutral)

Form Type

Rhea-AI Filing Summary

Vicor Corporation CFO James F. Schmidt reported a combination of stock option exercise and share sales in Vicor common stock. On June 25, 2026, he exercised 1,000 non-qualified stock options at an exercise price of $100.00 per share and received 1,000 shares of common stock.

That same day, he sold 1,000 shares of common stock in nine open-market transactions at weighted-average prices ranging from $326.72 to $342.51 per share, executed under a Rule 10b5-1 trading plan adopted on December 10, 2025. Following these transactions, he directly holds 1,000 shares of Vicor common stock and no remaining options from this exercised grant.

Insider Trade Summary 10b5-1

Net Seller: 1,000 shares ($331,681)

Net Sell 11 txns

Insider Schmidt James F

Role CFO, Treasurer, Secretary

Sold 1,000 shs ($332K)

Type	Security	Shares	Price	Value
Exercise	Non Qualified Stock Option	1,000	$0.00	--
Exercise	Common Stock	1,000	$100.00	$100K
Sale	Common Stock	150	$327.1867	$49K
Sale	Common Stock	200	$328.5275	$66K
Sale	Common Stock	79	$330.0218	$26K
Sale	Common Stock	110	$330.9872	$36K
Sale	Common Stock	50	$331.84	$17K
Sale	Common Stock	211	$333.2205	$70K
Sale	Common Stock	100	$334.855	$33K
Sale	Common Stock	50	$338.09	$17K
Sale	Common Stock	50	$342.51	$17K

Holdings After Transaction: Non Qualified Stock Option — 0 shares (Direct, null); Common Stock — 1,000 shares (Direct, null)

Footnotes (1)

This sale was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on December 10, 2025. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $326.7200 to $327.4600. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $328.2700 to $329.2000. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $329.6800 to $330.6400. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $330.7800 to $331.0700. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $331.840 to $331.8400. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $333.0500 to $333.9000. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $334.5100 to $335.2000. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $338.0900 to $338.0900. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $342.5100 to $342.5100. Granted under the Companys Amended and Restated 2000 Stock Option and Incentive Plan on June 25, 2021 and vest over a five year period.

Key Figures

Common shares sold: 1,000 shares Option shares exercised: 1,000 shares Exercise price: $100.00 per share +5 more

8 metrics

Common shares sold 1,000 shares Open-market sales of Vicor common stock on June 25, 2026

Option shares exercised 1,000 shares Non-qualified stock options exercised into common stock on June 25, 2026

Exercise price $100.00 per share Exercise price of non-qualified stock options granted June 25, 2021

Sale price range $326.72–$342.51 per share Weighted-average price ranges across multiple sales on June 25, 2026

Shares held after 1,000 shares Direct Vicor common stock ownership following reported transactions

Rule 10b5-1 plan adoption date December 10, 2025 Date CFO adopted trading plan governing June 25, 2026 sales

Option grant date June 25, 2021 Grant date under Amended and Restated 2000 Stock Option and Incentive Plan

Option expiration June 25, 2031 Expiration date of the non-qualified stock option grant

Key Terms

Rule 10b5-1 trading plan, Non Qualified Stock Option, weighted average price, Amended and Restated 2000 Stock Option and Incentive Plan, +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 on December 10, 2025."

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 listed as Non Qualified Stock Option with 1,000 underlying shares of Common Stock."

weighted average price financial

"The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging..."

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.

Amended and Restated 2000 Stock Option and Incentive Plan financial

"Granted under the Companys Amended and Restated 2000 Stock Option and Incentive Plan on June 25, 2021 and vest over a five year period."

derivative exercise/conversion financial

"Transaction action identified as derivative exercise/conversion with code M for 1,000 option shares."

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Form 4 Insider Transactions: What Each Field Means →

Available on EDGAR 06/29/2026 - 01:27 PM Accepted by SEC EDGAR 06/29/2026 - 01:26 PM

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^*

Schmidt James F

(Last)

(First)

(Middle)

25 FRONTAGE ROAD

(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)
06/25/2026

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)
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	Code	V	Amount	(A) or (D)	Price		6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
Common Stock	06/25/2026		M		1,000	A	$100	1,000	D
Common Stock	06/25/2026		S⁽¹⁾		150	D	$327.1867⁽²⁾	850	D
Common Stock	06/25/2026		S⁽¹⁾		200	D	$328.5275⁽³⁾	650	D
Common Stock	06/25/2026		S⁽¹⁾		79	D	$330.0218⁽⁴⁾	571	D
Common Stock	06/25/2026		S⁽¹⁾		110	D	$330.9872⁽⁵⁾	461	D
Common Stock	06/25/2026		S⁽¹⁾		50	D	$331.84⁽⁶⁾	411	D
Common Stock	06/25/2026		S⁽¹⁾		211	D	$333.2205⁽⁷⁾	200	D
Common Stock	06/25/2026		S⁽¹⁾		100	D	$334.855⁽⁸⁾	100	D
Common Stock	06/25/2026		S⁽¹⁾		50	D	$338.09⁽⁹⁾	50	D
Common Stock	06/25/2026		S⁽¹⁾		50	D	$342.51⁽¹⁰⁾	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)
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)	Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares	8. Price of Derivative Security (Instr. 5)		10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
Non Qualified Stock Option	$100	06/25/2026		M			1,000	⁽¹¹⁾	06/25/2031	Common Stock	1,000	$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 $326.7200 to $327.4600.

3. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $328.2700 to $329.2000.

4. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $329.6800 to $330.6400.

5. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $330.7800 to $331.0700.

6. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $331.840 to $331.8400.

7. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $333.0500 to $333.9000.

8. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $334.5100 to $335.2000.

9. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $338.0900 to $338.0900.

10. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $342.5100 to $342.5100.

11. Granted under the Companys Amended and Restated 2000 Stock Option and Incentive Plan on June 25, 2021 and vest over a five year period.

	/s/Quentin A. Fendelet Attorney in Fact for James F. Schmidt	06/29/2026
	** 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)

Source: View Original Filing on SEC EDGAR

FAQ

What insider transactions did Vicor (VICR) CFO James F. Schmidt report?

James F. Schmidt reported exercising 1,000 non-qualified stock options at $100.00 per share and selling 1,000 shares of Vicor common stock in nine open-market trades on June 25, 2026, under a pre-established Rule 10b5-1 trading plan.

At what prices did the Vicor (VICR) CFO sell his shares?

The reported sale prices are weighted averages from multiple trades, with transactions occurring at prices ranging between $326.72 and $342.51 per share, as disclosed in detailed footnotes describing the specific price ranges for each sale on June 25, 2026.

How many Vicor (VICR) shares does the CFO hold after these transactions?

After exercising 1,000 stock options and selling 1,000 shares, the filing shows James F. Schmidt directly owns 1,000 shares of Vicor common stock. The derivativeSummary indicates no remaining position from the exercised non-qualified stock option grant.

What are the key terms of the Vicor (VICR) stock options exercised by the CFO?

The non-qualified stock options covered 1,000 underlying shares of Vicor common stock with a $100.00 per share exercise price. They were granted on June 25, 2021 under the company’s Amended and Restated 2000 Stock Option and Incentive Plan and vest over five years.