Vicor (VICR) CFO sells 2,124 shares after exercising stock options

Rhea-AI Filing Summary

VICOR CORP CFO James F. Schmidt reported an exercise-and-sell transaction in company stock. He exercised options to acquire 2,124 shares of common stock at strike prices of $32.89 and $44.07 per share, then sold the same 2,124 shares in multiple open-market trades under a Rule 10b5-1 trading plan at prices between $351.38 and $367.12 per share. Following these transactions, he holds no common shares directly but was granted 548 non‑qualified stock options with an exercise price of $365.53 per share expiring on June 22, 2036.

Insider Trade Summary 10b5-1

Net Seller: 2,124 shares ($765,905)

Net Sell 15 txns

Insider Schmidt James F

Role CFO, Treasurer, Secretary

Sold 2,124 shs ($766K)

Type	Security	Shares	Price	Value
Grant/Award	Non Qualified Stock Option	548	$0.00	--
Exercise	Non Qualified Stock Option	1,216	$0.00	--
Exercise	Non Qualified Stock Option	908	$0.00	--
Exercise	Common Stock	1,216	$32.89	$40K
Exercise	Common Stock	908	$44.07	$40K
Sale	Common Stock	145	$351.38	$51K
Sale	Common Stock	45	$354.11	$16K
Sale	Common Stock	90	$356.485	$32K
Sale	Common Stock	435	$357.6951	$156K
Sale	Common Stock	145	$359.84	$52K
Sale	Common Stock	280	$360.9464	$101K
Sale	Common Stock	480	$362.5288	$174K
Sale	Common Sock	190	$363.9721	$69K
Sale	Common Stock	169	$365.1195	$62K
Sale	Common Stock	145	$367.061	$53K

Holdings After Transaction: Non Qualified Stock Option — 548 shares (Direct, null); Common Stock — 1,216 shares (Direct, null); Common Sock — 314 shares (Direct, null)

Footnotes (1)

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 $351.3800 to $351.3800. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $354.1100 to $354.1100 The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $356.3000 to $356.6700. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $357.5000 to $357.9700. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $359.5700 to $360.4400 The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $360.5800 to $361.2000. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $362.1100 to $363.0900. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $363.7800 to $364.4800. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $365.0300 to $365.8000. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $366.9300 to $367.1200 Granted under the Companys Amended and Restated 2000 Stock Option and Incentive Plan on June 22, 2026 and vest over a five year period.

Key Figures

Shares sold: 2,124 shares Sale price range: $351.38–$367.12 per share Options exercised: 2,124 shares +3 more

6 metrics

Shares sold 2,124 shares Total common shares sold in open-market transactions on June 22, 2026

Sale price range $351.38–$367.12 per share Weighted-average price ranges across reported sale footnotes

Options exercised 2,124 shares Shares acquired via option exercises (908 at $44.07, 1,216 at $32.89)

Option strike prices $44.07 and $32.89 Exercise prices for non-qualified stock options converted to common shares

New option grant 548 options at $365.53 Non-qualified stock options granted, expiring June 22, 2036

10b5-1 plan adoption December 10, 2025 Date CFO adopted Rule 10b5-1 trading plan governing reported sales

Key Terms

Rule 10b5-1 trading plan, Non Qualified Stock Option, weighted average price, Amended and Restated 2000 Stock Option and Incentive Plan

4 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

"Non Qualified Stock Option ... underlying security title Common Stock ... underlying security shares 908.0000"

weighted average price financial

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

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 22, 2026 and vest over a five year period."

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Form 4 Insider Transactions: What Each Field Means →

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 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)
06/22/2026

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	06/22/2026		M		1,216	A	$32.89	1,216	D
Common Stock	06/22/2026		M		908	A	$44.07	2,124	D
Common Stock	06/22/2026		S(1)		145	D	$351.38(2)	1,979	D
Common Stock	06/22/2026		S(1)		45	D	$354.11(3)	1,934	D
Common Stock	06/22/2026		S(1)		90	D	$356.485(4)	1,844	D
Common Stock	06/22/2026		S(1)		435	D	$357.6951(5)	1,409	D
Common Stock	06/22/2026		S(1)		145	D	$359.84(6)	1,264	D
Common Stock	06/22/2026		S(1)		280	D	$360.9464(7)	984	D
Common Stock	06/22/2026		S(1)		480	D	$362.5288(8)	504	D
Common Sock	06/22/2026		S(1)		190	D	$363.9721(9)	314	D
Common Stock	06/22/2026		S(1)		169	D	$365.1195(10)	145	D
Common Stock	06/22/2026		S(1)		145	D	$367.061(11)	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	$365.53	06/22/2026		A		548		(12)	06/22/2036	Common Stock	548	$0	548	D
Non Qualified Stock Option	$32.89	06/22/2026		M			1,216	06/21/2026	06/21/2034	Common Stock	1,216	$0	3,648	D
Non Qualified Stock Option	$44.07	06/22/2026		M			908	06/20/2026	06/20/2035	Common Stock	908	$0	3,631	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 $351.3800 to $351.3800.

3. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $354.1100 to $354.1100

4. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $356.3000 to $356.6700.

5. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $357.5000 to $357.9700.

6. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $359.5700 to $360.4400

7. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $360.5800 to $361.2000.

8. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $362.1100 to $363.0900.

9. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $363.7800 to $364.4800.

10. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $365.0300 to $365.8000.

11. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $366.9300 to $367.1200

12. Granted under the Companys Amended and Restated 2000 Stock Option and Incentive Plan on June 22, 2026 and vest over a five year period.

	/s/Quentin A. Fendelet Attorney in Fact for James Schmidt	06/23/2026
	** 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)

FAQ

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

Vicor CFO James F. Schmidt reported exercising options for 2,124 common shares and selling 2,124 shares in open-market trades. The filing shows an exercise-and-sell pattern rather than a straightforward purchase, all executed on June 22, 2026.

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

The CFO sold 2,124 Vicor common shares in multiple open-market transactions. Reported weighted average prices ranged from about $351.38 to $367.12 per share, as detailed in several footnotes describing the trade price intervals.

Were the Vicor (VICR) CFO share sales made under a Rule 10b5-1 plan?

Yes. A footnote states the sale was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on December 10, 2025. Such pre-arranged plans typically automate trading independent of day-to-day market conditions.

What option exercises did the Vicor (VICR) CFO report in this Form 4?

He exercised options covering 2,124 common shares, split between 908 shares at a $44.07 strike price and 1,216 shares at a $32.89 strike price. These exercises converted derivative positions into common stock, which was then sold.

Did the Vicor (VICR) CFO receive any new equity awards in this filing?

Yes. He received a grant of 548 non-qualified stock options with a $365.53 exercise price, expiring June 22, 2036. A footnote notes the grant was made under Vicor’s Amended and Restated 2000 Stock Option and Incentive Plan.

What are the CFO’s reported Vicor (VICR) holdings after these transactions?

After the reported sales, the Form 4 shows no directly held Vicor common shares. However, it reports a remaining derivative position of 548 non-qualified stock options from the new grant, providing potential future equity exposure if exercised.