Insider files to sell 8,984 shares after option exercise

Insider notice of proposed sale by Claudio Tuozzolo.

Rhea-AI Filing Summary

Insider notice of proposed sale by Claudio Tuozzolo. The filing reports 8,984 shares of common stock to be sold on 05/11/2026 in connection with an exercise of options under a registered plan with the issuer receiving cash. The filing also lists prior open‑market dispositions by Mr. Tuozzolo in the past three months, including 6,132, 11,035, 4,643, 5,296, and 4,469 shares on specified dates, each with the cash proceeds shown.

Insights

Insider Transactions Analyst

Notice lists an option exercise followed by proposed resale of 8,984 shares.

The record shows an exercise of options under a registered plan with the issuer as the selling method and cash proceeds. The filing is a regulatory notice of intent to sell, not a confirmation of completed resale.

Prior transactions in the excerpt document multiple cash dispositions by the same filer across 02/23/2026–05/06/2026, which provide context on recent selling activity; timing and final execution of the 05/11/2026 sale are not confirmed here.

Key Figures

Proposed shares to be sold: 8,984 shares Prior sale (May 6, 2026): 6,132 shares Prior sale (Apr 24, 2026): 11,035 shares +3 more

6 metrics

Proposed shares to be sold 8,984 shares Proposed sale date <date>05/11/2026</date> following option exercise

Prior sale (May 6, 2026) 6,132 shares Disposition date <date>05/06/2026</date> with proceeds $1,698,107.17

Prior sale (Apr 24, 2026) 11,035 shares Disposition date <date>04/24/2026</date> with proceeds $2,985,015.75

Prior sale (Feb 25, 2026) 4,643 shares Disposition date <date>02/25/2026</date> with proceeds $918,632.63

Prior sale (Feb 24, 2026) 5,296 shares Disposition date <date>02/24/2026</date> with proceeds $950,274.18

Prior sale (Feb 23, 2026) 4,469 shares Disposition date <date>02/23/2026</date> with proceeds $780,303.94

Key Terms

Exercise of options under a registered plan, Form 144, Issuer

3 terms

Exercise of options under a registered plan financial

"Exercise of options under a registered plan | Issuer | Cash"

Form 144 regulatory

"144: Securities To Be Sold"

Form 144 is a document that investors must file with the government when they plan to sell a large number of shares of a company's stock. It helps ensure transparency so everyone knows how many shares are being sold and when, which can impact the stock's price.

Issuer financial

"Exercise of options under a registered plan | Issuer"

FAQ

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

What does the VICR Form 144 say about the 05/11/2026 sale?

The Form 144 reports 8,984 shares to be sold on 05/11/2026 following an exercise of options under a registered plan, with the issuer as the selling party and cash proceeds noted.

Who is the reporting person on the Form 144 for VICR?

The reporting person is Claudio Tuozzolo, listed with an address in Andover, MA. The filing lists his proposed sale and several prior dispositions in the past three months.

What prior sales by the insider are shown in the filing?

The filing lists prior cash dispositions of 6,132 (05/06/2026), 11,035 (04/24/2026), 4,643 (02/25/2026), 5,296 (02/24/2026), and 4,469 (02/23/2026) shares, each with the cash amount received shown in the excerpt.

Will the company receive the proceeds from the 05/11/2026 sale?

The filing states the sale is an exercise of options under a registered plan with the issuer listed under method and Cash as proceeds treatment; the excerpt ties the transaction to the issuer in that context.

Does the Form 144 confirm the resale on 05/11/2026 occurred?

No. The Form 144 is a notice of an intended sale; it reports the proposed sale date 05/11/2026 and related details, but it does not by itself confirm execution of the resale.

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

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Accepted by SEC EDGAR 05/11/2026 - 05:09 PM EDT Learn about SEC filing dates

Form 144 Filer Information	UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 144 NOTICE OF PROPOSED SALE OF SECURITIES PURSUANT TO RULE 144 UNDER THE SECURITIES ACT OF 1933
FORM 144

144: Filer Information

Filer CIK	0001403540
Filer CCC	XXXXXXXX
Is this a LIVE or TEST Filing?	LIVE TEST
Submission Contact Information
Name
Phone
E-Mail Address

144: Issuer Information

Name of Issuer	VICOR CORPORATION
SEC File Number	000-18277
Address of Issuer	25 Frontage Road Andover MASSACHUSETTS 01810
Phone	(978) 470-2900
Name of Person for Whose Account the Securities are To Be Sold	CLAUDIO TUOZZOLO
See the definition of "person" in paragraph (a) of Rule 144. Information is to be given not only as to the person for whose account the securities are to be sold but also as to all other persons included in that definition. In addition, information shall be given as to sales by all persons whose sales are required by paragraph (e) of Rule 144 to be aggregated with sales for the account of the person filing this notice.
Relationship to Issuer	Officer
Relationship to Issuer	Director

144: Securities Information

Title of the Class of Securities To Be Sold	Name and Address of the Broker	Number of Shares or Other Units To Be Sold	Aggregate Market Value	Number of Shares or Other Units Outstanding	Approximate Date of Sale	Name the Securities Exchange
Common	Morgan Stanley Smith Barney LLC Executive Financial Services 1 New York Plaza 8th Floor New York NY 10004	8984	2737008.84	33863689	05/11/2026	NASDAQ

Furnish the following information with respect to the acquisition of the securities to be sold and with respect to the payment of all or any part of the purchase price or other consideration therefor:

144: Securities To Be Sold

Title of the Class	Date you Acquired	Nature of Acquisition Transaction	Name of Person from Whom Acquired	Is this a Gift?	Date Donor Acquired	Amount of Securities Acquired	Date of Payment	Nature of Payment *
Common	05/11/2026	Exercise of options under a registered plan	Issuer			8984	05/11/2026	Cash

* If the securities were purchased and full payment therefor was not made in cash at the time of purchase, explain in the table or in a note thereto the nature of the consideration given. If the consideration consisted of any note or other obligation, or if payment was made in installments describe the arrangement and state when the note or other obligation was discharged in full or the last installment paid.

Furnish the following information as to all securities of the issuer sold during the past 3 months by the person for whose account the securities are to be sold.

144: Securities Sold During The Past 3 Months

Name and Address of Seller	Title of Securities Sold	Date of Sale	Amount of Securities Sold	Gross Proceeds
CLAUDIO TUOZZOLO 25 Frontage Road Andover MA 01810	Common	05/06/2026	6132	1698107.17
CLAUDIO TUOZZOLO 25 Frontage Road Andover MA 01810	Common	04/24/2026	11035	2985015.75
CLAUDIO TUOZZOLO 25 Frontage Road Andover MA 01810	Common	02/25/2026	4643	918632.63
CLAUDIO TUOZZOLO 25 Frontage Road Andover MA 01810	Common	02/24/2026	5296	950274.18
CLAUDIO TUOZZOLO 25 Frontage Road Andover MA 01810	Common	02/23/2026	4469	780303.94

144: Remarks and Signature

Remarks
Date of Notice	05/11/2026
ATTENTION:
The person for whose account the securities to which this notice relates are to be sold hereby represents by signing this notice that he does not know any material adverse information in regard to the current and prospective operations of the Issuer of the securities to be sold which has not been publicly disclosed. If such person has adopted a written trading plan or given trading instructions to satisfy Rule 10b5-1 under the Exchange Act, by signing the form and indicating the date that the plan was adopted or the instruction given, that person makes such representation as of the plan adoption or instruction date.
Signature	/s/ Claudio Tuozzolo
ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)