VICR Form 144: Proposed Common Share Sale

VICR submitted a Form 144 disclosing a proposed sale of Common shares tied to an exercise of options under a registered plan with an indicated transaction date of 05/05/2026.

Rhea-AI Filing Summary

VICR submitted a Form 144 disclosing a proposed sale of Common shares tied to an exercise of options under a registered plan with an indicated transaction date of 05/05/2026. The filing lists Morgan Stanley Smith Barney LLC as the broker. The filing also records that Nancy Grava sold 2,616 shares on 02/24/2026 for $489,192.00.

Key Figures

Proposed transaction date: 05/05/2026 Example prior sale: 2,616 shares Proceeds from Nancy Grava sale: $489,192.00 +3 more

6 metrics

Proposed transaction date 05/05/2026 Listed under Securities To Be Sold as the transaction date

Example prior sale 2,616 shares Nancy Grava sold these shares on 02/24/2026

Proceeds from Nancy Grava sale $489,192.00 Recorded alongside the 2,616-share sale on 02/24/2026

Listed figure 5,412 Number shown in the Securities Information / To Be Sold fields in the excerpt

Listed numeric entry 1,434,180.00 Numeric value appearing in the filing excerpt

Listed numeric entry 33,863,689 Numeric value appearing in the filing excerpt with date 05/05/2026

Key Terms

Form 144, exercise of options under a registered plan, Issuer / Broker

3 terms

Form 144 regulatory

"Form 144 disclosing a proposed sale of Common shares"

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.

exercise of options under a registered plan financial

"Exercise of options under a registered plan listed as the sale method"

Issuer / Broker market

"Morgan Stanley Smith Barney LLC listed under Securities Information"

FAQ

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

What does VICR's Form 144 disclose?

The Form 144 discloses a proposed sale of common shares tied to an exercise of options under a registered plan on 05/05/2026. It names Morgan Stanley Smith Barney LLC as the broker and lists a past sale by Nancy Grava on 02/24/2026.

How many shares did Nancy Grava sell according to the filing?

Nancy Grava sold 2,616 shares of common stock on 02/24/2026. The filing records proceeds from that sale as $489,192.00, reported alongside other transaction details in the Form 144 excerpt.

What transaction method is listed for the proposed sale in VICR's filing?

The proposed sale is described as occurring after an exercise of options under a registered plan and the method shown in the excerpt is cash. The broker named is Morgan Stanley Smith Barney LLC on 05/05/2026.

Does the Form 144 specify the broker handling the sale for VICR?

Yes; the filing lists Morgan Stanley Smith Barney LLC at 1 New York Plaza as the broker-dealer associated with the transaction. That firm appears under the Securities Information and Securities To Be Sold fields in the excerpt.

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

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Accepted by SEC EDGAR 05/05/2026 - 04:56 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	0001654862
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	NANCY GRAVA
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

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	5412	1434180.00	33863689	05/05/2026	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	05/05/2026	Exercise of options under a registered plan	Issuer			5412	05/05/2026	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
NANCY GRAVA 25 Frontage Road Andover MA 01810	Common	02/24/2026	2616	489192.00

144: Remarks and Signature

Remarks
Date of Notice	05/05/2026
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/ Nancy L. Grava
ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)