VICR affiliate files Form 144 to sell 323 shares

VICR affiliate submitted a Form 144 reporting an intended sale of 323 shares.

Rhea-AI Filing Summary

VICR affiliate submitted a Form 144 reporting an intended sale of 323 shares. The filing states the sale is tied to an exercise of options under a registered plan and lists 05/27/2026 as the transaction date. The record also shows a prior sale of 5,412 shares on 05/05/2026 for $1,434,180.00.

Insights

Securities Compliance Analyst

Routine Form 144 notice: affiliate plans to sell exercised-option shares.

The filing documents an intended sale of 323 shares on 05/27/2026 attributed to the exercise of options under a registered plan. This is a procedural notice under resale rules rather than a market execution report.

Cash proceeds treatment is noted as Cash; prior activity shows a sale of 5,412 shares on 05/05/2026 for $1,434,180.00. Subsequent public filings may disclose whether the planned sale was completed.

Key Figures

Planned resale: 323 shares Prior sale quantity: 5,412 shares Proceeds from prior sale: $1,434,180.00

3 metrics

Planned resale 323 shares Intended sale via option exercise on <date>05/27/2026</date>

Prior sale quantity 5,412 shares Sale by Nancy Grava on <date>05/05/2026</date>

Proceeds from prior sale $1,434,180.00 Proceeds reported for the 5,412-share sale on <date>05/05/2026</date>

Key Terms

Form 144, exercise of options under a registered plan, issuer

3 terms

Form 144 regulatory

"The filing header lists "form_type": "144" and the notice fields describing 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.

exercise of options under a registered plan financial

"Securities To Be Sold entry: "Exercise of options under a registered plan""

issuer regulatory

"Securities To Be Sold entry lists "Issuer" as the transaction party"

FAQ

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

What does VICR's Form 144 report?

The filing reports an intended sale of 323 shares on 05/27/2026 tied to an exercise of options under a registered plan. It is a notice of proposed resale by an affiliate rather than a trade execution report.

Who previously sold shares according to the filing for VICR?

Nancy Grava is listed as selling 5,412 shares on 05/05/2026 for $1,434,180.00. That prior sale is shown in the filing's transaction history and is separate from the intended 323-share sale.

How is the planned 323-share sale being effected for VICR?

The planned sale is described as resulting from an exercise of options under a registered plan with proceeds designated as Cash. The filing links the method (option exercise) and the sale date of 05/27/2026.

Does the Form 144 indicate who will receive proceeds for VICR?

The filing notes the transaction method as an issuer transaction tied to option exercise and lists the proceeds treatment as Cash. The document does not specify further allocation or uses of proceeds.

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

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Accepted by SEC EDGAR 05/27/2026 - 04:21 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	323	114665.00	33863689	05/27/2026	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	05/27/2026	Exercise of options under a registered plan	Issuer			323	05/27/2026	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	05/05/2026	5412	1434180.00

144: Remarks and Signature

Remarks
Date of Notice	05/27/2026
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)