Multiple 10b5-1 Sales by Vinciarelli (NASDAQ: VICR) Listed in Form 144

Rhea-AI Filing Summary

Patrizio Vinciarelli reported multiple sell transactions of Common Stock under Rule 144/10b5-1. The filing lists executed sales on several dates including 03/09/2026 (50,000 shares), 03/06/2026 (50,000 shares) and multiple December 2025 trades. The transactions are shown as 10b5-1 sales.

Insights

Securities Compliance Attorney

Routine Rule 144/10b5-1 dispositions by an insider; procedural disclosure rather than a corporate action.

These entries document timed dispositions labeled as 10b5-1 Sales for Patrizio Vinciarelli, with individual trade lines showing share counts and proceeds on specific dates such as 12/30/2025 (20,000 shares for $2,259,535.98) and 03/09/2026 (50,000 shares for $8,212,935.00).

Filing compliance hinges on accurate per-trade disclosure and adherence to the pre-established plan; cash-flow treatment is sale proceeds to the selling holder as shown. Subsequent public filings would show any further dispositions.

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

144: Issuer Information

Name of Issuer

SEC File Number

Address of Issuer

Phone

Name of Person for Whose Account the Securities are To Be Sold

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

Relationship to Issuer

Relationship to Issuer

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	50000	8501500.00	33646426	03/10/2026	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	05/22/2025	Previously Exercised Stock Options	Issuer			50000	05/22/2025	N/A

* 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
10b5-1 Sales for PATRIZIO VINCIARELLI 25 Frontage Road Andover MA 01810	Common	03/09/2026	50000	8212935.00
10b5-1 Sales for PATRIZIO VINCIARELLI 25 Frontage Road Andover MA 01810	Common	03/06/2026	50000	8314785.00
10b5-1 Sales for PATRIZIO VINCIARELLI 25 Frontage Road Andover MA 01810	Common	03/05/2026	50000	9341275.00
10b5-1 Sales for PATRIZIO VINCIARELLI 25 Frontage Road Andover MA 01810	Common	03/04/2026	50000	10077245.00
10b5-1 Sales for PATRIZIO VINCIARELLI 25 Frontage Road Andover MA 01810	Common	12/31/2025	1883	215336.30
10b5-1 Sales for PATRIZIO VINCIARELLI 25 Frontage Road Andover MA 01810	Common	12/30/2025	20000	2259535.98
10b5-1 Sales for PATRIZIO VINCIARELLI 25 Frontage Road Andover MA 01810	Common	12/29/2025	5917	657962.22
10b5-1 Sales for PATRIZIO VINCIARELLI 25 Frontage Road Andover MA 01810	Common	12/26/2025	20000	2202474.09
10b5-1 Sales for PATRIZIO VINCIARELLI 25 Frontage Road Andover MA 01810	Common	12/24/2025	12400	1349971.88
10b5-1 Sales for PATRIZIO VINCIARELLI 25 Frontage Road Andover MA 01810	Common	12/23/2025	20000	2155900.00
10b5-1 Sales for PATRIZIO VINCIARELLI 25 Frontage Road Andover MA 01810	Common	12/22/2025	20000	2105570.63
10b5-1 Sales for PATRIZIO VINCIARELLI 25 Frontage Road Andover MA 01810	Common	12/19/2025	20000	2060326.12
10b5-1 Sales for PATRIZIO VINCIARELLI 25 Frontage Road Andover MA 01810	Common	12/11/2025	6176	628597.95

144: Remarks and Signature

Remarks

Date of Notice

Date of Plan Adoption or Giving of Instruction, If Relying on Rule 10b5-1

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

ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)

FAQ

What insider transactions does VICR disclose in this Form 144?

The filing lists multiple 10b5-1 sales by Patrizio Vinciarelli, including 03/09/2026 (50,000 shares) and several December 2025 trades such as 12/30/2025 (20,000 shares for $2,259,535.98).

Were the reported VICR trades executed under a 10b5-1 plan?

Yes. The transactions are labeled as 10b5-1 Sales, indicating they were executed under a pre-arranged trading plan, with specific trade dates and share counts shown in the filing.

How large were individual VICR trades reported in the filing?

Individual trade sizes include multiple 50,000-share lines (e.g., 03/09/2026) and December 2025 lines such as 20,000 shares on 12/30/2025 with proceeds reported per trade.

Who is listed as the broker or intermediary for these VICR sales?

The filing shows Morgan Stanley Smith Barney LLC as the broker/intermediary on the securities-to-be-sold line, associated with the listed trades and execution details.

Do the Form 144 entries show proceeds for each trade?

Yes. Each trade line includes a proceeds figure, for example 03/09/2026 shows $8,212,935.00 for 50,000 shares and 12/30/2025 shows $2,259,535.98 for 20,000 shares.