Vicor files 8‑K Item 2.02 with Exhibit 99.1 results release

Rhea-AI Filing Summary

Vicor Corporation furnished an 8‑K announcing it issued a press release with financial results for the three and nine months ended September 30, 2025. The press release is attached as Exhibit 99.1 and is incorporated by reference.

The information under Item 2.02, including Exhibit 99.1, is furnished and not deemed “filed” under the Exchange Act. No pro forma financial information or shell company transactions were included.

8-K Event Classification

2 items: 2.02, 9.01

2 items

Item 2.02 Results of Operations and Financial Condition Financial

Disclosure of earnings results, typically an earnings press release or preliminary financials.

Item 9.01 Financial Statements and Exhibits Exhibits

Financial statements, pro forma financial information, and exhibit attachments filed with this report.

Understanding 8-K Material Events →

VICOR CORP false 0000751978 0000751978 2025-10-21 2025-10-21

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, D.C. 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 or 15(d)

of the Securities Exchange Act of 1934

Date of Report (Date of earliest event reported): October 21, 2025

VICOR CORPORATION

(Exact Name of Registrant as Specified in its Charter)

Delaware		0-18277		04-2742817
(State or Other Jurisdiction of Incorporation)		(Commission File Number)		(IRS Employer Identification No.)

25 Frontage Road, Andover, Massachusetts 01810

(Address of Principal Executive Offices) (Zip Code)

(978) 470-2900

(Registrant’s telephone number, including area code)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:

☐ Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

☐ Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

☐ Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

☐ Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to Section 12(b) of the Act:

Title of each class		Trading Symbol(s)		Name of each exchange on which registered
Common Stock, par value $0.01 per share		VICR		The NASDAQ Stock Market LLC

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 or Rule 12b-2 of the Securities Exchange Act of 1934.

Emerging growth company ☐

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐

Item 2.02. Results of Operations and Financial Condition

On October 21, 2025, Vicor Corporation issued a press release announcing its financial results for the three and nine months ended September 30, 2025. The full text of that press release is attached as Exhibit 99.1 hereto and incorporated by reference herein. The information furnished under this Item 2.02, including the Exhibit attached hereto, shall not be deemed “filed” for any purpose, including for purposes of Section 18 of the Securities and Exchange Act of 1934 (the “Exchange Act”) or otherwise subject to the liabilities of that section, nor shall it be deemed incorporated by reference in any filing under the Securities Act of 1933 or the Exchange Act, regardless of any general incorporation language in such filing.

Item 9.01. Financial Statements and Exhibits

(a) Financial statements:

None

(b) Pro forma financial information:

None

(c) Shell company transactions:

None

(d) Exhibits

99.1 Press Release of Vicor Corporation dated October 21, 2025

Exhibit Index

Exhibit No.		Description
99.1		Press Release of Vicor Corporation dated October 21, 2025
104		Cover Page Interactive Data File (embedded within the Inline XBRL document)

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

				VICOR CORPORATION
Date: October 21, 2025				By:		/s/ James F. Schmidt
						James F. Schmidt
						Chief Financial Officer

FAQ

What did Vicor (VICR) announce in this 8‑K?

Vicor furnished a press release (Exhibit 99.1) with financial results for the three and nine months ended September 30, 2025.

Which Item of the 8‑K does this relate to for VICR?

Item 2.02, Results of Operations and Financial Condition.

Is the Vicor Q3 2025 press release considered 'filed'?

No. The Item 2.02 information, including Exhibit 99.1, is furnished and not deemed “filed” under the Exchange Act.

What exhibit contains Vicor’s results press release?

Exhibit 99.1 contains the press release dated October 21, 2025.

What periods are covered by Vicor’s reported results?

The three and nine months ended September 30, 2025.

Are there any financial statements or pro forma data included?

No. The filing lists none under financial statements and pro forma financial information.