Vicor approves $150M share buyback program

VICOR CORP (VICR) announced that its board approved a new share repurchase authorization of up to $150,000,000 of common stock, replacing the prior program.

Rhea-AI Filing Summary

VICOR CORP (VICR) announced that its board approved a new share repurchase authorization of up to $150,000,000 of common stock, replacing the prior program. The authorization has no expiration date, may be suspended at any time, and does not require the company to repurchase any specific amount.

Repurchases may occur in the open market, potentially in accordance with Rule 10b-18, and the company may use Rule 10b5-1 trading plans to facilitate purchases. The timing and volume of any repurchases will depend on share price, business and market conditions, and other considerations.

Positive

• $150,000,000 share repurchase authorization provides the company flexibility to return capital to shareholders through open market buybacks, replacing the prior program and allowing opportunistic repurchases based on market conditions.

Negative

• None.

8-K Event Classification

Item 8.01 — Other Events

1 item

Item 8.01 Other Events Other

Voluntary disclosure of events the company deems important to shareholders but not covered by other items.

Key Figures

Share repurchase authorization: $150,000,000 Par value per common share: $0.01

2 metrics

Share repurchase authorization $150,000,000 Maximum aggregate amount of common stock approved for repurchase under the new program

Par value per common share $0.01 Par value of VICOR Corporation common stock subject to repurchase authorization

Key Terms

share repurchase authorization, Rule 10b-18, Rule 10b5-1 plans

3 terms

share repurchase authorization financial

"approved a new share repurchase authorization for the repurchase of up to $150,000,000"

A share repurchase authorization is a company's official approval to buy back its own shares from the market. This signals that the company believes its stock is a good investment and can help increase the value of remaining shares by reducing how many are available. For investors, it often suggests confidence from the company and can influence the stock’s price.

Rule 10b-18 regulatory

"Open market repurchases may be structured to occur in accordance with the requirements of Rule 10b-18"

Rule 10b-18 is a regulation that sets strict rules for how a company's executives and employees can buy back their own company's stock from the market. It helps ensure that these buybacks happen in a fair and transparent way, reducing the chance of market manipulation. This is important for investors because it offers protection against unfair practices and promotes confidence in the integrity of the stock market.

Rule 10b5-1 plans regulatory

"The Company may also, from time to time, enter into Rule 10b5-1 plans"

A Rule 10b5-1 plan is a prearranged schedule that lets company insiders buy or sell stock at set times or prices, set up when they do not possess confidential information. It acts like an automatic thermostat for trades, reducing the risk that otherwise-timed transactions could be accused of insider trading. Investors care because such plans increase transparency about insider activity and signal when insider trades are routine rather than reactive to private news.

FAQ

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

What did VICR announce regarding its share repurchase program?

VICR announced that its board approved a new share repurchase authorization of up to $150,000,000 of common stock. This new program supersedes and replaces the previously authorized repurchase program.

Does the new VICR share repurchase authorization have an expiration date?

No. The share repurchase authorization for up to $150,000,000 of VICR common stock has no expiration date. It can be suspended at any time at the company’s discretion and does not obligate VICR to repurchase any specific amount.

How will VICR execute its $150,000,000 share repurchase authorization?

VICR may repurchase shares from time to time through open market repurchases, subject to market conditions and legal requirements. Open market transactions may follow Rule 10b-18, and the company may also use Rule 10b5-1 plans to facilitate repurchases.

What factors will influence VICR’s share repurchases under the new program?

The timing and actual number of VICR shares repurchased under the $150,000,000 authorization will depend on factors including share price, general business conditions, broader market conditions, and other considerations identified by the company.

Does VICR have to buy back the full $150,000,000 of shares?

No. The authorization for up to $150,000,000 of share repurchases does not obligate VICR to acquire any particular amount of common stock. The company retains full discretion over whether and when to repurchase shares.

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

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Available on EDGAR 08/27/2026 - 12:15 PM EDT Accepted by SEC EDGAR 08/27/2026 - 12:15 PM EDT Learn about SEC filing dates

VICOR CORP false 0000751978 0000751978 2026-08-25 2026-08-25

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): August 25, 2026

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 8.01. Other Events

On August 25, 2026, Vicor Corporation (the “Company”) announced that its Board of Directors approved a new share repurchase authorization for the repurchase of up to $150,000,000 of shares of the Company’s common stock, par value $0.01 per share (the “Common Stock”), which supersedes and replaces the Company’s previously authorized share repurchase program. The repurchase program has no expiration date, does not obligate the Company to acquire any particular amount of Common Stock, and it may be suspended at any time at the Company’s discretion.

Repurchases may be made from time to time through open market repurchases subject to market conditions, applicable legal requirements and other relevant factors. Open market repurchases may be structured to occur in accordance with the requirements of Rule 10b-18 of the Exchange Act. The Company may also, from time to time, enter into Rule 10b5-1 plans to facilitate repurchases of its shares under this authorization. The timing and actual number of shares repurchased may depend on a variety of factors, including price, general business and market conditions, and other considerations.

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: August 27, 2026				By:		/s/ James F. Schmidt
						James F. Schmidt
						Chief Financial Officer

Filing Exhibits & Attachments

3 documents

Other Documents

• EX-101 XBRL TAXONOMY EXTENSION SCHEMA 3.1 KB
• EX-101 XBRL TAXONOMY EXTENSION LABEL LINKBASE 16.8 KB
• EX-101 XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE 10.6 KB