New Mountain Finance extends buyback through 2027

What conditions apply to NMFC share repurchases?

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Q: How much stock can NMFC repurchase under its program?

Q: How much has NMFC repurchased under the program so far?

Q: When does NMFC’s stock repurchase program end?

8-K Event Classification

Key Figures

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How much stock can NMFC repurchase under its program?

How much has NMFC repurchased under the program so far?

When does NMFC’s stock repurchase program end?

Press Releases

Repurchases may occur in the open market from time to time, subject to the company’s Code of Ethics and Rule 10b-18 constraints on price, market volume and timing. Any subsequent repurchases will also be conducted in accordance with the Investment Company Act of 1940.

NMFC may repurchase up to $150 million worth of common stock under the program, at management’s discretion. The company is not obligated to make repurchases.

New Mountain Finance said approximately $70 million worth of repurchases had been made under the program to date.

The board extended the program through December 31, 2027. Unless further extended, the company expects it to remain in place until that date or until $150 million worth of common stock has been repurchased, whichever comes first.

The board cited its belief that market volatility and uncertainty may cause NMFC common stock to be undervalued from time to time.

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New Mountain Finance Corp. (NMFC) extended its stock repurchase program through December 31, 2027. Under the program, management may repurchase up to $150 million worth of common stock at its discretion, but the company is not obligated to do so; approximately $70 million of repurchases had been made to date. Open-market purchases may occur from time to time and must comply with the company’s Code of Ethics and Rule 10b-18 price, market-volume and timing constraints. Any subsequent repurchases will also be conducted in accordance with the Investment Company Act of 1940. Unless further extended, the company expects the program to remain in place until December 31, 2027, or until $150 million worth of shares have been repurchased, whichever comes first.

Analyzing...

2 items: 8.01, 9.01

2 items

Item 8.01 Other Events Other

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

Item 9.01 Financial Statements and Exhibits Exhibits

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

Repurchase program ceiling: Up to $150 million worth of common stock Repurchases to date: Approximately $70 million Prior scheduled expiration: December 31, 2026 +1 more

4 metrics

Repurchase program ceiling Up to $150 million worth of common stock Repurchases under the program, at management’s discretion

Repurchases to date Approximately $70 million Repurchases made under the program to date

Prior scheduled expiration December 31, 2026 The program was set to expire on this date

Extended program term Through December 31, 2027 Board-approved extension

Rule 10b-18, Investment Company Act of 1940, business development company (BDC), senior secured loans

4 terms

Rule 10b-18 regulatory

"guidelines specified in 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.

Investment Company Act of 1940 regulatory

"in accordance with the Investment Company Act of 1940"

A U.S. federal law that sets the rulebook for pooled investment vehicles such as mutual funds, exchange-traded funds and similar money managers, requiring them to register with regulators, disclose holdings and fees, limit conflicts of interest, and follow governance standards. It matters to investors because these protections and transparency rules act like a referee and scoreboard, helping people compare funds, trust that managers follow fair practices, and spot hidden costs or risks.

business development company (BDC) financial

"a leading business development company (BDC)"

A business development company (BDC) is a publicly traded investment firm that provides loans, buying debt, or taking ownership stakes in small and mid‑size private companies that need growth or turnaround capital. Investors pay attention because BDCs often pay higher income through dividends tied to loan interest and fees but also carry credit and market risk; think of a BDC as a bank that targets riskier, potentially higher‑return borrowers so returns depend on loan quality and economic conditions.

senior secured loans financial

"portfolio consists primarily of senior secured loans"

Senior secured loans are debt agreements where lenders have first claim on specific assets as collateral and are paid back before other creditors if a borrower defaults. For investors, that priority and collateral generally make these loans less risky than unsecured or junior debt while still offering higher income than cash, like holding a first mortgage on a property rather than an unsecured IOU, and they often carry floating interest that helps protect against rising rates.

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

NMFC may repurchase up to $150 million worth of common stock under the program, at management’s discretion. The company is not obligated to make repurchases.

New Mountain Finance said approximately $70 million worth of repurchases had been made under the program to date.

The board extended the program through December 31, 2027. Unless further extended, the company expects it to remain in place until that date or until $150 million worth of common stock has been repurchased, whichever comes first.

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

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Available on EDGAR 10/26/2026 - 05:02 PM EDT Accepted by SEC EDGAR 10/26/2026 - 05:01 PM EDT

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 20, 2026

New Mountain Finance Corporation

(Exact name of registrant as specified in its charter)

Delaware

814-00832

27-2978010

(State or other jurisdiction of

incorporation or organization)

(Commission

File Number)

(IRS Employer

Identification Number)

1633 Broadway, 48th Floor, New York, NY 10019

(Address of principal executive offices) (Zip code)

Registrant’s telephone number, including area code: (212) 720-0300

None
(Former name or former address, if changed since last report)

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 (see General Instruction A.2. below):

¨	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	NMFC	NASDAQ Global Select Market
8.250% Notes due 2028	NMFCZ	NASDAQ Global Select Market

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2

of this chapter).
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.

Extension of Stock Repurchase Program

On October 26, 2026, New Mountain Finance Corporation (the “Company”) issued a press release to announce that on October 20, 2026 its board of directors approved an extension of the Company’s stock repurchase program. The press release is attached as Exhibit 99.1 to this Form 8-K and is incorporated herein by reference.

Item 9.01.

Financial Statements and Exhibits.

d) Exhibits.


Exhibit Number		Description

99.1		Press Release, dated October 26, 2026
104		Cover Page Interactive Data File (embedded within the Inline XBRL document).

SIGNATURE

Pursuant to the requirements of the Securities Exchange Act of 1934, as amended, the Registrant has duly caused this Current Report on Form 8-K to be signed on its behalf by the undersigned hereunto duly authorized.

Exhibit 99.1

New Mountain Finance Corporation Announces the Extension of its Stock Repurchase Program

NEW YORK--(BUSINESS WIRE)—October 26, 2026--New Mountain Finance Corporation (NASDAQ: NMFC) (“NMFC” or “the Company”) today announced that on October 20, 2026, the Company’s board of directors authorized an extension of a previously established stock repurchase program (the “Repurchase Program”). Pursuant to the Repurchase Program, the Company can repurchase up to $150 million worth of its common stock at the discretion of NMFC’s management team. The Repurchase Program was set to expire on December 31, 2026, but the Company’s board of directors elected to extend the Repurchase Program through December 31, 2027. Under the Repurchase Program, NMFC may, but is not obligated to, repurchase its outstanding common stock in the open market from time to time provided that NMFC complies with the prohibitions under its Code of Ethics and the guidelines specified in Rule 10b-18 of the Securities Exchange Act of 1934, as amended, including certain price, market volume and timing constraints. Unless further extended by NMFC’s board of directors, the Company expects the Repurchase Program to be in place until the earlier of December 31, 2027 or until $150 million worth of NMFC’s outstanding shares of common stock have been repurchased. To date, approximately $70 million worth of repurchases have been made by the Company under the Repurchase Program.

The Company’s board of directors authorized the extension of the Repurchase Program because it believes that sustained market volatility and uncertainty may cause NMFC’s common stock to be undervalued from time to time. The timing and number of shares to be repurchased will depend on a number of factors, including market conditions and alternative investment opportunities. In addition, any subsequent repurchases will also be conducted in accordance with the Investment Company Act of 1940, as amended. There are no assurances that the Company will engage in additional repurchases, but if market conditions warrant, the Company now has an extended period of time to take advantage of situations where NMFC’s management believes share repurchases would be advantageous to the Company and to its shareholders.

ABOUT NEW MOUNTAIN FINANCE CORPORATION

New Mountain Finance Corporation (NASDAQ: NMFC) is a leading business development company (BDC) focused on providing direct lending solutions to U.S. middle market companies backed by top private equity sponsors. Our portfolio consists primarily of senior secured loans, and select junior capital positions, to growing businesses in defensive industries that offer attractive risk-adjusted returns. Our differentiated investment approach leverages the deep sector knowledge and operating resources of New Mountain Capital, a global investment firm with over $60 billion of assets under management.

ABOUT NEW MOUNTAIN CAPITAL

New Mountain Capital is a New York-based investment firm that emphasizes business building and growth, rather than debt, as it pursues long-term capital appreciation. The firm currently manages private equity, credit and net lease investment strategies with over $60 billion in assets under management. New Mountain seeks out what it believes to be the highest quality growth

leaders in carefully selected industry sectors and then works intensively with management to build the value of these companies.

FORWARD-LOOKING STATEMENTS

Statements included herein may contain “forward-looking statements”, which relate to the Company’s business, including, but not limited to, the timing and the number of shares to be repurchased, if any, under the Repurchase Program, future operations, future performance or the Company’s financial condition. Forward-looking statements are not guarantees of future performance, condition or results and involve a number of risks and uncertainties, including the current conflict between Russia and Ukraine, conflict in the Middle East, changes in base interest rates and significant volatility on the Company’s business, portfolio companies, the Company’s industry and the global economy. Actual results and outcomes may differ materially from those anticipated in the forward-looking statements as a result of a variety of factors, including those described from time to time in the Company’s filings with the Securities and Exchange Commission or factors that are beyond the Company’s control. The Company undertakes no obligation to publicly update or revise any forward-looking statements made herein, except as may be required by law. All forward-looking statements speak only as of the time of this press release.

Contact

New Mountain Finance Corporation
Investor Relations
Laura C. Holson, Authorized Representative
NMFCIR@newmountaincapital.com
(212) 220-3505

Source: View Original Filing on SEC EDGAR

5 documents

NEW MOUNTAIN FINANCE CORPORATION

Date: October 26, 2026

/s/ Eric Kane

Corporate Secretary

EX-99 ex99-1.htm 7.2 KB