New Mountain Finance Corp SEC filings NMFCZ

New Mountain Finance Corp has 905 filings in SEC EDGAR's recent list, going back to Jul 22, 2010. Its latest annual report, Form 10-K, was filed on Feb 24, 2026 for the period ended Dec 31, 2025. The latest quarterly report (Form 10-Q) was filed on Nov 2, 2026, covering the quarter ended Sep 30, 2026. The most recent current report (Form 8-K) was filed on Nov 2, 2026 (results of operations, regulation fd disclosure). The company's fiscal year ends on December 31.

New Mountain Finance Corp SEC filings
Form Description Filed Period
10-Q Quarterly report Nov 2, 2026 Sep 30, 2026
8-K Current report
Results of operations, Regulation FD disclosure
Nov 2, 2026 Nov 2, 2026
8-K Current report
Other events
Oct 26, 2026 Oct 20, 2026
4 Insider transaction Sep 11, 2026 Jun 10, 2026
10-Q Quarterly report Aug 3, 2026 Jun 30, 2026
8-K Current report
Results of operations, Regulation FD disclosure
Aug 3, 2026 Aug 3, 2026
8-K Current report
New debt, Other events
Jun 18, 2026 Jun 18, 2026
4 Insider transaction Jun 16, 2026 Jun 15, 2026
144 Notice of proposed sale Jun 15, 2026 —
8-K Current report
Other events
Jun 5, 2026 Jun 5, 2026
40-17G Filing Jun 3, 2026 —
8-K Current report
Shareholder vote results
May 15, 2026 May 12, 2026
10-Q Quarterly report May 4, 2026 Mar 31, 2026
8-K Current report
Results of operations, Officer or director change, Regulation FD disclosure
May 4, 2026 May 4, 2026
DEFA14A Additional proxy material Mar 27, 2026 —
DEF 14A Proxy statement Mar 27, 2026 May 12, 2026
8-K Current report
Officer or director change
Mar 24, 2026 Mar 19, 2026
4 Insider transaction Mar 18, 2026 Mar 17, 2026
8-K Current report
Material agreement, Acquisition or sale of assets, New debt
Mar 13, 2026 Mar 10, 2026
4 Insider transaction Mar 12, 2026 Mar 10, 2026
SCHEDULE 13D/A Amended ownership over 5% (active) Mar 12, 2026 —
4 Insider transaction Mar 6, 2026 Mar 5, 2026
4 Insider transaction Mar 5, 2026 Mar 3, 2026
4 Insider transaction Mar 4, 2026 Mar 3, 2026
SCHEDULE 13D/A Amended ownership over 5% (active) Mar 3, 2026 —
4 Insider transaction Mar 3, 2026 Feb 27, 2026
4 Insider transaction Mar 3, 2026 Feb 27, 2026
4 Insider transaction Mar 2, 2026 Feb 27, 2026
10-K Annual report Feb 24, 2026 Dec 31, 2025
8-K Current report
Results of operations, Regulation FD disclosure
Feb 24, 2026 Feb 24, 2026
3 Initial insider ownership Jan 26, 2026 Jan 15, 2026
8-K Current report
Officer or director change
Jan 16, 2026 Jan 15, 2026
10-Q Quarterly report Nov 3, 2025 Sep 30, 2025
8-K Current report
Results of operations, Regulation FD disclosure
Nov 3, 2025 Nov 3, 2025
8-K Current report
Material agreement, New debt, Other events
Oct 29, 2025 Oct 23, 2025
4 Insider transaction Sep 18, 2025 Sep 16, 2025
4 Insider transaction Sep 16, 2025 Sep 15, 2025
4 Insider transaction Aug 12, 2025 Aug 11, 2025
4 Insider transaction Aug 11, 2025 Aug 7, 2025
10-Q Quarterly report Aug 4, 2025 Jun 30, 2025
8-K Current report
Results of operations, Regulation FD disclosure
Aug 4, 2025 Aug 4, 2025
APP ORDR Filing Jul 18, 2025 —
APP NTC Filing Jul 18, 2025 —
40-17G Filing May 23, 2025 —
8-K Current report
Shareholder vote results
May 20, 2025 May 16, 2025
10-Q Quarterly report May 5, 2025 Mar 31, 2025
8-K Current report
Results of operations, Regulation FD disclosure
May 5, 2025 May 5, 2025
40-APP/A Filing Apr 15, 2025 —
40-APP/A Filing Apr 7, 2025 —
DEFA14A Additional proxy material Apr 3, 2025 —
DEF 14A Proxy statement Apr 3, 2025 May 16, 2025
8-K Current report
Material agreement, New debt
Apr 2, 2025 Mar 28, 2025
40-APP Filing Apr 1, 2025 —
CORRESP Letter to the SEC Apr 1, 2025 —
4 Insider transaction Mar 10, 2025 Mar 6, 2025
4 Insider transaction Mar 6, 2025 Mar 4, 2025
SC TO-I/A Filing Feb 26, 2025 —
10-K Annual report Feb 26, 2025 Dec 31, 2024
8-K Current report
Results of operations, Regulation FD disclosure
Feb 26, 2025 Feb 26, 2025
8-K Current report
Material agreement
Feb 4, 2025 Jan 29, 2025
SC TO-I Filing Jan 21, 2025 —
4 Insider transaction Dec 19, 2024 Dec 17, 2024
4 Insider transaction Dec 17, 2024 Dec 13, 2024
4 Insider transaction Dec 13, 2024 Dec 11, 2024
4 Insider transaction Dec 9, 2024 Dec 5, 2024
4 Insider transaction Dec 5, 2024 Dec 3, 2024
4 Insider transaction Nov 29, 2024 Nov 26, 2024
SC 13D/A Amended ownership over 5% (active) Nov 26, 2024 —
4 Insider transaction Nov 26, 2024 Nov 22, 2024
4 Insider transaction Nov 22, 2024 Nov 20, 2024
4 Insider transaction Nov 20, 2024 Nov 18, 2024
4 Insider transaction Nov 18, 2024 Nov 14, 2024
4 Insider transaction Nov 14, 2024 Nov 12, 2024
SC 13G/A Amended ownership over 5% (passive) Nov 14, 2024 —
SC 13G/A Amended ownership over 5% (passive) Nov 14, 2024 —
4 Insider transaction Nov 12, 2024 Nov 8, 2024
4 Insider transaction Nov 8, 2024 Nov 6, 2024
4 Insider transaction Nov 8, 2024 Nov 6, 2024
4 Insider transaction Nov 6, 2024 Nov 4, 2024
4 Insider transaction Nov 6, 2024 Nov 4, 2024
4 Insider transaction Nov 6, 2024 Nov 4, 2024
10-Q Quarterly report Oct 30, 2024 Sep 30, 2024
8-K Current report
Results of operations, Regulation FD disclosure
Oct 30, 2024 Oct 30, 2024
8-K Current report
Other events
Oct 28, 2024 Oct 23, 2024
SC 13G/A Amended ownership over 5% (passive) Oct 18, 2024 —
8-K Current report
Material agreement, New debt
Oct 16, 2024 Oct 11, 2024
8-K Current report
Material agreement, Agreement ended, New debt
Oct 3, 2024 Sep 30, 2024
8-K Current report
Material agreement, New debt
Sep 26, 2024 Sep 23, 2024
424B2 Prospectus Sep 24, 2024 —
497AD Filing Sep 24, 2024 —
FWP Free writing prospectus Sep 23, 2024 —
497AD Filing Sep 23, 2024 —
424B2 Prospectus Sep 23, 2024 —
497AD Filing Sep 19, 2024 —
4 Insider transaction Aug 7, 2024 Aug 5, 2024
8-K Current report
Material agreement
Aug 1, 2024 Aug 1, 2024
424B3 Prospectus Aug 1, 2024 —
10-Q Quarterly report Jul 31, 2024 Jun 30, 2024
8-K Current report
Results of operations, Regulation FD disclosure
Jul 31, 2024 Jul 31, 2024
8-K Current report
Material agreement, New debt
Jul 9, 2024 Jul 3, 2024
8-K Current report
Material agreement
Jun 27, 2024 Jun 27, 2024
424B2 Prospectus Jun 27, 2024 —
N-2ASR Filing Jun 26, 2024 —
4 Insider transaction Jun 11, 2024 Jun 7, 2024
8-K Current report
Material agreement, New debt
Jun 11, 2024 Jun 5, 2024
40-17G Filing May 16, 2024 —
8-K Current report
Shareholder vote results
May 16, 2024 May 10, 2024
10-Q Quarterly report May 1, 2024 Mar 31, 2024
8-K Current report
Results of operations, Regulation FD disclosure
May 1, 2024 May 1, 2024
4 Insider transaction Apr 24, 2024 Apr 22, 2024
8-K Current report
Material agreement, New debt
Apr 15, 2024 Apr 10, 2024
DEFA14A Additional proxy material Mar 26, 2024 —
DEF 14A Proxy statement Mar 26, 2024 May 10, 2024
10-K Annual report Feb 26, 2024 Dec 31, 2023
8-K Current report
Results of operations, Regulation FD disclosure
Feb 26, 2024 Feb 26, 2024
8-K Current report
Material agreement, New debt
Feb 8, 2024 Feb 2, 2024
8-K Current report
Material agreement, New debt
Feb 1, 2024 Feb 1, 2024
8-K Current report
Material agreement, New debt
Jan 26, 2024 Jan 25, 2024
424B2 Prospectus Jan 26, 2024 —
497AD Filing Jan 26, 2024 —
N-23C-2 Filing Jan 25, 2024 Jan 25, 2024
FWP Free writing prospectus Jan 25, 2024 —
497AD Filing Jan 25, 2024 —
424B2 Prospectus Jan 25, 2024 —
497AD Filing Jan 24, 2024 —
8-K Current report
Results of operations, Regulation FD disclosure
Jan 18, 2024 Jan 18, 2024
8-K Current report
Other events
Dec 13, 2023 Dec 8, 2023
3 Initial insider ownership Dec 1, 2023 Nov 27, 2023
8-K Current report
Officer or director change
Nov 22, 2023 Nov 20, 2023
CERT Filing Nov 22, 2023 —
8-A12B Filing Nov 13, 2023 —
8-K Current report
Material agreement, New debt
Nov 13, 2023 Nov 13, 2023
8-K Current report
Material agreement, New debt
Nov 7, 2023 Nov 6, 2023
424B2 Prospectus Nov 7, 2023 —
497AD Filing Nov 6, 2023 —
FWP Free writing prospectus Nov 6, 2023 —
497AD Filing Nov 6, 2023 —
424B2 Prospectus Nov 6, 2023 —
10-Q Quarterly report Nov 2, 2023 Sep 30, 2023
8-K Current report
Results of operations, Regulation FD disclosure
Nov 2, 2023 Nov 2, 2023
8-K Current report
Material agreement, New debt
Oct 30, 2023 Oct 26, 2023
FWP Free writing prospectus Aug 23, 2023 —
8-K Current report
Material agreement
Aug 9, 2023 Aug 7, 2023
4 Insider transaction Aug 4, 2023 Jul 27, 2023
10-Q Quarterly report Aug 2, 2023 Jun 30, 2023
8-K Current report
Results of operations, Regulation FD disclosure
Aug 2, 2023 Aug 2, 2023
8-K Current report
Material agreement, New debt
Jul 6, 2023 Jun 29, 2023
3 Initial insider ownership Jul 6, 2023 Jun 27, 2023
8-K Current report
Officer or director change
Jun 30, 2023 Jun 27, 2023
40-17G/A Filing Jun 16, 2023 —
8-K Current report
Material agreement
May 19, 2023 May 18, 2023
424B2 Prospectus May 19, 2023 —
N-2ASR Filing May 18, 2023 —
RW Filing May 18, 2023 —
N-2 Filing May 17, 2023 —
40-17G Filing May 15, 2023 —
8-K Current report
Listing notice
May 15, 2023 May 12, 2023
4 Insider transaction May 15, 2023 May 11, 2023
10-Q Quarterly report May 8, 2023 Mar 31, 2023
8-K Current report
Results of operations, Regulation FD disclosure
May 8, 2023 May 8, 2023
8-K Current report
Material agreement, New debt
May 4, 2023 Apr 28, 2023
8-K Current report
Officer or director change
Apr 28, 2023 Apr 25, 2023
8-K Current report
Shareholder vote results
Apr 24, 2023 Apr 18, 2023
8-K Current report
Officer or director change
Mar 24, 2023 Mar 23, 2023
4 Insider transaction Mar 21, 2023 Mar 17, 2023
4 Insider transaction Mar 17, 2023 Mar 15, 2023
4 Insider transaction Mar 15, 2023 Mar 13, 2023
4 Insider transaction Mar 15, 2023 Mar 14, 2023
4 Insider transaction Mar 15, 2023 Mar 14, 2023
4 Insider transaction Mar 14, 2023 Mar 10, 2023
4 Insider transaction Mar 14, 2023 Mar 10, 2023
8-K Current report
Material agreement
Mar 10, 2023 Mar 8, 2023
DEFA14A Additional proxy material Mar 8, 2023 —
DEF 14A Proxy statement Mar 8, 2023 Apr 18, 2023
8-K Current report
Results of operations, Officer or director change, Regulation FD disclosure
Feb 27, 2023 Feb 27, 2023
10-K Annual report Feb 27, 2023 Dec 31, 2022
SC 13G Ownership over 5% (passive) Feb 14, 2023 —
8-K Current report
Other events
Dec 28, 2022 Dec 22, 2022
4 Insider transaction Dec 20, 2022 Dec 14, 2021
SC TO-I/A Filing Dec 7, 2022 —
10-Q Quarterly report Nov 8, 2022 Sep 30, 2022
8-K Current report
Results of operations, Officer or director change, Regulation FD disclosure
Nov 8, 2022 Nov 8, 2022
SC TO-I Filing Nov 4, 2022 —
8-K Current report
Material agreement, New debt, Other events
Nov 2, 2022 Nov 2, 2022
8-K Current report
Material agreement, Results of operations
Oct 28, 2022 Oct 27, 2022
4 Insider transaction Sep 8, 2022 Sep 6, 2022
4 Insider transaction Sep 7, 2022 Sep 2, 2022
4 Insider transaction Sep 6, 2022 Sep 1, 2022
10-Q Quarterly report Aug 8, 2022 Jun 30, 2022
8-K Current report
Results of operations, Regulation FD disclosure
Aug 8, 2022 Aug 8, 2022
40-APP/A Filing Jun 22, 2022 —
4 Insider transaction Jun 17, 2022 Jun 15, 2022
8-K Current report
Material agreement, New debt
Jun 17, 2022 Jun 15, 2022
4 Insider transaction Jun 14, 2022 Jun 13, 2022
4 Insider transaction May 26, 2022 May 24, 2022
40-APP Filing May 24, 2022 —
4 Insider transaction May 24, 2022 May 23, 2022
4 Insider transaction May 23, 2022 May 20, 2022
4 Insider transaction May 20, 2022 May 20, 2022
40-17G Filing May 20, 2022 —

Showing 200 filings, the most recent 200. Main filings leave out insider and ownership forms such as Form 4; choose a type above to see them. Each form opens on SEC.gov. Older filings are on SEC EDGAR.

Company profile

Listed as
NMFC (Nasdaq), NMFCZ (Nasdaq)
Fiscal year ends
December 31
Incorporated in
United States
Headquarters
New York, NY
SEC filer status
Large accelerated filer
SEC CIK
1496099
Former names
New Mountain Guardian Corp (until Feb 18, 2011)

Source: SEC EDGAR filings. This is company-reported data, not investment advice.