New Mountain Guardian III BDC, L.L.C. SEC EDGAR Filings (CIK 0001781870)

SEC EDGAR filings, ownership reports, and insider transactions for New Mountain Guardian III BDC, L.L.C..

Business address
1633 Broadway, 48 Th Floor, New York, NY, 10019
Top holdings (Schedule 13D)
New Mountain Guardian Investments III, L.L.C.
State of incorporation
DE
Fiscal year end
31 December
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New Mountain Guardian III BDC, L.L.C. has filed 150 SEC EDGAR filings since 12 Jul 2019

Latest Filings

Recent SEC filings for New Mountain Guardian III BDC, L.L.C. including SCHEDULE 13G/A, 4, SCHEDULE 13D/A and more.

Form type Document Filing Description Filing date Reporting date File number(s)
SCHEDULE 13G/A Open SCHEDULE 13G/A document View SEC filing for SCHEDULE 13G/A 14 Feb 2025 005-91125
SCHEDULE 13G/A Open SCHEDULE 13G/A document View SEC filing for SCHEDULE 13G/A 02 Jan 2025 005-91125
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 23 Dec 2024 17 Dec 2024
SCHEDULE 13D/A Open SCHEDULE 13D/A document View SEC filing for SCHEDULE 13D/A 20 Dec 2024 005-91125
4 Open 4 document View SEC filing for 4 OWNERSHIP DOCUMENT 19 Dec 2024 17 Dec 2024
SCHEDULE 13D/A Open SCHEDULE 13D/A document View SEC filing for SCHEDULE 13D/A 19 Dec 2024
15-12G Open 15-12G document View SEC filing for 15-12G 15-12G 19 Dec 2024 000-56072
N-54C Open N-54C document View SEC filing for N-54C N-54C 19 Dec 2024 814-01317
SCHEDULE 13G/A Open SCHEDULE 13G/A document View SEC filing for SCHEDULE 13G/A 19 Dec 2024 005-91125
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 19 Dec 2024 18 Dec 2024 814-01317
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 12 Nov 2024 30 Sep 2024 814-01317
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 06 Nov 2024 31 Oct 2024 814-01317
DEFA14A Open DEFA14A document View SEC filing for DEFA14A DEFA14A 21 Oct 2024 814-01317
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K FORM 8-K 21 Oct 2024 21 Oct 2024 814-01317
425 Open 425 document View SEC filing for 425 425 16 Oct 2024 814-01317
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 16 Oct 2024 11 Oct 2024 814-01317
DEFM14A Open DEFM14A document View SEC filing for DEFM14A DEFM14A 11 Oct 2024 814-01317
CORRESP Open CORRESP document View SEC filing for CORRESP 10 Oct 2024
CORRESP Open CORRESP document View SEC filing for CORRESP 08 Oct 2024
CORRESP Open CORRESP document View SEC filing for CORRESP 27 Sep 2024
PREM14A Open PREM14A document View SEC filing for PREM14A PRE 14A 09 Sep 2024 09 Sep 2024 814-01317
CORRESP Open CORRESP document View SEC filing for CORRESP 23 Aug 2024
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 14 Aug 2024 30 Jun 2024 814-01317
N-23C-2 Open N-23C-2 document View SEC filing for N-23C-2 N-23C-2 16 Jul 2024 16 Jul 2024 817-01491
40-17G Open 40-17G document View SEC filing for 40-17G 40-17G 16 May 2024 814-01317
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 14 May 2024 31 Mar 2024 814-01317
N-23C-2 Open N-23C-2 document View SEC filing for N-23C-2 N-23C-2 06 May 2024 06 May 2024 817-01491
10-K Open 10-K document | Open XBRL data View SEC filing for 10-K 10-K 06 Mar 2024 31 Dec 2023 814-01317
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A SC 13G/A 13 Feb 2024 005-91125
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K FORM 8-K 04 Dec 2023 28 Nov 2023 814-01317
3 Open 3 document View SEC filing for 3 OWNERSHIP DOCUMENT 01 Dec 2023 27 Nov 2023
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K FORM 8-K 22 Nov 2023 20 Nov 2023 814-01317
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 14 Nov 2023 30 Sep 2023 814-01317
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 11 Aug 2023 30 Jun 2023 814-01317
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K FORM 8-K 10 Aug 2023 04 Aug 2023 814-01317
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K FORM 8-K 29 Jun 2023 28 Jun 2023 814-01317
40-17G/A Open 40-17G/A document View SEC filing for 40-17G/A 40-17G/A 16 Jun 2023 814-01317
DEF 14C Open DEF 14C document View SEC filing for DEF 14C DEF 14C 09 Jun 2023 09 Jun 2023 814-01317
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K FORM 8-K 30 May 2023 23 May 2023 814-01317
PRE 14C Open PRE 14C document View SEC filing for PRE 14C PRE 14C 30 May 2023 30 May 2023 814-01317
40-17G Open 40-17G document View SEC filing for 40-17G 40-17G 15 May 2023 814-01317
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 12 May 2023 31 Mar 2023 814-01317
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K FORM 8-K 24 Mar 2023 23 Mar 2023 814-01317
10-K Open 10-K document | Open XBRL data View SEC filing for 10-K 10-K 09 Mar 2023 31 Dec 2022 814-01317
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K FORM 8-K 27 Feb 2023 27 Feb 2023 814-01317
SC 13G Open SC 13G document View SEC filing for SC 13G 13 Feb 2023 005-91125
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 10 Feb 2023 01 Dec 2021
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A SC 13G/A 10 Feb 2023 005-91125
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A SC 13G/A 01 Feb 2023 005-91125
10-Q Open 10-Q document View SEC filing for 10-Q 10-Q 10 Nov 2022 30 Sep 2022 814-01317
8-K Open 8-K document View SEC filing for 8-K FORM 8-K 10 Nov 2022 07 Nov 2022 814-01317
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A SC 13G/A 18 Oct 2022 005-91125
SC 13D/A Open SC 13D/A document View SEC filing for SC 13D/A SC 13D/A 03 Oct 2022 005-91125
4 Open 4 document View SEC filing for 4 OWNERSHIP DOCUMENT 03 Oct 2022 18 Dec 2020
10-Q Open 10-Q document View SEC filing for 10-Q 10-Q 12 Aug 2022 30 Jun 2022 814-01317
8-K Open 8-K document View SEC filing for 8-K FORM 8-K 12 Jul 2022 07 Jul 2022 814-01317
8-K Open 8-K document View SEC filing for 8-K FORM 8-K 01 Jul 2022 29 Jun 2022 814-01317
40-APP/A Open 40-APP/A document View SEC filing for 40-APP/A 40-APP/A 22 Jun 2022 812-15342-22
40-17G Open 40-17G document View SEC filing for 40-17G 40-17G 01 Jun 2022 814-01317
40-APP Open 40-APP document View SEC filing for 40-APP 40-APP 24 May 2022 812-15342-22
10-Q Open 10-Q document View SEC filing for 10-Q 10-Q 12 May 2022 31 Mar 2022 814-01317
8-K Open 8-K document View SEC filing for 8-K FORM 8-K 13 Apr 2022 11 Apr 2022 814-01317
DEF 14C Open DEF 14C document View SEC filing for DEF 14C DEF 14C 21 Mar 2022 21 Mar 2022 814-01317
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K FORM 8-K 15 Mar 2022 09 Mar 2022 814-01317
PRE 14C Open PRE 14C document View SEC filing for PRE 14C PRE 14C 11 Mar 2022 10 Mar 2022 814-01317
10-K Open 10-K document View SEC filing for 10-K 10-K 09 Mar 2022 31 Dec 2021 814-01317
3 Open 3 document View SEC filing for 3 OWNERSHIP DOCUMENT 09 Mar 2022 04 Mar 2022
8-K Open 8-K document View SEC filing for 8-K FORM 8-K 09 Mar 2022 03 Mar 2022 814-01317
3 Open 3 document View SEC filing for 3 OWNERSHIP DOCUMENT 25 Feb 2022 15 Feb 2022
SC 13D/A Open SC 13D/A document View SEC filing for SC 13D/A 17 Feb 2022 005-91125
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A 11 Feb 2022 005-91125
8-K Open 8-K document View SEC filing for 8-K FORM 8-K 11 Feb 2022 07 Feb 2022 814-01317
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A SC 13G/A 11 Feb 2022 005-91125
5/A Open 5/A document View SEC filing for 5/A FORM 5/A 10 Feb 2022 31 Dec 2021
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A SC 13G/A 03 Feb 2022 005-91125
5 Open 5 document View SEC filing for 5 FORM 5 SUBMISSION 03 Feb 2022 31 Dec 2021
8-K Open 8-K document View SEC filing for 8-K FORM 8-K 06 Dec 2021 01 Dec 2021 814-01317
10-Q Open 10-Q document View SEC filing for 10-Q 10-Q 12 Nov 2021 30 Sep 2021 814-01317
SC 13G Open SC 13G document View SEC filing for SC 13G 08 Nov 2021 005-91125
3 Open 3 document View SEC filing for 3 PRIMARY DOCUMENT 05 Nov 2021 25 Oct 2021
8-K Open 8-K document View SEC filing for 8-K FORM 8-K 03 Nov 2021 03 Nov 2021 814-01317
8-K Open 8-K document View SEC filing for 8-K NEW MOUNTAIN GUARDIAN III BDC, L.L.C. 8-K 19 Oct 2021 19 Oct 2021 814-01317
8-K Open 8-K document View SEC filing for 8-K FORM 8-K 14 Oct 2021 11 Oct 2021 814-01317
8-K Open 8-K document View SEC filing for 8-K FORM 8-K 06 Oct 2021 30 Sep 2021 814-01317
10-Q Open 10-Q document View SEC filing for 10-Q 10-Q 12 Aug 2021 30 Jun 2021 814-01317
8-K Open 8-K document View SEC filing for 8-K FORM 8-K 10 Aug 2021 04 Aug 2021 814-01317
40-17G Open 40-17G document View SEC filing for 40-17G 40-17G 06 Aug 2021 814-01317
DEF 14C Open DEF 14C document View SEC filing for DEF 14C DEF 14C 02 Aug 2021 02 Aug 2021 814-01317
8-K Open 8-K document View SEC filing for 8-K FORM 8-K 23 Jul 2021 22 Jul 2021 814-01317
PRE 14C Open PRE 14C document View SEC filing for PRE 14C PRE 14C 23 Jul 2021 23 Jul 2021 814-01317
D/A Open D/A document View SEC filing for D/A 23 Jul 2021 021-344218
8-K Open 8-K document View SEC filing for 8-K FORM 8-K 14 Jul 2021 12 Jul 2021 814-01317
8-K Open 8-K document View SEC filing for 8-K FORM 8-K 06 Jul 2021 29 Jun 2021 814-01317
4 Open 4 document View SEC filing for 4 OWNERSHIP DOCUMENT 21 Jun 2021 31 Mar 2021
8-K Open 8-K document View SEC filing for 8-K FORM 8-K 04 Jun 2021 01 Jun 2021 814-01317
8-K Open 8-K document View SEC filing for 8-K FORM 8-K 27 May 2021 25 May 2021 814-01317
10-Q Open 10-Q document View SEC filing for 10-Q 10-Q 10 May 2021 31 Mar 2021 814-01317
10-K Open 10-K document View SEC filing for 10-K 10-K 09 Mar 2021 31 Dec 2020 814-01317
3 Open 3 document View SEC filing for 3 OWNERSHIP DOCUMENT 08 Mar 2021 26 Feb 2021
SC 13G Open SC 13G document View SEC filing for SC 13G SCHEDULE 13G 08 Mar 2021 005-91125
DEF 14C Open DEF 14C document View SEC filing for DEF 14C DEF 14C 22 Feb 2021 22 Feb 2021 814-01317
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A SCHEDULE 13G/A 16 Feb 2021 005-91125
SC 13D/A Open SC 13D/A document View SEC filing for SC 13D/A 12 Feb 2021 005-91125
SC 13G Open SC 13G document View SEC filing for SC 13G SC 13G 12 Feb 2021 005-91125
PRE 14C Open PRE 14C document View SEC filing for PRE 14C PRE 14C 10 Feb 2021 09 Feb 2021 814-01317
8-K Open 8-K document View SEC filing for 8-K FORM 8-K 22 Jan 2021 15 Jan 2021 814-01317
8-K Open 8-K document View SEC filing for 8-K FORM 8-K 04 Jan 2021 29 Dec 2020 814-01317
10-Q Open 10-Q document View SEC filing for 10-Q 10-Q 12 Nov 2020 30 Sep 2020 814-01317
40-17G Open 40-17G document View SEC filing for 40-17G 40-17G 14 Aug 2020 814-01317
10-Q Open 10-Q document View SEC filing for 10-Q 10-Q 13 Aug 2020 30 Jun 2020 814-01317
D/A Open D/A document View SEC filing for D/A 13 Jul 2020 021-344218
SC 13D/A Open SC 13D/A document View SEC filing for SC 13D/A 22 May 2020 005-91125
4 Open 4 document View SEC filing for 4 19 May 2020 05 May 2020
10-Q Open 10-Q document View SEC filing for 10-Q 10-Q 14 May 2020 31 Mar 2020 814-01317
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 12 May 2020 05 May 2020
4 Open 4 document View SEC filing for 4 4 07 May 2020 05 May 2020
SC 13D/A Open SC 13D/A document View SEC filing for SC 13D/A SC 13D/A 07 May 2020 005-91125
8-K Open 8-K document View SEC filing for 8-K FORM 8-K 21 Apr 2020 15 Apr 2020 814-01317
8-K Open 8-K document View SEC filing for 8-K FORM 8-K 16 Mar 2020 13 Mar 2020 814-01317
10-K Open 10-K document View SEC filing for 10-K 10-K 04 Mar 2020 31 Dec 2019 814-01317
SC 13G Open SC 13G document View SEC filing for SC 13G SC 13G 18 Feb 2020 005-91125
SC 13D Open SC 13D document View SEC filing for SC 13D SC 13D 12 Feb 2020
5 Open 5 document View SEC filing for 5 5 11 Feb 2020 31 Dec 2019
8-K Open 8-K document View SEC filing for 8-K FORM 8-K 16 Dec 2019 10 Dec 2019 814-01317
8-K Open 8-K document View SEC filing for 8-K FORM 8-K 29 Nov 2019 26 Nov 2019 814-01317
10-Q Open 10-Q document View SEC filing for 10-Q 10-Q 13 Nov 2019 30 Sep 2019 814-01317
40-17G Open 40-17G document View SEC filing for 40-17G 40-17G 08 Oct 2019 814-01317
3 Open 3 document View SEC filing for 3 PRIMARY DOCUMENT 25 Sep 2019 13 Sep 2019
3 Open 3 document View SEC filing for 3 3 23 Sep 2019 13 Sep 2019
SC 13G Open SC 13G document View SEC filing for SC 13G SCHEDULE 13G 17 Sep 2019 005-91125
SC 13D Open SC 13D document View SEC filing for SC 13D 16 Sep 2019 005-91125
3 Open 3 document View SEC filing for 3 16 Sep 2019 05 Sep 2019
SC 13G Open SC 13G document View SEC filing for SC 13G SC 13G 13 Sep 2019 005-91125
3 Open 3 document View SEC filing for 3 FORM 3 13 Sep 2019 13 Sep 2019
3 Open 3 document View SEC filing for 3 OWNERSHIP DOCUMENT 13 Sep 2019 13 Sep 2019
3 Open 3 document View SEC filing for 3 3 13 Sep 2019 13 Sep 2019
3 Open 3 document View SEC filing for 3 3 13 Sep 2019 13 Sep 2019
3 Open 3 document View SEC filing for 3 3 13 Sep 2019 13 Sep 2019
3 Open 3 document View SEC filing for 3 3 13 Sep 2019 13 Sep 2019
3 Open 3 document View SEC filing for 3 3 13 Sep 2019 13 Sep 2019
3 Open 3 document View SEC filing for 3 3 13 Sep 2019 13 Sep 2019
3 Open 3 document View SEC filing for 3 3 13 Sep 2019 13 Sep 2019
3 Open 3 document View SEC filing for 3 3 13 Sep 2019 13 Sep 2019
3 Open 3 document View SEC filing for 3 3 13 Sep 2019 13 Sep 2019
10-12G/A Open 10-12G/A document View SEC filing for 10-12G/A 10-12G/A 13 Sep 2019 000-56072
CORRESP Open CORRESP document View SEC filing for CORRESP 13 Sep 2019
UPLOAD Open UPLOAD document View SEC filing for UPLOAD 13 Sep 2019
N-54A Open N-54A document View SEC filing for N-54A N-54A 15 Jul 2019 814-01317
10-12G Open 10-12G document View SEC filing for 10-12G 10-12G 15 Jul 2019 000-56072
D Open D document View SEC filing for D 12 Jul 2019 021-344218

About this filer

New Mountain Guardian III BDC, L.L.C. files with the SEC under CIK 0001781870. This page aggregates EDGAR filings and related ownership activity.

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What is a CIK?
A Central Index Key (CIK) is a unique identifier assigned by the SEC to each filer.
Why are some filings missing?
New filings appear as the SEC updates EDGAR, and older records can vary by availability.
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Updates follow new EDGAR submissions and periodic data refreshes.

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