Montrose Environmental Group, Inc. SEC EDGAR Filings (CIK 0001643615)

SEC EDGAR filings, ownership reports, and insider transactions for Montrose Environmental Group, Inc..

Symbol
MEG on NYSE
Industry
Services Management Consulting Services (Office Of Trade & Services)
Business address
4 Park Plaza, Suite 790, Irvine, CA, 92614
State of incorporation
DE
Fiscal year end
31 December
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Montrose Environmental Group, Inc. has filed 337 SEC EDGAR filings since 08 Jun 2015

Latest Filings

Recent SEC filings for Montrose Environmental Group, Inc. including 8-K, 4, SCHEDULE 13G/A and more.

Form type Document Filing Description Filing date Reporting date File number(s)
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 20 Jan 2026 19 Jan 2026 001-39394
4 Open 4 document View SEC filing for 4 4 06 Jan 2026 01 Jan 2026
4 Open 4 document View SEC filing for 4 4 06 Jan 2026 01 Jan 2026
4 Open 4 document View SEC filing for 4 4 06 Jan 2026 01 Jan 2026
4 Open 4 document View SEC filing for 4 4 06 Jan 2026 01 Jan 2026
4 Open 4 document View SEC filing for 4 4 06 Jan 2026 01 Jan 2026
4 Open 4 document View SEC filing for 4 4 06 Jan 2026 01 Jan 2026
4 Open 4 document View SEC filing for 4 4 06 Jan 2026 01 Jan 2026
4 Open 4 document View SEC filing for 4 4 06 Jan 2026 01 Jan 2026
4 Open 4 document View SEC filing for 4 4 19 Dec 2025 16 Dec 2025
4 Open 4 document View SEC filing for 4 4 19 Dec 2025 16 Dec 2025
4 Open 4 document View SEC filing for 4 4 19 Dec 2025 16 Dec 2025
4 Open 4 document View SEC filing for 4 4 19 Dec 2025 16 Dec 2025
SCHEDULE 13G/A Open SCHEDULE 13G/A document View SEC filing for SCHEDULE 13G/A 14 Nov 2025 005-92095
4 Open 4 document View SEC filing for 4 4 12 Nov 2025 10 Nov 2025
SCHEDULE 13G/A Open SCHEDULE 13G/A document View SEC filing for SCHEDULE 13G/A 12 Nov 2025 005-92095
144 Open 144 document View SEC filing for 144 12 Nov 2025 001-39394
144 Open 144 document View SEC filing for 144 10 Nov 2025 001-39394
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 05 Nov 2025 30 Sep 2025 001-39394
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 04 Nov 2025 04 Nov 2025 001-39394
SCHEDULE 13G/A Open SCHEDULE 13G/A document View SEC filing for SCHEDULE 13G/A 24 Oct 2025 005-92095
SCHEDULE 13G/A Open SCHEDULE 13G/A document View SEC filing for SCHEDULE 13G/A 14 Aug 2025 005-92095
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 07 Aug 2025 30 Jun 2025 001-39394
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 06 Aug 2025 06 Aug 2025 001-39394
SCHEDULE 13G/A Open SCHEDULE 13G/A document View SEC filing for SCHEDULE 13G/A 30 Jul 2025 005-92095
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 07 Jul 2025 01 Jul 2025 001-39394
SCHEDULE 13G/A Open SCHEDULE 13G/A document View SEC filing for SCHEDULE 13G/A 15 May 2025 005-92095
SCHEDULE 13G/A Open SCHEDULE 13G/A document View SEC filing for SCHEDULE 13G/A 15 May 2025 005-92095
4/A Open 4/A document View SEC filing for 4/A 4/A 14 May 2025 06 Mar 2025
4 Open 4 document View SEC filing for 4 4 14 May 2025 13 May 2025
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 09 May 2025 06 May 2025 001-39394
SCHEDULE 13G Open SCHEDULE 13G document View SEC filing for SCHEDULE 13G 09 May 2025 005-92095
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 08 May 2025 31 Mar 2025 001-39394
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 07 May 2025 07 May 2025 001-39394
SCHEDULE 13G/A Open SCHEDULE 13G/A document View SEC filing for SCHEDULE 13G/A 04 Apr 2025 005-92095
ARS Open ARS document View SEC filing for ARS ARS 24 Mar 2025 31 Dec 2024 001-39394
DEFA14A Open DEFA14A document View SEC filing for DEFA14A DEFA14A 24 Mar 2025 001-39394
DEF 14A Open DEF 14A document | Open XBRL data View SEC filing for DEF 14A DEF 14A 24 Mar 2025 06 May 2025 001-39394
4 Open 4 document View SEC filing for 4 4 12 Mar 2025 11 Mar 2025
4 Open 4 document View SEC filing for 4 4 07 Mar 2025 06 Mar 2025
PRE 14A Open PRE 14A document | Open XBRL data View SEC filing for PRE 14A PRE 14A 07 Mar 2025 06 May 2025 001-39394
S-8 Open S-8 document | Open XBRL data View SEC filing for S-8 S-8 03 Mar 2025 333-285494
10-K Open 10-K document | Open XBRL data View SEC filing for 10-K 10-K 03 Mar 2025 31 Dec 2024 001-39394
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 26 Feb 2025 26 Feb 2025 001-39394
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 20 Feb 2025 19 Feb 2025 001-39394
SCHEDULE 13G/A Open SCHEDULE 13G/A document View SEC filing for SCHEDULE 13G/A 14 Feb 2025 005-92095
SCHEDULE 13G Open SCHEDULE 13G document View SEC filing for SCHEDULE 13G 14 Feb 2025 005-92095
SCHEDULE 13G Open SCHEDULE 13G document View SEC filing for SCHEDULE 13G 13 Feb 2025 005-92095
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 17 Jan 2025 13 Jan 2025 001-39394
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 06 Jan 2025 31 Dec 2024 001-39394
4 Open 4 document View SEC filing for 4 4 03 Jan 2025 01 Jan 2025
4 Open 4 document View SEC filing for 4 4 03 Jan 2025 01 Jan 2025
4 Open 4 document View SEC filing for 4 4 03 Jan 2025 01 Jan 2025
4 Open 4 document View SEC filing for 4 4 03 Jan 2025 01 Jan 2025
4 Open 4 document View SEC filing for 4 4 03 Jan 2025 01 Jan 2025
4 Open 4 document View SEC filing for 4 4 03 Jan 2025 01 Jan 2025
4 Open 4 document View SEC filing for 4 4 03 Jan 2025 01 Jan 2025
SC 13G Open SC 13G document View SEC filing for SC 13G 17 Dec 2024 005-92095
4 Open 4 document View SEC filing for 4 4 25 Nov 2024 21 Nov 2024
SC 13G Open SC 13G document View SEC filing for SC 13G MONTROSE ENVIRONMENTAL GROUP, INC. 14 Nov 2024 005-92095
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 07 Nov 2024 30 Sep 2024 001-39394
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 06 Nov 2024 06 Nov 2024 001-39394
4 Open 4 document View SEC filing for 4 4 21 Aug 2024 06 May 2024
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 07 Aug 2024 30 Jun 2024 001-39394
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 06 Aug 2024 06 Aug 2024 001-39394
UPLOAD Open UPLOAD document View SEC filing for UPLOAD 10 Jun 2024 001-39394
CORRESP Open CORRESP document View SEC filing for CORRESP 16 May 2024
4 Open 4 document View SEC filing for 4 4 15 May 2024 13 May 2024
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 14 May 2024 13 May 2024 001-39394
4 Open 4 document View SEC filing for 4 4 09 May 2024 06 May 2024
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 08 May 2024 07 May 2024 001-39394
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 08 May 2024 31 Mar 2024 001-39394
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 07 May 2024 07 May 2024 001-39394
144 Open 144 document View SEC filing for 144 06 May 2024 001-39394
UPLOAD Open UPLOAD document View SEC filing for UPLOAD 06 May 2024 001-39394
DEFA14A Open DEFA14A document View SEC filing for DEFA14A DEFA14A 22 Apr 2024 001-39394
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 19 Apr 2024 17 Apr 2024 001-39394
424B5 Open 424B5 document View SEC filing for 424B5 424B5 19 Apr 2024 333-278725
424B5 Open 424B5 document View SEC filing for 424B5 424B5 16 Apr 2024 333-278725
S-3ASR Open S-3ASR document View SEC filing for S-3ASR S-3ASR 16 Apr 2024 333-278725
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 02 Apr 2024 02 Apr 2024 001-39394
ARS Open ARS document View SEC filing for ARS ARS 25 Mar 2024 31 Dec 2023 001-39394
DEFA14A Open DEFA14A document View SEC filing for DEFA14A DEFA14A 25 Mar 2024 001-39394
DEF 14A Open DEF 14A document | Open XBRL data View SEC filing for DEF 14A DEF 14A 25 Mar 2024 07 May 2024 001-39394
PRE 14A Open PRE 14A document | Open XBRL data View SEC filing for PRE 14A PRE 14A 11 Mar 2024 07 May 2024 001-39394
S-8 Open S-8 document View SEC filing for S-8 S-8 29 Feb 2024 333-277515
10-K Open 10-K document | Open XBRL data View SEC filing for 10-K 10-K 29 Feb 2024 31 Dec 2023 001-39394
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 29 Feb 2024 29 Feb 2024 001-39394
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 20 Feb 2024 14 Feb 2024 001-39394
SC 13G Open SC 13G document View SEC filing for SC 13G SCHEDULE 13G 13 Feb 2024 005-92095
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A AMENDMENT 2 13 Feb 2024 005-92095
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A SEC SCHEDULE 13G 09 Feb 2024 005-92095
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A 25 Jan 2024 005-92095
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 02 Jan 2024 01 Jan 2024
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 02 Jan 2024 01 Jan 2024
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 02 Jan 2024 01 Jan 2024
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 02 Jan 2024 01 Jan 2024
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 02 Jan 2024 01 Jan 2024
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 02 Jan 2024 01 Jan 2024
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 02 Jan 2024 01 Jan 2024
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 13 Nov 2023 10 Nov 2023
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 13 Nov 2023 10 Nov 2023
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 08 Nov 2023 30 Sep 2023 001-39394
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 07 Nov 2023 07 Nov 2023 001-39394
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A MONTROSE ENVIRONMENTAL GROUP, INC. 10 Oct 2023 005-92095
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 13 Sep 2023 12 Sep 2023
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 09 Aug 2023 30 Jun 2023 001-39394
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 08 Aug 2023 08 Aug 2023 001-39394
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 06 Jun 2023 06 Jun 2023 001-39394
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 16 May 2023 12 May 2023
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 11 May 2023 09 May 2023 001-39394
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 10 May 2023 31 Mar 2023 001-39394
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 09 May 2023 09 May 2023 001-39394
ARS Open ARS document View SEC filing for ARS ARS 28 Mar 2023 31 Dec 2022 001-39394
DEFA14A Open DEFA14A document View SEC filing for DEFA14A DEFA14A 28 Mar 2023 001-39394
DEF 14A Open DEF 14A document | Open XBRL data View SEC filing for DEF 14A DEF 14A 28 Mar 2023 001-39394
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 07 Mar 2023 03 Mar 2023
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 07 Mar 2023 03 Mar 2023
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 07 Mar 2023 03 Mar 2023
S-8 Open S-8 document View SEC filing for S-8 S-8 01 Mar 2023 333-270174
10-K Open 10-K document | Open XBRL data View SEC filing for 10-K 10-K 01 Mar 2023 31 Dec 2022 001-39394
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 28 Feb 2023 28 Feb 2023 001-39394
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 21 Feb 2023 16 Feb 2023
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A MONTROSE ENVIRONMENTAL GROUP, INC. 14 Feb 2023 005-92095
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A SEC SCHEDULE 13G 13 Feb 2023 005-92095
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A 13 Feb 2023 005-92095
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 03 Feb 2023 02 Feb 2023
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 01 Feb 2023 30 Jan 2023
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A 31 Jan 2023 005-92095
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 27 Jan 2023 25 Jan 2023
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 24 Jan 2023 23 Jan 2023
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 20 Jan 2023 18 Jan 2023
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 17 Jan 2023 13 Jan 2023
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 03 Jan 2023 01 Jan 2023
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 03 Jan 2023 01 Jan 2023
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 03 Jan 2023 01 Jan 2023
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 03 Jan 2023 01 Jan 2023
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 03 Jan 2023 01 Jan 2023
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 03 Jan 2023 01 Jan 2023
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 03 Jan 2023 01 Jan 2023
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 09 Nov 2022 30 Sep 2022 001-39394
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 08 Nov 2022 08 Nov 2022 001-39394
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 09 Aug 2022 30 Jun 2022 001-39394
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 08 Aug 2022 08 Aug 2022 001-39394
UPLOAD Open UPLOAD document View SEC filing for UPLOAD 16 Jun 2022
CORRESP Open CORRESP document View SEC filing for CORRESP 16 Jun 2022
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 14 Jun 2022 14 Jun 2022 001-39394
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 08 Jun 2022 02 Jun 2022 001-39394
CORRESP Open CORRESP document View SEC filing for CORRESP 31 May 2022
UPLOAD Open UPLOAD document View SEC filing for UPLOAD 18 May 2022
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 17 May 2022 17 May 2022
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 16 May 2022 12 May 2022
CORRESP Open CORRESP document View SEC filing for CORRESP 11 May 2022
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 11 May 2022 10 May 2022 001-39394
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 10 May 2022 31 Mar 2022 001-39394
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 09 May 2022 09 May 2022 001-39394
UPLOAD Open UPLOAD document View SEC filing for UPLOAD 28 Apr 2022
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A MONTROSE ENVIRONMENTAL GROUP, INC. 08 Apr 2022 005-92095
DEFA14A Open DEFA14A document View SEC filing for DEFA14A DEFA14A 29 Mar 2022 001-39394
DEF 14A Open DEF 14A document View SEC filing for DEF 14A DEF 14A 29 Mar 2022 10 May 2022 001-39394
4/A Open 4/A document View SEC filing for 4/A FORM 4/A SUBMISSION 29 Mar 2022 15 Oct 2021
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 28 Mar 2022 28 Mar 2022 001-39394
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 21 Mar 2022 23 Dec 2021
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 04 Mar 2022 28 Feb 2022
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 03 Mar 2022 28 Feb 2022
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 03 Mar 2022 28 Feb 2022
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 03 Mar 2022 28 Feb 2022
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 03 Mar 2022 28 Feb 2022
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 03 Mar 2022 03 Mar 2022
S-8 Open S-8 document View SEC filing for S-8 S-8 01 Mar 2022 333-263162
10-K Open 10-K document | Open XBRL data View SEC filing for 10-K 10-K 01 Mar 2022 31 Dec 2021 001-39394
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 28 Feb 2022 28 Feb 2022 001-39394
5 Open 5 document View SEC filing for 5 FORM 5 SUBMISSION 15 Feb 2022 31 Dec 2021
5 Open 5 document View SEC filing for 5 FORM 5 SUBMISSION 14 Feb 2022 31 Dec 2021
SC 13G Open SC 13G document View SEC filing for SC 13G INITIAL FILING DECEMBER 2021 14 Feb 2022 005-92095
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A MONTROSE ENVIRONMENTAL GROUP, INC. 14 Feb 2022 005-92095
SC 13G Open SC 13G document View SEC filing for SC 13G SEC SCHEDULE 13G 11 Feb 2022 005-92095
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A 09 Feb 2022 005-92095
SC 13G Open SC 13G document View SEC filing for SC 13G 04 Feb 2022 005-92095
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 03 Jan 2022 01 Jan 2022
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 03 Jan 2022 01 Jan 2022
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 03 Jan 2022 01 Jan 2022
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 03 Jan 2022 01 Jan 2022
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 03 Jan 2022 01 Jan 2022
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 03 Jan 2022 01 Jan 2022
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 03 Jan 2022 01 Jan 2022
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 21 Dec 2021 16 Dec 2021 001-39394
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 20 Dec 2021 16 Dec 2021
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 20 Dec 2021 16 Dec 2021
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 20 Dec 2021 16 Dec 2021
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 20 Dec 2021 16 Dec 2021
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 20 Dec 2021 04 Nov 2021
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 13 Dec 2021 13 Dec 2021
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 06 Dec 2021 06 Dec 2019
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 02 Dec 2021 30 Nov 2021
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 12 Nov 2021 09 Nov 2021
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 10 Nov 2021 30 Sep 2021 001-39394
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 09 Nov 2021 05 Nov 2021
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 09 Nov 2021 09 Nov 2021 001-39394
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 04 Nov 2021 02 Nov 2021
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 01 Nov 2021 28 Oct 2021
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 27 Oct 2021 25 Oct 2021
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 25 Oct 2021 19 Oct 2021 001-39394
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 22 Oct 2021 20 Oct 2021
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 21 Oct 2021 19 Oct 2021
3 Open 3 document View SEC filing for 3 FORM 3 SUBMISSION 21 Oct 2021 19 Oct 2021
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 19 Oct 2021 15 Oct 2021
SC 13G Open SC 13G document View SEC filing for SC 13G MONTROSE ENVIRONMENTAL GROUP, INC. 08 Oct 2021 005-92095
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 30 Sep 2021 28 Sep 2021 001-39394
424B5 Open 424B5 document View SEC filing for 424B5 424B5 30 Sep 2021 333-258730
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 28 Sep 2021 27 Sep 2021
424B5 Open 424B5 document View SEC filing for 424B5 424B5 27 Sep 2021 333-258730
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 24 Sep 2021 24 Sep 2021
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 24 Sep 2021 23 Sep 2021
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 23 Sep 2021 21 Sep 2021
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 23 Sep 2021 21 Sep 2021
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 23 Sep 2021 21 Sep 2021
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 17 Sep 2021 16 Sep 2021
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 17 Sep 2021 16 Sep 2021
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 17 Sep 2021 15 Sep 2021
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 17 Sep 2021 15 Sep 2021
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 13 Sep 2021 10 Sep 2021
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 13 Sep 2021 09 Sep 2021
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 23 Aug 2021 19 Aug 2021
EFFECT Open EFFECT document View SEC filing for EFFECT 20 Aug 2021 333-258732
424B3 Open 424B3 document View SEC filing for 424B3 424B3 20 Aug 2021 333-258732
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 19 Aug 2021 17 Aug 2021
CORRESP Open CORRESP document View SEC filing for CORRESP 18 Aug 2021
UPLOAD Open UPLOAD document View SEC filing for UPLOAD 18 Aug 2021
S-3 Open S-3 document View SEC filing for S-3 S-3 11 Aug 2021 333-258732
S-3ASR Open S-3ASR document View SEC filing for S-3ASR S-3ASR 11 Aug 2021 333-258730
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 11 Aug 2021 30 Jun 2021 001-39394
8-K Open 8-K document View SEC filing for 8-K 8-K 10 Aug 2021 10 Aug 2021 001-39394
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 04 Aug 2021 02 Aug 2021
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 02 Jul 2021 30 Jun 2021
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 28 Jun 2021 24 Jun 2021
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 19 May 2021 17 May 2021
8-K Open 8-K document View SEC filing for 8-K 8-K 17 May 2021 13 May 2021 001-39394
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q MEG-Q1-20210331 12 May 2021 31 Mar 2021 001-39394
8-K Open 8-K document View SEC filing for 8-K 8-K 12 May 2021 12 May 2021 001-39394
8-K Open 8-K document View SEC filing for 8-K 8-K 29 Apr 2021 27 Apr 2021 001-39394
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 01 Apr 2021 30 Mar 2021
8-K Open 8-K document View SEC filing for 8-K 8-K 01 Apr 2021 01 Apr 2021 001-39394
DEFA14A Open DEFA14A document View SEC filing for DEFA14A DEFA14A 01 Apr 2021 001-39394
DEF 14A Open DEF 14A document View SEC filing for DEF 14A DEF 14A 01 Apr 2021 13 May 2021 001-39394
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 31 Mar 2021 29 Mar 2021
S-8 Open S-8 document View SEC filing for S-8 S-8 26 Mar 2021 333-254764
10-K Open 10-K document | Open XBRL data View SEC filing for 10-K 10-K 24 Mar 2021 31 Dec 2020 001-39394
8-K Open 8-K document View SEC filing for 8-K 8-K 24 Mar 2021 24 Mar 2021 001-39394
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 19 Mar 2021 18 Mar 2021
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 19 Mar 2021 18 Mar 2021
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 19 Mar 2021 18 Mar 2021
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 19 Mar 2021 18 Mar 2021
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 19 Mar 2021 18 Mar 2021
8-K Open 8-K document View SEC filing for 8-K 8-K 08 Mar 2021 08 Mar 2021 001-39394
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 25 Feb 2021 23 Feb 2021
SC 13G Open SC 13G document View SEC filing for SC 13G 08 Feb 2021 005-92095
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 12 Jan 2021 01 Jan 2021
8-K Open 8-K document View SEC filing for 8-K 8-K 11 Jan 2021 11 Jan 2021 001-39394
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 08 Jan 2021 01 Jan 2021
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 08 Jan 2021 01 Jan 2021
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 08 Jan 2021 01 Jan 2021
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 08 Jan 2021 01 Jan 2021
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 08 Jan 2021 01 Jan 2021
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 08 Jan 2021 01 Jan 2021
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 08 Jan 2021 01 Jan 2021
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 08 Jan 2021 01 Jan 2021
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 08 Jan 2021 01 Jan 2021
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 08 Jan 2021 01 Jan 2021
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 23 Dec 2020 22 Dec 2020
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 17 Dec 2020 14 Dec 2020
4 Open 4 document View SEC filing for 4 OWNERSHIP DOCUMENT 02 Dec 2020 30 Nov 2020
4 Open 4 document View SEC filing for 4 OWNERSHIP DOCUMENT 02 Dec 2020 30 Nov 2020
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 01 Dec 2020 30 Nov 2020
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 01 Dec 2020 30 Nov 2020
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 01 Dec 2020 30 Nov 2020
424B4 Open 424B4 document View SEC filing for 424B4 424B4 25 Nov 2020 333-250865
EFFECT Open EFFECT document View SEC filing for EFFECT 24 Nov 2020 333-250865
CORRESP Open CORRESP document View SEC filing for CORRESP 23 Nov 2020
CORRESP Open CORRESP document View SEC filing for CORRESP 23 Nov 2020
S-1 Open S-1 document | Open XBRL data View SEC filing for S-1 S-1 23 Nov 2020 333-250865
UPLOAD Open UPLOAD document View SEC filing for UPLOAD 19 Nov 2020
DRS Open DRS document View SEC filing for DRS 13 Nov 2020 377-03784
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 12 Nov 2020 30 Sep 2020 001-39394
8-K Open 8-K document View SEC filing for 8-K 8-K 12 Nov 2020 12 Nov 2020 001-39394
8-K Open 8-K document View SEC filing for 8-K 8-K 07 Oct 2020 06 Oct 2020 001-39394
S-8 Open S-8 document View SEC filing for S-8 S-8 01 Sep 2020 333-248533
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 31 Aug 2020 30 Jun 2020 001-39394
8-K Open 8-K document View SEC filing for 8-K 8-K 31 Aug 2020 31 Aug 2020 001-39394
3 Open 3 document View SEC filing for 3 OWNERSHIP DOCUMENT 06 Aug 2020 27 Jul 2020
3 Open 3 document View SEC filing for 3 OWNERSHIP DOCUMENT 06 Aug 2020 27 Jul 2020
8-K Open 8-K document View SEC filing for 8-K 8-K 30 Jul 2020 27 Jul 2020 001-39394
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 29 Jul 2020 27 Jul 2020
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 29 Jul 2020 27 Jul 2020
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 29 Jul 2020 27 Jul 2020
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 29 Jul 2020 27 Jul 2020
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 29 Jul 2020 27 Jul 2020
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 29 Jul 2020 27 Jul 2020
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 29 Jul 2020 27 Jul 2020
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 24 Jul 2020 22 Jul 2020
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 24 Jul 2020 22 Jul 2020
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 24 Jul 2020 22 Jul 2020
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 24 Jul 2020 22 Jul 2020
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 24 Jul 2020 22 Jul 2020
424B4 Open 424B4 document View SEC filing for 424B4 424B4 23 Jul 2020 333-239542
EFFECT Open EFFECT document View SEC filing for EFFECT 22 Jul 2020 333-239542
3 Open 3 document View SEC filing for 3 FORM 3 SUBMISSION 22 Jul 2020 22 Jul 2020
3 Open 3 document View SEC filing for 3 FORM 3 SUBMISSION 22 Jul 2020 22 Jul 2020
3 Open 3 document View SEC filing for 3 FORM 3 SUBMISSION 22 Jul 2020 22 Jul 2020
3 Open 3 document View SEC filing for 3 FORM 3 SUBMISSION 22 Jul 2020 22 Jul 2020
3 Open 3 document View SEC filing for 3 FORM 3 SUBMISSION 22 Jul 2020 22 Jul 2020
3 Open 3 document View SEC filing for 3 FORM 3 SUBMISSION 22 Jul 2020 22 Jul 2020
3 Open 3 document View SEC filing for 3 FORM 3 SUBMISSION 22 Jul 2020 22 Jul 2020
3 Open 3 document View SEC filing for 3 FORM 3 SUBMISSION 22 Jul 2020 22 Jul 2020
3 Open 3 document View SEC filing for 3 FORM 3 SUBMISSION 22 Jul 2020 22 Jul 2020
3 Open 3 document View SEC filing for 3 FORM 3 SUBMISSION 22 Jul 2020 22 Jul 2020
3 Open 3 document View SEC filing for 3 FORM 3 SUBMISSION 22 Jul 2020 22 Jul 2020
3 Open 3 document View SEC filing for 3 FORM 3 SUBMISSION 22 Jul 2020 22 Jul 2020
3 Open 3 document View SEC filing for 3 FORM 3 SUBMISSION 22 Jul 2020 22 Jul 2020
CORRESP Open CORRESP document View SEC filing for CORRESP 20 Jul 2020
CORRESP Open CORRESP document View SEC filing for CORRESP 20 Jul 2020
CORRESP Open CORRESP document View SEC filing for CORRESP 20 Jul 2020
CERT Open CERT document View SEC filing for CERT NYSE CERTIFICATION 20 Jul 2020 001-39394
S-1/A Open S-1/A document View SEC filing for S-1/A S-1/A 20 Jul 2020 333-239542
8-A12B Open 8-A12B document View SEC filing for 8-A12B 8-A12B 17 Jul 2020 001-39394
UPLOAD Open UPLOAD document View SEC filing for UPLOAD 14 Jul 2020
S-1/A Open S-1/A document View SEC filing for S-1/A S-1/A 14 Jul 2020 333-239542
CORRESP Open CORRESP document View SEC filing for CORRESP 14 Jul 2020
CORRESP Open CORRESP document View SEC filing for CORRESP 13 Jul 2020
S-1 Open S-1 document View SEC filing for S-1 S-1 29 Jun 2020 333-239542
DRS/A Open DRS/A document View SEC filing for DRS/A 03 Jun 2020 377-02914
DRSLTR Open DRSLTR document View SEC filing for DRSLTR 20 Dec 2019
DRS/A Open DRS/A document View SEC filing for DRS/A 20 Dec 2019 377-02914
UPLOAD Open UPLOAD document View SEC filing for UPLOAD 13 Dec 2019
DRS Open DRS document View SEC filing for DRS 15 Nov 2019 377-02914
D/A Open D/A document View SEC filing for D/A 10 Jun 2015 021-241302
D Open D document View SEC filing for D 08 Jun 2015 021-241302

About this filer

Montrose Environmental Group, Inc. files with the SEC under CIK 0001643615. This page aggregates EDGAR filings and related ownership activity.

Industry: Services Management Consulting Services.

See insider transactions for this issuer.

FAQ

What is a CIK?
A Central Index Key (CIK) is a unique identifier assigned by the SEC to each filer.
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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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