MANCHESTER MANAGEMENT CO LLC SEC EDGAR Filings (CIK 0001169253)

SEC EDGAR filings, ownership reports, and insider transactions for MANCHESTER MANAGEMENT CO LLC.

Business address
3 West Hill Place, Boston, MA, 02110
Top holdings (ownership)
MODD and SNWV
Top holdings (Schedule 13D)
SNWV and MODD
Top holdings (Schedule 13G)
EPRX and NMTC
State of incorporation
DE
Fiscal year end
31 December
⭐ Add to watchlist ⭐
Get insider transactions for this reporting owner
MANCHESTER MANAGEMENT CO LLC has filed 143 SEC EDGAR filings since 15 Mar 2002

Latest Filings

Recent SEC filings for MANCHESTER MANAGEMENT CO LLC including SCHEDULE 13D/A, 4, 4/A and more.

Form type Document Filing Description Filing date Reporting date File number(s)
SCHEDULE 13D/A Open SCHEDULE 13D/A document View SEC filing for SCHEDULE 13D/A 15 Dec 2025
4 Open 4 document View SEC filing for 4 15 Dec 2025 11 Dec 2025 001-42552
4/A Open 4/A document View SEC filing for 4/A 11 Dec 2025 08 Dec 2025 001-42552
SCHEDULE 13D/A Open SCHEDULE 13D/A document View SEC filing for SCHEDULE 13D/A 10 Dec 2025
4 Open 4 document View SEC filing for 4 10 Dec 2025 08 Dec 2025 001-42552
SCHEDULE 13G Open SCHEDULE 13G document View SEC filing for SCHEDULE 13G 13 Nov 2025
4 Open 4 document View SEC filing for 4 28 Apr 2025 24 Apr 2025 001-41277
SCHEDULE 13D/A Open SCHEDULE 13D/A document View SEC filing for SCHEDULE 13D/A 07 Apr 2025
SCHEDULE 13D/A Open SCHEDULE 13D/A document View SEC filing for SCHEDULE 13D/A 24 Mar 2025
4 Open 4 document View SEC filing for 4 24 Mar 2025 20 Mar 2025 001-41277
SCHEDULE 13G/A Open SCHEDULE 13G/A document View SEC filing for SCHEDULE 13G/A 14 Feb 2025
4 Open 4 document View SEC filing for 4 04 Dec 2024 03 Dec 2024 001-41277
4 Open 4 document View SEC filing for 4 29 Nov 2024 27 Nov 2024 001-41277
4 Open 4 document View SEC filing for 4 25 Nov 2024 21 Nov 2024 001-41277
4/A Open 4/A document View SEC filing for 4/A 25 Nov 2024 16 Feb 2024 001-41277
SC 13D/A Open SC 13D/A document View SEC filing for SC 13D/A 25 Nov 2024
4 Open 4 document View SEC filing for 4 23 Oct 2024 18 Oct 2024 000-52985
4 Open 4 document View SEC filing for 4 23 Oct 2024 18 Oct 2024 000-52985
4 Open 4 document View SEC filing for 4 23 Oct 2024 18 Oct 2024 000-52985
SC 13D/A Open SC 13D/A document View SEC filing for SC 13D/A 22 Oct 2024
SC 13D/A Open SC 13D/A document View SEC filing for SC 13D/A 24 Jun 2024
4 Open 4 document View SEC filing for 4 13 May 2024 09 May 2023 000-52985
SC 13D/A Open SC 13D/A document View SEC filing for SC 13D/A 21 Feb 2024
4 Open 4 document View SEC filing for 4 21 Feb 2024 16 Feb 2024 001-41277
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A 09 Feb 2024
4/A Open 4/A document View SEC filing for 4/A 12 Jan 2024 30 Dec 2023 000-52985
SC 13D/A Open SC 13D/A document View SEC filing for SC 13D/A 12 Jan 2024
SC 13D/A Open SC 13D/A document View SEC filing for SC 13D/A 04 Jan 2024
4 Open 4 document View SEC filing for 4 03 Jan 2024 30 Dec 2023 000-52985
SC 13D/A Open SC 13D/A document View SEC filing for SC 13D/A 22 Nov 2023
4 Open 4 document View SEC filing for 4 21 Nov 2023 17 Nov 2023 000-52985
4 Open 4 document View SEC filing for 4 18 Oct 2023 16 Oct 2023 001-41277
SC 13D/A Open SC 13D/A document View SEC filing for SC 13D/A 23 Aug 2023
SC 13D/A Open SC 13D/A document View SEC filing for SC 13D/A 10 Aug 2023
4 Open 4 document View SEC filing for 4 09 Aug 2023 07 Aug 2023 000-52985
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A 02 Aug 2023
SC 13D/A Open SC 13D/A document View SEC filing for SC 13D/A 27 Jul 2023
4 Open 4 document View SEC filing for 4 27 Jul 2023 24 Jul 2023 000-52985
SC 13D/A Open SC 13D/A document View SEC filing for SC 13D/A 03 Jul 2023
SC 13D/A Open SC 13D/A document View SEC filing for SC 13D/A 16 May 2023
4 Open 4 document View SEC filing for 4 16 May 2023 09 May 2023 000-52985
4/A Open 4/A document View SEC filing for 4/A 16 May 2023 14 Nov 2022 000-52985
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A 10 Feb 2023
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A 10 Feb 2023
SC 13D/A Open SC 13D/A document View SEC filing for SC 13D/A 13 Jan 2023
4 Open 4 document View SEC filing for 4 12 Jan 2023 14 Nov 2022 000-52985
SC 13D Open SC 13D document View SEC filing for SC 13D 11 Aug 2022
3 Open 3 document View SEC filing for 3 10 Aug 2022 06 Jun 2022 000-52985
3 Open 3 document View SEC filing for 3 04 Aug 2022 15 Jun 2022 000-56216
SC 13D Open SC 13D document View SEC filing for SC 13D 04 Aug 2022
SC 13G Open SC 13G document View SEC filing for SC 13G 08 Mar 2022
SC 13D/A Open SC 13D/A document View SEC filing for SC 13D/A 28 Feb 2022
SC 13D/A Open SC 13D/A document View SEC filing for SC 13D/A 18 Feb 2022
4 Open 4 document View SEC filing for 4 17 Feb 2022 15 Feb 2022 001-41277
4 Open 4 document View SEC filing for 4 14 Feb 2022 10 Feb 2022 001-41277
SC 13D/A Open SC 13D/A document View SEC filing for SC 13D/A 14 Feb 2022
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A 10 Feb 2022
SC 13G Open SC 13G document View SEC filing for SC 13G 10 Feb 2022
4 Open 4 document View SEC filing for 4 29 Oct 2021 30 Jun 2020 000-49671
4/A Open 4/A document View SEC filing for 4/A 29 Oct 2021 20 Nov 2018 000-49671
SC 13G Open SC 13G document View SEC filing for SC 13G 24 Sep 2021
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A 10 Aug 2021
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A 08 Apr 2021
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A 16 Feb 2021
SC 13G Open SC 13G document View SEC filing for SC 13G 16 Feb 2021
3 Open 3 document View SEC filing for 3 21 Jan 2021 15 Jan 2021 000-54716
SC 13G Open SC 13G document View SEC filing for SC 13G 21 Jan 2021
SC 13G Open SC 13G document View SEC filing for SC 13G 13 Oct 2020
SC 13D/A Open SC 13D/A document View SEC filing for SC 13D/A 05 Oct 2020
SC 13G Open SC 13G document View SEC filing for SC 13G 28 Aug 2020
4 Open 4 document View SEC filing for 4 05 Aug 2020 03 Aug 2020 001-37649
SC 13D/A Open SC 13D/A document View SEC filing for SC 13D/A 05 Aug 2020
SC 13D/A Open SC 13D/A document View SEC filing for SC 13D/A 13 Jul 2020
SC 13G Open SC 13G document View SEC filing for SC 13G 05 Feb 2020
4 Open 4 document View SEC filing for 4 03 Oct 2019 30 Sep 2019 000-28745
4 Open 4 document View SEC filing for 4 27 Sep 2019 25 Sep 2019 000-28745
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A 14 Feb 2019
4 Open 4 document View SEC filing for 4 03 Jan 2019 31 Dec 2018 000-28745
4 Open 4 document View SEC filing for 4 20 Nov 2018 20 Nov 2018 000-49671
SC 13D/A Open SC 13D/A document View SEC filing for SC 13D/A 20 Nov 2018
4 Open 4 document View SEC filing for 4 01 Nov 2018 31 Oct 2018 000-28745
4 Open 4 document View SEC filing for 4 30 Oct 2018 29 Oct 2018 000-28745
3 Open 3 document View SEC filing for 3 30 Jul 2018 24 Jul 2018 000-28745
4 Open 4 document View SEC filing for 4 OWNERSHIP DOCUMENT 29 Mar 2018 27 Jan 2016 001-32295
4 Open 4 document View SEC filing for 4 OWNERSHIP DOCUMENT 29 Mar 2018 27 Jan 2016 001-32295
4 Open 4 document View SEC filing for 4 OWNERSHIP DOCUMENT 29 Mar 2018 27 Jan 2016 001-32295
4 Open 4 document View SEC filing for 4 OWNERSHIP DOCUMENT 29 Mar 2018 27 Jan 2016 001-32295
4 Open 4 document View SEC filing for 4 OWNERSHIP DOCUMENT 29 Mar 2018 29 Aug 2014 001-32295
4 Open 4 document View SEC filing for 4 OWNERSHIP DOCUMENT 29 Mar 2018 29 Aug 2014 001-32295
4 Open 4 document View SEC filing for 4 OWNERSHIP DOCUMENT 29 Mar 2018 29 Aug 2014 001-32295
4 Open 4 document View SEC filing for 4 OWNERSHIP DOCUMENT 29 Mar 2018 29 Aug 2014 001-32295
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A 14 Feb 2018
SC 13G Open SC 13G document View SEC filing for SC 13G 23 Aug 2017
4 Open 4 document View SEC filing for 4 OWNERSHIP DOCUMENT 01 Aug 2017 24 Jul 2017 000-49671
3 Open 3 document View SEC filing for 3 OWNERSHIP DOCUMENT 05 May 2017 26 Apr 2017 000-49671
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A 08 Feb 2017
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A 16 Feb 2016
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A 16 Feb 2016
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A 16 Feb 2016
SC 13D Open SC 13D document View SEC filing for SC 13D 29 Sep 2015
3 Open 3 document View SEC filing for 3 OWNERSHIP DOCUMENT 29 Sep 2015 25 Sep 2015 000-53722
SC 13G Open SC 13G document View SEC filing for SC 13G 22 Jan 2015
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A 22 Jan 2015
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A 22 Jan 2015
SC 13G Open SC 13G document View SEC filing for SC 13G 22 Jan 2015
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A 14 Feb 2014
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A 14 Feb 2014
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A 14 Feb 2014
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A 14 Feb 2014
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A 14 Feb 2014
3 Open 3 document View SEC filing for 3 OWNERSHIP DOCUMENT 27 Nov 2013 22 Nov 2013 001-32295
SC 13D Open SC 13D document View SEC filing for SC 13D 26 Nov 2013
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A 08 Feb 2013
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A 08 Feb 2013
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A 08 Feb 2013
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A 08 Feb 2013
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A 08 Feb 2013
SC 13G Open SC 13G document View SEC filing for SC 13G 04 Dec 2012
3 Open 3 document View SEC filing for 3 PRIMARY DOCUMENT 26 Oct 2012 19 Oct 2012 001-32521
SC 13G Open SC 13G document View SEC filing for SC 13G 04 Jun 2012
SC 13G Open SC 13G document View SEC filing for SC 13G 04 Jun 2012
SC 13G Open SC 13G document View SEC filing for SC 13G 16 Feb 2012
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A 13 Feb 2012
SC 13G Open SC 13G document View SEC filing for SC 13G 21 Nov 2011
SC 13D/A Open SC 13D/A document View SEC filing for SC 13D/A 10 Nov 2011
SC 13D/A Open SC 13D/A document View SEC filing for SC 13D/A 06 Jun 2011
SC 13D/A Open SC 13D/A document View SEC filing for SC 13D/A 27 May 2011
SC 13D/A Open SC 13D/A document View SEC filing for SC 13D/A 20 May 2011
SC 13D/A Open SC 13D/A document View SEC filing for SC 13D/A 19 May 2011
SC 13D/A Open SC 13D/A document View SEC filing for SC 13D/A 13 May 2011
SC 13D/A Open SC 13D/A document View SEC filing for SC 13D/A 29 Apr 2011
SC 13D/A Open SC 13D/A document View SEC filing for SC 13D/A 21 Apr 2011
SC 13D Open SC 13D document View SEC filing for SC 13D 18 Apr 2011
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A SCHEDULE 13G-A(3) 11 Feb 2010

About this filer

MANCHESTER MANAGEMENT CO LLC files with the SEC under CIK 0001169253. This page aggregates EDGAR filings and related ownership activity.

See reporting owner transactions.

FAQ

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.
How often is this page updated?
Updates follow new EDGAR submissions and periodic data refreshes.

Related pages