| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| SCHEDULE 13G | Open Document | Open Filing | 03 Dec 2025 | |||
| SCHEDULE 13G | Open Document | Open Filing | 20 Nov 2025 | |||
| 13F-HR | Open Document | Open Filing | 12 Nov 2025 | 30 Sep 2025 | 028-14665 | |
| SCHEDULE 13G/A | Open Document | Open Filing | 12 Nov 2025 | |||
| N-PX | Open Document | Open Filing | 18 Aug 2025 | 30 Jun 2025 | 028-14665 | |
| 13F-HR | Open Document | Open Filing | 13 Aug 2025 | 30 Jun 2025 | 028-14665 | |
| SCHEDULE 13G/A | Open Document | Open Filing | 06 Jun 2025 | |||
| 13F-HR/A | Open Document | Open Filing | 09 May 2025 | 31 Mar 2025 | 028-14665 | |
| 13F-HR | Open Document | Open Filing | 08 May 2025 | 31 Mar 2025 | 028-14665 | |
| SCHEDULE 13G | Open Document | Open Filing | 11 Apr 2025 | |||
| SCHEDULE 13G/A | Open Document | Open Filing | 05 Feb 2025 | |||
| 13F-HR | Open Document | Open Filing | 04 Feb 2025 | 31 Dec 2024 | 028-14665 | |
| 13F-HR | Open Document | Open Filing | 08 Nov 2024 | 30 Sep 2024 | 028-14665 | |
| SC 13G/A | Open Document | Open Filing | MINERVA 13GA4 KEWAUNEE | 01 Nov 2024 | ||
| SC 13G | Open Document | Open Filing | MINERVA 13G DLH HOLDINGS | 17 Oct 2024 | ||
| N-PX | Open Document | Open Filing | 26 Aug 2024 | 30 Jun 2024 | 028-14665 | |
| 13F-HR | Open Document | Open Filing | 12 Aug 2024 | 30 Jun 2024 | 028-14665 | |
| 13F-HR | Open Document | Open Filing | 14 May 2024 | 31 Mar 2024 | 028-14665 | |
| SC 13G/A | Open Document | Open Filing | MINERVA 13GA12 VIRCO | 09 Feb 2024 | ||
| SC 13G/A | Open Document | Open Filing | MINERVA 13GA6 PATHFINDER | 09 Feb 2024 | ||
| SC 13G/A | Open Document | Open Filing | MINERVA 13GA5 UNIVERSAL STAINLESS | 09 Feb 2024 | ||
| SC 13G/A | Open Document | Open Filing | MINERVA 13GA5 INRAD | 09 Feb 2024 | ||
| SC 13G/A | Open Document | Open Filing | MINERVA 13GA3 SIFCO | 09 Feb 2024 | ||
| SC 13G/A | Open Document | Open Filing | MINERVA 13GA3 KEWAUNEE | 09 Feb 2024 | ||
| SC 13G/A | Open Document | Open Filing | MINERVA 13GA4 NUVERA | 09 Feb 2024 | ||
| SC 13G/A | Open Document | Open Filing | MINERVA 13GA8 EASTERN CO | 09 Feb 2024 | ||
| 13F-HR | Open Document | Open Filing | 09 Feb 2024 | 31 Dec 2023 | 028-14665 | |
| 13F-HR/A | Open Document | Open Filing | 31 Jan 2024 | 30 Sep 2023 | 028-14665 | |
| 13F-HR/A | Open Document | Open Filing | 31 Jan 2024 | 30 Jun 2023 | 028-14665 | |
| 13F-HR/A | Open Document | Open Filing | 31 Jan 2024 | 31 Mar 2023 | 028-14665 | |
| 13F-HR/A | Open Document | Open Filing | 31 Jan 2024 | 31 Dec 2022 | 028-14665 | |
| SCHEDULE 13G | Open Document | Open Filing | 09 Jan 2024 | |||
| 13F-HR/A | Open Document | Open Filing | 16 Nov 2023 | 30 Sep 2023 | 028-14665 | |
| 13F-HR | Open Document | Open Filing | 13 Nov 2023 | 30 Sep 2023 | 028-14665 | |
| 13F-HR | Open Document | Open Filing | 10 Aug 2023 | 30 Jun 2023 | 028-14665 | |
| 13F-HR | Open Document | Open Filing | 15 May 2023 | 31 Mar 2023 | 028-14665 | |
| SC 13G/A | Open Document | Open Filing | WILLIAMS 13G-A3 | 14 Feb 2023 | ||
| SC 13G/A | Open Document | Open Filing | VIRCO 13GA11 | 14 Feb 2023 | ||
| SC 13G/A | Open Document | Open Filing | UNIVERSAL STAINLESS 13GA4 | 14 Feb 2023 | ||
| SC 13G/A | Open Document | Open Filing | EASTERN CO 13GA7 | 14 Feb 2023 | ||
| SC 13G/A | Open Document | Open Filing | COMPUTER TASK 13G-A7 MINERVA | 14 Feb 2023 | ||
| SC 13G/A | Open Document | Open Filing | PATHFINDER 13GA5 MINERVA | 14 Feb 2023 | ||
| SC 13G/A | Open Document | Open Filing | INRAD 13GA4 MINERVA | 14 Feb 2023 | ||
| SC 13G/A | Open Document | Open Filing | NUVERA 13GA3 MINERVA | 14 Feb 2023 | ||
| SC 13G/A | Open Document | Open Filing | KEWAUNEE 13GA2 MINERVA | 14 Feb 2023 | ||
| 13F-HR | Open Document | Open Filing | 13 Feb 2023 | 31 Dec 2022 | 028-14665 | |
| 13F-HR | Open Document | Open Filing | 10 Nov 2022 | 30 Sep 2022 | 028-14665 | |
| 13F-HR | Open Document | Open Filing | 12 Aug 2022 | 30 Jun 2022 | 028-14665 | |
| 13F-HR | Open Document | Open Filing | 12 May 2022 | 31 Mar 2022 | 028-14665 | |
| SC 13G/A | Open Document | Open Filing | MINERVA 13GA2 WILLIAMS | 14 Feb 2022 | ||
| SC 13G/A | Open Document | Open Filing | MINERVA 13GA10 VIRCO | 14 Feb 2022 | ||
| SC 13G/A | Open Document | Open Filing | MINERVA 13GA3 UNIVERSAL STAINLESS | 14 Feb 2022 | ||
| SC 13G/A | Open Document | Open Filing | MINERVA 13GA2 SIFCO | 14 Feb 2022 | ||
| SC 13G/A | Open Document | Open Filing | MINERVA 13GA3 PATRIOT TRANPORTATION | 14 Feb 2022 | ||
| SC 13G/A | Open Document | Open Filing | MINERVA 13GA4 PATHFINDER | 14 Feb 2022 | ||
| SC 13G/A | Open Document | Open Filing | MINERVA 13GA2 NUVERA | 14 Feb 2022 | ||
| SC 13G/A | Open Document | Open Filing | MINERVA 13GA1 KEWAUNEE | 14 Feb 2022 | ||
| SC 13G/A | Open Document | Open Filing | MINERVA 13GA6 EASTERN CO | 14 Feb 2022 | ||
| SC 13G/A | Open Document | Open Filing | MINERVA 13GA6 COMPUTER TASK GROUP | 14 Feb 2022 | ||
| 13F-HR | Open Document | Open Filing | 14 Feb 2022 | 31 Dec 2021 | 028-14665 | |
| 13F-HR | Open Document | Open Filing | 12 Nov 2021 | 30 Sep 2021 | 028-14665 | |
| 13F-HR | Open Document | Open Filing | 11 Aug 2021 | 30 Jun 2021 | 028-14665 | |
| SC 13G | Open Document | Open Filing | MINERVA 13G KEWAUNEE | 09 Jun 2021 | ||
| 13F-HR | Open Document | Open Filing | 12 May 2021 | 31 Mar 2021 | 028-14665 | |
| 13F-HR | Open Document | Open Filing | 16 Feb 2021 | 31 Dec 2020 | 028-14665 | |
| SC 13G/A | Open Document | Open Filing | WILLIAMS 13G A1 MINERVA | 09 Feb 2021 | ||
| SC 13G/A | Open Document | Open Filing | VIRCO 13G-A9 MINERVA | 09 Feb 2021 | ||
| SC 13G/A | Open Document | Open Filing | UNIVERSAL STAINLESS 13G-A2 MINERVA | 09 Feb 2021 | ||
| SC 13G/A | Open Document | Open Filing | SIFCO 13G A1 MINERVA | 09 Feb 2021 | ||
| SC 13G/A | Open Document | Open Filing | PATRIOT TRANSPORTATION 13G A2 MINERVA | 09 Feb 2021 | ||
| SC 13G/A | Open Document | Open Filing | PATHFINDER 13G A3 MINERVA | 09 Feb 2021 | ||
| SC 13G/A | Open Document | Open Filing | NUVERA 13G A1 MINERVA | 09 Feb 2021 | ||
| SC 13G/A | Open Document | Open Filing | INRAD 13GA3 MINERVA | 09 Feb 2021 | ||
| SC 13G/A | Open Document | Open Filing | EASTERN CO 13G A5 MINERVA | 09 Feb 2021 | ||
| SC 13G/A | Open Document | Open Filing | COMPUTER TASK 13GA5 MINERVA | 09 Feb 2021 | ||
| SC 13G/A | Open Document | Open Filing | INFUSYSTEM 13G-A3 MINERVA | 05 Feb 2021 | ||
| SC 13G | Open Document | Open Filing | MINERVA - 13G NUVERA | 01 Dec 2020 | ||
| 13F-HR | Open Document | Open Filing | 12 Nov 2020 | 30 Sep 2020 | 028-14665 | |
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | 26 Oct 2020 | 06 Oct 2020 | 001-08443 |
| 13F-HR | Open Document | Open Filing | 12 Aug 2020 | 30 Jun 2020 | 028-14665 | |
| SC 13G | Open Document | Open Filing | MINERVA - SIFCO 13G | 18 May 2020 | ||
| 13F-HR | Open Document | Open Filing | 14 May 2020 | 31 Mar 2020 | 028-14665 | |
| SC 13D/A | Open Document | Open Filing | MINERVA - AH BELO 13DA1 | 28 Apr 2020 | ||
| SC 13G | Open Document | Open Filing | MINERVA - WILLIAMS 13G | 01 Apr 2020 | ||
| 13F-HR | Open Document | Open Filing | 14 Feb 2020 | 31 Dec 2019 | 028-14665 | |
| SC 13G/A | Open Document | Open Filing | VIRCO MFG CORP 13GA8 | 14 Feb 2020 | ||
| SC 13G/A | Open Document | Open Filing | UNIVERSAL STAINLESS 13GA1 | 13 Feb 2020 | ||
| SC 13G/A | Open Document | Open Filing | TRANSCAT 13GA4 | 13 Feb 2020 | ||
| SC 13G/A | Open Document | Open Filing | TELOS 13GA5 | 13 Feb 2020 | ||
| SC 13G/A | Open Document | Open Filing | PATRIOT TRANSPORTATION 13GA1 | 13 Feb 2020 | ||
| SC 13G/A | Open Document | Open Filing | PATHFINDER 13GA2 | 13 Feb 2020 | ||
| SC 13G/A | Open Document | Open Filing | INRAD OPTICS 13GA2 | 13 Feb 2020 | ||
| SC 13G/A | Open Document | Open Filing | INFUSYSTEM 13GA2 | 13 Feb 2020 | ||
| SC 13G/A | Open Document | Open Filing | FORBES ENERGY 13GA2 | 13 Feb 2020 | ||
| SC 13G/A | Open Document | Open Filing | EASTERN CO 13GA4 | 13 Feb 2020 | ||
| SC 13G/A | Open Document | Open Filing | COMPUTER TASK GROUP | 13 Feb 2020 | ||
| 13F-HR | Open Document | Open Filing | 14 Nov 2019 | 30 Sep 2019 | 028-14665 | |
| SC 13G | Open Document | Open Filing | MINERVA - UNIVERSAL STAINLESS 13G | 16 Sep 2019 | ||
| 13F-HR | Open Document | Open Filing | 01 Aug 2019 | 30 Jun 2019 | 028-14665 | |
| 13F-HR | Open Document | Open Filing | 15 May 2019 | 31 Mar 2019 | 028-14665 | |
| SC 13D | Open Document | Open Filing | MINERVA - AH BELO CORP 13D | 24 Apr 2019 | ||
| SC 13G | Open Document | Open Filing | MINERVA - ECOLOGY 13G | 04 Apr 2019 | ||
| SC 13G | Open Document | Open Filing | MINERVA - PATRIOT TRANSPORTATION 13G | 14 Feb 2019 | ||
| 13F-HR | Open Document | Open Filing | 06 Feb 2019 | 31 Dec 2018 | 028-14665 | |
| SC 13G/A | Open Document | Open Filing | MINERVA - AH BELO 13G A1 | 31 Jan 2019 | ||
| SC 13G/A | Open Document | Open Filing | MINERVA - COMPUTER TASK GROUP 13G A3 | 31 Jan 2019 | ||
| SC 13G/A | Open Document | Open Filing | MINERVA - FORBES ENERGY 13G A1 | 31 Jan 2019 | ||
| SC 13G/A | Open Document | Open Filing | MINERVA - PATHFINDER BANCORP 13G A1 | 31 Jan 2019 | ||
| SC 13G/A | Open Document | Open Filing | MINERVA - VIRCO 13G A7 | 31 Jan 2019 | ||
| SC 13G/A | Open Document | Open Filing | MINERVA - TRANSCAT 13GA3 | 31 Jan 2019 | ||
| SC 13G | Open Document | Open Filing | MINERVA - A H BELO 13G | 31 Dec 2018 | ||
| 13F-HR | Open Document | Open Filing | 13 Nov 2018 | 30 Sep 2018 | 028-14665 | |
| SC 13G | Open Document | Open Filing | MINERVA - FORBES ENERGY 13G | 08 Nov 2018 | ||
| SC 13G | Open Document | Open Filing | MINERVA - FORBES ENERGY 13G | 08 Nov 2018 | ||
| SC 13G | Open Document | Open Filing | MINERVA - PATHFINDER BANCORP 13G | 05 Nov 2018 | ||
| SC 13G/A | Open Document | Open Filing | INFUSYSTEM 13GA1 | 21 Aug 2018 | ||
| 13F-HR | Open Document | Open Filing | 01 Aug 2018 | 30 Jun 2018 | 028-14665 | |
| SC 13G/A | Open Document | Open Filing | MINERVA UNIV STAINLESS 13GA3 | 30 Jul 2018 | ||
| 13F-HR | Open Document | Open Filing | 10 May 2018 | 31 Mar 2018 | 028-14665 | |
| SC 13G/A | Open Document | Open Filing | UNIVERSAL STAINLESS 13G A2 MINERVA | 13 Feb 2018 | ||
| SC 13G/A | Open Document | Open Filing | EASTERN CO 13G A3 MINERVA | 13 Feb 2018 | ||
| SC 13G/A | Open Document | Open Filing | VIRCO 13G A6 MINERVA | 13 Feb 2018 | ||
| SC 13G/A | Open Document | Open Filing | COMPUTER TASK 13G A2 MINERVA | 13 Feb 2018 | ||
| 13F-HR/A | Open Document | Open Filing | 02 Feb 2018 | 31 Dec 2017 | 028-14665 | |
| 13F-HR | Open Document | Open Filing | 01 Feb 2018 | 31 Dec 2017 | 028-14665 | |
| SC 13G/A | Open Document | Open Filing | MINERVA - RAND LOGISTICS 13G A3 | 17 Nov 2017 | ||
| 13F-HR | Open Document | Open Filing | 14 Nov 2017 | 30 Sep 2017 | 028-14665 | |
| 13F-HR | Open Document | Open Filing | 31 Jul 2017 | 30 Jun 2017 | 028-14665 | |
| 13F-HR | Open Document | Open Filing | 11 May 2017 | 31 Mar 2017 | 028-14665 | |
| 13F-HR | Open Document | Open Filing | 09 Feb 2017 | 31 Dec 2016 | 028-14665 | |
| SC 13G/A | Open Document | Open Filing | RAND LOGISTICS 13G A2 | 08 Feb 2017 | ||
| SC 13G/A | Open Document | Open Filing | COMPUTER TASK GROUP 13G A1 | 08 Feb 2017 | ||
| SC 13G/A | Open Document | Open Filing | TELOS 13G A4 | 08 Feb 2017 | ||
| SC 13G/A | Open Document | Open Filing | UNIVERSAL STAINLESS 13GA1 | 08 Feb 2017 | ||
| SC 13G/A | Open Document | Open Filing | EASTERN CO 13G A2 | 08 Feb 2017 | ||
| SC 13G/A | Open Document | Open Filing | VIRCO 13G AM 5 | 08 Feb 2017 | ||
| 13F-HR | Open Document | Open Filing | 14 Nov 2016 | 30 Sep 2016 | 028-14665 | |
| 13F-HR | Open Document | Open Filing | 28 Jul 2016 | 30 Jun 2016 | 028-14665 | |
| 13F-HR | Open Document | Open Filing | 13 May 2016 | 31 Mar 2016 | 028-14665 | |
| SC 13G | Open Document | Open Filing | COMPUTER TASK GROUP 13G | 08 Mar 2016 | ||
| 13F-HR | Open Document | Open Filing | 11 Feb 2016 | 31 Dec 2015 | 028-14665 | |
| SC 13G/A | Open Document | Open Filing | INRAD 13G A1 | 05 Feb 2016 | ||
| SC 13G/A | Open Document | Open Filing | VIRGO 13G A4 | 05 Feb 2016 | ||
| SC 13G/A | Open Document | Open Filing | RAND LOGISTICS 13G A1 | 05 Feb 2016 | ||
| SC 13G/A | Open Document | Open Filing | EASTERN CO 13G A1 | 05 Feb 2016 | ||
| SC 13G/A | Open Document | Open Filing | TELOS 13G A3 | 05 Feb 2016 | ||
| SC 13G/A | Open Document | Open Filing | ONVIA 13G AMENDMENT 1 | 05 Feb 2016 | ||
| SC 13G | Open Document | Open Filing | UNIVERSAL STAINLESS 13G | 05 Feb 2016 | ||
| 13F-HR | Open Document | Open Filing | 12 Nov 2015 | 30 Sep 2015 | 028-14665 | |
| 13F-HR | Open Document | Open Filing | 30 Jul 2015 | 30 Jun 2015 | 028-14665 | |
| 13F-HR | Open Document | Open Filing | 15 May 2015 | 31 Mar 2015 | 028-14665 | |
| 13F-HR | Open Document | Open Filing | 09 Feb 2015 | 31 Dec 2014 | 028-14665 | |
| SC 13G/A | Open Document | Open Filing | APCO OIL AND GAS 13G A1 | 26 Jan 2015 | ||
| SC 13G/A | Open Document | Open Filing | VIRCO MFG. CORPORATION 13G A3 | 26 Jan 2015 | ||
| SC 13G | Open Document | Open Filing | RAND LOGISTICS, INC. 13G | 22 Jan 2015 | ||
| SC 13D | Open Document | Open Filing | THE EASTERN COMPANY 13D | 16 Jan 2015 | ||
| 13F-HR | Open Document | Open Filing | 30 Oct 2014 | 30 Sep 2014 | 028-14665 | |
| SC 13G | Open Document | Open Filing | INRAD OPTICS, INC. 13G | 25 Aug 2014 | ||
| SC 13G | Open Document | Open Filing | APCO OIL AND GAS INTERNATIONAL INC. FORM 13G | 12 Aug 2014 | ||
| 13F-HR | Open Document | Open Filing | 25 Jul 2014 | 30 Jun 2014 | 028-14665 | |
| SC 13G | Open Document | Open Filing | THE EASTERN COMPANY 13G | 30 Jun 2014 | ||
| 13F-HR | Open Document | Open Filing | 12 May 2014 | 31 Mar 2014 | 028-14665 | |
| 13F-HR | Open Document | Open Filing | 10 Feb 2014 | 31 Dec 2013 | 028-14665 | |
| SC 13G/A | Open Document | Open Filing | VIRCO MFG. CORPORATION 13G A2 | 07 Feb 2014 | ||
| SC 13G | Open Document | Open Filing | ONVIA, INC. 13G | 07 Feb 2014 | ||
| SC 13G/A | Open Document | Open Filing | TRANSCAT, INC. 13G A2 | 07 Feb 2014 | ||
| SC 13G/A | Open Document | Open Filing | TELOS CORPORATION 13G A2 | 07 Feb 2014 |