| Filed | Form | Filer | Stake | Shares | |
|---|---|---|---|---|---|
| 2026-07-30 | SCHEDULE 13D/A | Edenbrook Capital, LLC | 11.33% | 1,221,636 | view → |
| 2021-09-28 | SC | Edenbrook Capital, LLC | — | — | view → |
| 2020-04-06 | SC | Edenbrook Capital, LLC | — | — | view → |
| 2019-12-17 | SC | Edenbrook Capital, LLC | — | — | view → |
| 2018-05-11 | SC | Privet Fund LP | — | — | view → |
| 2018-04-09 | SC | Edenbrook Capital, LLC | — | — | view → |
| 2018-03-12 | SC | Privet Fund LP | — | — | view → |
| Filed | Form | Issuer | Stake | Shares | |
|---|---|---|---|---|---|
| 2021-01-15 | SC | UNIVERSAL STAINLESS & ALLOY PRODUCTS INC | — | — | view → |
| 2020-12-16 | SC | UNIVERSAL STAINLESS & ALLOY PRODUCTS INC | — | — | view → |
| 2020-11-13 | SC | UNIVERSAL STAINLESS & ALLOY PRODUCTS INC | — | — | view → |
| 2020-07-01 | SC | SYNALLOY CORP ACNT | — | — | view → |
| 2020-07-01 | SC | SYNALLOY CORP ACNT | — | — | view → |
| 2020-03-18 | SC | SYNALLOY CORP ACNT | — | — | view → |
| 2020-03-05 | SC | SYNALLOY CORP ACNT | — | — | view → |
| 2020-01-30 | SC | AMTECH SYSTEMS INC ASYS | — | — | view → |
| 2019-12-06 | SC | POTBELLY CORP | — | — | view → |
| 2019-08-20 | SC | SYNALLOY CORP ACNT | — | — | view → |
| 2019-07-22 | SC | UNIVERSAL STAINLESS & ALLOY PRODUCTS INC | — | — | view → |
| 2018-05-11 | SC | FREQUENCY ELECTRONICS INC FEIM | — | — | view → |
| 2018-04-25 | SC | HARDINGE INC | — | — | view → |
| 2018-03-21 | SC | POTBELLY CORP | — | — | view → |
| 2018-03-12 | SC | FREQUENCY ELECTRONICS INC FEIM | — | — | view → |
| 2018-02-16 | SC | HARDINGE INC | — | — | view → |
| 2018-02-07 | SC | POTBELLY CORP | — | — | view → |
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