| Filed | Form | Filer | Stake | Shares | |
|---|---|---|---|---|---|
| 2026-07-20 | SCHEDULE 13D/A | GAMCO INVESTORS, INC. ET AL | — | 0 | view → |
| 2021-01-05 | SC | GAMCO INVESTORS, INC. ET AL | — | — | view → |
| 2019-04-04 | SC | GAMCO INVESTORS, INC. ET AL | — | — | view → |
| Filed | Form | Issuer | Stake | Shares | |
|---|---|---|---|---|---|
| 2024-01-08 | SC | M-tron Industries, Inc. MPTI | — | — | view → |
| 2023-12-05 | SC | M-tron Industries, Inc. MPTI | — | — | view → |
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