| SC 13D | 2024-04-08 | Albion River Management LLC | DUCOMMUN INC /DE/ | 1,321,216 | 9.0% | EDGAR |
| SC 13G | 2024-02-13 | VANGUARD GROUP INC | DUCOMMUN INC /DE/ | 740,010 | 5.1% | EDGAR |
| SC 13G/A | 2024-02-12 | PARADIGM CAPITAL MANAGEMENT INC/NY | DUCOMMUN INC /DE/ | 1,421,500 | 9.7% | EDGAR |
| SC 13G/A | 2024-02-09 | DIMENSIONAL FUND ADVISORS LP | DUCOMMUN INC /DE/ | 1,016,433 | 7.0% | EDGAR |
| SC 13G | 2024-01-30 | Albion River Management LLC | DUCOMMUN INC /DE/ | 775,269 | 5.3% | EDGAR |
| SC 13G/A | 2024-01-08 | BlackRock Inc. | DUCOMMUN INC /DE/ | 1,557,012 | 10.7% | EDGAR |
| SC 13G/A | 2023-02-22 | BlackRock Inc. | DUCOMMUN INC /DE/ | 896,215 | 7.4% | EDGAR |
| SC 13G/A | 2023-02-13 | PARADIGM CAPITAL MANAGEMENT INC/NY | DUCOMMUN INC /DE/ | 710,615 | 5.9% | EDGAR |
| SC 13G/A | 2023-02-10 | DIMENSIONAL FUND ADVISORS LP | DUCOMMUN INC /DE/ | 935,575 | 7.7% | EDGAR |
| SC 13G/A | 2023-02-09 | WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC | DUCOMMUN INC /DE/ | 554,348 | 4.6% | EDGAR |
| SC 13G/A | 2022-02-14 | RBC Global Asset Management Inc. | DUCOMMUN INC /DE/ | 446,989 | 3.8% | EDGAR |
| SC 13G/A | 2022-02-10 | WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC | DUCOMMUN INC /DE/ | 902,219 | 7.6% | EDGAR |
| SC 13G/A | 2022-02-08 | DIMENSIONAL FUND ADVISORS LP | DUCOMMUN INC /DE/ | 897,608 | 7.5% | EDGAR |
| SC 13G/A | 2022-02-07 | PARADIGM CAPITAL MANAGEMENT INC/NY | DUCOMMUN INC /DE/ | 714,681 | 6.0% | EDGAR |
| SC 13G/A | 2022-02-01 | BlackRock Inc. | DUCOMMUN INC /DE/ | 810,275 | 6.8% | EDGAR |
| SC 13G/A | 2021-02-12 | DIMENSIONAL FUND ADVISORS LP | DUCOMMUN INC /DE/ | 947,896 | 8.1% | EDGAR |
| SC 13G | 2021-02-11 | WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC | DUCOMMUN INC /DE/ | 868,455 | 7.4% | EDGAR |
| SC 13G/A | 2021-02-10 | PARADIGM CAPITAL MANAGEMENT INC/NY | DUCOMMUN INC /DE/ | 675,315 | 5.8% | EDGAR |
| SC 13G/A | 2021-02-10 | RBC Global Asset Management (U.S.) | DUCOMMUN INC /DE/ | 687,833 | 5.9% | EDGAR |
| SC 13G/A | 2021-01-29 | BlackRock Inc. | DUCOMMUN INC /DE/ | 790,366 | 6.7% | EDGAR |