# Filing Detail

Form DEF 14A - Other definitive proxy statements:
SEC Accession No. 0001308179-25-000140
Filing Date
2025-03-14
Accepted
2025-03-14 16:46:05
Documents
141
Period of Report
2025-04-30

Document Format Files

Seq | Description | Document | Type | Size
--- | --- | --- | --- | ---
1 | DEFINITIVE PROXY STATEMENT | dco012725-def14a.htm iXBRL | DEF 14A | 1500346
2 | DEFINITIVE PROXY STATEMENT | ldco_courtesy-pdf.pdf | DEF 14A | 7005590
7 | GRAPHIC | check01.jpg | GRAPHIC | 1441
8 | GRAPHIC | footer.jpg | GRAPHIC | 8412
9 | GRAPHIC | ldco2025_def14ax104x1.jpg | GRAPHIC | 283158
10 | GRAPHIC | ldco2025_def14ax10x1.jpg | GRAPHIC | 42720
11 | GRAPHIC | ldco2025_def14ax11x1.jpg | GRAPHIC | 23946
12 | GRAPHIC | ldco2025_def14ax11x2.jpg | GRAPHIC | 26773
13 | GRAPHIC | ldco2025_def14ax12x1.jpg | GRAPHIC | 36350
14 | GRAPHIC | ldco2025_def14ax12x2.jpg | GRAPHIC | 35025
15 | GRAPHIC | ldco2025_def14ax13x1.jpg | GRAPHIC | 50259
16 | GRAPHIC | ldco2025_def14ax13x2.jpg | GRAPHIC | 55743
17 | GRAPHIC | ldco2025_def14ax13x3.jpg | GRAPHIC | 182049
18 | GRAPHIC | ldco2025_def14ax13x4.jpg | GRAPHIC | 97678
19 | GRAPHIC | ldco2025_def14ax15x1.jpg | GRAPHIC | 1827
20 | GRAPHIC | ldco2025_def14ax17x1.jpg | GRAPHIC | 1595
21 | GRAPHIC | ldco2025_def14ax17x10.jpg | GRAPHIC | 2337
22 | GRAPHIC | ldco2025_def14ax17x11.jpg | GRAPHIC | 1821
23 | GRAPHIC | ldco2025_def14ax17x12.jpg | GRAPHIC | 2014
24 | GRAPHIC | ldco2025_def14ax17x2.jpg | GRAPHIC | 1819
25 | GRAPHIC | ldco2025_def14ax17x3.jpg | GRAPHIC | 1681
26 | GRAPHIC | ldco2025_def14ax17x4.jpg | GRAPHIC | 1808
27 | GRAPHIC | ldco2025_def14ax17x5.jpg | GRAPHIC | 2285
28 | GRAPHIC | ldco2025_def14ax17x6.jpg | GRAPHIC | 1830
29 | GRAPHIC | ldco2025_def14ax17x7.jpg | GRAPHIC | 1802
30 | GRAPHIC | ldco2025_def14ax17x8.jpg | GRAPHIC | 2108
31 | GRAPHIC | ldco2025_def14ax17x9.jpg | GRAPHIC | 1877
32 | GRAPHIC | ldco2025_def14ax18x1.jpg | GRAPHIC | 58215
33 | GRAPHIC | ldco2025_def14ax18x2.jpg | GRAPHIC | 50509
34 | GRAPHIC | ldco2025_def14ax19x1.jpg | GRAPHIC | 55115
35 | GRAPHIC | ldco2025_def14ax19x2.jpg | GRAPHIC | 50044
36 | GRAPHIC | ldco2025_def14ax19x3.jpg | GRAPHIC | 59138
37 | GRAPHIC | ldco2025_def14ax1x1.jpg | GRAPHIC | 1214601
38 | GRAPHIC | ldco2025_def14ax20x1.jpg | GRAPHIC | 58579
39 | GRAPHIC | ldco2025_def14ax20x2.jpg | GRAPHIC | 55299
40 | GRAPHIC | ldco2025_def14ax20x3.jpg | GRAPHIC | 58086
41 | GRAPHIC | ldco2025_def14ax21x1.jpg | GRAPHIC | 55241
42 | GRAPHIC | ldco2025_def14ax21x2.jpg | GRAPHIC | 56179
43 | GRAPHIC | ldco2025_def14ax23x1.jpg | GRAPHIC | 1311009
44 | GRAPHIC | ldco2025_def14ax24x1.jpg | GRAPHIC | 911275
45 | GRAPHIC | ldco2025_def14ax26x1.jpg | GRAPHIC | 956973
46 | GRAPHIC | ldco2025_def14ax27x1.jpg | GRAPHIC | 56952
47 | GRAPHIC | ldco2025_def14ax28x1.jpg | GRAPHIC | 58802
48 | GRAPHIC | ldco2025_def14ax29x1.jpg | GRAPHIC | 54400
49 | GRAPHIC | ldco2025_def14ax29x2.jpg | GRAPHIC | 57593
50 | GRAPHIC | ldco2025_def14ax30x1.jpg | GRAPHIC | 626647
51 | GRAPHIC | ldco2025_def14ax32x1.jpg | GRAPHIC | 188004
52 | GRAPHIC | ldco2025_def14ax38x1.jpg | GRAPHIC | 51623
53 | GRAPHIC | ldco2025_def14ax38x2.jpg | GRAPHIC | 56899
54 | GRAPHIC | ldco2025_def14ax39x1.jpg | GRAPHIC | 184374
55 | GRAPHIC | ldco2025_def14ax39x2.jpg | GRAPHIC | 96848
56 | GRAPHIC | ldco2025_def14ax3x1.jpg | GRAPHIC | 9251
57 | GRAPHIC | ldco2025_def14ax3x2.jpg | GRAPHIC | 7382
58 | GRAPHIC | ldco2025_def14ax41x1.jpg | GRAPHIC | 110194
59 | GRAPHIC | ldco2025_def14ax41x2.jpg | GRAPHIC | 104941
60 | GRAPHIC | ldco2025_def14ax42x1.jpg | GRAPHIC | 90474
61 | GRAPHIC | ldco2025_def14ax43x1.jpg | GRAPHIC | 76185
62 | GRAPHIC | ldco2025_def14ax44x1.jpg | GRAPHIC | 90336
63 | GRAPHIC | ldco2025_def14ax44x2.jpg | GRAPHIC | 82510
64 | GRAPHIC | ldco2025_def14ax45x1.jpg | GRAPHIC | 58401
65 | GRAPHIC | ldco2025_def14ax45x2.jpg | GRAPHIC | 54932
66 | GRAPHIC | ldco2025_def14ax45x3.jpg | GRAPHIC | 55462
67 | GRAPHIC | ldco2025_def14ax45x4.jpg | GRAPHIC | 53578
68 | GRAPHIC | ldco2025_def14ax45x5.jpg | GRAPHIC | 58402
69 | GRAPHIC | ldco2025_def14ax49x1.jpg | GRAPHIC | 5424
70 | GRAPHIC | ldco2025_def14ax4x1.jpg | GRAPHIC | 1636
71 | GRAPHIC | ldco2025_def14ax4x2.jpg | GRAPHIC | 2024
72 | GRAPHIC | ldco2025_def14ax4x3.jpg | GRAPHIC | 2128
73 | GRAPHIC | ldco2025_def14ax4x4.jpg | GRAPHIC | 1710
74 | GRAPHIC | ldco2025_def14ax51x1.jpg | GRAPHIC | 42163
75 | GRAPHIC | ldco2025_def14ax51x2.jpg | GRAPHIC | 40390
76 | GRAPHIC | ldco2025_def14ax51x3.jpg | GRAPHIC | 40173
77 | GRAPHIC | ldco2025_def14ax51x4.jpg | GRAPHIC | 41414
78 | GRAPHIC | ldco2025_def14ax51x5.jpg | GRAPHIC | 42738
79 | GRAPHIC | ldco2025_def14ax51x6.jpg | GRAPHIC | 93031
80 | GRAPHIC | ldco2025_def14ax52x1.jpg | GRAPHIC | 82125
81 | GRAPHIC | ldco2025_def14ax52x2.jpg | GRAPHIC | 73590
82 | GRAPHIC | ldco2025_def14ax52x3.jpg | GRAPHIC | 59829
83 | GRAPHIC | ldco2025_def14ax52x4.jpg | GRAPHIC | 67631
84 | GRAPHIC | ldco2025_def14ax53x1.jpg | GRAPHIC | 59253
85 | GRAPHIC | ldco2025_def14ax53x2.jpg | GRAPHIC | 72590
86 | GRAPHIC | ldco2025_def14ax53x3.jpg | GRAPHIC | 61566
87 | GRAPHIC | ldco2025_def14ax53x4.jpg | GRAPHIC | 67702
88 | GRAPHIC | ldco2025_def14ax54x1.jpg | GRAPHIC | 62771
89 | GRAPHIC | ldco2025_def14ax54x2.jpg | GRAPHIC | 71514
90 | GRAPHIC | ldco2025_def14ax54x3.jpg | GRAPHIC | 59772
91 | GRAPHIC | ldco2025_def14ax55x1.jpg | GRAPHIC | 61681
92 | GRAPHIC | ldco2025_def14ax55x2.jpg | GRAPHIC | 66452
93 | GRAPHIC | ldco2025_def14ax55x3.jpg | GRAPHIC | 60432
94 | GRAPHIC | ldco2025_def14ax56x1.jpg | GRAPHIC | 241721
95 | GRAPHIC | ldco2025_def14ax56x2.jpg | GRAPHIC | 176701
96 | GRAPHIC | ldco2025_def14ax57x1.jpg | GRAPHIC | 147392
97 | GRAPHIC | ldco2025_def14ax57x2.jpg | GRAPHIC | 143795
98 | GRAPHIC | ldco2025_def14ax59x1.jpg | GRAPHIC | 21332
99 | GRAPHIC | ldco2025_def14ax59x2.jpg | GRAPHIC | 262955
100 | GRAPHIC | ldco2025_def14ax59x3.jpg | GRAPHIC | 181282
101 | GRAPHIC | ldco2025_def14ax60x1.jpg | GRAPHIC | 180438
102 | GRAPHIC | ldco2025_def14ax60x2.jpg | GRAPHIC | 6096
103 | GRAPHIC | ldco2025_def14ax60x3.jpg | GRAPHIC | 7900
104 | GRAPHIC | ldco2025_def14ax63x1.jpg | GRAPHIC | 95877
105 | GRAPHIC | ldco2025_def14ax65x1.jpg | GRAPHIC | 67156
106 | GRAPHIC | ldco2025_def14ax65x2.jpg | GRAPHIC | 229779
107 | GRAPHIC | ldco2025_def14ax66x1.jpg | GRAPHIC | 127156
108 | GRAPHIC | ldco2025_def14ax66x2.jpg | GRAPHIC | 86814
109 | GRAPHIC | ldco2025_def14ax67x1.jpg | GRAPHIC | 62983
110 | GRAPHIC | ldco2025_def14ax67x2.jpg | GRAPHIC | 221658
111 | GRAPHIC | ldco2025_def14ax7x1.jpg | GRAPHIC | 4392
112 | GRAPHIC | ldco2025_def14ax7x2.jpg | GRAPHIC | 3442
113 | GRAPHIC | ldco2025_def14ax7x3.jpg | GRAPHIC | 4833
114 | GRAPHIC | ldco2025_def14ax85x1.jpg | GRAPHIC | 61722
115 | GRAPHIC | ldco2025_def14ax85x2.jpg | GRAPHIC | 51629
116 | GRAPHIC | ldco2025_def14ax86x1.jpg | GRAPHIC | 88444
117 | GRAPHIC | ldco2025_def14ax87x1.jpg | GRAPHIC | 1822
118 | GRAPHIC | ldco2025_def14ax8x1.jpg | GRAPHIC | 37144
119 | GRAPHIC | ldco2025_def14ax8x2.jpg | GRAPHIC | 29056
120 | GRAPHIC | ldco2025_def14ax8x3.jpg | GRAPHIC | 27033
121 | GRAPHIC | ldco2025_def14ax8x4.jpg | GRAPHIC | 29445
122 | GRAPHIC | ldco2025_def14ax8x5.jpg | GRAPHIC | 24257
123 | GRAPHIC | ldco2025_def14ax8x6.jpg | GRAPHIC | 25925
124 | GRAPHIC | ldco2025_def14ax9x1.jpg | GRAPHIC | 30823
125 | GRAPHIC | ldco2025_def14ax9x2.jpg | GRAPHIC | 49577
126 | GRAPHIC | ldco2025_def14ax9x3.jpg | GRAPHIC | 27334
127 | GRAPHIC | ldco2025_def14ax9x4.jpg | GRAPHIC | 31877
128 | GRAPHIC | logo.jpg | GRAPHIC | 16995
129 | GRAPHIC | proxy1.jpg | GRAPHIC | 1442108
130 | GRAPHIC | proxy2.jpg | GRAPHIC | 2027774
131 | GRAPHIC | uncheck.jpg | GRAPHIC | 1060
| Complete submission text file | 0001308179-25-000140.txt |  | 52527014

Data Files

Seq | Description | Document | Type | Size
--- | --- | --- | --- | ---
3 | XBRL TAXONOMY EXTENSION SCHEMA | ldco-20250430.xsd | EX-101.SCH | 3417
4 | XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE | ldco-20250430_pre.xml | EX-101.PRE | 45053
5 | XBRL TAXONOMY EXTENSION LABEL LINKBASE | ldco-20250430_lab.xml | EX-101.LAB | 60043
6 | XBRL TAXONOMY EXTENSION DEFINITION LINKBASE | ldco-20250430_def.xml | EX-101.DEF | 5344
143 | EXTRACTED XBRL INSTANCE DOCUMENT | dco012725-def14a_htm.xml | XML | 350565

Mailing Address 600 ANTON BOULEVARD SUITE 1100 COSTA MESA CA 92626
Business Address 600 ANTON BOULEVARD SUITE 1100 COSTA MESA CA 92626 657-335-3665
DUCOMMUN INC /DE/ (Filer) CIK: 0000030305 (see all company filings)

EIN.: 950693330 | State of Incorp.: DE | Fiscal Year End: 1231
Type: DEF 14A | Act: 34 | File No.: 001-08174 | Film No.: 25740912
SIC: 3728 Aircraft Parts & Auxiliary Equipment, NEC
(CF Office: 04 Manufacturing)