Quick Takeaways
- DCO - DUCOMMUN INC /DE/ has 17 insiders with reported activity on this page.
- Net insider value flow over the last year: -$4,702,878.
- Recent transaction rows are available for direct filing-level review.
- Info
- Insider Trading
- Financials
- Holders
Insider Transactions Reported by 17 Insiders of DUCOMMUN INC /DE/
- Symbol
- DCO on NYSE
- Location
- Costa Mesa, CA
What Changed
- Buy value: ; sell value: $4,702,878.
- Net share flow: -36,534.
Why This Matters
- This page gives a plain-language issuer insider context before you inspect transaction-level evidence.
- Use the filing links below to verify timestamps, codes, and ownership impacts directly from SEC forms.
Source Evidence
Filed on Form 4
See Original Filing
Issuer insider activity is sourced from SEC Forms 3, 4, and 5.
Insider trading overview
Last 12 monthsNet insider flow leans to selling over the last 12 months. Net value: -$4,702,878.
Buys
$0
Shares: 0
Insiders: 0
Sells
$4,702,878
Shares: 36,534
Insiders: 3
Net
-$4,702,878
Shares: -36,534
Insiders: -3
| Window (months) | Buy shares | Sell shares | Buy $ | Sell $ | Net $ |
|---|---|---|---|---|---|
| 0-3 | 0 | 32,940 | $0 | $4,367,593 | -$4,367,593 |
| 3-6 | 0 | 3,594 | $0 | $335,285 | -$335,285 |
| 6-9 | 0 | 0 | $0 | $0 | $0 |
| 9-12 | 0 | 0 | $0 | $0 | $0 |
DUCOMMUN INC /DE/ executives and other stock owners filed with the SEC include:
| Name | Relationship | Holdings Value | Past Year Net Change | Change % | Valuation | Report Date |
|---|---|---|---|---|---|---|
| Stephen G. Oswald | Chairman, President & CEO, Director | $39,895,999 | Mixed | 04 Mar 2026 | ||
| Robert C. Ducommun | Director | $29,244,210 | Mixed | 05 Dec 2024 | ||
| Jerry L. Redondo | S.V.P., Elec. & Struc. Systems | $6,757,369 | -$335,285 | -4.7% | Mixed | 04 Mar 2026 |
| Suman B. Mookerji | S.V.P., Cfo | $3,876,936 | -$3,001,728 | -44% | Filing P/S | 10 Mar 2026 |
| Rajiv A. Tata | V.P., G.C. & Corp. Secretary | $3,532,272 | Mixed | 04 Mar 2026 | ||
| Richard A. Baldridge | Director | $2,629,683 | -$1,365,865 | -34% | Filing P/S | 10 Mar 2026 |
| Dean M. Flatt | Director | $2,343,018 | Mixed | 14 May 2024 | ||
| Jay L. Haberland | Director | $1,763,520 | Mixed | 26 Apr 2023 | ||
| Rose F. Rogers | VP & Chief HR Officer | $1,723,401 | Mixed | 10 Sep 2021 | ||
| Christopher D. Wampler | VP, CFO, Controller, Treasurer | $1,374,040 | Mixed | 23 Feb 2023 | ||
| Laureen S. Gonzalez | V.P., Chro | $1,240,209 | Mixed | 04 Mar 2026 | ||
| Shirley G. Drazba | Director | $935,596 | Mixed | 08 May 2025 | ||
| Sheila G. Kramer | Director | $579,915 | Mixed | 08 May 2025 | ||
| Samara A. Strycker | Director | $524,685 | Mixed | 08 May 2025 | ||
| David B. Carter | Director | $314,811 | Mixed | 08 May 2025 | ||
| Daniel L. Boehle | Director | $171,820 | Mixed | 08 May 2025 | ||
| Daniel G. Korte | Director | $171,820 | Mixed | 09 May 2025 |
Top shareholders of DUCOMMUN INC /DE/ (13F + 13D/G + 3/4/5)
Grouped by holder across the latest SEC ownership disclosures. Ownership % is shown only when it is directly reported or safely comparable across share classes.
Methodology: rows are grouped by holder and ranked by the holder's primary source value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
| Holder | Source | Role / Reporting | Ownership % | Shares | Holdings Value | 12M Net Δ | As of | Details |
|---|---|---|---|---|---|---|---|---|
| BlackRock, Inc. |
13F
13D/G
|
Company |
8.1%
from 13D/G
|
1,682,647
|
$160,070,210 | — | 31 Dec 2025 | |
| VANGUARD GROUP INC |
13F
|
Company |
5.6%
|
842,368
|
$80,134,467 | — | 31 Dec 2025 | |
| PARADIGM CAPITAL MANAGEMENT INC/NY |
13F
|
Company |
5.1%
|
770,500
|
$73,297,665 | — | 31 Dec 2025 | |
| DIMENSIONAL FUND ADVISORS LP |
13F
13D/G
|
Company |
3.4%
from 13D/G
|
749,513
|
$71,300,971 | — | 31 Dec 2025 | |
| STATE STREET CORP |
13F
|
Company |
4.5%
|
670,966
|
$63,828,996 | — | 31 Dec 2025 | |
| GAMCO INVESTORS, INC. ET AL |
13F
13D/G
|
Company · GAMCO Asset Management Inc. |
3.2%
from 13D/G
|
517,100
|
$49,191,723 | — | 31 Dec 2025 | |
| BROWN ADVISORY INC |
13F
|
Company |
2.9%
|
433,585
|
$41,246,941 | — | 31 Dec 2025 | |
| Ophir Asset Management Pty Ltd |
13F
|
Company |
2.8%
|
429,204
|
$40,830,177 | — | 31 Dec 2025 | |
| Stephen G. Oswald |
3/4/5
|
Chairman, President & CEO, Director |
2.8%
|
419,384
|
$39,895,999 | — | 04 Mar 2026 | |
| RDST Capital LLC |
13F
|
Company |
2.6%
|
390,363
|
$37,135,232 | — | 31 Dec 2025 | |
| GEODE CAPITAL MANAGEMENT, LLC |
13F
|
Company |
2.2%
|
333,371
|
$31,719,573 | — | 31 Dec 2025 | |
| GW&K Investment Management, LLC |
13F
|
Company |
2.1%
|
319,772
|
$30,420,000 | — | 31 Dec 2025 | |
| Robert C. Ducommun |
3/4/5
|
Director |
—
class O/S missing
|
420,780
|
$29,244,210 | — | 05 Dec 2024 | |
| ALLIANCEBERNSTEIN L.P. |
13F
|
Company |
1.9%
|
290,945
|
$27,677,598 | — | 31 Dec 2025 | |
| LOOMIS SAYLES & CO L P |
13F
|
Company |
1.8%
|
273,605
|
$26,028,043 | — | 31 Dec 2025 | |
| KENNEDY CAPITAL MANAGEMENT LLC |
13F
|
Company |
1.7%
|
262,003
|
$24,924,345 | — | 31 Dec 2025 | |
| DEUTSCHE BANK AG\ |
13F
|
Company |
1.5%
|
225,351
|
$21,437,641 | — | 31 Dec 2025 | |
| Aberdeen Group plc |
13F
|
Company |
1.5%
|
218,433
|
$20,779,532 | — | 31 Dec 2025 | |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC |
13F
|
Company |
1.3%
|
191,314
|
$18,199,701 | — | 31 Dec 2025 | |
| VAN ECK ASSOCIATES CORP |
13F
|
Company |
1.2%
|
186,835
|
$17,774,000 | — | 31 Dec 2025 | |
| First Eagle Investment Management, LLC |
13F
|
Company |
1.2%
|
181,324
|
$17,249,352 | — | 31 Dec 2025 | |
| Meros Investment Management, LP |
13F
|
Company |
1.2%
|
174,485
|
$16,598,758 | — | 31 Dec 2025 | |
| DIAMOND HILL CAPITAL MANAGEMENT INC |
13F
|
Company |
0.94%
|
141,757
|
$13,485,343 | — | 31 Dec 2025 | |
| THORNBURG INVESTMENT MANAGEMENT INC |
13F
|
Company |
0.9%
|
135,098
|
$12,851,873 | — | 31 Dec 2025 | |
| Invesco Ltd. |
13F
|
Company |
0.89%
|
133,375
|
$12,687,965 | — | 31 Dec 2025 | |
| FMR LLC |
13F
|
Company |
0.88%
|
132,205
|
$12,576,694 | — | 31 Dec 2025 | |
| WCM INVESTMENT MANAGEMENT, LLC |
13F
|
Company |
0.84%
|
126,746
|
$12,059,882 | — | 31 Dec 2025 | |
| WELLS FARGO & COMPANY/MN |
13F
|
Company |
0.82%
|
123,844
|
$11,781,253 | — | 31 Dec 2025 | |
| AMERICAN CENTURY COMPANIES INC |
13F
|
Company |
0.82%
|
123,747
|
$11,772,052 | — | 31 Dec 2025 | |
| Bragg Financial Advisors, Inc |
13F
|
Company |
0.8%
|
120,697
|
$11,481,906 | — | 31 Dec 2025 | |
| MILLENNIUM MANAGEMENT LLC |
13F
|
Company |
0.78%
|
116,872
|
$11,118,033 | — | 31 Dec 2025 | |
| Phocas Financial Corp. |
13F
|
Company |
0.76%
|
114,834
|
$10,924,158 | — | 31 Dec 2025 | |
| NORTHERN TRUST CORP |
13F
|
Company |
0.76%
|
114,578
|
$10,899,806 | — | 31 Dec 2025 | |
| MORGAN STANLEY |
13F
|
Company |
0.7%
|
105,178
|
$10,005,595 | — | 31 Dec 2025 | |
| WELLINGTON MANAGEMENT GROUP LLP |
13F
|
Company |
0.69%
|
103,934
|
$9,887,241 | — | 31 Dec 2025 | |
| GABELLI FUNDS LLC |
13F
|
Company |
0.69%
|
103,916
|
$9,885,529 | — | 31 Dec 2025 | |
| ROYCE & ASSOCIATES LP |
13F
|
Company |
0.67%
|
101,581
|
$9,663,401 | — | 31 Dec 2025 | |
| OBERWEIS ASSET MANAGEMENT INC/ |
13F
|
Company |
0.65%
|
98,100
|
$9,332,253 | — | 31 Dec 2025 | |
| GOLDMAN SACHS GROUP INC |
13F
|
Company |
0.63%
|
94,328
|
$8,973,423 | — | 31 Dec 2025 | |
| RENAISSANCE TECHNOLOGIES LLC |
13F
|
Company |
0.6%
|
89,700
|
$8,533,161 | — | 31 Dec 2025 | |
| Qube Research & Technologies Ltd |
13F
|
Company |
0.54%
|
82,030
|
$7,803,514 | — | 31 Dec 2025 | |
| TEACHER RETIREMENT SYSTEM OF TEXAS |
13F
|
Company |
0.48%
|
72,017
|
$6,850,977 | — | 31 Dec 2025 | |
| Jerry L. Redondo |
3/4/5
|
S.V.P., Elec. & Struc. Systems |
0.47%
|
71,033
|
$6,757,369 | -$335,285 | 04 Mar 2026 | |
| Gibson Capital, LLC |
13F
|
Company |
0.47%
|
70,229
|
$6,680,885 | — | 31 Dec 2025 | |
| ROYAL BANK OF CANADA |
13F
|
Company |
0.45%
|
67,597
|
$6,430,000 | — | 31 Dec 2025 | |
| Mitsubishi UFJ Asset Management Co., Ltd. |
13F
|
Company |
0.42%
|
62,796
|
$6,078,653 | — | 31 Dec 2025 | |
| TWO SIGMA INVESTMENTS, LP |
13F
|
Company |
0.4%
|
60,697
|
$5,774,106 | — | 31 Dec 2025 | |
| Nuveen, LLC |
13F
|
Company |
0.38%
|
57,602
|
$5,479,678 | — | 31 Dec 2025 | |
| CSM Advisors, LLC |
13F
|
Company |
0.37%
|
54,994
|
$5,231,000 | — | 31 Dec 2025 | |
| Allspring Global Investments Holdings, LLC |
13F
|
Company |
0.33%
|
49,362
|
$4,695,807 | — | 31 Dec 2025 |
Recent Insider Transactions by Companies or Individuals for DUCOMMUN INC /DE/
Showing up to 300 most recent insider transactions from the last 12 months.
| Insider | Symbol | Class | Transaction | % | Value $ | * Price $ | Shares | Shares Owned | Date | Ownership |
|---|---|---|---|---|---|---|---|---|---|---|
| Richard A. Baldridge | DCO | Common Stock | Sale | -34.2% | $1,365,865 | $130.83 | -10,440 | 20,100 | 10 Mar 2026 | Direct |
| Suman B. Mookerji | DCO | Common Stock | Sale | -21% | $1,027,633 | $131.90 | -7,791 | 29,393 | 10 Mar 2026 | Direct |
| Rajiv A. Tata | DCO | Common Stock | Options Exercise | 34.5% | 10,173 | 39,622 | 05 Mar 2026 | Direct | ||
| Rajiv A. Tata | DCO | Common Stock | Tax liability | -18% | -7,439 | 33,782 | 05 Mar 2026 | Direct | ||
| Rajiv A. Tata | DCO | Option - Right to Purchase | Options Exercise | 37.7% | 10,173 | 37,131 | 05 Mar 2026 | Direct | ||
| Laureen S. Gonzalez | DCO | Common Stock | Tax liability | -2.69% | -360 | 13,037 | 05 Mar 2026 | Direct | ||
| Jerry L. Redondo | DCO | Common Stock | Tax liability | -1.37% | -986 | 71,033 | 05 Mar 2026 | Direct | ||
| Suman B. Mookerji | DCO | Common Stock | Options Exercise | 9.33% | 4,700 | 55,079 | 05 Mar 2026 | Direct | ||
| Suman B. Mookerji | DCO | Common Stock | Tax liability | -8.28% | -4,547 | 50,379 | 05 Mar 2026 | Direct | ||
| Suman B. Mookerji | DCO | Option - Right to Purchase | Options Exercise | 9.96% | 4,700 | 51,893 | 05 Mar 2026 | Direct | ||
| Stephen G. Oswald | DCO | Common Stock | Tax liability | -0.57% | -2,409 | 419,384 | 05 Mar 2026 | Direct | ||
| Rajiv A. Tata | DCO | Common Stock | Tax liability | -11.1% | -4,097 | 32,908 | 04 Mar 2026 | Direct | ||
| Rajiv A. Tata | DCO | Common Stock | Award | 32.7% | 9,111 | 37,005 | 04 Mar 2026 | Direct | ||
| Laureen S. Gonzalez | DCO | Common Stock | Tax liability | -14.2% | -2,077 | 12,526 | 04 Mar 2026 | Direct | ||
| Laureen S. Gonzalez | DCO | Common Stock | Award | 48% | 4,735 | 14,603 | 04 Mar 2026 | Direct | ||
| Jerry L. Redondo | DCO | Common Stock | Tax liability | -6.67% | -4,978 | 69,629 | 04 Mar 2026 | Direct | ||
| Jerry L. Redondo | DCO | Common Stock | Award | 18.5% | 11,651 | 74,607 | 04 Mar 2026 | Direct | ||
| Suman B. Mookerji | DCO | Common Stock | Sale | -28.3% | $1,974,095 | $134.21 | -14,709 | 37,184 | 04 Mar 2026 | Direct |
| Suman B. Mookerji | DCO | Common Stock | Tax liability | -13.7% | -7,695 | 48,379 | 04 Mar 2026 | Direct | ||
| Suman B. Mookerji | DCO | Common Stock | Award | 46% | 17,676 | 56,074 | 04 Mar 2026 | Direct | ||
| Stephen G. Oswald | DCO | Common Stock | Tax liability | -11.5% | -53,295 | 410,856 | 04 Mar 2026 | Direct | ||
| Stephen G. Oswald | DCO | Common Stock | Award | 28.2% | 99,152 | 451,439 | 04 Mar 2026 | Direct | ||
| Stephen G. Oswald | DCO | Common Stock | Gift | -0.33% | -1,234 | 375,657 | 11 Dec 2025 | Direct | ||
| Jerry L. Redondo | DCO | Common Stock | Sale | -2.97% | $185,720 | $92.86 | -2,000 | 65,269 | 10 Dec 2025 | Direct |
| Stephen G. Oswald | DCO | Common Stock | Gift | -0.89% | -3,366 | 376,891 | 14 Nov 2025 | Direct | ||
| Jerry L. Redondo | DCO | Common Stock | Sale | -2.31% | $149,565 | $93.83 | -1,594 | 67,269 | 10 Nov 2025 | Direct |
| Suman B. Mookerji | DCO | Common Stock | Tax liability | -0.85% | -359 | 41,759 | 29 Aug 2025 | Direct | ||
| Rajiv A. Tata | DCO | Common Stock | Tax liability | -2.45% | -735 | 29,259 | 20 Jun 2025 | Direct | ||
| Suman B. Mookerji | DCO | Common Stock | Tax liability | -1.95% | -838 | 42,118 | 20 Jun 2025 | Direct | ||
| Jerry L. Redondo | DCO | Common Stock | Tax liability | -1.28% | -893 | 68,777 | 20 Jun 2025 | Direct | ||
| Stephen G. Oswald | DCO | Common Stock | Gift | -0.26% | -1,000 | 380,257 | 13 Jun 2025 | Direct | ||
| Stephen G. Oswald | DCO | Common Stock | Gift | -0.39% | -1,500 | 381,257 | 10 Jun 2025 | Direct | ||
| Stephen G. Oswald | DCO | Common Stock | Gift | -0.52% | -2,000 | 382,757 | 29 May 2025 | Direct | ||
| Stephen G. Oswald | DCO | Common Stock | Gift | -0.52% | -2,000 | 384,757 | 27 May 2025 | Direct | ||
| Laureen S. Gonzalez | DCO | Common Stock | Tax liability | -3.15% | -348 | 10,686 | 14 May 2025 | Direct | ||
| Rajiv A. Tata | DCO | Common Stock | Tax liability | -1.95% | -595 | 29,994 | 14 May 2025 | Direct | ||
| Suman B. Mookerji | DCO | Common Stock | Tax liability | -3.03% | -1,343 | 42,956 | 14 May 2025 | Direct | ||
| Jerry L. Redondo | DCO | Common Stock | Tax liability | -1.38% | -973 | 69,670 | 14 May 2025 | Direct | ||
| Stephen G. Oswald | DCO | Common Stock | Tax liability | -0.61% | -2,368 | 386,757 | 14 May 2025 | Direct | ||
| Daniel L. Boehle | DCO | Common Stock | Award | 283.6% | 2,300 | 3,111 | 08 May 2025 | Direct | ||
| Laureen S. Gonzalez | DCO | Common Stock | Tax liability | -2.98% | -339 | 11,034 | 08 May 2025 | Direct | ||
| Rajiv A. Tata | DCO | Common Stock | Tax liability | -2.13% | -667 | 30,589 | 08 May 2025 | Direct | ||
| Jerry L. Redondo | DCO | Common Stock | Tax liability | -1.13% | -810 | 70,643 | 08 May 2025 | Direct | ||
| Suman B. Mookerji | DCO | Common Stock | Tax liability | -2.75% | -1,252 | 44,299 | 08 May 2025 | Direct | ||
| Stephen G. Oswald | DCO | Common Stock | Tax liability | -0.7% | -2,759 | 389,125 | 08 May 2025 | Direct | ||
| Samara A. Strycker | DCO | Common Stock | Award | 31.9% | 2,300 | 9,500 | 08 May 2025 | Direct | ||
| Sheila G. Kramer | DCO | Common Stock | Award | 28% | 2,300 | 10,500 | 08 May 2025 | Direct | ||
| Daniel G. Korte | DCO | Common Stock | Award | 283.6% | 2,300 | 3,111 | 08 May 2025 | Held in Trust FBO Family | ||
| Shirley G. Drazba | DCO | Common Stock | Award | 15.7% | 2,300 | 16,940 | 08 May 2025 | Direct | ||
| David B. Carter | DCO | Common Stock | Award | 67.6% | 2,300 | 5,700 | 08 May 2025 | Direct |
* An asterisk sign (*) next to the price indicates that the price is likely invalid.