Company / CIK 0000030305
DUCOMMUN INC /DE/
- Ticker
- DCO
- Size, estimated from filings
- Mid cap ($2B – $10B)
- Insiders on file
- 13
- Members of Congress who traded it
- 1
- Federal contracts on record
- none matched
- Lobbying filings on record
- none matched
- SEC filings
- EDGAR ↗
- Latest trade on record
- August 18, 2026
DUCOMMUN INC /DE/ (DCO) has 13 insiders on file who disclosed 87 transactions in the last 12 months (0 open-market buys, 50 sales, about $30.0M at reported prices), and 3 congressional trades in its stock are on record. No federal contract award that started in the last 180 days was found for a recipient with exactly this name; no lobbying filing names it as client this year.
DUCOMMUN INC /DE/ in charts
Who is trading this stock
Which people account for the buying and selling over the last 12 months?
BoughtSold
7 people account for the disclosed buying and selling in DUCOMMUN INC /DE/ over the last 12 months; the most active is Oswald Stephen G with $15M.
Insiders
| Name | Role | Rows | Bought | Sold | Last filed |
|---|---|---|---|---|---|
| BALDRIDGE RICHARD A | Director | 1 | 0 | 1 | September 8, 2026 |
| Oswald Stephen G | Chairman, President & CEO | 24 | 0 | 12 | August 19, 2026 |
| Gonzalez Laureen S. | V.P., CHRO | 9 | 0 | 7 | May 29, 2026 |
| Strycker Samara A | Director | 1 | 0 | 0 | May 29, 2026 |
| Kramer Sheila G. | Director | 1 | 0 | 0 | May 29, 2026 |
| Korte Daniel G. | Director | 1 | 0 | 0 | May 29, 2026 |
| Drazba Shirley | Director | 1 | 0 | 0 | May 29, 2026 |
| Caylor Mark A | Director | 1 | 0 | 0 | May 29, 2026 |
| BOEHLE DANIEL L. | Director | 1 | 0 | 0 | May 29, 2026 |
| Carter David B. | Director | 1 | 0 | 0 | May 29, 2026 |
| Mookerji Suman B. | Sr. V.P., C.F.O. | 17 | 0 | 11 | May 22, 2026 |
| Tata Rajiv A. | V.P., G.C. & Corp. Secretary | 18 | 0 | 10 | May 20, 2026 |
| Redondo Jerry L | S.V.P., Elec. & Struc. Systems | 11 | 0 | 9 | May 15, 2026 |
Rows are this company's Form 4 rows for each person. "Bought" and "sold" count open-market purchases (code P) and sales only. More in insider buying and insider selling.
Members of Congress who traded DCO
From periodic transaction reports that name the company's stock. Amounts are the sums of the ranges as filed. Every row is on the DCO page.
| Member | Seat | Trades | Bought | Sold | Range as filed | Latest |
|---|---|---|---|---|---|---|
| Gilbert Ray Cisneros, Jr. | Representative (CA, District 31), Democrat | 3 | 2 | 1 | $3,003–$45K | August 7, 2026 |
Insider transactions
| Filer | Security | Side | Trade date | Disclosed | Lag | Shares | Price | Value | Flags | Source | Share |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Oswald Stephen G | DCO | Option / conversion M | August 17, 2026 | August 19, 2026 | 2d | 10,000 | — | — | derivative | Form 4 ↗ | |
| Oswald Stephen G | DCO | Sell S | August 18, 2026 | August 19, 2026 | 1d | 2,500 | $204 | $510K | Form 4 ↗ | ||
| Oswald Stephen G | DCO | Sell F | August 17, 2026 | August 19, 2026 | 2d | 6,111 | $207 | $1.3M | Form 4 ↗ | ||
| Oswald Stephen G | DCO | Option / conversion M | August 17, 2026 | August 19, 2026 | 2d | 10,000 | $33 | $329K | Form 4 ↗ | ||
| Oswald Stephen G | DCO | Option / conversion M | August 11, 2026 | August 13, 2026 | 2d | 15,000 | — | — | derivative | Form 4 ↗ | |
| Oswald Stephen G | DCO | Other G | August 12, 2026 | August 13, 2026 | 1d | 2,244 | — | — | Form 4 ↗ | ||
| Oswald Stephen G | DCO | Sell S | August 12, 2026 | August 13, 2026 | 1d | 5,766 | $201 | $1.2M | Form 4 ↗ | ||
| Oswald Stephen G | DCO | Sell F | August 11, 2026 | August 13, 2026 | 2d | 9,234 | $195 | $1.8M | Form 4 ↗ | ||
| Oswald Stephen G | DCO | Option / conversion M | August 11, 2026 | August 13, 2026 | 2d | 15,000 | $33 | $494K | Form 4 ↗ | ||
| Oswald Stephen G | DCO | Other G | June 11, 2026 | June 11, 2026 | 0d | 1,920 | — | — | Form 4 ↗ | ||
| Carter David B. | DCO | Other A | May 27, 2026 | May 29, 2026 | 2d | 1,200 | — | — | Form 4 ↗ | ||
| BOEHLE DANIEL L. | DCO | Other A | May 27, 2026 | May 29, 2026 | 2d | 1,200 | — | — | Form 4 ↗ | ||
| Caylor Mark A | DCO | Other A | May 27, 2026 | May 29, 2026 | 2d | 1,200 | — | — | Form 4 ↗ | ||
| Drazba Shirley | DCO | Other A | May 27, 2026 | May 29, 2026 | 2d | 1,200 | — | — | Form 4 ↗ | ||
| Korte Daniel G. | DCO | Other A | May 27, 2026 | May 29, 2026 | 2d | 1,200 | — | — | indirect | Form 4 ↗ | |
| Kramer Sheila G. | DCO | Other A | May 27, 2026 | May 29, 2026 | 2d | 1,200 | — | — | Form 4 ↗ | ||
| Strycker Samara A | DCO | Other A | May 27, 2026 | May 29, 2026 | 2d | 1,200 | — | — | Form 4 ↗ | ||
| Oswald Stephen G | DCO | Other G | May 28, 2026 | May 29, 2026 | 1d | 2,034 | — | — | Form 4 ↗ | ||
| Gonzalez Laureen S. | DCO | Sell S | May 28, 2026 | May 29, 2026 | 1d | 589 | $152 | $90K | Form 4 ↗ | ||
| Mookerji Suman B. | DCO | Sell S | May 20, 2026 | May 22, 2026 | 2d | 1,514 | $145 | $220K | Form 4 ↗ | ||
| Oswald Stephen G | DCO | Sell D | May 20, 2026 | May 22, 2026 | 2d | 16,314 | $143 | $2.3M | Form 4 ↗ | ||
| Oswald Stephen G | DCO | Other G | May 20, 2026 | May 22, 2026 | 2d | 3,700 | — | — | Form 4 ↗ | ||
| Tata Rajiv A. | DCO | Sell S | May 20, 2026 | May 20, 2026 | 0d | 1,612 | $145 | $234K | Form 4 ↗ | ||
| Tata Rajiv A. | DCO | Sell D | May 14, 2026 | May 15, 2026 | 1d | 558 | — | — | Form 4 ↗ | ||
| Tata Rajiv A. | DCO | Sell F | May 14, 2026 | May 15, 2026 | 1d | 549 | $152 | $83K | Form 4 ↗ | ||
| Gonzalez Laureen S. | DCO | Sell D | May 14, 2026 | May 15, 2026 | 1d | 326 | — | — | Form 4 ↗ | ||
| Gonzalez Laureen S. | DCO | Sell F | May 14, 2026 | May 15, 2026 | 1d | 321 | $152 | $49K | Form 4 ↗ | ||
| Mookerji Suman B. | DCO | Option / conversion M | May 15, 2026 | May 15, 2026 | 0d | 7,500 | — | — | derivative | Form 4 ↗ | |
| Mookerji Suman B. | DCO | Sell F | May 15, 2026 | May 15, 2026 | 0d | 4,728 | $152 | $717K | Form 4 ↗ | ||
| Mookerji Suman B. | DCO | Option / conversion M | May 15, 2026 | May 15, 2026 | 0d | 7,500 | $40 | $303K | Form 4 ↗ | ||
| Mookerji Suman B. | DCO | Sell D | May 14, 2026 | May 15, 2026 | 1d | 1,259 | — | — | Form 4 ↗ | ||
| Mookerji Suman B. | DCO | Sell F | May 14, 2026 | May 15, 2026 | 1d | 1,239 | $152 | $188K | Form 4 ↗ | ||
| Redondo Jerry L | DCO | Sell S | May 14, 2026 | May 15, 2026 | 1d | 5,682 | $154 | $877K | Form 4 ↗ | ||
| Redondo Jerry L | DCO | Sell D | May 14, 2026 | May 15, 2026 | 1d | 912 | — | — | Form 4 ↗ | ||
| Redondo Jerry L | DCO | Sell F | May 14, 2026 | May 15, 2026 | 1d | 898 | $152 | $136K | Form 4 ↗ | ||
| Oswald Stephen G | DCO | Sell D | May 14, 2026 | May 15, 2026 | 1d | 2,221 | — | — | Form 4 ↗ | ||
| Oswald Stephen G | DCO | Sell F | May 14, 2026 | May 15, 2026 | 1d | 2,185 | $152 | $331K | Form 4 ↗ | ||
| Tata Rajiv A. | DCO | Sell D | May 8, 2026 | May 12, 2026 | 4d | 625 | — | — | Form 4 ↗ | ||
| Tata Rajiv A. | DCO | Sell F | May 8, 2026 | May 12, 2026 | 4d | 616 | $137 | $85K | Form 4 ↗ | ||
| Gonzalez Laureen S. | DCO | Sell D | May 8, 2026 | May 12, 2026 | 4d | 317 | — | — | Form 4 ↗ | ||
| Gonzalez Laureen S. | DCO | Sell F | May 8, 2026 | May 12, 2026 | 4d | 312 | $137 | $43K | Form 4 ↗ | ||
| Redondo Jerry L | DCO | Sell D | May 8, 2026 | May 12, 2026 | 4d | 759 | — | — | Form 4 ↗ | ||
| Redondo Jerry L | DCO | Sell F | May 8, 2026 | May 12, 2026 | 4d | 748 | $137 | $103K | Form 4 ↗ | ||
| Mookerji Suman B. | DCO | Sell D | May 8, 2026 | May 12, 2026 | 4d | 1,174 | — | — | Form 4 ↗ | ||
| Mookerji Suman B. | DCO | Sell F | May 8, 2026 | May 12, 2026 | 4d | 1,155 | $137 | $159K | Form 4 ↗ | ||
| Oswald Stephen G | DCO | Sell D | May 8, 2026 | May 12, 2026 | 4d | 2,589 | — | — | Form 4 ↗ | ||
| Oswald Stephen G | DCO | Sell F | May 8, 2026 | May 12, 2026 | 4d | 2,546 | $137 | $349K | Form 4 ↗ | ||
| BALDRIDGE RICHARD A | DCO | Sell S | March 10, 2026 | March 12, 2026 | 2d | 10,440 | $131 | $1.4M | Form 4 ↗ | ||
| Mookerji Suman B. | DCO | Sell S | March 10, 2026 | March 10, 2026 | 0d | 7,791 | $132 | $1.0M | Form 4 ↗ | ||
| Tata Rajiv A. | DCO | Option / conversion M | March 5, 2026 | March 6, 2026 | 1d | 1,833 | $139 | $256K | derivative | Form 4 ↗ | |
| Tata Rajiv A. | DCO | Option / conversion M | March 5, 2026 | March 6, 2026 | 1d | 2,500 | $139 | $349K | derivative | Form 4 ↗ | |
| Tata Rajiv A. | DCO | Option / conversion M | March 5, 2026 | March 6, 2026 | 1d | 5,840 | — | — | derivative | Form 4 ↗ | |
| Tata Rajiv A. | DCO | Sell F | March 5, 2026 | March 6, 2026 | 1d | 1,186 | $139 | $165K | Form 4 ↗ | ||
| Tata Rajiv A. | DCO | Option / conversion M | March 5, 2026 | March 6, 2026 | 1d | 1,833 | $33 | $60K | Form 4 ↗ | ||
| Tata Rajiv A. | DCO | Sell F | March 5, 2026 | March 6, 2026 | 1d | 1,680 | $139 | $234K | Form 4 ↗ | ||
| Tata Rajiv A. | DCO | Option / conversion M | March 5, 2026 | March 6, 2026 | 1d | 2,500 | $40 | $101K | Form 4 ↗ | ||
| Tata Rajiv A. | DCO | Sell F | March 5, 2026 | March 6, 2026 | 1d | 3,958 | $139 | $552K | Form 4 ↗ | ||
| Tata Rajiv A. | DCO | Option / conversion M | March 5, 2026 | March 6, 2026 | 1d | 5,840 | $42 | $247K | Form 4 ↗ | ||
| Tata Rajiv A. | DCO | Sell F | March 5, 2026 | March 6, 2026 | 1d | 615 | $130 | $80K | Form 4 ↗ | ||
| Tata Rajiv A. | DCO | Other A | March 4, 2026 | March 6, 2026 | 2d | 1,489 | — | — | Form 4 ↗ | ||
| Tata Rajiv A. | DCO | Sell F | March 4, 2026 | March 6, 2026 | 2d | 4,097 | $139 | $571K | Form 4 ↗ | ||
| Tata Rajiv A. | DCO | Other A | March 4, 2026 | March 6, 2026 | 2d | 7,622 | — | — | Form 4 ↗ | ||
| Gonzalez Laureen S. | DCO | Sell F | March 5, 2026 | March 6, 2026 | 1d | 360 | $130 | $47K | Form 4 ↗ | ||
| Gonzalez Laureen S. | DCO | Other A | March 4, 2026 | March 6, 2026 | 2d | 871 | — | — | Form 4 ↗ | ||
| Gonzalez Laureen S. | DCO | Sell F | March 4, 2026 | March 6, 2026 | 2d | 2,077 | $139 | $290K | Form 4 ↗ | ||
| Gonzalez Laureen S. | DCO | Other A | March 4, 2026 | March 6, 2026 | 2d | 3,864 | — | — | Form 4 ↗ | ||
| Redondo Jerry L | DCO | Sell F | March 5, 2026 | March 6, 2026 | 1d | 986 | $130 | $128K | Form 4 ↗ | ||
| Redondo Jerry L | DCO | Other A | March 4, 2026 | March 6, 2026 | 2d | 2,390 | — | — | Form 4 ↗ | ||
| Redondo Jerry L | DCO | Sell F | March 4, 2026 | March 6, 2026 | 2d | 4,978 | $139 | $694K | Form 4 ↗ | ||
| Redondo Jerry L | DCO | Other A | March 4, 2026 | March 6, 2026 | 2d | 9,261 | — | — | Form 4 ↗ | ||
| Mookerji Suman B. | DCO | Option / conversion M | March 5, 2026 | March 6, 2026 | 1d | 4,700 | — | — | derivative | Form 4 ↗ | |
| Mookerji Suman B. | DCO | Sell S | March 4, 2026 | March 6, 2026 | 2d | 14,709 | $134 | $2.0M | Form 4 ↗ | ||
| Mookerji Suman B. | DCO | Sell F | March 5, 2026 | March 6, 2026 | 1d | 3,186 | $139 | $444K | Form 4 ↗ | ||
| Mookerji Suman B. | DCO | Option / conversion M | March 5, 2026 | March 6, 2026 | 1d | 4,700 | $42 | $199K | Form 4 ↗ | ||
| Mookerji Suman B. | DCO | Sell F | March 5, 2026 | March 6, 2026 | 1d | 1,361 | $130 | $177K | Form 4 ↗ | ||
| Mookerji Suman B. | DCO | Other A | March 4, 2026 | March 6, 2026 | 2d | 3,361 | — | — | Form 4 ↗ | ||
| Mookerji Suman B. | DCO | Sell F | March 4, 2026 | March 6, 2026 | 2d | 7,695 | $139 | $1.1M | Form 4 ↗ | ||
| Mookerji Suman B. | DCO | Other A | March 4, 2026 | March 6, 2026 | 2d | 14,315 | — | — | Form 4 ↗ | ||
| Oswald Stephen G | DCO | Sell F | March 5, 2026 | March 6, 2026 | 1d | 2,409 | $130 | $314K | Form 4 ↗ | ||
| Oswald Stephen G | DCO | Sell F | March 4, 2026 | March 6, 2026 | 2d | 12,712 | $139 | $1.8M | Form 4 ↗ | ||
| Oswald Stephen G | DCO | Other A | March 4, 2026 | March 6, 2026 | 2d | 23,649 | — | — | Form 4 ↗ | ||
| Oswald Stephen G | DCO | Sell F | March 4, 2026 | March 6, 2026 | 2d | 40,583 | $139 | $5.7M | Form 4 ↗ | ||
| Oswald Stephen G | DCO | Other A | March 4, 2026 | March 6, 2026 | 2d | 75,503 | — | — | Form 4 ↗ | ||
| Oswald Stephen G | DCO | Other G | December 11, 2025 | December 12, 2025 | 1d | 1,234 | — | — | Form 4 ↗ | ||
| Redondo Jerry L | DCO | Sell S | December 10, 2025 | December 11, 2025 | 1d | 2,000 | $93 | $186K | Form 4 ↗ | ||
| Oswald Stephen G | DCO | Other G | November 14, 2025 | November 17, 2025 | 3d | 3,366 | — | — | Form 4 ↗ | ||
| Redondo Jerry L | DCO | Sell S | November 10, 2025 | November 12, 2025 | 2d | 1,594 | $94 | $150K | Form 4 ↗ |
Federal contracts (USAspending, awards started in the last 180 days)
No contract award starting in the last 180 days was found for a recipient named exactly "DUCOMMUN INC /DE/". Subsidiaries and differently-spelled recipients are not matched — search contracts.
Lobbying (Senate LDA, as client)
No LDA filing posted since October 2025 names "DUCOMMUN INC /DE/" as the client. Filings under a subsidiary or trade-association name are not matched — search lobbying.
Related companies
Companies whose stock was traded by the same people who traded DCO, by number of filers in common. It shows overlap in public filings and nothing else.
- CrowdStrike Holdings, Inc. CRWD 1 filer in common
- Cloudflare, Inc. NET 1 filer in common
- Uber Technologies, Inc UBER 1 filer in common
- Datadog, Inc. DDOG 1 filer in common
- CARVANA CO. CVNA 1 filer in common
- Arista Networks, Inc. ANET 1 filer in common
- Credo Technology Group Holding Ltd CRDO 1 filer in common
- AppLovin Corp APP 1 filer in common
Guides for this page
- What is SEC Form 4? Who files: officers, directors and owners of more than 10% of a class of the company's shares.
- Insider buying vs insider selling Selling outweighs buying by a wide margin in normal times.
- What disclosure data cannot tell you Filings are late by design: up to 45 days for Congress, two business days for insiders.
Sources and method
| Source | Filings | Rows | First filed | Newest filed | Read the originals |
|---|---|---|---|---|---|
| House Clerk, periodic transaction reports | 3 | 3 | June 8, 2026 | September 10, 2026 | House Clerk search |
| SEC EDGAR, Form 4 | 36 | 87 | November 12, 2025 | August 19, 2026 | Form 4 list on EDGAR |
Site built October 22, 2026. Every row in the tables above links to its own filing. To quote a figure, use the Cite button at the top of the page; see how to cite and reuse.
Insiders and their transactions come from SEC EDGAR Form 4 filings for this issuer. Contracts and lobbying are matched by exact normalized name (suffixes like Inc./Corp. ignored) to USAspending recipients and LDA clients — a conservative match that misses subsidiaries on purpose. See methodology and corrections.
Not investment advice. Public records shown as filed; no recommendation is made or implied.