How many insider trades does FilingIQ track for DCO?

FilingIQ tracks 666 Form 4 insider transactions for DCO (DUCOMMUN INC /DE/), covering filings from May 7, 2014 onwards. 46 of those were filed in the last 90 days.

Are DCO insiders net buyers or net sellers?

Across the full Form 4 history for DCO, 15 transactions (2%) were open-market purchases and 98 (15%) were open-market sales. Compensatory awards and option exercises are filtered out of these counts.

Where does DCO insider data come from?

Every transaction shown on this page is sourced directly from SEC EDGAR Form 4 filings. FilingIQ parses the raw XML, normalises insider identity across reporting variations, and scores each trade on its multi-factor composite model.

What sector is DCO in?

DUCOMMUN INC /DE/ (DCO) is classified in the Industrials sector, specifically Aerospace & Defense, with a current market capitalisation of $1.86B.

DCO insider trading

NYSE Industrials

DUCOMMUN INC /DE/ — scored insider trade history from SEC Form 4 filings, parsed and contextualised by FilingIQ.

Total Form 4 trades

666

Last 90 days

Buys / sells

2% / 15%

Market cap

$1.86B

About DUCOMMUN INC /DE/

Ducommun Incorporated provides engineering and manufacturing services for products and applications used in the aerospace and defense, industrial, medical, and other industries in the United States. It operates through two segments, Electronic Systems and Structural Systems. The Electronic Systems segment provides cable assemblies and interconnect systems; printed circuit board assemblies; electronic, electromechanical, and mechanical components and assemblies, as well as lightning diversion systems; and radar enclosures, aircraft avionics racks, shipboard communications and control enclosures, wire harnesses, lightning diversion strips, surge suppressors, conformal shields, and other assemblies. This segment also supplies engineered products, including illuminated pushbutton switches and panels for aviation and test systems; microwave and millimeter switches and filters for radio frequency systems and test instrumentation; and motors and resolvers for motion control, as well as provides engineering service for aerospace system design, development, integration, and testing service. The Structural Systems segment designs, engineers, and manufactures contoured aluminum, titanium, and Inconel aero structure components; structural assembly products, such as winglets, engine components, and fuselage structural panels; aerodynamic systems; and metal and composite bonded structures and assemblies comprising aircraft wing spoilers, large fuselage skins, rotor blades on rotary-wing aircraft and components, flight control surfaces, engine components, ammunition handling systems, and magnetic seals. It serves commercial aircraft, military fixed-wing aircraft, military and commercial rotary-wing aircraft, and space programs. The company was founded in 1849 and is headquartered in Costa Mesa, California.

Company website: www.ducommun.com

DCO insider activity at a glance

FilingIQ has scored 666 insider transactions for DCO since May 7, 2014. The most recent filing in our index is dated May 8, 2026.

Across the full history, 15 open-market purchases and 98 open-market sales were filed under transaction codes P and S respectively. Compensatory share awards (code A) and option exercises (code M) are tracked separately and not counted here.

The average FilingIQ composite score on DCO insider trades is 59.8/100, produced by FilingIQ's multi-factor Form 4 model. Model framework documented at methodology.

View live DCO trades on FilingIQ Raw filings on SEC EDGAR

Latest DCO Form 4 filings

Mookerji Suman B. S.V.P., CFO

S Mar 10, 2026

Mookerji Suman B. Sr. V.P., C.F.O.

S Mar 4, 2026

Most recent disclosures. Sign up to filter by score, transaction code, or insider role.

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Top insiders trading DCO

Mookerji Suman B.

11 trades · score 75.0

13F funds holding DCO

RDST Capital LLC

$48.21M · 4.5% of AUM

Frequently asked

How many insider trades does FilingIQ track for DCO?: FilingIQ tracks 666 Form 4 insider transactions for DCO (DUCOMMUN INC /DE/), covering filings from May 7, 2014 onwards. 46 of those were filed in the last 90 days.
Are DCO insiders net buyers or net sellers?: Across the full Form 4 history for DCO, 15 transactions (2%) were open-market purchases and 98 (15%) were open-market sales. Compensatory awards and option exercises are filtered out of these counts.
Where does DCO insider data come from?: Every transaction shown on this page is sourced directly from SEC EDGAR Form 4 filings. FilingIQ parses the raw XML, normalises insider identity across reporting variations, and scores each trade on its multi-factor composite model.
What sector is DCO in?: DUCOMMUN INC /DE/ (DCO) is classified in the Industrials sector, specifically Aerospace & Defense, with a current market capitalisation of $1.86B.

Methodology & sources

Every DCO insider transaction shown on FilingIQ is parsed directly from a public SEC Form 4 XML filing. Insider identity is normalised across reporting variants (CIK changes, name spellings, related-party indirect holdings). The FilingIQ composite score is documented in full on the team page and algo disclosure. Not investment advice; see disclaimer.