DCO

DUCOMMUN INC · Manufacturing · Market cap $2.5B

Insiders sold $2.0M net in the last 90 days ·3 sellers, 0 buyers· latest Form 4 filed Aug 19, 2026

Insider Buying

$0

reported purchases (SEC code P)

Insider Selling

$7.8M

reported sales (SEC code S)

Unique Insiders

6

in the rolling window

Latest filing

Aug 19, 2026

Oswald Stephen G

DUCOMMUN INC (DCO) has 38 SEC Form 4 filings (88 transaction rows) in the rolling window, disclosed by 6 distinct insiders. Most recent filing: Aug 19, 2026.

Inside the rolling window, 6 insiders at DUCOMMUN INC reported no open-market purchases and 11 open-market sales totaling $7.8M. The most active filer is Sr. V.P., C.F.O. Mookerji Suman B. with 3 filings. Insiders have net sold $7.5M over the trailing 6 months. The most recent open-market filing is a sale of 2,500 shares by Chairman, President & CEO Oswald Stephen G, dated Aug 18, 2026, worth $510K.

  • Industry:Aerospace & Defense
  • CEO:Stephen G. Oswald
  • Employees:2,130
  • HQ:Costa Mesa, CA, US
  • IPO:1973-05-03
Source
Sale$510KAug 19SEC ↗
Sale$1.2MAug 13SEC ↗
Sale$90KMay 29SEC ↗
Sale$220KMay 22SEC ↗
Tata Rajiv A.First filing
Sale$234KMay 20SEC ↗
Redondo Jerry LFirst in 5 months
Sale$877KMay 15SEC ↗
Sale$1.4MMar 12SEC ↗
Sale$1.0MMar 10SEC ↗
Mookerji Suman B.First filing
Sale$2.0MMar 6SEC ↗
Sale$186KDec 11SEC ↗
Redondo Jerry LFirst filing
Sale$150KNov 12SEC ↗
Showing 1–11 of 11
1 / 1

Earnings: last 7 quarters

EstimatedActual

Congress trading DCO 6 all-time

  • DRep. Gilbert CisnerosSale$1,001 - $15,0002026-08-07
  • DRep. Gilbert CisnerosPurchase$1,001 - $15,0002026-07-10
  • DRep. Gilbert Ray CisnerosPurchase$1,001 - $15,0002026-07-09
  • DRep. Gilbert CisnerosPurchase$1,001 - $15,0002026-05-18
  • DRep. Gilbert Ray CisnerosPurchase$1,001 - $15,0002026-05-18
  • DRep. Josh S. GottheimerPurchase$1,001 - $15,0002023-10-11

STOCK Act disclosures are filed up to 45 days after the trade. Amount is a disclosed range, not an exact figure.

Frequently asked questions

How many SEC Form 4 insider filings does DCO have?

DUCOMMUN INC (DCO) has 38 SEC Form 4 filings (88 transaction rows) in the rolling 365-day window, disclosed by 6 distinct insiders. Most recent filing: Aug 19, 2026.

When was the most recent SEC Form 4 filing for DCO?

The most recent Form 4 filing for DCO on Tracefour is dated Aug 19, 2026.

Who is the most active insider at DCO?

The most active SEC Form 4 filer at DCO in the rolling window is Sr. V.P., C.F.O. Mookerji Suman B., with 3 filings.

What is the net insider flow at DCO over the last 6 months?

Over the trailing 180 days, insiders at DCO have net sold $7.5M based on SEC Form 4 disclosures.

What is the total insider buy and sell value at DCO in the current window?

Inside the rolling window, insiders at DCO bought $0 and sold $7.8M based on SEC Form 4 filings.

Can I get alerts for DCO insider trading?

Yes. Tracefour sends a free email when a new SEC Form 4 purchase or sale is filed at DUCOMMUN INC (DCO). Alerts are set per company from the page itself, there is no paid tier, and each email links to the original filing on SEC EDGAR.

Related companies

DUCOMMUN INC is in the Manufacturing sector.