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Company profile

Ducommun Inc /de/ Insider Trading

DCO

Every SEC Form 4 insider trading filing for Ducommun Inc /de/ (DCO) since April 2023 — open-market buys and sells by directors and officers, option exercises, and cluster activity, updated as each filing is reported to the SEC. Why 2023?

Exchange
NYSE
Sector
Aircraft Parts & Auxiliary Equipment, NEC
CIK
0000030305
Filings
136
Insiders
16
Last filing
2026-08-18
SEC EDGAR ↗Yahoo Finance ↗Finviz ↗Stock Analysis ↗

Activity summary

No insider transactions in the last 30 days. The most recent was on August 18, 2026, when Stephen G Oswald sold 2,500 shares. 136 filings from 16 insiders are on record below.

Three year balance

Buy and sell value by quarter, Q4 23 to Q3 26. Ducommun Inc /de/ insiders were net sellers in every quarter shown.

PurchasesSales
Q4 23Q1 24Q2 24Q3 24Q4 24Q1 25Q2 25Q3 25Q4 25Q1 26$24.6MQ2 26Q3 26

Bars below the rule are sales, above are purchases. Largest quarter on the chart is $24.6M.

90 day insight

Over the last 90 days, Ducommun Inc /de/ insiders bought $823K (4 transactions) and sold $4.7M (4 transactions).

  • Most active insider: Stephen G Oswald with 9 transactions totaling $5.6M.
  • Largest single sale: $1.8M by Stephen G Oswald on Aug 11, 2026.

Activity is mixed — buys and sales are roughly balanced.

Insider Transactions

Sourced from SEC EDGAR Form 4 filings. Updated hourly.

DateInsiderCompanyTypeSharesPriceValueReturn
Aug 18, 2026Stephen G OswaldDCO
Sale
2,500$203.95$510K-7.8% 1w
Aug 17, 2026Stephen G OswaldDCO
Tax Withholding
6,111$206.98$1.26M-7.8% 1w
Aug 17, 2026Stephen G OswaldDCO
Option Exercise
10,000$32.90$329K-7.8% 1w
Aug 17, 2026Stephen G OswaldDCO
Option Exercise
10,000——-7.8% 1w
Aug 12, 2026Stephen G OswaldDCO
Sale
5,766$201.15$1.16M-15.5% 1m

45 more transactions hidden

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Top insiders

By total value filed.

Suman B. MookerjiSr. V.P., C.F.O.6 filings−$20.6M
Stephen G OswaldChairman, President & CEO9 filings−$6.9M
Richard A BaldridgeVice Chairman1 filing−$1.4M
Jerry L RedondoSr. Vice President, Operations3 filings−$1.1M
Rajiv A. TataV.P., General Counsel3 filings−$401K

Institutional Ownership

Top 13F-HR holders of Ducommun Inc /de/ as of 2026-06-30

↓ decreasing
Total reported AUM
$918.6M
QoQ change
-39.8%
Reporting period
2026-06-30
#1
State Street Corp
CIK 0000093751
$175.0M
945K shares
#2
BlackRock, Inc.
CIK 0002012383
$145.2M
784K shares
#3
BlackRock, Inc.
CIK 0002012383
$113.9M
615K shares

Data source: quarterly 13F-HR filings — institutional holders report positions within 45 days of quarter end. Joined with insider activity above — see who's loading up institutionally while insiders are trading. Full 13F-HR API →

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Form4API, StockholmNot affiliated with the SEC or EDGAR. Data sourced from public EDGAR filings. Not investment advice.

Congressional Trading

Disclosed DCO trades under the STOCK Act

Total trades
3
Purchases
2
Sales
1
Gilbert Ray Cisneros, Jr.
Democrat · House · CA
2 buys
1 sell

Sourced from U.S. House Clerk periodic transaction reports (House coverage only). Trade counts reflect disclosed filings only. The STOCK Act allows up to 45 days between a trade and its disclosure, so this reflects recent disclosures, not real-time trading. Full congressional trading API →

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