DCONYSE

DUCOMMUN INC /DE/

Aircraft Parts & Auxiliary Equipment, NEC · DE · CIK 30305

Ducommun designs and manufactures high-performance electronic and structural products and solutions for aerospace, defense, and industrial markets

red 8-K · 90d

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$2.48B

Market cap

$184.42

Last close

+3.8%

+11.8%

294K

Volume

Price · last 39 sessions+34.6%

May 4L $137.01 · H $184.42Jun 29

243

Total filings

May 12, 2026

Last filing

12/31

Fiscal year end

All 8-K · 141 10-Q · 43 DEF 14A · 15 10-K · 15 DEFA14A · 13 SC 13G · 10 424B5 · 2 SC 13D · 2

Insider Activity

In the 90 days to Mar 10, 2026: 3 sold $4.6M.

Date	Insider	Action	Shares	Price	Value
Mar 10, 2026	Baldridge Richard ADirector	Sell	10,440	$130.83	$1.4M
Mar 10, 2026	Mookerji Suman B.S.V.P., CFO	Sell	7,791	$131.90	$1.0M
Mar 4, 2026	Mookerji Suman B.Sr. V.P., C.F.O.	Sell	14,709	$134.21	$2.0M
Dec 10, 2025	Redondo Jerry LS.V.P., Elec. & Struc. Systems	Sell	2,000	$92.86	$186K
Nov 10, 2025	Redondo Jerry LS.V.P., Elec. & Struc. Systems	Sell	1,594	$93.83	$150K

Open-market buys & sells (Form 4, transaction codes P/S). Source: SEC structured insider data.

What Changed

Risk factors · Feb 27, 2025 → Feb 26, 2026

54 added · 54 removed between the two most recent 10-Ks. The risks a company starts — or stops — disclosing are often the story.

Newly disclosed

(“Spirit”), based on Boeing’s December 8, 2025 announcement confirming the closing of its acquisition of all of Spirit’s Boeing-related commercial operations, comprise a significant portion of our commercial aerospace end-use market in 2025.
As such, during 2025, the United States reached bilateral trade agreements that recognize tariff-free trade of products within the scope of the World Trade Organization Agreement on Trade in Civil Aircraft with the United Kingdom, Japan, and the European Union.
However, the U.S. government subsequently imposed a global tariff of 10% (which could potentially increase to 15%) that went into effect on February 24, 2026, and which would be effective for 150 days unless they are extended by the U.S Congress.
(“TransDigm”), which completed its acquisition of the Simmonds Precision Products, Inc. business of Goodrich Corporation from RTX Corporation based on TransDigm’s announcement on October 6, 2025, in our defense technologies end-use market.
The Settlement Agreement provided for, among other things, the final dismissal of the Guaymas Fire Litigation with prejudice and a release of claims against us in exchange for the issuance of a payment of $150.0 million, $56.0 million of which was funded by our insurance carriers.
For instance, on October 17, 2025, we entered into a settlement agreement (“Settlement Agreement”) to resolve the Guaymas fire litigation (“Guaymas Fire Litigation”) against us.
If the imposition of current tariff levels is sustained, our profitability, cash flows and the estimates inherent in our financial statements could be negatively affected to the extent we are either unable to claim duty exemptions or are unable to pass on such incremental tariffs to our customers.
The actual financial impacts of tariffs are dependent upon various factors, most notably, the scope of goods covered by tariffs, the value of our imports subject to tariffs, the rate of tariffs applied, the timing and duration of tariffs, the implementation of tariff and non-tariff countermeasures by countries subject to U.S. tariffs, and our ability to mitigate the impacts of tariffs by availing ourselves of applicable exemptions.
Changes in any of these factors and actual tariff costs incurred could significantly affect the estimates inherent in our financial statements, including those used in our estimates-at-completion (“EACs”), and estimates supporting the recoverability of our inventories, contract assets, intangible assets, and goodwill, and could have a material effect on our results of operations and cash flows in the periods recognized and paid.
If any of these or other estimates and assumptions are not realized in the future, or if market multiples decline, we may be required to record an impairment charge for goodwill. 19 Table of Contents We also test intangible assets with indefinite life periods for potential impairment annually and on an interim basis if there are indicators of potential impairment.
A breach of any covenant in the 2025 Credit Facilities could result in a default under the 2025 Credit Facilities.
For example, tariffs, duties or other trade policy changes affecting the import or export of raw materials and equipment could increase costs or limit the availability of critical inputs to our business.

No longer disclosed

These restrictions also limit our ability to obtain future financings to withstand a future downturn in our business or the economy in general. 12 Table of Contents A breach of any covenant in the 2022 Credit Facilities could result in a default under the 2022 Credit Facilities.
In our 2023 Form 10-K, we concluded there was a material weakness in our internal control over financial reporting as of December 31, 2023, as we did not design and maintain effective controls over the accuracy of contract terms and the reasonableness of gross margin assumptions used to recognize revenue.
Any significant delay in, or impairment of, our ability to sell products outside of the United States could have a material adverse effect on our business, financial condition and results of operations. 14 Table of Contents Contracts with some of our customers, including Federal government contracts, contain provisions which give our customers a variety of rights that are unfavorable to us and the OEMs to whom we provide products and services, including the ability to terminate a contract at any time for convenience.
See Note 14 and Note 16 to our consolidated financial statements included in Part IV, Item 15(a) of this Form 10-K for further information. 18 Table of Contents Product liability claims in excess of insurance could adversely affect our financial results and financial condition.
The SEC adopted a rule, “Cybersecurity Risk Management, Strategy, Governance, and Incident Disclosure,” that enhances and standardizes disclosures regarding cybersecurity risk management and governance, as well as material cybersecurity incidents.
Companies also must disclose in a Form 8-K, the nature, scope, and timing of any material cybersecurity incidents identified and the material impact or reasonably likely material impact on the company within four business days of determining a cybersecurity incident is material.
In addition, the requirement to report cybersecurity incidents within such a short timeframe could mean there may not be sufficient time to halt a breach before having to report it, potentially giving the hackers an advantage. 19 Table of Contents Unanticipated changes in our tax provision or exposure to additional income tax liabilities could affect our profitability.
In early January 2024, the FAA initiated an investigation into Boeing’s quality control system.
In July 2022, as a result of completing a refinancing of our existing debt, we were required to complete an amendment of all the forward interest rate swaps (“Amended Forward Interest Rate Swaps”) we entered into in November 2021 that were based on U.S. dollar-one month London Interbank Offered Rate (“LIBOR”) to be based on one month Term Secured Overnight Financing Rate (“SOFR”) as borrowings can only be based on SOFR.
Our ability to reduce the debt outstanding under our 2022 Credit Facilities through voluntary principal prepayments will be a contributing factor to our ability to keep our interest rate towards the lower end of the interest rate range as defined in the 2022 Credit Facilities.
Further, in September 2024, the International Association of Machinists and Aerospace Workers District 751 voted to initiate a labor strike affecting more than 30,000 Boeing manufacturing employees primarily located in Washington state, and the manufacturing employees, after rejecting the contract offer in October, voted to approve the revised contract offer in November 2024.
For instance, on December 21, 2024, the U.S. government enacted a continuing resolution (“CR”) to keep the government funded through March 14, 2025 while the Congress works to enact full year fiscal year 2025 (“FY25”) appropriation bills or an additional CR to fund government departments and agencies after March 14, 2025.

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