DUCOMMUN INC /DE/ (DCO)

Data as of Aug 19, 2026, from SEC Form 4 filings.

Net insider selling (90d)Watch DCO

See up to 3 months of DCO. The 7-day demo opens the 1M and 3M ranges and puts DCO on your watchlist.

Latest DCO insider trades

Stephen G. Oswald - Officer
Open-market sale$510K
Aug 18, 2026
Stephen G. Oswald - Officer
Open-market sale$1.16M
Aug 12, 2026

About DUCOMMUN INC /DE/ (DCO)

The SEC lists DUCOMMUN INC /DE/ under CIK 0000030305, in aircraft parts and auxiliary equipment, nec. We track it alongside the rest of the Industrials sector.

Sector: Industrials

SEC filings for DCO on EDGAR

DCO Form 4 activity by transaction type, last 90 days

Form 4 transaction type	Transactions	Shares	Total value
Open-market sale	2	8,266	$1.67M
Option exercise	4	50,000
Tax withholding / forfeiture	2	15,345

DCO insider transactions (Form 4)

43 Form 4 filings on record, the earliest from Nov 7, 2024, newest first. Filing history page 1 of 2.

Date	Insider	Transaction	Security	Shares	Price	Value
Aug 17, 2026	Stephen G. Oswald - Officer	Option exercise	Common Stock	10,000	$32.90	$329K
Aug 17, 2026	Stephen G. Oswald - Officer	Tax withholding / forfeiture	Common Stock	6,111	$206.98	$1.26M
Aug 18, 2026	Stephen G. Oswald - Officer	Open-market sale	Common Stock	2,500	$203.95^{footnote F1}	$510K
Aug 17, 2026	Stephen G. Oswald - Officer	Option exercise	Option - Right to Buy	10,000	$0.00	-
Footnote F1 (price): This transaction was executed in multiple trades at prices ranging from $202.49 to $204.80. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the SEC staff, the Issuer or a security holder, full… Full note on SEC EDGAR
Aug 11, 2026	Stephen G. Oswald - Officer	Option exercise	Common Stock	15,000	$32.90	$494K
Aug 11, 2026	Stephen G. Oswald - Officer	Tax withholding / forfeiture	Common Stock	9,234	$194.85	$1.80M
Aug 12, 2026	Stephen G. Oswald - Officer	Open-market sale	Common Stock	5,766	$201.15^{footnote F1}	$1.16M
Aug 12, 2026	Stephen G. Oswald - Officer	Gift	Common Stock	3,400^{footnote F2}	$0.00	-
Aug 11, 2026	Stephen G. Oswald - Officer	Option exercise	Option - Right to Buy	15,000	$0.00	-
Footnote F1 (price): This transaction was executed in multiple trades at prices ranging from $200.15 to $202.08. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the SEC staff, the Issuer or a security holder, full… Full note on SEC EDGAR Footnote F2 (shares): The number of shares gifted on August 12, 2026 was inadvertently identified as 2,244 shares, which has been corrected above.
Jun 11, 2026	Stephen G. Oswald - Officer	Gift	Common Stock	1,920	$0.00	-
May 28, 2026	Laureen S. Gonzalez - Officer	Open-market sale	Common Stock	589^{footnote F1}	$151.99^{footnote F2}	$90K
Footnote F1 (shares): The reported sale was consummated to satisfy the Reporting Person's obligations in connection with the operation of the Issuer's Second Amended and Restated Clawback Policy (the "Clawback Policy") with respect to the restatement and revision of the Issuer's previously issued… Full note on SEC EDGAR Footnote F2 (price): All shares were sold at the exact price indicated. The average sales price calculation is not applicable.
May 28, 2026	Stephen G. Oswald - Officer	Gift	Common Stock	2,034	$0.00	-
May 27, 2026	Samara A. Strycker	Grant or award	Common Stock	1,200	$0.00	-
May 27, 2026	Sheila G. Kramer	Grant or award	Common Stock	1,200	$0.00	-
May 27, 2026	Daniel G. Korte	Grant or award	Common Stock	1,200	$0.00	-
May 27, 2026	Shirley Drazba	Grant or award	Common Stock	1,200	$0.00	-
May 27, 2026	Mark A. Caylor	Grant or award	Common Stock	1,200	$0.00	-
May 27, 2026	David B. Carter	Grant or award	Common Stock	1,200	$0.00	-
May 27, 2026	Daniel L. Boehle	Grant or award	Common Stock	1,200	$0.00	-
May 20, 2026	Suman B. Mookerji - Officer	Open-market sale	Common Stock	1,514^{footnote F1}	$145.00^{footnote F2}	$220K
Footnote F1 (shares): The reported sale was consummated to satisfy the Reporting Person's obligations in connection with the operation of the Issuer's Second Amended and Restated Clawback Policy (the "Clawback Policy") with respect to the restatement and revision of the Issuer's previously issued… Full note on SEC EDGAR Footnote F2 (price): All shares were sold at the exact price indicated. The average sales price calculation is not applicable.
May 20, 2026	Stephen G. Oswald - Officer	Gift	Common Stock	3,700	$0.00	-
May 20, 2026	Stephen G. Oswald - Officer	Derivative	Common Stock	16,314^{footnote F1}	$143.20^{footnote F1}	$2.34M
Footnote F1 (price, shares): In connection with the operation of the Issuer's Second Amended and Restated Clawback Policy (the "Clawback Policy") with respect to the restatement and revision of the Issuer's previously issued financial statements, as reported in the Issuer's Current Report on Form 8-K filed… Full note on SEC EDGAR
May 20, 2026	Rajiv A. Tata - Officer	Open-market sale	Common Stock	1,612^{footnote F1}	$145.00^{footnote F2}	$234K
Footnote F1 (shares): The reported sale was consummated to satisfy the Reporting Person's obligations in connection with the operation of the Issuer's Second Amended and Restated Clawback Policy (the "Clawback Policy") with respect to the restatement and revision of the Issuer's previously issued… Full note on SEC EDGAR Footnote F2 (price): All shares were sold at the exact price indicated. The average sales price calculation is not applicable.
May 14, 2026	Suman B. Mookerji - Officer	Tax withholding / forfeiture	Common Stock	1,239	$15,159.00	$18.78M
May 14, 2026	Suman B. Mookerji - Officer	Derivative	Common Stock	1,259	-	-
May 15, 2026	Suman B. Mookerji - Officer	Option exercise	Common Stock	7,500	$40.44	$303K
May 15, 2026	Suman B. Mookerji - Officer	Tax withholding / forfeiture	Common Stock	4,783	$151.59	$725K
May 15, 2026	Suman B. Mookerji - Officer	Option exercise	Option - Right to Buy	7,500	$0.00	-
May 14, 2026	Rajiv A. Tata - Officer	Tax withholding / forfeiture	Common Stock	549^{footnote F1}	$151.59	$83K
May 14, 2026	Rajiv A. Tata - Officer	Derivative	Common Stock	558^{footnote F2}	-^{footnote F2}	-
Footnote F1 (shares): Represents a reduction in shares to satisfy the tax withholding obligations of the Issuer with respect to the settlement, on May 14, 2026, of 1,107 restricted stock units. Footnote F2 (price, shares): In connection with the operation of the Issuer's Second Amended and Restated Clawback Policy (the "Clawback Policy") with respect to the restatement and revision of the Issuer's previously issued financial statements, as reported in the Issuer's Form 8-K filed on May 1, 2026… Full note on SEC EDGAR
May 14, 2026	Laureen S. Gonzalez - Officer	Tax withholding / forfeiture	Common Stock	321^{footnote F1}	$151.59	$49K
May 14, 2026	Laureen S. Gonzalez - Officer	Derivative	Common Stock	326^{footnote F2}	-^{footnote F2}	-
Footnote F1 (shares): Represents a reduction in shares to satisfy the tax withholding obligations of the Issuer with respect to the settlement, on May 14, 2026, of 647 restricted stock units. Footnote F2 (price, shares): In connection with the operation of the Issuer's Second Amended and Restated Clawback Policy (the "Clawback Policy") with respect to the restatement and revision of the Issuer's previously issued financial statements, as reported in the Issuer's Form 8-K filed on May 1, 2026… Full note on SEC EDGAR
May 15, 2026	Suman B. Mookerji - Officer	Option exercise	Common Stock	7,500	$40.44	$303K
May 15, 2026	Suman B. Mookerji - Officer	Tax withholding / forfeiture	Common Stock	4,728	$151.59	$717K
May 14, 2026	Suman B. Mookerji - Officer	Tax withholding / forfeiture	Common Stock	1,239^{footnote F1}	$151.59	$188K
May 14, 2026	Suman B. Mookerji - Officer	Derivative	Common Stock	1,259^{footnote F2}	-^{footnote F2}	-
May 15, 2026	Suman B. Mookerji - Officer	Option exercise	Option - Right to Buy	7,500	$0.00	-
Footnote F1 (shares): Represents a reduction in shares to satisfy the tax withholding obligations of the Issuer with respect to the settlement, on May 14, 2026 of 2,498 restricted stock units. Footnote F2 (price, shares): In connection with the operation of the Issuer's Second Amended and Restated Clawback Policy (the "Clawback Policy") with respect to the restatement and revision of the Issuer's previously issued financial statements, as reported in the Issuer's Form 8-K filed on May 1, 2026… Full note on SEC EDGAR
May 14, 2026	Jerry L. Redondo - Officer	Tax withholding / forfeiture	Common Stock	898^{footnote F1}	$151.59	$136K
May 14, 2026	Jerry L. Redondo - Officer	Derivative	Common Stock	912^{footnote F2}	-^{footnote F2}	-
May 14, 2026	Jerry L. Redondo - Officer	Open-market sale	Common Stock	5,682^{footnote F3}	$154.36^{footnote F4}	$877K
Footnote F1 (shares): Represents a reduction in shares to satisfy the tax withholding obligations of the Issuer with respect to the settlement, on May 14, 2026, of 1,810 restricted stock units. Footnote F2 (price, shares): In connection with the operation of the Issuer's Second Amended and Restated Clawback Policy (the "Clawback Policy") with respect to the restatement and revision of the Issuer's previously issued financial statements, as reported in the Issuer's Form 8-K filed on May 1, 2026… Full note on SEC EDGAR Footnote F3 (shares): The reported sale was consummated to satisfy the Reporting Person's obligations in connection with the operation of the Issuer's Second Amended and Restated Clawback Policy (the "Clawback Policy") with respect to the restatement and revision of the Issuer's previously issued… Full note on SEC EDGAR Footnote F4 (price): All shares were sold at the exact price indicated. The average sales price calculation is not applicable.
May 14, 2026	Stephen G. Oswald - Officer	Tax withholding / forfeiture	Common Stock	2,185^{footnote F1}	$151.59	$331K
May 14, 2026	Stephen G. Oswald - Officer	Derivative	Common Stock	2,221^{footnote F2}	-^{footnote F2}	-
Footnote F1 (shares): Represents a reduction in shares to satisfy the tax withholding obligations of the Issuer with respect to the settlement, on May 14, 2026, of 4,406 restricted stock units. Footnote F2 (price, shares): In connection with the operation of the Issuer's Second Amended and Restated Clawback Policy (the "Clawback Policy") with respect to the restatement and revision of the Issuer's previously issued financial statements, as reported in the Issuer's Form 8-K filed on May 1, 2026… Full note on SEC EDGAR
May 8, 2026	Rajiv A. Tata - Officer	Tax withholding / forfeiture	Common Stock	616^{footnote F1}	$137.23	$85K
May 8, 2026	Rajiv A. Tata - Officer	Derivative	Common Stock	625^{footnote F2}	-^{footnote F2}	-
Footnote F1 (shares): Represents a reduction in shares to satisfy the tax withholding obligations of the Issuer with respect to the settlement, on May 8, 2026, of 1,241 restricted stock units. Footnote F2 (price, shares): In connection with the operation of the Issuer's Second Amended and Restated Clawback Policy (the "Clawback Policy") with respect to the restatement and revision of the Issuer's previously issued financial statements, as reported in the Issuer's Form 8-K filed on May 1, 2026… Full note on SEC EDGAR
May 8, 2026	Laureen S. Gonzalez - Officer	Tax withholding / forfeiture	Common Stock	312^{footnote F1}	$137.23	$43K
May 8, 2026	Laureen S. Gonzalez - Officer	Derivative	Common Stock	317^{footnote F2}	-^{footnote F2}	-
Footnote F1 (shares): Represents a reduction in shares to satisfy the tax withholding obligations of the Issuer with respect to the settlement, on May 8, 2026, of 629 restricted stock units. Footnote F2 (price, shares): In connection with the operation of the Issuer's Second Amended and Restated Clawback Policy (the "Clawback Policy") with respect to the restatement and revision of the Issuer's previously issued financial statements, as reported in the Issuer's Form 8-K filed on May 1, 2026… Full note on SEC EDGAR
May 8, 2026	Jerry L. Redondo - Officer	Tax withholding / forfeiture	Common Stock	748^{footnote F1}	$137.23	$103K
May 8, 2026	Jerry L. Redondo - Officer	Derivative	Common Stock	759^{footnote F2}	-^{footnote F2}	-
Footnote F1 (shares): Represents a reduction in shares to satisfy the tax withholding obligations of the Issuer with respect to the settlement, on May 8, 2026, of 1,507 restricted stock units. Footnote F2 (price, shares): In connection with the operation of the Issuer's Second Amended and Restated Clawback Policy (the "Clawback Policy") with respect to the restatement and revision of the Issuer's previously issued financial statements, as reported in the Issuer's Form 8-K filed on May 1, 2026… Full note on SEC EDGAR
May 8, 2026	Suman B. Mookerji - Officer	Tax withholding / forfeiture	Common Stock	1,155^{footnote F1}	$137.23	$159K
May 8, 2026	Suman B. Mookerji - Officer	Derivative	Common Stock	1,174^{footnote F2}	-^{footnote F2}	-
Footnote F1 (shares): Represents a reduction in shares to satisfy the tax withholding obligations of the Issuer with respect to the settlement, on May , 2026 of 2,329 restricted stock units. Footnote F2 (price, shares): In connection with the operation of the Issuer's Second Amended and Restated Clawback Policy (the "Clawback Policy") with respect to the restatement and revision of the Issuer's previously issued financial statements, as reported in the Issuer's Form 8-K filed on May 1, 2026… Full note on SEC EDGAR
May 8, 2026	Stephen G. Oswald - Officer	Tax withholding / forfeiture	Common Stock	2,546^{footnote F1}	$137.23	$349K
May 8, 2026	Stephen G. Oswald - Officer	Derivative	Common Stock	2,589^{footnote F2}	-^{footnote F2}	-
Footnote F1 (shares): Represents a reduction in shares to satisfy the tax withholding obligations of the Issuer with respect to the settlement, on May 8, 2026, of 5,135 restricted stock units. Footnote F2 (price, shares): In connection with the operation of the Issuer's Second Amended and Restated Clawback Policy (the "Clawback Policy") with respect to the restatement and revision of the Issuer's previously issued financial statements, as reported in the Issuer's Form 8-K filed on May 1, 2026… Full note on SEC EDGAR
Mar 10, 2026	Richard A. Baldridge	Open-market sale	Common Stock	10,440	$130.83^{footnote F1}	$1.37M
Footnote F1 (price): This transaction was executed in multiple trades at prices ranging from $130.00 to $132.41. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the SEC staff, the Issuer or a security holder, full… Full note on SEC EDGAR
Mar 10, 2026	Suman B. Mookerji - Officer	Open-market sale	Common Stock	7,791	$131.90^{footnote F1}	$1.03M
Footnote F1 (price): This transaction was executed in multiple trades at prices ranging from 130.19 to 133.01. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the SEC staff, the Issuer or a security holder, full… Full note on SEC EDGAR
Mar 4, 2026	Rajiv A. Tata - Officer	Tax withholding / forfeiture	Common Stock	4,097^{footnote F4}	$139.45	$571K
Mar 5, 2026	Rajiv A. Tata - Officer	Tax withholding / forfeiture	Common Stock	615^{footnote F5}	$130.19	$80K
Mar 5, 2026	Rajiv A. Tata - Officer	Option exercise	Option - Right to Purchase	5,840	$0.00	-
Mar 5, 2026	Rajiv A. Tata - Officer	Option exercise	Option - Right to Purchase	2,500	$139.45	$349K
Mar 5, 2026	Rajiv A. Tata - Officer	Option exercise	Option - Right to Purchase	1,833	$139.45	$256K
Mar 4, 2026	Rajiv A. Tata - Officer	Grant or award	Common Stock	1,489	$0.00	-
Mar 5, 2026	Rajiv A. Tata - Officer	Option exercise	Common Stock	5,840	$42.25	$247K
Mar 5, 2026	Rajiv A. Tata - Officer	Tax withholding / forfeiture	Common Stock	3,958	$139.45	$552K
Mar 5, 2026	Rajiv A. Tata - Officer	Option exercise	Common Stock	2,500	$40.44	$101K
Mar 5, 2026	Rajiv A. Tata - Officer	Tax withholding / forfeiture	Common Stock	1,680	$139.45	$234K
Mar 5, 2026	Rajiv A. Tata - Officer	Option exercise	Common Stock	1,833	$32.90	$60K
Mar 5, 2026	Rajiv A. Tata - Officer	Tax withholding / forfeiture	Common Stock	1,186	$139.45	$165K
Mar 4, 2026	Rajiv A. Tata - Officer	Grant or award	Common Stock	7,622^{footnote F1}	$0.00^{footnote F2}	-
Footnote F1 (shares): Acquired upon the settlement of performance stock units granted on May 8, 2023 under the Ducommun Incorporated Stock Incentive Plan as a result of the satisfaction of performance metrics underlying the award. Footnote F2 (price): Granted as compensation for services. Footnote F4 (shares): Represents a reduction in shares to satisfy the tax withholding obligations of the Issuer with respect to the settlement, on March 4, 2026, of 7,622 performance stock units as described in footnote (1) above. Footnote F5 (shares): Represents a reduction in shares to satisfy the tax withholding obligations of the Issuer with respect to the settlement, on March 5, 2026, of 1,143 restricted stock units.
Mar 5, 2026	Laureen S. Gonzalez - Officer	Tax withholding / forfeiture	Common Stock	360^{footnote F5}	$130.19	$47K
Mar 4, 2026	Laureen S. Gonzalez - Officer	Grant or award	Common Stock	871	$0.00	-
Mar 4, 2026	Laureen S. Gonzalez - Officer	Grant or award	Common Stock	3,864^{footnote F1}	$0.00^{footnote F2}	-
Mar 4, 2026	Laureen S. Gonzalez - Officer	Tax withholding / forfeiture	Common Stock	2,077^{footnote F4}	$139.45	$290K
Footnote F1 (shares): Acquired upon the settlement of performance stock units granted on May 8, 2023 under the Ducommun Incorporated Stock Incentive Plan as a result of the satisfaction of performance metrics underlying the award. Footnote F2 (price): Granted as compensation for services. Footnote F4 (shares): Represents a reduction in shares to satisfy the tax withholding obligations of the Issuer with respect to the settlement, on March 4, 2026, of 3,864 performance stock units as described in footnote (1) above. Footnote F5 (shares): Represents a reduction in shares to satisfy the tax withholding obligations of the Issuer with respect to the settlement, on March 5, 2026, of 668 restricted stock units.

Recent DCO Form 8-K filings

Read DCO company news

Aug 6, 2026Item 2.02, 9.01

Read the filing on SEC EDGAR

May 12, 2026Item 2.02, 9.01

Read the filing on SEC EDGAR

May 4, 2026Item 5.02, 7.01, 9.01

Read the filing on SEC EDGAR

May 1, 2026Item 4.02

Read the filing on SEC EDGAR

Recent DCO Form 144 notices of proposed sale

An insider files Form 144 before selling restricted or control stock. It announces a planned sale. If the sale goes ahead, it shows up later on a Form 4.

Filed	Filer	Relationship	Shares	Market value	Notice
Aug 18, 2026	STEPHEN OSWALD	Officer, Director	2,500	$510K	View on EDGAR
Aug 12, 2026	STEPHEN OSWALD	Officer, Director	5,766

Congress trades in DCO

All congress trades

Stock trades in DCO disclosed by members of the U.S. House in the last 12 months, newest first. Values are the ranges as filed.

Member	Type	Traded	Disclosed	Value range	Owner	Days to disclose	Filing
Gilbert Ray Cisneros, Jr.Democrat, CA-31	Sale (partial)

DCO insider trading FAQ

What is the latest insider trade for DCO?

DUCOMMUN INC /DE/ (DCO) had 2 insider filings in the last 90 days, with the most recent on 2026-08-19. The full record for DCO runs to 43 Form 4 filings, the earliest from 2024-11-07. InsiderAlpha adds new Form 4, Form 144 and 8-K filings as they arrive from SEC EDGAR.

How many insiders are buying DCO stock?

No insider purchases of DCO were filed in the last 90 days.

How many insiders are selling DCO stock?

2 insider sales of DCO were filed in the last 90 days, totaling $1.67M.

Where can I see DCO SEC filings (Form 4, 10-K, 10-Q, 8-K)?

This page collects DCO Form 4 insider transactions, Form 144 sale notices and 8-K filings in one place. Annual 10-K and quarterly 10-Q reports live on the company's SEC EDGAR page.

More Industrials companies with insider activity

Recent insider filings

The EDGAR links open each original Form 4, so you can check any number on this page against the filing it came from.

Aug 19, 2026 - Stephen G. Oswald view on EDGAR
Aug 13, 2026 - Stephen G. Oswald view on EDGAR
Jun 11, 2026 - Stephen G. Oswald view on EDGAR
May 29, 2026 - Laureen S. Gonzalez view on EDGAR
May 29, 2026 - Stephen G. Oswald view on EDGAR
May 29, 2026 - Samara A. Strycker view on EDGAR
May 29, 2026 - Sheila G. Kramer view on EDGAR
May 29, 2026 - Daniel G. Korte view on EDGAR
May 29, 2026 - Shirley Drazba view on EDGAR

Related companies with recent insider activity

Learn more

Insider selling: signal or noise?: Why most insider sales are routine, and the few patterns worth a second look.
Form 144 vs Form 4: A Form 144 announces a planned sale; the Form 4 reports it after it happens.
Insider activity in Industrials: Where DCO's peers are being bought and sold.
Every recent Form 4: The market-wide feed, updated as filings arrive from SEC EDGAR.

Follow DCO with a 7-day demo

DCO on your watchlist
Every DCO Form 4 filing on record
Up to 3 months of DCO price history
The daily trading plan of ranked insider buys, on a delay, with the plan archive

Start 7-day demoCard required. Your card is never charged for the demo.

Form 4 transaction type

Transactions

Total value

Open-market sale

8,266

$1.67M

Option exercise

50,000

Tax withholding / forfeiture

15,345

Date

Insider

Transaction

Security

Price

Value

Aug 17, 2026

Stephen G. Oswald - Officer

Option exercise

Common Stock

10,000

$32.90

$329K

Aug 17, 2026

Stephen G. Oswald - Officer

Tax withholding / forfeiture

Common Stock

6,111

$206.98

$1.26M

Aug 18, 2026

Stephen G. Oswald - Officer

Open-market sale

Common Stock

2,500

$203.95^{footnote F1}

$510K

Aug 17, 2026

Stephen G. Oswald - Officer

Option exercise

Option - Right to Buy

10,000

$0.00

Footnote F1 (price): This transaction was executed in multiple trades at prices ranging from $202.49 to $204.80. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the SEC staff, the Issuer or a security holder, full… Full note on SEC EDGAR

Aug 11, 2026

Stephen G. Oswald - Officer

Option exercise

Common Stock

15,000

$32.90

$494K

Aug 11, 2026

Stephen G. Oswald - Officer

Tax withholding / forfeiture

Common Stock

9,234

$194.85

$1.80M

Aug 12, 2026

Stephen G. Oswald - Officer

Open-market sale

Common Stock

5,766

$201.15^{footnote F1}

$1.16M

Aug 12, 2026

Stephen G. Oswald - Officer

Gift

Common Stock

3,400^{footnote F2}

$0.00

Aug 11, 2026

Stephen G. Oswald - Officer

Option exercise

Option - Right to Buy

15,000

$0.00

Footnote F1 (price): This transaction was executed in multiple trades at prices ranging from $200.15 to $202.08. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the SEC staff, the Issuer or a security holder, full… Full note on SEC EDGAR
Footnote F2 (shares): The number of shares gifted on August 12, 2026 was inadvertently identified as 2,244 shares, which has been corrected above.

Jun 11, 2026

Stephen G. Oswald - Officer

Gift

Common Stock

1,920

$0.00

May 28, 2026

Laureen S. Gonzalez - Officer

Open-market sale

Common Stock

589^{footnote F1}

$151.99^{footnote F2}

$90K

Footnote F1 (shares): The reported sale was consummated to satisfy the Reporting Person's obligations in connection with the operation of the Issuer's Second Amended and Restated Clawback Policy (the "Clawback Policy") with respect to the restatement and revision of the Issuer's previously issued… Full note on SEC EDGAR
Footnote F2 (price): All shares were sold at the exact price indicated. The average sales price calculation is not applicable.

May 28, 2026

Stephen G. Oswald - Officer

Gift

Common Stock

2,034

$0.00

May 27, 2026

Samara A. Strycker

Grant or award

Common Stock

1,200

$0.00

May 27, 2026

Sheila G. Kramer

Grant or award

Common Stock

1,200

$0.00

May 27, 2026

Daniel G. Korte

Grant or award

Common Stock

1,200

$0.00

May 27, 2026

Shirley Drazba

Grant or award

Common Stock

1,200

$0.00

May 27, 2026

Mark A. Caylor

Grant or award

Common Stock

1,200

$0.00

May 27, 2026

David B. Carter

Grant or award

Common Stock

1,200

$0.00

May 27, 2026

Daniel L. Boehle

Grant or award

Common Stock

1,200

$0.00

May 20, 2026

Suman B. Mookerji - Officer

Open-market sale

Common Stock

1,514^{footnote F1}

$145.00^{footnote F2}

$220K

Footnote F1 (shares): The reported sale was consummated to satisfy the Reporting Person's obligations in connection with the operation of the Issuer's Second Amended and Restated Clawback Policy (the "Clawback Policy") with respect to the restatement and revision of the Issuer's previously issued… Full note on SEC EDGAR
Footnote F2 (price): All shares were sold at the exact price indicated. The average sales price calculation is not applicable.

May 20, 2026

Stephen G. Oswald - Officer

Gift

Common Stock

3,700

$0.00

May 20, 2026

Stephen G. Oswald - Officer

Derivative

Common Stock

16,314^{footnote F1}

$143.20^{footnote F1}

$2.34M

Footnote F1 (price, shares): In connection with the operation of the Issuer's Second Amended and Restated Clawback Policy (the "Clawback Policy") with respect to the restatement and revision of the Issuer's previously issued financial statements, as reported in the Issuer's Current Report on Form 8-K filed… Full note on SEC EDGAR

May 20, 2026

Rajiv A. Tata - Officer

Open-market sale

Common Stock

1,612^{footnote F1}

$145.00^{footnote F2}

$234K

Footnote F1 (shares): The reported sale was consummated to satisfy the Reporting Person's obligations in connection with the operation of the Issuer's Second Amended and Restated Clawback Policy (the "Clawback Policy") with respect to the restatement and revision of the Issuer's previously issued… Full note on SEC EDGAR
Footnote F2 (price): All shares were sold at the exact price indicated. The average sales price calculation is not applicable.

May 14, 2026

Suman B. Mookerji - Officer

Tax withholding / forfeiture

Common Stock

1,239

$15,159.00

$18.78M

May 14, 2026

Suman B. Mookerji - Officer

Derivative

Common Stock

1,259

May 15, 2026

Suman B. Mookerji - Officer

Option exercise

Common Stock

7,500

$40.44

$303K

May 15, 2026

Suman B. Mookerji - Officer

Tax withholding / forfeiture

Common Stock

4,783

$151.59

$725K

May 15, 2026

Suman B. Mookerji - Officer

Option exercise

Option - Right to Buy

7,500

$0.00

May 14, 2026

Rajiv A. Tata - Officer

Tax withholding / forfeiture

Common Stock

549^{footnote F1}

$151.59

$83K

May 14, 2026

Rajiv A. Tata - Officer

Derivative

Common Stock

558^{footnote F2}

-^{footnote F2}

Footnote F1 (shares): Represents a reduction in shares to satisfy the tax withholding obligations of the Issuer with respect to the settlement, on May 14, 2026, of 1,107 restricted stock units.
Footnote F2 (price, shares): In connection with the operation of the Issuer's Second Amended and Restated Clawback Policy (the "Clawback Policy") with respect to the restatement and revision of the Issuer's previously issued financial statements, as reported in the Issuer's Form 8-K filed on May 1, 2026… Full note on SEC EDGAR

May 14, 2026

Laureen S. Gonzalez - Officer

Tax withholding / forfeiture

Common Stock

321^{footnote F1}

$151.59

$49K

May 14, 2026

Laureen S. Gonzalez - Officer

Derivative

Common Stock

326^{footnote F2}

-^{footnote F2}

Footnote F1 (shares): Represents a reduction in shares to satisfy the tax withholding obligations of the Issuer with respect to the settlement, on May 14, 2026, of 647 restricted stock units.
Footnote F2 (price, shares): In connection with the operation of the Issuer's Second Amended and Restated Clawback Policy (the "Clawback Policy") with respect to the restatement and revision of the Issuer's previously issued financial statements, as reported in the Issuer's Form 8-K filed on May 1, 2026… Full note on SEC EDGAR

May 15, 2026

Suman B. Mookerji - Officer

Option exercise

Common Stock

7,500

$40.44

$303K

May 15, 2026

Suman B. Mookerji - Officer

Tax withholding / forfeiture

Common Stock

4,728

$151.59

$717K

May 14, 2026

Suman B. Mookerji - Officer

Tax withholding / forfeiture

Common Stock

1,239^{footnote F1}

$151.59

$188K

May 14, 2026

Suman B. Mookerji - Officer

Derivative

Common Stock

1,259^{footnote F2}

-^{footnote F2}

May 15, 2026

Suman B. Mookerji - Officer

Option exercise

Option - Right to Buy

7,500

$0.00

Footnote F1 (shares): Represents a reduction in shares to satisfy the tax withholding obligations of the Issuer with respect to the settlement, on May 14, 2026 of 2,498 restricted stock units.
Footnote F2 (price, shares): In connection with the operation of the Issuer's Second Amended and Restated Clawback Policy (the "Clawback Policy") with respect to the restatement and revision of the Issuer's previously issued financial statements, as reported in the Issuer's Form 8-K filed on May 1, 2026… Full note on SEC EDGAR

May 14, 2026

Jerry L. Redondo - Officer

Tax withholding / forfeiture

Common Stock

898^{footnote F1}

$151.59

$136K

May 14, 2026

Jerry L. Redondo - Officer

Derivative

Common Stock

912^{footnote F2}

-^{footnote F2}

May 14, 2026

Jerry L. Redondo - Officer

Open-market sale

Common Stock

5,682^{footnote F3}

$154.36^{footnote F4}

$877K

Footnote F1 (shares): Represents a reduction in shares to satisfy the tax withholding obligations of the Issuer with respect to the settlement, on May 14, 2026, of 1,810 restricted stock units.
Footnote F2 (price, shares): In connection with the operation of the Issuer's Second Amended and Restated Clawback Policy (the "Clawback Policy") with respect to the restatement and revision of the Issuer's previously issued financial statements, as reported in the Issuer's Form 8-K filed on May 1, 2026… Full note on SEC EDGAR
Footnote F3 (shares): The reported sale was consummated to satisfy the Reporting Person's obligations in connection with the operation of the Issuer's Second Amended and Restated Clawback Policy (the "Clawback Policy") with respect to the restatement and revision of the Issuer's previously issued… Full note on SEC EDGAR
Footnote F4 (price): All shares were sold at the exact price indicated. The average sales price calculation is not applicable.

May 14, 2026

Stephen G. Oswald - Officer

Tax withholding / forfeiture

Common Stock

2,185^{footnote F1}

$151.59

$331K

May 14, 2026

Stephen G. Oswald - Officer

Derivative

Common Stock

2,221^{footnote F2}

-^{footnote F2}

Footnote F1 (shares): Represents a reduction in shares to satisfy the tax withholding obligations of the Issuer with respect to the settlement, on May 14, 2026, of 4,406 restricted stock units.
Footnote F2 (price, shares): In connection with the operation of the Issuer's Second Amended and Restated Clawback Policy (the "Clawback Policy") with respect to the restatement and revision of the Issuer's previously issued financial statements, as reported in the Issuer's Form 8-K filed on May 1, 2026… Full note on SEC EDGAR

May 8, 2026

Rajiv A. Tata - Officer

Tax withholding / forfeiture

Common Stock

616^{footnote F1}

$137.23

$85K

May 8, 2026

Rajiv A. Tata - Officer

Derivative

Common Stock

625^{footnote F2}

-^{footnote F2}

Footnote F1 (shares): Represents a reduction in shares to satisfy the tax withholding obligations of the Issuer with respect to the settlement, on May 8, 2026, of 1,241 restricted stock units.
Footnote F2 (price, shares): In connection with the operation of the Issuer's Second Amended and Restated Clawback Policy (the "Clawback Policy") with respect to the restatement and revision of the Issuer's previously issued financial statements, as reported in the Issuer's Form 8-K filed on May 1, 2026… Full note on SEC EDGAR

May 8, 2026

Laureen S. Gonzalez - Officer

Tax withholding / forfeiture

Common Stock

312^{footnote F1}

$137.23

$43K

May 8, 2026

Laureen S. Gonzalez - Officer

Derivative

Common Stock

317^{footnote F2}

-^{footnote F2}

Footnote F1 (shares): Represents a reduction in shares to satisfy the tax withholding obligations of the Issuer with respect to the settlement, on May 8, 2026, of 629 restricted stock units.
Footnote F2 (price, shares): In connection with the operation of the Issuer's Second Amended and Restated Clawback Policy (the "Clawback Policy") with respect to the restatement and revision of the Issuer's previously issued financial statements, as reported in the Issuer's Form 8-K filed on May 1, 2026… Full note on SEC EDGAR

May 8, 2026

Jerry L. Redondo - Officer

Tax withholding / forfeiture

Common Stock

748^{footnote F1}

$137.23

$103K

May 8, 2026

Jerry L. Redondo - Officer

Derivative

Common Stock

759^{footnote F2}

-^{footnote F2}

Footnote F1 (shares): Represents a reduction in shares to satisfy the tax withholding obligations of the Issuer with respect to the settlement, on May 8, 2026, of 1,507 restricted stock units.
Footnote F2 (price, shares): In connection with the operation of the Issuer's Second Amended and Restated Clawback Policy (the "Clawback Policy") with respect to the restatement and revision of the Issuer's previously issued financial statements, as reported in the Issuer's Form 8-K filed on May 1, 2026… Full note on SEC EDGAR

May 8, 2026

Suman B. Mookerji - Officer

Tax withholding / forfeiture

Common Stock

1,155^{footnote F1}

$137.23

$159K

May 8, 2026

Suman B. Mookerji - Officer

Derivative

Common Stock

1,174^{footnote F2}

-^{footnote F2}

Footnote F1 (shares): Represents a reduction in shares to satisfy the tax withholding obligations of the Issuer with respect to the settlement, on May , 2026 of 2,329 restricted stock units.
Footnote F2 (price, shares): In connection with the operation of the Issuer's Second Amended and Restated Clawback Policy (the "Clawback Policy") with respect to the restatement and revision of the Issuer's previously issued financial statements, as reported in the Issuer's Form 8-K filed on May 1, 2026… Full note on SEC EDGAR

May 8, 2026

Stephen G. Oswald - Officer

Tax withholding / forfeiture

Common Stock

2,546^{footnote F1}

$137.23

$349K

May 8, 2026

Stephen G. Oswald - Officer

Derivative

Common Stock

2,589^{footnote F2}

-^{footnote F2}

Footnote F1 (shares): Represents a reduction in shares to satisfy the tax withholding obligations of the Issuer with respect to the settlement, on May 8, 2026, of 5,135 restricted stock units.
Footnote F2 (price, shares): In connection with the operation of the Issuer's Second Amended and Restated Clawback Policy (the "Clawback Policy") with respect to the restatement and revision of the Issuer's previously issued financial statements, as reported in the Issuer's Form 8-K filed on May 1, 2026… Full note on SEC EDGAR

Mar 10, 2026

Richard A. Baldridge

Open-market sale

Common Stock

10,440

$130.83^{footnote F1}

$1.37M

Footnote F1 (price): This transaction was executed in multiple trades at prices ranging from $130.00 to $132.41. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the SEC staff, the Issuer or a security holder, full… Full note on SEC EDGAR

Mar 10, 2026

Suman B. Mookerji - Officer

Open-market sale

Common Stock

7,791

$131.90^{footnote F1}

$1.03M

Footnote F1 (price): This transaction was executed in multiple trades at prices ranging from 130.19 to 133.01. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the SEC staff, the Issuer or a security holder, full… Full note on SEC EDGAR

Mar 4, 2026

Rajiv A. Tata - Officer

Tax withholding / forfeiture

Common Stock

4,097^{footnote F4}

$139.45

$571K

Mar 5, 2026

Rajiv A. Tata - Officer

Tax withholding / forfeiture

Common Stock

615^{footnote F5}

$130.19

$80K

Mar 5, 2026

Rajiv A. Tata - Officer

Option exercise

Option - Right to Purchase

5,840

$0.00

Mar 5, 2026

Rajiv A. Tata - Officer

Option exercise

Option - Right to Purchase

2,500

$139.45

$349K

Mar 5, 2026

Rajiv A. Tata - Officer

Option exercise

Option - Right to Purchase

1,833

$139.45

$256K

Mar 4, 2026

Rajiv A. Tata - Officer

Grant or award

Common Stock

1,489

$0.00

Mar 5, 2026

Rajiv A. Tata - Officer

Option exercise

Common Stock

5,840

$42.25

$247K

Mar 5, 2026

Rajiv A. Tata - Officer

Tax withholding / forfeiture

Common Stock

3,958

$139.45

$552K

Mar 5, 2026

Rajiv A. Tata - Officer

Option exercise

Common Stock

2,500

$40.44

$101K

Mar 5, 2026

Rajiv A. Tata - Officer

Tax withholding / forfeiture

Common Stock

1,680

$139.45

$234K

Mar 5, 2026

Rajiv A. Tata - Officer

Option exercise

Common Stock

1,833

$32.90

$60K

Mar 5, 2026

Rajiv A. Tata - Officer

Tax withholding / forfeiture

Common Stock

1,186

$139.45

$165K

Mar 4, 2026

Rajiv A. Tata - Officer

Grant or award

Common Stock

7,622^{footnote F1}

$0.00^{footnote F2}

Footnote F1 (shares): Acquired upon the settlement of performance stock units granted on May 8, 2023 under the Ducommun Incorporated Stock Incentive Plan as a result of the satisfaction of performance metrics underlying the award.
Footnote F2 (price): Granted as compensation for services.
Footnote F4 (shares): Represents a reduction in shares to satisfy the tax withholding obligations of the Issuer with respect to the settlement, on March 4, 2026, of 7,622 performance stock units as described in footnote (1) above.
Footnote F5 (shares): Represents a reduction in shares to satisfy the tax withholding obligations of the Issuer with respect to the settlement, on March 5, 2026, of 1,143 restricted stock units.

Mar 5, 2026

Laureen S. Gonzalez - Officer

Tax withholding / forfeiture

Common Stock

360^{footnote F5}

$130.19

$47K

Mar 4, 2026

Laureen S. Gonzalez - Officer

Grant or award

Common Stock

871

$0.00

Mar 4, 2026

Laureen S. Gonzalez - Officer

Grant or award

Common Stock

3,864^{footnote F1}

$0.00^{footnote F2}

Mar 4, 2026

Laureen S. Gonzalez - Officer

Tax withholding / forfeiture

Common Stock

2,077^{footnote F4}

$139.45

$290K

Footnote F1 (shares): Acquired upon the settlement of performance stock units granted on May 8, 2023 under the Ducommun Incorporated Stock Incentive Plan as a result of the satisfaction of performance metrics underlying the award.
Footnote F2 (price): Granted as compensation for services.
Footnote F4 (shares): Represents a reduction in shares to satisfy the tax withholding obligations of the Issuer with respect to the settlement, on March 4, 2026, of 3,864 performance stock units as described in footnote (1) above.
Footnote F5 (shares): Represents a reduction in shares to satisfy the tax withholding obligations of the Issuer with respect to the settlement, on March 5, 2026, of 668 restricted stock units.

Filed

Filer

Relationship

Market value

Notice

Aug 18, 2026

STEPHEN OSWALD

Officer, Director

2,500

$510K

View on EDGAR

Aug 12, 2026

STEPHEN OSWALD

Officer, Director

5,766

Member	Type	Traded	Disclosed	Value range	Owner	Days to disclose	Filing
Gilbert Ray Cisneros, Jr.Democrat, CA-31	Sale (partial)

Member

Type

Traded

Disclosed

Value range

Owner

Days to disclose

Filing

Gilbert Ray Cisneros, Jr.Democrat, CA-31

Sale (partial)