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Stephen G. Oswald - OfficerOpen-market sale$510K- Stephen G. Oswald - OfficerOpen-market sale$1.16M
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.
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)
2743 Form 4 filings on record, the earliest from Nov 7, 2024, newest first. Filing history page 2 of 2.
| Date | Insider | Transaction | Security | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Jerry L. Redondo - Officer | Tax withholding / forfeiture | Common Stock | 4,978 footnote F4 | $139.45 | $694K | |
| Jerry L. Redondo - Officer | Tax withholding / forfeiture | Common Stock | 986 footnote F5 | $130.19 | $128K | |
| Jerry L. Redondo - Officer | Grant or award | Common Stock | 2,390 | $0.00 | - | |
| Jerry L. Redondo - Officer | Grant or award | Common Stock | 9,261 footnote F1 | $0.00 footnote F2 | - | |
| ||||||
| Suman B. Mookerji - Officer | Tax withholding / forfeiture | Common Stock | 1,361 footnote F4 | $130.19 | $177K | |
| Suman B. Mookerji - Officer | Open-market sale | Common Stock | 14,709 | $134.21 footnote F5 | $1.97M | |
| Suman B. Mookerji - Officer | Option exercise | Option - Right to Purchase | 4,700 | $0.00 | - | |
| Suman B. Mookerji - Officer | Grant or award | Common Stock | 3,361 | $0.00 | - | |
| Suman B. Mookerji - Officer | Option exercise | Common Stock | 4,700 | $42.25 | $199K | |
| Suman B. Mookerji - Officer | Tax withholding / forfeiture | Common Stock | 3,186 | $139.45 | $444K | |
| Suman B. Mookerji - Officer | Grant or award | Common Stock | 14,315 footnote F1 | $0.00 footnote F2 | - | |
| Suman B. Mookerji - Officer | Tax withholding / forfeiture | Common Stock | 7,695 footnote F3 | $139.45 | $1.07M | |
| ||||||
| Stephen G. Oswald - Officer | Tax withholding / forfeiture | Common Stock | 12,712 footnote F6 | $139.45 | $1.77M | |
| Stephen G. Oswald - Officer | Tax withholding / forfeiture | Common Stock | 2,409 footnote F7 | $130.19 | $314K | |
| Stephen G. Oswald - Officer | Grant or award | Common Stock | 75,503 footnote F1 | $0.00 footnote F2 | - | |
| Stephen G. Oswald - Officer | Tax withholding / forfeiture | Common Stock | 40,583 footnote F4 | $139.45 | $5.66M | |
| Stephen G. Oswald - Officer | Grant or award | Common Stock | 23,649 footnote F5 | $0.00 footnote F2 | - | |
| ||||||
| Stephen G. Oswald - Officer | Gift | Common Stock | 1,234 | $0.00 | - | |
| Jerry L. Redondo - Officer | Open-market sale | Common Stock | 2,000 | $92.86 footnote F1 | $186K | |
| ||||||
| Stephen G. Oswald - Officer | Gift | Common Stock | 3,366 | $0.00 | - | |
| Jerry L. Redondo - Officer | Open-market sale | Common Stock | 1,594 | $93.83 footnote F1 | $150K | |
| ||||||
| Suman B. Mookerji - Officer | Tax withholding / forfeiture | Common Stock | 359 | $91.22 | $33K | |
| Richard A. Baldridge | Grant or award | Common Stock | 2,300 | $0.00 | - | |
| Laureen S. Gonzalez - Officer | Tax withholding / forfeiture | Common Stock | 170 | $63.67 | $11K | |
| Robert C. Ducommun | Open-market sale | Common Stock | 1,000 | $69.50 | $70K | |
 Daniel L. Boehle | Grant or award | Common Stock | 811 | $0.00 | - | |
 Daniel G. Korte | Grant or award | Common Stock | 811 | $0.00 | - | |
Item 2.02, 9.01
Item 2.02, 9.01
Item 5.02, 7.01, 9.01
Item 4.02
Recent DCO Form 144 notices of proposed sale
3An 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 |
|---|---|---|---|---|---|
| STEPHEN OSWALD | Officer, Director | 2,500 | $510K | View on EDGAR | |
| STEPHEN OSWALD | Officer, Director | 5,766 |
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
10The EDGAR links open each original Form 4, so you can check any number on this page against the filing it came from.
- - Stephen G. Oswald view on EDGAR
- - Stephen G. Oswald view on EDGAR
- - Stephen G. Oswald view on EDGAR
- - Laureen S. Gonzalez view on EDGAR
- - Stephen G. Oswald view on EDGAR
- - Samara A. Strycker view on EDGAR
- - Sheila G. Kramer view on EDGAR
- - Daniel G. Korte view on EDGAR
- - 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.
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