Updated Jul 16, 2026 · Last SEC filing 2026-06-11
DUCOMMUN INC /DE/ (DCO) has filed 24 SEC Form 4 insider transactions in the last 90 days, with the most recent on 2026-06-11. 4 Form 8-K material event filings were reported by DCO in the last 90 days. 5 Form 144 notices of proposed sale were filed for DCO stock. InsiderAlpha tracks every DCO SEC filing — Form 4, Form 144, and 8-K — in real time, including Rule 10b5-1 plan detection.
| SEC CIK | 0000030305 |
|---|
| Form 4 filings (90d) | 24 |
|---|---|
| Form 8-K filings (90d) | 4 |
| Form 144 notices (90d) | 5 |
| Latest Form 4 filing | 2026-06-11 |
| Date | Insider | Role | Transaction | Shares | Price | Value | Filing |
|---|---|---|---|---|---|---|---|
| Oswald Stephen G | Chairman, President & CEO | G — Bona-fide gift | 1.9K | $0.00 | — | SEC | |
| Gonzalez Laureen S. | V.P., CHRO | S — Open-market sale | 589 | $151.99 | $90K | SEC | |
| Oswald Stephen G | Chairman, President & CEO | G — Bona-fide gift | 2.0K | $0.00 | — | SEC | |
| Korte Daniel G. | Insider | A — Grant or award | 1.2K | $0.00 | — | SEC | |
| Carter David B. | Insider | A — Grant or award | 1.2K | $0.00 | — | SEC | |
| Kramer Sheila G. | Insider | A — Grant or award | 1.2K | $0.00 | — | SEC | |
| Drazba Shirley | Insider | A — Grant or award | 1.2K | $0.00 | — | SEC | |
| Caylor Mark A | Insider | A — Grant or award | 1.2K | $0.00 | — | SEC | |
| BOEHLE DANIEL L. | Insider | A — Grant or award | 1.2K | $0.00 | — | SEC | |
| Strycker Samara A | Insider | A — Grant or award | 1.2K | $0.00 | — | SEC | |
| Mookerji Suman B. | Sr. V.P., C.F.O. | S — Open-market sale | 1.5K | $145.00 | $220K | SEC | |
| Tata Rajiv A. | V.P., G.C. & Corp. Secretary | S — Open-market sale | 1.6K | $145.00 | $234K | SEC | |
| Oswald Stephen G | Chairman, President & CEO | G — Bona-fide gift | 3.7K | $0.00 | — | SEC | |
| Oswald Stephen G | Chairman, President & CEO | D — Derivative transaction | 16.3K | $143.20 | $2.34M | SEC | |
| Mookerji Suman B. | Sr. V.P., C.F.O. | M — Option exercise | 7.5K | $40.44 | $303K | SEC |
All transactions sourced from SEC EDGAR Form 4 filings for DUCOMMUN INC /DE/ (DCO). Updated in real time as new filings are submitted to the SEC.
| Insider | Form 4 filings | Total transaction value |
|---|---|---|
| Mookerji Suman B. | 13 | $21.40M |
| Oswald Stephen G | 8 | $3.02M |
| Redondo Jerry L | 5 | $1.12M |
| Gonzalez Laureen S. | 5 | $181K |
| Tata Rajiv A. | 5 | $401K |
Form 144 must be filed before insiders sell restricted or control stock above SEC thresholds. A cluster of Form 144 notices often precedes a wave of insider distribution.
SEC Form 4 transactions are reported with a one-letter code indicating the type of transaction. Common codes you'll see in DCO insider filings:
| P | Open-market purchase by the insider |
|---|---|
| S | Open-market sale by the insider |
| A | Grant, award, or other acquisition from the issuer |
| M | Exercise or conversion of derivative security (e.g. options) |
| F | Payment of exercise price or tax liability via share withholding |
| G | Bona-fide gift of securities |
| D | Disposition to the issuer (e.g. share buyback participation) |
| J | Other acquisition or disposition |
| X | Exercise of in-the-money or at-the-money derivative security |
| C | Conversion of derivative security |
| V | Transaction voluntarily reported earlier than required |
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