SEC Form 4 · Updated Daily
DCO
— DUCOMMUN INCORPORATED OwnershipInsider and institutional ownership derived from SEC Form 4 filings. Click any owner to see their holdings across every company they’ve filed on, and how their position has changed over time.
Current Reporting Owners
| Owner | Role | Shares Owned | As Of | Last Activity |
|---|---|---|---|---|
| DUCOMMUN ROBERT C | Director | 409,900 | 2024-12-05 | S |
| Oswald Stephen G | Director · Officer | 392,475 | 2026-08-17 | M |
| Redondo Jerry L | Officer | 68,628 | 2026-05-14 | F |
| PAULSON ROBERT D | Director | 53,867 | 2020-03-19 | P |
| REARDON ANTHONY J | Director | 48,149 | 2018-04-20 | M |
| FLATT DEAN M | Director | 41,440 | 2024-05-14 | A |
| Groves Douglas L | Officer | 37,660 | 2019-05-14 | F |
| Walsh John James | Reporting Owner | 37,500 | 2008-03-24 | M |
| Haberland Jay L | Director | 35,562 | 2023-04-26 | A |
| Rogers Rose F | Officer | 34,753 | 2021-09-10 | S |
| Wampler Christopher D. | Officer | 33,444 | 2023-02-23 | A |
| Tata Rajiv A. | Officer | 33,171 | 2026-05-20 | S |
| BELLINO JOSEPH P | Officer | 28,633 | 2015-04-15 | M |
| Mookerji Suman B. | Officer | 25,769 | 2026-05-20 | S |
| Benkie Joel H | Officer | 22,092 | 2016-03-30 | A |
| CHURCHILL GREGORY S | Director | 20,340 | 2020-05-07 | A |
| BALDRIDGE RICHARD A | Director | 20,100 | 2026-03-10 | S |
| CROSBY RALPH D JR | Director | 18,374 | 2013-05-01 | A |
| Drazba Shirley | Director | 18,140 | 2026-05-27 | A |
| BERENATO JOSEPH C | Director | 17,548 | 2017-03-17 | S |
| CONESE EUGENE P JR | Director | 15,744 | 2012-05-02 | A |
| CHRISTIE H FREDERICK | Director | 13,486 | 2010-05-05 | A |
| Kramer Sheila G. | Director | 11,700 | 2026-05-27 | A |
| WILLIAMS SAMUEL D | Officer | 11,256 | 2013-05-07 | M |
| Gonzalez Laureen S. | Officer | 11,172 | 2026-05-28 | S |
| Strycker Samara A | Director | 10,700 | 2026-05-27 | A |
| HEISER JAMES S | Officer | 10,445 | 2017-03-29 | S |
| Andrus Kathryn M | Officer | 6,964 | 2017-03-20 | A |
| Carter David B. | Director | 6,900 | 2026-05-27 | A |
| POLLACK MICHAEL G | Officer | 6,824 | 2013-04-24 | M |
| Hann Gregory A | Officer | 5,000 | 2007-10-31 | M |
| MULLANEY THOMAS P | Director | 4,500 | 2008-05-01 | M |
| Korte Daniel G. | Director | 4,311 | 2026-05-27 | A |
| BOEHLE DANIEL L. | Officer | 4,311 | 2026-05-27 | A |
| Paul Amy M | Officer | 3,901 | 2018-01-23 | F |
| Parkinson Gary | Officer | 3,050 | 2007-09-20 | M |
| Caylor Mark A | Director | 1,200 | 2026-05-27 | A |
| DeVore Donald C Jr | Officer | 50 | 2008-01-31 | — |
| SHINSEKI ERIC K | Director | 0 | 2007-01-31 | — |
Recent Filings
| Date | Owner | Activity | Shares | Price | Owned After |
|---|---|---|---|---|---|
| 2026-08-18 | Oswald Stephen G | Open-market sale | 2,500 | $203.95 | 383,864 |
| 2026-08-17 | Oswald Stephen G | Option exercise (derivative) | 10,000 | $0.00 | 7,500 |
| 2026-08-17 | Oswald Stephen G | Tax withholding | 6,111 | $206.98 | 386,364 |
| 2026-08-17 | Oswald Stephen G | Option exercise | 10,000 | $32.90 | 392,475 |
| 2026-08-12 | Oswald Stephen G | Gift | 2,244 | $0.00 | 383,631 |
| 2026-08-12 | Oswald Stephen G | Open-market sale | 5,766 | $201.15 | 385,875 |
| 2026-08-12 | Oswald Stephen G | Gift | 3,400 | $0.00 | 382,475 |
| 2026-08-12 | Oswald Stephen G | Open-market sale | 5,766 | $201.15 | 385,875 |
| 2026-08-11 | Oswald Stephen G | Option exercise (derivative) | 15,000 | $0.00 | 17,500 |
| 2026-08-11 | Oswald Stephen G | Tax withholding | 9,234 | $194.85 | 391,641 |
| 2026-08-11 | Oswald Stephen G | Option exercise | 15,000 | $32.90 | 400,875 |
| 2026-08-11 | Oswald Stephen G | Option exercise (derivative) | 15,000 | $0.00 | 17,500 |
| 2026-08-11 | Oswald Stephen G | Tax withholding | 9,234 | $194.85 | 391,641 |
| 2026-08-11 | Oswald Stephen G | Option exercise | 15,000 | $32.90 | 400,875 |
| 2026-06-11 | Oswald Stephen G | Gift | 1,920 | $0.00 | 385,875 |
| 2026-05-28 | Oswald Stephen G | Gift | 2,034 | $0.00 | 387,795 |
| 2026-05-28 | Gonzalez Laureen S. | Open-market sale | 589 | $151.99 | 11,172 |
| 2026-05-27 | BOEHLE DANIEL L. | Grant / award | 1,200 | $0.00 | 4,311 |
| 2026-05-27 | Carter David B. | Grant / award | 1,200 | $0.00 | 6,900 |
| 2026-05-27 | Caylor Mark A | Grant / award | 1,200 | $0.00 | 1,200 |
| 2026-05-27 | Drazba Shirley | Grant / award | 1,200 | $0.00 | 18,140 |
| 2026-05-27 | Korte Daniel G. | Grant / award | 1,200 | $0.00 | 4,311 |
| 2026-05-27 | Kramer Sheila G. | Grant / award | 1,200 | $0.00 | 11,700 |
| 2026-05-27 | Strycker Samara A | Grant / award | 1,200 | $0.00 | 10,700 |
| 2026-05-20 | Tata Rajiv A. | Open-market sale | 1,612 | $145.00 | 33,171 |
| 2026-05-20 | Oswald Stephen G | Disposition to issuer | 16,314 | $143.20 | 389,829 |
| 2026-05-20 | Oswald Stephen G | Gift | 3,700 | $0.00 | 406,143 |
| 2026-05-20 | Mookerji Suman B. | Open-market sale | 1,514 | $145.00 | 25,769 |
| 2026-05-15 | Mookerji Suman B. | Option exercise (derivative) | 7,500 | $0.00 | 0 |
| 2026-05-15 | Mookerji Suman B. | Tax withholding | 4,728 | $151.59 | 27,338 |
| 2026-05-15 | Mookerji Suman B. | Option exercise | 7,500 | $40.44 | 32,066 |
| 2026-05-15 | Mookerji Suman B. | Option exercise (derivative) | 7,500 | $0.00 | 0 |
| 2026-05-15 | Mookerji Suman B. | Tax withholding | 4,783 | $151.59 | 27,283 |
| 2026-05-15 | Mookerji Suman B. | Option exercise | 7,500 | $40.44 | 32,066 |
| 2026-05-14 | Oswald Stephen G | Disposition to issuer | 2,221 | — | 409,843 |
| 2026-05-14 | Oswald Stephen G | Tax withholding | 2,185 | $151.59 | 412,064 |
| 2026-05-14 | Redondo Jerry L | Open-market sale | 5,682 | $154.36 | 62,034 |
| 2026-05-14 | Redondo Jerry L | Disposition to issuer | 912 | — | 67,716 |
| 2026-05-14 | Redondo Jerry L | Tax withholding | 898 | $151.59 | 68,628 |
| 2026-05-14 | Mookerji Suman B. | Disposition to issuer | 1,259 | — | 24,566 |
Source: SEC EDGAR Form 4 filings. For informational purposes only — not investment advice.