8-K - DUCOMMUN INC /DE/ (0000030305) (Filer)
Published . Updated .
Key takeaways
- 8-K - DUCOMMUN /DE/ filed an 8-K with the SEC on Nov 5 (a notice of a material company event).
- Exposed: DCO
- Market reaction: price tracking starts with the next trading session.
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8-K - DUCOMMUN /DE/ filed an 8-K with the SEC on Nov 5 (a notice of a material company event).
Directly affected
- DCO Ducommun+1.4% 9d
Named in this report.
Indirectly affected
- XLI Industrial Select Sector SPDR-0.3% 30d
Industrial Select Sector SPDR holds the industrials sector that Ducommun belongs to, so it often moves with news about it.
- TDG TransDigm Group+9.3% 30d
TransDigm Group is a peer of Ducommun in aircraft parts and auxiliary equipment; rivals often move on the same news.
- ARXS Arxis+4.6% 19d
Arxis is a peer of Ducommun in aircraft parts and auxiliary equipment; rivals often move on the same news.
- LOAR Loar Holdings
Loar Holdings is a peer of Ducommun in aircraft parts and auxiliary equipment; rivals often move on the same news.
- ATRO Astronics
Astronics is a peer of Ducommun in aircraft parts and auxiliary equipment; rivals often move on the same news.
- ESLT Elbit Systems-10.8% 8d
Elbit Systems is a peer of Ducommun in aircraft parts and auxiliary equipment; rivals often move on the same news.
Price reaction, T-5 to T+3
| Ticker | T-5 | T-3 | T-1 | T0 | T+1 | T+2 | T+3 |
|---|---|---|---|---|---|---|---|
| DCO | +7.26% | +4.71% | base | after close | after close | after close | after close |
| XLI | +0.40% | +0.18% | base | after close | after close | after close | after close |
| TDG | -3.38% | -0.33% | base | after close | after close | after close | after close |
| ARXS | +8.61% | +0.31% | base | after close | after close | after close | after close |
| LOAR | -7.14% | -2.51% | base | after close | after close | after close | after close |
| ATRO | +9.45% | +4.47% | base | after close | after close | after close | after close |
| ESLT | +14.79% | +5.43% | base | after close | after close | after close | after close |
Closing-price change versus T-1, the last close before the story. T0 to T+3 fill in after each market close. Prices: Alpaca IEX.
Filed: 2026-11-05 AccNo: 0001628280-26-070480 Size: 712 KB Item 2.02: Results of Operations and Financial Condition Item 9.01: Financial Statements and Exhibits
Source: sec-edgar
How far Ducommun (DCO) has moved since 5 Nov 2026
| Company | When | Move | Status |
|---|---|---|---|
| ARXS | three days earlier | +0.31% | final price |
| ARXS | five days earlier | +8.61% | final price |
| ATRO | three days earlier | +4.47% | final price |
| ATRO | five days earlier | +9.45% | final price |
| Ducommun (DCO) | three days earlier | +4.71% | final price |
| Ducommun (DCO) | five days earlier | +7.26% | final price |
| ESLT | three days earlier | +5.43% | final price |
| ESLT | five days earlier | +14.79% | final price |
| LOAR | three days earlier | -2.51% | final price |
| LOAR | five days earlier | -7.14% | final price |
| TDG | three days earlier | -0.33% | final price |
| TDG | five days earlier | -3.38% | final price |
| XLI | three days earlier | +0.18% | final price |
| XLI | five days earlier | +0.40% | final price |
Trades by members of Congress and officials in the stocks in this story
- Rep. Gilbert Cisneros sold Ducommun (DCO), worth $1,001 - $15,000 on 7 Aug 2026. That is 90 days before publication. Filed 10 Sep 2026. View the filing.
- Donald J Trump, an executive branch official, sold TransDigm Group (TDG), worth $15,001 - $50,000 on 28 Aug 2026. That is 69 days before publication. Filed 8 Oct 2026. View the filing.
- Rep. April McClain Delaney sold TransDigm Group (TDG) (held by a dependent child), worth $100,001 - $250,000 on 25 Aug 2026. That is 72 days before publication. Filed 9 Sep 2026. View the filing.
- Donald J Trump, an executive branch official, bought TransDigm Group (TDG), worth $1,001 - $15,000 on 24 Aug 2026. That is 73 days before publication. Filed 8 Oct 2026. View the filing.
Public disclosure filings, not a recommendation. The filing link is the source document. News use of these reports still sits under 5 U.S.C. § 13107(c).
Who is named in “8-K - DUCOMMUN INC /DE/ (0000030305) (Filer)”
Companies tied to this story
- DCO Ducommun
Ducommun (DCO) is linked, with no stored direction, high confidence in the 5 Nov 2026 story “8-K - DUCOMMUN INC /DE/ (0000030305) (Filer).” Reason on file: SEC 8-K filing -> direct issuer disclosure -> DCO
How “8-K - DUCOMMUN INC /DE/ (0000030305) (Filer)” reaches Ducommun (DCO)
Ducommun (DCO) is the company in “8-K - DUCOMMUN INC /DE/ (0000030305) (Filer),” the 5 Nov 2026 this story story.
What ties Ducommun (DCO) to the headline is this: SEC 8-K filing -> direct issuer disclosure -> DCO
Dates in the story, and the Ducommun (DCO) price range
DCO traded between 164.59 and 175.48 across 7 sessions. The latest close on file is 168.69.
How strong the case is around Ducommun (DCO)
14 out of 100
“8-K - DUCOMMUN INC /DE/ (0000030305) (Filer)” scores 14 out of 100. The score uses 1 sources, and 1 linked companies.