8-K - GIBRALTAR INDUSTRIES, INC. (0000912562) (Filer)
Published . Updated .
Key takeaways
- 8-K - GIBRALTAR INDUSTRIES filed an 8-K with the SEC on Nov 5 (a notice of a material company event).
- Exposed: ROCK
- Market reaction: ROCK −25.8% by the next session
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8-K - GIBRALTAR INDUSTRIES filed an 8-K with the SEC on Nov 5 (a notice of a material company event).
Directly affected
- ROCK Gibraltar Industries-24.2% 30d
Named in this report.
Indirectly affected
- XLB Materials Select Sector SPDR+2.4% 17d
Materials Select Sector SPDR holds the materials sector that Gibraltar Industries belongs to, so it often moves with news about it.
- WOR Worthington Enterprises+0.7% 10d
Worthington Enterprises is a peer of Gibraltar Industries in steel works, blast furnaces and rolling and finishing mills; rivals often move on the same news.
- NUE Nucor-0.7% 30d
Nucor is a large materials company like Gibraltar Industries; big names in a sector often move together.
- STLD Steel Dynamics-5.1% 30d
Steel Dynamics is a large materials company like Gibraltar Industries; big names in a sector often move together.
- ATI Ati-9.8% 30d
Ati is a large materials company like Gibraltar Industries; big names in a sector often move together.
- CRS Carpenter Technology-27.9% 30d
Carpenter Technology is a large materials company like Gibraltar Industries; big names in a sector often move together.
Price reaction, T-5 to T+3
| Ticker | T-5 | T-3 | T-1 | T0 | T+1 | T+2 | T+3 |
|---|---|---|---|---|---|---|---|
| ROCK | -7.24% | -4.37% | base | -27.21% | -25.80% | after close | after close |
| XLB | -2.52% | -0.41% | base | -3.14% | -3.28% | after close | after close |
| WOR | -0.94% | +0.25% | base | -5.77% | -6.22% | after close | after close |
| NUE | +2.64% | +3.58% | base | -8.32% | -8.30% | after close | after close |
| STLD | +5.61% | +4.89% | base | -7.63% | -6.80% | after close | after close |
| ATI | -2.45% | -2.66% | base | -6.01% | -1.73% | after close | after close |
| CRS | +2.20% | -0.53% | base | -4.53% | -4.25% | 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: 0000912562-26-000171 Size: 1 MB Item 2.02: Results of Operations and Financial Condition Item 9.01: Financial Statements and Exhibits
Source: sec-edgar
3 earlier Strait of Gibraltar stories for Gibraltar Industries (ROCK)
Gibraltar Industries (ROCK) the next day, across 3 earlier stories: average -6.47%, largest gain +3.19%, largest drop -25.80%, from 3 prices.
| Company | When | Average | Largest gain | Largest drop | Prices |
|---|---|---|---|---|---|
| Gibraltar Industries (ROCK) | the next day | -6.47% | +3.19% | -25.80% | 3 |
| Gibraltar Industries (ROCK) | three days later | +4.71% | +4.71% | +4.71% | 2 |
The price since 5 Nov 2026: Gibraltar Industries (ROCK) versus the S&P 500
| Company | When | Move | Status |
|---|---|---|---|
| ATI | that day | -6.01% | final price |
| ATI | the next day | -1.73% | final price |
| ATI | three days earlier | -2.66% | final price |
| ATI | five days earlier | -2.45% | final price |
| CRS | that day | -4.53% | final price |
| CRS | the next day | -4.25% | final price |
| CRS | three days earlier | -0.53% | final price |
| CRS | five days earlier | +2.20% | final price |
| NUE | that day | -8.32% | final price |
| NUE | the next day | -8.30% | final price |
| NUE | three days earlier | +3.58% | final price |
| NUE | five days earlier | +2.64% | final price |
| Gibraltar Industries (ROCK) | that day | -27.21% | final price |
| Gibraltar Industries (ROCK) | the next day | -25.80% | final price |
| Gibraltar Industries (ROCK) | three days earlier | -4.37% | final price |
| Gibraltar Industries (ROCK) | five days earlier | -7.24% | final price |
| STLD | that day | -7.63% | final price |
| STLD | the next day | -6.80% | final price |
| STLD | three days earlier | +4.89% | final price |
| STLD | five days earlier | +5.61% | final price |
| WOR | that day | -5.77% | final price |
| WOR | the next day | -6.22% | final price |
| WOR | three days earlier | +0.25% | final price |
| WOR | five days earlier | -0.94% | final price |
| XLB | that day | -3.14% | final price |
| XLB | the next day | -3.28% | final price |
| XLB | three days earlier | -0.41% | final price |
| XLB | five days earlier | -2.52% | final price |
Congressional stock trades in Gibraltar Industries (ROCK)
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).
How busy Strait of Gibraltar has been lately
Geopolitics Alpha has 5 stories about Strait of Gibraltar from the past 7 days and 10 stories from the past 30. That is faster than its usual pace over the past month. “8-K - GIBRALTAR INDUSTRIES, INC. (0000912562) (Filer)” is tagged to Strait of Gibraltar.
Who gains and who loses around Gibraltar Industries (ROCK)
Companies carried with this story
- ROCK Gibraltar Industries
Gibraltar Industries (ROCK) is linked, with no stored direction, high confidence in the 5 Nov 2026 story “8-K - GIBRALTAR INDUSTRIES, INC. (0000912562) (Filer).” Reason on file: SEC 8-K filing -> direct issuer disclosure -> ROCK
How a Strait of Gibraltar shock reaches Gibraltar Industries (ROCK)
Gibraltar Industries (ROCK) is the company in “8-K - GIBRALTAR INDUSTRIES, INC. (0000912562) (Filer),” the 5 Nov 2026 Strait of Gibraltar story.
Gibraltar Industries (ROCK) is on the page because SEC 8-K filing -> direct issuer disclosure -> ROCK
Price levels for Gibraltar Industries (ROCK)
ROCK traded between 31.06 and 43.95 across 20 sessions. The latest close on file is 31.65.
A simple score for Gibraltar Industries (ROCK)
14 out of 100
“8-K - GIBRALTAR INDUSTRIES, INC. (0000912562) (Filer)” scores 14 out of 100. The score uses 1 sources, and 1 linked companies.