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: 0000912562-26-000170 Size: 366 KB Item 5.02: Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers: Compensatory Arrangements of Certain Officers Item 7.01: Regulation F…
Source: sec-edgar
What happened to Gibraltar Industries (ROCK) the last 3 times Strait of Gibraltar was in the news
Across 3 earlier stories, Gibraltar Industries (ROCK) the next day averaged -6.47%. The largest gain was +3.19% and the largest drop was -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 |
Price since this story was published: Gibraltar Industries (ROCK)
| 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 |
Members of Congress who traded Gibraltar Industries (ROCK) near this story
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).
The Strait of Gibraltar count beside this story
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 mentioned 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 “8-K - GIBRALTAR INDUSTRIES, INC. (0000912562) (Filer)” 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
Dates and 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.
How strong the case is around 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.