{"schema_version":"secwatch.filing_event.v1","accession":"0000912562-21-000044","form_type":"8-K/A","ticker":"ROCK","cik":"0000912562","company_name":"GIBRALTAR INDUSTRIES, INC.","filed_at":"2021-11-19T23:59:59+00:00","discovered_at":"2026-05-14T18:04:16.198249+00:00","generated_at":"2026-06-28T06:47:27.092088+00:00","sec_items":["7.01","9.01"],"event_type":"other_material","sentiment":"neutral","materiality_score":0.3,"calibrated_materiality_score":0.3,"confidence":"high","headline":"Gibraltar corrects Agtech historical EBITDA and margin growth in investor presentation","bullets":["Agtech Adjusted EBITDA Margin growth corrected from ~880 bps to ~680 bps on slide 3 (page 76).","Agtech 2020 EBITDA corrected from $19,085 to $20,352; margin corrected from 9.1% to 9.7% on slide 12.","Corrected investor presentation filed as Exhibit 99.1 and posted on gibraltar1.com.","No impact on previously reported consolidated financial statements."],"urls":{"canonical":"https://secwatch.observer/filing/0000912562-21-000044","json":"https://secwatch.observer/filing/0000912562-21-000044.json","markdown":"https://secwatch.observer/filing/0000912562-21-000044.md","text":"https://secwatch.observer/filing/0000912562-21-000044.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/912562/000091256221000044/0000912562-21-000044-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/912562/000091256221000044/rock-20211119.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-28T06:47:27.092088+00:00"},"review":{"review_status":"machine_generated","human_reviewed":false,"corrected":false,"correction_note":null,"correction_timestamp":null,"superseded_by":null,"related_filings":[]},"source_grounded_claims":[],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}