{"schema_version":"secwatch.filing_event.v1","accession":"0001193125-25-155530","form_type":"8-K","ticker":"PKG","cik":"0000075677","company_name":"PACKAGING CORP OF AMERICA","filed_at":"2025-07-03T23:59:59+00:00","discovered_at":"2026-05-14T18:02:46.292611+00:00","generated_at":"2026-05-18T09:33:11.471360+00:00","sec_items":["1.01","9.01"],"event_type":"m_and_a","sentiment":"neutral","materiality_score":0.8,"calibrated_materiality_score":0.8,"confidence":"high","headline":"PCA agrees to acquire Greif's containerboard business for $1.8B cash","bullets":["Purchase price of $1.8 billion in cash; expected closing in Q3 2025.","Acquisition includes containerboard mills in Virginia and Ohio, and seven sheetfeeder facilities.","Closing subject to HSR Act waiting period; termination fee payable by PCA in certain antitrust-related scenarios.","Outside date for closing is June 30, 2026, subject to two 90-day extensions."],"urls":{"canonical":"https://secwatch.observer/filing/0001193125-25-155530","json":"https://secwatch.observer/filing/0001193125-25-155530.json","markdown":"https://secwatch.observer/filing/0001193125-25-155530.md","text":"https://secwatch.observer/filing/0001193125-25-155530.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/75677/000119312525155530/0001193125-25-155530-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/75677/000119312525155530/d92547d8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-18T09:33:11.471360+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"}