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Historical filings are retained here; live price history ends at delisting."}, "corporate_actions": {"status_label": "Removed from the exchange (2012)", "items": [{"action": "DELISTED", "reason": "EXCHANGE_DELISTING", "counterparty": null, "old_value": "TNGN", "new_value": "Removed from the exchange", "effective": "2012-11-16", "evidence": "Form 25-NSE filed 2012-11-16", "source_url": "https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=0001296391", "applied": 1, "detected_at": "2026-08-03T11:20:22.138749"}, {"action": "DELISTED", "reason": "UNKNOWN", "counterparty": null, "old_value": "TNGN", "new_value": "No longer listed", "effective": "", "evidence": "No longer in the listed universe; we have no source stating why.", "source_url": "", "applied": 1, "detected_at": "2026-08-03T11:13:39.876524"}]}, "key_people": [{"who": "& Johnson Johnson", "who_key": "JOHNSON & JOHNSON", "role": "10% Owner", "person_type": "TEN_PCT", "person_label": "10% Owners", "bought": 2000000.0, "sold": 0, "net": 2000000.0, "trades": 1, "top_score": 59.7, "lean": "buying", "history": [{"action": "BUY", "amount": 2000000.0, "date": "2010-04-14", "score": 59.7, "source_url": "https://www.sec.gov/Archives/edgar/data/200406/000090445410000119/0000904454-10-000119-index.htm"}], "latest": {"action": "BUY", "amount": 2000000.0, "date": "2010-04-14", "score": 59.7, "source_url": "https://www.sec.gov/Archives/edgar/data/200406/000090445410000119/0000904454-10-000119-index.htm"}}], "activity": [], "announcements": [{"form": "SC 13G/A", "date": "2021-02-11", "title": "TNGNQ", "accession": "0001393825-21-000071", "price_sensitive": false}, {"form": "SC 13G/A", "date": "2017-01-30", "title": "TENGION INC SC13GA", "accession": "0001393825-17-000051", "price_sensitive": false}, {"form": "SC 13G/A", "date": "2016-02-16", "title": "Form SC 13G/A", "accession": "0001193805-16-002620", "price_sensitive": false}, {"form": "SC 13G/A", "date": "2016-02-12", "title": "Form SC 13G/A", "accession": "0001104659-16-096269", "price_sensitive": false}, {"form": "SC 13G", "date": "2015-10-02", "title": "Passive stake (13G)", "accession": "0001104659-15-068777", "price_sensitive": false}, {"form": "SC 13G/A", "date": "2015-02-17", "title": "SCHEDULE 13G/A", "accession": "0001193125-15-051214", "price_sensitive": false}, {"form": "SC 13G/A", "date": "2015-02-17", "title": "Form SC 13G/A", "accession": "0001144204-15-010183", "price_sensitive": false}, {"form": "SC 13G/A", "date": "2015-02-17", "title": "Form SC 13G/A", "accession": "0001193805-15-000221", "price_sensitive": false}, {"form": "SC 13G/A", "date": "2015-02-13", "title": "AMENDMENT NO. 2 TO SCHEDULE 13G", "accession": "0001193125-15-049865", "price_sensitive": false}, {"form": "SC 13G/A", "date": "2015-02-13", "title": "Form SC 13G/A", "accession": "0001104659-15-009913", "price_sensitive": false}, {"form": "SC 13D/A", "date": "2015-02-11", "title": "SCHEDULE 13D/A", "accession": "0001193125-15-044301", "price_sensitive": false}, {"form": "SC 13G/A", "date": "2015-02-11", "title": "TENGION INC SC13G/A", "accession": "0001393825-15-000025", "price_sensitive": false}, {"form": "SC 13G", "date": "2015-02-11", "title": "TENGION INC SC13G", "accession": "0001393825-15-000023", "price_sensitive": false}, {"form": "SC 13G/A", "date": "2015-01-08", "title": "SABBY 13G-A TNGN 01.08.15", "accession": "0001535610-15-000013", "price_sensitive": false}, {"form": "424B3", "date": "2014-12-29", "title": "TENGION, INC. 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