{"schema_version":"secwatch.filing_event.v1","accession":"0001104659-23-056590","form_type":"8-K","ticker":"GTE","cik":"0001273441","company_name":"GRAN TIERRA ENERGY INC.","filed_at":"2023-05-05T23:59:59+00:00","discovered_at":"2026-05-14T18:03:38.232641+00:00","generated_at":"2026-06-15T15:58:40.222150+00:00","sec_items":["3.03","5.03","9.01"],"event_type":"other_material","sentiment":"neutral","materiality_score":0.65,"calibrated_materiality_score":0.65,"confidence":"high","headline":"Gran Tierra Energy completes 1-for-10 reverse stock split effective May 5, 2023","bullets":["Outstanding shares reduced from ~333M to ~33.3M; authorized common shares set at 57M, preferred at 25M.","Fractional shares rounded up/down per standard rounding; no fractional shares issued.","New CUSIP 38500T200 and ISIN US38500T2006; symbol GTE unchanged on NYSE American, TSX, and LSE.","Reverse split approved by board in Feb 2023 and stockholders at May 3, 2023 annual meeting.","Trading on split-adjusted basis began May 5 on NYSE American and LSE; TSX adjusted trading starts May 8."],"urls":{"canonical":"https://secwatch.observer/filing/0001104659-23-056590","json":"https://secwatch.observer/filing/0001104659-23-056590.json","markdown":"https://secwatch.observer/filing/0001104659-23-056590.md","text":"https://secwatch.observer/filing/0001104659-23-056590.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1273441/000110465923056590/0001104659-23-056590-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1273441/000110465923056590/tm2314731d1_8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-15T15:58:40.222150+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":[{"claim_id":"854ba2a5fea522ea3561245edf71a46b5912bdfb","claim":"GRAN TIERRA ENERGY INC.: 对公司章程进行修订，实施1:10反向股票拆分，调整授权股份数量为5700万股普通股和2500万股优先股。 (effective 2023-05-05).","evidence_excerpt":"On May 4, 2023, the Company filed a Certificate of Amendment, effective as of May 5, 2023 (the “Amendment”), to the Company’s Certificate of Incorporation to effectuate the reverse stock split as of 12:01 a.m. Eastern Time on May 5, 2023.","evidence_source":"SEC 8-K Item 5.03/5.05/5.06","evidence_url":"https://www.sec.gov/Archives/edgar/data/1273441/000110465923056590/0001104659-23-056590-index.htm","confidence":0.9,"family_label":"Governance Changes","details":[{"label":"Change","value":"charter amendment"},{"label":"Effective","value":"2023-05-05"}],"fact_type":"governance_change"}],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}