{"schema_version":"secwatch.filing_event.v1","accession":"0001628280-22-023772","form_type":"8-K","ticker":"GWH","cik":"0001819438","company_name":"ESS Tech, Inc.","filed_at":"2022-08-26T23:59:59+00:00","discovered_at":"2026-05-14T18:03:57.202748+00:00","generated_at":"2026-06-23T21:06:26.908350+00:00","sec_items":["5.02"],"event_type":"leadership","sentiment":"neutral","materiality_score":0.4,"calibrated_materiality_score":0.4,"confidence":"high","headline":"ESS Tech Chief Accounting Officer Jeff Bodner resigns; CFO Moftakhar to fill role on interim basis","bullets":["Jeff Bodner tendered resignation as Chief Accounting Officer on August 24, effective September 12, 2022.","Departure is not the result of any disagreement with the Company on operations, policies, accounting controls or disclosures.","CFO Amir Moftakhar will serve as principal accounting officer on an interim basis starting September 12."],"urls":{"canonical":"https://secwatch.observer/filing/0001628280-22-023772","json":"https://secwatch.observer/filing/0001628280-22-023772.json","markdown":"https://secwatch.observer/filing/0001628280-22-023772.md","text":"https://secwatch.observer/filing/0001628280-22-023772.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1819438/000162828022023772/0001628280-22-023772-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1819438/000162828022023772/wk-20220826.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-23T21:06:26.908350+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":"10b4b5b3ab","claim":"Jeff Bodner resigned as Chief Accounting Officer at ESS Tech, Inc..","evidence_excerpt":"On August 24, 2022, Jeff Bodner, Chief Accounting Officer of ESS Tech, Inc. (the “Company”) tendered his resignation from the Company, to be effective as of September 12, 2022.","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1819438/000162828022023772/0001628280-22-023772-index.htm","confidence":0.95,"family_label":"Executive change","details":[{"label":"Action","value":"resigned"},{"label":"Role","value":"Chief Accounting Officer"}],"fact_type":"executive_change"},{"claim_id":"15207cd559","claim":"Amir Moftakhar changed role as principal accounting officer (interim) at ESS Tech, Inc..","evidence_excerpt":"In connection with Mr. Bodner’s resignation, Amir Moftakhar, the Company’s Chief Financial Officer, will assume the role and responsibilities of principal accounting officer on an interim basis as of the effective date of Mr. Bodner’s resignation.","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1819438/000162828022023772/0001628280-22-023772-index.htm","confidence":0.95,"family_label":"Executive change","details":[{"label":"Action","value":"assumed role"},{"label":"Role","value":"principal accounting officer (interim)"}],"fact_type":"executive_change"}],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}