{"schema_version":"secwatch.filing_event.v1","accession":"0001193125-22-024049","form_type":"8-K","ticker":"ATER","cik":"0001757715","company_name":"Aterian, Inc.","filed_at":"2022-02-01T23:59:59+00:00","discovered_at":"2026-05-14T18:04:08.093305+00:00","generated_at":"2026-06-27T13:05:27.776531+00:00","sec_items":["5.02","9.01"],"event_type":"leadership","sentiment":"neutral","materiality_score":0.55,"calibrated_materiality_score":0.55,"confidence":"high","headline":"Aterian appoints Lattmann and Liebel to board; Petersen to step down April 1","bullets":["Greg Petersen resigns from board effective April 1, 2022; no disagreement with company.","Susan Lattmann (ex-Bed Bath & Beyond CFO) and Sarah Liebel (1stdibs CRO) appointed as independent directors.","Lattmann will chair Audit Committee after Petersen's departure; Liebel joins Compensation and Nominating committees.","Each new director receives 61,728 restricted shares vesting over 3 years.","Board composition becomes majority female with these appointments."],"urls":{"canonical":"https://secwatch.observer/filing/0001193125-22-024049","json":"https://secwatch.observer/filing/0001193125-22-024049.json","markdown":"https://secwatch.observer/filing/0001193125-22-024049.md","text":"https://secwatch.observer/filing/0001193125-22-024049.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1757715/000119312522024049/0001193125-22-024049-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1757715/000119312522024049/d279590d8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-27T13:05:27.776531+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":"4270c7bf69","claim":"Susan Lattmann was appointed as Director at Aterian, Inc..","evidence_excerpt":"Effective February 1, 2022, the Board appointed Ms. Susan Lattmann as a Class II director and Ms. Sarah Liebel as a Class III director of the Company.","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1757715/000119312522024049/0001193125-22-024049-index.htm","confidence":0.95,"family_label":"Executive change","details":[{"label":"Action","value":"appointed"},{"label":"Role","value":"Director"}],"fact_type":"executive_change"},{"claim_id":"807d57d6d1","claim":"Greg Petersen resigned as Director at Aterian, Inc..","evidence_excerpt":"Greg Petersen notified the Board of Directors (the “Board”) of Aterian, Inc. (the “Company”) that he will be resigning from the Board and all committees of the Board, effective as of April 1, 2022.","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1757715/000119312522024049/0001193125-22-024049-index.htm","confidence":0.95,"family_label":"Executive change","details":[{"label":"Action","value":"resigned"},{"label":"Role","value":"Director"}],"fact_type":"executive_change"},{"claim_id":"bbacc736f2","claim":"Sarah Liebel was appointed as Director at Aterian, Inc..","evidence_excerpt":"Effective February 1, 2022, the Board appointed Ms. Susan Lattmann as a Class II director and Ms. Sarah Liebel as a Class III director of the Company.","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1757715/000119312522024049/0001193125-22-024049-index.htm","confidence":0.95,"family_label":"Executive change","details":[{"label":"Action","value":"appointed"},{"label":"Role","value":"Director"}],"fact_type":"executive_change"}],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}