{"schema_version":"secwatch.filing_event.v1","accession":"0001388658-23-000152","form_type":"8-K","ticker":"IRTC","cik":"0001388658","company_name":"iRhythm Holdings, Inc.","filed_at":"2023-11-16T23:59:59+00:00","discovered_at":"2026-05-14T18:03:28.830001+00:00","generated_at":"2026-06-08T01:02:34.361835+00:00","sec_items":["5.03","9.01"],"event_type":"other","sentiment":"neutral","materiality_score":0.15,"calibrated_materiality_score":0.15,"confidence":"high","headline":"iRhythm amends bylaws for universal proxy rules and DGCL updates","bullets":["Revised advance notice bylaws requiring additional disclosures from proposing stockholders and nominees.","Added certification requirement that stockholders comply with SEC Rule 14a-19 universal proxy rules.","Updated notice provisions for electronic transmission of notices per DGCL amendments.","Added emergency bylaw provision allowing director quorum during an emergency situation.","Requires stockholders soliciting proxies to use a non-white proxy card color."],"urls":{"canonical":"https://secwatch.observer/filing/0001388658-23-000152","json":"https://secwatch.observer/filing/0001388658-23-000152.json","markdown":"https://secwatch.observer/filing/0001388658-23-000152.md","text":"https://secwatch.observer/filing/0001388658-23-000152.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1388658/000138865823000152/0001388658-23-000152-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1388658/000138865823000152/irtc-20231110.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-08T01:02:34.361835+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":"21eef417ca4dabade3a2d672c5891e199e1a42c3","claim":"iRhythm Holdings, Inc.: Adopted amended and restated bylaws effective November 10, 2023, with changes to stockholder meeting procedures, universal proxy rules compliance, advance notice provisions, emergency bylaws, and other ministerial updates (effective 2023-11-10).","evidence_excerpt":"which became immediately effective. Among other things, the amendments effected by the Amended and Restated Bylaws: • revise certain provisions relating to adjournment procedures and lists of stockholders entitled to vote at stockholder meetings","evidence_source":"SEC 8-K Item 5.03/5.05/5.06","evidence_url":"https://www.sec.gov/Archives/edgar/data/1388658/000138865823000152/0001388658-23-000152-index.htm","confidence":0.9,"family_label":"Governance Changes","details":[{"label":"Change","value":"bylaw amendment"},{"label":"Effective","value":"2023-11-10"}],"fact_type":"governance_change"}],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}