{"filing": {"accession": "0001535264-26-000054", "cik": "0001555279", "ticker": "MASS", "company_name": "908 Devices Inc.", "form_type": "4", "filing_type": "4", "filing_date": "2026-10-01", "accepted_datetime": null, "acceptance_datetime": null, "accepted_at": null, "primary_doc_url": "xslF345X06/primary_doc.xml", "filing_url": null, "period_of_report": "2026-09-29"}, "html_url": "/api/filings/000153526426000054/stream", "exhibits": [], "sections": [], "tables": [], "exhibits_pending": false, "cdn_html": false, "response_time_ms": 103}