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The Preferred Shares were convertible at any time at the holder's election and automatically upon the closing of the Issuer's initial public offering, and had no expiration date."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"Each share of Series E Preferred Stock (the \"Preferred Shares\") converted into 0.61459 shares of the Issuer's Common Stock automatically upon the closing of the Issuer's initial public offering without payment of additional consideration. The Preferred Shares were convertible at any time at the holder's election and automatically upon the closing of the Issuer's initial public offering, and had no expiration date."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F1","text":"Each share of Series E Preferred Stock (the \"Preferred Shares\") converted into 0.61459 shares of the Issuer's Common Stock automatically upon the closing of the Issuer's initial public offering without payment of additional consideration. The Preferred Shares were convertible at any time at the holder's election and automatically upon the closing of the Issuer's initial public offering, and had no expiration date."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"These securities are owned directly by Northpond Ventures, LP. The reporting person is a partner of Northpond Ventures, LP and may be deemed to be the beneficial owner of the securities held by Northpond Ventures, LP. The reporting person disclaims beneficial ownership of the securities held by Northpond Ventures, LP except to the extent of her pecuniary interest therein."}],"balance_after":0,"derivative":{"underlying":"Common Stock, par value $0.001","underlying_shares":977091},"source":{"system":"sec-edgar","filing":"0001104659-20-138753","document":"tm2039218d8_4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1555279/000110465920138753/tm2039218d8_4.xml","form_type":"4"}},{"id":2934234,"issuer":{"id":5564,"kind":"organization","name":"908 Devices Inc.","symbol":"MASS"},"owners":[{"id":144459,"kind":"person","name":"Kedar Sharon","position":1,"cik":"0001836530","reported_name":"Kedar Sharon","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock, par value $0.001","published_at":"2020-12-23T01:31:58.000Z","date":"2020-12-22","kind":"purchase","acquired":true,"shares":100000,"price":20,"value":2000000.0,"ownership":{"direct":false,"nature":"See Footnote"},"footnotes":[{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"These securities are owned directly by Northpond Ventures, LP. 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