{"schema_version":"ctm-public-research-1.0","id":"dropbox","name":"Dropbox","ticker":"DBX","sector":"Cloud software","description":"Explore 2 documented private funding stages and their hypothetical value at the IPO offer price.","coverage_note":"Prices are rounded to cents in the filing table. The March 2018 one-for-1.5 reverse split is already reflected. Early Series A/A-1 are excluded pending issuance-context review. Preferred shares convert 1:1 to Class B, with 1:1 Class A equivalents. No additional split adjustment. No holder-specific adjustment is assumed. IPO offer-price mark only; no sale, investment availability or realized return is established.","url":"https://capitaltimemachine.com/private/dropbox","publisher":"CapitalTimeMachine","dataset_revision":"ctm-research-2026-10-01","dataset_reviewed_on":"2026-09-19","feed_released_on":"2026-10-01","methodology_url":"https://capitaltimemachine.com/methodology","terms_url":"https://capitaltimemachine.com/terms","corrections":"mailto:capitaltimemachine@gmail.com","observations":[{"id":"DBX-B","title":"Series B","note":"Prices are rounded to cents in the filing table. The March 2018 one-for-1.5 reverse split is already reflected. Early Series A/A-1 are excluded pending issuance-context review. Reference date is not an assumed purchase date.","observation_date":"2017-12-31","date_precision":"day","date_role":"historical_table_snapshot","actual_entry_date":null,"value":"13.58","value_qualifier":"","currency":"USD","value_scope":"per_share_issuance_price","share_class":"Series B preferred","share_basis":"retrospectively_split_restated","confidence_class":"B","verification_status":"primary_verified","checked_on":"2026-09-17","source":{"url":"https://www.sec.gov/Archives/edgar/data/1467623/000119312518092764/d553522d424b4.htm","publisher":"SEC · Dropbox filing","title":"IPO prospectus (Form 424B4)","locator":"Note 11: December 31, 2017 preferred-stock table and Conversion; Note 2: Stock Split; Registration Rights"},"supporting_sources":[],"citation_url":"https://capitaltimemachine.com/private/dropbox#DBX-B"},{"id":"DBX-C","title":"Series C","note":"Prices are rounded to cents in the filing table. The March 2018 one-for-1.5 reverse split is already reflected. Early Series A/A-1 are excluded pending issuance-context review. Reference date is not an assumed purchase date.","observation_date":"2017-12-31","date_precision":"day","date_role":"historical_table_snapshot","actual_entry_date":null,"value":"28.65","value_qualifier":"","currency":"USD","value_scope":"per_share_issuance_price","share_class":"Series C preferred","share_basis":"retrospectively_split_restated","confidence_class":"B","verification_status":"primary_verified","checked_on":"2026-09-17","source":{"url":"https://www.sec.gov/Archives/edgar/data/1467623/000119312518092764/d553522d424b4.htm","publisher":"SEC · Dropbox filing","title":"IPO prospectus (Form 424B4)","locator":"Note 11: December 31, 2017 preferred-stock table and Conversion; Note 2: Stock Split; Registration Rights"},"supporting_sources":[],"citation_url":"https://capitaltimemachine.com/private/dropbox#DBX-C"},{"id":"DBX-OFFER","title":"IPO offer","note":"Prospectus pricing date. This is not the first trading close or a realizable sale price.","observation_date":"2018-03-22","date_precision":"day","date_role":"offering_pricing","actual_entry_date":null,"value":"21.00","value_qualifier":"","currency":"USD","value_scope":"public_offer_price_per_share","share_class":"Class A common","confidence_class":"A","verification_status":"primary_verified","checked_on":"2026-09-17","source":{"url":"https://www.sec.gov/Archives/edgar/data/1467623/000119312518092764/d553522d424b4.htm","publisher":"SEC · Dropbox filing","title":"IPO prospectus (Form 424B4)","locator":"Prospectus cover: offering price and prospectus date"},"supporting_sources":[],"citation_url":"https://capitaltimemachine.com/private/dropbox#DBX-OFFER"}],"calculation_options":{"early_stage_assumptions":null,"ipo_offer_models":[{"id":"DBX-B-IPO","company":"dropbox","start":"DBX-B","end":"DBX-OFFER","label":"Series B → IPO offer-price mark","conversion_factor":"1","split_adjustment":"already_reflected_do_not_apply_again","reviewed_on":"2026-09-17","basis_note":"Prices are rounded to cents in the filing table. The March 2018 one-for-1.5 reverse split is already reflected. Early Series A/A-1 are excluded pending issuance-context review. Preferred shares convert 1:1 to Class B, with 1:1 Class A equivalents. No additional split adjustment. No holder-specific adjustment is assumed. IPO offer-price mark only; no sale, investment availability or realized return is established.","source_url":"https://www.sec.gov/Archives/edgar/data/1467623/000119312518092764/d553522d424b4.htm","source_locators":["Note 11: December 31, 2017 preferred-stock table and Conversion; Note 2: Stock Split; Registration Rights","Prospectus cover: IPO offering price; Description of Capital Stock"]},{"id":"DBX-C-IPO","company":"dropbox","start":"DBX-C","end":"DBX-OFFER","label":"Series C → IPO offer-price mark","conversion_factor":"1","split_adjustment":"already_reflected_do_not_apply_again","reviewed_on":"2026-09-17","basis_note":"Prices are rounded to cents in the filing table. The March 2018 one-for-1.5 reverse split is already reflected. Early Series A/A-1 are excluded pending issuance-context review. Preferred shares convert 1:1 to Class B, with 1:1 Class A equivalents. No additional split adjustment. No holder-specific adjustment is assumed. IPO offer-price mark only; no sale, investment availability or realized return is established.","source_url":"https://www.sec.gov/Archives/edgar/data/1467623/000119312518092764/d553522d424b4.htm","source_locators":["Note 11: December 31, 2017 preferred-stock table and Conversion; Note 2: Stock Split; Registration Rights","Prospectus cover: IPO offering price; Description of Capital Stock"]}],"valuation_comparisons":[],"user_entered_private_prices":false,"entered_public_price_review":{"company":"dropbox","ticker":"DBX","issuer_cik":"1467623","model_ids":["DBX-B-IPO","DBX-C-IPO"],"from_date":"2024-06-10","through_date":"2026-09-19","reviewed_on":"2026-09-19","status":"reviewed_user_price_scenario","historical_only":false,"limitation":"Entered price is unverified. Use the actual common-share price on its dated basis, not a dividend-adjusted or retrospectively split-adjusted history.","listed_equivalent_factor":"1","splits":[],"sources":[{"url":"https://www.sec.gov/Archives/edgar/data/1467623/000119312518092764/d553522d424b4.htm","title":"Original IPO share basis","locator":"Prospectus / offering and capital-stock terms; the existing private-to-IPO model supplies the entry conversion."},{"url":"https://www.sec.gov/Archives/edgar/data/1467623/000146762326000049/dbx-20260630.htm","title":"Issuer 10-Q · 2026-08-07","locator":"Common-stock presentation and corporate-action screening. A missing split keyword alone is not evidence of a complete history."},{"url":"https://www.stocksplithistory.com/?symbol=DBX","title":"Supplemental split-history screen","locator":"Dated post-IPO corporate actions only. Ticker reuse can introduce unrelated pre-IPO events; those are excluded. No market quote was copied."}],"review_note":"Entry-to-IPO conversion reuses the approved company-specific model. The post-IPO corporate-action screen matches the issuer CIK and excludes reused ticker history predating its IPO. This is a bounded price-only scenario, not a licensed quote or a certified corporate-action feed."},"public_ipo":null},"limitations":["Historical research and hypothetical arithmetic, not live quotes, investment advice or an offer to invest.","Company valuation changes are not shareholder returns. Financing, dilution, security rights and exit access matter.","IPO offer-price marks are not realized sale proceeds; minimum investments and access are not established.","User-entered prices and valuations are assumptions, not sourced observations. Fee and carry treatment is stated by each method; taxes and distributions are excluded.","Selected surviving companies are not representative of private-market outcomes; investments may lose all value."]}