Diligence memo · auto-generated · as of July 2, 2026
Sandstone Diagnostics Inc
Sandstone Diagnostics Inc looks fair against its niche peers and is dormant on financing cadence.
Businessfiled
Sandstone Diagnostics Inc operates in Medical Devices, based in PLEASANTON.
Sub-sector tags: medical-devices.
No verified homepage on file yet — operating evidence is limited to the public record.
Capital & rounds (filed)filed
Sandstone Diagnostics Inc has raised $14M in disclosed capital across 5 recorded rounds, aggregated from public filings. Its latest round is modeled as Series A (a $4.0M–$15M round).
Largest single filing: $5.9M on 2017-12-15.
Most recent recorded round closed around 2019-11-18.
Valuation (modeled)modeled
Provath models Sandstone Diagnostics Inc at approximately $52M (range $2.6M–$283M). This is an algorithmic estimate from round sizes and same-niche peers — not a quoted or reported figure.
Read: Fair. Modeled value is 1.05× the median modeled value of Series A Medical Devices companies in 2019–2021 (17 peers) — value vs value, same stage and era. Within the normal band (105% of peer median) for its niche.
Financing rhythm & timingmixed
Historic cadence: a new round about every 13 months.
Last raise 6.6 yr ago; this sector typically re-raises about every 16 months.
Silent for over 3× the sector's normal cadence.
The last round was 1.1× smaller than the prior — a bridge or down round.
Comparablesmixed
Capital scale ranks ahead of 84% of Medical Devices peers (233 compared).
Modeled value ranks above 78% of those peers.
Closest niche peers: Reliant Immune Diagnostics, Inc., Pristine Surgical LLC, Predictive Health Diagnostics Co., Juno Diagnostics, Inc., Allotrope Medical Inc..
Peoplefiled
14 named people on file across officers, directors and signatories.
Risks & flagsmixed
Financing has been silent well beyond sector cadence — possibly defunct, acquired, or paused.
No clearly named CEO/founder/principal in the surfaced records — key-person evidence is thin.