Diligence memo · auto-generated · as of July 2, 2026
Serious Materials Inc
Serious Materials Inc looks under-valued against its niche peers and is dormant on financing cadence.
Businessfiled
Serious Materials Inc operates in Manufacturing, based in Sunnyvale.
No verified homepage on file yet — operating evidence is limited to the public record.
Capital & rounds (filed)filed
Serious Materials Inc has raised $130M in disclosed capital across 5 recorded rounds, aggregated from public filings. Its latest round is modeled as Series C (a $40M–$100M round).
Largest single filing: $64M on 2009-08-25.
Most recent recorded round closed around 2011-07-22.
Valuation (modeled)modeled
Provath models Serious Materials Inc at approximately $34M (range $12M–$88M). This is an algorithmic estimate from round sizes and same-niche peers — not a quoted or reported figure.
Read: Under-valued. Modeled value is 0.06× the median modeled value of Series C Manufacturing companies in 2010–2012 (21 peers) — value vs value, same stage and era.
Financing rhythm & timingmixed
Historic cadence: a new round about every 6 months.
Last raise 14.9 yr ago; this sector typically re-raises about every 12 months.
Silent for over 3× the sector's normal cadence.
The last round was 1.2× smaller than the prior — a bridge or down round.
Comparablesmixed
Capital scale ranks ahead of 97% of Manufacturing peers (3257 compared).
Modeled value ranks above 73% of those peers.
Closest niche peers: DOVER Corp, Dura-Line Holdings, Inc., K&N Parent, Inc., Petmate Holdings Llc, Magnablend Holdings, Inc..
Peoplefiled
20 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.