Diligence memo · auto-generated · as of July 2, 2026

Cambium Carbon PBC

Cambium Carbon PBC looks fair against its niche peers and is at-risk on financing cadence.

WatchOverdue for a raise versus sector cadence — could be a bridge, a down round, or distress. Watch for the next filing.

Businessfiled

Cambium Carbon PBC operates in Other Technology, based in Arbutus.

No verified homepage on file yet — operating evidence is limited to the public record.

Capital & rounds (filed)filed

Cambium Carbon PBC has raised $8.2M in disclosed capital across 3 recorded rounds, aggregated from public filings. Its latest round is modeled as Series A (a $4.0M–$15M round).

Largest single filing: $5.4M on 2023-03-10.

Most recent recorded round closed around 2023-03-10.

Valuation (modeled)modeled

Provath models Cambium Carbon PBC at approximately $48M (range $6.8M–$140M). This is an algorithmic estimate from round sizes and same-niche peers — not a quoted or reported figure.

Read: Fair. Modeled value is 0.95× the median modeled value of Series A Other Technology companies in 2022–2024 (1325 peers) — value vs value, same stage and era. Within the normal band (95% of peer median) for its niche.

Financing rhythm & timingmixed

Historic cadence: a new round about every 6 months.

Last raise 3.3 yr ago; this sector typically re-raises about every 13 months.

Past due for a raise versus sector cadence — watch for distress or a bridge.

The last round was 1.0× smaller than the prior — a bridge or down round.

Comparablesmixed

Capital scale ranks ahead of 69% of Other Technology peers (21302 compared).

Modeled value ranks above 57% of those peers.

Closest niche peers: Phylum, Inc., Keon Foundation Ltd., Remoteam Inc., MultiSafe, Inc., Careerian Inc..

Peoplefiled

3 named people on file across officers, directors and signatories.

Risks & flagsmixed

Overdue for a raise versus sector norm — distress or bridge risk.

No clearly named CEO/founder/principal in the surfaced records — key-person evidence is thin.