Diligence memo · auto-generated · as of July 3, 2026

Hallador Petroleum Co

Hallador Petroleum Co has raised $33M over 1 round; too few niche peers to rank its valuation yet.

DeprioritizeFinancing has gone silent well past the sector's normal cadence — treat as inactive until outside confirmation of a live operation.

Businessfiled

Hallador Petroleum Co operates in Coal Mining, based in DENVER.

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

Capital & rounds (filed)filed

Hallador Petroleum Co has raised $33M in disclosed capital across 1 recorded round, aggregated from public filings. Its latest round is modeled as Series B (a $15M–$40M round).

Largest single filing: $33M on 2009-09-15.

Most recent recorded round closed around 2009-09-15.

Valuation (modeled)modeled

Provath models Hallador Petroleum Co at approximately $136M (range $78M–$524M). This is an algorithmic estimate from round sizes and same-niche peers — not a quoted or reported figure.

Too few comparable companies in this niche to rank the valuation fairly yet.

Financing rhythm & timingmixed

Last raise 16.8 yr ago; this sector typically re-raises about every 11 months.

Only one round on record and long silent — often defunct, acquired, or gone quiet.

Comparablesmixed

Capital scale ranks ahead of 79% of Coal Mining peers (76 compared).

Modeled value ranks above 84% of those peers.

Closest niche peers: Energy Coal Resources, Inc..

Peoplefiled

9 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.