# HEARTLAND OIL & GAS CORP

HEARTLAND OIL & GAS CORP is a company headquartered in Denver, CO, United States.

## Company overview

- **Legal name:** HEARTLAND OIL & GAS CORP
- **Former names in filing history:** HEARTLAND OIL & GAS LTD (2003-02-27 to 2003-05-16); ADRIATIC HOLDINGS LTD (1999-12-22 to 2002-11-14)
- **Classification:** Company
- **Industry (SIC):** 1221 — Bituminous Coal & Lignite Surface Mining
- **Headquarters:** Denver, CO, United States
- **Incorporated in:** NV
- **Fiscal year end:** December 31
- **SEC CIK:** 0001075636

## About

HEARTLAND OIL & GAS CORP is identified in the retained SEC EDGAR snapshot dated 2026-10-14. Its SEC Central Index Key is 0001075636, and its reported industry is Bituminous Coal & Lignite Surface Mining. The retained history contains 12 filings, including 10-Q filed on 2008-08-20. Each filing retains its accession, filing date and original SEC document link. This historical evidence does not establish current registration, listing, ownership or financial condition.

## Recent SEC filings

- Form 10-Q — filed 2008-08-20 — period 2008-06-30
- Form 10-Q — filed 2008-05-20 — period 2008-03-31 — 10-Q
- Form 8-K — filed 2008-03-07 — period 2008-03-06
- Form 8-K — filed 2008-02-01 — period 2008-02-01 — 8K - FALL RESIGNATION
- Form 8-K — filed 2007-10-11 — period 2007-09-30 — HEARTLAND OIL AND GAS CORP 8K
- Form 8-K — filed 2007-10-01 — period 2007-09-30 — HEARTLAND 8K
- Form 8-K — filed 2007-08-01 — period 2007-07-27 — FORM 8-K
- Form 8-K — filed 2007-07-06 — period 2007-07-05 — FORM 8-K
- Form SC 13D — filed 2007-05-03 — SCHEDULE 13D
- Form 8-K — filed 2007-04-23 — period 2007-04-19 — FORM 8-K
- Form 8-K — filed 2007-04-05 — period 2007-04-04 — FORM 8-K
- Form 8-K — filed 2007-03-30 — period 2007-03-27 — FORM 8-K

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Updated: 2026-10-23T22:43:49Z

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