OG4 Limited Partnership is an energy fund based in Southlake, Texas. According to its most recent Form D, filed Jan 7, 2026, it has sold $11,899,980 of interests to 113 investors since its first sale in Oct 2025. The minimum investment it accepts from an outside investor is $35,000. The offering uses Rule 506(c), which permits general advertising to investors verified as accredited. Based on its first sale date and the amount raised, AltMountain classifies it as an emerging manager. Related persons named in the filing include Courtney Moeller.
- Total raised
- $11,899,980Cumulative sales reported on Form D
- Investors
- 113
- First sale
- Oct 9, 2025
- Minimum investment
- $35,000
- Who can invest
- Not stated
- Offering exemption
- Rule 506(c)May advertise; investors must be verified as accredited
- Key people and entities
- Courtney Moeller
- Latest Form D
- Jan 7, 2026
From SEC filings, not verified. This page republishes the fund's Form D as filed. It is not an offer, solicitation or recommendation, and AltMountain has not reviewed the fund. “Raised” is cumulative sales, not current assets or performance. Returns are not part of SEC filings. Private funds are speculative, illiquid and generally limited to accredited investors or qualified purchasers. Full disclosures · Request a correction
Questions about OG4 Limited Partnership
What is the minimum investment for OG4 Limited Partnership?
According to its latest Form D, filed Jan 7, 2026, the minimum investment OG4 Limited Partnership accepts from an outside investor is $35,000.
Who can invest in OG4 Limited Partnership?
OG4 Limited Partnership is generally open only to investors who meet the eligibility rules in its offering documents. It uses Rule 506(c), so it may advertise, but every investor must be verified as accredited.
How much has OG4 Limited Partnership raised?
OG4 Limited Partnership reports $11,899,980 sold from 113 investors on its Form D filed Jan 7, 2026. This is cumulative sales since the offering began, not current assets or performance.
Where is OG4 Limited Partnership based?
OG4 Limited Partnership is based in Southlake, Texas.
When did OG4 Limited Partnership launch?
OG4 Limited Partnership reports its first sale in Oct 2025, which makes it an emerging manager by AltMountain's definition (first sale in 2021 or later and under $50 million raised).
Size compared with every energy fund
Raised more than 88% of the 362 energy funds based in Texas, and more than 75% of all 345 that report sales.