Fund family · SEC Form D record

Flatland Mineral Fund funds

Flatland Mineral Fund has 4 vehicles on the SEC Form D record, in 3 numbered generations, filed from 2017 to 2026. The newest is Flatland Mineral Fund IV, LP, first filed Mar 26, 2026.

Vehicles
4
Numbered generations
3
First filing
2017
Latest filing
Mar 26, 2026

Names, dates and status as filed on SEC EDGAR. A Form D is a notice of an exempt offering; the SEC does not review or approve it. Grouped by name; see the last question below.

Fund IV

1 vehicle · first filed

VehicleSleeveFirst filedLatest filingFiling recordSEC
Flatland Mineral Fund IV, LPCIK 2124222Filed within 13 monthsEDGAR

Sold to date and investors

Unlock in the terminal (Investor)

Fund III

1 vehicle · first filed

VehicleSleeveFirst filedLatest filingFiling recordSEC
Flatland Mineral Fund III, LPCIK 1880108Sold the stated amountEDGAR

Sold to date and investors

Unlock in the terminal (Investor)

Fund II

1 vehicle · first filed

VehicleSleeveFirst filedLatest filingFiling recordSEC
Flatland Mineral Fund II, LPCIK 1728485No amendment after 13 monthsEDGAR

Sold to date and investors

Unlock in the terminal (Investor)

Unnumbered

1 vehicle · first filed

VehicleSleeveFirst filedLatest filingFiling recordSEC
Flatland Mineral Fund, LPCIK 1702512Sold the stated amountEDGAR

Sold to date and investors

Unlock in the terminal (Investor)

Questions about the Flatland Mineral Fund funds

How many Flatland Mineral Fund funds are there?
The SEC Form D record shows 4 vehicles in 3 numbered generations, the earliest filed Apr 5, 2017 and the latest filing on Mar 26, 2026. By generation: Fund IV (Flatland Mineral Fund IV, LP, first filed Mar 26, 2026); Fund III (Flatland Mineral Fund III, LP, first filed Sep 29, 2021); Fund II (Flatland Mineral Fund II, LP, first filed Jan 25, 2018).
What is the latest Flatland Mineral Fund fund?
Flatland Mineral Fund IV, LP, which first filed a Form D on Mar 26, 2026. Its own page carries the filed terms, the people named on the form and every filing on EDGAR.
Who is the adviser to the Flatland Mineral Fund funds?
AltStreet has not joined a Form ADV adviser to this family's Form D filings. The adviser, if any, appears in each fund's offering documents, which a Form D does not include.
How much have the Flatland Mineral Fund funds raised?
Each vehicle reports an amount sold and an investor count on its latest Form D or amendment, and those figures are on each vehicle's entity page. The totals by generation are in the AltStreet Terminal (Investor), where master and parallel sleeves that report one family-wide figure are counted once.
How does AltStreet group these funds into a family?
By name: the base name minus the fund number, sleeve letters, jurisdiction and legal form, read from each issuer's Form D (lib/edgar/fundFamilies.ts). 'Fund IV' is generation 4; a vehicle whose name carries no number is listed as unnumbered. It is a name-based grouping, not a statement of common control; the filings on each entity page show the related persons as filed.