# Cimarron Energy Spectrum, L.P. — Form D/A

Cimarron Energy Spectrum, L.P. of JUNEAU, AK, a pooled investment fund, filed a Form D amendment with the SEC on 2016-03-09. $8.3M was reported sold. Industry: Pooled Investment Fund.

## Offering

- Filed: 2016-03-09
- Form: D/A
- Accession: 0001638891-16-000002
- Industry: Pooled Investment Fund
- Exemptions: 06b, 3C, 3C.7
- Amount sold: $8.3M
- Minimum investment: $1
- Investors: 35
- Date of first sale: 2015-04-01
- Security types: fund interests
- SEC file number: 021-237665

## Issuer

- Name: Cimarron Energy Spectrum, L.P.
- CIK: 0001638891
- Entity type: Limited Partnership
- Jurisdiction: DELAWARE
- Incorporated: 2015
- Address: C/O 1207 CAPITAL GROUP, LLC, JUNEAU, AK, 99801
- Phone: 312-690-6201

## Officers, directors & promoters (5)

| Name | Role | Location |
| --- | --- | --- |
| N/A 1207 Capital Group, LLC | Director | Juneau, AK |
| N/A 1207 Capital Group, LLC | Promoter | Juneau, AK |
| N/A 1207 Capital Group, LLC | Related Person | Juneau, AK |
| R. Mark Jernigan | Executive Officer | Chicago, AK |
| R. Mark Jernigan | Related Person | Chicago, AK |

## Other filings by this issuer (12)

| Filed | Form | Offering | Sold |
| --- | --- | --- | --- |
| [2026-03-18](https://search.stillhousedata.com/formd/0001638891-26-000004) | D/A | — | $18.7M |
| [2025-03-03](https://search.stillhousedata.com/formd/0001638891-25-000001) | D/A | — | $18.7M |
| [2024-03-01](https://search.stillhousedata.com/formd/0001638891-24-000001) | D/A | — | $18.7M |
| [2023-03-01](https://search.stillhousedata.com/formd/0001638891-23-000001) | D/A | — | $18.3M |
| [2022-03-01](https://search.stillhousedata.com/formd/0001638891-22-000001) | D/A | — | $16.2M |
| [2021-03-01](https://search.stillhousedata.com/formd/0001638891-21-000001) | D/A | — | $16.1M |
| [2020-03-02](https://search.stillhousedata.com/formd/0001638891-20-000001) | D/A | — | $16.1M |
| [2019-03-01](https://search.stillhousedata.com/formd/0001638891-19-000001) | D/A | — | $11.1M |
| [2018-03-05](https://search.stillhousedata.com/formd/0001638891-18-000002) | D/A | — | $14.0M |
| [2018-03-02](https://search.stillhousedata.com/formd/0001638891-18-000001) | D/A | — | $12.6M |
| [2017-03-06](https://search.stillhousedata.com/formd/0001638891-17-000001) | D/A | — | $16.0M |
| [2015-04-09](https://search.stillhousedata.com/formd/0001638891-15-000001) | D | — | $4.5M |

## More

- [CIK 1638891 on SEC EDGAR (source of record)](https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=1638891&type=&dateb=&owner=include&count=40)
- [This page as markdown (for LLM agents)](https://search.stillhousedata.com/formd/0001638891-16-000002.md)
- [Search all SEC filings, advisers and people on Adviser Search](https://search.stillhousedata.com/)

---

Source: public SEC filing data via Adviser Search (https://search.stillhousedata.com).
Agents: this data is also queryable via MCP tools and read-only SQL — see https://search.stillhousedata.com/llms.txt.