# Mast OC I Master Fund L.P. — Form D/A

Mast OC I Master Fund L.P. of BOSTON, MA, a pooled investment fund, filed a Form D amendment with the SEC on 2017-03-16. $36.0M was reported sold. Industry: Pooled Investment Fund.

## Offering

- Filed: 2017-03-16
- Form: D/A
- Accession: 0001315863-17-000257
- Industry: Pooled Investment Fund
- Exemptions: 06b, 3C, 3C.1
- Amount sold: $36.0M
- Minimum investment: $100K
- Investors: 24
- Date of first sale: 2007-06-07
- Security types: equity, fund interests
- SEC file number: 021-194114

## Issuer

- Name: Mast OC I Master Fund L.P.
- CIK: 0001453011
- Entity type: Limited Partnership
- Jurisdiction: CAYMAN ISLANDS
- Address: 200 CLARENDON ST., BOSTON, MA, 02116
- Phone: 617-247-3006

## Officers, directors & promoters (7)

| Name | Role | Location |
| --- | --- | --- |
| N/A J Mast OC I IA, LLC | Executive Officer | Boston, MA |
| David J Steinberg | Executive Officer | Boston, MA |
| N/A J Mast OC I IA, LLC | Promoter | Boston, MA |
| Sean J Flynn | Director | Camana Bay, Grand Cayman, E9 |
| N/A J Mast Capital Management IA Holdings, LLC | Executive Officer | Boston, MA |
| N/A J Mast Capital Management IA Holdings, LLC | Promoter | Boston, MA |
| Jane J Fleming | Director | Grand Cayman, E9 |

## Other filings by this issuer (4)

| Filed | Form | Offering | Sold |
| --- | --- | --- | --- |
| [2016-03-24](https://search.stillhousedata.com/formd/0001315863-16-001322) | D/A | — | $35.8M |
| [2015-03-24](https://search.stillhousedata.com/formd/0001315863-15-000313) | D/A | — | $21.2M |
| [2014-03-26](https://search.stillhousedata.com/formd/0001315863-14-000222) | D/A | — | $10.9M |
| [2013-03-28](https://search.stillhousedata.com/formd/0001453011-13-000011) | D | — | $10.9M |

## More

- [CIK 1453011 on SEC EDGAR (source of record)](https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=1453011&type=&dateb=&owner=include&count=40)
- [This page as markdown (for LLM agents)](https://search.stillhousedata.com/formd/0001315863-17-000257.md)
- [Search all SEC filings, advisers and people on Adviser Search](https://search.stillhousedata.com/)

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