# Dallas Proton Treatment Holdings, LLC — Form D/A

Dallas Proton Treatment Holdings, LLC of CARLSBAD, CA, a company, filed a Form D amendment with the SEC on 2015-03-10. $75.6M was reported sold. Industry: Hospitals and Physicians.

## Offering

- Filed: 2015-03-10
- Form: D/A
- Accession: 0001545280-15-000001
- Industry: Hospitals and Physicians
- Exemptions: 06b
- Amount sold: $75.6M
- Minimum investment: $50K
- Investors: 155
- Date of first sale: 2012-04-02
- Security types: equity, debt
- Revenue range: Decline to Disclose
- SEC file number: 021-175996

## Issuer

- Name: Dallas Proton Treatment Holdings, LLC
- CIK: 0001545280
- Entity type: Limited Liability Company
- Jurisdiction: DELAWARE
- Incorporated: 2010
- Address: 2888 LOKER AVENUE EAST, CARLSBAD, CA, 92010
- Phone: 858-875-2260

## Officers, directors & promoters (7)

| Name | Role | Location |
| --- | --- | --- |
| James L Thomson | Director | Carlsbad, CA |
| James L Thomson | Executive Officer | Carlsbad, CA |
| Sarah L Hutchinson | Director | Carlsbad, CA |
| Sarah L Hutchinson | Executive Officer | Carlsbad, CA |
| Jeffrey L Bordok | Director | Carlsbad, CA |
| Jeffrey L Bordok | Executive Officer | Carlsbad, CA |
| Casey L Gilley | Executive Officer | Carlsbad, CA |

## Other filings by this issuer (4)

| Filed | Form | Offering | Sold |
| --- | --- | --- | --- |
| [2015-12-16](https://search.stillhousedata.com/formd/0001558219-15-000004) | D/A | — | $79.1M |
| [2013-10-29](https://search.stillhousedata.com/formd/0001545280-13-000006) | D/A | — | $54.0M |
| [2013-09-13](https://search.stillhousedata.com/formd/0001545280-13-000004) | D/A | $93.0M | $52.0M |
| [2012-03-30](https://search.stillhousedata.com/formd/0001545280-12-000001) | D | $93.0M | — |

## More

- [CIK 1545280 on SEC EDGAR (source of record)](https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=1545280&type=&dateb=&owner=include&count=40)
- [This page as markdown (for LLM agents)](https://search.stillhousedata.com/formd/0001545280-15-000001.md)
- [Search all SEC filings, advisers and people on Adviser Search](https://search.stillhousedata.com/)

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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.
