# Palo Alto Advanced Life Sciences Offshore Fund, Ltd. — Form D/A

Palo Alto Advanced Life Sciences Offshore Fund, Ltd. of George Town, Grand Cayman, E9, a pooled investment fund, filed a Form D amendment with the SEC on 2023-03-03. $74.7M was reported sold. Industry: Pooled Investment Fund.

## Offering

- Filed: 2023-03-03
- Form: D/A
- Accession: 0000935836-23-000293
- Industry: Pooled Investment Fund
- Exemptions: 06b, 3C, 3C.7
- Amount sold: $74.7M
- Minimum investment: $5.0M
- Investors: 16
- Date of first sale: 2015-03-01
- Security types: equity, fund interests
- SEC file number: 021-235882

## Issuer

- Name: Palo Alto Advanced Life Sciences Offshore Fund, Ltd.
- CIK: 0001636553
- Entity type: Other
- Jurisdiction: CAYMAN ISLANDS
- Incorporated: 2010
- Address: Cayman Corporate Centre 27 HOSPITAL ROAD, George Town, Grand Cayman, E9, KY1 - 9008
- Phone: 650-325-0772

## Officers, directors & promoters (12)

| Name | Role | Location |
| --- | --- | --- |
| Jonathan Roney | Director | George Town, Grand Cayman, E9 |
| Jonathan Roney | Related Person | George Town, Grand Cayman, E9 |
| Cary Marr | Director | George Town, Grand Cayman, E9 |
| Cary Marr | Related Person | George Town, Grand Cayman, E9 |
| Patrick Y Lee | Director | Palo Alto, CA |
| Patrick Y Lee | Executive Officer | Palo Alto, CA |
| Anthony Joon Yun | Executive Officer | PALO ALTO, CA |
| Roger H Hanson | Director | Grand Cayman, E9 |
| N/A Y Palo Alto Investors, LP | Executive Officer | Palo Alto, CA |
| N/A Palo Alto Investors, LLC | Executive Officer | Palo Alto, CA |
| Patrick Y. Lee | Related Person | Palo Alto, CA |
| Roger H. Hanson | Related Person | George Town, Grand Cayman, E9 |

## Other filings by this issuer (12)

| Filed | Form | Offering | Sold |
| --- | --- | --- | --- |
| [2026-02-25](https://search.stillhousedata.com/formd/0000935836-26-000135) | D/A | — | $74.7M |
| [2025-02-26](https://search.stillhousedata.com/formd/0000935836-25-000198) | D/A | — | $74.7M |
| [2024-03-01](https://search.stillhousedata.com/formd/0000935836-24-000271) | D/A | — | $74.7M |
| [2022-03-16](https://search.stillhousedata.com/formd/0000935836-22-000239) | D/A | — | $74.7M |
| [2021-03-29](https://search.stillhousedata.com/formd/0000935836-21-000284) | D/A | — | $74.3M |
| [2020-03-31](https://search.stillhousedata.com/formd/0000935836-20-000234) | D/A | — | $64.3M |
| [2019-04-02](https://search.stillhousedata.com/formd/0001636553-19-000002) | D/A | — | $23.9M |
| [2018-04-02](https://search.stillhousedata.com/formd/0001636553-18-000001) | D/A | — | $15.3M |
| [2017-06-06](https://search.stillhousedata.com/formd/0001636553-17-000002) | D/A | — | $13.3M |
| [2016-06-06](https://search.stillhousedata.com/formd/0001636553-16-000002) | D/A | — | $11.3M |
| [2016-03-09](https://search.stillhousedata.com/formd/0001636553-16-000001) | D/A | — | $11.3M |
| [2015-03-13](https://search.stillhousedata.com/formd/0001575075-15-000002) | D | — | $4.8M |

## More

- [CIK 1636553 on SEC EDGAR (source of record)](https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=1636553&type=&dateb=&owner=include&count=40)
- [This page as markdown (for LLM agents)](https://search.stillhousedata.com/formd/0000935836-23-000293.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.
