# Trethera Corp — Form D/A

Trethera Corp of Los Angeles, CA, a company, filed a Form D amendment with the SEC on 2016-10-20. The offering totals $20.0M, of which $10.0M was reported sold. Industry: Biotechnology.

## Offering

- Filed: 2016-10-20
- Form: D/A
- Accession: 0001382963-16-000247
- Industry: Biotechnology
- Exemptions: 06b
- Total offering: $20.0M
- Amount sold: $10.0M
- Remaining: $10.0M
- Investors: 43
- Date of first sale: 2016-02-10
- Security types: equity
- Revenue range: Decline to Disclose
- SEC file number: 021-257926

## Issuer

- Name: Trethera Corp
- CIK: 0001639837
- Entity type: Corporation
- Jurisdiction: DELAWARE
- Incorporated: 2015
- Address: 11601 Wilshire Blvd., Fifth Floor, Los Angeles, CA, 90025
- Phone: (949) 422-9676

## Officers, directors & promoters (31)

_Showing 25 of 31 people._

| Name | Role | Location |
| --- | --- | --- |
| Johannes Czernin | Director | Santa Monica, CA |
| Caius B Radu | Director | Santa Monica, CA |
| Louis L Gonda | Director | Sherman Oaks, CA |
| Kenneth A Schultz, M.D. | Director | Sherman Oaks, CA |
| Kenneth A Schultz, M.D. | Executive Officer | Sherman Oaks, CA |
| Laurent Boyd Dubois | Director | Sherman Oaks, CA |
| Carl McKinzie | Director | TORRANCE, CA |
| Carl McKinzie | Executive Officer | TORRANCE, CA |
| Timothy Donahue, M.D. | Director | Los Angeles, CA |
| Timothy Donahue, M.D. | Related Person | Los Angeles, CA |
| R. Boyd Quinnell | Director | Sherman Oaks, CA |
| Jean B deKernion | Director | Los Angeles, CA |
| Jean B deKernion | Executive Officer | Los Angeles, CA |
| Carl W McKinzie | Director | Los Angeles, CA |
| Carl W McKinzie | Executive Officer | Los Angeles, CA |
| Timothy B Donahue, M.D. | Director | Los Angeles, CA |
| Timothy L Donahue, M.D. | Director | Los Angeles, CA |
| Lynne Rollins | Related Person | Los Angeles, CA |
| Lynne W Rollins | Executive Officer | Los Angeles, CA |
| Nathan W Mata | Executive Officer | Santa Monica, CA |
| Johanna Holldack | Director | Santa Monica, CA |
| Johanna Holldack | Executive Officer | Santa Monica, CA |
| Owen L Witte, M.D. | Director | Santa Monica, CA |
| John W Stretton | Executive Officer | Beverly Hills, CA |
| Johannes L Czernin | Director | Los Angeles, CA |

## Other filings by this issuer (9)

| Filed | Form | Offering | Sold |
| --- | --- | --- | --- |
| [2025-05-02](https://search.stillhousedata.com/formd/0001639837-25-000001) | D | $5.0M | $250K |
| [2022-05-17](https://search.stillhousedata.com/formd/0001639837-22-000001) | D | — | $3.8M |
| [2021-02-24](https://search.stillhousedata.com/formd/0001639837-21-000001) | D | $3.3M | $3.3M |
| [2019-04-17](https://search.stillhousedata.com/formd/0001639837-19-000002) | D | $10.0M | $581K |
| [2019-03-11](https://search.stillhousedata.com/formd/0001639837-19-000001) | D | $8.1M | $8.1M |
| [2017-03-07](https://search.stillhousedata.com/formd/0001382963-17-000052) | D | $5.0M | $4.2M |
| [2016-02-23](https://search.stillhousedata.com/formd/0001382963-16-000150) | D | $10.0M | $7.4M |
| [2015-07-02](https://search.stillhousedata.com/formd/0001639837-15-000003) | D/A | $6.0M | $4.9M |
| [2015-04-17](https://search.stillhousedata.com/formd/0001639837-15-000002) | D | $4.0M | $800K |

## More

- [CIK 1639837 on SEC EDGAR (source of record)](https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=1639837&type=&dateb=&owner=include&count=40)
- [This page as markdown (for LLM agents)](https://search.stillhousedata.com/formd/0001382963-16-000247.md)
- [Search all SEC filings, advisers and people on Adviser Search](https://search.stillhousedata.com/)

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Agents: this data is also queryable via MCP tools and read-only SQL — see https://search.stillhousedata.com/llms.txt.