# Treeline Biosciences, Inc. — Form D

Treeline Biosciences, Inc. of WATERTOWN, MA, a company, filed a Form D exempt-offering notice with the SEC on 2025-09-04. The offering totals $250.0M, of which $200.1M was reported sold. Industry: Biotechnology.

## Offering

- Filed: 2025-09-04
- Form: D
- Accession: 0001856619-25-000002
- Industry: Biotechnology
- Exemptions: 06b
- Total offering: $250.0M
- Amount sold: $200.1M
- Remaining: $49.9M
- Investors: 22
- Date of first sale: 2025-08-21
- Security types: equity
- Revenue range: Decline to Disclose
- SEC file number: 021-556563

## Issuer

- Name: Treeline Biosciences, Inc.
- CIK: 0001856619
- Entity type: Corporation
- Jurisdiction: DELAWARE
- Incorporated: 2021
- Address: 500 ARSENAL ST., WATERTOWN, MA, 02472
- Phone: (857) 228-0050

## Officers, directors & promoters (13)

| Name | Role | Location |
| --- | --- | --- |
| Joshua H Bilenker | Director | Watertown, MA |
| David H Bonita | Director | Watertown, MA |
| Kristina H Burow | Director | Watertown, MA |
| Steven H Elms | Director | Watertown, MA |
| Jeffrey H Engelman | Director | Watertown, MA |
| Aftab H Kherani | Director | Watertown, MA |
| Avi H Naider | Director | Watertown, MA |
| Ali H Satvat | Director | Watertown, MA |
| David H Schenkein | Director | Watertown, MA |
| Joshua H Bilenker | Executive Officer | Watertown, MA |
| Jeffrey H Engelman | Executive Officer | Watertown, MA |
| Joshua H Bilenker | Promoter | Watertown, MA |
| Jeffrey H Engelman | Promoter | Watertown, MA |

## Other filings by this issuer (3)

| Filed | Form | Offering | Sold |
| --- | --- | --- | --- |
| [2024-10-17](https://search.stillhousedata.com/formd/0001856619-24-000002) | D | $421.8M | $421.8M |
| [2022-10-11](https://search.stillhousedata.com/formd/0001856619-22-000003) | D | $269.3M | $261.3M |
| [2021-04-30](https://search.stillhousedata.com/formd/0001856619-21-000001) | D | $220.0M | $211.7M |

## More

- [CIK 1856619 on SEC EDGAR (source of record)](https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=1856619&type=&dateb=&owner=include&count=40)
- [This page as markdown (for LLM agents)](https://search.stillhousedata.com/formd/0001856619-25-000002.md)
- [Search all SEC filings, advisers and people on Adviser Search](https://search.stillhousedata.com/)

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