# Terrestrial Bio, Inc. — Form D

Terrestrial Bio, Inc. of WOBURN, MA, a company, filed a Form D exempt-offering notice with the SEC on 2026-03-19. The offering totals $83.5M, of which $57.3M was reported sold. Industry: Biotechnology.

## Offering

- Filed: 2026-03-19
- Form: D
- Accession: 0001578117-26-000002
- Industry: Biotechnology
- Exemptions: 06b
- Total offering: $83.5M
- Amount sold: $57.3M
- Remaining: $26.2M
- Investors: 16
- Date of first sale: 2026-03-04
- Security types: equity
- Revenue range: Decline to Disclose
- SEC file number: 021-577032

## Issuer

- Name: Terrestrial Bio, Inc.
- CIK: 0001578117
- Entity type: Corporation
- Jurisdiction: DELAWARE
- Incorporated: 2012
- Address: 30 CUMMINGS PARK DRIVE, WOBURN, MA, 01801
- Phone: 614-507-9586

## Officers, directors & promoters (31)

_Showing 25 of 31 people._

| Name | Role | Location |
| --- | --- | --- |
| Kathryn Kousda | Director | Woburn, MA |
| Kathryn Kousda | Executive Officer | Woburn, MA |
| Linda Tussey | Executive Officer | Woburn, MA |
| Peter Kolchinsky | Director | Boston, MA |
| Matthew Dirckx | Executive Officer | Woburn, MA |
| Jonathan Kluge | Executive Officer | Woburn, MA |
| Ann DeWitt | Director | Woburn, MA |
| Fenel Eloi | Director | Woburn, MA |
| Rachel Sha | Director | Woburn, MA |
| Rachel Sha | Executive Officer | Woburn, MA |
| Weiner Tilsner | Executive Officer | Woburn, MA |
| Kathryn Kosuda | Director | Woburn, MA |
| Kathryn Kosuda | Executive Officer | Woburn, MA |
| Lynda Tussey | Executive Officer | Woburn, MA |
| John Spiridigliozzi | Executive Officer | Woburn, MA |
| Livio Valenti | Executive Officer | Woburn, MA |
| Michael Schrader | Director | WATERTOWN, MA |
| Michael Schrader | Executive Officer | WATERTOWN, MA |
| Aaron Sandoski | Director | Bedford, MA |
| Mario Barro | Director | Weston, FL |
| Mark Tracy | Executive Officer | Chicago, IL |
| James Connolly | Director | San Francisco, CA |
| Fenel M Eloi | Director | Cambridge, MA |
| Livio M Valenti | Executive Officer | Cambridge, MA |
| Jonathan M Kluge | Executive Officer | Cambridge, MA |

## Other filings by this issuer (11)

| Filed | Form | Offering | Sold |
| --- | --- | --- | --- |
| [2025-09-10](https://search.stillhousedata.com/formd/0001578117-25-000003) | D | $10.0M | $7.9M |
| [2025-02-26](https://search.stillhousedata.com/formd/0001578117-25-000001) | D | $10.0M | $8.4M |
| [2024-05-28](https://search.stillhousedata.com/formd/0001578117-24-000001) | D | $12.0M | $10.8M |
| [2023-07-24](https://search.stillhousedata.com/formd/0001578117-23-000001) | D | $12.1M | $9.1M |
| [2022-12-23](https://search.stillhousedata.com/formd/0001578117-22-000003) | D/A | $35.0M | $35.0M |
| [2022-10-04](https://search.stillhousedata.com/formd/0001578117-22-000002) | D | $2.0M | $2.0M |
| [2021-05-14](https://search.stillhousedata.com/formd/0001578117-21-000003) | D | $35.0M | $25.3M |
| [2021-03-26](https://search.stillhousedata.com/formd/0001578117-21-000002) | D | $2.0M | $2.0M |
| [2019-02-15](https://search.stillhousedata.com/formd/0001578117-19-000001) | D | $3.6M | $3.6M |
| [2017-01-09](https://search.stillhousedata.com/formd/0001578117-17-000002) | D | $863K | $863K |
| [2013-05-29](https://search.stillhousedata.com/formd/0001578117-13-000001) | D | $3.8M | $1.3M |

## More

- [CIK 1578117 on SEC EDGAR (source of record)](https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=1578117&type=&dateb=&owner=include&count=40)
- [This page as markdown (for LLM agents)](https://search.stillhousedata.com/formd/0001578117-26-000002.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.
