EntityWire

EntityWire / EIN 26-0042539

Employer with a benefit plan

IPSEN BIOPHARMACEUTICALS, INC

EIN 26-0042539. What DOL Form 5500 filings (EFAST2) and SEC EDGAR company filings say about this entity, with the source and date on every fact. Latest record 2025-09-29.

Employer with a benefit plan ยท SEC filer

IPSEN BIOPHARMACEUTICALS, INC

Also filed as TERCICA INC

ONE MAIN STREET, CAMBRIDGE, MA 02142

EIN

26-0042539

Benefit plan 1, 2024 filing

IPSEN BIOPHARMACEUTICALS, INC. U.S. 401(K) PLAN

DOL · 2025-09-29

Participants (start of year)

1,211

DOL · 2025-09-29

Plan features

code 2F2G2J2K2T2E3F3H3D

DOL · 2025-09-29

Plan type

Single-employer plan

DOL · 2025-09-29

Business code (NAICS)

424210

DOL · 2025-09-29

Benefit plan 501, 2024 filing

IPSEN BIOPHARMACEUTICALS, INC.

DOL · 2025-09-12

Participants (start of year)

744

DOL · 2025-09-12

Plan features

code 4A4B4D4E4F4G4H4I4Q

DOL · 2025-09-12

Plan type

Single-employer plan

DOL · 2025-09-12

Business code (NAICS)

541700

DOL · 2025-09-12

Benefit plan 1, 2023 filing

IPSEN BIOPHARMACEUTICALS, INC. U.S. 401(K) PLAN

DOL · 2024-10-04

Participants (start of year)

1,063

DOL · 2024-10-04

Plan features

code 2F2G2J2K2T3D2E3F3H

DOL · 2024-10-04

Plan type

Single-employer plan

DOL · 2024-10-04

From DOL Form 5500 filings (EFAST2) · SEC EDGAR company filings. Latest record 2025-09-29.

What this record is

Public federal filings that carry this EIN, shown as filed. Nothing here is scraped from the IRS and nothing is inferred.

What it is not

Registry status, formation date, and registered agent come from the state where the entity is registered, not from these federal filings.

If something is wrong

A name, address, or classification here is what the source published. To correct the source, file with it; to have this page removed, see corrections and removal.

Look up another business

Free. Federal filings and state registries, stamped with their source and date.