SILVERBACK THERAPEUTICS INC

EIN 81-1489190. What DOL Form 5500-SF filings (EFAST2) and SEC EDGAR company filings say about this entity, with the source and date on every fact. Latest record 2026-09-04.

Employer with a benefit plan · SEC filer

SILVERBACK THERAPEUTICS INC

Also filed as ARS Pharmaceuticals, Inc.

11682 EL CAMINO REAL, SAN DIEGO, CA 92130

EIN

81-1489190

SEC CIK

0001671858

SEC · 2026-09-04

Industry (SIC)

Pharmaceutical Preparations (2834)

SEC · 2026-09-04

State of incorporation

SEC · 2026-09-04

Ticker

SPRY

SEC · 2026-09-04

Latest SEC filing

144 2026-09-04

SEC · 2026-09-04

Benefit plan 1, 2022 filing

SILVERBACK THERAPEUTICS INC PLAN

DOL · 2023-08-02

Participants (start of year)

103

DOL · 2023-08-02

Plan assets (end of year)

DOL · 2023-08-02

Plan features

code 2E2F2G2J2K2S2T3D

DOL · 2023-08-02

Plan type

Multiemployer plan

DOL · 2023-08-02

Business code (NAICS)

541700

DOL · 2023-08-02

From DOL Form 5500-SF filings (EFAST2) · SEC EDGAR company filings. Latest record 2026-09-04.

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 California Secretary of State; search the California registry.

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.