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EntityWire/California business entity search →/RAMBUS, INC.

Employer with a benefit plan

RAMBUS, INC.

The Employer Identification Number (EIN) for RAMBUS, INC. is 94-3112828.

At a glance

EIN
94-3112828 · 943112828
Legal name
RAMBUS, INC.
Address on file
4453 NORTH 1ST STREET, SAN JOSE, CA 95134
Records show
SEC filer; employer with a benefit plan; state registration
Latest record
2026-09-05

State registration

Texas Comptroller active franchise taxpayers file · records as of 2026-09-05

Texas registration
Active · Foreign profit corporation
Source: Texas Comptroller · as of 2026-09-05
Texas document number
19431128289
Source: Texas Comptroller · as of 2026-09-05

SEC records

SEC EDGAR company filings · records as of 2026-09-04

SEC CIK
0000917273
Source: SEC · as of 2026-09-04
Industry (SIC)
Semiconductors & Related Devices (3674)
Source: SEC · as of 2026-09-04
State of incorporation
DE
Source: SEC · as of 2026-09-04
Ticker
RMBS
Source: SEC · as of 2026-09-04
Latest SEC filing
8-K 2026-09-04
Source: SEC · as of 2026-09-04

Benefit plans

DOL Form 5500 filings (EFAST2) · records as of 2025-09-19

Benefit plan 1, 2024 filing
RAMBUS INC. 401(K) PLAN
Source: DOL 5500 · as of 2025-09-19
Participants (start of year)
609
Source: DOL 5500 · as of 2025-09-19
Plan features
ERISA 404(c) plan; Participant-directed; 401(k) feature; 401(m) matching; Automatic enrollment; Pre-approved plan
Source: DOL 5500 · as of 2025-09-19
Plan type
Single-employer plan
Source: DOL 5500 · as of 2025-09-19
Business code (NAICS)
541519
Source: DOL 5500 · as of 2025-09-19
Benefit plan 501, 2024 filing
THE RAMBUS, INC. EMPLOYEE BENEFIT PLAN
Source: DOL 5500 · as of 2025-07-24
Participants (start of year)
300
Source: DOL 5500 · as of 2025-07-24

What this record is

Public filings that carry this EIN (DOL Form 5500 filings (EFAST2), SEC EDGAR company filings and Texas Comptroller active franchise taxpayers file), shown as filed. Nothing is scraped from the IRS, and a public-record match is not IRS TIN validation.

What it is not

Registry status, formation date, and registered agent come from the California Secretary of State, Business Programs Division (Business Entities); see the California business entity search.

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.

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