# EDGAR Filing Document

**Accession Number:** 0001593670
**File Stem:** 9999999995-23-000627
**Filing Date:** 2023-3
**Character Count:** 1988
**Document Hash:** 3e3c6ea4cd0111592cfe7b79590ec504
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**9999999995-23-000627.hdr.sgml**: 20230323

**ACCESSION NUMBER**: 9999999995-23-000627

**CONFORMED SUBMISSION TYPE**: EFFECT

**PUBLIC DOCUMENT COUNT**: 1

**FILED AS OF DATE**: 20230322

**DATE AS OF CHANGE**: 20230323

**EFFECTIVENESS DATE**: 20230322

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** Rubicon Technology, Inc.
- **CENTRAL INDEX KEY:** 0001410172
- **STANDARD INDUSTRIAL CLASSIFICATION:** SEMICONDUCTORS & RELATED DEVICES [3674]
- **IRS NUMBER:** 364419301
- **STATE OF INCORPORATION:** DE
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** EFFECT
- **SEC ACT:** 1933 Act
- **SEC FILE NUMBER:** 333-192536
- **FILM NUMBER:** 23754328

**BUSINESS ADDRESS:**
- **STREET 1:** 900 EAST GREEN STREET
- **CITY:** BENSENVILLE
- **STATE:** IL
- **ZIP:** 60106
- **BUSINESS PHONE:** (847) 295-7000

**MAIL ADDRESS:**
- **STREET 1:** 900 EAST GREEN STREET
- **CITY:** BENSENVILLE
- **STATE:** IL
- **ZIP:** 60106
**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** Rubicon Worldwide LLC
- **CENTRAL INDEX KEY:** 0001593670
- **IRS NUMBER:** 364419301
- **STATE OF INCORPORATION:** IL
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** EFFECT
- **SEC ACT:** 1933 Act
- **SEC FILE NUMBER:** 333-192536-01
- **FILM NUMBER:** 23754329

**BUSINESS ADDRESS:**
- **STREET 1:** 900 EAST GREEN STREET
- **CITY:** BENSENVILLE
- **STATE:** IL
- **ZIP:** 60106
- **BUSINESS PHONE:** 847-295-7000

**MAIL ADDRESS:**
- **STREET 1:** 900 EAST GREEN STREET
- **CITY:** BENSENVILLE
- **STATE:** IL
- **ZIP:** 60106

### UNITED STATES
### SECURITIES AND EXCHANGE COMMISSION
**Washington, D.C. 20549**

## Notice of Effectiveness

**Date:** March 22, 2023

**Accession Number:** 0001213900-23-021451

**Form Type:** POS AM

---

**CIK:** 0001410172

**Company Name:** Rubicon Technology, Inc.

**File Number:** 333-192536

---

**CIK:** 0001593670

**Company Name:** Rubicon Worldwide LLC

**File Number:** 333-192536-01