# EDGAR Filing Document

**Accession Number:** 0001025040
**File Stem:** 0001213900-26-021902
**Filing Date:** 2026-2
**Character Count:** 2732
**Document Hash:** 84b5677f47d77bd9483c54cbc9b0611e
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001213900-26-021902.hdr.sgml**: 20260227

**ACCESSION NUMBER**: 0001213900-26-021902

**CONFORMED SUBMISSION TYPE**: X-17A-5

**PUBLIC DOCUMENT COUNT**: 2

**CONFORMED PERIOD OF REPORT**: 20251231

**FILED AS OF DATE**: 20260227

**DATE AS OF CHANGE**: 20260227

**EFFECTIVENESS DATE**: 20260227

**PERIOD START**: 20250101

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** OBERWEIS SECURITIES, INC.
- **CENTRAL INDEX KEY:** 0001025040

**ORGANIZATION NAME:**
- **EIN:** 364106772
- **STATE OF INCORPORATION:** IL
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** X-17A-5
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 008-49679
- **FILM NUMBER:** 26702960

**BUSINESS ADDRESS:**
- **STREET 1:** 3333 WARRENVILLE ROAD
- **STREET 2:** SUITE 500
- **CITY:** LISLE
- **STATE:** IL
- **ZIP:** 60532
- **BUSINESS PHONE:** 630-577-2326

**MAIL ADDRESS:**
- **STREET 1:** 3333 WARRENVILLE ROAD
- **STREET 2:** SUITE 500
- **CITY:** LISLE
- **STATE:** IL
- **ZIP:** 60532

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** OBERWEIS SECURITIES INC\\IL
- **DATE OF NAME CHANGE:** 20020415

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** OBERWEIS NET INC
- **DATE OF NAME CHANGE:** 20010403

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** OBERWEIS BROKERAGE INC
- **DATE OF NAME CHANGE:** 19990706

### Attached PDF Documents

**Attachment 1:** `formx17a5-pub.pdf`

_No text found in this document._

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

## FORM X-17A-5

### ANNUAL AUDITED REPORT

### Filer Information

**Filer CIK:** 0001025040

**Filer CCC:** XXXXXXXX

**Is this a LIVE or TEST filing?:** LIVE

**Would you like a Return Copy?:** No

### Submission Information

**Report Period Begin Date:** 01-01-2025

**Report Period End Date:** 12-31-2025

**Type of Registrant:** Broker-dealer

**Any material weaknesses identified?:** No

### Registrant Identification

**Name of Broker-Dealer:** OBERWEIS SECURITIES, INC.

**Business Address:** 3333 WARRENVILLE ROAD, SUITE 500, LISLE, IL, 60532

**Contact Person:** Eric V. Hannemann

**Contact Phone:** (630) 577-2387

### Independent Public Accountant Identification

**Accountant Name:** Cohen & Co.

**Accountant Address:** 1835 Market Street, Philadelphia, PA, 19103

**Accountant Type:** Certified Public Accountant

### OATH OR AFFIRMATION

I, **Eric V. Hannemann**, swear (or affirm) that, to the best of my knowledge and belief, the accompanying financial statements and supporting schedules pertaining to the firm of **Oberweis Securities, Inc.**, as of **12-31-2025**, are true and correct.

**Signature:** /s/ Eric V. Hannemann

**Title:** Chief Financial Officer

**Notarized:** Yes