# EDGAR Filing Document

**Accession Number:** 0000909504
**File Stem:** 0001829126-26-003115
**Filing Date:** 2026-4
**Character Count:** 3167
**Document Hash:** 1f6d31edf9c2f0f0e7636545436aba8c
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001829126-26-003115.hdr.sgml**: 20260402

**ACCESSION NUMBER**: 0001829126-26-003115

**CONFORMED SUBMISSION TYPE**: 497K

**PUBLIC DOCUMENT COUNT**: 1

**FILED AS OF DATE**: 20260402

**DATE AS OF CHANGE**: 20260402

**EFFECTIVENESS DATE**: 20260402

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** GAMCO GLOBAL SERIES FUNDS, INC
- **CENTRAL INDEX KEY:** 0000909504

**ORGANIZATION NAME:**
- **EIN:** 000000000
- **STATE OF INCORPORATION:** MD
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** 497K
- **SEC ACT:** 1933 Act
- **SEC FILE NUMBER:** 033-66262
- **FILM NUMBER:** 26834493

**BUSINESS ADDRESS:**
- **STREET 1:** ONE CORPORATE CENTER
- **CITY:** RYE
- **STATE:** NY
- **ZIP:** 10580
- **BUSINESS PHONE:** 8004223554

**MAIL ADDRESS:**
- **STREET 1:** ONE CORPORATE CENTER
- **CITY:** RYE
- **STATE:** NY
- **ZIP:** 10580

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** GABELLI GLOBAL SERIES FUNDS INC
- **DATE OF NAME CHANGE:** 19930805

## Series and Classes Contracts Data

### The Gabelli Global Rising Income and Dividend Fund (Series ID: S000001064)

| Class ID   | Class Name   | Ticker Symbol   |
|:---|:---|:---|
| C000002862 | CLASS A      | GAGAX           |
| C000002865 | CLASS AAA    | GAGCX           |
| C000034308 | CLASS I      | GAGIX           |

**Filed Pursuant to Rule 497(k)**

**Registration No. 033-66262**

**GAMCO GLOBAL SERIES FUNDS, INC.**

**The Gabelli Global Rising Income and Dividend Fund**

**Supplement dated March 31, 2026**

**to**

**Summary Prospectus dated April 30, 2025 and supplemented from time to time**

This supplement amends certain information in the Summary Prospectus (the "Summary Prospectus") dated April 30, 2025 and supplemented from time to time of The Gabelli Global Rising Income and Dividend Fund (the "GRID Fund"). Unless otherwise indicated, all other information included in the Summary Prospectus, or any previous supplements thereto, that is not inconsistent with the information set forth in this supplement, remains unchanged. Capitalized terms not otherwise defined in this supplement have the same meaning as in the Summary Prospectus.

*The following paragraph replaces the disclosure in the GRID Fund Summary Prospectus sub-section entitled "The Portfolio Manager" beginning on page 6:*

**<u>The Portfolio Managers</u>.** Mario J. Gabelli, CFA, Robert D. Leininger, and Macrae Sykes are primarily responsible for the day-to-day management of the Fund. Mr. Gabelli has served as portfolio manager of the Fund since 1994, and Messrs. Leininger and Sykes have served as portfolio managers of the Fund since March 2026.

The investment team assists in developing and executing the Fund's investment strategy, and includes Justin Bergner, Sarah Donnelly, Joseph Gabelli, and Brian C. Sponheimer.

The members of the investment team may take on primary responsibility for the day-to-day management of the Fund in place of or in addition to the named portfolio managers, and are subject to change from time to time, in the judgment and at the discretion of the Adviser.

**SHAREHOLDERS SHOULD RETAIN THIS SUPPLEMENT FOR FUTURE REFERENCE**