# EDGAR Filing Document

**Accession Number:** 0000019614
**File Stem:** 0000919574-26-000704
**Filing Date:** 2026-2
**Character Count:** 3457
**Document Hash:** e08f75b43db86dfdeb9d7962dba8d074
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0000919574-26-000704.hdr.sgml**: 20260210

**ACCESSION NUMBER**: 0000919574-26-000704

**CONFORMED SUBMISSION TYPE**: 497

**PUBLIC DOCUMENT COUNT**: 2

**FILED AS OF DATE**: 20260210

**DATE AS OF CHANGE**: 20260210

**EFFECTIVENESS DATE**: 20260210

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** AB DISCOVERY GROWTH FUND, INC.
- **CENTRAL INDEX KEY:** 0000019614

**ORGANIZATION NAME:**
- **EIN:** 136021421
- **STATE OF INCORPORATION:** NY
- **FISCAL YEAR END:** 0731

**FILING VALUES:**
- **FORM TYPE:** 497
- **SEC ACT:** 1933 Act
- **SEC FILE NUMBER:** 002-10768
- **FILM NUMBER:** 26615690

**BUSINESS ADDRESS:**
- **STREET 1:** ALLIANCEBERNSTEIN LP
- **STREET 2:** 66 HUDSON BOULEVARD EAST, 26TH FLOOR
- **CITY:** NEW YORK
- **STATE:** NY
- **ZIP:** 10001
- **BUSINESS PHONE:** 2129691000

**MAIL ADDRESS:**
- **STREET 1:** ALLIANCEBERNSTEIN LP
- **STREET 2:** 66 HUDSON BOULEVARD EAST, 26TH FLOOR
- **CITY:** NEW YORK
- **STATE:** NY
- **ZIP:** 10001

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** ALLIANCEBERNSTEIN DISCOVERY GROWTH FUND, INC.
- **DATE OF NAME CHANGE:** 20121031

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** ALLIANCEBERNSTEIN SMALL MID CAP GROWTH FUND
- **DATE OF NAME CHANGE:** 20081103

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** ALLIANCEBERNSTEIN MID CAP GROWTH FUND INC
- **DATE OF NAME CHANGE:** 20030319

## Series and Classes Contracts Data

### AB DISCOVERY GROWTH FUND, INC. (Series ID: S000010117)

---

|  |  |  |
|:---|:---|:---|
| Class Name    | Ticker Symbol | Class ID   |
| Class A       | CHCLX         | C000028067 |
| Class C       | CHCCX         | C000028069 |
| Advisor Class | CHCYX         | C000028070 |
| Class I       | CHCIX         | C000028073 |
| Class Z       | CHCZX         | C000144785 |

---

## Series and Classes Contracts Data

### AB DISCOVERY GROWTH FUND, INC. (Series ID: S000010117)

| Class ID   | Class Name    | Ticker Symbol   |
|:---|:---|:---|
| C000028067 | Class A       | CHCLX           |
| C000028069 | Class C       | CHCCX           |
| C000028070 | Advisor Class | CHCYX           |
| C000028073 | Class I       | CHCIX           |
| C000144785 | Class Z       | CHCZX           |

**SUP-0101-0226**

![](image_001.jpg)

---

| |
|:---|
| **AB EQUITY FUNDS** |
| **AB Discovery Growth Fund (the "Fund")** |
| Class A (Ticker: CHCLX); Class C (Ticker: CHCCX); Class I (Ticker: CHCIX); |
| Advisor Class (Ticker: CHCYX); Class Z (Ticker: CHCZX) |

---

*Supplement dated February 10, 2026 to the Fund's Prospectus and Summary Prospectus (together, the "Prospectus"), dated October 31, 2025, as amended.*

\* \* \* \* \*

*The following replaces the fourth sentence under the heading "Principal Strategies" in the "Summary Information" section of the Prospectus:*

As of June 30, 2025, there were approximately 3,230 companies within the lowest 25% of the total U.S. equity market capitalization (excluding companies with market capitalizations of less than $10 million) with market capitalizations ranging from $10 million to $48.7 billion.

\* \* \* \* \*

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*This Supplement should be read in conjunction with the Prospectus for the Fund.*

*You should retain this Supplement with your Prospectus for future reference.*

The [A/B] Logo is a service mark of AllianceBernstein and AllianceBernstein<sup>®</sup>is a registered trademark used by permission of the owner, AllianceBernstein L.P.

**SUP-0101-0226**