# EDGAR Filing Document

**Accession Number:** 0000089031
**File Stem:** 0000089031-26-000001
**Filing Date:** 2026-1
**Character Count:** 2708
**Document Hash:** c88f978cdaafd52b84d94ae117a4a2f7
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0000089031-26-000001.hdr.sgml**: 20260122

**ACCESSION NUMBER**: 0000089031-26-000001

**CONFORMED SUBMISSION TYPE**: 497

**PUBLIC DOCUMENT COUNT**: 1

**FILED AS OF DATE**: 20260122

**DATE AS OF CHANGE**: 20260122

**EFFECTIVENESS DATE**: 20260122

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** AGL SEPARATE ACCOUNT D
- **CENTRAL INDEX KEY:** 0000089031

**ORGANIZATION NAME:**
- **EIN:** 250598210
- **STATE OF INCORPORATION:** TX
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** 497
- **SEC ACT:** 1933 Act
- **SEC FILE NUMBER:** 333-70667
- **FILM NUMBER:** 26550925

**BUSINESS ADDRESS:**
- **STREET 1:** 2727-A ALLEN PARKWAY
- **STREET 2:** -
- **CITY:** HOUSTON
- **STATE:** TX
- **ZIP:** 77019
- **BUSINESS PHONE:** 713-522-1111

**MAIL ADDRESS:**
- **STREET 1:** 2727-A ALLEN PARKWAY
- **STREET 2:** -
- **CITY:** HOUSTON
- **STATE:** TX
- **ZIP:** 77019

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** AMERICAN GENERAL LIFE INSURANCE CO OF DELAWARE SEPAR ACCT D
- **DATE OF NAME CHANGE:** 19920106

## Series and Classes Contracts Data

### AGL SEPARATE ACCOUNT D (Series ID: S000000575)

---

|  |  |
|:---|:---|
| Class Name                                                       | Class ID   |
| AGL Platinum Investor VA (333-70667 Form N-4) Contract No. 98020 | C000008713 |

---

## Series and Classes Contracts Data

### AGL SEPARATE ACCOUNT D (Series ID: S000000575)

| Class ID   | Class Name                                                       | Ticker Symbol   |
|:---|:---|:---|
| C000008713 | AGL Platinum Investor VA (333-70667 Form N-4) Contract No. 98020 |  |

```

                          SUPPLEMENT DATED JANUARY 22, 2026
                          TO THE VARIABLE ANNUITY PROSPECTUS
-------------------------------------------------------------------------------
                      AMERICAN GENERAL LIFE INSURANCE COMPANY

                                 SEPARATE ACCOUNT D
                          Platinum Investor Variable Annuity
-------------------------------------------------------------------------------
You should read this information carefully and retain this supplement for
future reference together with the prospectus for your policy.

This supplement describes a change to investment options available under your
contract.

Effective on December 31, 2025, the Opportunistic Small Cap Portfolio of BNY
Mellon Variable Investment Fund was renamed the Small Cap Portfolio.
Accordingly, all references to "Opportunistic Small Cap Portfolio" in the
prospectus are replaced with "Small Cap Portfolio."

Should you have any questions, you may contact our Annuity Service Center at
(800) 277-0914.

```