# EDGAR Filing Document

**Accession Number:** 0000842790
**File Stem:** 0001193125-26-254725
**Filing Date:** 2026-6
**Character Count:** 17607
**Document Hash:** 8845b9d4ed5a839b4d5ba2b6812ce29e
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001193125-26-254725.hdr.sgml**: 20260603

**ACCESSION NUMBER**: 0001193125-26-254725

**CONFORMED SUBMISSION TYPE**: 497

**PUBLIC DOCUMENT COUNT**: 1

**FILED AS OF DATE**: 20260603

**DATE AS OF CHANGE**: 20260603

**EFFECTIVENESS DATE**: 20260603

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** AIM INVESTMENT SECURITIES FUNDS (INVESCO INVESTMENT SECURITIES FUNDS)
- **CENTRAL INDEX KEY:** 0000842790

**ORGANIZATION NAME:**
- **EIN:** 760343427
- **STATE OF INCORPORATION:** DE
- **FISCAL YEAR END:** 0228

**FILING VALUES:**
- **FORM TYPE:** 497
- **SEC ACT:** 1933 Act
- **SEC FILE NUMBER:** 033-39519
- **FILM NUMBER:** 261059183

**BUSINESS ADDRESS:**
- **STREET 1:** 11 GREENWAY PLAZA
- **STREET 2:** SUITE 1000
- **CITY:** HOUSTON
- **STATE:** TX
- **ZIP:** 77046
- **BUSINESS PHONE:** 7136261919

**MAIL ADDRESS:**
- **STREET 1:** 11 GREENWAY PLAZA
- **STREET 2:** SUITE 1000
- **CITY:** HOUSTON
- **STATE:** TX
- **ZIP:** 77046

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** AIM INVESTMENT SECURITIES FUNDS
- **DATE OF NAME CHANGE:** 20000921

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** AIM INVESTMENT SECURITIES FUNDS INC
- **DATE OF NAME CHANGE:** 19920703

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** AIM PRIME RATE PREMIUM INCOME FUND INC
- **DATE OF NAME CHANGE:** 19910320

## Series and Classes Contracts Data

### INVESCO High Yield Fund (Series ID: S000000243)

---

|  |  |  |
|:---|:---|:---|
| Class Name     | Ticker Symbol | Class ID   |
| Class A        | AMHYX         | C000000586 |
| Class C        | AHYCX         | C000000588 |
| Investor Class | HYINX         | C000000589 |
| CLASS R5       | AHIYX         | C000023117 |
| Class Y        | AHHYX         | C000071210 |
| Class R6       | HYIFX         | C000120675 |

---

### INVESCO CORPORATE BOND FUND (Series ID: S000027851)

---

|  |  |  |
|:---|:---|:---|
| Class Name | Ticker Symbol | Class ID   |
| CLASS C    | ACCEX         | C000084553 |
| CLASS Y    | ACCHX         | C000084554 |
| CLASS R5   | ACCWX         | C000084555 |
| CLASS A    | ACCBX         | C000084556 |
| Class R    | ACCZX         | C000095838 |
| Class R6   | ICBFX         | C000120680 |

---

### Invesco SMA High Yield Bond Fund (Series ID: S000079750)

---

|  |  |
|:---|:---|
| Class Name                       | Class ID   |
| Invesco SMA High Yield Bond Fund | C000241067 |

---

## Series and Classes Contracts Data

### INVESCO High Yield Fund (Series ID: S000000243)

| Class ID   | Class Name     | Ticker Symbol   |
|:---|:---|:---|
| C000000586 | Class A        | AMHYX           |
| C000000588 | Class C        | AHYCX           |
| C000000589 | Investor Class | HYINX           |
| C000023117 | CLASS R5       | AHIYX           |
| C000071210 | Class Y        | AHHYX           |
| C000120675 | Class R6       | HYIFX           |

### INVESCO CORPORATE BOND FUND (Series ID: S000027851)

| Class ID   | Class Name   | Ticker Symbol   |
|:---|:---|:---|
| C000084553 | CLASS C      | ACCEX           |
| C000084554 | CLASS Y      | ACCHX           |
| C000084555 | CLASS R5     | ACCWX           |
| C000084556 | CLASS A      | ACCBX           |
| C000095838 | Class R      | ACCZX           |
| C000120680 | Class R6     | ICBFX           |

### Invesco SMA High Yield Bond Fund (Series ID: S000079750)

| Class ID   | Class Name                       | Ticker Symbol   |
|:---|:---|:---|
| C000241067 | Invesco SMA High Yield Bond Fund |  |

**SUPPLEMENT DATED JUNE 3, 2026 TO THE CURRENT** <br>**SUMMARY PROSPECTUS, STATUTORY PROSPECTUS AND STATEMENT OF ADDITIONAL INFORMATION FOR:**

**Invesco High Yield Fund** <br>**Invesco V.I. High Yield Fund**

(each a "Fund" and collectively the "Funds")

This supplement amends the Summary Prospectuses, Statutory Prospectuses and Statements of Additional Information ("SAIs") of the above referenced Funds and is in addition to any other supplement(s), unless otherwise specified. *You should read this supplement in conjunction with the Summary Prospectuses, Statutory Prospectuses and SAIs and retain it for future reference.*

**Effective June 3, 2026:**

1. The following information replaces in its entirety the information appearing under the heading "**Management of the Fund**" in the Summary and Statutory Prospectuses:

Investment Adviser: Invesco Advisers, Inc. (Invesco or the Adviser)

Investment Sub-Adviser: Invesco Asset Management Limited (Invesco Asset Management or the Sub-Adviser)

---

| | | |
|:---|:---|:---|
| **Portfolio Managers** | **Title** | **Length of Service on the Fund** |
| Thomas Moore, CFA | Portfolio Manager | 2026 |
| Edward Craven | Portfolio Manager | 2026 |
| Rahim Shad | Portfolio Manager | 2021 |

---

2. The following information replaces in its entirety the information appearing under the heading **"Fund Management – The Adviser(s)"** in the Statutory Prospectuses:

Invesco serves as the Fund's investment adviser. The Adviser manages the investment operations of the Fund as well as other investment portfolios that encompass a broad range of investment objectives, and has agreed to perform or arrange for the performance of the Fund's day-to-day management. The Adviser is located at 1331 Spring Street, N.W., Suite 2500, Atlanta, Georgia 30309. The Adviser, as successor in interest to multiple investment advisers, has been an investment adviser since 1976.

*Sub-Advisers*. Invesco Asset Management Limited (Invesco Asset Management) serves as the Fund's investment sub-adviser. Invesco Asset Management, an affiliate of the Adviser, is located at Perpetual Park, Perpetual Park Drive, Henley-on-Thames, Oxfordshire, RG9 1HH, United Kingdom. Invesco Asset Management has been managing assets on behalf of consumers, institutional clients and institutional professionals through a broad product range, including investment companies with variable capital, investment trusts, individual savings accounts, pension funds, offshore funds and other specialist mandates since 1969, the year Invesco Asset Management was incorporated. Invesco Asset Management provides portfolio management services to the Fund.

In addition, Invesco has entered into one or more Sub-Advisory Agreements with certain affiliates to serve as sub-advisers to the Fund (the Sub-Advisers). Invesco may appoint the Sub-Advisers from time to time to provide discretionary investment management services, investment advice, and/or order execution services to the Fund. The Sub-Advisers and the Sub-Advisory Agreements are described in the SAI.

3. The following information replaces in its entirety the information appearing under the heading **"Fund Management – Portfolio Managers"** in the Statutory Prospectuses:

Investment management decisions for the Fund are made by the investment management teams at Invesco and Invesco Asset Management. The following individuals are jointly and primarily responsible for the day-to-day management of the Fund's portfolio:

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;▪ Thomas Moore, CFA, Portfolio Manager, who has been responsible for the Fund since 2026 and has been associated with Invesco Asset Management and/or its affiliates since 2016.

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;▪ Edward Craven, Portfolio Manager, who has been responsible for the Fund since 2026 and has been associated with Invesco Asset Management and/or its affiliates since 2011.

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;▪ Rahim Shad, Portfolio Manager, who has been responsible for the Fund since 2021 and has been associated with Invesco and/or its affiliates since 2009.

More information on the portfolio managers may be found at www.invesco.com/us. The website is not part of this prospectus.

AIS-AVIF-SUMSTATSAI-SUP 060326

------

The Fund's SAI provides additional information about the portfolio managers' investments in the Fund, a description of the compensation structure and information regarding other accounts managed.

4. For each Fund, the following information is added after the table under "**PORTFOLIO MANAGER(S) — PORTFOLIO MANAGER FUND HOLDINGS AND INFORMATION ON OTHER MANAGED ACCOUNTS — INVESTMENTS**" in Appendix H of each Fund's SAI:

Edward Craven began serving as a portfolio manager of the Fund effective June 3, 2026. As of March 31, 2026, Mr. Craven did not beneficially own any shares of the Fund.

Thomas Moore began serving as a portfolio manager of the Fund effective June 3, 2026. As of March 31, 2026, Mr. Moore did not beneficially own any shares of the Fund.

5. For each Fund, the following information is added after the table under "**PORTFOLIO MANAGER(S) — PORTFOLIO MANAGER FUND HOLDINGS AND INFORMATION ON OTHER MANAGED ACCOUNTS — ASSETS MANAGED**" in Appendix H of each Fund's SAI:

Edward Craven began serving as a portfolio manager of the Fund effective June 3, 2026. As of March 31, 2026, Mr. Craven managed no other registered investment companies, 2 other pooled investment vehicles with approximately $2,269.2 million in assets and no other accounts.

Thomas Moore began serving as a portfolio manager of the Fund effective June 3, 2026. As of March 31, 2026, Mr. Moore managed no other registered investment companies, 3 other pooled investment vehicles with approximately $9,509.7 million in assets and no other accounts.

6. Niklas Nordenfelt and Philip Susser will no longer serve as Portfolio Managers of the Funds. All references to Messrs. Nordenfelt and Susser in each Fund's Summary and Statutory Prospectuses and SAIs are hereby removed.

AIS-AVIF-SUMSTATSAI-SUP 060326

------

**SUPPLEMENT DATED JUNE 3, 2026 TO THE CURRENT** <br>**SUMMARY PROSPECTUS, STATUTORY PROSPECTUS AND STATEMENT OF ADDITIONAL INFORMATION FOR:**

**Invesco SMA High Yield Bond Fund**

(the "Fund")

This supplement amends the Summary Prospectus, Statutory Prospectus and Statement of Additional Information ("SAI") of the above referenced Fund and is in addition to any other supplement(s), unless otherwise specified. *You should read this supplement in conjunction with the Summary Prospectus, Statutory Prospectus and SAI and retain it for future reference.*

**Effective June 3, 2026:**

1. The following information replaces in its entirety the information appearing under the heading "**Management of the Fund**" in the Summary and Statutory Prospectuses:

Investment Adviser: Invesco Advisers, Inc. (Invesco or the Adviser)

Investment Sub-Adviser: Invesco Asset Management Limited (Invesco Asset Management or the Sub-Adviser)

---

| | | |
|:---|:---|:---|
| **Portfolio Managers** | **Title** | **Length of Service on the Fund** |
| Thomas Moore, CFA | Portfolio Manager | 2026 |
| Rahim Shad | Portfolio Manager | 2023 |

---

2. The following information replaces in its entirety the information appearing under the heading **"Fund Management – The Adviser(s)"** in the Statutory Prospectus:

Invesco serves as the Fund's investment adviser. The Adviser manages the investment operations of the Fund as well as other investment portfolios that encompass a broad range of investment objectives, and has agreed to perform or arrange for the performance of the Fund's day-to-day management. The Adviser is located at 1331 Spring Street, N.W., Suite 2500, Atlanta, Georgia 30309. The Adviser, as successor in interest to multiple investment advisers, has been an investment adviser since 1976.

*Sub-Advisers*. Invesco Asset Management Limited (Invesco Asset Management) serves as the Fund's investment sub-adviser. Invesco Asset Management, an affiliate of the Adviser, is located at Perpetual Park, Perpetual Park Drive, Henley-on-Thames, Oxfordshire, RG9 1HH, United Kingdom. Invesco Asset Management has been managing assets on behalf of consumers, institutional clients and institutional professionals through a broad product range, including investment companies with variable capital, investment trusts, individual savings accounts, pension funds, offshore funds and other specialist mandates since 1969, the year Invesco Asset Management was incorporated. Invesco Asset Management provides portfolio management services to the Fund.

In addition, Invesco has entered into one or more Sub-Advisory Agreements with certain affiliates to serve as sub-advisers to the Fund (the Sub-Advisers). Invesco may appoint the Sub-Advisers from time to time to provide discretionary investment management services, investment advice, and/or order execution services to the Fund. The Sub-Advisers and the Sub-Advisory Agreements are described in the SAI.

3. The following information replaces in its entirety the information appearing under the heading **"Fund Management – Portfolio Managers"** in the Statutory Prospectus:

Investment management decisions for the Fund are made by the investment management teams at Invesco and Invesco Asset Management. The following individuals are jointly and primarily responsible for the day-to-day management of the Fund's portfolio:

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;▪ Thomas Moore, CFA, Portfolio Manager, who has been responsible for the Fund since 2026 and has been associated with Invesco Asset Management and/or its affiliates since 2016.

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;▪ Rahim Shad, Portfolio Manager, who has been responsible for the Fund since 2023 and has been associated with Invesco and/or its affiliates since 2009.

More information on the portfolio managers may be found at www.invesco.com/us. The website is not part of this prospectus.

The Fund's SAI provides additional information about the portfolio managers' investments in the Fund, a description of the compensation structure and information regarding other accounts managed.

4. The following information is added after the table under "**PORTFOLIO MANAGER(S) — PORTFOLIO MANAGER FUND HOLDINGS AND INFORMATION ON OTHER MANAGED ACCOUNTS — INVESTMENTS**" in Appendix G of the Fund's SAI:

SMAHYB-SUMSTATSAI-SUP 060326

------

Thomas Moore began serving as a portfolio manager of the Fund effective June 3, 2026. As of March 31, 2026, Mr. Moore did not beneficially own any shares of the Fund.

5. The following information is added after the table under "**PORTFOLIO MANAGER(S) — PORTFOLIO MANAGER FUND HOLDINGS AND INFORMATION ON OTHER MANAGED ACCOUNTS — ASSETS MANAGED**" in Appendix G of the Fund's SAI:

Thomas Moore began serving as a portfolio manager of the Fund effective June 3, 2026. As of March 31, 2026, Mr. Moore managed no other registered investment companies, 3 other pooled investment vehicles with approximately $9,509.7 million in assets and no other accounts.

6. Niklas Nordenfelt and Philip Susser will no longer serve as Portfolio Managers of the Fund. All references to Messrs. Nordenfelt and Susser in the Summary and Statutory Prospectuses and SAI are hereby removed.

SMAHYB-SUMSTATSAI-SUP 060326

------

**SUPPLEMENT DATED JUNE 3, 2026 TO THE CURRENT** <br>**SUMMARY PROSPECTUS, STATUTORY PROSPECTUS AND STATEMENT OF ADDITIONAL INFORMATION FOR:**

**Invesco Corporate Bond Fund**

(the "Fund")

This supplement amends the Summary Prospectus, Statutory Prospectus and Statement of Additional Information ("SAI") of the above referenced Fund and is in addition to any other supplement(s), unless otherwise specified. *You should read this supplement in conjunction with the Summary Prospectus, Statutory Prospectus and SAI and retain it for future reference.*

**Effective June 3, 2026:**

1. The following information replaces in its entirety the table appearing under the heading "**Management of the Fund**" in the Summary and Statutory Prospectuses:

---

| | | |
|:---|:---|:---|
| **Portfolio Managers** | **Title** | **Length of Service on the Fund** |
| Matthew Brill, CFA | Portfolio Manager | 2013 |
| Chuck Burge | Portfolio Manager | 2010 |
| Michael Hyman | Portfolio Manager | 2013 |
| Todd Schomberg, CFA | Portfolio Manager | 2019 |

---

2. The following information replaces in its entirety the information appearing under the heading **"Fund Management – Portfolio Managers"** in the Statutory Prospectuses:

The following individuals are jointly and primarily responsible for the day-to-day management of the Fund's portfolio:

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;▪ Matthew Brill, CFA, Portfolio Manager, who has been responsible for the Fund since 2013 and has been associated with Invesco and/or its affiliates since 2013.

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;▪ Chuck Burge, Portfolio Manager, who has been responsible for the Fund since 2010 and has been associated with Invesco and/or its affiliates since 2002.

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;▪ Michael Hyman, Portfolio Manager, who has been responsible for the Fund since 2013 and has been associated with Invesco and/or its affiliates since 2013.

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;▪ Todd Schomberg, CFA, Portfolio Manager, who has been responsible for the Fund since 2019 and has been associated with Invesco and/or its affiliates since 2016.

More information on the portfolio managers may be found at www.invesco.com/us. The website is not part of this prospectus.

The Fund's SAI provides additional information about the portfolio managers' investments in the Fund, a description of the compensation structure and information regarding other accounts managed.

3. Niklas Nordenfelt will no longer serve as a Portfolio Manager of the Fund. All references to Mr. Nordenfelt in the Summary and Statutory Prospectuses and SAI are hereby removed.

VK-CBD-SUMSTATSAI-SUP 060326

------