American Funds Insurance Series

12/31/2025 | Press release | Distributed by Public on 12/31/2025 11:06

Summary Prospectus by Investment Company (Form 497K)

American Funds Insurance SeriesĀ®

Prospectus Supplement

January 1, 2026

(for the most recent Class 1, Class 1A, Class 2, Class 3 and

Class 4 shares summary and statutory prospectuses, as

supplemented to date)

1. The table under the heading "Portfolio managers" in the "Management" section of the summary portion of the prospectus for Global Growth Fund is amended to read as follows:
Portfolio manager/
Series title (if applicable)
Portfolio manager
experience in this fund
Primary title
with investment adviser
Barbara Burtin Less than 1 year Partner - Capital World Investors
Mathews Cherian Less than 1 year Partner - Capital World Investors
Patrice Collette 10 years Partner - Capital World Investors
Matt Hochstetler 2 years Partner - Capital World Investors
Jason B. Smith 1 year Partner - Capital World Investors
2. The table under the heading "Portfolio managers" in the "Management" section of the summary portion of the prospectus for U.S. Small and Mid Cap Equity Fund is amended to read as follows:
Portfolio manager/
Series title (if applicable)
Portfolio
manager
experience
in this fund
Primary title
with investment adviser
M. Taylor Hinshaw Less than 1 year Partner - Capital World Investors
Matt Hochstetler 1 year Partner - Capital World Investors
Roz Hongsaranagon 1 year Partner - Capital World Investors
Andraz Razen 1 year Partner - Capital World Investors
3. The table under the heading "Portfolio managers" in the "Management" section of the summary portion of the prospectus for Capital World Growth and Income Fund is amended to read as follows:
Portfolio manager/
Series title (if applicable)
Portfolio manager
experience in this fund
Primary title
with investment adviser
Alfonso Barroso 4 years Partner - Capital Research Global Investors
Michael Beckwith Less than 1 year Partner - Capital Research Global Investors
Michael Cohen 7 years Partner - Capital World Investors
Nicholas J. Grace 8 years Partner - Capital Research Global Investors
Leo Hee 4 years Partner - Capital World Investors
Jin Lee 4 years Partner - Capital World Investors
Sung Lee 4 years Partner - Capital Research Global Investors
Lara Pellini 4 years Partner - Capital World Investors
Renaud H. Samyn 4 years Partner - Capital Research Global Investors
4. The table under the heading "Portfolio managers" in the "Management" section of the summary portion of the prospectus for Growth-Income Fund is amended to read as follows:
Portfolio manager/
Series title (if applicable)
Portfolio manager
experience in this fund
Primary title
with investment adviser
Brad Barrett 1 year Partner - Capital Research Global Investors
Charles E. Ellwein 10 years Partner - Capital Research Global Investors
Cheryl E. Frank Less than 1 year Partner - Capital Research Global Investors
J. Blair Frank 19 years Partner - Capital Research Global Investors
Martin Jacobs 1 year Partner - Capital Research Global Investors
Caroline Jones 5 years Partner - Capital Research Global Investors
Jessica C. Spaly 1 year Partner - Capital Research Global Investors
5. The table under the heading "Portfolio managers" in the "Management" section of the summary portion of the prospectus for International Growth and Income Fund is amended to read as follows:
Portfolio manager/
Series title (if applicable)
Portfolio manager
experience in this fund
Primary title
with investment adviser
Barbara Burtin 2 years Partner - Capital World Investors
Bobby Chada 3 years Vice President - Capital International Investors
Michael Cohen 3 years Partner - Capital World Investors
Patrice Collette 3 years Partner - Capital World Investors
Leo Hee 3 years Partner - Capital World Investors
Samir Parekh Less than 1 year Partner - Capital International Investors
Andrew B. Suzman 3 years Partner - Capital World Investors
Lisa Thompson 3 years Partner - Capital International Investors
Steven T. Watson 3 years Partner - Capital World Investors
6. The table under the heading "Portfolio managers" in the "Management" section of the summary portion of the prospectus for Capital Income Builder is amended to read as follows:
Portfolio manager/
Series title (if applicable)
Portfolio manager
experience in this fund
Primary title
with investment adviser
Aline Avzaradel 5 years Partner - Capital International Investors
Alfonso Barroso 5 years Partner - Capital Research Global Investors
Grant L. Cambridge 5 years Partner - Capital Research Global l Investors
Charles E. Ellwein 4 years Partner - Capital Research Global Investors
David A. Hoag 5 years Partner - Capital Fixed Income Investors
Saurav Jain 5 years Partner - Capital International Investors
Winnie Kwan 5 years Partner - Capital Research Global Investors
James B. Lovelace 5 years Partner - Capital Research Global Investors
Fergus N. MacDonald 5 years Partner - Capital Fixed Income Investors
Dimitrije M. Mitrinovic Less than 1 year Partner - Capital International Investors
Andrea Montero 2 years Vice President - Capital Fixed Income Investors
William L. Robbins 5 years Partner - Capital International Investors
Brian Wong 3 years Partner - Capital Fixed Income Investors
7. The following is added under the heading "The Capital SystemTM" in the "Management and organization" section of the prospectus for the funds listed below:

Mathews Cherian, Partner, Capital World Investors, serves as an equity portfolio manager for Global Growth Fund. Mathews has 29 years of investment experience in total (22 years with Capital Research and Management Company or affiliate). He has less than one year of experience in managing the fund and 17 years of prior experience as an investment analyst for the fund.

Piyada Phanaphat no longer manages money in Global Growth Fund.

M. Taylor Hinshaw, Partner, Capital World Investors, serves as an equity portfolio manager for U.S. Small and Mid Cap Equity Fund. Taylor has 23 years of investment experience (all with Capital Research and Management Company or affiliate). He has less than one year of experience in managing the fund.

Dimitrije M. Mitrinovic no longer manages money in U.S. Small and Mid Cap Equity Fund.

Diana Wagner no longer manages money in Capital World Growth and Income Fund.

Brad Barrett, Partner, Capital Research Global Investors, serves as an equity portfolio manager for Growth-Income Fund. Brad has 25 years of investment experience (all with Capital Research and Management Company or affiliate). He has one year of experience in managing the fund and 20 years of prior experience as an investment analyst for the fund. Cheryl E. Frank, Partner, Capital Research Global Investors, serves as an equity portfolio manager for the fund. Cheryl has 28 years of investment experience in total (24 years with Capital Research and Management Company or affiliate). She has less than one year of experience in managing the fund and seven years of prior experience as an investment analyst for the fund. Martin Jacobs, Partner, Capital Research Global Investors, serves as an equity portfolio manager for the fund. Martin has 38 years of investment experience in total (25 years with Capital Research and Management Company or affiliate). He has one year of experience in managing the fund and three years of prior experience as an investment analyst for the fund. Jessica C. Spaly, Partner, Capital Research Global Investors, serves as an equity portfolio manager for the fund. Jessica has 27 years of investment experience in total (22 years with Capital Research and Management Company or affiliate). She has one year of experience in managing the fund and 17 years of prior experience as an investment analyst for the fund.

Keiko McKibben no longer manages money in Growth-Income Fund.

Samir Parekh, Partner, Capital International Investors, serves as an equity portfolio manager for International Growth and Income Fund. Samir has 25 years of investment experience in total (19 years with Capital Research and Management Company or affiliate). He has less than one year of experience in managing the fund.

Dimitrije M. Mitrinovic, Partner, Capital International Investors, serves as an equity portfolio manager for Capital Income Builder. Dimitrije has 24 years of investment experience in total (18 years with Capital Research and Management Company or affiliate). He has less than one year of experience in managing the fund. Andrea Montero, Vice President, Capital Fixed Income Investors, serves as a fixed income portfolio manager for the fund. Andrea has 13 years of investment experience in total (8 years with Capital Research and Management Company or affiliate). She has two years of experience in managing the fund.

Caroline Randall and Steven T. Watson no longer manage money in Capital Income Builder.

Keep this supplement with your summary and statutory prospectuses.

Lit. No. INA8SU-006-0126O CGD/8024-S109887

American Funds Insurance Series published this content on December 31, 2025, and is solely responsible for the information contained herein. Distributed via Edgar on December 31, 2025 at 17:06 UTC. If you believe the information included in the content is inaccurate or outdated and requires editing or removal, please contact us at [email protected]