# EDGAR Filing Document

**Accession Number:** 0000792359
**File Stem:** 0000930413-25-003723
**Filing Date:** 2025-12
**Character Count:** 10755
**Document Hash:** 0cd4db2a370aec1b1a1a8a8acc5812db
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0000930413-25-003723.hdr.sgml**: 20251219

**ACCESSION NUMBER**: 0000930413-25-003723

**CONFORMED SUBMISSION TYPE**: 497

**PUBLIC DOCUMENT COUNT**: 1

**FILED AS OF DATE**: 20251219

**DATE AS OF CHANGE**: 20251218

**EFFECTIVENESS DATE**: 20251219

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** VIRTUS VARIABLE INSURANCE TRUST
- **CENTRAL INDEX KEY:** 0000792359

**ORGANIZATION NAME:**
- **EIN:** 000000000
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** 497
- **SEC ACT:** 1933 Act
- **SEC FILE NUMBER:** 033-05033
- **FILM NUMBER:** 251584667

**BUSINESS ADDRESS:**
- **STREET 1:** ONE FINANCIAL PLAZA
- **CITY:** HARTFORD
- **STATE:** CT
- **ZIP:** 06103
- **BUSINESS PHONE:** 8002487971

**MAIL ADDRESS:**
- **STREET 1:** ONE FINANCIAL PLAZA
- **CITY:** HARTFORD
- **STATE:** CT
- **ZIP:** 06103

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** PHOENIX EDGE SERIES FUND
- **DATE OF NAME CHANGE:** 19920703

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** BIG EDGE SERIES FUND
- **DATE OF NAME CHANGE:** 19920304

## Series and Classes Contracts Data

### Virtus KAR Small-Cap Growth Series (Series ID: S000001949)

---

|  |  |
|:---|:---|
| Class Name | Class ID   |
| Class A    | C000005133 |
| Class I    | C000126193 |

---

### VIRTUS TACTICAL ALLOCATION SERIES (Series ID: S000001966)

---

|  |  |
|:---|:---|
| Class Name | Class ID   |
| Class A    | C000005150 |

---

## Series and Classes Contracts Data

### Virtus KAR Small-Cap Growth Series (Series ID: S000001949)

| Class ID   | Class Name   | Ticker Symbol   |
|:---|:---|:---|
| C000005133 | Class A      |  |
| C000126193 | Class I      |  |

### VIRTUS TACTICAL ALLOCATION SERIES (Series ID: S000001966)

| Class ID   | Class Name   | Ticker Symbol   |
|:---|:---|:---|
| C000005150 | Class A      |  |

**Virtus KAR Small-Cap Growth Series (the "Series")**

**a series of Virtus Variable Insurance Trust**

Supplement dated December 18, 2025 to the Summary Prospectus, and the<br> Statutory Prospectus (collectively, the "Prospectuses"),<br> each dated April 28, 2025

**This supplement supersedes the earlier supplement dated December 18, 2025.**

**IMPORTANT NOTICE TO INVESTORS**

Effective January 1, 2026, Adam Xiao, CFA<sup>®</sup> will be added as a portfolio manager of the Series. Following are the resulting changes to the Prospectuses.

The following disclosure will be added under "Portfolio Management" in the summary prospectuses for the Series, and in the summary section of the Series' statutory prospectus:

> ***Adam Xiao, CFA,*** Portfolio Manager and Senior Research Analyst at KAR. Mr. Xiao has served as a Portfolio Manager of the Series since January 2026.

In the Management of the Series section under "Portfolio Management" on page 6 of the Series' statutory prospectus, the portfolio manager biographies will be amended by adding the following for Mr. Xiao.

***Adam Xiao, CFA.*** Mr. Xiao is a Portfolio Manager and a Senior Research Analyst with primary research responsibilities for small and mid-cap portfolios in the financials, consumer discretionary, information technology, and industrials sectors. Prior to joining KAR in 2018, Mr. Xiao was with Diamond Hill Capital Management, where he was a senior associate covering telecommunications and networking equipment companies. Mr. Xiao is a CFA<sup>®</sup> charterholder. He began his career in the investment industry in 2013.

**Investors should retain this supplement with the Prospectuses for future reference.**

VVIT 8505/KAR SCG Series PM Addition (12/2025)

**Virtus Tactical Allocation Series (the "Series"), a series of Virtus Variable Insurance Trust**

Supplement dated December 18, 2025 to the Summary Prospectus and the<br> Statutory Prospectus, (collectively, the "Prospectuses"),<br> each dated April 28, 2025, as supplemented

**This supplement supersedes the earlier supplement dated December 18, 2025.**

**IMPORTANT NOTICE TO INVESTORS**

Kayne Anderson Rudnick has announced that on June 30, 2026, Craig Thrasher, CFA<sup>®</sup> will be retiring and therefore stepping down as a portfolio manager for the Series. The Prospectuses will be updated as appropriate at the time of the change.

Separately, , Victor Zimmermann, CFA will be added as a portfolio manager of the Series, effective January 1, 2026. Following are the resulting changes to the Prospectuses.

The disclosure under "Portfolio Management" in the Series' summary prospectus and in the summary section of the Series' statutory prospectus will be replaced in its entirety with the following:

The following individuals are jointly and primarily responsible for the day-to-day management of the Series' portfolio.

---

| | |
|:---|:---|
| > | ***David L. Albrycht, CFA,*** Newfleet Division President and Chief Investment Officer and Senior Portfolio Manager at Newfleet, has managed the Series since 2007. |

---

---

| | |
|:---|:---|
| > | ***Chris Armbruster, CFA,*** Portfolio Manager and Senior Research Analyst at KAR. Mr. Armbruster has served as a Portfolio Manager of the Series since April 2020. |

---

---

| | |
|:---|:---|
| > | ***Noran Eid,*** Portfolio Manager and Senior Research Analyst at KAR. Ms. Eid has served as a Portfolio Manager of the Series since October 2023. |

---

---

| | |
|:---|:---|
| > | ***Stephen H. Hooker, CFA,*** Managing Director and Portfolio Manager at Newfleet. Mr. Hooker has served as a Portfolio Manager of the Series since April 2017. |

---

---

| | |
|:---|:---|
| > | ***Hyung Kim,*** Portfolio Manager and Senior Research Analyst at KAR. Mr. Kim has served as a Portfolio Manager of the Series since June 2019. |

---

---

| | |
|:---|:---|
| > | ***Craig Thrasher, CFA,*** Portfolio Manager and Senior Research Analyst at KAR. Mr. Thrasher has served as a Portfolio Manager of the Series since June 2019. Mr. Thrasher will be retiring on June 30, 2026. |

---

---

| | |
|:---|:---|
| > | ***Victor Zimmermann, CFA,*** Portfolio Manager and Senior Research Analyst at KAR. Mr. Zimmermann has served as a Portfolio Manager of the Series since January 2026. |

---

In the Management of the Series' section under "Portfolio Management" beginning on page 10 of the Series' statutory prospectus, the portfolio manager biographies will be amended by adding the following for Mr. Zimmermann as a portfolio manager of the Series' international equity investments since January 2026.

***Victor Zimmermann, CFA,*** Mr. Zimmermann is a Portfolio Manager and Senior Research Analyst at KAR with primary research responsibilities for the International and Emerging Markets Small Cap Portfolios. Prior to joining KAR in 2025, Mr. Zimmermann worked at Invesco/Oppenheimer as a senior research analyst on the International Growth Fund (2018 to 2025). Prior to that he served as a senior research analyst at The Brattle Group. Mr. Zimmermann is a CFA<sup>®</sup> charterholder. He began his career in the investment industry in 2018.

**Investors should retain this supplement with the Prospectuses for future reference.**

VVIT 8507/Tactical Allocation Series KAR PM Changes (12/2025)

**Virtus KAR Small-Cap Growth Series<br> and Virtus Tactical Allocation Series, each a series of Virtus Variable Insurance Trust** 

Supplement dated December 18, 2025 to the Statement of Additional Information ("SAI")<br> dated April 28, 2025, as supplemented

**This supplement supersedes the earlier supplement dated December 18, 2025.**

**IMPORTANT NOTICE TO INVESTORS**

Kayne Anderson Rudnick has announced that on June 30, 2026, Craig Thrasher, CFA<sup>®</sup> will be retiring and therefore stepping down as a portfolio manager for Virtus Tactical Allocation Series. The SAI will be updated as appropriate at the time of the change.

Separately, Victor Zimmermann, CFA will be added as a portfolio manager of Virtus Tactical Allocation Series and Adam Xiao, CFA will be added as a portfolio manager of Virtus KAR Small-Cap Growth Series, each effective January 1, 2026. Following are the resulting changes to the SAI.

The disclosure in the table under "Portfolio Managers" on page 68 of the SAI will be amended by adding Mr. Xiao in the row for KAR Small-Cap Growth Series and by adding Mr. Zimmermann in the row for Tactical Allocation Series (equity portion only).

The disclosure in the "Other Accounts Managed (*No Performance-Based Fees*)" table beginning on page 68 of the SAI will be amended by adding rows and associated footnotes for Messrs. Xiao and Zimmermann as follows:

---

| | | | | | | |
|:---|:---|:---|:---|:---|:---|:---|
| | &nbsp;&nbsp; **Registered Investment** <br> **Companies** | &nbsp;&nbsp; **Registered Investment** <br> **Companies** | &nbsp;&nbsp; **Other Pooled** <br> **Investment Vehicles**  | &nbsp;&nbsp; **Other Pooled** <br> **Investment Vehicles**  | **Other Accounts** | **Other Accounts** |
| **Portfolio Manager** | &nbsp;&nbsp; **Number of** <br> **Accounts** | **Total Assets** | &nbsp;&nbsp; **Number of** <br> **Accounts** | &nbsp;&nbsp;**Total Assets** | **Number of Accounts** | &nbsp;&nbsp;**Total Assets** |
| &nbsp;&nbsp;Adam Xiao <sup>(\*\*)</sup> | &nbsp;&nbsp;0 | &nbsp;&nbsp;N/A | &nbsp;&nbsp;0 | &nbsp;&nbsp;N/A | 0 | &nbsp;&nbsp;N/A |
| &nbsp;&nbsp;Victor Zimmermann <sup>(\*\*\*)</sup> | &nbsp;&nbsp;0 | &nbsp;&nbsp;N/A | &nbsp;&nbsp;0 | &nbsp;&nbsp;N/A | 0 | &nbsp;&nbsp;N/A |

---

<sup>(\*\*)</sup> As of December 1, 2025. Mr. Xiao became a Portfolio Manager of the Small-Cap Growth Series effective January 1, 2026.

<sup>(\*\*\*)</sup> As of December 1, 2025. Mr. Zimmermann became a Portfolio Manager of the Tactical Allocation Series effective January 1, 2026.

The disclosure in the table under "Portfolio Manager Series Ownership" beginning on page 70 of the SAI will be amended by adding rows and associated footnotes for Messrs. Xiao and Zimmermann as follows:

---

| | | | |
|:---|:---|:---|:---|
| **Portfolio Manager** | **Series** | **Dollar Range of Equity Securities Beneficially Owned in Series Managed** | &nbsp;&nbsp;**Dollar Range of Financial Exposure Through Similar Strategies** |
| &nbsp;&nbsp;Adam Xiao <sup>(\*\*)</sup> | KAR Small-Cap Growth Series |  |  |
| &nbsp;&nbsp;Victor Zimmermann <sup>(\*\*\*)</sup> | Tactical Allocation Series |  |  |

---

<sup>(\*\*)</sup> As of December 1, 2025. Mr. Xiao became a Portfolio Manager of the KAR Small-Cap Growth Series effective January 1, 2026.

<sup>(\*\*\*)</sup> As of December 1, 2025. Mr. Zimmermann became a Portfolio Manager of the Tactical Allocation Series effective January 1, 2026.

**Investors should retain this supplement with the SAI for future reference.**

VVIT 8505B-8507B/ KAR PM Changes (12/2025)

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