# EDGAR Filing Document

**Accession Number:** 0000702340
**File Stem:** 0001193125-25-328434
**Filing Date:** 2025-12
**Character Count:** 2561
**Document Hash:** 59d14615d9dee44770e3adfec9a69024
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001193125-25-328434.hdr.sgml**: 20251222

**ACCESSION NUMBER**: 0001193125-25-328434

**CONFORMED SUBMISSION TYPE**: 497

**PUBLIC DOCUMENT COUNT**: 1

**FILED AS OF DATE**: 20251222

**DATE AS OF CHANGE**: 20251222

**EFFECTIVENESS DATE**: 20251222

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** PENN SERIES FUNDS INC
- **CENTRAL INDEX KEY:** 0000702340

**ORGANIZATION NAME:**
- **EIN:** 232209178
- **STATE OF INCORPORATION:** MD
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** 497
- **SEC ACT:** 1933 Act
- **SEC FILE NUMBER:** 002-77284
- **FILM NUMBER:** 251591721

**BUSINESS ADDRESS:**
- **STREET 1:** 600 DRESHER RD
- **STREET 2:** C3D
- **CITY:** HORSHAM
- **STATE:** PA
- **ZIP:** 19044
- **BUSINESS PHONE:** (215) 956-8835

**MAIL ADDRESS:**
- **STREET 1:** 600 DRESHER ROAD
- **STREET 2:** C3D
- **CITY:** HORSHAM
- **STATE:** PA
- **ZIP:** 19044

## Series and Classes Contracts Data

### Mid Core Value Fund (Series ID: S000006728)

---

|  |  |
|:---|:---|
| Class Name          | Class ID   |
| Mid Core Value Fund | C000018291 |

---

## Series and Classes Contracts Data

### Mid Core Value Fund (Series ID: S000006728)

| Class ID   | Class Name          | Ticker Symbol   |
|:---|:---|:---|
| C000018291 | Mid Core Value Fund |  |

**PENN SERIES FUNDS, INC.** 

**Supplement dated December 22, 2025** 

**to the Prospectus and Statement of Additional Information ("SAI")** 

**dated May 1, 2025, as supplemented** 

**This supplement provides new and additional information beyond that contained in the Prospectus and SAI and should be read in conjunction with the Prospectus and SAI.**

**Mid Core Value Fund** 

Michael Liss, portfolio manager of the Mid Core Value Fund (the "Fund"), has announced his plans to retire from American Century Investment Management, Inc., investment sub-adviser to the Fund, on March 31, 2026. In anticipation of his retirement, Mr. Liss will stop serving as a portfolio manager of the Fund on December 31, 2025 (the "Effective Date"). Accordingly, as of the Effective Date, all references to Michael Liss in the Prospectus and SAI are deleted in their entirety. Nathan Rawlins, Kevin Toney and Brian Woglom will continue to serve as portfolio managers of the Fund.

Michael Liss's retirement will not result in any change to the investment process for the Fund or to other disclosures concerning the Fund, including fees, expenses, investment objective, strategies and risks.

**PLEASE RETAIN THIS SUPPLEMENT FOR FUTURE REFERENCE.** 

PM9225 12/25