# EDGAR Filing Document

**Accession Number:** 0002007649
**File Stem:** 0001580642-25-005153
**Filing Date:** 2025-8
**Character Count:** 6218
**Document Hash:** e25d4e1c93adb08b3ba66144a8867e05
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001580642-25-005153.hdr.sgml**: 20250814

**ACCESSION NUMBER**: 0001580642-25-005153

**CONFORMED SUBMISSION TYPE**: 424B3

**PUBLIC DOCUMENT COUNT**: 3

**FILED AS OF DATE**: 20250814

**DATE AS OF CHANGE**: 20250814

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** Catalyst/Perini Strategic Income Fund
- **CENTRAL INDEX KEY:** 0002007649

**ORGANIZATION NAME:**
- **EIN:** 000000000
- **STATE OF INCORPORATION:** DE
- **FISCAL YEAR END:** 0930

**FILING VALUES:**
- **FORM TYPE:** 424B3
- **SEC ACT:** 1933 Act
- **SEC FILE NUMBER:** 333-276546
- **FILM NUMBER:** 251221100

**BUSINESS ADDRESS:**
- **STREET 1:** 36 NORTH NEW YORK AVENUE
- **STREET 2:** 3RD FLOOR
- **CITY:** HUNTINGTON
- **STATE:** NY
- **ZIP:** 11743
- **BUSINESS PHONE:** (631) 629-4237

**MAIL ADDRESS:**
- **STREET 1:** 36 NORTH NEW YORK AVENUE
- **STREET 2:** 3RD FLOOR
- **CITY:** HUNTINGTON
- **STATE:** NY
- **ZIP:** 11743

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** Catalyst Strategic Income Opportunities Fund
- **DATE OF NAME CHANGE:** 20240110

![](image_001.gif)

**Catalyst/Perini Strategic Income Fund**

*(formerly, Catalyst Strategic Income Opportunities Fund)*

**Ticker: CSIOX**

(the "Fund")

**August 14, 2025**

***This information supplements certain information contained in the Prospectus and Summary Prospectus for the Fund, each dated February 1, 2025, as previously supplemented.***

____________________________________________________________________

Effective immediately, Alex Borlenghi, Portfolio Manager of Perini Capital, LLC ("Perini"), replaced Michael Ciklin as a Portfolio Manager of the Fund. Michael Perini, Founder and Chief Investment Officer of Perini, will continue to serve as a Portfolio Manager of the Fund. Accordingly, all information contained in the Fund's Prospectus regarding the Portfolio Managers of the Fund is hereby revised to reflect the replacement of Mr. Ciklin by Mr. Borlenghi as a Portfolio Manager of the Fund as set forth below.

**The section of the Fund's Prospectus entitled "MANAGEMENT OF THE FUND - Portfolio Managers" is deleted and replaced with the following:**

**Portfolio Managers**

*Michael Perini*

 

Michael Perini, CFA is the President and CEO of Perini Capital and has over 19 years of experience analyzing structured credit securities. Mr. Perini founded Perini Capital in 2011 after working at SecureVest Financial Group as a non-agency mortgage-backed securities trader from 2009 to 2011 and at Commonwealth Advisors as a mortgage credit analyst from 2004 to 2008. He graduated with a B.A. in Finance from Louisiana State University in 2004 and is a CFA charterholder.

*Alex Borlenghi*

 

Alex Borlenghi has served as a Portfolio Manager at Perini Capital since 2021. Mr. Borlenghi is also Managing Director at Stonecrest Equity Fund, a private investment fund sub-advised by Perini Capital, since 2023. Prior to joining Perini Capital, Mr Borlenghi was the President and Vice President of Business Development at The Interfin Companies, L.P. He graduated from The University of Texas at Austin and received a bachelor's degree in business/corporate communications.

\* \* \* \* \*

***You should read this Supplement in conjunction with the Summary Prospectus, Prospectus and the Statement of Additional Information for the Fund, each dated February 1, 2025, as supplemented, which provide information that you should know about the Fund before investing. These documents are available upon request and without charge by calling the Fund toll-free at 1-800-991-3319 or by writing to Catalyst/Perini Strategic Income Fund c/o 36 North New York Avenue, 3rd Floor, Huntington, NY 11743.***

 ****

**Please retain this Supplement for future reference**.

![](image_001.jpg)

**Catalyst/Perini Strategic Income Fund**

*(formerly, Catalyst Strategic Income Opportunities Fund)*

**Ticker: CSIOX**

(the "Fund")

**August 14, 2025**

***This information supplements certain information contained in the Statement of Additional Information ("SAI") for the Fund, dated February 1, 2025, as previously supplemented****.*

______________________________________________________________________________

Effective immediately, Alex Borlenghi, Portfolio Manager of Perini Capital, LLC ("Perini"), replaced Michael Ciklin as a Portfolio Manager of the Fund. Michael Perini, Founder and Chief Investment Officer of Perini, will continue to serve as a Portfolio Manager of the Fund.

Accordingly, all information regarding Mr. Ciklin contained in the Fund's SAI is hereby deleted in its entirety, and the following changes are incorporated into the SAI:

**The following information is added to the tables contained under the section of the SAI entitled "** **PORTFOLIO MANAGERS":**

<u>Alex Borlenghi</u>\*

---

| | | | | |
|:---|:---|:---|:---|:---|
| | Other Accounts Managed | Other Accounts Managed | Other Accounts Managed Subject to a Performance Fee | Other Accounts Managed Subject to a Performance Fee |
| Account Type | Number of<br> Accounts | Assets Under<br> Management<br> (millions) | Number of<br> Accounts | Assets Under<br> Management<br> (millions) |
| Registered Investment Companies | 0 | $0 | 0 | $0 |
| Other Pooled Investment Vehicles | 0 | $0 | 0 | $0 |
| Other Accounts | 0 | $0 | 0 | $0 |

---

\*as of May 31, 2025

**The following information is added to the tables contained under the section of the SAI entitled "** **PORTFOLIO MANAGERS - Portfolio Manager Ownership of Fund Shares":**

As of May 31, 2025, Messrs. Perini and Borlenghi owned Fund shares amounting to $100,001 - $500,000, and $0, respectively.

\* \* \* \* \*

***You should read this Supplement in conjunction with the Summary Prospectus, Prospectus and Statement of Additional Information for the Fund, each dated February 1, 2025, as supplemented, which provide information that you should know about the Fund before investing. These documents are available upon request and without charge by calling the Fund toll-free at 1-800-991-3319 or by writing to Catalyst/Perini Strategic Income Fund c/o 36 North New York Avenue, 3rd Floor, Huntington, NY 11743.***

 ****

**Please retain this Supplement for future reference**.