Summary Prospectus by Investment Company (Form 497K)

PGIM Rock ETF Trust

PGIM S&P 500 Max Buffer ETF - January
(the "Fund")

Supplement dated December 31, 2025
to the Fund's Currently Effective Summary Prospectus and Prospectus

As described in detail in the Fund's prospectus, an investment in shares of the Fund is subject to a pre-determined upside return cap (the "cap") that represents the maximum percentage return an investor can achieve from an investment in the Fund for the entire Target Outcome Period (generally, an approximate one-year period over which the Fund seeks to produce the target outcome). The Target Outcome Period for the Fund will commence on January 1, 2026 and end on December 31, 2026.

An investment in the Fund over the course of the Target Outcome Period will be subject to the Fund's cap and downside buffer as set forth in the table below. 

Fund Name	Ticker	Cap	Investment Objective
PGIM S&P 500 Max Buffer ETF - January	PMJA	Gross: 6.58% Net: 6.08%*	The Fund's investment objective is to provide investors with returns that match the price return of the SPDR® S&P 500® ETF Trust up to a predetermined upside cap while seeking to maximize the downside protection against the SPDR® S&P 500® ETF Trust's losses over the one-year Target Outcome Period. In seeking to achieve this investment objective, the Fund's approximate upside cap over the period January 1, 2026 through December 31, 2026 is 6.58% (before fees and expenses). The downside buffer for the period is 100% (before fees and expenses).

* Takes into account the Fund's unitary management fee.

In connection with the onset of the new Target Outcome Period, the Fund's prospectus is amended as set forth below: