Form 4 Filing for Eric Christian Nelson

This filing details Eric Christian Nelson's ownership of Fiserv Inc. stock. As of October 1, 2026, Nelson directly holds 70,863 shares of common stock. The filing also reports on various employee stock options granted to Nelson, with exercise dates ranging from February 22, 2020, to February 26, 2024, and corresponding exercise prices. Additionally, a power of attorney document is included, appointing specific individuals to act on Nelson's behalf for executing and filing SEC forms (3, 4, and 5) and managing his EDGAR access codes. This power of attorney remains in effect until Nelson is no longer required to file these forms or until earlier revoked.