Form 4 Filing for Matthew Carl Klopfer

This filing details transactions made by Matthew Carl Klopfer, President, FPD of Flowserve Corp. On September 23, 2026, Klopfer acquired 3,049 shares of Common Stock under a long-term incentive compensation plan, with a transaction price of $0.00. This increased his post-transaction shares to 9,894. Additionally, Klopfer disposed of 1,200 shares of Common Stock at a price of $74.67 per share, resulting in 8,694 shares remaining. The filing also reports the disposal of 3,010 Restricted Stock Units (RSUs), which were granted under the company's incentive plan and vest over three years. These RSUs represent the right to receive one share of common stock each upon settlement. The disposal of RSUs resulted in 16,820 shares remaining in this category. All transactions were marked as direct ownership.