Lisa Kulok's Transactions in Columbia Sportswear Co. Stock

Lisa Kulok, EVP Chief Supply Chain Officer of Columbia Sportswear Co., reported several transactions involving the company's common stock and restricted stock units (RSUs) on August 1, 2025. Kulok acquired 271 and 319 shares of common stock through the vesting of RSUs, increasing her total holdings to 5,507 shares. Additionally, 216 shares were withheld by the issuer to satisfy tax withholding obligations related to the vesting of RSUs, reducing her holdings to 5,291 shares. The RSUs convert to common stock on a one-for-one basis and vest at 12.5% every six months. These transactions were reported in a Form 4 filing with the SEC.