Sijbrandij Foundation's Planned Sale of GitLab Inc. Common Stock

The Sijbrandij Foundation, a 10% stockholder and director of GitLab Inc., has filed a Form 144 notice indicating its intent to sell 40,000 shares of GitLab Inc. common stock. The shares were acquired on August 28, 2015, as part of the founder shares. The planned sale is scheduled for October 15, 2025, with an aggregate market value of $1,790,400. The foundation has also reported recent sales of GitLab Inc. common stock, including transactions on September 15, 2025, and August 18, 2025, totaling over $11 million in gross proceeds. The sales were executed through Morgan Stanley Smith Barney LLC Executive Financial Services. The filing highlights the foundation's ongoing divestment of its holdings in GitLab Inc.