This open access book constitutes the refereed proceedings of the First International Workshop on Transition Network Analysis, TNA 2026, held in Bergen, Norway, on April 27, 2026.The 14 full papers included in this book were carefully reviewed and selected from 16 submissions. They were organized into the following topical sections: Methodological Contributions; Modeling Learning Trajectories; and Modeling Collaboration Dynamics.

This open access book constitutes the refereed proceedings of the First International Workshop on Transition Network Analysis, TNA 2026, held in Bergen, Norway, on April 27, 2026.The 14 full papers included in this book were carefully reviewed and selected from 16 submissions. They were organized into the following topical sections: Methodological Contributions; Modeling Learning Trajectories; and Modeling Collaboration Dynamics.