1. INTRODUCTION  
2. OBSERVATIONS OVERVIEW  
2.1. The Stellar Sample  
2.2. TESS Data  
2.3. K2 Mission Data  
2.4. Swift/UVOT Data  
2.5. HST/STIS Data  
3. FLARE ANALYSIS  
3.1. White Light Flares  
4. RESULTS  
4.1. Flaring Rates and Durations  
4.2. Flare Amplitudes  
4.3. Empirical Relation Between ENUV and ETESS  
4.4. Flare Frequency Distributions (FFDs)  
4.5. The NUV Activity-Rotation Relation  
5. SUMMARY AND CONCLUSIONS