RV-bisector diagram of the seven stars presented in this study. The x and y ranges of each figure are identical, with the exception of TOI-4168 due to its exceptionally large RV range. Notably, the bisectors of the stars in the first row – namely, TOI-2295, TOI-2537, and TOI-5076 – show no discernible variation. Conversely, the bisector variability of the stars in the second row – specifically, TOI-1836, TOI-4081, and TOI-5076 – is either larger or comparable to the RV semi-amplitude. Additionally, TOI-4168 displays large RV variability.