Broadening functions of the targets that showed significant evidence being spectroscopic multiples, i.e., showed evidence of two lines (GJ 3861 and GJ 9552), or three lines (GJ 3729). We additionally show GJ 3789, and G 240-45 which do not show a double line profile in the HPF broadening functions, but are known binary systems with close (<1.7″) companions (Beuzit et al. 2004; El-Badry et al. 2021). Finally, we also show the broadening function of 2MASS J10534129+5253040, which has a high Gaia DR3 RUWE value of 2.4, which we thus assume to be a close visual binary. The blue curves show a best-fit Gaussian to the primary (i.e. brightest) peak, the red curve shows the secondary peak (if any), and the yellow peak highlights a fit to a tertiary peak (if any). The GJ 3789 broadening function is multiplied by a factor of 10 in the y-axis for enhanced readability.