 SAN FRANCISCO, May 24, 2021 PRNewswire -- Castlight Health, Inc. NYSE: CSLT, a leader in healthcare navigation, announced today results of a study by actuarial firm Santa Barbara Actuaries Inc. SBA, which found that employers who implemented Castlights navigation solution experienced significant financial savings, including a 9.1 year-over-year reduction in medical spend among members who use Castlight compared to a matched control group. Reducing healthcare spend remains a key priority for employers. 