import re
pattern = r"\b(?=\d\d-\d{7}-\d\d\b)"
s = "02-0015800-00 NAME1 100 SOME ST Active 3/8/2021 139.23 139.81 0.42 02-0023901-01 NAME2 101 SOME ST Active 3/8/2021 512.33 482.96 -5.73"
result = [m.strip() for m in re.split(pattern, s) if m]
print(result)
aW1wb3J0IHJlCgpwYXR0ZXJuID0gciJcYig/PVxkXGQtXGR7N30tXGRcZFxiKSIKCnMgPSAiMDItMDAxNTgwMC0wMCAgTkFNRTEgIDEwMCBTT01FIFNUICBBY3RpdmUgIDMvOC8yMDIxICAxMzkuMjMgIDEzOS44MSAgMC40MiAgMDItMDAyMzkwMS0wMSAgTkFNRTIgIDEwMSBTT01FIFNUICBBY3RpdmUgIDMvOC8yMDIxICA1MTIuMzMgIDQ4Mi45NiAgLTUuNzMiCgpyZXN1bHQgPSBbbS5zdHJpcCgpIGZvciBtIGluIHJlLnNwbGl0KHBhdHRlcm4sIHMpIGlmIG1dCnByaW50KHJlc3VsdCk=