The lock-up rules for the private sale are the following:
First 30% (120,000,000-130,000,000 BBN)
Locked until 2 weeks after the private sale close. (These are now circulating)

Next 30% (120,000,000-130,000,000 BBN)
Locked until 3 months after BBN is listed on the first exchange (Bibox). (After June 3rd, 2018)

Last 40% (160,000,000-180,000,000 BBN)
Locked until 6 months after BBN is listed on the first exchange (Bibox). (After September 3rd, 2018)