I agree no alarm bells. Just qualifying shares to make them free trading. A ton of nice tid bits in there though.
A lot on Lind plus this gem:
(6) Mr. Sims currently holds 8,419 shares of NioCorp Common stock. In addition, he currently holds 375,000 vested stock options. On January 21, 2016, Mr. Sims was granted 500,000 options to purchase common shares for a period of 5 years at a price of C$0.62 and vest over a period of 18 months with 75% having vested at this time. On March 17, 2017, Mr. Sims was granted 400,000 options to purchase common shares for a period of 5 years at a price of C$0.76 which vest over a period of 18 months and have not vested at this time.