Perhaps they use the 10-day average (VWAP) to determine how many top-up shares have to be issued. We're close to 1.45 now, so pretty safe. Past 12 days 1.452 (including today) 1.453 1.459 1.485 1.513 1.543 1.583 1.628 1.668 1.697 1.731 1.782