Ann: Opthea Completes COAST Final Week 52 Patient Visit, page-5

At least from my reading, we have Feb ~ Mar to trade/position for the result, but once we roll into April, the trading halt could occur at any moment.
Also, OPT is very clearly restating its plan to proceed independently and seek approval for an "add any VEGF-A" option. This would put real pressure on existing name-brand VEGF-A players, reducing them to generic commodities.