Psyence Biomedical draws attention premarket after filing on 30% stake
Psyence Biomedical Ltd. shares traded at $3.95 in early premarket action, up 2.5 cents from the last close. A U.S. Schedule 13D showed Psyence Labs Ltd. holding 1,146,159 shares, or 30.05%, with full voting and disposal power. According to the filing, Psyence Labs could add to its stake, sell down, or hedge based on market or company moves. Nasdaq’s main session wasn’t open yet. The exchange lists premarket hours from 4:00 a.m. to 9:30 a.m. Eastern, then regular trading from 9:30 a.m. to 4:00 p.m. June 4 isn’t on Nasdaq’s 2026 U.S. stock-market holiday list.