William Mariner Greenman sold $300K of CERS stock

William Mariner Greenman, President and CEO of Cerus Corp (CERS), sold 101,919 shares of CERS stock worth $300K, per an SEC Form 4 filed Jul 2, 2026.

The sale was pre-arranged (a 10b5-1 plan or an option exercise), not a fresh decision.

The trade happened on Jun 30, 2026, 2 days before it was made public.

CERS has moved -33.6% since the trade date, from $2.92 to $1.94 (Nov 12, 2026 close).