Greenman William Mariner 4

What Happened William Mariner Greenman, President, CEO and Director of Cerus Corp (CERS), received an award of 193,270 shares on 2026-03-05 (grant, reported as $0.00 acquisition). The next day (2026-03-06) he disposed of 78,187 shares in a sale at a weighted average price of $2.01 per share, generating roughly $156,804. The filing indicates the sale was to satisfy statutory tax withholding and related brokerage fees in connection with the vesting of restricted stock units, not a discretionary sale.

Key Details

• Transaction dates and prices:
  • 2026-03-05: Award/grant — 193,270 shares @ $0.00 (acquired)
  • 2026-03-06: Sale — 78,187 shares @ $2.01 (weighted avg) ≈ $156,804
• Shares owned after transaction: Not disclosed in this Form 4 filing.
• Footnotes:
  • F1: Sale made pursuant to an instruction intended to comply with a Rule 10b5‑1 plan elected on the grant date to cover tax withholding and brokerage fees; not a discretionary sale.
  • F2: Sales price is a weighted average from a block trade; reporting person will provide details on request.
• Filing: Transactions occurred 03/05–03/06; Form 4 was filed 2026-03-09 (as reported).

Context This sequence reflects an equity award (likely RSU vesting) followed by a withholding-related disposition rather than an open-market decision to liquidate holdings for other purposes. For retail investors, award receipts increase insider ownership (subject to vesting), while withholding-related sales are routine and should not be read on their own as a directional signal about the insider’s view of the company.