William Mariner Greenman, who serves as President and Chief Executive Officer of Cerus Corp (NASDAQ:CERS), reported the sale of 447,757 shares of common stock on March 12, 2026, in a Form 4 filing with the Securities and Exchange Commission.
The filing shows the shares were sold at prices ranging from $1.62 to $1.73, with a weighted average price of $1.6572, producing proceeds of $742,022. The document states the disposition was executed to satisfy statutory tax withholding obligations and to cover brokerage fees connected to the vesting of restricted stock units. The filing explicitly notes the sale did not represent a discretionary transaction by Greenman.
After the transaction, Greenman directly holds 4,998,493 shares of Cerus Corp. The stock was trading at $1.80 at the time of this report, reflecting a 43% gain over the past six months despite recent volatility in the share price.
Separately, analysis from InvestingPro cited in the filing indicates Cerus appears undervalued at current levels based on Fair Value metrics. The platform highlights the company generated $206 million in revenue with 14% growth, while noting the business remains unprofitable. Investors interested in a deeper examination are directed to a comprehensive Pro Research Report on CERS, which is one of more than 1,400 U.S. equities covered and is accompanied by six additional ProTips.
Recent corporate updates included Cerus Corporation posting robust fourth-quarter 2025 results. Fourth-quarter revenues were reported at $233.8 million, topping analyst expectations and representing a 16% increase year-over-year. The company’s earnings per share for the quarter were recorded at -$0.01, in line with market forecasts.
The company also announced an executive leadership transition. Vivek Jayaraman will be elevated from chief operating officer to president and chief executive officer effective July 1, 2026. Current CEO William Obi Greenman will assume the role of executive chairman of the board of directors, and Jayaraman will join the board when he takes on the CEO position. The company framed these moves as part of ongoing strategic initiatives and leadership succession planning.
Summary of the key data points:
- Insider transaction: 447,757 shares sold on March 12, 2026.
- Sale price range: $1.62 to $1.73; weighted average $1.6572; total proceeds $742,022.
- Post-transaction direct ownership for Greenman: 4,998,493 shares.
- Q4 2025 revenue: $233.8 million, up 16% year-over-year; EPS -$0.01, in line with expectations.
- Leadership change effective July 1, 2026: Vivek Jayaraman to become president and CEO; William Obi Greenman to become executive chairman.
This report aggregates the Form 4 disclosure, company financial results, and the InvestingPro valuation note as presented in the filings and disclosures available for CERS.