Greenman William Mariner 4
4 · CERUS CORP · Filed Mar 16, 2026
Research Summary
AI-generated summary of this filing
Cerus CEO William Greenman Sells 447,757 Shares
What Happened
William Greenman, President, CEO and Director of Cerus Corp (CERS), disposed of 447,757 shares on March 12, 2026. The weighted average sale price was $1.66 per share for total proceeds of roughly $742,023. The filing reports an open-market sale (transaction code S) executed to cover tax-withholding and related brokerage fees tied to the vesting of restricted stock units.
Key Details
- Transaction date: March 12, 2026; Form 4 filed March 16, 2026 (timely — within two business days).
- Price: weighted average $1.66 per share; individual sales ranged from $1.62 to $1.73 (footnote F2).
- Shares sold: 447,757; proceeds ≈ $742,023.
- Shares owned after transaction: not specified in the excerpt of this filing.
- Footnotes: F1 states the sale was made pursuant to a 10b5-1 instruction elected at grant to cover statutory tax withholding and brokerage fees for RSU vesting (not a discretionary sale). F2 notes the weighted-average price and offers that the filer can provide a per-price breakdown on request.
Context
This was a routine, non-discretionary sale to satisfy tax-withholding obligations from RSU vesting rather than an independent decision to liquidate equity holdings; such transactions are common and do not by themselves signal management’s view of the company’s prospects.
Insider Transaction Report
- Sale
Common Stock
[F1][F2]2026-03-12$1.66/sh−447,757$742,023→ 4,998,493 total
Footnotes (2)
- [F1]Represents shares sold pursuant to an instruction intended to comply with the requirement of Rule 10b5-1 that was elected by the Reporting Person on the date of grant to cover statutory tax withholding obligations and corresponding brokerage fees in connection with the vesting of certain restricted stock units and does not represent a discretionary sale by the reporting person.
- [F2]Represents a weighted average sales price. These shares were sold in multiple transactions at prices ranging from $1.62 to $1.73 per share, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the aforementioned range set forth.