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sellWeak cluster of 510b5-1 plan

William Mariner Greenman sold $36k of CERS

President and CEO at CERUS CORP. 23,023 shares at an average of $1.55, traded Mar 4, 2025, filed Mar 5, 2025.

Warning score
11
Value
$36k
23,023 shares
Holdings after
3,230,000
-1% from before
From 52-week low
-
no price yet
From 52-week high
-
no price yet

Score components

  • Role
    CEO
    +25
  • Trade size
    $36k at market
    +6
  • Share of holdings sold
    Sold 0.7% of holdings
    0
  • Cluster
    5 insiders selling within 14 days
    +15
  • Exercise and sell
    Shares came from an option exercise in the same filing
    -15
  • 10b5-1 plan
    Pre-scheduled under a 10b5-1 plan
    -20

What happened after comparable sells

Same side and tier, against the S&P 500, at 1, 3 and 6 months. Shown to Pro users; the whole table is on the backtest page.

Price around the trade, and since

From a quarter before the trade to today. The arrow is the trade, the circle the day the filing reached EDGAR, which is the first day anyone outside could act; the dotted line is the S&P 500 rebased to that day's close.

CERSOct 9, 2026 · close 2.30
Since filing Mar 5, 2025: +42.9%SPY +36.2% · excess +6.7%

Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value; the dashed line is the close on the filing day, the dotted line SPY rebased to it.Charts by TradingView Lightweight Charts™

Rows in this filing

Every transaction in Form 4 0000950170-25-034075, as filed. Open on EDGAR

DateTransactionSharesPriceValueHoldings afterFiled
Mar 3, 2025MOption exercise
Common Stock10b5-1
+57,637--3,253,023Mar 5, 2025
Mar 4, 2025SOpen-market sale
Common Stock10b5-1
-23,023$1.55$36k3,230,000Mar 5, 2025
Mar 3, 2025MOption exercise
Restricted Stock Unitderivative10b5-1
-57,637--0Mar 5, 2025

Related signals

Other insiders at CERUS CORP and this insider’s other filings.

ScoreCompanyInsiderValueHoldingsFiled
18Weak
CERSsell 510b5-1
CERUS CORP
Richard J Benjamin
Chief Medical Officer
$71k
49,024 shares
-7%
26Weak
CERSsell 510b5-1
CERUS CORP
Kevin Dennis Green
Chief Financial Officer
$87k
59,887 shares
-6%
34Weak
CERSsell 510b5-1
CERUS CORP
William Mariner Greenman
President and CEO
$281k
193,913 shares
-4%
25Weak
CERSsell 510b5-1
CERUS CORP
Vivek K Jayaraman
Chief Operating Officer
$110k
75,989 shares
-5%
18Weak
CERSsell 510b5-1
CERUS CORP
Chrystal Jensen
Chief Legal Officer
$71k
49,024 shares
-6%
16Weak
CERSsell 510b5-1
CERUS CORP
Richard J Benjamin
Chief Medical Officer
$39k
26,139 shares
-3%
23Weak
CERSsell 510b5-1
CERUS CORP
Kevin Dennis Green
Chief Financial Officer
$47k
31,148 shares
-3%
29Weak
CERSsell 510b5-1
CERUS CORP
William Mariner Greenman
President and CEO
$91k
60,984 shares
-1%
22Weak
CERSsell 510b5-1
CERUS CORP
Vivek K Jayaraman
Chief Operating Officer
$51k
33,999 shares
-2%
16Weak
CERSsell 510b5-1
CERUS CORP
Chrystal Jensen
Chief Legal Officer
$41k
27,457 shares
-3%

Not investment advice. Scores and forward returns are decision support built from public SEC filings and past prices; they describe what happened after comparable filings, not what will happen after this one. Do your own research and size your risk.

William Mariner Greenman sold $36k of CERS | InsiderTell