Insider · CIK 0001377258
William Mariner Greenman
ceopresidentofficerdirector
Files at CERS (CERUS CORP). First filing Mar 5, 2025, latest Mar 17, 2025.
Track record
Not enough history
Fewer than three past buys with six months of prices.
Median 6-month excess
-
after past buys, n = 0
Hit rate
-
past buys that beat the index over 6 months
Open-market trades
0 / 3
$0 bought, $408k sold
Where the trades landed
Last year at the company this insider has traded most, with each buy and sell on the bar it happened.
CERS: CERUS CORP
CERSOct 9, 2026 · close 2.30
Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value. Click a marked bar to open the signal.Charts by TradingView Lightweight Charts™
Signals
This insider’s open-market buys and sells, scored.
| Score | Company | Value | Holdings | Price context | Filed |
|---|---|---|---|---|---|
| 34Weak | CERUS CORP | $281k 193,913 shares | -4% | - | |
| 29Weak | CERUS CORP | $91k 60,984 shares | -1% | - | |
| 11Weak | CERUS CORP | $36k 23,023 shares | -1% | - |
Transactions
Every row this insider has filed, newest first.
| Date | Company | Transaction | Shares | Price | Value | Holdings after | Filed |
|---|---|---|---|---|---|---|---|
| Mar 13, 2025 | CERS CERUS CORP | SOpen-market sale Common Stock10b5-1 | -71,086 | $1.45 | $103k | 4,238,672 | Mar 17, 2025 |
| Mar 14, 2025 | CERS CERUS CORP | SOpen-market sale Common Stock10b5-1 | -122,827 | $1.45 | $178k | 4,115,845 | Mar 17, 2025 |
| Mar 6, 2025 | CERS CERUS CORP | AGrant or award Common Stock10b5-1 | +975,000 | $0.00 | $0 | 4,205,000 | Mar 10, 2025 |
| Mar 6, 2025 | CERS CERUS CORP | AGrant or award Common Stock10b5-1 | +165,742 | $0.00 | $0 | 4,370,742 | Mar 10, 2025 |
| Mar 7, 2025 | CERS CERUS CORP | SOpen-market sale Common Stock10b5-1 | -60,984 | $1.50 | $91k | 4,309,758 | Mar 10, 2025 |
| Mar 3, 2025 | CERS CERUS CORP | MOption exercise Common Stock10b5-1 | +57,637 | - | - | 3,253,023 | Mar 5, 2025 |
| Mar 4, 2025 | CERS CERUS CORP | SOpen-market sale Common Stock10b5-1 | -23,023 | $1.55 | $36k | 3,230,000 | Mar 5, 2025 |
| Mar 3, 2025 | CERS CERUS CORP | MOption exercise Restricted Stock Unitderivative10b5-1 | -57,637 | - | - | 0 | Mar 5, 2025 |
| Feb 26, 2025 | CERS CERUS CORP | AGrant or award Restricted Stock Unitderivative10b5-1 | +57,637 | - | - | 57,637 | Feb 28, 2025 |
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.