Updated Jul 16, 2026 · Last SEC filing 2026-07-02
CERUS CORP (CERS) has filed 13 SEC Form 4 insider transactions in the last 90 days, with the most recent on 2026-07-02. 4 Form 8-K material event filings were reported by CERS in the last 90 days. 4 Form 144 notices of proposed sale were filed for CERS stock. InsiderAlpha tracks every CERS SEC filing — Form 4, Form 144, and 8-K — in real time, including Rule 10b5-1 plan detection.
| SIC classification | Surgical & Medical Instruments & Apparatus (SIC 3841) |
|---|---|
| SEC CIK | 0001020214 |
| Form 4 filings (90d) | 13 |
|---|---|
| Form 8-K filings (90d) | 4 |
| Form 144 notices (90d) | 4 |
| Latest Form 4 filing | 2026-07-02 |
| Date | Insider | Role | Transaction | Shares | Price | Value | Filing |
|---|---|---|---|---|---|---|---|
| Jayaraman Vivek K | Chief Operating Officer | A — Grant or award | 554.5K | $0.00 | — | SEC | |
| Jayaraman Vivek K | Chief Operating Officer | S — Open-market sale | 42.4K | $2.94 | $125K | SEC | |
| Green Kevin Dennis | Chief Financial Officer | S — Open-market sale | 33.7K | $2.94 | $99K | SEC | |
| Green Kevin Dennis | Chief Financial Officer | A — Grant or award | 63.6K | $0.00 | — | SEC | |
| Jensen Chrystal | Chief Legal Officer | A — Grant or award | 55.0K | $0.00 | — | SEC | |
| Jayaraman Vivek K | Chief Operating Officer | A — Grant or award | 80.0K | $0.00 | — | SEC | |
| Greenman William Mariner | President and CEO | A — Grant or award | 192.5K | $0.00 | — | SEC | |
| Jensen Chrystal | Chief Legal Officer | S — Open-market sale | 24.3K | $2.94 | $72K | SEC | |
| Greenman William Mariner | President and CEO | S — Open-market sale | 101.9K | $2.94 | $300K | SEC | |
| BJERKHOLT ERIC | Insider | S — Open-market sale | 20.5K | $2.60 | $53K | SEC | |
| NACHTSHEIM JAMI K | Insider | A — Grant or award | 60.0K | $0.00 | — | SEC | |
| BJERKHOLT ERIC | Insider | A — Grant or award | 60.0K | $0.00 | — | SEC | |
| Gregory Dean A. | Insider | A — Grant or award | 60.0K | $0.00 | — | SEC | |
| Shan Hua | Insider | A — Grant or award | 60.0K | $0.00 | — | SEC | |
| Witney Frank | Insider | A — Grant or award | 60.0K | $0.00 | — | SEC |
All transactions sourced from SEC EDGAR Form 4 filings for CERUS CORP (CERS). Updated in real time as new filings are submitted to the SEC.
| Insider | Form 4 filings | Total transaction value |
|---|---|---|
| Jayaraman Vivek K | 6 | $225K |
| BJERKHOLT ERIC | 2 | $53K |
| Jensen Chrystal | 2 | $72K |
| Green Kevin Dennis | 2 | $99K |
| Greenman William Mariner | 2 | $300K |
Form 144 must be filed before insiders sell restricted or control stock above SEC thresholds. A cluster of Form 144 notices often precedes a wave of insider distribution.
SEC Form 4 transactions are reported with a one-letter code indicating the type of transaction. Common codes you'll see in CERS insider filings:
| P | Open-market purchase by the insider |
|---|---|
| S | Open-market sale by the insider |
| A | Grant, award, or other acquisition from the issuer |
| M | Exercise or conversion of derivative security (e.g. options) |
| F | Payment of exercise price or tax liability via share withholding |
| G | Bona-fide gift of securities |
| D | Disposition to the issuer (e.g. share buyback participation) |
| J | Other acquisition or disposition |
| X | Exercise of in-the-money or at-the-money derivative security |
| C | Conversion of derivative security |
| V | Transaction voluntarily reported earlier than required |
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