CERS
Cerus Corporation
NASDAQ · Healthcare · Medical - Devices · US
$2.59
+0.78%0
Insider buys (3m)
7
Insider sells (3m)
-$790.7K
Net value (3m)
-5.4%
Price return (3m)
Form 4 filings
| Date | Insider | Activity | Shares | Price |
|---|---|---|---|---|
| Aug 17, 2026 | Jensen Chrystal · officer: Chief Legal Officer | Sale | 30,000 | $2.98 |
| Jul 20, 2026 | Jayaraman Vivek K · officer: Chief Executive Officer | Sale | 16,666 | $3.16 |
| Jul 2, 2026 | Greenman William Mariner · director, officer: President and CEO | Sale | 101,919 | $2.94 |
| Jul 2, 2026 | Jensen Chrystal · officer: Chief Legal Officer | A-Award | 55,000 | $0.00 |
| Jul 2, 2026 | Green Kevin Dennis · officer: Chief Financial Officer | Sale | 33,676 | $2.94 |
| Jul 2, 2026 | Greenman William Mariner · director, officer: President and CEO | A-Award | 192,500 | $0.00 |
| Jul 2, 2026 | Green Kevin Dennis · officer: Chief Financial Officer | A-Award | 63,600 | $0.00 |
| Jul 2, 2026 | Jayaraman Vivek K · officer: Chief Operating Officer | Sale | 42,359 | $2.94 |
| Jul 2, 2026 | Jayaraman Vivek K · officer: Chief Operating Officer | A-Award | 369,686 | $0.00 |
| Jul 2, 2026 | Jensen Chrystal · officer: Chief Legal Officer | Sale | 24,329 | $2.94 |
| Jul 2, 2026 | Jayaraman Vivek K · officer: Chief Operating Officer | A-Award | 554,529 | $0.00 |
| Jul 2, 2026 | Jayaraman Vivek K · officer: Chief Operating Officer | A-Award | 80,000 | $0.00 |
| Jun 11, 2026 | BJERKHOLT ERIC · director | Sale | 20,454 | $2.60 |
| Jun 2, 2026 | NACHTSHEIM JAMI K · director | A-Award | 60,000 | $0.00 |
| Jun 2, 2026 | Shan Hua · director | A-Award | 60,000 | $0.00 |
| Jun 2, 2026 | Gregory Dean A. · director | A-Award | 60,000 | $0.00 |
| Jun 2, 2026 | BJERKHOLT ERIC · director | A-Award | 60,000 | $0.00 |
| Jun 2, 2026 | Lucena Ann · director | A-Award | 60,000 | $0.00 |
| Jun 2, 2026 | Jayaraman Vivek K · officer: Chief Operating Officer | Sale | 16,667 | $3.00 |
| Jun 2, 2026 | Witney Frank · director | A-Award | 60,000 | $0.00 |
| May 5, 2026 | Jayaraman Vivek K · officer: Chief Operating Officer | Sale | 16,667 | $3.00 |
| Apr 3, 2026 | Jensen Chrystal · officer: Chief Legal Officer | A-Award | 200,000 | $0.00 |
| Apr 3, 2026 | Green Kevin Dennis · officer: Chief Financial Officer | A-Award | 200,000 | $0.00 |
| Mar 16, 2026 | Jensen Chrystal · officer: Chief Legal Officer | Sale | 113,008 | $1.66 |
| Mar 16, 2026 | Jayaraman Vivek K · officer: Chief Operating Officer | Sale | 165,200 | $1.66 |
| Mar 16, 2026 | Benjamin Richard J · officer: Chief Medical Officer | Sale | 101,740 | $1.66 |
| Mar 16, 2026 | Green Kevin Dennis · officer: Chief Financial Officer | Sale | 127,544 | $1.66 |
| Mar 16, 2026 | Greenman William Mariner · director, officer: President and CEO | Sale | 447,757 | $1.66 |
| Mar 10, 2026 | Benjamin Richard J · officer: Chief Medical Officer | Sale | 61,233 | $2.06 |
| Mar 9, 2026 | Green Kevin Dennis · officer: Chief Financial Officer | Sale | 27,796 | $2.01 |
Institutional positioning
13F filings over the trailing two quarters
New 61Increased 129Reduced 113Sold out 16
| Filer | Action | Shares | Filed |
|---|---|---|---|
| BlackRock, Inc. | Increased | 22,215,127 | Aug 7, 2026 |
| BLACKROCK, INC. | Reduced | 21,575,419 | May 13, 2026 |
| ARK INVESTMENT MANAGEMENT LLC | Increased | 19,161,148 | May 12, 2026 |
| ARK Investment Management LLC | Reduced | 17,932,099 | Aug 14, 2026 |
| SOLEUS CAPITAL MANAGEMENT, L.P. | Increased | 10,753,700 | May 14, 2026 |
| BAKER BROS. ADVISORS LP | Unchanged | 10,008,345 | May 15, 2026 |
| VANGUARD CAPITAL MANAGEMENT LLC | Increased | 8,563,424 | Aug 13, 2026 |
| VANGUARD CAPITAL MANAGEMENT LLC | New Position | 8,131,778 | May 15, 2026 |
| BAKER BROS. ADVISORS LP | Reduced | 6,395,431 | Aug 14, 2026 |
| D. E. Shaw & Co., Inc. | Increased | 5,485,983 | Aug 14, 2026 |
| WASATCH ADVISORS LP | Reduced | 5,281,136 | Apr 21, 2026 |
| GEODE CAPITAL MANAGEMENT, LLC | Increased | 5,119,019 | Aug 12, 2026 |
| STATE STREET CORP | Increased | 4,753,962 | Aug 7, 2026 |
| GEODE CAPITAL MANAGEMENT, LLC | Increased | 4,637,440 | May 15, 2026 |
| Senvest Management, LLC | Increased | 4,614,061 | Aug 14, 2026 |
Insider activity from SEC Form 4; institutional positioning from 13F filings · Latest filing Aug 17, 2026