Cerus Corporation (CERS) Insider Trading
Over the last 3 months, CERS insiders made 0 open-market buys and 7 sales, a net sale of -$791K (SEC Form 4). Over the last 6 months, 130 institutions increased and 113 reduced their position (13F).
Insider Activity
Sentiment
0/100
Buys (3m)
0
Sells (3m)
7
Net (3m)
-$790.7K
Insider trades by month Buys Sells
Nov
Mar
May
Jun
Jul
Aug
Context3-month price -7.2%Institutions accumulating (13F)
| Date | Insider | Type | Shares | Price |
|---|---|---|---|---|
| Aug 17, 2026 | Jensen Chrystalofficer: Chief Legal Officer | Sell | 30,000 | $2.98 |
| Jul 20, 2026 | Jayaraman Vivek Kofficer: Chief Executive Officer | Sell | 16,666 | $3.16 |
| Jul 2, 2026 | Greenman William Marinerdirector, officer: President and CEO | Sell | 101,919 | $2.94 |
| Jul 2, 2026 | Jensen Chrystalofficer: Chief Legal Officer | Grant | 55,000 | — |
| Jul 2, 2026 | Green Kevin Dennisofficer: Chief Financial Officer | Sell | 33,676 | $2.94 |
| Jul 2, 2026 | Greenman William Marinerdirector, officer: President and CEO | Grant | 192,500 | — |
| Jul 2, 2026 | Green Kevin Dennisofficer: Chief Financial Officer | Grant | 63,600 | — |
| Jul 2, 2026 | Jayaraman Vivek Kofficer: Chief Operating Officer | Sell | 42,359 | $2.94 |
| Jul 2, 2026 | Jayaraman Vivek Kofficer: Chief Operating Officer | Grant | 369,686 | — |
| Jul 2, 2026 | Jensen Chrystalofficer: Chief Legal Officer | Sell | 24,329 | $2.94 |
| Jul 2, 2026 | Jayaraman Vivek Kofficer: Chief Operating Officer | Grant | 554,529 | — |
| Jul 2, 2026 | Jayaraman Vivek Kofficer: Chief Operating Officer | Grant | 80,000 | — |
| Jun 11, 2026 | BJERKHOLT ERICdirector | Sell | 20,454 | $2.60 |
| Jun 2, 2026 | NACHTSHEIM JAMI Kdirector | Grant | 60,000 | — |
| Jun 2, 2026 | Shan Huadirector | Grant | 60,000 | — |
| Jun 2, 2026 | Gregory Dean A.director | Grant | 60,000 | — |
| Jun 2, 2026 | BJERKHOLT ERICdirector | Grant | 60,000 | — |
| Jun 2, 2026 | Lucena Anndirector | Grant | 60,000 | — |
| Jun 2, 2026 | Jayaraman Vivek Kofficer: Chief Operating Officer | Sell | 16,667 | $3.00 |
| Jun 2, 2026 | Witney Frankdirector | Grant | 60,000 | — |
| May 5, 2026 | Jayaraman Vivek Kofficer: Chief Operating Officer | Sell | 16,667 | $3.00 |
| Apr 3, 2026 | Jensen Chrystalofficer: Chief Legal Officer | Grant | 200,000 | — |
| Apr 3, 2026 | Green Kevin Dennisofficer: Chief Financial Officer | Grant | 200,000 | — |
| Mar 16, 2026 | Jensen Chrystalofficer: Chief Legal Officer | Sell | 113,008 | $1.66 |
| Mar 16, 2026 | Jayaraman Vivek Kofficer: Chief Operating Officer | Sell | 165,200 | $1.66 |
| Mar 16, 2026 | Benjamin Richard Jofficer: Chief Medical Officer | Sell | 101,740 | $1.66 |
| Mar 16, 2026 | Green Kevin Dennisofficer: Chief Financial Officer | Sell | 127,544 | $1.66 |
| Mar 16, 2026 | Greenman William Marinerdirector, officer: President and CEO | Sell | 447,757 | $1.66 |
| Mar 10, 2026 | Benjamin Richard Jofficer: Chief Medical Officer | Sell | 61,233 | $2.06 |
| Mar 9, 2026 | Green Kevin Dennisofficer: Chief Financial Officer | Sell | 27,796 | $2.01 |
Source: CERS SEC Form 4 filings, latest Aug 17, 2026. For informational purposes only — not investment advice.
Institutional activity (13F)
How institutions changed their CERS positions over the last 6 months (SEC Form 13F).
Increased
130
New positions
61
Reduced
113
Sold out
16
Largest moves
| Institution | Action | Shares | Filed |
|---|---|---|---|
| BlackRock, Inc. | Increased | 22.2M | Aug 7, 2026 |
| BLACKROCK, INC. | Reduced | 21.6M | May 13, 2026 |
| ARK INVESTMENT MANAGEMENT LLC | Increased | 19.2M | May 12, 2026 |
| ARK Investment Management LLC | Reduced | 17.9M | Aug 14, 2026 |
| SOLEUS CAPITAL MANAGEMENT, L.P. | Increased | 10.8M | May 14, 2026 |
| BAKER BROS. ADVISORS LP | Unchanged | 10.0M | May 15, 2026 |
| VANGUARD CAPITAL MANAGEMENT LLC | Increased | 8.6M | Aug 13, 2026 |
| VANGUARD CAPITAL MANAGEMENT LLC | New Position | 8.1M | May 15, 2026 |
| BAKER BROS. ADVISORS LP | Reduced | 6.4M | Aug 14, 2026 |
| D. E. Shaw & Co., Inc. | Increased | 5.5M | Aug 14, 2026 |
| WASATCH ADVISORS LP | Reduced | 5.3M | Apr 21, 2026 |
| GEODE CAPITAL MANAGEMENT, LLC | Increased | 5.1M | Aug 12, 2026 |
| STATE STREET CORP | Increased | 4.8M | Aug 7, 2026 |
| GEODE CAPITAL MANAGEMENT, LLC | Increased | 4.6M | May 15, 2026 |
| Senvest Management, LLC | Increased | 4.6M | Aug 14, 2026 |
Source: SEC Form 13F filings. For informational purposes only — not investment advice.