Cerus Corporation (CERS) Insider Trading
Over the last 3 months, CERS insiders made 0 open-market buys and 8 sales, a net sale of -$801K (SEC Form 4). Over the last 6 months, 119 institutions increased and 113 reduced their position (13F).
Insider Activity
Sentiment
0/100
Buys (3m)
0
Sells (3m)
8
Net (3m)
-$801.1K
Insider trades by month Buys Sells
Aug
Nov
Mar
May
Jun
Jul
Context3-month price +62.1%Institutions mixed (13F)
| Date | Insider | Type | Shares | Price |
|---|---|---|---|---|
| Jul 20, 2026 | Jayaraman Vivek Kofficer: Chief Executive Officer | Sell | 16,666 | $3.16 |
| Jul 2, 2026 | Jensen Chrystalofficer: Chief Legal Officer | Grant | 55,000 | — |
| Jul 2, 2026 | Jayaraman Vivek Kofficer: Chief Operating Officer | Grant | 554,529 | — |
| 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 | Jensen Chrystalofficer: Chief Legal Officer | Sell | 24,329 | $2.94 |
| Jul 2, 2026 | Greenman William Marinerdirector, officer: President and CEO | Sell | 101,919 | $2.94 |
| Jul 2, 2026 | Jayaraman Vivek Kofficer: Chief Operating Officer | Sell | 42,359 | $2.94 |
| Jul 2, 2026 | Green Kevin Dennisofficer: Chief Financial Officer | Sell | 33,676 | $2.94 |
| Jul 2, 2026 | Jayaraman Vivek Kofficer: Chief Operating Officer | Grant | 80,000 | — |
| Jul 2, 2026 | Jayaraman Vivek Kofficer: Chief Operating Officer | Grant | 369,686 | — |
| Jun 11, 2026 | BJERKHOLT ERICdirector | Sell | 20,454 | $2.60 |
| Jun 2, 2026 | NACHTSHEIM JAMI Kdirector | Grant | 60,000 | — |
| Jun 2, 2026 | Jayaraman Vivek Kofficer: Chief Operating Officer | Sell | 16,667 | $3.00 |
| Jun 2, 2026 | BJERKHOLT ERICdirector | Grant | 60,000 | — |
| Jun 2, 2026 | Witney Frankdirector | Grant | 60,000 | — |
| Jun 2, 2026 | Shan Huadirector | Grant | 60,000 | — |
| Jun 2, 2026 | Lucena Anndirector | Grant | 60,000 | — |
| Jun 2, 2026 | Gregory Dean A.director | 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 | Greenman William Marinerdirector, officer: President and CEO | Sell | 447,757 | $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 | 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 10, 2026 | Benjamin Richard Jofficer: Chief Medical Officer | Sell | 61,233 | $2.06 |
| Mar 9, 2026 | Greenman William Marinerdirector, officer: President and CEO | Grant | 193,270 | — |
| Mar 9, 2026 | Green Kevin Dennisofficer: Chief Financial Officer | Grant | 63,854 | — |
Source: CERS SEC Form 4 filings, latest Jul 20, 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
119
New positions
48
Reduced
113
Sold out
33
Largest moves
| Institution | Action | Shares | Filed |
|---|---|---|---|
| BLACKROCK, INC. | Increased | 21.9M | Feb 12, 2026 |
| BLACKROCK, INC. | Reduced | 21.6M | May 13, 2026 |
| ARK INVESTMENT MANAGEMENT LLC | Increased | 19.2M | May 12, 2026 |
| ARK INVESTMENT MANAGEMENT LLC | Reduced | 18.2M | Feb 11, 2026 |
| VANGUARD GROUP INC | Increased | 11.2M | Jan 29, 2026 |
| SOLEUS CAPITAL MANAGEMENT, L.P. | Increased | 10.8M | May 14, 2026 |
| BAKER BROS. ADVISORS LP | Unchanged | 10.0M | Feb 17, 2026 |
| BAKER BROS. ADVISORS LP | Unchanged | 10.0M | May 15, 2026 |
| VANGUARD CAPITAL MANAGEMENT LLC | New Position | 8.1M | May 15, 2026 |
| WASATCH ADVISORS LP | Reduced | 5.5M | Feb 12, 2026 |
| WASATCH ADVISORS LP | Reduced | 5.3M | Apr 21, 2026 |
| NIKKO ASSET MANAGEMENT AMERICAS, INC. | Reduced | 4.7M | Feb 11, 2026 |
| SUMITOMO MITSUI TRUST HOLDINGS, INC. | Reduced | 4.7M | Jan 23, 2026 |
| SILVERCREST ASSET MANAGEMENT GROUP LLC | Increased | 4.7M | Feb 17, 2026 |
| GEODE CAPITAL MANAGEMENT, LLC | Increased | 4.6M | May 15, 2026 |
Source: SEC Form 13F filings. For informational purposes only — not investment advice.