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| Ticker | Owner | Relationship | Date | Transaction | Cost | #Shares | Value ($) | #Shares Total | SEC Form 4 |
|---|---|---|---|---|---|---|---|---|---|
| CERS | Green Kevin Dennis | Chief Financial Officer | Mar 12 '26 | Sale | 1.66 | 127,544 | 211,366 | 1,040,551 | Mar 16 12:00 AM |
| CERS | Green Kevin Dennis | Chief Financial Officer | Mar 06 '26 | Sale | 2.01 | 27,796 | 55,745 | 1,168,095 | Mar 09 12:00 AM |
| CERS | Green Kevin Dennis | Chief Financial Officer | Mar 05 '26 | Sale | 2.06 | 55,225 | 113,902 | 1,195,891 | Mar 09 12:00 AM |
| CERS | Green Kevin Dennis | Chief Financial Officer | Mar 14 '25 | Sale | 1.45 | 36,740 | 53,273 | 875,867 | Mar 17 12:00 AM |
| CERS | Green Kevin Dennis | Chief Financial Officer | Mar 13 '25 | Sale | 1.45 | 23,147 | 33,563 | 912,607 | Mar 17 12:00 AM |
| CERS | Green Kevin Dennis | Chief Financial Officer | Mar 07 '25 | Sale | 1.50 | 31,148 | 46,660 | 935,754 | Mar 10 12:00 AM |
| CERS | Green Kevin Dennis | Chief Financial Officer | Mar 04 '25 | Sale | 1.55 | 8,386 | 12,986 | 554,518 | Mar 05 12:00 AM |
| CERS | Green Kevin Dennis | Chief Financial Officer | Mar 03 '25 | Option Exercise | 0.00 | 37,100 | 0 | 562,904 | Mar 05 12:00 AM |
| CERS | Green Kevin Dennis | Chief Financial Officer | Mar 03 '25 | Sale | 1.58 | 60,656 | 95,673 | 493,862 | Mar 05 12:00 AM |
| CERS | Green Kevin Dennis | Chief Financial Officer | Sep 04 '24 | Sale | 2.15 | 54,272 | 116,826 | 536,093 | Sep 05 12:00 AM |
| CERS | Green Kevin Dennis | Chief Financial Officer | Sep 03 '24 | Sale | 2.18 | 28,385 | 61,919 | 590,365 | Sep 05 12:00 AM |
| CERS | Green Kevin Dennis | Chief Financial Officer | Mar 14 '24 | Sale | 1.97 | 21,497 | 42,444 | 618,750 | Mar 14 12:00 AM |
| CERS | Green Kevin Dennis | Chief Financial Officer | Mar 13 '24 | Sale | 2.02 | 21,058 | 42,438 | 640,247 | Mar 14 12:00 AM |
| CERS | Green Kevin Dennis | Chief Financial Officer | Mar 12 '24 | Option Exercise | 0.00 | 43,332 | 0 | 661,305 | Mar 14 12:00 AM |
| CERS | Green Kevin Dennis | Chief Financial Officer | Mar 13 '23 | Sale | 2.80 | 17,163 | 48,057 | 421,797 | Mar 14 12:00 AM |
| CERS | Green Kevin Dennis | Chief Financial Officer | Mar 12 '23 | Option Exercise | 0.00 | 90,254 | 0 | 443,464 | Mar 14 12:00 AM |
| CERS | Green Kevin Dennis | Chief Financial Officer | May 10 '22 | Sale | 4.98 | 57,335 | 285,373 | 222,999 | May 12 12:00 AM |
| CERS | Green Kevin Dennis | Chief Financial Officer | Mar 14 '22 | Sale | 5.04 | 24,325 | 122,589 | 251,847 | Mar 15 12:00 AM |
| CERS | Green Kevin Dennis | Chief Financial Officer | Mar 12 '22 | Option Exercise | 0.00 | 178,874 | 0 | 288,111 | Mar 15 12:00 AM |
| CERS | Green Kevin Dennis | Chief Financial Officer | Mar 12 '22 | Sale | 5.04 | 7,777 | 39,192 | 280,334 | Mar 15 12:00 AM |
| CERS | Green Kevin Dennis | Chief Financial Officer | Nov 03 '21 | Option Exercise | 3.75 | 190,000 | 712,500 | 248,740 | Nov 05 12:00 AM |
| CERS | Green Kevin Dennis | Chief Financial Officer | Nov 03 '21 | Sale | 7.00 | 95,741 | 670,187 | 152,999 | Nov 05 12:00 AM |
| CERS | Green Kevin Dennis | Chief Financial Officer | Mar 15 '21 | Sale | 6.38 | 29,331 | 187,064 | 109,745 | Mar 16 12:00 AM |
| CERS | Green Kevin Dennis | Chief Financial Officer | Mar 12 '21 | Option Exercise | 0.00 | 167,206 | 0 | 161,729 | Mar 16 12:00 AM |