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| Ticker | Owner | Relationship | Date | Transaction | Cost | #Shares | Value ($) | #Shares Total | SEC Form 4 |
|---|---|---|---|---|---|---|---|---|---|
| KALV | Piekos Brian | Chief Financial Officer | May 22 '26 | Sale | 26.78 | 1,489 | 39,882 | 21,661 | May 26 12:00 AM |
| KALV | Piekos Brian | Chief Financial Officer | May 21 '26 | Option Exercise | 0.00 | 10,000 | 0 | 55,000 | May 26 12:00 AM |
| KALV | Piekos Brian | Chief Financial Officer | Apr 17 '26 | Sale | 20.22 | 1,862 | 37,643 | 18,150 | Apr 20 12:00 AM |
| KALV | Piekos Brian | Chief Financial Officer | Apr 16 '26 | Option Exercise | 0.00 | 12,500 | 0 | 93,750 | Apr 20 12:00 AM |
| KALV | Piekos Brian | Chief Financial Officer | Feb 23 '26 | Sale | 15.57 | 1,767 | 27,507 | 13,762 | Feb 24 12:00 AM |
| KALV | Piekos Brian | Chief Financial Officer | Feb 21 '26 | Option Exercise | 0.00 | 10,000 | 0 | 60,000 | Feb 24 12:00 AM |
| KALV | Piekos Brian | Chief Financial Officer | Nov 24 '25 | Sale | 13.45 | 4,471 | 60,139 | 10,529 | Nov 26 12:00 AM |
| KALV | Piekos Brian | Chief Financial Officer | Nov 21 '25 | Option Exercise | 0.00 | 30,000 | 0 | 65,000 | Nov 26 12:00 AM |