| Date | Name | Title | Type | Security | Shares | Price | Value | Ownership | Reported |
| 08/17/2023 | NEVIN DARIUS G | Director | Grant | | 14k | $0.00 | $0 | | 08/17/2023 |
| 08/17/2023 | Reynolds Andrew | Director | Grant | Common Stock, $.005 Par Value | 14k | $0.00 | $0 | | 08/17/2023 |
| 08/17/2023 | Weisenhoff Michael | | Grant | Common Stock, $.005 Par Value | 4k | $0.00 | $0 | | 08/17/2023 |
| 08/17/2023 | Davis Robyn C | Director | Grant | Common Stock, $.005 Par Value | 14k | $0.00 | $0 | | 08/17/2023 |
| 08/17/2023 | Doucot Charles M | Executive Vice President | Sale | Common Stock, $.005 Par Value | 12.7k | $4.66 | $59.2k | | 08/17/2023 |
| 08/17/2023 | Kamin Peter | 10% Owner | Grant | Common Stock, $.005 Par Value | 14k | $0.00 | $0 | | 08/17/2023 |
| 08/17/2023 | Hullinger Brian | President & CEO | Grant | Stock Option (Right to Buy) | 200k | $4.64 | $928k | | 08/17/2023 |
| 08/17/2023 | Hullinger Brian | President & CEO | Grant | Stock Option (Right to Buy) | 100k | $4.64 | $464k | | 08/17/2023 |
| 05/22/2023 | KUBACKI RAYMOND C JR | Chairman, CEO & President | Payment of Exercise | Common Stock, $.005 Par Value | 1.5k | $4.93 | $7.4k | | 05/22/2023 |
| 05/22/2023 | SCHAFFER MICHAEL I | VP of Laboratory Operations | Payment of Exercise | Common Stock, $.005 Par Value | 375 | $4.93 | $1.8k | | 05/22/2023 |
| 05/22/2023 | Doucot Charles M | Executive Vice President | Payment of Exercise | Common Stock, $.005 Par Value | 825 | $4.93 | $4.1k | | 05/22/2023 |
| 05/15/2023 | Doucot Charles M | Executive Vice President | Payment of Exercise | Common Stock, $.005 Par Value | 900 | $4.87 | $4.4k | | 05/15/2023 |
| 05/15/2023 | SCHAFFER MICHAEL I | VP of Laboratory Operations | Payment of Exercise | Common Stock, $.005 Par Value | 337 | $4.87 | $1.6k | | 05/15/2023 |
| 05/15/2023 | KUBACKI RAYMOND C JR | Chairman, CEO & President | Payment of Exercise | Common Stock, $.005 Par Value | 1.7k | $4.87 | $8.4k | | 05/15/2023 |
| 12/16/2022 | SCHAFFER MICHAEL I | VP of Laboratory Operations | Purchase | Common Stock, $.005 Par Value | 100 | $4.95 | $495 | | 12/16/2022 |
| 11/11/2022 | Doucot Charles M | Executive Vice President | Payment of Exercise | Common Stock, $.005 Par Value | 1.4k | $6.18 | $8.3k | | 11/11/2022 |
| 11/11/2022 | SCHAFFER MICHAEL I | VP of Laboratory Operations | Payment of Exercise | Common Stock, $.005 Par Value | 525 | $6.18 | $3.2k | | 11/11/2022 |
| 11/11/2022 | KUBACKI RAYMOND C JR | Chairman, CEO & President | Payment of Exercise | Common Stock, $.005 Par Value | 2.6k | $6.18 | $16.2k | | 11/11/2022 |
| 08/12/2022 | NEVIN DARIUS G | Director | Grant | | 9k | $0.00 | $0 | | 08/12/2022 |
| 08/12/2022 | Kamin Peter | 10% Owner | Grant | Common Stock, $.005 Par Value | 9k | $0.00 | $0 | | 08/12/2022 |
| 05/20/2022 | Reynolds Andrew | Director | Grant | Common Stock, $.005 Par Value | 12k | $0.00 | $0 | | 05/20/2022 |
| 05/20/2022 | KUBACKI RAYMOND C JR | Chairman, CEO & President | Grant | Common Stock, $.005 Par Value | 20k | $0.00 | $0 | | 05/20/2022 |
| 05/20/2022 | Davis Robyn C | Director | Grant | Common Stock, $.005 Par Value | 12k | $0.00 | $0 | | 05/20/2022 |
| 05/20/2022 | TOMENSON WALTER S | Director | Grant | Common Stock, $.005 Par Value | 12k | $0.00 | $0 | | 05/20/2022 |
| 05/20/2022 | Doucot Charles M | Executive Vice President | Grant | Common Stock, $.005 Par Value | 11k | $0.00 | $0 | | 05/20/2022 |
| 05/20/2022 | WEINERT FRED J | Director | Grant | Common Stock, $.005 Par Value | 12k | $0.00 | $0 | | 05/20/2022 |
| 05/20/2022 | Limbek Andrew | Vice President & Controller | Grant | Common Stock, $.005 Par Value | 7k | $0.00 | $0 | | 05/20/2022 |
| 05/20/2022 | SCHAFFER MICHAEL I | VP of Laboratory Operations | Grant | Common Stock, $.005 Par Value | 5k | $0.00 | $0 | | 05/20/2022 |
| 05/13/2022 | Limbek Andrew | Vice President & Controller | Payment of Exercise | Common Stock, $.005 Par Value | 600 | $6.44 | $3.9k | | 05/13/2022 |
| 05/13/2022 | Doucot Charles M | Executive Vice President | Payment of Exercise | Common Stock, $.005 Par Value | 900 | $6.44 | $5.8k | | 05/13/2022 |
| 05/13/2022 | SCHAFFER MICHAEL I | VP of Laboratory Operations | Payment of Exercise | Common Stock, $.005 Par Value | 337 | $6.44 | $2.2k | | 05/13/2022 |
| 05/13/2022 | KUBACKI RAYMOND C JR | Chairman, CEO & President | Payment of Exercise | Common Stock, $.005 Par Value | 1.7k | $6.44 | $11.1k | | 05/13/2022 |
| 04/20/2022 | Kamin Peter | 10% Owner | Purchase | Common Stock | 1.8k | $6.72 | $12.1k | By 3K Limited Partnership | 04/19/2022 |
| 04/20/2022 | Kamin Peter | 10% Owner | Purchase | Common Stock | 8.1k | $6.72 | $54.4k | | 04/19/2022 |
| 04/20/2022 | Kamin Peter | 10% Owner | Purchase | Common Stock | 2k | $6.72 | $13.1k | By Peter H. Kamin Revocable Trust | 04/19/2022 |
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