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| Date | Name | Title | Action | No Shares | Price Per Share |
|---|---|---|---|---|---|
Insider Transactions For ALT | |||||
| 2026-10-01 | Menziuso, Richard Thomas | Principal Accounting Officer | Purchased | 36234 | $0.00 |
| 2026-10-01 | Menziuso, Richard Thomas | Principal Accounting Officer | Purchased | 84546 | $0.00 |
| 2026-09-16 | Richardson, Linda M | Chief Commercial Officer | Sold | 24000 | $0.00 |
| 2026-09-16 | Richardson, Linda M | Chief Commercial Officer | Purchased | 24000 | $0.00 |
| 2026-09-16 | Richardson, Linda M | Chief Commercial Officer | Sold | 6826 | $3.24 |
| 2026-08-13 | Durso, Jerome Benedict | Director, President and CEO | Purchased | 15000 | $2.95 |
| 2026-07-31 | Roberts, M Scot | Chief Scientific Officer | Purchased | 875 | $2.41 |
| 2026-07-31 | Weaver, Gregory L | Chief Financial Officer | Purchased | 1753 | $2.41 |
| 2026-05-01 | Lawver, Teri L | Director | Purchased | 48800 | $0.00 |
| 2026-05-01 | Hodges, Philip | Director | Purchased | 48800 | $0.00 |
| 2026-05-01 | Sayare, Mitchel | Director | Purchased | 48800 | $0.00 |
| 2026-05-01 | Gill, John | Director | Purchased | 48800 | $0.00 |
| 2026-05-01 | Pisano, Wayne | Director | Purchased | 48800 | $0.00 |
| 2026-05-01 | Schafer, Klaus | Director | Purchased | 48800 | $0.00 |
| 2026-05-01 | Jorkasky, Diane | Director | Purchased | 48800 | $0.00 |
| 2026-05-01 | Sohn, Catherine A. | Director | Purchased | 48800 | $0.00 |
| 2026-04-06 | Gill, John | Director | Purchased | 9200 | $3.41 |
| 2026-04-01 | Durso, Jerome Benedict | Director, President and CEO | Purchased | 15000 | $3.14 |
| 2026-04-01 | Weaver, Gregory L | Chief Financial Officer | Purchased | 10000 | $3.15 |
| 2026-03-06 | Durso, Jerome Benedict | Director, President and CEO | Purchased | 20000 | $3.54 |
