| Symbol | Relationship | Date | Transaction | Cost | # Shares | Value($) | Total Shares | Form 4 | |
| Y! | GLSI | Director | Nov 20, 2020 | Buy | $5.40 | 1,500 | 8,100 | 620,101 | Nov 24, 2020, 08:00 AM |
| Y! | GLSI | Director | Sep 29, 2020 | Buy | $5.75 | 2,608 | 14,996 | 446,979 | Sep 29, 2020, 09:41 PM |
| Symbol | Relationship | Date | Transaction | Value($) |
| GLSI | Director | Nov 20, 2020 | Buy | 8,100 |
| GLSI | Director | Sep 29, 2020 | Buy | 14,996 |