| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | AATC | Common Stock | Purchase | $6,810 | +1,000 | +1% | $6.81 | 101,282 | 12 May 2021 | Direct | |
| transaction | AATC | Common Stock | Purchase | $13,500 | +2,000 | +2% | $6.75 | 103,282 | 12 May 2021 | Direct | |
| transaction | AATC | Common Stock | Purchase | $6,760 | +1,000 | +0.97% | $6.76 | 104,282 | 12 May 2021 | Direct | |
| transaction | AATC | Common Stock | Purchase | $3,179 | +473 | +0.45% | $6.72 | 104,755 | 12 May 2021 | Direct | |
| transaction | AATC | Common Stock | Purchase | $3,557 | +527 | +0.5% | $6.75 | 105,282 | 13 May 2021 | Direct | |
| transaction | AATC | Common Stock | Purchase | $6,720 | +1,000 | +0.95% | $6.72 | 106,282 | 13 May 2021 | Direct | |
| transaction | AATC | Common Stock | Purchase | $3,350 | +500 | +0.47% | $6.70 | 106,782 | 13 May 2021 | Direct | |
| transaction | AATC | Common Stock | Purchase | $13,380 | +2,000 | +1.9% | $6.69 | 108,782 | 13 May 2021 | Direct | |
| transaction | AATC | Common Stock | Purchase | $3,325 | +500 | +0.46% | $6.65 | 109,282 | 13 May 2021 | Direct | |
| transaction | AATC | Common Stock | Purchase | $13,280 | +2,000 | +1.8% | $6.64 | 111,282 | 13 May 2021 | Direct | |
| transaction | AATC | Common Stock | Purchase | $13,260 | +2,000 | +1.8% | $6.63 | 113,282 | 13 May 2021 | Direct | |
| transaction | AATC | Common Stock | Purchase | $6,610 | +1,000 | +0.88% | $6.61 | 114,282 | 13 May 2021 | Direct | |
| transaction | AATC | Common Stock | Purchase | $6,600 | +1,000 | +0.88% | $6.60 | 115,282 | 13 May 2021 | Direct | |
| transaction | AATC | Common Stock | Purchase | $6,550 | +1,000 | +0.87% | $6.55 | 116,282 | 13 May 2021 | Direct | |
| transaction | AATC | Common Stock | Purchase | $6,500 | +1,000 | +0.86% | $6.50 | 117,282 | 13 May 2021 | Direct | |
| transaction | AATC | Common Stock | Purchase | $6,450 | +1,000 | +0.85% | $6.45 | 118,282 | 13 May 2021 | Direct | |
| transaction | AATC | Common Stock | Purchase | $6,400 | +1,000 | +0.85% | $6.40 | 119,282 | 13 May 2021 | Direct | |
| transaction | AATC | Common Stock | Purchase | $6,350 | +1,000 | +0.84% | $6.35 | 120,282 | 13 May 2021 | Direct |