| Mar 5, 24 | WHITE DAVID RICHARD | CTO | Purchase | $0.06 | 155.63K | $9.34K | 155.63K |
| Mar 5, 24 | Wheeler L. Allen | CTO | Purchase | $0.06 | 155.63K | $9.34K | 155.63K |
| Mar 5, 24 | Thompson Jason T | CTO | Purchase | $0.06 | 155.63K | $9.34K | 155.63K |
| Mar 5, 24 | McRee Sandra K | COO | Purchase | $0.06 | 8.90M | $534.13K | 8.90M |
| Mar 5, 24 | HIGGINS JAMES R | CTO | Purchase | $0.06 | 155.63K | $9.34K | 155.63K |
| Mar 5, 24 | EPSTEIN STEVEN B | CTO | Purchase | $0.06 | 155.63K | $9.34K | 155.63K |
| May 24, 23 | HealthCor Management, L.P. | CTO | Purchase | $0.10 | 93.48M | $9.35M | 186.97M |
| May 24, 23 | HealthCor Management, L.P. | CTO | Purchase | $0.10 | 93.48M | $9.35M | 186.97M |
| May 24, 23 | HealthCor Management, L.P. | CTO | Purchase | $0.10 | 86.52M | $8.65M | 173.03M |
| May 24, 23 | HealthCor Management, L.P. | CTO | Purchase | $0.10 | 86.52M | $8.65M | 173.03M |
| May 24, 23 | HealthCor Management, L.P. | CTO | Sale | $0.10 | -- | -- | -- |
| May 24, 23 | HealthCor Management, L.P. | CTO | Sale | $0.10 | -- | -- | -- |
| May 24, 23 | HealthCor Associates, LLC | CTO | Purchase | $0.10 | 93.48M | $9.35M | 186.97M |
| May 24, 23 | HealthCor Associates, LLC | CTO | Purchase | $0.10 | 93.48M | $9.35M | 186.97M |
| May 24, 23 | HealthCor Associates, LLC | CTO | Purchase | $0.10 | 86.52M | $8.65M | 173.03M |
| May 24, 23 | HealthCor Associates, LLC | CTO | Purchase | $0.10 | 86.52M | $8.65M | 173.03M |
| May 24, 23 | HealthCor Associates, LLC | CTO | Sale | $0.10 | -- | -- | -- |
| May 24, 23 | HealthCor Associates, LLC | CTO | Sale | $0.10 | -- | -- | -- |
| Mar 30, 23 | HealthCor Management, L.P. | CTO | Purchase | $0.10 | 93.48M | $9.35M | 93.48M |
| Mar 30, 23 | HealthCor Management, L.P. | CTO | Purchase | $0.10 | 93.48M | $9.35M | 93.48M |
| Mar 30, 23 | HealthCor Management, L.P. | CTO | Purchase | $0.10 | 86.52M | $8.65M | 86.52M |
| Mar 30, 23 | HealthCor Management, L.P. | CTO | Purchase | $0.10 | 86.52M | $8.65M | 86.52M |
| Mar 30, 23 | HealthCor Management, L.P. | CTO | Purchase | $0.10 | 8.14M | $814.17K | 8.14M |
| Mar 30, 23 | HealthCor Management, L.P. | CTO | Purchase | $0.10 | 8.14M | $814.17K | 8.14M |
| Mar 30, 23 | HealthCor Management, L.P. | CTO | Purchase | $0.10 | 7.00M | $700.00K | 7.00M |
| Mar 30, 23 | HealthCor Management, L.P. | CTO | Purchase | $0.10 | 7.00M | $700.00K | 7.00M |
| Mar 30, 23 | HealthCor Management, L.P. | CTO | Purchase | $0.10 | 6.50M | $650.00K | 6.50M |
| Mar 30, 23 | HealthCor Management, L.P. | CTO | Purchase | $0.10 | 6.50M | $650.00K | 6.50M |
| Mar 30, 23 | HealthCor Management, L.P. | CTO | Purchase | $0.10 | 6.00M | $600.00K | 6.00M |
| Mar 30, 23 | HealthCor Management, L.P. | CTO | Purchase | $0.10 | 6.00M | $600.00K | 6.00M |
| Mar 30, 23 | HealthCor Management, L.P. | CTO | Sale | $0.10 | -- | -- | -- |
| Mar 30, 23 | HealthCor Management, L.P. | CTO | Sale | $0.10 | -- | -- | -- |
| Mar 30, 23 | HealthCor Associates, LLC | CTO | Purchase | $0.10 | 93.48M | $9.35M | 93.48M |
| Mar 30, 23 | HealthCor Associates, LLC | CTO | Purchase | $0.10 | 93.48M | $9.35M | 93.48M |
| Mar 30, 23 | HealthCor Associates, LLC | CTO | Purchase | $0.10 | 86.52M | $8.65M | 86.52M |
| Mar 30, 23 | HealthCor Associates, LLC | CTO | Purchase | $0.10 | 86.52M | $8.65M | 86.52M |
| Mar 30, 23 | HealthCor Associates, LLC | CTO | Purchase | $0.10 | 8.14M | $814.17K | 8.14M |
| Mar 30, 23 | HealthCor Associates, LLC | CTO | Purchase | $0.10 | 8.14M | $814.17K | 8.14M |
| Mar 30, 23 | HealthCor Associates, LLC | CTO | Purchase | $0.10 | 7.00M | $700.00K | 7.00M |
| Mar 30, 23 | HealthCor Associates, LLC | CTO | Purchase | $0.10 | 7.00M | $700.00K | 7.00M |
| Mar 30, 23 | HealthCor Associates, LLC | CTO | Purchase | $0.10 | 6.50M | $650.00K | 6.50M |
| Mar 30, 23 | HealthCor Associates, LLC | CTO | Purchase | $0.10 | 6.50M | $650.00K | 6.50M |
| Mar 30, 23 | HealthCor Associates, LLC | CTO | Purchase | $0.10 | 6.00M | $600.00K | 6.00M |
| Mar 30, 23 | HealthCor Associates, LLC | CTO | Purchase | $0.10 | 6.00M | $600.00K | 6.00M |
| Mar 30, 23 | HealthCor Associates, LLC | CTO | Sale | $0.10 | -- | -- | -- |
| Mar 30, 23 | HealthCor Associates, LLC | CTO | Sale | $0.10 | -- | -- | -- |
| Mar 30, 23 | Johnson Steven G. | CEO | Purchase | $0.10 | 17.50M | $1.75M | 18.21M |
| Mar 30, 23 | Johnson Steven G. | CEO | Sale | $0.10 | 1.75M | $175.00K | -- |
| Mar 30, 23 | McRee Sandra K | COO | Purchase | $0.10 | 2.00M | $200.00K | 2.00M |
| Mar 30, 23 | McRee Sandra K | COO | Purchase | $0.10 | 1.00M | $100.00K | 1.75M |
| Mar 30, 23 | McRee Sandra K | COO | Sale | $0.10 | -- | -- | -- |
| Mar 30, 23 | Lightcap Jeffrey C | CTO | Sale | $0.10 | 7.00M | $700.00K | 7.00M |
| Mar 30, 23 | Lightcap Jeffrey C | CTO | Purchase | $0.10 | 6.50M | $650.00K | 7.00M |
| Mar 30, 23 | Lightcap Jeffrey C | CTO | Sale | $0.10 | -- | -- | -- |
| Mar 30, 23 | Thompson Jason T | CTO | Purchase | $0.10 | 1.50M | $150.00K | 2.04M |
| Mar 30, 23 | Thompson Jason T | CTO | Purchase | $0.10 | 1.30M | $130.00K | 1.30M |
| Mar 30, 23 | Thompson Jason T | CTO | Sale | $0.10 | 130.00K | $13.00K | -- |
| Mar 30, 23 | Wheeler L. Allen | CTO | Purchase | $0.10 | 800.00K | $80.00K | 11.37M |
| Mar 30, 23 | Wheeler L. Allen | CTO | Sale | $0.10 | -- | -- | -- |
| Mar 30, 23 | HIGGINS JAMES R | CTO | Purchase | $0.10 | 12.00M | $1.20M | 17.23M |
| Mar 30, 23 | HIGGINS JAMES R | CTO | Sale | $0.10 | -- | -- | -- |
| Mar 30, 23 | EPSTEIN STEVEN B | CTO | Purchase | $0.10 | 1.50M | $150.00K | 3.78M |
| Mar 30, 23 | EPSTEIN STEVEN B | CTO | Purchase | $0.10 | 2.50M | $250.00K | 2.50M |
| Mar 30, 23 | EPSTEIN STEVEN B | CTO | Sale | $0.10 | -- | -- | -- |
| Dec 30, 22 | McRee Sandra K | COO | Sale | $0.52 | -- | -- | -- |
| Dec 30, 22 | McRee Sandra K | COO | Purchase | $0.10 | -- | -- | -- |
| Dec 30, 22 | McRee Sandra K | COO | Sale | $0.05 | -- | -- | -- |
| Dec 30, 22 | Wheeler L. Allen | CTO | Sale | $0.05 | -- | -- | -- |
| Dec 30, 22 | Wheeler L. Allen | CTO | Purchase | $0.10 | -- | -- | -- |
| Dec 30, 22 | Wheeler L. Allen | CTO | Sale | $0.52 | -- | -- | -- |
| Dec 30, 22 | EPSTEIN STEVEN B | CTO | Sale | $0.52 | -- | -- | -- |
| Dec 30, 22 | EPSTEIN STEVEN B | CTO | Sale | $0.05 | -- | -- | -- |
| Dec 30, 22 | EPSTEIN STEVEN B | CTO | Purchase | $0.10 | -- | -- | -- |
| Dec 30, 22 | Lightcap Jeffrey C | CTO | Purchase | $0.10 | -- | -- | -- |
| Dec 30, 22 | Lightcap Jeffrey C | CTO | Sale | $0.05 | -- | -- | -- |
| Dec 30, 22 | Lightcap Jeffrey C | CTO | Sale | $0.03 | -- | -- | -- |
| Dec 30, 22 | Lightcap Jeffrey C | CTO | Sale | $0.01 | -- | -- | -- |
| Dec 30, 22 | Lightcap Jeffrey C | CTO | Sale | $0.52 | -- | -- | -- |
| Dec 30, 22 | HIGGINS JAMES R | CTO | Sale | $0.52 | -- | -- | -- |
| Dec 30, 22 | HIGGINS JAMES R | CTO | Sale | $0.05 | -- | -- | -- |
| Dec 30, 22 | HIGGINS JAMES R | CTO | Purchase | $0.10 | -- | -- | -- |
| Dec 30, 22 | Johnson Steven G. | CEO | Purchase | $0.10 | -- | -- | -- |
| Dec 30, 22 | Johnson Steven G. | CEO | Sale | $0.52 | -- | -- | -- |
| Dec 30, 22 | Johnson Steven G. | CEO | Sale | $0.05 | -- | -- | -- |
| Dec 30, 22 | Johnson Steven G. | CEO | Purchase | -- | -- | -- | -- |
| Dec 30, 22 | Johnson Steven G. | CEO | Sale | -- | -- | -- | -- |
| Dec 30, 22 | McRee Sandra K | COO | Sale | -- | -- | -- | -- |
| Dec 30, 22 | McRee Sandra K | COO | Purchase | -- | -- | -- | -- |
| Dec 30, 22 | Wheeler L. Allen | CTO | Sale | -- | -- | -- | -- |
| Dec 30, 22 | Wheeler L. Allen | CTO | Purchase | -- | -- | -- | -- |
| Dec 30, 22 | EPSTEIN STEVEN B | CTO | Sale | -- | -- | -- | -- |
| Dec 30, 22 | EPSTEIN STEVEN B | CTO | Purchase | -- | -- | -- | -- |
| Dec 30, 22 | Lightcap Jeffrey C | CTO | Sale | -- | -- | -- | -- |
| Dec 30, 22 | Lightcap Jeffrey C | CTO | Purchase | -- | -- | -- | -- |
| Dec 30, 22 | HIGGINS JAMES R | CTO | Sale | -- | -- | -- | -- |
| Dec 30, 22 | HIGGINS JAMES R | CTO | Purchase | -- | -- | -- | -- |
| Dec 30, 22 | HealthCor Management, L.P. | CTO | Sale | -- | -- | -- | -- |
| Dec 30, 22 | HealthCor Management, L.P. | CTO | Sale | $0.40 | -- | -- | -- |
| Dec 30, 22 | HealthCor Management, L.P. | CTO | Sale | $0.05 | -- | -- | -- |
| Dec 30, 22 | HealthCor Management, L.P. | CTO | Sale | $0.01 | -- | -- | -- |
| Dec 30, 22 | HealthCor Management, L.P. | CTO | Sale | $0.03 | -- | -- | -- |
| Dec 30, 22 | HealthCor Management, L.P. | CTO | Sale | $0.52 | -- | -- | -- |
| Dec 30, 22 | HealthCor Management, L.P. | CTO | Purchase | $0.10 | -- | -- | -- |
| Dec 30, 22 | HealthCor Management, L.P. | CTO | Purchase | -- | -- | -- | -- |
| Dec 30, 22 | HealthCor Associates, LLC | CTO | Sale | $0.03 | -- | -- | -- |
| Dec 30, 22 | HealthCor Associates, LLC | CTO | Sale | $0.40 | -- | -- | -- |
| Dec 30, 22 | HealthCor Associates, LLC | CTO | Sale | $0.52 | -- | -- | -- |
| Dec 30, 22 | HealthCor Associates, LLC | CTO | Purchase | $0.10 | -- | -- | -- |
| Dec 30, 22 | HealthCor Associates, LLC | CTO | Sale | $0.01 | -- | -- | -- |
| Dec 30, 22 | HealthCor Associates, LLC | CTO | Sale | $0.05 | -- | -- | -- |
| Dec 30, 22 | HealthCor Associates, LLC | CTO | Sale | -- | -- | -- | -- |
| Dec 30, 22 | HealthCor Associates, LLC | CTO | Purchase | -- | -- | -- | -- |
| Nov 14, 22 | Lightcap Jeffrey C | CTO | Purchase | $0.10 | 500.00K | $50.00K | 500.00K |
| Nov 14, 22 | Wheeler L. Allen | CTO | Purchase | $0.10 | 500.00K | $50.00K | 16.59M |
| Nov 14, 22 | Johnson Steven G. | CEO | Purchase | $0.10 | 500.00K | $50.00K | 16.27M |
| Nov 14, 22 | HIGGINS JAMES R | CTO | Purchase | $0.10 | 500.00K | $50.00K | 11.86M |
| Nov 14, 22 | EPSTEIN STEVEN B | CTO | Purchase | $0.10 | 500.00K | $50.00K | 2.28M |
| Jun 30, 22 | HealthCor Management, L.P. | CTO | Purchase | $0.01 | -- | -- | -- |
| Jun 30, 22 | HealthCor Management, L.P. | CTO | Purchase | $0.40 | -- | -- | -- |
| Jun 30, 22 | HealthCor Management, L.P. | CTO | Purchase | $0.03 | -- | -- | -- |
| Jun 30, 22 | Healey Joseph Patrick | CTO | Purchase | -- | -- | -- | -- |
| Jun 30, 22 | HealthCor Associates, LLC | CTO | Purchase | $0.40 | -- | -- | -- |
| Jun 30, 22 | HealthCor Associates, LLC | CTO | Purchase | $0.03 | -- | -- | -- |
| Jun 30, 22 | HealthCor Associates, LLC | CTO | Purchase | $0.01 | -- | -- | -- |
| Jun 30, 22 | HealthCor Partners Management LP | CTO | Purchase | -- | -- | -- | -- |
| Mar 31, 22 | HealthCor Management, L.P. | CTO | Purchase | $0.40 | -- | -- | -- |
| Mar 31, 22 | Healey Joseph Patrick | CTO | Purchase | -- | -- | -- | -- |
| Mar 31, 22 | HealthCor Management, L.P. | CTO | Purchase | $0.03 | -- | -- | -- |
| Mar 31, 22 | HealthCor Management, L.P. | CTO | Purchase | $0.01 | -- | -- | -- |
| Mar 31, 22 | HealthCor Associates, LLC | CTO | Purchase | $0.01 | -- | -- | -- |
| Mar 31, 22 | HealthCor Associates, LLC | CTO | Purchase | $0.40 | -- | -- | -- |
| Mar 31, 22 | HealthCor Partners Management LP | CTO | Purchase | -- | -- | -- | -- |
| Mar 31, 22 | HealthCor Associates, LLC | CTO | Purchase | $0.03 | -- | -- | -- |
| Mar 8, 22 | HealthCor Management, L.P. | CTO | Purchase | $0.09 | 1.60M | $144.23K | 1.60M |
| Mar 8, 22 | HealthCor Management, L.P. | CTO | Purchase | $0.09 | 1.40M | $125.77K | 1.40M |
| Mar 8, 22 | Healey Joseph Patrick | CTO | Purchase | -- | 1.40M | -- | 1.40M |
| Mar 8, 22 | HealthCor Associates, LLC | CTO | Purchase | $0.09 | 1.60M | $144.23K | 1.60M |
| Mar 8, 22 | HealthCor Associates, LLC | CTO | Purchase | $0.09 | 1.40M | $125.77K | 1.40M |
| Mar 8, 22 | HealthCor Partners Management LP | CTO | Purchase | -- | 1.40M | -- | 1.40M |
| Dec 31, 21 | HealthCor Management, L.P. | CTO | Purchase | $0.01 | -- | -- | -- |
| Dec 31, 21 | HealthCor Management, L.P. | CTO | Purchase | $0.40 | -- | -- | -- |
| Dec 31, 21 | HealthCor Management, L.P. | CTO | Purchase | $0.03 | -- | -- | -- |
| Dec 31, 21 | HealthCor Management, L.P. | CTO | Purchase | $0.40 | -- | -- | -- |
| Dec 31, 21 | HealthCor Management, L.P. | CTO | Purchase | $0.03 | -- | -- | -- |
| Dec 31, 21 | HealthCor Management, L.P. | CTO | Purchase | $0.01 | -- | -- | -- |
| Dec 31, 21 | HealthCor Associates, LLC | CTO | Purchase | $0.01 | -- | -- | -- |
| Dec 31, 21 | HealthCor Associates, LLC | CTO | Purchase | $0.03 | -- | -- | -- |
| Dec 31, 21 | HealthCor Associates, LLC | CTO | Purchase | $0.03 | -- | -- | -- |
| Dec 31, 21 | HealthCor Associates, LLC | CTO | Purchase | $0.40 | -- | -- | -- |
| Dec 31, 21 | HealthCor Associates, LLC | CTO | Purchase | $0.01 | -- | -- | -- |
| Dec 31, 21 | HealthCor Associates, LLC | CTO | Purchase | $0.40 | -- | -- | -- |
| Sep 30, 21 | HealthCor Management, L.P. | CTO | Purchase | $0.40 | -- | -- | -- |
| Sep 30, 21 | HealthCor Management, L.P. | CTO | Purchase | $0.03 | -- | -- | -- |
| Sep 30, 21 | HealthCor Management, L.P. | CTO | Purchase | $0.01 | -- | -- | -- |
| Sep 30, 21 | HealthCor Management, L.P. | CTO | Purchase | $0.01 | -- | -- | -- |
| Sep 30, 21 | HealthCor Management, L.P. | CTO | Purchase | $0.40 | -- | -- | -- |
| Sep 30, 21 | HealthCor Management, L.P. | CTO | Purchase | $0.03 | -- | -- | -- |
| Sep 30, 21 | HealthCor Associates, LLC | CTO | Purchase | $0.01 | -- | -- | -- |
| Sep 30, 21 | HealthCor Associates, LLC | CTO | Purchase | $0.03 | -- | -- | -- |
| Sep 30, 21 | HealthCor Associates, LLC | CTO | Purchase | $0.40 | -- | -- | -- |
| Sep 30, 21 | HealthCor Associates, LLC | CTO | Purchase | $0.03 | -- | -- | -- |
| Sep 30, 21 | HealthCor Associates, LLC | CTO | Purchase | $0.01 | -- | -- | -- |
| Sep 30, 21 | HealthCor Associates, LLC | CTO | Purchase | $0.40 | -- | -- | -- |
| Jun 30, 21 | HealthCor Management, L.P. | CTO | Purchase | $0.03 | -- | -- | -- |
| Jun 30, 21 | HealthCor Management, L.P. | CTO | Purchase | $0.01 | -- | -- | -- |
| Jun 30, 21 | HealthCor Management, L.P. | CTO | Purchase | $0.40 | -- | -- | -- |
| Jun 30, 21 | HealthCor Management, L.P. | CTO | Purchase | $0.01 | -- | -- | -- |
| Jun 30, 21 | HealthCor Management, L.P. | CTO | Purchase | $0.40 | -- | -- | -- |
| Jun 30, 21 | HealthCor Management, L.P. | CTO | Purchase | $0.03 | -- | -- | -- |
| Apr 20, 21 | HealthCor Management, L.P. | CTO | Purchase | $0.23 | 1.07M | $245.73K | 1.07M |
| Apr 20, 21 | HealthCor Management, L.P. | CTO | Purchase | $0.23 | 931.60K | $214.27K | 931.60K |
| Apr 20, 21 | HealthCor Management, L.P. | CTO | Purchase | $0.23 | 1.07M | $245.73K | 1.07M |
| Apr 20, 21 | HealthCor Management, L.P. | CTO | Purchase | $0.23 | 931.60K | $214.27K | 931.60K |
| Mar 31, 21 | HealthCor Management, L.P. | CTO | Purchase | $0.40 | -- | -- | -- |
| Mar 31, 21 | HealthCor Management, L.P. | CTO | Purchase | $0.03 | -- | -- | -- |
| Mar 31, 21 | HealthCor Management, L.P. | CTO | Purchase | $0.01 | -- | -- | -- |
| Mar 31, 21 | HealthCor Management, L.P. | CTO | Purchase | $0.40 | -- | -- | -- |
| Mar 31, 21 | HealthCor Management, L.P. | CTO | Purchase | $0.03 | -- | -- | -- |
| Mar 31, 21 | HealthCor Management, L.P. | CTO | Purchase | $0.01 | -- | -- | -- |
| Dec 31, 20 | HealthCor Management, L.P. | CTO | Purchase | $0.01 | -- | -- | -- |
| Dec 31, 20 | HealthCor Management, L.P. | CTO | Purchase | $0.40 | -- | -- | -- |
| Dec 31, 20 | HealthCor Management, L.P. | CTO | Purchase | $0.03 | -- | -- | -- |
| Sep 30, 20 | HealthCor Management, L.P. | CTO | Purchase | $0.01 | -- | -- | -- |
| Sep 30, 20 | HealthCor Management, L.P. | CTO | Purchase | $0.03 | -- | -- | -- |
| Sep 30, 20 | HealthCor Management, L.P. | CTO | Purchase | $0.40 | -- | -- | -- |
| Sep 30, 20 | HealthCor Management, L.P. | CTO | Purchase | $0.40 | -- | -- | -- |
| Sep 30, 20 | HealthCor Management, L.P. | CTO | Purchase | $0.03 | -- | -- | -- |
| Sep 30, 20 | HealthCor Management, L.P. | CTO | Purchase | $0.01 | -- | -- | -- |
| Aug 20, 20 | EPSTEIN STEVEN B | CTO | Sale | -- | 1.78M | -- | 1.78M |
| Aug 10, 20 | EPSTEIN STEVEN B | CTO | Purchase | $0.04 | 1.20M | $42.00K | 1.20M |
| Aug 10, 20 | Thompson Jason T | CTO | Purchase | $0.04 | 1.20M | $42.00K | 1.20M |
| Aug 10, 20 | WHITE DAVID RICHARD | CTO | Purchase | $0.04 | 1.20M | $42.00K | 1.20M |
| Aug 10, 20 | Wheeler L. Allen | CTO | Purchase | $0.04 | 1.20M | $42.00K | 1.20M |
| Aug 10, 20 | McRee Sandra K | COO | Purchase | $0.04 | 7.40M | $259.00K | 7.40M |
| Aug 10, 20 | Johnson Steven G. | CEO | Purchase | $0.04 | 1.20M | $42.00K | 1.20M |
| Aug 10, 20 | HIGGINS JAMES R | CTO | Purchase | $0.04 | 1.20M | $42.00K | 1.20M |
| Jun 30, 20 | HealthCor Management, L.P. | CTO | Purchase | $0.40 | -- | -- | -- |
| Jun 30, 20 | HealthCor Management, L.P. | CTO | Purchase | $0.03 | -- | -- | -- |
| Jun 30, 20 | HealthCor Management, L.P. | CTO | Purchase | $0.01 | -- | -- | -- |
| Mar 31, 20 | HealthCor Management, L.P. | CTO | Purchase | $0.01 | -- | -- | -- |