Open-mkt buys · 90d
—
0 trades · 0 insiders
Open-mkt sales · 90d
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0 trades · 0 insiders
Net · 90d
$0
Insiders on file
10
Daily buy vs sell · 90 days
No data yet.
Insiders
| Insider | Role | Trades | Bought | Sold | Last trade |
|---|---|---|---|---|---|
| KLEMP WALTER V | Chief Executive Officer | 104 | $581.1K | $170.0K | 2026-10-15 |
| Foster Jonathan P. | Exec. Vice President and CFO | 65 | $128.6K | $0 | 2026-10-15 |
| PICKER DONALD H | Chief Science Officer | 43 | $0 | $0 | 2026-10-15 |
| Yan Joy | Director | 6 | $0 | $0 | 2025-11-12 |
| George Robert E. | Director | 14 | $10.9K | $0 | 2025-11-12 |
| Climaco John M | Director | 11 | $0 | $0 | 2025-11-12 |
| Cermak Elizabeth | Director | 7 | $0 | $0 | 2025-11-12 |
| CANNON MICHAEL D | Director | 12 | $0 | $0 | 2025-11-12 |
| Priebe Waldemar | 10% Owner | 2 | $0 | $170.0K | 2020-08-20 |
| Northcut Jacqueline | Director | 2 | $820 | $0 | 2017-05-05 |
Trade history
| Insider | Role | Code | Trade | Filed | Shares | Price | Value | Owned after | |
|---|---|---|---|---|---|---|---|---|---|
| PICKER DONALD H | Chief Science Officer | A Award deriv | 2026-10-15 | 2026-10-16 | 250,000 | — | — | 789,595 | SEC↗ |
| KLEMP WALTER V | CEO and President, Director | M Exercise deriv | 2026-10-15 | 2026-10-16 | 207,500 | — | $0 | 2,548,335 | SEC↗ |
| KLEMP WALTER V | CEO and President, Director | A Award deriv | 2026-10-15 | 2026-10-16 | 415,000 | — | — | 2,756,335 | SEC↗ |
| KLEMP WALTER V | CEO and President, Director | A Award deriv | 2026-10-15 | 2026-10-16 | 415,000 | — | — | 2,341,335 | SEC↗ |
| KLEMP WALTER V | CEO and President, Director | F Tax w/h | 2026-10-15 | 2026-10-16 | 48,659 | $0.37 | $18.0K | 723,181 | SEC↗ |
| KLEMP WALTER V | CEO and President, Director | M Exercise | 2026-10-15 | 2026-10-16 | 207,500 | — | — | 771,840 | SEC↗ |
| Foster Jonathan P. | Chief Financial Officer | M Exercise deriv | 2026-10-15 | 2026-10-16 | 130,000 | — | $0 | 1,417,717 | SEC↗ |
| Foster Jonathan P. | Chief Financial Officer | A Award deriv | 2026-10-15 | 2026-10-16 | 260,000 | — | — | 1,547,717 | SEC↗ |
| Foster Jonathan P. | Chief Financial Officer | A Award deriv | 2026-10-15 | 2026-10-16 | 260,000 | — | — | 1,287,717 | SEC↗ |
| Foster Jonathan P. | Chief Financial Officer | F Tax w/h | 2026-10-15 | 2026-10-16 | 30,485 | $0.37 | $11.3K | 405,188 | SEC↗ |
| Foster Jonathan P. | Chief Financial Officer | M Exercise | 2026-10-15 | 2026-10-16 | 130,000 | — | — | 435,673 | SEC↗ |
| PICKER DONALD H | Chief Science Officer | P Buy deriv | 2026-08-03 | 2026-08-05 | 519,999 | — | $0 | 539,595 | SEC↗ |
| KLEMP WALTER V | CEO and President | A Award deriv | 2026-08-03 | 2026-08-05 | 1,599,999 | — | $0 | 1,926,335 | SEC↗ |
| Foster Jonathan P. | Chief Financial Officer | P Buy deriv | 2026-08-03 | 2026-08-05 | 879,999 | — | $0 | 1,027,717 | SEC↗ |
| PICKER DONALD H | Chief Science Officer | P Buy | 2026-08-03 | 2026-08-05 | 173,333 | — | $0 | 174,086 | SEC↗ |
| KLEMP WALTER V | CEO and President | P Buy | 2026-08-03 | 2026-08-05 | 533,333 | — | $0 | 564,340 | SEC↗ |
| Foster Jonathan P. | Chief Financial Officer | P Buy | 2026-08-03 | 2026-08-05 | 293,333 | — | $0 | 305,673 | SEC↗ |
| PICKER DONALD H | Chief Science Officer | P Buy deriv | 2026-08-03 | 2026-08-05 | 519,999 | — | — | 539,595 | SEC↗ |
| PICKER DONALD H | Chief Science Officer | P Buy | 2026-08-03 | 2026-08-05 | 173,333 | — | — | 174,086 | SEC↗ |
| KLEMP WALTER V | CEO and President, Director | A Award deriv | 2026-08-03 | 2026-08-05 | 1,599,999 | — | — | 1,926,335 | SEC↗ |
| KLEMP WALTER V | CEO and President, Director | P Buy | 2026-08-03 | 2026-08-05 | 533,333 | — | — | 564,340 | SEC↗ |
| Foster Jonathan P. | Chief Financial Officer | P Buy deriv | 2026-08-03 | 2026-08-05 | 879,999 | — | — | 1,027,717 | SEC↗ |
| Foster Jonathan P. | Chief Financial Officer | P Buy | 2026-08-03 | 2026-08-05 | 293,333 | — | — | 305,673 | SEC↗ |
| Foster Jonathan P. | Chief Financial Officer | M Exercise deriv | 2026-06-22 | 2026-06-24 | 174 | — | $0 | 147,718 | SEC↗ |
| KLEMP WALTER V | CEO and President | M Exercise deriv | 2026-06-22 | 2026-06-24 | 360 | — | $0 | 326,336 | SEC↗ |
| PICKER DONALD H | Chief Science Officer | M Exercise deriv | 2026-06-22 | 2026-06-24 | 71 | — | $0 | 19,596 | SEC↗ |
| Foster Jonathan P. | Chief Financial Officer | F Tax w/h | 2026-06-22 | 2026-06-24 | 41 | $3.12 | $128 | 12,340 | SEC↗ |
| Foster Jonathan P. | Chief Financial Officer | M Exercise | 2026-06-22 | 2026-06-24 | 174 | — | $0 | 12,381 | SEC↗ |
| KLEMP WALTER V | CEO and President | F Tax w/h | 2026-06-22 | 2026-06-24 | 88 | $3.12 | $275 | 31,007 | SEC↗ |
| KLEMP WALTER V | CEO and President | M Exercise | 2026-06-22 | 2026-06-24 | 360 | — | $0 | 31,088 | SEC↗ |
| PICKER DONALD H | Chief Science Officer | M Exercise | 2026-06-22 | 2026-06-24 | 71 | — | $0 | 774 | SEC↗ |
| PICKER DONALD H | Chief Science Officer | F Tax w/h | 2026-06-22 | 2026-06-24 | 21 | $3.12 | $66 | 753 | SEC↗ |
| Foster Jonathan P. | Chief Financial Officer | M Exercise deriv | 2026-06-20 | 2026-06-24 | 109 | — | $0 | 147,892 | SEC↗ |
| KLEMP WALTER V | CEO and President | M Exercise deriv | 2026-06-20 | 2026-06-24 | 150 | — | $0 | 326,696 | SEC↗ |
| PICKER DONALD H | Chief Science Officer | M Exercise deriv | 2026-06-20 | 2026-06-24 | 44 | — | $0 | 19,667 | SEC↗ |
| Foster Jonathan P. | Chief Financial Officer | F Tax w/h | 2026-06-20 | 2026-06-24 | 31 | $2.88 | $89 | 12,207 | SEC↗ |
| Foster Jonathan P. | Chief Financial Officer | M Exercise | 2026-06-20 | 2026-06-24 | 109 | — | $0 | 12,238 | SEC↗ |
| KLEMP WALTER V | CEO and President | M Exercise | 2026-06-20 | 2026-06-24 | 150 | — | $0 | 30,765 | SEC↗ |
| KLEMP WALTER V | CEO and President | F Tax w/h | 2026-06-20 | 2026-06-24 | 37 | $2.88 | $107 | 30,728 | SEC↗ |
| PICKER DONALD H | Chief Science Officer | F Tax w/h | 2026-06-20 | 2026-06-24 | 13 | $2.88 | $37 | 703 | SEC↗ |
| PICKER DONALD H | Chief Science Officer | M Exercise | 2026-06-20 | 2026-06-24 | 44 | — | $0 | 716 | SEC↗ |
| George Robert E. | Director | A Award deriv | 2025-11-12 | 2025-11-14 | 150,000 | — | $0 | 165,336 | SEC↗ |
| Climaco John M | Director | A Award deriv | 2025-11-12 | 2025-11-14 | 150,000 | — | $0 | 165,169 | SEC↗ |
| CANNON MICHAEL D | Director | A Award deriv | 2025-11-12 | 2025-11-14 | 150,000 | — | $0 | 165,336 | SEC↗ |
| Cermak Elizabeth | Director | A Award deriv | 2025-11-12 | 2025-11-14 | 150,000 | — | $0 | 164,668 | SEC↗ |
| Yan Joy | Director | A Award deriv | 2025-11-12 | 2025-11-14 | 150,000 | — | $0 | 164,001 | SEC↗ |
| KLEMP WALTER V | CEO and President | A Award deriv | 2025-11-12 | 2025-11-14 | 750,000 | — | $0 | 3,960,731 | SEC↗ |
| KLEMP WALTER V | CEO and President | A Award deriv | 2025-11-12 | 2025-11-14 | 830,000 | — | $0 | 3,210,731 | SEC↗ |
| Foster Jonathan P. | EVP & CFO | A Award deriv | 2025-11-12 | 2025-11-14 | 400,000 | — | $0 | 2,017,695 | SEC↗ |
| Foster Jonathan P. | EVP & CFO | A Award deriv | 2025-11-12 | 2025-11-14 | 600,000 | — | $0 | 1,617,695 | SEC↗ |
| PICKER DONALD H | CSO | A Award deriv | 2025-11-12 | 2025-11-14 | 200,000 | — | $0 | 495,508 | SEC↗ |
| PICKER DONALD H | CSO | A Award deriv | 2025-11-12 | 2025-11-14 | 200,000 | — | $0 | 295,508 | SEC↗ |
| Foster Jonathan P. | Chief Financial Officer | M Exercise deriv | 2025-11-04 | 2025-11-06 | 20,625 | — | $0 | 1,017,695 | SEC↗ |
| KLEMP WALTER V | CEO and President | M Exercise deriv | 2025-11-04 | 2025-11-06 | 28,750 | — | $0 | 2,380,731 | SEC↗ |
| PICKER DONALD H | Chief Science Officer | M Exercise deriv | 2025-11-04 | 2025-11-06 | 8,750 | — | $0 | 95,508 | SEC↗ |
| Foster Jonathan P. | Chief Financial Officer | M Exercise | 2025-11-04 | 2025-11-06 | 5,023 | $0.50 | $2.5K | 303,189 | SEC↗ |
| Foster Jonathan P. | Chief Financial Officer | M Exercise | 2025-11-04 | 2025-11-06 | 20,625 | — | $0 | 308,212 | SEC↗ |
| KLEMP WALTER V | CEO and President | F Tax w/h | 2025-11-04 | 2025-11-06 | 7,001 | $0.50 | $3.5K | 765,356 | SEC↗ |
| KLEMP WALTER V | CEO and President | M Exercise | 2025-11-04 | 2025-11-06 | 28,750 | — | $0 | 772,357 | SEC↗ |
| PICKER DONALD H | Chief Science Officer | M Exercise | 2025-11-04 | 2025-11-06 | 8,750 | — | $0 | 18,902 | SEC↗ |
| PICKER DONALD H | Chief Science Officer | F Tax w/h | 2025-11-04 | 2025-11-06 | 2,131 | $0.50 | $1.1K | 16,771 | SEC↗ |
| KLEMP WALTER V | CEO and President | P Buy deriv | 2025-06-23 | 2025-06-23 | 2,027,025 | — | $0 | 2,409,481 | SEC↗ |
| Foster Jonathan P. | Chief Financial Officer | P Buy deriv | 2025-06-23 | 2025-06-23 | 810,810 | — | $0 | 1,038,320 | SEC↗ |
| KLEMP WALTER V | CEO and President | P Buy | 2025-06-23 | 2025-06-23 | 675,675 | $0.37 | $250.0K | 743,607 | SEC↗ |
| Foster Jonathan P. | Chief Financial Officer | P Buy | 2025-06-23 | 2025-06-23 | 270,270 | $0.37 | $100.0K | 287,587 | SEC↗ |
| PICKER DONALD H | Chief Science Officer | M Exercise deriv | 2025-06-22 | 2025-06-23 | 1,766 | — | $0 | 104,258 | SEC↗ |
| KLEMP WALTER V | CEO and President | M Exercise deriv | 2025-06-22 | 2025-06-23 | 8,990 | — | $0 | 382,456 | SEC↗ |
| Foster Jonathan P. | Chief Financial Officer | M Exercise deriv | 2025-06-22 | 2025-06-23 | 4,328 | — | $0 | 227,510 | SEC↗ |
| PICKER DONALD H | Chief Science Officer | M Exercise | 2025-06-22 | 2025-06-23 | 1,766 | — | $0 | 10,582 | SEC↗ |
| PICKER DONALD H | Chief Science Officer | F Tax w/h | 2025-06-22 | 2025-06-23 | 430 | $0.27 | $116 | 10,152 | SEC↗ |
| KLEMP WALTER V | CEO and President | M Exercise | 2025-06-22 | 2025-06-23 | 8,990 | — | $0 | 70,122 | SEC↗ |
| KLEMP WALTER V | CEO and President | F Tax w/h | 2025-06-22 | 2025-06-23 | 2,190 | $0.27 | $591 | 67,932 | SEC↗ |
| Foster Jonathan P. | Chief Financial Officer | M Exercise | 2025-06-22 | 2025-06-23 | 4,328 | — | $0 | 18,371 | SEC↗ |
| Foster Jonathan P. | Chief Financial Officer | F Tax w/h | 2025-06-22 | 2025-06-23 | 1,054 | $0.27 | $285 | 17,317 | SEC↗ |
| PICKER DONALD H | Chief Science Officer | M Exercise deriv | 2025-06-20 | 2025-06-23 | 1,078 | — | $0 | 106,024 | SEC↗ |
| KLEMP WALTER V | CEO and President | M Exercise deriv | 2025-06-20 | 2025-06-23 | 3,750 | — | $0 | 391,446 | SEC↗ |
| Foster Jonathan P. | Chief Financial Officer | M Exercise deriv | 2025-06-20 | 2025-06-23 | 2,711 | — | $0 | 231,838 | SEC↗ |
| PICKER DONALD H | Chief Science Officer | F Tax w/h | 2025-06-20 | 2025-06-23 | 263 | $0.27 | $71 | 8,816 | SEC↗ |
| PICKER DONALD H | Chief Science Officer | M Exercise | 2025-06-20 | 2025-06-23 | 1,078 | — | $0 | 9,079 | SEC↗ |
| KLEMP WALTER V | CEO and President | F Tax w/h | 2025-06-20 | 2025-06-23 | 914 | $0.27 | $247 | 61,132 | SEC↗ |
| KLEMP WALTER V | CEO and President | M Exercise | 2025-06-20 | 2025-06-23 | 3,750 | — | $0 | 62,046 | SEC↗ |
| Foster Jonathan P. | Chief Financial Officer | F Tax w/h | 2025-06-20 | 2025-06-23 | 661 | $0.27 | $178 | 14,043 | SEC↗ |
| Foster Jonathan P. | Chief Financial Officer | M Exercise | 2025-06-20 | 2025-06-23 | 2,711 | — | $0 | 14,704 | SEC↗ |
| KLEMP WALTER V | CEO and President | M Exercise deriv | 2025-06-16 | 2025-06-18 | 1,667 | — | $0 | 370,075 | SEC↗ |
| Foster Jonathan P. | Chief Financial Officer | M Exercise deriv | 2025-06-16 | 2025-06-18 | 833 | — | $0 | 230,684 | SEC↗ |
| KLEMP WALTER V | CEO and President | F Tax w/h | 2025-06-16 | 2025-06-18 | 406 | $0.69 | $280 | 58,296 | SEC↗ |
| KLEMP WALTER V | CEO and President | M Exercise | 2025-06-16 | 2025-06-18 | 1,667 | — | $0 | 58,702 | SEC↗ |
| Foster Jonathan P. | Chief Financial Officer | M Exercise | 2025-06-16 | 2025-06-18 | 833 | — | $0 | 12,196 | SEC↗ |
| Foster Jonathan P. | Chief Financial Officer | F Tax w/h | 2025-06-16 | 2025-06-18 | 203 | $0.69 | $140 | 11,993 | SEC↗ |
| KLEMP WALTER V | CEO and President | A Award deriv | 2024-11-04 | 2024-11-06 | 115,000 | — | $0 | 328,152 | SEC↗ |
| KLEMP WALTER V | CEO and President | A Award deriv | 2024-11-04 | 2024-11-06 | 100,000 | — | $0 | 213,152 | SEC↗ |
| Foster Jonathan P. | Chief Financial Officer | A Award deriv | 2024-11-04 | 2024-11-06 | 65,000 | — | $0 | 129,837 | SEC↗ |
| Foster Jonathan P. | Chief Financial Officer | A Award deriv | 2024-11-04 | 2024-11-06 | 82,500 | — | $0 | 212,337 | SEC↗ |
| PICKER DONALD H | Chief Science Officer | A Award deriv | 2024-11-04 | 2024-11-06 | 35,000 | — | $0 | 101,358 | SEC↗ |
| PICKER DONALD H | Chief Science Officer | A Award deriv | 2024-11-04 | 2024-11-06 | 40,000 | — | $0 | 66,358 | SEC↗ |
| CANNON MICHAEL D | Director | A Award deriv | 2024-11-04 | 2024-11-06 | 10,000 | — | $0 | 15,336 | SEC↗ |
| George Robert E. | Director | A Award deriv | 2024-11-04 | 2024-11-06 | 10,000 | — | $0 | 15,336 | SEC↗ |
| Climaco John M | Director | A Award deriv | 2024-11-04 | 2024-11-06 | 10,000 | — | $0 | 15,169 | SEC↗ |
| Cermak Elizabeth | Director | A Award deriv | 2024-11-04 | 2024-11-06 | 10,000 | — | $0 | 14,668 | SEC↗ |
| Yan Joy | Director | A Award deriv | 2024-11-04 | 2024-11-06 | 10,000 | — | $0 | 14,001 | SEC↗ |
| KLEMP WALTER V | CEO and President | A Award deriv | 2024-10-25 | 2024-11-06 | 43,590 | — | $0 | 371,742 | SEC↗ |
| Foster Jonathan P. | Chief Financial Officer | A Award deriv | 2024-10-25 | 2024-11-06 | 19,180 | — | $0 | 231,517 | SEC↗ |
| PICKER DONALD H | Chief Science Officer | A Award deriv | 2024-10-25 | 2024-11-06 | 5,744 | — | $0 | 107,102 | SEC↗ |
| KLEMP WALTER V | CEO and President | M Exercise deriv | 2024-07-02 | 2024-07-05 | 982 | — | $0 | 113,152 | SEC↗ |
| KLEMP WALTER V | CEO and President | M Exercise | 2024-07-02 | 2024-07-05 | 982 | — | $0 | 57,275 | SEC↗ |
| KLEMP WALTER V | CEO and President | F Tax w/h | 2024-07-02 | 2024-07-05 | 240 | $3.57 | $857 | 57,035 | SEC↗ |
| KLEMP WALTER V | CEO and President | M Exercise deriv | 2024-06-22 | 2024-06-25 | 8,990 | — | $0 | 114,134 | SEC↗ |
| Foster Jonathan P. | Chief Financial Officer | M Exercise deriv | 2024-06-22 | 2024-06-25 | 4,329 | — | $0 | 64,837 | SEC↗ |
| PICKER DONALD H | Chief Science Officer | M Exercise deriv | 2024-06-22 | 2024-06-25 | 1,766 | — | $0 | 26,358 | SEC↗ |
| KLEMP WALTER V | CEO and President | M Exercise | 2024-06-22 | 2024-06-25 | 8,990 | — | $0 | 58,483 | SEC↗ |
| KLEMP WALTER V | CEO and President | F Tax w/h | 2024-06-22 | 2024-06-25 | 2,190 | $3.74 | $8.2K | 56,293 | SEC↗ |
| Foster Jonathan P. | Chief Financial Officer | M Exercise | 2024-06-22 | 2024-06-25 | 4,329 | — | $0 | 12,416 | SEC↗ |
| Foster Jonathan P. | Chief Financial Officer | F Tax w/h | 2024-06-22 | 2024-06-25 | 1,053 | $3.74 | $3.9K | 11,363 | SEC↗ |
| PICKER DONALD H | Chief Science Officer | F Tax w/h | 2024-06-22 | 2024-06-25 | 524 | $3.74 | $2.0K | 8,001 | SEC↗ |
| PICKER DONALD H | Chief Science Officer | M Exercise | 2024-06-22 | 2024-06-25 | 1,766 | — | $0 | 8,525 | SEC↗ |
| KLEMP WALTER V | CEO and President | M Exercise deriv | 2024-06-20 | 2024-06-21 | 3,750 | — | $0 | 123,124 | SEC↗ |
| Foster Jonathan P. | Chief Financial Officer | M Exercise deriv | 2024-06-20 | 2024-06-21 | 2,712 | — | $0 | 69,166 | SEC↗ |
| PICKER DONALD H | Chief Science Officer | M Exercise deriv | 2024-06-20 | 2024-06-21 | 1,078 | — | $0 | 28,124 | SEC↗ |
| KLEMP WALTER V | CEO and President | F Tax w/h | 2024-06-20 | 2024-06-21 | 914 | $3.78 | $3.5K | 49,493 | SEC↗ |
| KLEMP WALTER V | CEO and President | M Exercise | 2024-06-20 | 2024-06-21 | 3,750 | — | $0 | 50,407 | SEC↗ |
| Foster Jonathan P. | Chief Financial Officer | F Tax w/h | 2024-06-20 | 2024-06-21 | 636 | $3.78 | $2.4K | 8,087 | SEC↗ |
| Foster Jonathan P. | Chief Financial Officer | M Exercise | 2024-06-20 | 2024-06-21 | 2,712 | — | $0 | 8,723 | SEC↗ |
| PICKER DONALD H | Chief Science Officer | F Tax w/h | 2024-06-20 | 2024-06-21 | 320 | $3.78 | $1.2K | 6,759 | SEC↗ |
| PICKER DONALD H | Chief Science Officer | M Exercise | 2024-06-20 | 2024-06-21 | 1,078 | — | $0 | 7,079 | SEC↗ |
| KLEMP WALTER V | CEO and President | M Exercise deriv | 2024-06-16 | 2024-06-18 | 1,667 | — | $0 | 126,874 | SEC↗ |
| Foster Jonathan P. | Chief Financial Officer | M Exercise deriv | 2024-06-16 | 2024-06-18 | 834 | — | $0 | 71,878 | SEC↗ |
| KLEMP WALTER V | CEO and President | F Tax w/h | 2024-06-16 | 2024-06-18 | 406 | $4.14 | $1.7K | 46,657 | SEC↗ |
| KLEMP WALTER V | CEO and President | M Exercise | 2024-06-16 | 2024-06-18 | 1,667 | — | $0 | 47,063 | SEC↗ |
| Foster Jonathan P. | Chief Financial Officer | F Tax w/h | 2024-06-16 | 2024-06-18 | 196 | $4.14 | $811 | 6,011 | SEC↗ |
| Foster Jonathan P. | Chief Financial Officer | M Exercise | 2024-06-16 | 2024-06-18 | 834 | — | $0 | 6,207 | SEC↗ |
| KLEMP WALTER V | CEO and President | P Buy | 2023-12-26 | 2023-12-27 | 188,404 | $0.69 | $130.0K | 680,880 | SEC↗ |
| George Robert E. | Director | P Buy | 2023-12-26 | 2023-12-27 | 14,493 | $0.69 | $10.0K | 14,660 | SEC↗ |
| Foster Jonathan P. | Chief Financial Officer | P Buy | 2023-12-26 | 2023-12-27 | 28,986 | $0.69 | $20.0K | 80,556 | SEC↗ |
| KLEMP WALTER V | CEO and President | M Exercise deriv | 2023-07-11 | 2023-07-13 | 13,204 | — | $0 | 1,928,145 | SEC↗ |
| KLEMP WALTER V | CEO and President | M Exercise | 2023-07-11 | 2023-07-13 | 13,204 | — | $0 | 495,692 | SEC↗ |
| KLEMP WALTER V | CEO and President | F Tax w/h | 2023-07-11 | 2023-07-13 | 3,216 | $0.59 | $1.9K | 492,476 | SEC↗ |
| KLEMP WALTER V | CEO and President | M Exercise deriv | 2023-07-02 | 2023-07-05 | 14,717 | — | $0 | 1,941,349 | SEC↗ |
| KLEMP WALTER V | CEO and President | F Tax w/h | 2023-07-02 | 2023-07-05 | 3,584 | $0.58 | $2.1K | 482,488 | SEC↗ |
| KLEMP WALTER V | CEO and President | M Exercise | 2023-07-02 | 2023-07-05 | 14,717 | — | $0 | 486,072 | SEC↗ |
| PICKER DONALD H | Chief Science Officer | A Award deriv | 2023-06-22 | 2023-06-26 | 100,000 | — | $0 | 332,010 | SEC↗ |
| PICKER DONALD H | Chief Science Officer | A Award deriv | 2023-06-22 | 2023-06-26 | 105,938 | — | $0 | 437,948 | SEC↗ |
| KLEMP WALTER V | CEO and President | A Award deriv | 2023-06-22 | 2023-06-26 | 539,375 | — | $0 | 1,956,066 | SEC↗ |
| KLEMP WALTER V | CEO and President | A Award deriv | 2023-06-22 | 2023-06-26 | 400,000 | — | $0 | 1,416,691 | SEC↗ |
| Foster Jonathan P. | Chief Financial Officer | A Award deriv | 2023-06-22 | 2023-06-26 | 150,000 | — | $0 | 830,938 | SEC↗ |
| Foster Jonathan P. | Chief Financial Officer | A Award deriv | 2023-06-22 | 2023-06-26 | 259,688 | — | $0 | 1,090,626 | SEC↗ |
| KLEMP WALTER V | CEO and President | M Exercise deriv | 2023-06-20 | 2023-06-22 | 56,250 | — | $0 | 1,016,691 | SEC↗ |
| Foster Jonathan P. | Chief Financial Officer | M Exercise deriv | 2023-06-20 | 2023-06-22 | 40,667 | — | $0 | 680,938 | SEC↗ |
| PICKER DONALD H | Chief Science Officer | M Exercise deriv | 2023-06-20 | 2023-06-22 | 16,167 | — | $0 | 232,010 | SEC↗ |
| KLEMP WALTER V | CEO and President | F Tax w/h | 2023-06-20 | 2023-06-22 | 13,697 | $0.57 | $7.8K | 471,355 | SEC↗ |
| KLEMP WALTER V | CEO and President | M Exercise | 2023-06-20 | 2023-06-22 | 56,250 | — | $0 | 485,052 | SEC↗ |
| Foster Jonathan P. | Chief Financial Officer | F Tax w/h | 2023-06-20 | 2023-06-22 | 9,676 | $0.57 | $5.5K | 51,570 | SEC↗ |
| Foster Jonathan P. | Chief Financial Officer | M Exercise | 2023-06-20 | 2023-06-22 | 40,667 | — | $0 | 61,246 | SEC↗ |
| PICKER DONALD H | Chief Science Officer | M Exercise | 2023-06-20 | 2023-06-22 | 16,167 | — | $0 | 94,273 | SEC↗ |
| PICKER DONALD H | Chief Science Officer | F Tax w/h | 2023-06-20 | 2023-06-22 | 4,267 | $0.57 | $2.4K | 90,006 | SEC↗ |
| KLEMP WALTER V | CEO and President | M Exercise deriv | 2023-06-16 | 2023-06-20 | 25,000 | — | $0 | 1,072,941 | SEC↗ |
| Foster Jonathan P. | Chief Financial Officer | M Exercise deriv | 2023-06-16 | 2023-06-20 | 12,500 | — | $0 | 721,605 | SEC↗ |
| KLEMP WALTER V | CEO and President | F Tax w/h | 2023-06-16 | 2023-06-20 | 6,088 | $0.57 | $3.5K | 428,802 | SEC↗ |
| KLEMP WALTER V | CEO and President | M Exercise | 2023-06-16 | 2023-06-20 | 25,000 | — | $0 | 434,890 | SEC↗ |
| Foster Jonathan P. | Chief Financial Officer | F Tax w/h | 2023-06-16 | 2023-06-20 | 3,044 | $0.57 | $1.7K | 20,579 | SEC↗ |
| Foster Jonathan P. | Chief Financial Officer | M Exercise | 2023-06-16 | 2023-06-20 | 12,500 | — | $0 | 23,623 | SEC↗ |
| George Robert E. | Director | A Award deriv | 2023-05-25 | 2023-05-26 | 15,000 | — | $0 | 80,001 | SEC↗ |
| CANNON MICHAEL D | Director | A Award deriv | 2023-05-25 | 2023-05-26 | 15,000 | — | $0 | 80,001 | SEC↗ |
| Climaco John M | Director | A Award deriv | 2023-05-25 | 2023-05-26 | 15,000 | — | $0 | 77,501 | SEC↗ |
| Cermak Elizabeth | Director | A Award deriv | 2023-05-25 | 2023-05-26 | 15,000 | — | $0 | 70,000 | SEC↗ |
| Yan Joy | Director | A Award deriv | 2023-05-25 | 2023-05-26 | 15,000 | — | $0 | 60,000 | SEC↗ |
| KLEMP WALTER V | CEO and President | P Buy | 2022-11-25 | 2022-11-28 | 45,000 | $1.28 | $57.6K | 409,890 | SEC↗ |
| KLEMP WALTER V | CEO and President | P Buy | 2022-11-21 | 2022-11-23 | 22,500 | $1.15 | $25.9K | 364,890 | SEC↗ |
| KLEMP WALTER V | CEO and President | P Buy | 2022-11-17 | 2022-11-18 | 24,742 | $1.02 | $25.2K | 342,390 | SEC↗ |
| KLEMP WALTER V | CEO and President | P Buy | 2022-11-16 | 2022-11-18 | 85,213 | $0.97 | $82.7K | 317,648 | SEC↗ |
| KLEMP WALTER V | CEO and President | M Exercise deriv | 2022-07-11 | 2022-07-13 | 13,205 | — | $0 | 1,369,941 | SEC↗ |
| KLEMP WALTER V | CEO and President | M Exercise deriv | 2022-07-11 | 2022-07-15 | 13,205 | — | $0 | 1,097,941 | SEC↗ |
| KLEMP WALTER V | CEO and President | F Tax w/h | 2022-07-11 | 2022-07-13 | 3,215 | $1.68 | $5.4K | 232,435 | SEC↗ |
| KLEMP WALTER V | CEO and President | M Exercise | 2022-07-11 | 2022-07-13 | 13,204 | — | $0 | 235,650 | SEC↗ |
| KLEMP WALTER V | CEO and President | M Exercise | 2022-07-11 | 2022-07-15 | 13,204 | — | $0 | 235,650 | SEC↗ |
| KLEMP WALTER V | CEO and President | F Tax w/h | 2022-07-11 | 2022-07-15 | 3,215 | $1.68 | $5.4K | 232,435 | SEC↗ |
| KLEMP WALTER V | CEO and President | M Exercise deriv | 2022-07-02 | 2022-07-06 | 14,717 | — | $0 | 1,383,145 | SEC↗ |
| KLEMP WALTER V | CEO and President | M Exercise deriv | 2022-07-02 | 2022-07-15 | 14,717 | — | $0 | 1,111,145 | SEC↗ |
| KLEMP WALTER V | CEO and President | M Exercise | 2022-07-02 | 2022-07-06 | 14,717 | — | $0 | 226,030 | SEC↗ |
| KLEMP WALTER V | CEO and President | F Tax w/h | 2022-07-02 | 2022-07-06 | 3,584 | $1.47 | $5.3K | 222,446 | SEC↗ |
| KLEMP WALTER V | CEO and President | M Exercise | 2022-07-02 | 2022-07-15 | 14,717 | — | $0 | 226,030 | SEC↗ |
| KLEMP WALTER V | CEO and President | F Tax w/h | 2022-07-02 | 2022-07-15 | 3,584 | $1.47 | $5.3K | 222,446 | SEC↗ |
| KLEMP WALTER V | CEO and President | A Award deriv | 2022-06-20 | 2022-07-15 | 225,000 | — | $0 | 1,125,862 | SEC↗ |
| KLEMP WALTER V | CEO and President | A Award deriv | 2022-06-20 | 2022-07-15 | 225,000 | — | $0 | 900,862 | SEC↗ |
| Yan Joy | Director | A Award deriv | 2022-06-20 | 2022-06-22 | 15,000 | — | $0 | 45,000 | SEC↗ |
| Yan Joy | Director | A Award deriv | 2022-06-20 | 2022-06-22 | 23,333 | — | $0 | 30,000 | SEC↗ |
| Cermak Elizabeth | Director | A Award deriv | 2022-06-20 | 2022-06-22 | 23,333 | — | $0 | 40,000 | SEC↗ |
| Cermak Elizabeth | Director | A Award deriv | 2022-06-20 | 2022-06-22 | 15,000 | — | $0 | 55,000 | SEC↗ |
| CANNON MICHAEL D | Director | A Award deriv | 2022-06-20 | 2022-06-22 | 15,000 | — | $0 | 65,001 | SEC↗ |
| CANNON MICHAEL D | Director | A Award deriv | 2022-06-20 | 2022-06-22 | 23,333 | — | $0 | 50,001 | SEC↗ |
| George Robert E. | Director | A Award deriv | 2022-06-20 | 2022-06-22 | 23,333 | — | $0 | 50,001 | SEC↗ |
| George Robert E. | Director | A Award deriv | 2022-06-20 | 2022-06-22 | 15,000 | — | $0 | 65,001 | SEC↗ |
| Climaco John M | Director | A Award deriv | 2022-06-20 | 2022-06-22 | 15,000 | — | $0 | 62,501 | SEC↗ |
| Climaco John M | Director | A Award deriv | 2022-06-20 | 2022-06-22 | 23,333 | — | $0 | 47,501 | SEC↗ |
| KLEMP WALTER V | CEO and President | A Award deriv | 2022-06-20 | 2022-06-22 | 362,000 | — | $0 | 1,397,862 | SEC↗ |
| KLEMP WALTER V | CEO and President | A Award deriv | 2022-06-20 | 2022-06-22 | 360,000 | — | $0 | 1,035,862 | SEC↗ |
| Foster Jonathan P. | Chief Financial Officer | A Award deriv | 2022-06-20 | 2022-06-22 | 155,000 | — | $0 | 571,438 | SEC↗ |
| Foster Jonathan P. | Chief Financial Officer | A Award deriv | 2022-06-20 | 2022-06-22 | 162,667 | — | $0 | 734,105 | SEC↗ |
| PICKER DONALD H | Chief Science Officer | A Award deriv | 2022-06-20 | 2022-06-22 | 64,667 | — | $0 | 248,177 | SEC↗ |
| PICKER DONALD H | Chief Science Officer | A Award deriv | 2022-06-20 | 2022-06-22 | 65,000 | — | $0 | 183,510 | SEC↗ |
| Foster Jonathan P. | Chief Financial Officer | M Exercise deriv | 2022-06-16 | 2022-06-21 | 12,500 | — | $0 | 416,438 | SEC↗ |
| KLEMP WALTER V | CEO and President | M Exercise deriv | 2022-06-16 | 2022-06-21 | 25,000 | — | $0 | 675,862 | SEC↗ |
| Foster Jonathan P. | Chief Financial Officer | M Exercise | 2022-06-16 | 2022-06-21 | 12,500 | — | $0 | 14,167 | SEC↗ |
| Foster Jonathan P. | Chief Financial Officer | F Tax w/h | 2022-06-16 | 2022-06-21 | 3,044 | $1.33 | $4.0K | 11,123 | SEC↗ |
| KLEMP WALTER V | CEO and President | M Exercise | 2022-06-16 | 2022-06-21 | 25,000 | — | $0 | 217,401 | SEC↗ |
| KLEMP WALTER V | CEO and President | F Tax w/h | 2022-06-16 | 2022-06-21 | 6,088 | $1.33 | $8.1K | 211,313 | SEC↗ |
| Yan Joy | Director | A Award deriv | 2022-03-01 | 2022-03-02 | 6,667 | — | $0 | 6,667 | SEC↗ |
| KLEMP WALTER V | CEO and President | M Exercise deriv | 2021-07-11 | 2021-07-12 | 13,205 | — | $0 | 700,862 | SEC↗ |
| KLEMP WALTER V | CEO and President | F Tax w/h | 2021-07-11 | 2021-07-12 | 3,215 | $3.56 | $11.4K | 192,401 | SEC↗ |
| KLEMP WALTER V | CEO and President | M Exercise | 2021-07-11 | 2021-07-12 | 13,205 | — | $0 | 195,616 | SEC↗ |
| KLEMP WALTER V | CEO and President | M Exercise deriv | 2021-07-02 | 2021-07-06 | 14,718 | — | $0 | 717,651 | SEC↗ |
| KLEMP WALTER V | CEO and President | F Tax w/h | 2021-07-02 | 2021-07-06 | 3,584 | $3.56 | $12.8K | 182,411 | SEC↗ |
| KLEMP WALTER V | CEO and President | M Exercise | 2021-07-02 | 2021-07-06 | 14,718 | — | $0 | 185,995 | SEC↗ |
| PICKER DONALD H | Chief Science Officer | A Award deriv | 2021-06-16 | 2021-06-21 | 62,676 | — | $0 | 118,510 | SEC↗ |
| KLEMP WALTER V | CEO and President | A Award deriv | 2021-06-16 | 2021-06-21 | 100,000 | — | $0 | 728,785 | SEC↗ |
| KLEMP WALTER V | CEO and President | A Award deriv | 2021-06-16 | 2021-06-21 | 223,635 | — | $0 | 628,785 | SEC↗ |
| Foster Jonathan P. | Exec. Vice President and CFO | A Award deriv | 2021-06-16 | 2021-06-21 | 50,000 | — | $0 | 428,938 | SEC↗ |
| Foster Jonathan P. | Exec. Vice President and CFO | A Award deriv | 2021-06-16 | 2021-06-21 | 108,770 | — | $0 | 378,938 | SEC↗ |
| George Robert E. | Director | A Award deriv | 2021-06-07 | 2021-06-09 | 10,000 | — | $0 | 26,668 | SEC↗ |
| Climaco John M | Director | A Award deriv | 2021-06-07 | 2021-06-09 | 10,000 | — | $0 | 24,168 | SEC↗ |
| Cermak Elizabeth | Director | A Award deriv | 2021-06-07 | 2021-06-09 | 10,000 | — | $0 | 16,667 | SEC↗ |
| CANNON MICHAEL D | Director | A Award deriv | 2021-06-07 | 2021-06-09 | 10,000 | — | $0 | 26,668 | SEC↗ |
| Cermak Elizabeth | Director | A Award deriv | 2020-10-02 | 2020-10-05 | 40,000 | — | $0 | 40,000 | SEC↗ |
| Priebe Waldemar | 10% Owner | A Award deriv | 2020-08-20 | 2020-08-24 | 100,000 | — | $0 | 100,000 | SEC↗ |
| KLEMP WALTER V | CEO and President | M Exercise deriv | 2020-07-13 | 2020-07-14 | 79,227 | — | $0 | 2,430,891 | SEC↗ |
| KLEMP WALTER V | CEO and President | F Tax w/h | 2020-07-13 | 2020-07-14 | 19,292 | $0.86 | $16.6K | 1,027,659 | SEC↗ |
| KLEMP WALTER V | CEO and President | M Exercise | 2020-07-13 | 2020-07-14 | 79,227 | — | $0 | 1,046,951 | SEC↗ |
| PICKER DONALD H | Chief Science Officer | A Award deriv | 2020-07-02 | 2020-07-07 | 100,000 | — | $0 | 335,000 | SEC↗ |
| Foster Jonathan P. | Exec. Vice President and CFO | A Award deriv | 2020-07-02 | 2020-07-07 | 460,000 | — | $0 | 1,621,000 | SEC↗ |
| KLEMP WALTER V | CEO and President | A Award deriv | 2020-07-02 | 2020-07-07 | 500,000 | — | $0 | 2,156,907 | SEC↗ |
| KLEMP WALTER V | CEO and President | A Award deriv | 2020-07-02 | 2020-07-07 | 353,211 | — | $0 | 2,510,118 | SEC↗ |
| George Robert E. | Director | A Award deriv | 2020-06-15 | 2020-06-17 | 15,000 | — | $0 | 100,000 | SEC↗ |
| Climaco John M | Director | A Award deriv | 2020-06-15 | 2020-06-17 | 15,000 | — | $0 | 85,000 | SEC↗ |
| CANNON MICHAEL D | Director | A Award deriv | 2020-06-15 | 2020-06-17 | 15,000 | — | $0 | 100,000 | SEC↗ |
| Foster Jonathan P. | Exec. Vice President and CFO | A Award deriv | 2019-07-11 | 2019-07-15 | 315,000 | — | $0 | 1,161,000 | SEC↗ |
| PICKER DONALD H | Chief Science Officer | A Award deriv | 2019-07-11 | 2019-07-15 | 100,000 | — | $0 | 235,000 | SEC↗ |
| Climaco John M | Director | A Award deriv | 2019-07-11 | 2019-07-15 | 35,000 | — | $0 | 105,000 | SEC↗ |
| George Robert E. | Director | A Award deriv | 2019-07-11 | 2019-07-15 | 35,000 | — | $0 | 120,000 | SEC↗ |
| KLEMP WALTER V | CEO and President | A Award deriv | 2019-07-11 | 2019-07-15 | 500,000 | — | $0 | 1,340,000 | SEC↗ |
| KLEMP WALTER V | CEO and President | A Award deriv | 2019-07-11 | 2019-07-15 | 316,907 | — | $0 | 1,656,907 | SEC↗ |
| CANNON MICHAEL D | Director | A Award deriv | 2019-07-11 | 2019-07-15 | 35,000 | — | $0 | 120,000 | SEC↗ |
| George Robert E. | Director | A Award deriv | 2019-05-22 | 2019-05-24 | 15,000 | — | $0 | 85,000 | SEC↗ |
| CANNON MICHAEL D | Director | A Award deriv | 2019-05-22 | 2019-05-24 | 15,000 | — | $0 | 85,000 | SEC↗ |
| Climaco John M | Director | A Award deriv | 2019-05-22 | 2019-05-24 | 15,000 | — | $0 | 70,000 | SEC↗ |
| KLEMP WALTER V | CEO and President | A Award deriv | 2018-06-06 | 2019-07-15 | 500,000 | — | $0 | 840,000 | SEC↗ |
| KLEMP WALTER V | CEO and President | A Award deriv | 2018-06-06 | 2018-06-08 | 603,000 | — | $0 | 943,000 | SEC↗ |
| Foster Jonathan P. | Chief Financial Officer | A Award deriv | 2018-06-06 | 2018-06-08 | 301,000 | — | $0 | 846,000 | SEC↗ |
| George Robert E. | Director | A Award deriv | 2018-06-06 | 2018-06-08 | 35,000 | — | $0 | 70,000 | SEC↗ |
| PICKER DONALD H | Chief Science Officer | A Award deriv | 2018-06-06 | 2018-06-08 | 75,000 | — | $0 | 135,000 | SEC↗ |
| Climaco John M | Director | A Award deriv | 2018-06-06 | 2018-06-08 | 35,000 | — | $0 | 55,000 | SEC↗ |
| CANNON MICHAEL D | Director | A Award deriv | 2018-06-06 | 2018-06-08 | 35,000 | — | $0 | 70,000 | SEC↗ |
| KLEMP WALTER V | CEO | A Award deriv | 2017-10-03 | 2017-10-05 | 340,000 | — | $0 | 340,000 | SEC↗ |
| Foster Jonathan P. | Chief Financial Officer | A Award deriv | 2017-10-03 | 2017-10-05 | 145,000 | — | $0 | 545,000 | SEC↗ |
| PICKER DONALD H | Chief Science Officer | A Award deriv | 2017-10-03 | 2017-10-05 | 60,000 | — | $0 | 60,000 | SEC↗ |
| Priebe Waldemar | 10% Owner | S Sale | 2017-08-16 | 2017-08-18 | 100,000 | $1.70 | $170.0K | 2,781,573 | SEC↗ |
| KLEMP WALTER V | Chief Executive Officer | S Sale | 2017-08-16 | 2017-08-18 | 100,000 | $1.70 | $170.0K | 967,724 | SEC↗ |
| Climaco John M | Director | A Award deriv | 2017-07-24 | 2017-07-26 | 20,000 | — | $0 | 20,000 | SEC↗ |
| George Robert E. | Director | A Award deriv | 2017-07-24 | 2017-07-26 | 15,000 | — | $0 | 35,000 | SEC↗ |
| CANNON MICHAEL D | Director | A Award deriv | 2017-07-24 | 2017-07-26 | 15,000 | — | $0 | 35,000 | SEC↗ |
| KLEMP WALTER V | Chief Executive Officer | P Buy | 2017-05-11 | 2017-05-12 | 12,000 | $0.81 | $9.7K | 1,067,724 | SEC↗ |
| Northcut Jacqueline | Director | P Buy | 2017-05-05 | 2017-05-05 | 1,000 | $0.82 | $820 | 1,000 | SEC↗ |
| George Robert E. | Director | P Buy | 2017-04-28 | 2017-04-28 | 1,000 | $0.94 | $940 | 1,000 | SEC↗ |
| Foster Jonathan P. | Exec. Vice President & CFO | P Buy | 2017-04-25 | 2017-04-26 | 10,000 | $0.86 | $8.6K | 10,000 | SEC↗ |
| George Robert E. | Director | A Award deriv | 2016-09-23 | 2016-09-27 | 20,000 | — | $0 | 20,000 | SEC↗ |
| Northcut Jacqueline | Director | A Award deriv | 2016-09-23 | 2016-09-27 | 20,000 | — | $0 | 20,000 | SEC↗ |
| CANNON MICHAEL D | Director | A Award deriv | 2016-09-23 | 2016-09-27 | 20,000 | — | $0 | 20,000 | SEC↗ |
| Foster Jonathan P. | Exec. Vice President & CFO | A Award deriv | 2016-08-19 | 2016-08-23 | 400,000 | — | $0 | 400,000 | SEC↗ |